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float3 specularFGD; // Store preconvoled BRDF for both specular and diffuse |
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float diffuseFGD; |
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// Area lights (17 VGPRs). Scalarize? |
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// Area lights (17 VGPRs) |
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float3x3 orthoBasisViewNormal; // Right-handed view-dependent orthogonal basis around the normal (6x VGPRs) |
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float3x3 ltcTransformDiffuse; // Inverse transformation for Lambertian or Disney Diffuse (4x VGPRs) |
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float3x3 ltcTransformSpecular; // Inverse transformation for GGX (4x VGPRs) |
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