src/video/x11/SDL_x11render.c
author Sunny Sachanandani <sunnysachanandani@gmail.com>
Tue, 03 Aug 2010 08:53:20 +0530
changeset 4632 066ce836b80e
parent 4630 02895e9c796b
child 4633 100f7ab48946
permissions -rw-r--r--
Fixed the code to use the correct scaling transformation matrix with XRender.
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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_x11render.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_SetTextureRGBAMod(SDL_Renderer * renderer,
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                                 SDL_Texture * texture);
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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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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.
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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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    Pixmap modulated_pixmap;
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    Picture modulated_picture;
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    XRenderPictFormat* picture_fmt;
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1e998db9b597 Implement blending modes for textures. Fix off-screen pixmaps to be ARGB rather than RGB to enable blending across frames. Clear the screen and off-screen pixmaps when the renderer is created.
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    int blend_op;
4606
4e145485971b Implement support for setting texture scale mode.
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    const char* filter;
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   144
#endif
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    XImage *image;
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   146
#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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   156
/* Shared memory error handler routine */
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   157
static int shm_error;
2814
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static int (*X_handler) (Display *, XErrorEvent *) = NULL;
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   159
static int
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   160
shm_errhandler(Display * d, XErrorEvent * e)
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{
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   162
    if (e->error_code == BadAccess) {
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   163
        shm_error = True;
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        return (0);
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   165
    } else {
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        return (X_handler(d, e));
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   167
    }
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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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{
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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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   197
    }
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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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   204
        return SDL_FALSE;
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   205
    }
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   206
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    if (*major != 0 || *minor < 10) {
4623
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        return SDL_FALSE;
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   209
    }
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    return SDL_TRUE;
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   212
}
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   213
#endif
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   215
#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
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static SDL_bool
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   217
CheckXFixes(Display *display, int *major, int *minor)
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{
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   219
    const char *env;
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    *major = *minor = 0;
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   222
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    env = SDL_getenv("SDL_VIDEO_X11_XFIXES");
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   224
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    if (env && !SDL_atoi(env)) {
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        return SDL_FALSE;
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   227
    }
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   229
    if (!SDL_X11_HAVE_XFIXES) {
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        return SDL_FALSE;
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   231
    }
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    if (!XFixesQueryVersion(display, major, minor)) {
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        return SDL_FALSE;
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   235
    }
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   236
4624
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   237
    if (*major < 2) {
4623
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        return SDL_FALSE;
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   239
    }
10175d54adf4 Depend on XRender version 0.10 or above and XFixes version 2.0 or above. Moved these dependency checks into CheckXRender() and CheckXFixes().
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    return SDL_TRUE;
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}
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   243
#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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{
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    const char *env;
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    *major = *minor = 0;
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    env = SDL_getenv("SDL_VIDEO_X11_XDAMAGE");
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    if (env && !SDL_atoi(env)) {
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        return SDL_FALSE;
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    }
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    if (!SDL_X11_HAVE_XDAMAGE) {
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        return SDL_FALSE;
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    }
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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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}
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#endif
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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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{
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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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    }
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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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   291
}
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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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   301
2870
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   302
    info->texture_formats[info->num_texture_formats++] = mode->format;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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   303
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YV12;
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    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
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   305
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YUY2;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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   306
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
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   307
    info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YVYU;
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   308
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   309
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
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    int major, minor;
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   311
    if (CheckXRender(data->display, &major, &minor)) {
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        XRenderPictFormat templ;
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   313
        templ.type = PictTypeDirect;
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   314
        XRenderPictFormat *pict_format;
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   315
        Uint32 format;
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   316
        int i = 0;
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   317
        while (info->num_texture_formats < 50) {
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   318
            pict_format =
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   319
                XRenderFindFormat(data->display, PictFormatType, &templ, i++);
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   320
            if (pict_format) {
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   321
                format = XRenderPictFormatToSDLPixelFormatEnum(pict_format);
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   322
                if (format != SDL_PIXELTYPE_UNKNOWN) {
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   323
                    info->texture_formats[info->num_texture_formats++] = format;
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   324
                }
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   325
            }
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   326
            else
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   327
                break;
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   328
        }
4616
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
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diff changeset
   329
        info->blend_modes |= (SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD |
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a2ed55b5ff85 Advertise support for blending modes and scaling modes in the render driver.
