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debugging Voodoo3 transparency problem

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This commit is contained in:
Chris Danford
2003-04-01 07:47:19 +00:00
parent 2e73ec161f
commit 921119d356
1 changed files with 18 additions and 3 deletions
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stepmania/src/RageBitmapTexture.cpp
+18 -3
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@@ -180,9 +180,12 @@ SDL_Surface *RageBitmapTexture::CreateImg(int &pixfmt)
* after setting the color key for paletted images; it'll also return
* TRAIT_NO_TRANSPARENCY if the color key is never used. */
int traits = FindSurfaceTraits(img);
if(traits & TRAIT_NO_TRANSPARENCY) m_ActualID.iAlphaBits = 0;
else if(traits & TRAIT_BOOL_TRANSPARENCY) m_ActualID.iAlphaBits = 1;
if(traits & TRAIT_WHITE_ONLY) m_ActualID.iTransparencyOnly = 8;
if(traits & TRAIT_NO_TRANSPARENCY)
m_ActualID.iAlphaBits = 0;
else if(traits & TRAIT_BOOL_TRANSPARENCY)
m_ActualID.iAlphaBits = 1;
if(traits & TRAIT_WHITE_ONLY)
m_ActualID.iTransparencyOnly = 8;
}
// look in the file name for a format hints
@@ -296,6 +299,8 @@ void RageBitmapTexture::Create()
{
/* This will be set to the pixfmt we should use if we use an RGBA texture. */
int desired_rgba_pixfmt;
SDL_Surface *img = CreateImg(desired_rgba_pixfmt);
if(!m_uGLTextureID)
@@ -459,6 +464,16 @@ retry:
CreateFrameRects();
CString props = " ";
switch( internalfmt )
{
case GL_RGBA4: props += "GL_RGBA4 "; break;
case GL_RGBA8: props += "GL_RGBA8 "; break;
case GL_RGB5_A1: props += "GL_RGB5_A1 "; break;
case GL_ALPHA8: props += "GL_ALPHA8 "; break;
case GL_COLOR_INDEX8_EXT: props += "GL_COLOR_INDEX8_EXT` "; break;
default: props += ssprintf("unknown-format-%d ",internalfmt); break;
}
if(m_ActualID.iAlphaBits == 0) props += "opaque ";
if(m_ActualID.iAlphaBits == 1) props += "matte ";
if(m_ActualID.iTransparencyOnly) props += "mask ";