aiden/video-shader-toys
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Multipass shaders

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Aiden
2026-05-12 17:08:35 +10:00
parent 1429b2e660
commit dfd49fd0e3
12 changed files with 392 additions and 72 deletions
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23
apps/RenderCadenceCompositor/runtime/RuntimeSlangShaderCompiler.cpp
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@@ -112,8 +112,6 @@ RuntimeSlangShaderBuild RuntimeSlangShaderCompiler::BuildShader(const std::strin
return build;
}
const ShaderPassDefinition& pass = shaderPackage.passes.front();
ShaderCompiler compiler(
repoRoot,
runtimeBuildDir / (shaderId + ".wrapper.slang"),
@@ -122,11 +120,22 @@ RuntimeSlangShaderBuild RuntimeSlangShaderCompiler::BuildShader(const std::strin
0);
const auto start = std::chrono::steady_clock::now();
if (!compiler.BuildPassFragmentShaderSource(shaderPackage, pass, build.artifact.fragmentShaderSource, error))
for (const ShaderPassDefinition& pass : shaderPackage.passes)
{
build.succeeded = false;
build.message = error.empty() ? "Slang compile failed." : error;
return build;
std::string fragmentShaderSource;
if (!compiler.BuildPassFragmentShaderSource(shaderPackage, pass, fragmentShaderSource, error))
{
build.succeeded = false;
build.message = error.empty() ? "Slang compile failed." : error;
return build;
}
RuntimeShaderPassArtifact passArtifact;
passArtifact.passId = pass.id;
passArtifact.fragmentShaderSource = std::move(fragmentShaderSource);
passArtifact.inputNames = pass.inputNames;
passArtifact.outputName = pass.outputName;
build.artifact.passes.push_back(std::move(passArtifact));
}
const auto end = std::chrono::steady_clock::now();
@@ -135,6 +144,8 @@ RuntimeSlangShaderBuild RuntimeSlangShaderCompiler::BuildShader(const std::strin
build.artifact.shaderId = shaderPackage.id;
build.artifact.displayName = shaderPackage.displayName;
build.artifact.parameterDefinitions = shaderPackage.parameters;
if (!build.artifact.passes.empty())
build.artifact.fragmentShaderSource = build.artifact.passes.front().fragmentShaderSource;
build.artifact.message = shaderPackage.displayName + " Slang compile completed in " + std::to_string(milliseconds) + " ms.";
build.message = build.artifact.message;
return build;