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   330
                             SDL_BLENDMODE_MOD | SDL_BLENDMODE_MASK);
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05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
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   331
        info->scale_modes |= (SDL_TEXTURESCALEMODE_FAST | SDL_TEXTURESCALEMODE_SLOW |
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   332
                             SDL_TEXTURESCALEMODE_BEST);
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05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
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diff changeset
   333
        info->mod_modes |= (SDL_TEXTUREMODULATE_COLOR | SDL_TEXTUREMODULATE_ALPHA);
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diff changeset
   334
    }
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diff changeset
   335
#endif
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27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   336
3520
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
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diff changeset
   337
    for (i = 0; i < _this->num_displays; ++i) {
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
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diff changeset
   338
        SDL_AddRenderDriver(&_this->displays[i], &X11_RenderDriver);
83518f8fcd61 Fixed calls to SDL_AddRenderDriver()
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diff changeset
   339
    }
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   340
}
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diff changeset
   341
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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   342
SDL_Renderer *
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   343
X11_CreateRenderer(SDL_Window * window, Uint32 flags)
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diff changeset
   344
{
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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diff changeset
   345
    SDL_VideoDisplay *display = window->display;
2870
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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diff changeset
   346
    SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
2810
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diff changeset
   347
    SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
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diff changeset
   348
    SDL_Renderer *renderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   349
    X11_RenderData *data;
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diff changeset
   350
    XGCValues gcv;
4596
dc26c37ad70e Got testsprite2 to work reasonably.
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diff changeset
   351
    gcv.graphics_exposures = False;
2810
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   352
    int i, n;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   353
    int bpp;
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   354
    Uint32 Rmask, Gmask, Bmask, Amask;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   355
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   356
    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
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diff changeset
   357
    if (!renderer) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   358
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
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diff changeset
   359
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   360
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   361
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   362
    data = (X11_RenderData *) SDL_calloc(1, sizeof(*data));
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   363
    if (!data) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   364
        X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   365
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   366
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   367
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   368
    data->display = windowdata->videodata->display;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   369
    data->screen = displaydata->screen;
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
   370
    data->visual = displaydata->visual;
b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
Sam Lantinga <slouken@libsdl.org>
parents: 2868
diff changeset
   371
    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
   372
    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
   373
    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
   374
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   375
    renderer->DisplayModeChanged = X11_DisplayModeChanged;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   376
    renderer->CreateTexture = X11_CreateTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   377
    renderer->QueryTexturePixels = X11_QueryTexturePixels;
4616
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   378
    renderer->SetTextureAlphaMod = X11_SetTextureRGBAMod;
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   379
    renderer->SetTextureColorMod = X11_SetTextureRGBAMod;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
    renderer->SetTextureBlendMode = X11_SetTextureBlendMode;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   381
    renderer->SetTextureScaleMode = X11_SetTextureScaleMode;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   382
    renderer->UpdateTexture = X11_UpdateTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   383
    renderer->LockTexture = X11_LockTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   384
    renderer->UnlockTexture = X11_UnlockTexture;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2882
diff changeset
   385
    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
   386
    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
   387
    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
   388
    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
   389
    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
   390
    renderer->RenderCopy = X11_RenderCopy;
3559
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 3543
diff changeset
   391
    renderer->RenderReadPixels = X11_RenderReadPixels;
5f26a7eb5ff0 Implemented read/write pixels for the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 3543
diff changeset
   392
    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
   393
    renderer->RenderPresent = X11_RenderPresent;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
    renderer->DestroyTexture = X11_DestroyTexture;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
    renderer->DestroyRenderer = X11_DestroyRenderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
    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
   397
    renderer->window = window;
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
    renderer->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
    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
   401
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
   402
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4605
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   403
    int major, minor;
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   404
    data->use_xrender = CheckXRender(data->display, &major, &minor);
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   405
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   406
    if (CheckXDamage(data->display, &major, &minor)) {
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   407
        if (CheckXFixes(data->display, &major, &minor)) {
4623
10175d54adf4 Depend on XRender version 0.10 or above and XFixes version 2.0 or above. Moved these dependency checks into CheckXRender() and CheckXFixes().
