drewcassidy/nvidia-texture-tools
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Misc changes.

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This commit is contained in:
castano 2012-08-28 16:44:23 +00:00
parent bff3dab505
commit ac3f2d1794
2 changed files with 5 additions and 5 deletions
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6
src/nvimage/Quantize.cpp
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@ -85,8 +85,8 @@ void nv::Quantize::FloydSteinberg_BinaryAlpha( Image * image, int alpha_threshol
memset(row0, 0, sizeof(float)*(w+2)); memset(row0, 0, sizeof(float)*(w+2));
memset(row1, 0, sizeof(float)*(w+2)); memset(row1, 0, sizeof(float)*(w+2));
for(uint y = 0; y < h; y++) { for (uint y = 0; y < h; y++) {
for(uint x = 0; x < w; x++) { for (uint x = 0; x < w; x++) {
Color32 pixel = image->pixel(x, y); Color32 pixel = image->pixel(x, y);
@ -94,7 +94,7 @@ void nv::Quantize::FloydSteinberg_BinaryAlpha( Image * image, int alpha_threshol
int alpha = int(pixel.a) + int(row0[1+x]); int alpha = int(pixel.a) + int(row0[1+x]);
// Convert color. // Convert color.
if( alpha > alpha_threshold ) pixel.a = 255; if (alpha > alpha_threshold) pixel.a = 255;
else pixel.a = 0; else pixel.a = 0;
// Store color. // Store color.

4
src/nvtt/tools/compress.cpp
View File

@ -497,11 +497,11 @@ int main(int argc, char *argv[])
if (format == nvtt::Format_BC2) { if (format == nvtt::Format_BC2) {
// Dither alpha when using BC2. // Dither alpha when using BC2.
compressionOptions.setQuantization(false, true, false); compressionOptions.setQuantization(/*color dithering*/false, /*alpha dithering*/true, /*binary alpha*/false);
} }
else if (format == nvtt::Format_BC1a) { else if (format == nvtt::Format_BC1a) {
// Binary alpha when using BC1a. // Binary alpha when using BC1a.
compressionOptions.setQuantization(false, true, true, 127); compressionOptions.setQuantization(/*color dithering*/false, /*alpha dithering*/true, /*binary alpha*/true, 127);
} }
else if (format == nvtt::Format_RGBA) else if (format == nvtt::Format_RGBA)
{ {