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More efficient texture memory usage. Fixes hickups on BGAnimation change.

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This commit is contained in:
Chris Danford
2002-10-20 17:18:05 +00:00
parent 0b1cd44364
commit 1c75f1b095
5 changed files with 30 additions and 39 deletions
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stepmania/src/RageBitmapTexture.cpp
+12 -25
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@@ -125,32 +125,19 @@ void RageBitmapTexture::Create(
// Figure out which texture format to use
///////////////////////
D3DFORMAT fmtTexture;
switch( dwTextureColorDepth )
if( dwTextureColorDepth == 32 )
fmtTexture = D3DFMT_A8R8G8B8;
else if( ddii.Format == D3DFMT_P8 )
fmtTexture = D3DFMT_A1R5G5B5;
else // dwTextureColorDepth == 16
{
case 16:
switch( iAlphaBits )
{
case 0: fmtTexture = D3DFMT_R5G6B5; break;
case 1: fmtTexture = D3DFMT_A1R5G5B5; break;
case 4:
// Ignore dwTextureColorDepth, and infer based on image format
switch( ddii.Format )
{
case D3DFMT_P8: fmtTexture = D3DFMT_A1R5G5B5; break;
default: fmtTexture = D3DFMT_A4R4G4B4; break;
}
break;
default:
ASSERT(0); // invalid iAlphaBits value
fmtTexture = D3DFMT_A4R4G4B4; break;
case 0: fmtTexture = D3DFMT_R5G6B5; break;
case 1: fmtTexture = D3DFMT_A1R5G5B5; break;
case 4: fmtTexture = D3DFMT_A4R4G4B4; break;
default: ASSERT(0); fmtTexture = D3DFMT_A4R4G4B4; break;
}
break;
case 32:
fmtTexture = D3DFMT_A8R8G8B8;
break;
default:
throw RageException( "Invalid color depth: %d bits", dwTextureColorDepth );
}
@@ -166,12 +153,12 @@ void RageBitmapTexture::Create(
if( FAILED( hr = D3DXCreateTextureFromFileEx(
m_pd3dDevice, // device
m_sFilePath, // soure file
bStretch ? dwMaxSize : D3DX_DEFAULT, // width
bStretch ? dwMaxSize : D3DX_DEFAULT, // height
D3DX_DEFAULT, // width
D3DX_DEFAULT, // height
iMipMaps, // mip map levels
0, // usage (is a render target?)
fmtTexture, // our preferred texture format
D3DPOOL_MANAGED, // which memory pool
D3DPOOL_DEFAULT, // which memory pool
(bStretch ? D3DX_FILTER_LINEAR : D3DX_FILTER_NONE) | (bDither ? D3DX_FILTER_DITHER : 0), // filter
D3DX_FILTER_BOX | (bDither ? D3DX_FILTER_DITHER : 0), // mip filter
D3DCOLOR_ARGB(255,255,0,255), // pink color key