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49 行
2.1 KiB
49 行
2.1 KiB
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//-------------------------------------------------------------------------------------
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// Fill SurfaceData/Builtin data function
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//-------------------------------------------------------------------------------------
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void DoAlphaTest(float alpha, float alphaCutoff)
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{
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// Don't do the clip when rendering forward opaque (unlit). Forward opaque always have a prepass (with depth test on)
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#if !(SHADERPASS == SHADERPASS_FORWARD_UNLIT && defined(SURFACE_TYPE_OPAQUE))
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clip(alpha - alphaCutoff);
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#endif
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}
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void GetSurfaceAndBuiltinData(FragInputs input, float3 V, inout PositionInputs posInput, out SurfaceData surfaceData, out BuiltinData builtinData)
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{
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surfaceData.color = SAMPLE_TEXTURE2D(_ColorMap, sampler_ColorMap, input.texCoord0).rgb * _Color.rgb;
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float alpha = SAMPLE_TEXTURE2D(_ColorMap, sampler_ColorMap, input.texCoord0).a * _Color.a;
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#ifdef _ALPHATEST_ON
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DoAlphaTest(alpha, _AlphaCutoff);
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#endif
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// Builtin Data
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builtinData.opacity = alpha;
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builtinData.bakeDiffuseLighting = float3(0.0, 0.0, 0.0);
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// Emissive Intensity is only use here, but is part of BuiltinData to enforce UI parameters as we want the users to fill one color and one intensity
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builtinData.emissiveIntensity = _EmissiveIntensity;
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#ifdef _EMISSIVE_COLOR_MAP
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builtinData.emissiveColor = SAMPLE_TEXTURE2D(_EmissiveColorMap, sampler_EmissiveColorMap, input.texCoord0).rgb * _EmissiveColor * builtinData.emissiveIntensity;
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#else
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builtinData.emissiveColor = _EmissiveColor * builtinData.emissiveIntensity;
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#endif
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builtinData.velocity = float2(0.0, 0.0);
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#if (SHADERPASS == SHADERPASS_DISTORTION) || defined(DEBUG_DISPLAY)
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float3 distortion = SAMPLE_TEXTURE2D(_DistortionVectorMap, sampler_DistortionVectorMap, input.texCoord0).rgb;
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builtinData.distortion = distortion.rg * _DistortionScale;
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builtinData.distortionBlur = clamp(distortion.b * _DistortionBlurScale, 0.0, 1.0) * (_DistortionBlurRemapMax - _DistortionBlurRemapMin) + _DistortionBlurRemapMin;
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#else
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builtinData.distortion = float2(0.0, 0.0);
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builtinData.distortionBlur = 0.0;
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#endif
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builtinData.depthOffset = 0.0;
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}
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