src/video/x11/SDL_x11render.c
author Sunny Sachanandani <sunnysachanandani@gmail.com>
Wed, 21 Jul 2010 23:08:09 +0530
changeset 4610 32991e17e2b6
parent 4609 630002c8be85
child 4611 a2ed55b5ff85
permissions -rw-r--r--
Make the SW renderer work properly by fixing support for textures with no alpha channels.
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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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/* 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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    const char* filter;
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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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#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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static SDL_bool
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CheckXRender(Display *display, int *major, int *minor) {
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    const char *env;
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    *major = *minor = 0;
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    env = SDL_getenv("SDL_VIDEO_X11_XRENDER");
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    if (env && !SDL_atoi(env)) {
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        return SDL_FALSE;
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    }
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    if (!SDL_X11_HAVE_XRENDER) {
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        return SDL_FALSE;
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    }
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    if (!XRenderQueryVersion(display, major, minor)) {
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        return SDL_FALSE;
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    }
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    return SDL_TRUE;
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}
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#endif
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#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
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static SDL_bool
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CheckXFixes(Display *display, int *major, int *minor) {
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    const char *env;
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    *major = *minor = 0;
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    env = SDL_getenv("SDL_VIDEO_X11_XFIXES");
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    if (env && !SDL_atoi(env)) {
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        return SDL_FALSE;
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    }
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    if (!SDL_X11_HAVE_XFIXES) {
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        return SDL_FALSE;
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    }
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    if (!XFixesQueryVersion(display, major, minor)) {
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        return SDL_FALSE;
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    }
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    return SDL_TRUE;
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}
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#endif
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#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
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static SDL_bool
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CheckXDamage(Display *display, int *major, int *minor) {
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    const char *env;
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    *major = *minor = 0;
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    env = SDL_getenv("SDL_VIDEO_X11_XDAMAGE");
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    if (env && !SDL_atoi(env)) {
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        return SDL_FALSE;
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    }
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    if (!SDL_X11_HAVE_XDAMAGE) {
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        return SDL_FALSE;
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   245
    }
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   246
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   247
    if (!XDamageQueryVersion(display, major, minor)) {
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   248
        return SDL_FALSE;
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   249
    }
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   250
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   251
    return SDL_TRUE;
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   252
}
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   253
#endif
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void
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   256
X11_AddRenderDriver(_THIS)
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{
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   258
    SDL_RendererInfo *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.
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   259
    SDL_DisplayMode *mode = &SDL_CurrentDisplay->desktop_mode;
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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   261
    int i;
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   262
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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   263
    info->texture_formats[info->num_texture_formats++] = mode->format;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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diff changeset
   264
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YV12;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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   265
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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   266
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YUY2;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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diff changeset
   267
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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diff changeset
   268
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YVYU;
4605
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   269
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   270
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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   271
    int major, minor;
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   272
    if (CheckXRender(data->display, &major, &minor)) {
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   273
        info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_ARGB8888;
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   274
    }
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#endif
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   276
3520
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
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   277
    for (i = 0; i < _this->num_displays; ++i) {
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
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   278
        SDL_AddRenderDriver(&_this->displays[i], &X11_RenderDriver);
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
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   279
    }
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}
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   281
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SDL_Renderer *
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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   283
X11_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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diff changeset
   285
    SDL_VideoDisplay *display = window->display;
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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   286
    SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
2810
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   287
    SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
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   288
    SDL_Renderer *renderer;
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   289
    X11_RenderData *data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   290
    XGCValues gcv;
4596
dc26c37ad70e Got testsprite2 to work reasonably.
