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New compact texture type for OGL/D3D: IA8
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2233 8ced0084-cf51-0410-be5f-012b33b47a6e
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@ -28,6 +28,12 @@ LPDIRECT3DTEXTURE9 CreateTexture2D(const u8* buffer, const int width, const int
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// crazy bitmagic, sorry :)
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bool isPow2 = !((width&(width-1)) || (height&(height-1)));
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bool bExpand = false;
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if(fmt == D3DFMT_A8P8) {
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fmt = D3DFMT_A8L8;
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bExpand = true;
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}
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HRESULT hr;
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// TODO(ector): allow mipmaps for non-pow textures on newer cards?
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@ -71,17 +77,29 @@ LPDIRECT3DTEXTURE9 CreateTexture2D(const u8* buffer, const int width, const int
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break;
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case D3DFMT_A8L8:
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{
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const u8 *pIn = buffer;
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// TODO(XK): Find a better way that does not involve either unpacking
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// or downsampling (i.e. A4L4)
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for (int y = 0; y < height; y++)
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{
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u8* pBits = ((u8*)Lock.pBits + (y * Lock.Pitch));
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for(int i = 0; i < width * 2; i += 2) {
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pBits[i] = pIn[i / 2];
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pBits[i + 1] = pIn[i / 2];
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if(bExpand) { // I8
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const u8 *pIn = buffer;
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// TODO(XK): Find a better way that does not involve either unpacking
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// or downsampling (i.e. A4L4)
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for (int y = 0; y < height; y++)
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{
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u8* pBits = ((u8*)Lock.pBits + (y * Lock.Pitch));
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for(int i = 0; i < width * 2; i += 2) {
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pBits[i] = pIn[i / 2];
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pBits[i + 1] = pIn[i / 2];
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}
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pIn += pitch;
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}
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} else { // IA8
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const u16 *pIn = (u16*)buffer;
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for (int y = 0; y < height; y++)
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{
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u16* pBits = (u16*)((u8*)Lock.pBits + (y * Lock.Pitch));
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memcpy(pBits, pIn, width * 2);
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pIn += pitch;
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}
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pIn += pitch;
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}
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}
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break;
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