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support 16-bpc textures

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This commit is contained in:
David Rose 2004-12-17 00:26:01 +00:00
parent 7e8ee687e2
commit a3c351279a
2 changed files with 92 additions and 46 deletions
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69
panda/src/dxgsg8/dxTextureContext8.cxx
View File

@ -476,16 +476,8 @@ IDirect3DTexture8 *DXTextureContext8::CreateTexture(DXScreenData &scrn) {
PixelBuffer::Type pixbuf_type = pbuf->get_image_type();
DWORD cNumColorChannels = pbuf->get_num_components();
assert(pbuf->get_component_width()==sizeof(BYTE)); // cant handle anything else now
assert(pixbuf_type==PixelBuffer::T_unsigned_byte); // cant handle anything else now
//PRINT_REFCNT(dxgsg8,scrn.pD3D8);
if((pixbuf_type!=PixelBuffer::T_unsigned_byte) || (pbuf->get_component_width()!=1)) {
dxgsg8_cat.error() << "CreateTexture failed, havent handled non 8-bit channel pixelbuffer types yet! \n";
return NULL;
}
DWORD dwOrigWidth = (DWORD)pbuf->get_xsize();
DWORD dwOrigHeight = (DWORD)pbuf->get_ysize();
@ -959,6 +951,7 @@ FillDDSurfTexturePixels(void) {
DWORD cNumColorChannels = pbuf->get_num_components();
D3DFORMAT SrcFormat=_PixBufD3DFmt;
BYTE *pPixels=(BYTE*)pbuf->_image.p();
int component_width = pbuf->get_component_width();
assert(IS_VALID_PTR(pPixels));
@ -984,26 +977,56 @@ FillDDSurfTexturePixels(void) {
// D3DXLoadSurfaceFromMemory will load black luminance and we want full white,
// so convert to explicit luminance-alpha format
if(_PixBufD3DFmt==D3DFMT_A8) {
// alloc buffer for explicit D3DFMT_A8L8
USHORT *pTempPixBuf=new USHORT[OrigWidth*OrigHeight];
if(!IS_VALID_PTR(pTempPixBuf)) {
dxgsg8_cat.error() << "FillDDSurfaceTexturePixels couldnt alloc mem for temp pixbuf!\n";
goto exit_FillDDSurf;
if (_PixBufD3DFmt==D3DFMT_A8) {
// alloc buffer for explicit D3DFMT_A8L8
USHORT *pTempPixBuf=new USHORT[OrigWidth*OrigHeight];
if(!IS_VALID_PTR(pTempPixBuf)) {
dxgsg8_cat.error() << "FillDDSurfaceTexturePixels couldnt alloc mem for temp pixbuf!\n";
goto exit_FillDDSurf;
}
bUsingTempPixBuf=true;
USHORT *pOutPix=pTempPixBuf;
BYTE *pSrcPix=pPixels;
for (UINT y = 0; y < OrigHeight; y++) {
for (UINT x = 0;
x < OrigWidth;
x++, pSrcPix += component_width, pOutPix++) {
// add full white, which is our interpretation of alpha-only
// (similar to default adding full opaque alpha 0xFF to
// RGB-only textures)
*pOutPix = ((*pSrcPix) << 8 ) | 0xFF;
}
bUsingTempPixBuf=true;
}
SrcFormat=D3DFMT_A8L8;
SrcPixBufRowByteLength=OrigWidth*sizeof(USHORT);
pPixels=(BYTE*)pTempPixBuf;
} else if (component_width != 1) {
// Convert from 16-bit per channel (or larger) format down to
// 8-bit per channel. This throws away precision in the
// original image, but dx8 doesn't support high-precision images
// anyway.
USHORT *pOutPix=pTempPixBuf;
BYTE *pSrcPix=pPixels;
for(UINT y=0;y<OrigHeight;y++)
for(UINT x=0;x<OrigWidth;x++,pSrcPix++,pOutPix++)
*pOutPix = ((*pSrcPix) << 8 ) | 0xFF; // add full white, which is our interpretation of alpha-only (similar to default adding full opaque alpha 0xFF to RGB-only textures)
int num_components = pbuf->get_num_components();
int num_pixels = OrigWidth * OrigHeight * num_components;
BYTE *pTempPixBuf = new BYTE[num_pixels];
if(!IS_VALID_PTR(pTempPixBuf)) {
dxgsg8_cat.error() << "FillDDSurfaceTexturePixels couldnt alloc mem for temp pixbuf!\n";
goto exit_FillDDSurf;
}
bUsingTempPixBuf=true;
SrcFormat=D3DFMT_A8L8;
SrcPixBufRowByteLength=OrigWidth*sizeof(USHORT);
pPixels=(BYTE*)pTempPixBuf;
BYTE *pSrcPix = pPixels;
for (int i = 0; i < num_pixels; i++) {
pTempPixBuf[i] = *pSrcPix;
pSrcPix += component_width;
}
pPixels=(BYTE*)pTempPixBuf;
}
// filtering may be done here if texture if targetsize!=origsize
hr=D3DXLoadSurfaceFromMemory(pMipLevel0,(PALETTEENTRY*)NULL,(RECT*)NULL,(LPCVOID)pPixels,SrcFormat,
SrcPixBufRowByteLength,(PALETTEENTRY*)NULL,&SrcSize,Lev0Filter,(D3DCOLOR)0x0);

69
panda/src/dxgsg9/dxTextureContext9.cxx
View File

@ -476,16 +476,8 @@ IDirect3DTexture9 *DXTextureContext9::CreateTexture(DXScreenData &scrn) {
PixelBuffer::Type pixbuf_type = pbuf->get_image_type();
DWORD cNumColorChannels = pbuf->get_num_components();
assert(pbuf->get_component_width()==sizeof(BYTE)); // cant handle anything else now
assert(pixbuf_type==PixelBuffer::T_unsigned_byte); // cant handle anything else now
//PRINT_REFCNT(dxgsg9,scrn.pD3D9);
if((pixbuf_type!=PixelBuffer::T_unsigned_byte) || (pbuf->get_component_width()!=1)) {
dxgsg9_cat.error() << "CreateTexture failed, havent handled non 8-bit channel pixelbuffer types yet! \n";
return NULL;
}
DWORD dwOrigWidth = (DWORD)pbuf->get_xsize();
DWORD dwOrigHeight = (DWORD)pbuf->get_ysize();
@ -959,6 +951,7 @@ FillDDSurfTexturePixels(void) {
DWORD cNumColorChannels = pbuf->get_num_components();
D3DFORMAT SrcFormat=_PixBufD3DFmt;
BYTE *pPixels=(BYTE*)pbuf->_image.p();
int component_width = pbuf->get_component_width();
assert(IS_VALID_PTR(pPixels));
@ -984,26 +977,56 @@ FillDDSurfTexturePixels(void) {
// D3DXLoadSurfaceFromMemory will load black luminance and we want full white,
// so convert to explicit luminance-alpha format
if(_PixBufD3DFmt==D3DFMT_A8) {
// alloc buffer for explicit D3DFMT_A8L8
USHORT *pTempPixBuf=new USHORT[OrigWidth*OrigHeight];
if(!IS_VALID_PTR(pTempPixBuf)) {
dxgsg9_cat.error() << "FillDDSurfaceTexturePixels couldnt alloc mem for temp pixbuf!\n";
goto exit_FillDDSurf;
if (_PixBufD3DFmt==D3DFMT_A8) {
// alloc buffer for explicit D3DFMT_A8L8
USHORT *pTempPixBuf=new USHORT[OrigWidth*OrigHeight];
if(!IS_VALID_PTR(pTempPixBuf)) {
dxgsg9_cat.error() << "FillDDSurfaceTexturePixels couldnt alloc mem for temp pixbuf!\n";
goto exit_FillDDSurf;
}
bUsingTempPixBuf=true;
USHORT *pOutPix=pTempPixBuf;
BYTE *pSrcPix=pPixels;
for (UINT y = 0; y < OrigHeight; y++) {
for (UINT x = 0;
x < OrigWidth;
x++, pSrcPix += component_width, pOutPix++) {
// add full white, which is our interpretation of alpha-only
// (similar to default adding full opaque alpha 0xFF to
// RGB-only textures)
*pOutPix = ((*pSrcPix) << 8 ) | 0xFF;
}
bUsingTempPixBuf=true;
}
SrcFormat=D3DFMT_A8L8;
SrcPixBufRowByteLength=OrigWidth*sizeof(USHORT);
pPixels=(BYTE*)pTempPixBuf;
} else if (component_width != 1) {
// Convert from 16-bit per channel (or larger) format down to
// 8-bit per channel. This throws away precision in the
// original image. dx9 does support some of these
// high-precision formats, but we don't right now.
USHORT *pOutPix=pTempPixBuf;
BYTE *pSrcPix=pPixels;
for(UINT y=0;y<OrigHeight;y++)
for(UINT x=0;x<OrigWidth;x++,pSrcPix++,pOutPix++)
*pOutPix = ((*pSrcPix) << 8 ) | 0xFF; // add full white, which is our interpretation of alpha-only (similar to default adding full opaque alpha 0xFF to RGB-only textures)
int num_components = pbuf->get_num_components();
int num_pixels = OrigWidth * OrigHeight * num_components;
BYTE *pTempPixBuf = new BYTE[num_pixels];
if(!IS_VALID_PTR(pTempPixBuf)) {
dxgsg9_cat.error() << "FillDDSurfaceTexturePixels couldnt alloc mem for temp pixbuf!\n";
goto exit_FillDDSurf;
}
bUsingTempPixBuf=true;
SrcFormat=D3DFMT_A8L8;
SrcPixBufRowByteLength=OrigWidth*sizeof(USHORT);
pPixels=(BYTE*)pTempPixBuf;
BYTE *pSrcPix = pPixels;
for (int i = 0; i < num_pixels; i++) {
pTempPixBuf[i] = *pSrcPix;
pSrcPix += component_width;
}
pPixels=(BYTE*)pTempPixBuf;
}
// filtering may be done here if texture if targetsize!=origsize
hr=D3DXLoadSurfaceFromMemory(pMipLevel0,(PALETTEENTRY*)NULL,(RECT*)NULL,(LPCVOID)pPixels,SrcFormat,
SrcPixBufRowByteLength,(PALETTEENTRY*)NULL,&SrcSize,Lev0Filter,(D3DCOLOR)0x0);