108 lines
3.7 KiB
HLSL
108 lines
3.7 KiB
HLSL
#ifndef COMBINED_SHAPE_LIGHT_PASS
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#define COMBINED_SHAPE_LIGHT_PASS
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#include "Packages/com.unity.render-pipelines.universal/Shaders/2D/Include/SurfaceData2D.hlsl"
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#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Debug/Debugging2D.hlsl"
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half _HDREmulationScale;
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half _UseSceneLighting;
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half4 CombinedShapeLightShared(in SurfaceData2D surfaceData, in InputData2D inputData)
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{
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#if defined(DEBUG_DISPLAY)
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half4 debugColor = 0;
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if (CanDebugOverrideOutputColor(surfaceData, inputData, debugColor))
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{
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return debugColor;
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}
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#endif
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half alpha = surfaceData.alpha;
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half4 color = half4(surfaceData.albedo, alpha);
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const half4 mask = surfaceData.mask;
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const half2 lightingUV = inputData.lightingUV;
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if (alpha == 0.0)
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discard;
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#if USE_SHAPE_LIGHT_TYPE_0
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half4 shapeLight0 = SAMPLE_TEXTURE2D(_ShapeLightTexture0, sampler_ShapeLightTexture0, lightingUV);
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if (any(_ShapeLightMaskFilter0))
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{
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half4 processedMask = (1 - _ShapeLightInvertedFilter0) * mask + _ShapeLightInvertedFilter0 * (1 - mask);
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shapeLight0 *= dot(processedMask, _ShapeLightMaskFilter0);
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}
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half4 shapeLight0Modulate = shapeLight0 * _ShapeLightBlendFactors0.x;
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half4 shapeLight0Additive = shapeLight0 * _ShapeLightBlendFactors0.y;
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#else
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half4 shapeLight0Modulate = 0;
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half4 shapeLight0Additive = 0;
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#endif
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#if USE_SHAPE_LIGHT_TYPE_1
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half4 shapeLight1 = SAMPLE_TEXTURE2D(_ShapeLightTexture1, sampler_ShapeLightTexture1, lightingUV);
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if (any(_ShapeLightMaskFilter1))
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{
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half4 processedMask = (1 - _ShapeLightInvertedFilter1) * mask + _ShapeLightInvertedFilter1 * (1 - mask);
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shapeLight1 *= dot(processedMask, _ShapeLightMaskFilter1);
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}
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half4 shapeLight1Modulate = shapeLight1 * _ShapeLightBlendFactors1.x;
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half4 shapeLight1Additive = shapeLight1 * _ShapeLightBlendFactors1.y;
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#else
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half4 shapeLight1Modulate = 0;
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half4 shapeLight1Additive = 0;
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#endif
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#if USE_SHAPE_LIGHT_TYPE_2
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half4 shapeLight2 = SAMPLE_TEXTURE2D(_ShapeLightTexture2, sampler_ShapeLightTexture2, lightingUV);
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if (any(_ShapeLightMaskFilter2))
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{
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half4 processedMask = (1 - _ShapeLightInvertedFilter2) * mask + _ShapeLightInvertedFilter2 * (1 - mask);
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shapeLight2 *= dot(processedMask, _ShapeLightMaskFilter2);
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}
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half4 shapeLight2Modulate = shapeLight2 * _ShapeLightBlendFactors2.x;
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half4 shapeLight2Additive = shapeLight2 * _ShapeLightBlendFactors2.y;
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#else
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half4 shapeLight2Modulate = 0;
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half4 shapeLight2Additive = 0;
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#endif
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#if USE_SHAPE_LIGHT_TYPE_3
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half4 shapeLight3 = SAMPLE_TEXTURE2D(_ShapeLightTexture3, sampler_ShapeLightTexture3, lightingUV);
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if (any(_ShapeLightMaskFilter3))
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{
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half4 processedMask = (1 - _ShapeLightInvertedFilter3) * mask + _ShapeLightInvertedFilter3 * (1 - mask);
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shapeLight3 *= dot(processedMask, _ShapeLightMaskFilter3);
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}
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half4 shapeLight3Modulate = shapeLight3 * _ShapeLightBlendFactors3.x;
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half4 shapeLight3Additive = shapeLight3 * _ShapeLightBlendFactors3.y;
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#else
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half4 shapeLight3Modulate = 0;
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half4 shapeLight3Additive = 0;
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#endif
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half4 finalOutput;
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#if !USE_SHAPE_LIGHT_TYPE_0 && !USE_SHAPE_LIGHT_TYPE_1 && !USE_SHAPE_LIGHT_TYPE_2 && ! USE_SHAPE_LIGHT_TYPE_3
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finalOutput = color;
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#else
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half4 finalModulate = shapeLight0Modulate + shapeLight1Modulate + shapeLight2Modulate + shapeLight3Modulate;
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half4 finalAdditve = shapeLight0Additive + shapeLight1Additive + shapeLight2Additive + shapeLight3Additive;
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finalOutput = _HDREmulationScale * (color * finalModulate + finalAdditve);
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#endif
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finalOutput.a = alpha;
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finalOutput = lerp(color, finalOutput, _UseSceneLighting);
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return max(0, finalOutput);
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}
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#endif
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