src/video/x11/SDL_x11render.c
author Sunny Sachanandani <sunnysachanandani@gmail.com>
Thu, 22 Jul 2010 12:08:33 +0530
changeset 4614 a17de6a8f796
parent 4613 56b888179f95
child 4615 789483a20081
permissions -rw-r--r--
Code cleanup.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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   241
    }
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    if (!SDL_X11_HAVE_XDAMAGE) {
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        return SDL_FALSE;
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    }
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   246
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    if (!XDamageQueryVersion(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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   252
}
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#endif
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   254
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#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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static Uint32
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XRenderPictFormatToSDLPixelFormatEnum(XRenderPictFormat *pict_format) {
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    if (pict_format->type != PictTypeDirect) {
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        SDL_SetError("Indexed pict formats not supported ATM");
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        return 0;
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   261
    }
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    Uint32 Amask, Rmask, Gmask, Bmask;
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    int bpp;
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    Rmask = pict_format->direct.redMask << pict_format->direct.red;
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    Gmask = pict_format->direct.greenMask << pict_format->direct.green;
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    Bmask = pict_format->direct.blueMask << pict_format->direct.blue;
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    Amask = pict_format->direct.alphaMask << pict_format->direct.alpha;
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    bpp = pict_format->depth;
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    Uint32 format;
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    format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
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    return format;
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   274
}
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#endif
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void
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X11_AddRenderDriver(_THIS)
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{
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    SDL_RendererInfo *info = &X11_RenderDriver.info;
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64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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    SDL_DisplayMode *mode = &SDL_CurrentDisplay->desktop_mode;
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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    int i;
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   284
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   285
    info->texture_formats[info->num_texture_formats++] = mode->format;
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   286
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YV12;
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   287
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
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   288
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YUY2;
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   289
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
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   290
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YVYU;
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   291
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   292
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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   293
    int major, minor;
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   294
    if (CheckXRender(data->display, &major, &minor)) {
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   295
        XRenderPictFormat templ;
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   296
        templ.type = PictTypeDirect;
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   297
        XRenderPictFormat *pict_format;
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   298
        Uint32 format;
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   299
        int i = 0;
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   300
        while (info->num_texture_formats < 50) {
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            pict_format =
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                XRenderFindFormat(data->display, PictFormatType, &templ, i++);
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   303
            if (pict_format) {
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   304
                format = XRenderPictFormatToSDLPixelFormatEnum(pict_format);
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   305
                if (format != SDL_PIXELTYPE_UNKNOWN) {
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   306
                    info->texture_formats[info->num_texture_formats++] = format;
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   307
                }
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   308
            }
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   309
            else
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   310
                break;
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   311
        }
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a2ed55b5ff85 Advertise support for blending modes and scaling modes in the render driver.
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   312
        info->blend_modes = (SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD |
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                             SDL_BLENDMODE_MOD | SDL_BLENDMODE_MASK);
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   314
        info->scale_modes = (SDL_TEXTURESCALEMODE_FAST | SDL_TEXTURESCALEMODE_SLOW |
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   315
                             SDL_TEXTURESCALEMODE_BEST);
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   316
    }
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   317
#endif
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   318
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83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
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   319
    for (i = 0; i < _this->num_displays; ++i) {
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   320
        SDL_AddRenderDriver(&_this->displays[i], &X11_RenderDriver);
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diff changeset
   321
    }
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   322
}
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   323
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   324
SDL_Renderer *
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   325
X11_CreateRenderer(SDL_Window * window, Uint32 flags)
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diff changeset
   326
{
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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
   327
    SDL_VideoDisplay *display = window->display;
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b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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   328
    SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
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   329
    SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   330
    SDL_Renderer *renderer;
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diff changeset
   331
    X11_RenderData *data;
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diff changeset
   332
    XGCValues gcv;
4596
dc26c37ad70e Got testsprite2 to work reasonably.
