摘要:
一个RGB颜色的亮度和各个分量之间的关系的公式为:GrayValue = 0.3 * R + 0.59*G + 0.11 *B sampler2D Texture0;float4 ps_main( float2 texCoord : TEXCOORD0 ) : COLOR{ float4 _inColor = tex2D( Texture0, texCoord ); float h = 0.3*_inColor.x + 0.59*_inColor.y + 0.11*_inColor.z; float4 _outColor = float4(h,h,h,1.0); return _outC... 阅读全文