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wined3d: Enable color keying only for surfaces without an alpha channel.

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This commit is contained in:
Stefan Dösinger 2007-02-15 03:05:54 +01:00 committed by Alexandre Julliard
parent 8b8e30b1e1
commit d4c4e5d167
1 changed files with 12 additions and 2 deletions
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14
dlls/wined3d/state.c
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@ -337,9 +337,19 @@ static void state_alpha(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3D
* used WINED3DRS_COLORKEYENABLE state(which is d3d <= 3 only). The texture function will call alpha
* in case it finds some texture+colorkeyenable combination which needs extra care.
*/
if(stateblock->textures[0]) {
if(stateblock->textures[0] && stateblock->textureDimensions[0] == GL_TEXTURE_2D) {
surf = (IWineD3DSurfaceImpl *) ((IWineD3DTextureImpl *)stateblock->textures[0])->surfaces[0];
if(surf->CKeyFlags & DDSD_CKSRCBLT) enable_ckey = TRUE;
if(surf->CKeyFlags & DDSD_CKSRCBLT) {
const PixelFormatDesc *fmt = getFormatDescEntry(surf->resource.format);
/* The surface conversion does not do color keying conversion for surfaces that have an alpha
* channel on their own. Likewise, the alpha test shouldn't be set up for color keying if the
* surface has alpha bits
*/
if(fmt->alphaMask == 0x00000000) {
enable_ckey = TRUE;
}
}
}
if (stateblock->renderState[WINED3DRS_ALPHATESTENABLE] ||