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Apply singlecolorpatch.diff from Amir Ebrahimi.

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Add single color compressor to CUDA implementation.
This commit is contained in:
castano
2008-02-16 09:53:07 +00:00
parent eb36ef86a7
commit b41752aa84
8 changed files with 110 additions and 19 deletions
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23
src/nvtt/CompressDXT.cpp
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@ -69,7 +69,14 @@ void nv::fastCompressDXT1(const Image * image, const OutputOptions::Private & ou
for (uint x = 0; x < w; x += 4) {
rgba.init(image, x, y);
QuickCompress::compressDXT1(rgba, &block);
if (rgba.isSingleColor())
{
QuickCompress::compressDXT1(rgba.color(0), &block);
}
else
{
QuickCompress::compressDXT1(rgba, &block);
}
if (outputOptions.outputHandler != NULL) {
outputOptions.outputHandler->writeData(&block, sizeof(block));
@ -214,10 +221,16 @@ void nv::compressDXT1(const Image * image, const OutputOptions::Private & output
rgba.init(image, x, y);
// Compress color.
squish::ColourSet colours((uint8 *)rgba.colors(), 0);
fit.SetColourSet(&colours, squish::kDxt1);
fit.Compress(&block);
if (rgba.isSingleColor())
{
QuickCompress::compressDXT1(rgba.color(0), &block);
}
else
{
squish::ColourSet colours((uint8 *)rgba.colors(), 0);
fit.SetColourSet(&colours, squish::kDxt1);
fit.Compress(&block);
}
if (outputOptions.outputHandler != NULL) {
outputOptions.outputHandler->writeData(&block, sizeof(block));