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4622
diff changeset
   408
            data->use_xdamage = SDL_TRUE;
4605
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   409
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   410
    }
4605
0b3a509c53a0 Respect environment variables.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4604
diff changeset
   411
#endif
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   412
    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
   413
        /* 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
   414
         * 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
   415
        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
   416
                                                         data->visual);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   417
        if (!data->xwindow_pict_fmt) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   418
            SDL_SetError("XRenderFindVisualFormat() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   419
            return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   420
        }
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
   421
        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
   422
                                                  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
   423
                                                  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
   424
                                                  0, NULL);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   425
        if (!data->xwindow_pict) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   426
            SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   427
            return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   428
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   429
        // 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
   430
        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
   431
                         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
   432
                         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
   433
                         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
   434
                         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
   435
                         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
   436
                         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
   437
                         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
   438
                         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
   439
        /* 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
   440
        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
   441
                                   window->w, window->h, 32);
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   442
        
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
   443
        /* 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
   444
        data->stencil_gc = XCreateGC(data->display, data->stencil,
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   445
                                  GCGraphicsExposures, &gcv);
4607
9e9ec5e3be95 Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4606
diff changeset
   446
        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
   447
        XSetForeground(data->display, data->stencil_gc, 0);
4602
4fbf64d504cf Use XDamage to optimise drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4600
diff changeset
   448
        XFillRectangle(data->display, data->stencil, data->stencil_gc,
4fbf64d504cf Use XDamage to optimise drawing operations.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4600
diff changeset
   449
                       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
   450
        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
   451
        data->stencil_pict =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   452
            XRenderCreatePicture(data->display, data->stencil,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   453
                                 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
   454
                                                           PictStandardARGB32),
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   455
                                 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
   456
#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
   457
        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
   458
            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
   459
                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
   460
            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
   461
        }
dffa432f0e2b Massive speed-up. Fixed the format that is set for the renderer. Included runtime checks for XDamage.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4602
diff changeset
   462
#endif
4597
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   463
        data->brush =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   464
            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
   465
        XRenderPictureAttributes brush_attr;
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   466
        brush_attr.repeat = RepeatNormal;
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   467
        data->brush_pict =
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   468
            XRenderCreatePicture(data->display, data->brush,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   469
                                 XRenderFindStandardFormat(data->display,
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   470
                                                           PictStandardARGB32),
95be206b3cb7 Start experimental branch for client-side rasterization.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4596
diff changeset
   471
                                 CPRepeat, &brush_attr);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   472
        // 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
   473
        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
   474
        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
   475
    }
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
   476
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
    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
   478
        renderer->info.flags |=
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
            (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
   480
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
    } 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
   482
        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
   483
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
    } 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
   485
        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
   486
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
        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
   489
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
    }
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
   491
#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
   492
    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
   493
        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
   494
            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
   495
                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
   496
        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
   497
            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
   498
    }
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
   499
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
    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
   501
#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
   502
        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
   503
            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
   504
                                             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
   505
                                             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
   506
                                             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
   507
                                             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
   508
        }
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
        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
   510
#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
   511
        {
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
   512
            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
   513
                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
   514
                              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
   515
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   516
        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
   517
            X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   519
            return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   520
        }
4573
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   521
#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
   522
        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
   523
            /* 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
   524
             * 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
   525
            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
   526
                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
   527
                                     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
   528
                                     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
   529
                                                               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
   530
                                     0, None);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   531
            if (!data->pixmap_picts[i]) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   532
                SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   533
                return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   534
            }
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
   535
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   536
            XRenderComposite(data->display,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   537
                             PictOpClear,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   538
                             data->pixmap_picts[i],
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   539
                             None,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   540
                             data->pixmap_picts[i],
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   541
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   542
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   543
                             0, 0,
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   544
                             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
   545
        }
6399178be313 Completed work on X11_CreateTexture. Added lots of safety features.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4572
diff changeset
   546
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
        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
   550
#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
   551
        if(data->use_xrender == SDL_TRUE)
4576
2b98162b536a Add Xrender support to X11_FillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4575
diff changeset
   552
            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
   553
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
        data->makedirty = SDL_TRUE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   555
    } 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
   556
        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
   557
#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
   558
        if(data->use_xrender == SDL_TRUE)
4576
2b98162b536a Add Xrender support to X11_FillRectangles.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4575
diff changeset
   559
            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
   560
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
        data->makedirty = SDL_FALSE;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   562
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
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
   565
#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
   566
    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
   567
        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
   568
        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
   569
                    << (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
   570
        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
   571
                    << (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
   572
        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
   573
                    << (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
   574
        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
   575
                    << (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
   576
    }
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
   577
    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
   578
#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
   579
    {
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
   580
        /* 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
   581
        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
   582
            (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
   583
             &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
   584
            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
   585
            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
   586
            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
   587
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
    }
2967
e4a469d6ddab Implemented SDL_SetWindowIcon(), with translucent icon support under X11.
