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software: fix blits with color mods that change during a command queue run.

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This commit is contained in:
Ryan C. Gordon 2018-11-14 22:38:58 -05:00
parent 2e348c1f59
commit 9262c0de9b
1 changed files with 8 additions and 11 deletions
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19
src/render/software/SDL_render_sw.c
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@ -554,20 +554,17 @@ PrepTextureForCopy(const SDL_RenderCommand *cmd)
const SDL_BlendMode blend = cmd->data.draw.blend;
SDL_Texture *texture = cmd->data.draw.texture;
SDL_Surface *surface = (SDL_Surface *) texture->driverdata;
const SDL_bool colormod = ((r & g & b) != 0xFF);
const SDL_bool alphamod = (a != 0xFF);
const SDL_bool blending = ((blend == SDL_BLENDMODE_ADD) || (blend == SDL_BLENDMODE_MOD));
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
SDL_SetSurfaceRLE(surface, 0);
SDL_SetSurfaceColorMod(surface, r, g, b);
}
if ((texture->modMode & SDL_TEXTUREMODULATE_ALPHA) && surface->format->Amask) {
SDL_SetSurfaceRLE(surface, 0);
SDL_SetSurfaceAlphaMod(surface, a);
}
if ((blend == SDL_BLENDMODE_ADD) || (blend == SDL_BLENDMODE_MOD)) {
if (colormod || alphamod || blending) {
SDL_SetSurfaceRLE(surface, 0);
}
/* !!! FIXME: we can probably avoid some of these calls. */
SDL_SetSurfaceColorMod(surface, r, g, b);
SDL_SetSurfaceAlphaMod(surface, a);
SDL_SetSurfaceBlendMode(surface, blend);
}