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diff changeset
   291
    gcv.graphics_exposures = False;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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   292
    int i, n;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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   293
    int bpp;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   294
    Uint32 Rmask, Gmask, Bmask, Amask;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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   295
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   296
    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   297
    if (!renderer) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   298
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   299
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   300
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   301
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   302
    data = (X11_RenderData *) 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
   303
    if (!data) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   304
        X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   305
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   306
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   307
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   308
    data->display = windowdata->videodata->display;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   309
    data->screen = displaydata->screen;
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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diff changeset
   310
    data->visual = displaydata->visual;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   311
    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
   312
    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
   313
    data->xwindow = windowdata->xwindow;
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
   314
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   315
    renderer->DisplayModeChanged = X11_DisplayModeChanged;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   316
    renderer->CreateTexture = X11_CreateTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   317
    renderer->QueryTexturePixels = X11_QueryTexturePixels;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   318
    renderer->SetTextureBlendMode = X11_SetTextureBlendMode;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   319
    renderer->SetTextureScaleMode = X11_SetTextureScaleMode;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   320
    renderer->UpdateTexture = X11_UpdateTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   321
    renderer->LockTexture = X11_LockTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   322
    renderer->UnlockTexture = X11_UnlockTexture;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   323
    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
   324
    renderer->RenderDrawPoints = X11_RenderDrawPoints;
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
   325
    renderer->RenderDrawLines = X11_RenderDrawLines;
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
   326
    renderer->RenderDrawRects = X11_RenderDrawRects;
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
   327
    renderer->RenderFillRects = X11_RenderFillRects;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   328
    renderer->RenderCopy = X11_RenderCopy;
3559
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 3543
diff changeset
   329
    renderer->RenderReadPixels = X11_RenderReadPixels;
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 3543
diff changeset
   330
    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
   331
    renderer->RenderPresent = X11_RenderPresent;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   332
    renderer->DestroyTexture = X11_DestroyTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   333
    renderer->DestroyRenderer = X11_DestroyRenderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   334
    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
   335
    renderer->window = window;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   336
    renderer->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   337
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   338
    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
   339
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
   340
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4605
0b3a509c53a0 Respect environment variables.
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parents: 4604
diff changeset
   341
    int major, minor;
0b3a509c53a0 Respect environment variables.
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parents: 4604
diff changeset
   342
    data->use_xrender = CheckXRender(data->display, &major, &minor);
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   343
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
0b3a509c53a0 Respect environment variables.
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parents: 4604
diff changeset
   344
    if (CheckXDamage(data->display, &major, &minor)) {
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   345
        if (CheckXFixes(data->display, &major, &minor)) {
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   346
            if (major >= 2)
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
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diff changeset
   347
                data->use_xdamage = SDL_TRUE;
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   348
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   349
    }
4605
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   350
#endif
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   351
    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
   352
        /* Find the PictFormat from the visual.
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
   353
         * 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.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   354
        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.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   355
                                                         data->visual);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   356
        if (!data->xwindow_pict_fmt) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   357
            SDL_SetError("XRenderFindVisualFormat() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   358
            return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   359
        }
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
   360
        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.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   361
                                                  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
   362
                                                  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.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   363
                                                  0, NULL);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   364
        if (!data->xwindow_pict) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   365
            SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   366
            return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   367
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   368
        // 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.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   369
        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
   370
                         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
   371
                         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.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   372
                         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
   373
                         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.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4590
diff changeset
   374
                         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
   375
                         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
   376
                         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
   377
                         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
   378
        /* 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.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4589
diff changeset
   379
        renderer->info.blend_modes |=
4606
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   380
            (SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MASK | SDL_BLENDMODE_MOD);
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
   381
        /* Create a clip mask that is used for rendering primitives. */
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   382
        data->stencil = XCreatePixmap(data->display, data->xwindow,
4607
9e9ec5e3be95 Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4606
diff changeset
   383
                                   window->w, window->h, 32);
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   384
        
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
   385
        /* Create the GC for the clip mask. */
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   386
        data->stencil_gc = XCreateGC(data->display, data->stencil,
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   387
                                  GCGraphicsExposures, &gcv);
4607
9e9ec5e3be95 Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4606
diff changeset
   388
        XSetBackground(data->display, data->stencil_gc, 0);
9e9ec5e3be95 Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4606
diff changeset
   389
        XSetForeground(data->display, data->stencil_gc, 0);
4602
4fbf64d504cf Use XDamage to optimise drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4600
diff changeset
   390
        XFillRectangle(data->display, data->stencil, data->stencil_gc,
4fbf64d504cf Use XDamage to optimise drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4600
diff changeset
   391
                       0, 0, window->w, window->h);
4607
9e9ec5e3be95 Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4606
diff changeset
   392
        XSetForeground(data->display, data->stencil_gc, 0xFFFFFFFF);
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   393
        data->stencil_pict =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   394
            XRenderCreatePicture(data->display, data->stencil,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   395
                                 XRenderFindStandardFormat(data->display,
4607
9e9ec5e3be95 Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4606
diff changeset
   396
                                                           PictStandardARGB32),
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   397
                                 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
   398
#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
   399
        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
   400
            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
   401
                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
   402
            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
   403
        }
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
   404
#endif
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   405
        data->brush =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   406
            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
   407
        XRenderPictureAttributes brush_attr;
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   408
        brush_attr.repeat = RepeatNormal;
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   409
        data->brush_pict =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   410
            XRenderCreatePicture(data->display, data->brush,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   411
                                 XRenderFindStandardFormat(data->display,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   412
                                                           PictStandardARGB32),
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   413
                                 CPRepeat, &brush_attr);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   414
        // 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
   415
        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
   416
        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
   417
    }
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
   418
#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
   419
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
    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
   421
        renderer->info.flags |=
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
            (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
   423
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   424
    } 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
   425
        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
   426
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   427
    } 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
   428
        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
   429
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
        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
   432
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
    }
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
   434
#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
   435
    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
   436
        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
   437
            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
   438
                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
   439
        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
   440
            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
   441
    }
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
   442
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
    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
   444
#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
   445
        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
   446
            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
   447
                                             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
   448
                                             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
   449
                                             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
   450
                                             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
   451
        }
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
   452
        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
   453
#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
   454
        {
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
   455
            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
   456
                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
   457
                              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
   458
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
        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
   460
            X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
            return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
        }
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   464
#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
   465
        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
   466
            /* 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
   467
             * 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
   468
            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
   469
                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
   470
                                     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
   471
                                     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
   472
                                                               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
   473
                                     0, None);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   474
            if (!data->pixmap_picts[i]) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   475
                SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   476
                return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   477
            }
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
   478
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   479
            XRenderComposite(data->display,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   480
                             PictOpClear,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   481
                             data->pixmap_picts[i],
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   482
                             None,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   483
                             data->pixmap_picts[i],
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   484
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   485
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   486
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   487
                             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
   488
        }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   489
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
        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
   493
#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
   494
        if(data->use_xrender == SDL_TRUE)
4576
2b98162b536a Add Xrender support to X11_FillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4575
diff changeset
   495
            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
   496
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
        data->makedirty = SDL_TRUE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
    } 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
   499
        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
   500
#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
   501
        if(data->use_xrender == SDL_TRUE)
4576
2b98162b536a Add Xrender support to X11_FillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4575
diff changeset
   502
            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
   503
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
        data->makedirty = SDL_FALSE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
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
   508
#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
   509
    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
   510
        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
   511
        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
   512
                    << (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
   513
        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
   514
                    << (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
   515
        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
   516
                    << (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
   517
        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
   518
                    << (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
   519
    }
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
   520
    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
   521
#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
   522
    {
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
   523
        /* 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
   524
        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
   525
            (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
   526
             &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
   527
            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
   528
            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
   529
            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
   530
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
    }
2967
e4a469d6ddab Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
   532
    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
   533
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
    /* Create the drawing context */
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
    gcv.graphics_exposures = False;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   536
    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
   537
        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
   538
    if (!data->gc) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   539
        X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
        SDL_SetError("XCreateGC() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
    return renderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
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
   549
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
    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
   551
    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
   552
    int i, n;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   553
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   554
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   555
    if (data->use_xrender) {
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   556
        XRenderFreePicture(data->display, data->xwindow_pict);
4608
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   557
        
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   558
        data->xwindow_pict_fmt =
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   559
            XRenderFindVisualFormat(data->display, data->visual);
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   560