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diff changeset
   333
    gcv.graphics_exposures = False;
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diff changeset
   334
    int i, n;
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   335
    int bpp;
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   336
    Uint32 Rmask, Gmask, Bmask, Amask;
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   337
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   338
    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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diff changeset
   339
    if (!renderer) {
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diff changeset
   340
        SDL_OutOfMemory();
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diff changeset
   341
        return NULL;
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diff changeset
   342
    }
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diff changeset
   343
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   344
    data = (X11_RenderData *) SDL_calloc(1, sizeof(*data));
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diff changeset
   345
    if (!data) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   346
        X11_DestroyRenderer(renderer);
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diff changeset
   347
        SDL_OutOfMemory();
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diff changeset
   348
        return NULL;
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diff changeset
   349
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   350
    data->display = windowdata->videodata->display;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   351
    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
   352
    data->visual = displaydata->visual;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   353
    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
   354
    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
   355
    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
   356
    
2810
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diff changeset
   357
    renderer->DisplayModeChanged = X11_DisplayModeChanged;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   358
    renderer->CreateTexture = X11_CreateTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   359
    renderer->QueryTexturePixels = X11_QueryTexturePixels;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   360
    renderer->SetTextureBlendMode = X11_SetTextureBlendMode;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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parents:
diff changeset
   361
    renderer->SetTextureScaleMode = X11_SetTextureScaleMode;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   362
    renderer->UpdateTexture = X11_UpdateTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
    renderer->LockTexture = X11_LockTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   364
    renderer->UnlockTexture = X11_UnlockTexture;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   365
    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
   366
    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
   367
    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
   368
    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
   369
    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
   370
    renderer->RenderCopy = X11_RenderCopy;
3559
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 3543
diff changeset
   371
    renderer->RenderReadPixels = X11_RenderReadPixels;
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 3543
diff changeset
   372
    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
   373
    renderer->RenderPresent = X11_RenderPresent;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   374
    renderer->DestroyTexture = X11_DestroyTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   375
    renderer->DestroyRenderer = X11_DestroyRenderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   376
    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
   377
    renderer->window = window;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   378
    renderer->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
    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
   381
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
   382
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4605
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   383
    int major, minor;
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   384
    data->use_xrender = CheckXRender(data->display, &major, &minor);
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   385
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   386
    if (CheckXDamage(data->display, &major, &minor)) {
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   387
        if (CheckXFixes(data->display, &major, &minor)) {
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   388
            if (major >= 2)
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   389
                data->use_xdamage = SDL_TRUE;
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   390
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   391
    }
4605
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   392
#endif
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   393
    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
   394
        /* 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
   395
         * 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
   396
        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
   397
                                                         data->visual);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   398
        if (!data->xwindow_pict_fmt) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   399
            SDL_SetError("XRenderFindVisualFormat() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   400
            return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   401
        }
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
   402
        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
   403
                                                  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
   404
                                                  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
   405
                                                  0, NULL);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   406
        if (!data->xwindow_pict) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   407
            SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   408
            return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   409
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   410
        // 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
   411
        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
   412
                         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
   413
                         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
   414
                         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
   415
                         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
   416
                         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
   417
                         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
   418
                         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
   419
                         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
   420
        /* 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
   421
        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
   422
                                   window->w, window->h, 32);
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   423
        
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
   424
        /* 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
   425
        data->stencil_gc = XCreateGC(data->display, data->stencil,
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   426
                                  GCGraphicsExposures, &gcv);
4607
9e9ec5e3be95 Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4606
diff changeset
   427
        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
   428
        XSetForeground(data->display, data->stencil_gc, 0);
4602
4fbf64d504cf Use XDamage to optimise drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4600
diff changeset
   429
        XFillRectangle(data->display, data->stencil, data->stencil_gc,
4fbf64d504cf Use XDamage to optimise drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4600
diff changeset
   430
                       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
   431
        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
   432
        data->stencil_pict =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   433
            XRenderCreatePicture(data->display, data->stencil,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   434
                                 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
   435
                                                           PictStandardARGB32),
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   436
                                 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
   437
#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
   438
        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
   439
            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
   440
                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
   441
            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
   442
        }
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
   443
#endif
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   444
        data->brush =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   445
            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
   446
        XRenderPictureAttributes brush_attr;
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   447
        brush_attr.repeat = RepeatNormal;
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   448
        data->brush_pict =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   449
            XRenderCreatePicture(data->display, data->brush,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   450
                                 XRenderFindStandardFormat(data->display,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   451
                                                           PictStandardARGB32),
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   452
                                 CPRepeat, &brush_attr);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   453
        // 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
   454
        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
   455
        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
   456
    }
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
   457
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
    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
   459
        renderer->info.flags |=
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
            (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
   461
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
    } 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
   463
        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
   464
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
    } 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
   466
        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
   467
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   468
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
        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
   470
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
    }
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
   472
#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
   473
    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
   474
        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
   475
            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
   476
                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
   477
        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
   478
            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
   479
    }
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
   480
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
    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
   482
#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
   483
        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
   484
            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
   485
                                             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
   486
                                             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
   487
                                             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
   488
                                             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
   489
        }
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
   490
        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
   491
#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
   492
        {
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
   493
            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
   494
                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
   495
                              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
   496
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
        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
   498
            X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
            return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
        }
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   502
#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
   503
        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
   504
            /* 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
   505
             * 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
   506
            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
   507
                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
   508
                                     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
   509
                                     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
   510
                                                               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
   511
                                     0, None);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   512
            if (!data->pixmap_picts[i]) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   513
                SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   514
                return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   515
            }
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
   516
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   517
            XRenderComposite(data->display,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   518
                             PictOpClear,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   519
                             data->pixmap_picts[i],
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   520
                             None,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   521
                             data->pixmap_picts[i],
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   522
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   523
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   524
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   525
                             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
   526
        }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   527
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
        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
   531
#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
   532
        if(data->use_xrender == SDL_TRUE)
4576
2b98162b536a Add Xrender support to X11_FillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4575
diff changeset
   533
            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
   534
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
        data->makedirty = SDL_TRUE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
    } 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
   537
        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
   538
#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
   539
        if(data->use_xrender == SDL_TRUE)
4576
2b98162b536a Add Xrender support to X11_FillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4575
diff changeset
   540
            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
   541
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
        data->makedirty = SDL_FALSE;
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
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
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
   546
#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
   547
    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
   548
        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
   549
        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
   550
                    << (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
   551
        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
   552
                    << (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
   553
        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
   554
                    << (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
   555
        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
   556
                    << (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
   557
    }
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
   558
    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
   559
#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
   560
    {
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
   561
        /* 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
   562
        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
   563
            (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
   564
             &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
   565
            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
   566
            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
   567
            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
   568
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
    }
2967
e4a469d6ddab Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
   570
    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
   571
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
    /* Create the drawing context */
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
    gcv.graphics_exposures = False;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   574
    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
   575
        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
   576
    if (!data->gc) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
        X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
        SDL_SetError("XCreateGC() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
    return renderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
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
   587
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
    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
   589
    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
   590
    int i, n;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   592
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   593
    if (data->use_xrender) {
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   594
        XRenderFreePicture(data->display, data->xwindow_pict);
4608
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   595
        
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   596
        data->xwindow_pict_fmt =
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   597
            XRenderFindVisualFormat(data->display, data->visual);
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   598
        data->xwindow_pict =
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   599
            XRenderCreatePicture(data->display, data->xwindow,
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   600
                                 data->xwindow_pict_fmt, 0, NULL);
4608
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   601
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   602
        XRenderComposite(data->display,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   603
                         PictOpClear,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   604
                         data->xwindow_pict,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   605
                         None,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   606
                         data->xwindow_pict,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   607
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   608
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   609
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   610
                         window->w, window->h);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   611
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   612
        XFreePixmap(data->display, data->stencil);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   613
        /* Create a clip mask that is used for rendering primitives. */
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   614
        data->stencil = XCreatePixmap(data->display, data->xwindow,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   615
                                   window->w, window->h, 32);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   616
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   617
        XRenderFreePicture(data->display, data->stencil_pict);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   618
        data->stencil_pict =
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   619
            XRenderCreatePicture(data->display, data->stencil,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   620
                                 XRenderFindStandardFormat(data->display,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   621
                                                           PictStandardARGB32),
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   622
                                 0, NULL);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   623
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   624
        XDamageDestroy(data->display, data->stencil_damage);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   625
        if (data->use_xdamage) {
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   626
            data->stencil_damage =
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   627
                XDamageCreate(data->display, data->stencil, XDamageReportNonEmpty);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   628
            XDamageSubtract(data->display, data->stencil_damage, None, data->stencil_parts);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   629
        }
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   630
#endif
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   631
    }
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   632
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
    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
   634
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   635
    } 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
   636
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
    } 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
   638
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   639
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   640
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
    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
   643
        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
   644
            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
   645
            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
   646
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   647
            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
   648
            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
   649
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   650
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
    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
   653
#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
   654
        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
   655
            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
   656
                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
   657
                              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
   658
                              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
   659
                              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
   660
                              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
   661
        }
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
   662
        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
   663
#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
   664
        {
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
   665
            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
   666
                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
   667
                              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
   668
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
        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
   670
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   673
#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
   674
        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
   675
            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
   676
                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
   677
                                     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
   678
                                     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
   679
                                                               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
   680
                                     0, None);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   681
            if (!data->pixmap_picts[i]) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   682
                SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   683
                return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   684
            }
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
   685
            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
   686
                             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
   687
                             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
   688
                             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
   689
                             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
   690
                             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
   691
                             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
   692
                             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
   693
                             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
   694
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
   695
       }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   696
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   697
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   698
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   699
        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
   700
#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
   701
        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
   702
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   703
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   704
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   708
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   709
#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
   710
static void
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   711
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
   712
    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
   713
        *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
   714
        *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
   715
    } 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
   716
        (*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
   717
        (*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
   718
        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
   719
            (*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
   720
            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
   721
        }
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
   722
        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
   723
            (*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
   724
            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
   725
        }
4593
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
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   728
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   729
static XRenderPictFormat*
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   730
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
   731
    XRenderPictFormat* pict_fmt = NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   732
    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
   733
    
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   734
    if (data->use_xrender) {
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
        int bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   737
        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
   738
        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
   739
            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
   740
            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
   741
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   742
        XRenderPictFormat templ;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   743
        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
   744
                              PictFormatRedMask | PictFormatGreen | PictFormatGreenMask |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   745
                              PictFormatBlue | PictFormatBlueMask | PictFormatAlpha |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   746
                              PictFormatAlphaMask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   747
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   748
        templ.type = PictTypeDirect;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   749
        templ.depth = bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   750
        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
   751
        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
   752
        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
   753
        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
   754
        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
   755
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   756
    
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   757
    return pict_fmt;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   758
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   759
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   760
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   761
static Visual*
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   762
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
   763
    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
   764
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   765
    if (data->use_xrender) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   766
        int bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   767
        Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   768
        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
   769
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   770
        XVisualInfo vinfo_templ;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   771
        long vinfo_mask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   772
        int nitems_return;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   773
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   774
        vinfo_mask = (VisualDepthMask | VisualRedMaskMask |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   775
                      VisualGreenMaskMask | VisualBlueMaskMask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   776
        vinfo_templ.depth = bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   777
        vinfo_templ.red_mask = Rmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   778
        vinfo_templ.green_mask = Gmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   779
        vinfo_templ.blue_mask = Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   780
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   781
        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
   782
                                           &vinfo_templ, &nitems_return);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   783
        
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   784
        if (nitems_return) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   785
            return ret[0].visual;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   786
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   787
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   788
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   789
    return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   790
}
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   791
#endif
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   792
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   793
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   794
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
   795
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   796
    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
   797
    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
   798
    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
   799
    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
   800
    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
   801
    XGCValues gcv;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   802
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   803
    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
   804
    if (!data) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   805
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   806
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   807
    }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   808
    data->depth = renderdata->depth;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   809
    data->visual = renderdata->visual;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   810
    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
   811
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   812
    texture->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   813
    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
   814
        data->yuv =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   815
            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
   816
        if (!data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   817
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   818
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   819
        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
   820
    } else {
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   821
#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
   822
        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
   823
        {
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   824
            Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   825
            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
   826
                                       &Rmask, &Gmask, &Bmask, &Amask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   827
            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
   828
        }
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
   829
        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
   830
#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
   831
        {
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
            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
   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
                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
   835
                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
   836
            }
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
   837
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   838
        data->format = texture->format;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   839
    }
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
   840
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   841
    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
   842
#ifndef NO_SHARED_MEMORY
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   843
        XShmSegmentInfo *shminfo = &data->shminfo;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   844
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   845
        shm_error = True;
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
        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
   848
            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
   849
                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
   850
                                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
   851
                                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
   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
                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
   854
                    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
   855
                           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
   856
                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
   857
                    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
   858
                    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
   859
                    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
   860
                        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
   861
                        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
   862
                        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
   863
                        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
   864
                        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
   865
                        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
   866
                            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
   867
                            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
   868
                            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
   869
                            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
   870
                        }
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
                        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
   872
                            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
   873
                            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
   874
                            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
   875
                                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
   876
                                              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
   877
                            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
   878
                                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
   879
                                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
   880
                            }
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
   881
                        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   882
                    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   883
                }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   884
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   885
        }
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
   886
        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
   887
            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
   888
        }
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
        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
   890
#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
   891
        {
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
            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
   893
                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
   894
                             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
   895
                             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
   896
                             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
   897
                             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
   898
            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
   899
                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
   900
                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
   901
                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
   902
            }
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
   903
            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
   904
            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
   905
                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
   906
                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
   907
                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
   908
            }
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
   909
            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
   910
            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
   911
                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
   912
                              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
   913
            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
   914
                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
   915
                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
   916
                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
   917
            }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   918
        }
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
   919
    } 
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
   920
    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
   921
        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
   922
            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
   923
                         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
   924
                         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
   925
                         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
   926
                         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
   927
        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
   928
            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
   929
            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
   930
            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
   931
        }
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   932
        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
   933
            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
   934
                          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
   935
        if (data->pixmap == None) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   936
            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
   937
            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
   938
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   939
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   940
    }
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
   941
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
   942
    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
   943
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
   944
#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
   945
    if(renderdata->use_xrender) {
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   946
        gcv.graphics_exposures = False;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   947
        data->gc =
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   948
            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
   949
        if (!data->gc) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   950
            SDL_SetError("XCreateGC() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   951
            return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   952
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   953
        data->picture_fmt =
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   954
            PixelFormatEnumToXRenderPictFormat(renderer, texture->format);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   955
        if (data->picture_fmt == NULL) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   956
            X11_DestroyTexture(renderer, texture);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   957
            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
   958
            return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   959
        }
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
   960
        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
   961
            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
   962
                                 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
   963
        if (!data->picture) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   964
            X11_DestroyTexture(renderer, texture);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   965
            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
   966
            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
   967
        }
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
   968
        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
   969
        data->blend_op = PictOpSrc;
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   970
    }
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
   971
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   972
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   973
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   974
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   975
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   976
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
   977
                       void **pixels, int *pitch)
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   978
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   979
    X11_TextureData *data = (X11_TextureData *) texture->driverdata;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   980
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   981
    if (data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   982
        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
   983
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   984
        *pixels = data->pixels;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents: