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convert to RGBA for resizing (worry about making it work on other

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formats after it's correct for this)
This commit is contained in:
Glenn Maynard
2002-10-28 09:02:53 +00:00
parent 1d792fe0f4
commit cc68e1d3a9
1 changed files with 5 additions and 14 deletions
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stepmania/src/RageBitmapTexture.cpp
+5 -14
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@@ -202,14 +202,8 @@ void RageBitmapTexture::Create(
if( !img->format->alpha && !img->format->colorkey )
iAlphaBits = 0;
/* XXX todo? In debug mode only (or something), search for files that set a
* color key or alpha but don't use it and log it. If they don't have a color key set
* at all, we can load it more efficiently. Don't just scan every texture all
* the time to check this, though; better off getting it right in the data than
* spending cycles in a release build.
*
* Scan the image, and see if it actually uses its alpha channel/color key (if any). Reduce
* to 1 or 0 bits of alpha if possible. */
/* XXX Scan the image, and see if it actually uses its alpha channel/color key
* (if any). Reduce to 1 or 0 bits of alpha if possible. */
switch( iAlphaBits ) {
case 0: fmtTexture = D3DFMT_R5G6B5; break;
@@ -279,13 +273,10 @@ void RageBitmapTexture::Create(
* want to accidentally create a 513x513 texture, for example (it won't just
* cause lines; it'll be copied to the texture completely wrong). */
/* If zoomSurface is having problems with some pixel formats, this will
* sanitize it: */
if(img->format->BitsPerPixel == 8 || img->format->colorkey) {
/* resize currently only does RGBA8888 */
if(img->format->BitsPerPixel != 32 || img->format->colorkey) {
int mask = 0;
/* resize currently doesn't do paletted */
if(img->format->BytesPerPixel == 1)
ConvertSDLSurface(img, img->w, img->h, PixFmtMasks[mask][4],
ConvertSDLSurface(img, img->w, img->h, PixFmtMasks[mask][4],
PixFmtMasks[mask][0], PixFmtMasks[mask][1], PixFmtMasks[mask][2], PixFmtMasks[mask][3]);
}
SDL_Surface *dst;