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Add **Screen Space Reflections for transparent materials**

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This commit is contained in:
Wojtek Figat
2022-04-12 22:16:06 +02:00
parent e32ad93020
commit 58491e6d23
8 changed files with 207 additions and 11 deletions
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9
Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp
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@@ -398,6 +398,14 @@ bool MaterialGenerator::Generate(WriteStream& source, MaterialInfo& materialInfo
_writer.Write(TEXT("#define MATERIAL_MASK_THRESHOLD ({0})\n"), baseLayer->MaskThreshold);
_writer.Write(TEXT("#define CUSTOM_VERTEX_INTERPOLATORS_COUNT ({0})\n"), _vsToPsInterpolants.Count());
_writer.Write(TEXT("#define MATERIAL_OPACITY_THRESHOLD ({0})\n"), baseLayer->OpacityThreshold);
if (materialInfo.BlendMode != MaterialBlendMode::Opaque && !(materialInfo.FeaturesFlags & MaterialFeaturesFlags::DisableReflections) && materialInfo.FeaturesFlags & MaterialFeaturesFlags::ScreenSpaceReflections)
{
// Inject depth and color buffers for Screen Space Reflections used by transparent material
auto sceneDepthTexture = findOrAddSceneTexture(MaterialSceneTextures::SceneDepth);
auto sceneColorTexture = findOrAddSceneTexture(MaterialSceneTextures::SceneColor);
_writer.Write(TEXT("#define MATERIAL_REFLECTIONS_SSR_DEPTH ({0})\n"), sceneDepthTexture.ShaderName);
_writer.Write(TEXT("#define MATERIAL_REFLECTIONS_SSR_COLOR ({0})\n"), sceneColorTexture.ShaderName);
}
WRITE_FEATURES(Defines);
inputs[In_Defines] = _writer.ToString();
_writer.Clear();
@@ -447,6 +455,7 @@ bool MaterialGenerator::Generate(WriteStream& source, MaterialInfo& materialInfo
}
for (auto f : features)
{
// Process SRV slots used in template
const auto& text = Features[f].Inputs[(int32)FeatureTemplateInputsMapping::Resources];
const Char* str = text.Get();
int32 prevIdx = 0, idx = 0;