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New compact texture type for OGL/D3D: IA8

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2233 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
XTra.KrazzY
2009-02-13 14:14:45 +00:00
parent a55e672493
commit acb3d1b23d
5 changed files with 61 additions and 35 deletions
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38
Source/Plugins/Plugin_VideoDX9/Src/D3DTexture.cpp
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@ -28,6 +28,12 @@ LPDIRECT3DTEXTURE9 CreateTexture2D(const u8* buffer, const int width, const int
// crazy bitmagic, sorry :)
bool isPow2 = !((width&(width-1)) || (height&(height-1)));
bool bExpand = false;
if(fmt == D3DFMT_A8P8) {
fmt = D3DFMT_A8L8;
bExpand = true;
}
HRESULT hr;
// TODO(ector): allow mipmaps for non-pow textures on newer cards?
@ -71,17 +77,29 @@ LPDIRECT3DTEXTURE9 CreateTexture2D(const u8* buffer, const int width, const int
break;
case D3DFMT_A8L8:
{
const u8 *pIn = buffer;
// TODO(XK): Find a better way that does not involve either unpacking
// or downsampling (i.e. A4L4)
for (int y = 0; y < height; y++)
{
u8* pBits = ((u8*)Lock.pBits + (y * Lock.Pitch));
for(int i = 0; i < width * 2; i += 2) {
pBits[i] = pIn[i / 2];
pBits[i + 1] = pIn[i / 2];
if(bExpand) { // I8
const u8 *pIn = buffer;
// TODO(XK): Find a better way that does not involve either unpacking
// or downsampling (i.e. A4L4)
for (int y = 0; y < height; y++)
{
u8* pBits = ((u8*)Lock.pBits + (y * Lock.Pitch));
for(int i = 0; i < width * 2; i += 2) {
pBits[i] = pIn[i / 2];
pBits[i + 1] = pIn[i / 2];
}
pIn += pitch;
}
} else { // IA8
const u16 *pIn = (u16*)buffer;
for (int y = 0; y < height; y++)
{
u16* pBits = (u16*)((u8*)Lock.pBits + (y * Lock.Pitch));
memcpy(pBits, pIn, width * 2);
pIn += pitch;
}
pIn += pitch;
}
}
break;