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Setup wanted variant + add correct decoding code

/RenderPassXR_Sandbox
sebastienlagarde 7 年前
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42e69f08
共有 1 个文件被更改，包括 34 次插入 和 30 次删除
  1. 64
      Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.hlsl

64
Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.hlsl
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// Configure what kind of combination is supported
//-----------------------------------------------------------------------------
// Only include material classification code if it it requested. Just check LIGHTFEATUREFLAGS_MASK define for this
#ifdef LIGHTFEATUREFLAGS_MASK
// Only include material classification code if it it requested. Just check LIGHT_FEATURE_MASK_FLAGS define for this
#ifdef NUM_FEATURE_VARIANTS
/* 0 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_STANDARD
/* 1 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_STANDARD
/* 2 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_STANDARD
/* 3 */ LIGHTFEATUREFLAGS_MASK | MATERIALFEATUREFLAGS_LIT_STANDARD
/* 0 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_STANDARD | MATERIALFEATUREFLAGS_LIT_SPECULAR,
/* 1 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_STANDARD | MATERIALFEATUREFLAGS_LIT_SPECULAR,
/* 2 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_STANDARD | MATERIALFEATUREFLAGS_LIT_SPECULAR,
/* 3 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_STANDARD | MATERIALFEATUREFLAGS_LIT_SPECULAR,
/* 4 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_SSS
/* 5 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_SSS
/* 6 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_SSS
/* 7 */ LIGHTFEATUREFLAGS_MASK | MATERIALFEATUREFLAGS_LIT_SSS
/* 4 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_SSS,
/* 5 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_SSS,
/* 6 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_SSS,
/* 7 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_SSS,
/* 8 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_ANISO | MATERIALFEATUREFLAGS_LIT_SPECULAR
/* 9 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_ANISO | MATERIALFEATUREFLAGS_LIT_SPECULAR
/* 10 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_ANISO | MATERIALFEATUREFLAGS_LIT_SPECULAR
/* 11 */ LIGHTFEATUREFLAGS_MASK | MATERIALFEATUREFLAGS_LIT_ANISO | MATERIALFEATUREFLAGS_LIT_SPECULAR
/* 8 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_ANISO,
/* 9 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_ANISO,
/* 10 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_ANISO,
/* 11 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_ANISO | MATERIALFEATUREFLAGS_LIT_SPECULAR,
/* 12 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_UNUSED0
/* 13 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_UNUSED0
/* 14 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_UNUSED0
///* 15 */ LIGHTFEATUREFLAGS_MASK | MATERIALFEATUREFLAGS_LIT_UNUSED0
/* 15 */ 0xFFFFFFFF // LIGHTFEATUREFLAGS_MASK | MATERIALFEATUREFLAGS_MASK, // Catch all case, but should not be needed
/* 12 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_UNUSED0,
/* 13 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_UNUSED0,
/* 14 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_UNUSED0,
///* 15 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_UNUSED0
/* 15 */ 0xFFFFFFFF // LIGHT_FEATURE_MASK_FLAGS | MATERIAL_FEATURE_MASK_FLAGS, // Catch all case, but should not be needed
};
uint FeatureFlagsToTileVariant(uint featureFlags)

return kFeatureVariantFlags[variant];
}
#endif // LIGHTFEATUREFLAGS_MASK
#endif // LIGHT_FEATURE_MASK_FLAGS
//-----------------------------------------------------------------------------
// Helper functions/variable specific to this material

bsdfData.roughness = PerceptualRoughnessToRoughness(bsdfData.perceptualRoughness);
// The material features system for material classification must allow compile time optimization (i.e everything should be static)
// The code below define materialId based on material features so compiler know what to do.
// However as we store materialId for Aniso and Specular based on content of RT2, not just materialId, then we need to add severals condition.
// Goal of all this additional condition is to allow the compiler to optimize path that are not use.
// Note that the code is also call from MaterialFeatureFlagsFromGBuffer, so must work fully dynamic if featureFlags is 0xFFFF
// Aniso and Specular are encoded like standard + RT2 values
bsdfData.materialId = UnpackMaterialId(inGBuffer1.a); // only fetch materialid if it is not statically known from feature flags
// only fetch materialid if it is not statically known from feature flags
bsdfData.materialId = UnpackMaterialId(inGBuffer1.a);
}
else
{

bsdfData.materialId = MATERIALID_LIT_SSS;
}
if (supportsStandard && bsdfData.materialId == MATERIALID_LIT_STANDARD)
if (bsdfData.materialId == MATERIALID_LIT_STANDARD)
{
float metallic;
int specular;

}
}
else // if (supportsSSS && bsdfData.materialId == MATERIALID_LIT_SSS)
else // bsdfData.materialId == MATERIALID_LIT_SSS
{
float subsurfaceRadius = inGBuffer2.x;
float thickness = inGBuffer2.y;

DecodeFromGBuffer(
#if SHADEROPTIONS_PACK_GBUFFER_IN_U16
GBufferType0 inGBufferU0,
GBufferType1 inGBufferU1,
inGBufferU0, inGBufferU1,
GBufferType0 inGBuffer0,
GBufferType1 inGBuffer1,
GBufferType2 inGBuffer2,
GBufferType3 inGBuffer3,
inGBuffer0, inGBuffer1, inGBuffer2, inGBuffer3,
#endif
0xFFFFFFFF,
bsdfData,

return 1 << materialId; // This match all the MATERIALFEATUREFLAGS_LIT_XXX flag
return (1 << bsdfData.materialId); // This match all the MATERIALFEATUREFLAGS_LIT_XXX flag
}

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