Sam Lantinga <slouken@libsdl.org>
parents: 2927
diff changeset
   589
    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
   590
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
    /* Create the drawing context */
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
    gcv.graphics_exposures = False;
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   593
    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
   594
        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
   595
    if (!data->gc) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
        X11_DestroyRenderer(renderer);
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
        SDL_SetError("XCreateGC() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
        return NULL;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
    return renderer;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
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
   606
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
    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
   608
    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
   609
    int i, n;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   611
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   612
    if (data->use_xrender) {
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   613
        XRenderFreePicture(data->display, data->xwindow_pict);
4608
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   614
        
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   615
        data->xwindow_pict_fmt =
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   616
            XRenderFindVisualFormat(data->display, data->visual);
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   617
        data->xwindow_pict =
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   618
            XRenderCreatePicture(data->display, data->xwindow,
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   619
                                 data->xwindow_pict_fmt, 0, NULL);
4608
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   620
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   621
        XRenderComposite(data->display,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   622
                         PictOpClear,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   623
                         data->xwindow_pict,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   624
                         None,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   625
                         data->xwindow_pict,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   626
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   627
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   628
                         0, 0,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   629
                         window->w, window->h);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   630
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   631
        XFreePixmap(data->display, data->stencil);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   632
        /* Create a clip mask that is used for rendering primitives. */
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   633
        data->stencil = XCreatePixmap(data->display, data->xwindow,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   634
                                   window->w, window->h, 32);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   635
        
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   636
        XRenderFreePicture(data->display, data->stencil_pict);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   637
        data->stencil_pict =
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   638
            XRenderCreatePicture(data->display, data->stencil,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   639
                                 XRenderFindStandardFormat(data->display,
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   640
                                                           PictStandardARGB32),
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   641
                                 0, NULL);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   642
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   643
        XDamageDestroy(data->display, data->stencil_damage);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   644
        if (data->use_xdamage) {
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   645
            data->stencil_damage =
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   646
                XDamageCreate(data->display, data->stencil, XDamageReportNonEmpty);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   647
            XDamageSubtract(data->display, data->stencil_damage, None, data->stencil_parts);
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   648
        }
ff7b00d4b0d3 Fix X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4607
diff changeset
   649
#endif
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   650
    }
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   651
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
    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
   653
        n = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
    } 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
   655
        n = 2;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   656
    } 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
   657
        n = 3;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   658
    } else {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
        n = 1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
    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
   662
        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
   663
            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
   664
            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
   665
#ifdef SDL_VIDEO_DRIVER_X11_XRENDER
4596
dc26c37ad70e Got testsprite2 to work reasonably.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4595
diff changeset
   666
            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
   667
            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
   668
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
    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
   672
#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
   673
        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
   674
            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
   675
                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
   676
                              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
   677
                              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
   678
                              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
   679
                              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
   680
        }
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
   681
        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
   682
#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
   683
        {
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
   684
            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
   685
                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
   686
                              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
   687
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   688
        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
   689
            SDL_SetError("XCreatePixmap() failed");
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   690
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   691
        }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   692
#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
   693
        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
   694
            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
   695
                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
   696
                                     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
   697
                                     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
   698
                                                               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
   699
                                     0, None);
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   700
            if (!data->pixmap_picts[i]) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   701
                SDL_SetError("XRenderCreatePicture() failed");
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   702
                return -1;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   703
            }
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
   704
            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
   705
                             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
   706
                             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
   707
                             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
   708
                             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
   709
                             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
   710
                             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
   711
                             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
   712
                             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
   713
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
   714
       }
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   715
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   716
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   717
    if (n > 0) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   718
        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
   719
#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
   720
        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
   721
#endif
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   722
    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   723
    data->current_pixmap = 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   724
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   725
    return 0;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   726
}
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   727
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   728
#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
   729
static void
4619
b9a205e6369f Moved brace to the beginning of the line for the beginning of functions
Sam Lantinga <slouken@libsdl.org>
parents: 4618
diff changeset
   730
SDLMaskToXRenderMask(Uint32 sdl_mask, short *comp, short *compMask)
b9a205e6369f Moved brace to the beginning of the line for the beginning of functions
Sam Lantinga <slouken@libsdl.org>
parents: 4618
diff changeset
   731
{
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
   732
    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
   733
        *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
   734
        *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
   735
    } 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
   736
        (*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
   737
        (*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
   738
        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
   739
            (*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
   740
            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
   741
        }
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
   742
        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
   743
            (*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
   744
            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
   745
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   746
    }
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
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   749
static XRenderPictFormat*
4619
b9a205e6369f Moved brace to the beginning of the line for the beginning of functions
Sam Lantinga <slouken@libsdl.org>
parents: 4618
diff changeset
   750
PixelFormatEnumToXRenderPictFormat(SDL_Renderer * renderer, Uint32 format)
b9a205e6369f Moved brace to the beginning of the line for the beginning of functions
Sam Lantinga <slouken@libsdl.org>
parents: 4618
diff changeset
   751
{
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   752
    XRenderPictFormat* pict_fmt = NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   753
    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
   754
    
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   755
    if (data->use_xrender) {
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
        int bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   758
        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
   759
        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
   760
            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
   761
            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
   762
        }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   763
        XRenderPictFormat templ;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   764
        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
   765
                              PictFormatRedMask | PictFormatGreen | PictFormatGreenMask |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   766
                              PictFormatBlue | PictFormatBlueMask | PictFormatAlpha |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   767
                              PictFormatAlphaMask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   768
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   769
        templ.type = PictTypeDirect;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   770
        templ.depth = bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   771
        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
   772
        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
   773
        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
   774
        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
   775
        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
   776
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   777
    
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   778
    return pict_fmt;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   779
}
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
static Visual*
4619
b9a205e6369f Moved brace to the beginning of the line for the beginning of functions
Sam Lantinga <slouken@libsdl.org>
parents: 4618
diff changeset
   782
PixelFormatEnumToVisual(SDL_Renderer * renderer, Uint32 format)
b9a205e6369f Moved brace to the beginning of the line for the beginning of functions
Sam Lantinga <slouken@libsdl.org>
parents: 4618
diff changeset
   783
{
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   784
    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
   785
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   786
    if (data->use_xrender) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   787
        int bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   788
        Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   789
        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
   790
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   791
        XVisualInfo vinfo_templ;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   792
        long vinfo_mask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   793
        int nitems_return;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   794
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   795
        vinfo_mask = (VisualDepthMask | VisualRedMaskMask |
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   796
                      VisualGreenMaskMask | VisualBlueMaskMask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   797
        vinfo_templ.depth = bpp;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   798
        vinfo_templ.red_mask = Rmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   799
        vinfo_templ.green_mask = Gmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   800
        vinfo_templ.blue_mask = Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   801
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   802
        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
   803
                                           &vinfo_templ, &nitems_return);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   804
        
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   805
        if (nitems_return) {
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   806
            return ret[0].visual;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   807
        }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   808
    }
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   809
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   810
    return NULL;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   811
}
4616
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   812
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   813
static XRenderColor
4619
b9a205e6369f Moved brace to the beginning of the line for the beginning of functions
Sam Lantinga <slouken@libsdl.org>
parents: 4618
diff changeset
   814
SDLColorToXRenderColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a)
b9a205e6369f Moved brace to the beginning of the line for the beginning of functions
Sam Lantinga <slouken@libsdl.org>
parents: 4618
diff changeset
   815
{
4616
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   816
    double rd, gd, bd, ad;
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   817
    XRenderColor ret;
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   818
    rd = r / 255.0;
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   819
    gd = g / 255.0;
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   820
    bd = b / 255.0;
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   821
    ad = a / 255.0;
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   822
    
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   823
    ret.red = (unsigned short) (rd * ad * 0xFFFF);
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   824
    ret.green = (unsigned short) (gd * ad * 0xFFFF);
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   825
    ret.blue = (unsigned short) (bd * ad * 0xFFFF);
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   826
    ret.alpha = (unsigned short) (ad * 0xFFFF);
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   827
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   828
    return ret;
05eb4a07e5e3 Add support for texture modulation (both color and alpha). testsprite2 works now with --cyclealpha and --cyclecolor.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4615
diff changeset
   829
}
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   830
#endif
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   831
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   832
static int
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   833
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
   834
{
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   835
    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
   836
    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
   837
    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
   838
    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
   839
    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
   840
    XGCValues gcv;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   841
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   842
    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
   843
    if (!data) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   844
        SDL_OutOfMemory();
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   845
        return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   846
    }
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   847
    data->depth = renderdata->depth;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   848
    data->visual = renderdata->visual;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   849
    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
   850
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   851
    texture->driverdata = data;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   852
    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
   853
        data->yuv =
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   854
            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
   855
        if (!data->yuv) {
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   856
            return -1;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   857
        }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   858
        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
   859
    } else {
4572
266ec93f49af Correctly handle the availability of Xrender in X11_CreateRenderer and X11_DisplayModeChanged.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4571
diff changeset
   860
#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
   861
        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
   862
        {
4593
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   863
            Uint32 Amask, Rmask, Gmask, Bmask;
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   864
            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
   865
                                       &Rmask, &Gmask, &Bmask, &Amask);
3892fe2f6537 Fixed so many things. See the changelog listed below.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4591
diff changeset
   866
            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
   867
        }
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
   868
        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
   869
#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
   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
            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
   872
            {
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
                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
   874
                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
   875
            }
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
   876
        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   877
        data->format = texture->format;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   878
    }
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
   879
    
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   880
    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
   881
#ifndef NO_SHARED_MEMORY
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   882
        XShmSegmentInfo *shminfo = &data->shminfo;
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
        shm_error = True;
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   885
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   886
        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
   887
            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
   888
                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
   889
                                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
   890
                                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
   891
            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
   892
                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
   893
                    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
   894
                           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
   895
                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
   896
                    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
   897
                    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
   898
                    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
   899
                        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
   900
                        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
   901
                        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
   902
                        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
   903
                        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
   904
                        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
   905
                            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
   906
                            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
   907
                            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
   908
                            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
   909
                        }
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
   910
                        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
   911
                            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
   912
                            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
   913
                            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
   914
                                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
   915
                                              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
   916
                            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
   917
                                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
   918
                                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
   919
                            }
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
   920
                        }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   921
                    }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   922
                }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   923
            }
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   924
        }
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
   925
        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
   926
            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
   927
        }
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
        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
   929
#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
   930
        {
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
            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
   932
                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
   933
                             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
   934
                             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
   935
                             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
   936
                             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
   937
            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
   938
                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
   939
                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
   940
                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
   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->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
   943
            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
   944
                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
   945
                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
   946
                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
   947
            }
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
   948
            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
   949
            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
   950
                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
   951
                              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
   952
            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
   953
                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
   954
                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
   955
                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
   956
            }
2810
27cb878a278e Implemented the X11 (non-OpenGL) renderer, no alpha or scaling available.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   957
        }
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
   958
    } 
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
   959
    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
   960
        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
   961
            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
   962
                         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
   963
                         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
   964
                         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
   965
                         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
   966
        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
   967
            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
   968
            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
   969
            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
   970
        }
2814
Sam Lantinga <slouken@libsdl.org>
parents: 2811
diff changeset
   971
        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
   972
            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
   973
                          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
   974
        if (data->pixmap == None) {
2868
3b595278f813 Fixed BadMatch error in X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
   975
            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
   976
            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
   977
            return -1;
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
    }
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
   980
32991e17e2b6 Make the SW renderer work properly by fixing support for textures with no alpha channels.
Sunny Sachanandani <sunnysachanandani@gmail.com>
parents: 4