        data->xwindow_pict =
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   561
            XRenderCreatePicture(data->display, data->xwindow,
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   562
                                 data->xwindow_pict_fmt, 0, NULL);
4608
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   563
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   564
        XRenderComposite(data->display,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   565
                         PictOpClear,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   566
                         data->xwindow_pict,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   567
                         None,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   568
                         data->xwindow_pict,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   569
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   570
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   571
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   572
                         window->w, window->h);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   573
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   574
        XFreePixmap(data->display, data->stencil);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   575
        /* Create a clip mask that is used for rendering primitives. */
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   576
        data->stencil = XCreatePixmap(data->display, data->xwindow,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   577
                                   window->w, window->h, 32);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   578
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   579
        XRenderFreePicture(data->display, data->stencil_pict);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   580
        data->stencil_pict =
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   581
            XRenderCreatePicture(data->display, data->stencil,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   582
                                 XRenderFindStandardFormat(data->display,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   583
                                                           PictStandardARGB32),
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   584
                                 0, NULL);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   585
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   586
        XDamageDestroy(data->display, data->stencil_damage);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   587
        if (data->use_xdamage) {
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   588
            data->stencil_damage =
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   589
                XDamageCreate(data->display, data->stencil, XDamageReportNonEmpty);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   590
            XDamageSubtract(data->display, data->stencil_damage, None, data->stencil_parts);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   591
        }
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   592
#endif
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   593
    }
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   594
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
    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
   596
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
    } 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
   598
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
    } 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
   600
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
    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
   605
        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
   606
            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
   607
            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
   608
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   609
            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
   610
            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
   611
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   612
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   614
    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
   615
#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
   616
        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
   617
            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
   618
                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
   619
                              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
   620
                              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
   621
                              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
   622
                              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
   623
        }
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
   624
        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
   625
#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
   626
        {
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
   627
            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
   628
                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
   629
                              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
   630
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
        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
   632
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   634
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   635
#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
   636
        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
   637
            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
   638
                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
   639
                                     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
   640
                                     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
   641
                                                               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
   642
                                     0, None);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   643
            if (!data->pixmap_picts[i]) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   644
                SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   645
                return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   646
            }
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
   647
            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
   648
                             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
   649
                             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
   650
                             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
   651
                             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
   652
                             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
   653
                             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
   654
                             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
   655
                             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
   656
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
   657
       }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   658
#endif
2810
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
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
        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
   662
#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
   663
        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
   664
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   671
#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
   672
static void
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   673
SDLMaskToXRenderMask(Uint32 sdl_mask, short *comp, short *compMask) {
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   674
    if (sdl_mask == 0) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   675
        *comp = 0;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   676
        *compMask = 0;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   677
    } else {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   678
        (*comp) = 0;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   679
        (*compMask) = 0;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   680
        while(!(sdl_mask & 1)) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   681
            (*comp)++;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   682
            sdl_mask >>= 1;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   683
        }
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   684
        while(sdl_mask & 1) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   685
            (*compMask) = ((*compMask) << 1) | 1;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   686
            sdl_mask >>= 1;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   687
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   688
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   689
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   690
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   691
static XRenderPictFormat*
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   692
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
   693
    XRenderPictFormat* pict_fmt = NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   694
    X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   695
    
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   696
    if (data->use_xrender) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   697
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   698
        int bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   699
        Uint32 Amask, Rmask, Gmask, Bmask;
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   700
        if(!SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   701
            SDL_SetError("Unknown pixel format");
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   702
            return NULL;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   703
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   704
        XRenderPictFormat templ;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   705
        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
   706
                              PictFormatRedMask | PictFormatGreen | PictFormatGreenMask |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   707
                              PictFormatBlue | PictFormatBlueMask | PictFormatAlpha |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   708
                              PictFormatAlphaMask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   709
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   710
