Function ConvertRGBToCoCg_Y

trinity/Tr2DxtCompressor.cpp:45–58

}

void ConvertRGBToCoCg_Y( uint8_t* image, int width, int height )
{
	for( int i = 0; i < width * height; i++ )
	{
		int r = image[i * 4 + 0];
		int g = image[i * 4 + 1];
		int b = image[i * 4 + 2];
		int a = image[i * 4 + 3];
		image[i * 4 + 0] = CLAMP_BYTE( RGB_TO_YCOCG_CO( r, g, b ) + 128 );
		image[i * 4 + 1] = CLAMP_BYTE( RGB_TO_YCOCG_CG( r, g, b ) + 128 );
		image[i * 4 + 2] = a;
		image[i * 4 + 3] = CLAMP_BYTE( RGB_TO_YCOCG_Y( r, g, b ) );
	}
}

void ConvertCoCg_YToRGB( uint8_t* image, int width, int height )
{