Justin Marshall
38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
{
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parms {
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}
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state {
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depthfunc GL_ALWAYS
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depthmask
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twosided
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}
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hlsl_vp {
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result.position = vertex.position;
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}
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hlsl_fp {
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// On the PC, fragment.position.xy will always have a 0.5,
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// like 0.5, 1.5, 2.5 ... 1279.5
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// On the 360, it will always be an integer.
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float2 texcoord = screenPosToTexcoord( fragment.position.xy, $positionToViewTexture );
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float2 translate = $positionToViewTexture.zw;
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float4 luminance = tex2D( $adaptiveLuminance, texcoord.xy );
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float3 glare = tex2D( $glareMap, texcoord.xy ).xyz;
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float3 total = tex2D( $viewColorMap, texcoord.xy ).xyz;
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// add our emissive glare objects
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total = total * 0.5;
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const float minThreshold = $adaptiveGlareParms.x;
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const float maxThreshold = $adaptiveGlareParms.y;
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const float avgSceneBrightness = $adaptiveGlareParms.z;
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float threshold = lerp( minThreshold, maxThreshold, luminance.x );
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total *= ( avgSceneBrightness / threshold );
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float3 finalColor = saturate( total - _float3( threshold ) - _float3( $adaptiveGlareThreshold.x ) );
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result.color.xyz = finalColor.xyz * $adaptiveGlareColor.xyz + glare * 4.0;
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result.color.w = 1.0;
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}
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} |