        templ.type = PictTypeDirect;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   711
        templ.depth = bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   712
        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
   713
        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
   714
        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
   715
        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
   716
        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
   717
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   718
    
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   719
    return pict_fmt;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   720
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   721
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   722
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   723
static Visual*
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   724
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
   725
    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
   726
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   727
    if (data->use_xrender) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   728
        int bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   729
        Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   730
        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
   731
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   732
        XVisualInfo vinfo_templ;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   733
        long vinfo_mask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   734
        int nitems_return;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   735
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   736
        vinfo_mask = (VisualDepthMask | VisualRedMaskMask |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   737
                      VisualGreenMaskMask | VisualBlueMaskMask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   738
        vinfo_templ.depth = bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   739
        vinfo_templ.red_mask = Rmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   740
        vinfo_templ.green_mask = Gmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   741
        vinfo_templ.blue_mask = Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   742
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   743
        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
   744
                                           &vinfo_templ, &nitems_return);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   745
        
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   746
        if (nitems_return) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   747
            return ret[0].visual;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   748
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   749
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   750
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   751
    return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   752
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   753
#endif
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   754
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   755
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   756
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
   757
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   758
    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
   759
    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
   760
    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
   761
    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
   762
    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
   763
    XGCValues gcv;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   764
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   765
    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
   766
    if (!data) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   767
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   768
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   769
    }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   770
    data->depth = renderdata->depth;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   771
    data->visual = renderdata->visual;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   772
    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
   773
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   774
    texture->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   775
    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
   776
        data->yuv =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   777
            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
   778
        if (!data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   779
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   780
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   781
        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
   782
    } else {
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   783
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   784
        if (renderdata->use_xrender)
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   785
        {
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   786
            Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   787
            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
   788
                                       &Rmask, &Gmask, &Bmask, &Amask);
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   789
            printf("%d %x %x %x %x\n", data->depth, Rmask, Gmask, Bmask, Amask);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   790
            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
   791
        }
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   792
        else
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   793
#endif
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   794
        {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   795
            if (texture->format != display->current_mode.format)
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   796
            {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   797
                SDL_SetError("Texture format doesn't match window format");
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   798
                return -1;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   799
            }
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
   800
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   801
        data->format = texture->format;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   802
    }
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   803
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   804
    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
   805
#ifndef NO_SHARED_MEMORY
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   806
        XShmSegmentInfo *shminfo = &data->shminfo;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   807
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   808
        shm_error = True;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   809
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   810
        if (SDL_X11_HAVE_SHM) {
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   811
            data->image =
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   812
                XShmCreateImage(renderdata->display, data->visual,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   813
                                data->depth, ZPixmap, NULL,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   814
                                shminfo, texture->w, texture->h);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   815
            if (data->image) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   816
                shminfo->shmid =
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   817
                    shmget(IPC_PRIVATE, texture->h * data->image->bytes_per_line,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   818
                           IPC_CREAT | 0777);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   819
                if (shminfo->shmid >= 0) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   820
                    shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   821
                    shminfo->readOnly = False;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   822
                    if (shminfo->shmaddr != (char *) -1) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   823
                        shm_error = False;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   824
                        X_handler = XSetErrorHandler(shm_errhandler);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   825
                        XShmAttach(renderdata->display, shminfo);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   826
                        XSync(renderdata->display, False);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   827
                        XSetErrorHandler(X_handler);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   828
                        if (shm_error) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   829
                            XShmDetach(renderdata->display, shminfo);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   830
                            shmdt(shminfo->shmaddr);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   831
                            XDestroyImage(data->image);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   832
                            XSync(renderdata->display, False);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   833
                        }
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   834
                        else {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   835
                            data->pixels = data->image->data = shminfo->shmaddr;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   836
                            shmctl(shminfo->shmid, IPC_RMID, NULL);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   837
                            data->pixmap =
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   838
                                XCreatePixmap(renderdata->display, renderdata->xwindow,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   839
                                              texture->w, texture->h, data->depth);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   840
                            if (!data->pixmap) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   841
                                SDL_SetError("XCreatePixmap() failed");
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   842
                                return -1;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   843
                            }
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   844
                        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   845
                    }
