Remove errorThreshold.

src/nvtt/CompressDXT.cpp

@@ -364,9 +364,6 @@ void nv::compressBC4(const Image * image, const nvtt::OutputOptions::Private & o
 	const uint w = image->width();
 	const uint h = image->height();
 	
-	// threshold should be from [0 - 1] but may also be higher...
-	const uint threshold = uint(compressionOptions.errorThreshold * 256);
-	
 	ColorBlock rgba;
 	AlphaBlockDXT5 block;
 	

src/nvtt/CompressionOptions.cpp

@@ -71,10 +71,9 @@ void CompressionOptions::setFormat(Format format)
 
 
 /// Set compression quality settings.
-void CompressionOptions::setQuality(Quality quality, float errorThreshold /*= 0.5f*/)
+void CompressionOptions::setQuality(Quality quality)
 {
 	m.quality = quality;
-	m.errorThreshold = errorThreshold;
 }
 
 

src/nvtt/CompressionOptions.h

@@ -36,7 +36,6 @@ namespace nvtt
 		Format format;
 		
 		Quality quality;
-		float errorThreshold;	// deprecated.
 		
 		nv::Vector4 colorWeight;
 		

src/nvtt/nvtt.h

@@ -96,7 +96,7 @@ namespace nvtt
 		NVTT_API void reset();
 		
 		NVTT_API void setFormat(Format format);
-		NVTT_API void setQuality(Quality quality, float errorThreshold = 0.5f);
+		NVTT_API void setQuality(Quality quality);
 		NVTT_API void setColorWeights(float red, float green, float blue, float alpha = 1.0f);
 		
 		NVTT_DEPRECATED void enableHardwareCompression(bool enable);