src/video/x11/SDL_x11render.c
author Sunny Sachanandani <sunnysachanandani@gmail.com>
Mon, 19 Jul 2010 18:57:02 +0530
changeset 4603 dffa432f0e2b
parent 4602 4fbf64d504cf
child 4604 d7535d7a40ea
permissions -rw-r--r--
Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2010 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_RENDER_X11
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#include <limits.h> /* For INT_MIN and INT_MAX */
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#include "SDL_x11video.h"
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#include "../SDL_rect_c.h"
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#include "../SDL_pixels_c.h"
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#include "../SDL_yuv_sw_c.h"
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#include <X11/extensions/Xdamage.h>
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#include <X11/extensions/Xfixes.h>
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#define SDL_VIDEO_DRIVER_X11_XDAMAGE
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/* X11 renderer implementation */
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static SDL_Renderer *X11_CreateRenderer(SDL_Window * window, Uint32 flags);
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static int X11_DisplayModeChanged(SDL_Renderer * renderer);
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static int X11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int X11_QueryTexturePixels(SDL_Renderer * renderer,
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                                  SDL_Texture * texture, void **pixels,
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                                  int *pitch);
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static int X11_SetTextureBlendMode(SDL_Renderer * renderer,
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                                   SDL_Texture * texture);
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static int X11_SetTextureScaleMode(SDL_Renderer * renderer,
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                                   SDL_Texture * texture);
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static int X11_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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                             const SDL_Rect * rect, const void *pixels,
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                             int pitch);
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static int X11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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                           const SDL_Rect * rect, int markDirty,
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                           void **pixels, int *pitch);
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static void X11_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int X11_SetDrawBlendMode(SDL_Renderer * renderer);
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static int X11_RenderDrawPoints(SDL_Renderer * renderer,
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                                const SDL_Point * points, int count);
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static int X11_RenderDrawLines(SDL_Renderer * renderer,
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                               const SDL_Point * points, int count);
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static int X11_RenderDrawRects(SDL_Renderer * renderer,
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                               const SDL_Rect ** rects, int count);
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static int X11_RenderFillRects(SDL_Renderer * renderer,
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                               const SDL_Rect ** rects, int count);
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static int X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
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                          const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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static int X11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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                                Uint32 format, void * pixels, int pitch);
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static int X11_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
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                                 Uint32 format, const void * pixels, int pitch);
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static void X11_RenderPresent(SDL_Renderer * renderer);
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static void X11_DestroyTexture(SDL_Renderer * renderer,
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                               SDL_Texture * texture);
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static void X11_DestroyRenderer(SDL_Renderer * renderer);
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SDL_RenderDriver X11_RenderDriver = {
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    X11_CreateRenderer,
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    {
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     "x11",
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     (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
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      SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
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      SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_ACCELERATED),
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     SDL_TEXTUREMODULATE_NONE,
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     SDL_BLENDMODE_NONE,
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     SDL_TEXTURESCALEMODE_NONE,
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     0,
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     {0},
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     0,
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     0}
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};
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typedef struct
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{
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    Display *display;
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    int screen;
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    Visual *visual;
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    int depth;
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    int scanline_pad;
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    Window xwindow;
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    Pixmap pixmaps[3];
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#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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    Pixmap stencil;
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    Pixmap brush;
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    Picture brush_pict;
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    Picture xwindow_pict;
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    Picture pixmap_picts[3];
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    Picture drawable_pict;
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    Picture stencil_pict;
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    int blend_op;
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    XRenderPictFormat *xwindow_pict_fmt;
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    XRenderPictFormat *drawable_pict_fmt;
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    GC stencil_gc;
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    SDL_bool use_xrender;
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#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
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    SDL_bool use_xdamage;
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    Damage stencil_damage;
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    XserverRegion stencil_parts;
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#endif
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#endif
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    int current_pixmap;
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    Drawable drawable;
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    SDL_PixelFormat format;
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    GC gc;
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    SDL_DirtyRectList dirty;
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    SDL_bool makedirty;
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} X11_RenderData;
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typedef struct
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{
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    SDL_SW_YUVTexture *yuv;
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    Uint32 format;
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    Pixmap pixmap;
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    int depth;
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    Visual *visual;
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    GC gc;
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#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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    Picture picture;
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    XRenderPictFormat* picture_fmt;
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    int blend_op;
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#endif
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    XImage *image;
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#ifndef NO_SHARED_MEMORY
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    /* MIT shared memory extension information */
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    XShmSegmentInfo shminfo;
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#endif
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    XImage *scaling_image;
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    void *pixels;
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    int pitch;
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} X11_TextureData;
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#ifndef NO_SHARED_MEMORY
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/* Shared memory error handler routine */
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static int shm_error;
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static int (*X_handler) (Display *, XErrorEvent *) = NULL;
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static int
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shm_errhandler(Display * d, XErrorEvent * e)
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{
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    if (e->error_code == BadAccess) {
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        shm_error = True;
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        return (0);
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    } else {
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        return (X_handler(d, e));
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    }
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}
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#endif /* ! NO_SHARED_MEMORY */
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static void
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UpdateYUVTextureData(SDL_Texture * texture)
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{
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    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
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    SDL_Rect rect;
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    rect.x = 0;
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    rect.y = 0;
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    rect.w = texture->w;
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    rect.h = texture->h;
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    SDL_SW_CopyYUVToRGB(data->yuv, &rect, data->format, texture->w,
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                        texture->h, data->pixels, data->pitch);
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}
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void
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X11_AddRenderDriver(_THIS)
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{
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    SDL_RendererInfo *info = &X11_RenderDriver.info;
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    SDL_DisplayMode *mode = &SDL_CurrentDisplay->desktop_mode;
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    int i;
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    info->texture_formats[info->num_texture_formats++] = mode->format;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YV12;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YUY2;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YVYU;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_ARGB8888;
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    for (i = 0; i < _this->num_displays; ++i) {
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        SDL_AddRenderDriver(&_this->displays[i], &X11_RenderDriver);
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    }
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}
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SDL_Renderer *
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X11_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
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    SDL_VideoDisplay *display = window->display;
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    SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
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    SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
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    SDL_Renderer *renderer;
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    X11_RenderData *data;
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    XGCValues gcv;
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    gcv.graphics_exposures = False;
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    int i, n;
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    int bpp;
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    Uint32 Rmask, Gmask, Bmask, Amask;
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    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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    if (!renderer) {
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        SDL_OutOfMemory();
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        return NULL;
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   222
    }
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    data = (X11_RenderData *) SDL_calloc(1, sizeof(*data));
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    if (!data) {
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        X11_DestroyRenderer(renderer);
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        SDL_OutOfMemory();
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        return NULL;
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    }
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    data->display = windowdata->videodata->display;
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    data->screen = displaydata->screen;
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   232
    data->visual = displaydata->visual;
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   233
    data->depth = displaydata->depth;
2916
ffdd533f7add Fixed pitch alignment problem causing MITSHM error on 16-bit displays
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
   234
    data->scanline_pad = displaydata->scanline_pad;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   235
    data->xwindow = windowdata->xwindow;
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diff changeset
   236
    
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   237
    renderer->DisplayModeChanged = X11_DisplayModeChanged;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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   238
    renderer->CreateTexture = X11_CreateTexture;
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parents:
diff changeset
   239
    renderer->QueryTexturePixels = X11_QueryTexturePixels;
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parents:
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   240
    renderer->SetTextureBlendMode = X11_SetTextureBlendMode;
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parents:
diff changeset
   241
    renderer->SetTextureScaleMode = X11_SetTextureScaleMode;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   242
    renderer->UpdateTexture = X11_UpdateTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   243
    renderer->LockTexture = X11_LockTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   244
    renderer->UnlockTexture = X11_UnlockTexture;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
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parents: 2882
diff changeset
   245
    renderer->SetDrawBlendMode = X11_SetDrawBlendMode;
3596
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents: 3559
diff changeset
   246
    renderer->RenderDrawPoints = X11_RenderDrawPoints;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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diff changeset
   247
    renderer->RenderDrawLines = X11_RenderDrawLines;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3559
diff changeset
   248
    renderer->RenderDrawRects = X11_RenderDrawRects;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
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parents: 3559
diff changeset
   249
    renderer->RenderFillRects = X11_RenderFillRects;
2810
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parents:
diff changeset
   250
    renderer->RenderCopy = X11_RenderCopy;
3559
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 3543
diff changeset
   251
    renderer->RenderReadPixels = X11_RenderReadPixels;
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 3543
diff changeset
   252
    renderer->RenderWritePixels = X11_RenderWritePixels;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   253
    renderer->RenderPresent = X11_RenderPresent;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   254
    renderer->DestroyTexture = X11_DestroyTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   255
    renderer->DestroyRenderer = X11_DestroyRenderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   256
    renderer->info = X11_RenderDriver.info;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   257
    renderer->window = window;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   258
    renderer->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   259
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
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   260
    renderer->info.flags = SDL_RENDERER_ACCELERATED;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   261
4590
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parents: 4589
diff changeset
   262
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4593
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parents: 4591
diff changeset
   263
    data->use_xrender = SDL_FALSE;
4603
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parents: 4602
diff changeset
   264
    data->use_xdamage = SDL_FALSE;
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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diff changeset
   265
    int event_basep, error_basep;
4593
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parents: 4591
diff changeset
   266
    if (SDL_X11_HAVE_XRENDER) {
4603
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parents: 4602
diff changeset
   267
        /* Query the extension. This is the server runtime check. */
4593
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parents: 4591
diff changeset
   268
        if(XRenderQueryExtension(data->display,
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diff changeset
   269
                                 &event_basep, &error_basep) == True)
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parents: 4591
diff changeset
   270
            data->use_xrender = SDL_TRUE;
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diff changeset
   271
    }
4603
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parents: 4602
diff changeset
   272
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
4593
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parents: 4591
diff changeset
   273
    if (data->use_xrender) {
4603
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   274
        /* Query XDamage and XFixes */
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   275
        if(XDamageQueryExtension(data->display,
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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diff changeset
   276
                                 &event_basep,
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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diff changeset
   277
                                 &error_basep) == True && 
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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diff changeset
   278
           (XFixesQueryExtension(data->display,
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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diff changeset
   279
                                    &event_basep,
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   280
                                    &error_basep) == True)) {
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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diff changeset
   281
                int major_version, minor_version;
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   282
                XFixesQueryVersion(data->display,
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   283
                                   &major_version,
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   284
                                   &minor_version);
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   285
                /* Only XFixes v 2 or greater
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   286
                 * Required for XFixesSetPictureClipRegion() */
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   287
                if(major_version >= 2)
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   288
                    data->use_xdamage = SDL_TRUE;
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   289
        }
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   290
#endif
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   291
        /* Find the PictFormat from the visual.
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   292
         * Should be an RGB PictFormat most of the time. */
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   293
        data->xwindow_pict_fmt = XRenderFindVisualFormat(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   294
                                                         data->visual);
4593
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parents: 4591
diff changeset
   295
        if (!data->xwindow_pict_fmt) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
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parents: 4591
diff changeset
   296
            SDL_SetError("XRenderFindVisualFormat() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
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parents: 4591
diff changeset
   297
            return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
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parents: 4591
diff changeset
   298
        }
4591
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parents: 4590
diff changeset
   299
        data->xwindow_pict = XRenderCreatePicture(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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diff changeset
   300
                                                  data->xwindow,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   301
                                                  data->xwindow_pict_fmt,
4590
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
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parents: 4589
diff changeset
   302
                                                  0, NULL);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
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parents: 4591
diff changeset
   303
        if (!data->xwindow_pict) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
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parents: 4591
diff changeset
   304
            SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
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parents: 4591
diff changeset
   305
            return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
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parents: 4591
diff changeset
   306
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
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parents: 4591
diff changeset
   307
        // FIXME: Clear the window. Is this required?
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   308
        XRenderComposite(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   309
                         PictOpClear,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   310
                         data->xwindow_pict,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   311
                         None,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   312
                         data->xwindow_pict,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   313
                         0, 0,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   314
                         0, 0,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   315
                         0, 0,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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parents: 4590
diff changeset
   316
                         window->w, window->h);
4603
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   317
        /* Add some blending modes to the list of supported blending modes */
4590
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
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parents: 4589
diff changeset
   318
        renderer->info.blend_modes |=
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
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parents: 4589
diff changeset
   319
            (SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MASK);
4603
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   320
        /* Create a clip mask that is used for rendering primitives. */
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
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parents: 4596
diff changeset
   321
        data->stencil = XCreatePixmap(data->display, data->xwindow,
95be206b3cb7 Start experimental branch for client-side rasterization.
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diff changeset
   322
                                   window->w, window->h, 8);
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diff changeset
   323
        
4603
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
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parents: 4602
diff changeset
   324
        /* Create the GC for the clip mask. */
4597
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parents: 4596
diff changeset
   325
        data->stencil_gc = XCreateGC(data->display, data->stencil,
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   326
                                  GCGraphicsExposures, &gcv);
4597
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parents: 4596
diff changeset
   327
        XSetBackground(data->display, data->stencil_gc, 0x00);
4602
4fbf64d504cf Use XDamage to optimise drawing operations.
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parents: 4600
diff changeset
   328
        XSetForeground(data->display, data->stencil_gc, 0x00);
4fbf64d504cf Use XDamage to optimise drawing operations.
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parents: 4600
diff changeset
   329
        XFillRectangle(data->display, data->stencil, data->stencil_gc,
4fbf64d504cf Use XDamage to optimise drawing operations.
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parents: 4600
diff changeset
   330
                       0, 0, window->w, window->h);
4597
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parents: 4596
diff changeset
   331
        XSetForeground(data->display, data->stencil_gc, 0xFF);
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diff changeset
   332
        data->stencil_pict =
95be206b3cb7 Start experimental branch for client-side rasterization.
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diff changeset
   333
            XRenderCreatePicture(data->display, data->stencil,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   334
                                 XRenderFindStandardFormat(data->display,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   335
                                                           PictStandardA8),
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   336
                                 0, NULL);
4603
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   337
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   338
        if (data->use_xdamage) {
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   339
            data->stencil_damage =
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   340
                XDamageCreate(data->display, data->stencil, XDamageReportNonEmpty);
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   341
            XDamageSubtract(data->display, data->stencil_damage, None, data->stencil_parts);
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   342
        }
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   343
#endif
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   344
        data->brush =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   345
            XCreatePixmap(data->display, data->xwindow, 1, 1, 32);
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   346
        XRenderPictureAttributes brush_attr;
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   347
        brush_attr.repeat = RepeatNormal;
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   348
        data->brush_pict =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   349
            XRenderCreatePicture(data->display, data->brush,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   350
                                 XRenderFindStandardFormat(data->display,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   351
                                                           PictStandardARGB32),
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   352
                                 CPRepeat, &brush_attr);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   353
        // Set the default blending mode.
4590
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   354
        renderer->blendMode = SDL_BLENDMODE_BLEND;
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   355
        data->blend_op = PictOpOver;
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   356
    }
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   357
#endif
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   358
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   359
    if (flags & SDL_RENDERER_SINGLEBUFFER) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   360
        renderer->info.flags |=
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
            (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   362
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
    } else if (flags & SDL_RENDERER_PRESENTFLIP2) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   364
        renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   365
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   366
    } else if (flags & SDL_RENDERER_PRESENTFLIP3) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   367
        renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   368
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   369
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   370
        renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   371
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   372
    }
4603
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   373
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   374
    if (data->use_xrender) {
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   375
        if (n > 0)
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   376
            data->drawable_pict_fmt =
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   377
                XRenderFindStandardFormat(data->display, PictStandardARGB32);
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   378
        else
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   379
            data->drawable_pict_fmt = data->xwindow_pict_fmt;
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   380
    }
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   381
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   382
    for (i = 0; i < n; ++i) {
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   383
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   384
        if (data->use_xrender) {
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   385
            data->pixmaps[i] = XCreatePixmap(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   386
                                             data->xwindow,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   387
                                             window->w,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   388
                                             window->h,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   389
                                             32);
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   390
        }
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   391
        else
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   392
#endif
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   393
        {
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   394
            data->pixmaps[i] =
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   395
                XCreatePixmap(data->display, data->xwindow, window->w, window->h,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   396
                              displaydata->depth);
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   397
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
        if (data->pixmaps[i] == None) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
            X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
            return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
        }
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   403
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   404
        if (data->use_xrender) {
4603
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   405
            /* Create xrender pictures for each of the pixmaps
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   406
             * and clear the pixmaps. */
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   407
            data->pixmap_picts[i] = 
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   408
                XRenderCreatePicture(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   409
                                     data->pixmaps[i],
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   410
                                     XRenderFindStandardFormat(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   411
                                                               PictStandardARGB32),
4583
5c925d4f220f X11_DrawRects now uses a very hacky way of drawing rectangles with XRender. This will be improved in some time.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4582
diff changeset
   412
                                     0, None);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   413
            if (!data->pixmap_picts[i]) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   414
                SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   415
                return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   416
            }
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   417
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   418
            XRenderComposite(data->display,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   419
                             PictOpClear,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   420
                             data->pixmap_picts[i],
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   421
                             None,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   422
                             data->pixmap_picts[i],
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   423
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   424
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   425
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   426
                             window->w, window->h);
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   427
        }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   428
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
        data->drawable = data->pixmaps[0];
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   432
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4584
9907c8cc6015 X11_RenderFillRects and X11_RenderDrawRects use a server side mask pixmap of 1 bit depth now. All drawing on these pixmaps is done by server side functions such as XDrawRectangles and XFillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4583
diff changeset
   433
        if(data->use_xrender == SDL_TRUE)
4576
2b98162b536a Add Xrender support to X11_FillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4575
diff changeset
   434
            data->drawable_pict = data->pixmap_picts[0];
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   435
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
        data->makedirty = SDL_TRUE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
    } else {
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   438
        data->drawable = data->xwindow;
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   439
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4584
9907c8cc6015 X11_RenderFillRects and X11_RenderDrawRects use a server side mask pixmap of 1 bit depth now. All drawing on these pixmaps is done by server side functions such as XDrawRectangles and XFillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4583
diff changeset
   440
        if(data->use_xrender == SDL_TRUE)
4576
2b98162b536a Add Xrender support to X11_FillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4575
diff changeset
   441
            data->drawable_pict = data->xwindow_pict;
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   442
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
        data->makedirty = SDL_FALSE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
4603
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   447
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   448
    if (data->use_xrender) {
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   449
        bpp = data->drawable_pict_fmt->depth;
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   450
        Rmask = ((data->drawable_pict_fmt->direct.redMask)
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   451
                    << (data->drawable_pict_fmt->direct.red));
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   452
        Gmask = ((data->drawable_pict_fmt->direct.greenMask)
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   453
                    << (data->drawable_pict_fmt->direct.green));
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   454
        Bmask = ((data->drawable_pict_fmt->direct.blueMask)
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   455
                    << (data->drawable_pict_fmt->direct.blue));
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   456
        Amask = ((data->drawable_pict_fmt->direct.alphaMask)
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   457
                    << (data->drawable_pict_fmt->direct.alpha));
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   458
    }
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   459
    else
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   460
#endif
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   461
    {
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   462
        /* Get the format of the window */
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   463
        if (!SDL_PixelFormatEnumToMasks
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   464
            (display->current_mode.format, &bpp, &Rmask, &Gmask, &Bmask,
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   465
             &Amask)) {
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   466
            SDL_SetError("Unknown display format");
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   467
            X11_DestroyRenderer(renderer);
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   468
            return NULL;
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   469
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
    }
2967
e4a469d6ddab Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
   471
    SDL_InitFormat(&data->format, bpp, Rmask, Gmask, Bmask, Amask);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   472
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
    /* Create the drawing context */
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
    gcv.graphics_exposures = False;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   475
    data->gc =
4598
66e13a224bd6 Major changes to drawing. Reverted back to core X11 functions due to regressions.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4597
diff changeset
   476
        XCreateGC(data->display, data->drawable, GCGraphicsExposures, &gcv);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
    if (!data->gc) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
        X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
        SDL_SetError("XCreateGC() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   483
    return renderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   485
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
X11_DisplayModeChanged(SDL_Renderer * renderer)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   490
    SDL_Window *window = renderer->window;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
    int i, n;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   493
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   494
    if (data->use_xrender) {
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   495
        XRenderFreePicture(data->display, data->xwindow_pict);
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   496
        data->xwindow_pict_fmt =
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   497
            XRenderFindVisualFormat(data->display, data->visual);
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   498
        data->xwindow_pict =
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   499
            XRenderCreatePicture(data->display, data->xwindow,
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   500
                                 data->xwindow_pict_fmt, 0, NULL);
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   501
    }
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   502
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
    if (renderer->info.flags & SDL_RENDERER_SINGLEBUFFER) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
    } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP2) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
    } else if (renderer->info.flags & SDL_RENDERER_PRESENTFLIP3) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   511
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
    for (i = 0; i < n; ++i) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
        if (data->pixmaps[i] != None) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
            XFreePixmap(data->display, data->pixmaps[i]);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   515
            data->pixmaps[i] = None;
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   516
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   517
            XRenderFreePicture(data->display, data->pixmap_picts[i]);
4577
87a2d87786d4 Modified configure.in to allow building with Xrender. Fixed all problems that prevented compilation.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4576
diff changeset
   518
            data->pixmap_picts[i] = None;
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   519
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   521
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   522
    for (i = 0; i < n; ++i) {
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   523
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   524
        if (data->use_xrender) {
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   525
            data->pixmaps[i] =
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   526
                XCreatePixmap(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   527
                              data->xwindow,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   528
                              window->w,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   529
                              window->h,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   530
                              32);
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   531
        }
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   532
        else
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   533
#endif
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   534
        {
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   535
            data->pixmaps[i] =
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   536
                XCreatePixmap(data->display, data->xwindow, window->w, window->h,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   537
                              data->depth);
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   538
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   539
        if (data->pixmaps[i] == None) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   543
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   544
        if (data->use_xrender) {
4577
87a2d87786d4 Modified configure.in to allow building with Xrender. Fixed all problems that prevented compilation.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4576
diff changeset
   545
            data->pixmap_picts[i] = 
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   546
                XRenderCreatePicture(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   547
                                     data->pixmaps[i],
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   548
                                     XRenderFindStandardFormat(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   549
                                                               PictStandardARGB32),
4583
5c925d4f220f X11_DrawRects now uses a very hacky way of drawing rectangles with XRender. This will be improved in some time.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4582
diff changeset
   550
                                     0, None);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   551
            if (!data->pixmap_picts[i]) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   552
                SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   553
                return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   554
            }
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   555
            XRenderComposite(data->display,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   556
                             PictOpClear,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   557
                             data->pixmap_picts[i],
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   558
                             None,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   559
                             data->pixmap_picts[i],
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   560
                             0, 0,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   561
                             0, 0,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   562
                             0, 0,
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   563
                             window->w, window->h);
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   564
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   565
       }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   566
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
        data->drawable = data->pixmaps[0];
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   570
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4577
87a2d87786d4 Modified configure.in to allow building with Xrender. Fixed all problems that prevented compilation.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4576
diff changeset
   571
        data->drawable_pict = data->pixmap_picts[0];
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   572
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   579
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   580
static void
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   581
SDLMaskToXRenderMask(Uint32 sdl_mask, short *comp, short *compMask) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   582
    (*comp) = 0;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   583
    (*compMask) = 0;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   584
    while(!(sdl_mask & 1)) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   585
        (*comp)++;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   586
        sdl_mask >>= 1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   587
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   588
    while(sdl_mask & 1) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   589
        (*compMask) = ((*compMask) << 1) | 1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   590
        sdl_mask >>= 1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   591
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   592
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   594
static XRenderPictFormat*
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   595
PixelFormatEnumToXRenderPictFormat(SDL_Renderer * renderer, Uint32 format) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   596
    XRenderPictFormat* pict_fmt = NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   597
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   598
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   599
    if (data->use_xrender) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   600
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   601
        int bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   602
        Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   603
        SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   604
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   605
        XRenderPictFormat templ;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   606
        unsigned long mask = (PictFormatType | PictFormatDepth | PictFormatRed |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   607
                              PictFormatRedMask | PictFormatGreen | PictFormatGreenMask |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   608
                              PictFormatBlue | PictFormatBlueMask | PictFormatAlpha |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   609
                              PictFormatAlphaMask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   610
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   611
        templ.type = PictTypeDirect;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   612
        templ.depth = bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   613
        SDLMaskToXRenderMask(Amask, &(templ.direct.alpha), &(templ.direct.alphaMask));
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   614
        SDLMaskToXRenderMask(Rmask, &(templ.direct.red), &(templ.direct.redMask));
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   615
        SDLMaskToXRenderMask(Gmask, &(templ.direct.green), &(templ.direct.greenMask));
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   616
        SDLMaskToXRenderMask(Bmask, &(templ.direct.blue), &(templ.direct.blueMask));
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   617
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   618
        pict_fmt = XRenderFindFormat(data->display, mask, &templ, 0);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   619
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   620
    
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   621
    return pict_fmt;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   622
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   623
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   624
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   625
static Visual*
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   626
PixelFormatEnumToVisual(SDL_Renderer * renderer, Uint32 format) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   627
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   628
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   629
    if (data->use_xrender) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   630
        int bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   631
        Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   632
        SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   633
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   634
        XVisualInfo vinfo_templ;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   635
        long vinfo_mask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   636
        int nitems_return;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   637
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   638
        vinfo_mask = (VisualDepthMask | VisualRedMaskMask |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   639
                      VisualGreenMaskMask | VisualBlueMaskMask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   640
        vinfo_templ.depth = bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   641
        vinfo_templ.red_mask = Rmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   642
        vinfo_templ.green_mask = Gmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   643
        vinfo_templ.blue_mask = Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   644
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   645
        XVisualInfo * ret = XGetVisualInfo(data->display, vinfo_mask,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   646
                                           &vinfo_templ, &nitems_return);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   647
        
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   648
        if (nitems_return) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   649
            return ret[0].visual;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   650
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   651
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   652
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   653
    return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   654
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   655
#endif
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   656
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   657
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   658
X11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
    X11_RenderData *renderdata = (X11_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   661
    SDL_Window *window = renderer->window;
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   662
    SDL_VideoDisplay *display = window->display;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   663
    X11_TextureData *data;
2916
ffdd533f7add Fixed pitch alignment problem causing MITSHM error on 16-bit displays
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
   664
    int pitch_alignmask = ((renderdata->scanline_pad / 8) - 1);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   665
    XGCValues gcv;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   666
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
    data = (X11_TextureData *) SDL_calloc(1, sizeof(*data));
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
    if (!data) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
    }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   672
    data->depth = renderdata->depth;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   673
    data->visual = renderdata->visual;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   674
    data->gc = renderdata->gc;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   675
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   676
    texture->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   677
    if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   678
        data->yuv =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   679
            SDL_SW_CreateYUVTexture(texture->format, texture->w, texture->h);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   680
        if (!data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   681
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   682
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   683
        data->format = display->current_mode.format;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   684
    } else {
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   685
        /* If Xrender support is builtin we only need to check whether
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   686
           Xrender is available at runtime. If it is available there
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   687
           can be no BadMatch error since Xrender takes care of that.
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   688
        */
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   689
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4586
e479c1e57c52 SDL_Textures should work with XRender now provided that the texture format and screen format match. This is only a temporary limitation.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4585
diff changeset
   690
        if (renderdata->use_xrender == SDL_FALSE) {
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   691
            if (texture->format != display->current_mode.format) {
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   692
                SDL_SetError("Texture format doesn't match window format");
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   693
                return -1;
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   694
            }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   695
        } else {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   696
            Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   697
            SDL_PixelFormatEnumToMasks(texture->format, &(data->depth),
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   698
                                       &Rmask, &Gmask, &Bmask, &Amask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   699
            data->visual = PixelFormatEnumToVisual(renderer, texture->format);
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   700
        }
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   701
#else
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   702
        /* The image/pixmap depth must be the same as the window or you
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   703
           get a BadMatch error when trying to putimage or copyarea.
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   704
           This BadMatch error
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   705
        */
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   706
        if (texture->format != display->current_mode.format) {
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   707
            SDL_SetError("Texture format doesn't match window format");
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   708
            return -1;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   709
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   710
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   711
        data->format = texture->format;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   712
    }
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   713
    data->pitch = texture->w * SDL_BYTESPERPIXEL(data->format);
2916
ffdd533f7add Fixed pitch alignment problem causing MITSHM error on 16-bit displays
Sam Lantinga <slouken@libsdl.org>
parents: 2901
diff changeset
   714
    data->pitch = (data->pitch + pitch_alignmask) & ~pitch_alignmask;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   715
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   716
    if (data->yuv || texture->access == SDL_TEXTUREACCESS_STREAMING) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   717
#ifndef NO_SHARED_MEMORY
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   718
        XShmSegmentInfo *shminfo = &data->shminfo;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   719
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   720
        shm_error = True;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   721
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   722
        if (SDL_X11_HAVE_SHM) {
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   723
            shminfo->shmid =
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   724
                shmget(IPC_PRIVATE, texture->h * data->pitch,
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   725
                       IPC_CREAT | 0777);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   726
            if (shminfo->shmid >= 0) {
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   727
                shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   728
                shminfo->readOnly = False;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   729
                if (shminfo->shmaddr != (char *) -1) {
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   730
                    shm_error = False;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   731
                    X_handler = XSetErrorHandler(shm_errhandler);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   732
                    XShmAttach(renderdata->display, shminfo);
3239
ab5aebd50add Fix suggested by Bob
Sam Lantinga <slouken@libsdl.org>
parents: 3066
diff changeset
   733
                    XSync(renderdata->display, False);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   734
                    XSetErrorHandler(X_handler);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   735
                    if (shm_error) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   736
                        shmdt(shminfo->shmaddr);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   737
                    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   738
                }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   739
                shmctl(shminfo->shmid, IPC_RMID, NULL);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   740
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   741
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   742
        if (!shm_error) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   743
            data->pixels = shminfo->shmaddr;
4587
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   744
            data->pixmap =
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   745
                XCreatePixmap(renderdata->display, renderdata->xwindow, texture->w,
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   746
                              texture->h, data->depth);
4587
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   747
            if (data->pixmap == None) {
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   748
                X11_DestroyTexture(renderer, texture);
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   749
                SDL_SetError("XCreatePixmap() failed");
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   750
                return -1;
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   751
            }
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   752
            data->image =
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   753
                XShmCreateImage(renderdata->display, data->visual,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   754
                                data->depth, ZPixmap, shminfo->shmaddr,
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   755
                                shminfo, texture->w, texture->h);
4580
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   756
4586
e479c1e57c52 SDL_Textures should work with XRender now provided that the texture format and screen format match. This is only a temporary limitation.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4585
diff changeset
   757
            if (!data->image) {
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   758
                XShmDetach(renderdata->display, shminfo);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   759
                XSync(renderdata->display, False);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   760
                shmdt(shminfo->shmaddr);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   761
                shm_error = True;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   762
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   763
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   764
        if (shm_error) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   765
            shminfo->shmaddr = NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   766
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   767
        if (!data->image)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   768
#endif /* not NO_SHARED_MEMORY */
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   769
        {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   770
            data->pixels = SDL_malloc(texture->h * data->pitch);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   771
            if (!data->pixels) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   772
                X11_DestroyTexture(renderer, texture);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   773
                SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   774
                return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   775
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   776
4587
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   777
            data->pixmap =
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   778
                XCreatePixmap(renderdata->display, renderdata->xwindow, texture->w,
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   779
                              texture->h, data->depth);
4587
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   780
            if (data->pixmap == None) {
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   781
                X11_DestroyTexture(renderer, texture);
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   782
                SDL_SetError("XCreatePixmap() failed");
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   783
                return -1;
25391ccf16a0 Texture rendering mostly works now. Even SDL_TEXTUREACCESS_STREAMING is supported now with a little overhead. Scaling of textures happens using XRender. :D
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4586
diff changeset
   784
            }
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   785
            data->image =
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   786
                XCreateImage(renderdata->display, data->visual,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   787
                             data->depth, ZPixmap, 0, data->pixels,
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   788
                             texture->w, texture->h,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   789
                             SDL_BYTESPERPIXEL(data->format) * 8,
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   790
                             data->pitch);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   791
            if (!data->image) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   792
                X11_DestroyTexture(renderer, texture);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   793
                SDL_SetError("XCreateImage() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   794
                return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   795
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   796
        }
4580
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   797
    } 
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   798
    else {
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   799
        data->pixmap =
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3596
diff changeset
   800
            XCreatePixmap(renderdata->display, renderdata->xwindow, texture->w,
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   801
                          texture->h, data->depth);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   802
        if (data->pixmap == None) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   803
            X11_DestroyTexture(renderer, texture);
3044
b36579172f27 Changes to hopefully handle the creation of a colormap for 8 bit PseudoColor visuals in X11
Bob Pendleton <bob@pendleton.com>
parents: 2967
diff changeset
   804
            SDL_SetError("XCreatePixmap() failed");
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   805
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   806
        }
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   807
        data->image =
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   808
            XCreateImage(renderdata->display, data->visual,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   809
                         data->depth, ZPixmap, 0, NULL,
4580
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   810
                         texture->w, texture->h,
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   811
                         SDL_BYTESPERPIXEL(data->format) * 8,
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   812
                         data->pitch);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   813
        if (!data->image) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   814
            X11_DestroyTexture(renderer, texture);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   815
            SDL_SetError("XCreateImage() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   816
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   817
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   818
    }
4580
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   819
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   820
    if(renderdata->use_xrender) {
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   821
        gcv.graphics_exposures = False;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   822
        data->gc =
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   823
            XCreateGC(renderdata->display, data->pixmap, GCGraphicsExposures, &gcv);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   824
        if (!data->gc) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   825
            SDL_SetError("XCreateGC() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   826
            return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   827
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   828
        data->picture_fmt =
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   829
            PixelFormatEnumToXRenderPictFormat(renderer, texture->format);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   830
        if (data->picture_fmt == NULL) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   831
            X11_DestroyTexture(renderer, texture);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   832
            SDL_SetError("Texture format not supported by driver");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   833
            return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   834
        }
4580
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   835
        data->picture =
4586
e479c1e57c52 SDL_Textures should work with XRender now provided that the texture format and screen format match. This is only a temporary limitation.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4585
diff changeset
   836
            XRenderCreatePicture(renderdata->display, data->pixmap,
e479c1e57c52 SDL_Textures should work with XRender now provided that the texture format and screen format match. This is only a temporary limitation.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4585
diff changeset
   837
                                 data->picture_fmt, 0, NULL);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   838
        if (!data->picture) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   839
            X11_DestroyTexture(renderer, texture);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   840
            SDL_SetError("XRenderCreatePicture() failed");
4580
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   841
            return -1;
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   842
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   843
    }
4580
cfea5b007bc7 Fix the rendering color channels to be premultiplied with the alpha channel as thats what Xrender expects. Small fixes in X11_CreateTexture. Add some new functions in SDL_x11sym.h as well as support for Xrender.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4579
diff changeset
   844
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   845
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   846
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   847
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   848
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   849
X11_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   850
                       void **pixels, int *pitch)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   851
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   852
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   853
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   854
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   855
        return SDL_SW_QueryYUVTexturePixels(data->yuv, pixels, pitch);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   856
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   857
        *pixels = data->pixels;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   858
        *pitch = data->pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   859
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   860
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   861
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   862
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   863
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   864
X11_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   865
{
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   866
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   867
    switch (texture->blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   868
    case SDL_BLENDMODE_NONE:
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   869
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   870
        data->blend_op = PictOpSrc;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   871
        return 0;
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   872
    case SDL_BLENDMODE_BLEND:
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   873
        data->blend_op = PictOpOver;
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   874
        return 0;
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   875
    case SDL_BLENDMODE_ADD:
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   876
        data->blend_op = PictOpAdd;
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   877
        return 0;
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   878
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   879
    default:
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   880
        SDL_Unsupported();
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   881
        texture->blendMode = SDL_BLENDMODE_NONE;
4591
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   882
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   883
        texture->blendMode = SDL_BLENDMODE_BLEND;
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   884
        data->blend_op = PictOpOver;
1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   885
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   886
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   887
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   888
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   889
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   890
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   891
X11_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   892
{
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   893
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   894
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   895
    switch (texture->scaleMode) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   896
    case SDL_TEXTURESCALEMODE_NONE:
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   897
        return 0;
2828
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   898
    case SDL_TEXTURESCALEMODE_FAST:
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   899
        /* We can sort of fake it for streaming textures */
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   900
        if (data->yuv || texture->access == SDL_TEXTUREACCESS_STREAMING) {
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   901
            return 0;
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   902
        }
7e5ff6cd05bf Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2827
diff changeset
   903
        /* Fall through to unsupported case */
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   904
    default:
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   905
        SDL_Unsupported();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   906
        texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   907
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   908
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   909
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   910
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   911
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   912
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   913
X11_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   914
                  const SDL_Rect * rect, const void *pixels, int pitch)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   915
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   916
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   917
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   918
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   919
        if (SDL_SW_UpdateYUVTexture(data->yuv, rect, pixels, pitch) < 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   920
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   921
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   922
        UpdateYUVTextureData(texture);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   923
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   924
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   925
        X11_RenderData *renderdata = (X11_RenderData *) renderer->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   926
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   927
        if (data->pixels) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   928
            Uint8 *src, *dst;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   929
            int row;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   930
            size_t length;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   931
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   932
            src = (Uint8 *) pixels;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   933
            dst =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   934
                (Uint8 *) data->pixels + rect->y * data->pitch +
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   935
                rect->x * SDL_BYTESPERPIXEL(texture->format);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   936
            length = rect->w * SDL_BYTESPERPIXEL(texture->format);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   937
            for (row = 0; row < rect->h; ++row) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   938
                SDL_memcpy(dst, src, length);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   939
                src += pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   940
                dst += data->pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   941
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   942
        } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   943
            data->image->width = rect->w;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   944
            data->image->height = rect->h;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   945
            data->image->data = (char *) pixels;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   946
            data->image->bytes_per_line = pitch;
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   947
            XPutImage(renderdata->display, data->pixmap, data->gc,
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   948
                      data->image, 0, 0, rect->x, rect->y, rect->w, rect->h);
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   949
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   950
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   951
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   952
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   953
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   954
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   955
X11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   956
                const SDL_Rect * rect, int markDirty, void **pixels,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   957
                int *pitch)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   958
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   959
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   960
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   961
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   962
        return SDL_SW_LockYUVTexture(data->yuv, rect, markDirty, pixels,
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   963
                                     pitch);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   964
    } else if (data->pixels) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   965
        *pixels =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   966
            (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   967
                      rect->x * SDL_BYTESPERPIXEL(texture->format));
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   968
        *pitch = data->pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   969
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   970
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   971
        SDL_SetError("No pixels available");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   972
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   973
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   974
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   975
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   976
static void
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   977
X11_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   978
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   979
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   980
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   981
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   982
        SDL_SW_UnlockYUVTexture(data->yuv);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   983
        UpdateYUVTextureData(texture);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   984
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   985
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   986
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   987
static int
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   988
X11_SetDrawBlendMode(SDL_Renderer * renderer)
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   989
{
4588
0ddd78496d68 Preliminary support for blending modes on drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4587
diff changeset
   990
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   991
    switch (renderer->blendMode) {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   992
    case SDL_BLENDMODE_NONE:
4588
0ddd78496d68 Preliminary support for blending modes on drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4587
diff changeset
   993
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4590
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   994
        //PictOpSrc
4588
0ddd78496d68 Preliminary support for blending modes on drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4587
diff changeset
   995
        data->blend_op = PictOpSrc;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   996
        return 0;
4590
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   997
    case SDL_BLENDMODE_BLEND: // PictOpOver
1ad70fb49fcb Fix so many things that there is little place in this column to list them all but the result is that blending modes just work now for drawing primitives.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   998
        data->blend_op = PictOpOver;
4588
0ddd78496d68 Preliminary support for blending modes on drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4587
diff changeset
   999
        return 0;
4581
ef0aa488fff6 Fix X11_FillRects to work with double buffering as well as triple buffering. This requires that the buffer pixmap be cleared after every render.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4580
diff changeset
  1000
    case SDL_BLENDMODE_ADD: // PictOpAdd