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This commit is contained in:
Sunny Sachanandani 2010-07-28 13:08:14 +05:30
parent 457eb7e007
commit b277b530a1
1 changed files with 9 additions and 0 deletions
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9
src/video/x11/SDL_x11render.c
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@ -1038,16 +1038,19 @@ X11_SetTextureRGBAMod(SDL_Renderer * renderer, SDL_Texture * texture)
Uint8 r = 0xFF, g = 0xFF, b = 0xFF, a = 0xFF;
/* Check if alpha modulation is required. */
if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) {
a = texture->a;
}
/* Check if color modulation is required. */
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
r = texture->r;
g = texture->g;
b = texture->b;
}
/* We can save some labour if no modulation is required. */
if (texture->modMode != SDL_TEXTUREMODULATE_NONE) {
XRenderColor mod_color =
SDLColorToXRenderColor(r, g, b, a);
@ -1056,6 +1059,8 @@ X11_SetTextureRGBAMod(SDL_Renderer * renderer, SDL_Texture * texture)
0, 0, 1, 1);
}
/* We can save some labour dealing with component alpha
* if color modulation is not required. */
XRenderPictureAttributes attr;
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
attr.component_alpha = True;
@ -1063,6 +1068,8 @@ X11_SetTextureRGBAMod(SDL_Renderer * renderer, SDL_Texture * texture)
CPComponentAlpha, &attr);
}
/* Again none of this is necessary is no modulation
* is required. */
if (texture->modMode != SDL_TEXTUREMODULATE_NONE) {
XRenderComposite(renderdata->display, PictOpSrc,
data->picture, renderdata->brush_pict,
@ -1070,6 +1077,8 @@ X11_SetTextureRGBAMod(SDL_Renderer * renderer, SDL_Texture * texture)
0, 0, 0, 0, 0, 0, texture->w, texture->h);
}
/* We only need to reset the component alpha
* attribute if color modulation is required. */
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
attr.component_alpha = False;
XRenderChangePicture(renderdata->display, renderdata->brush_pict,