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
        }
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   849
        if (shm_error) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   850
            shminfo->shmaddr = NULL;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   851
        }
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   852
        if (!data->image)
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   853
#endif /* not NO_SHARED_MEMORY */
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   854
        {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   855
            data->image =
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   856
                XCreateImage(renderdata->display, data->visual,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   857
                             data->depth, ZPixmap, 0, NULL,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   858
                             texture->w, texture->h,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   859
                             SDL_BYTESPERPIXEL(data->format) * 8,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   860
                             0);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   861
            if (!data->image) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   862
                X11_DestroyTexture(renderer, texture);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   863
                SDL_SetError("XCreateImage() failed");
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   864
                return -1;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   865
            }
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   866
            data->pixels = SDL_malloc(texture->h * data->image->bytes_per_line);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   867
            if (!data->pixels) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   868
                X11_DestroyTexture(renderer, texture);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   869
                SDL_OutOfMemory();
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   870
                return -1;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   871
            }
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   872
            data->image->data = data->pixels;
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
   873
            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
   874
                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
   875
                              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
   876
            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
   877
                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
   878
                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
   879
                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
   880
            }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   881
        }
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
   882
    } 
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
   883
    else {
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   884
        data->image =
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   885
            XCreateImage(renderdata->display, data->visual,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   886
                         data->depth, ZPixmap, 0, NULL,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   887
                         texture->w, texture->h,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   888
                         SDL_BYTESPERPIXEL(data->format) * 8,
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   889
                         0);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   890
        if (!data->image) {
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   891
            X11_DestroyTexture(renderer, texture);
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   892
            SDL_SetError("XCreateImage() failed");
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   893
            return -1;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   894
        }
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   895
        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
   896
            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
   897
                          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
   898
        if (data->pixmap == None) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   899
            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
   900
            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
   901
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   902
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   903
    }
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   904
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   905
    data->pitch = data->image->bytes_per_line;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   906
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
   907
#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
   908
    if(renderdata->use_xrender) {
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   909
        gcv.graphics_exposures = False;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   910
        data->gc =
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   911
            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
   912
        if (!data->gc) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   913
            SDL_SetError("XCreateGC() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   914
            return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   915
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   916
        data->picture_fmt =
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   917
            PixelFormatEnumToXRenderPictFormat(renderer, texture->format);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   918
        if (data->picture_fmt == NULL) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   919
            X11_DestroyTexture(renderer, texture);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   920
            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
   921
            return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   922
        }
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
   923
        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
   924
            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
   925
                                 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
   926
        if (!data->picture) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   927
            X11_DestroyTexture(renderer, texture);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   928
            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
   929
            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
   930
        }
4610
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   931
        texture->blendMode = SDL_BLENDMODE_NONE;
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4609
diff changeset
   932
        data->blend_op = PictOpSrc;
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   933
    }
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
   934
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   935
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   936
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   937
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   938
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   939
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
   940
                       void **pixels, int *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
    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
   943
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   944
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   945
        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
   946
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   947
        *pixels = data->pixels;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   948
        *pitch = data->pitch;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   949
        return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   950
    }
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
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   954
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
   955
{
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
   956
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
4606
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   957
    X11_RenderData *renderdata = (X11_RenderData *) renderer->driverdata;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   958
    switch (texture->blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   959
    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
   960
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4606
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   961
        if (renderdata->use_xrender) {
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   962
            data->blend_op = PictOpSrc;
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   963
            return 0;
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   964
        }
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   965
    case SDL_BLENDMODE_MOD:
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   966
        if (renderdata->use_xrender) {
4607
9e9ec5e3be95 Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4606
diff changeset
   967
            data->blend_op = PictOpOver;
4606
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   968
            return 0;
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   969
        }
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   970
    case SDL_BLENDMODE_MASK:
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
   971
    case SDL_BLENDMODE_BLEND:
4606
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   972
        if (renderdata->use_xrender) {
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   973
            data->blend_op = PictOpOver;
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   974
            return 0;
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   975
        }
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   976
    case SDL_BLENDMODE_ADD:
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   977
        if (renderdata->use_xrender) {
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   978
            data->blend_op = PictOpAdd;
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   979
            return 0;
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   980
        }
4e145485971b Implement support for setting texture scale mode.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4605
diff changeset
   981
#endif
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
   982
        return 0;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   983
    default:
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff