aiden/video-shader-toys
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Add manifest support for pass declarations
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This commit is contained in:
Aiden
2026-05-08 17:19:30 +10:00
parent 87cb55b80b
commit 596d370f43
15 changed files with 362 additions and 128 deletions
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18
apps/LoopThroughWithOpenGLCompositing/shader/ShaderCompiler.cpp
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@@ -144,9 +144,19 @@ ShaderCompiler::ShaderCompiler(
}
bool ShaderCompiler::BuildLayerFragmentShaderSource(const ShaderPackage& shaderPackage, std::string& fragmentShaderSource, std::string& error) const
{
if (shaderPackage.passes.empty())
{
error = "Shader package has no render passes: " + shaderPackage.id;
return false;
}
return BuildPassFragmentShaderSource(shaderPackage, shaderPackage.passes.front(), fragmentShaderSource, error);
}
bool ShaderCompiler::BuildPassFragmentShaderSource(const ShaderPackage& shaderPackage, const ShaderPassDefinition& pass, std::string& fragmentShaderSource, std::string& error) const
{
std::string wrapperSource;
if (!BuildWrapperSlangSource(shaderPackage, wrapperSource, error))
if (!BuildWrapperSlangSource(shaderPackage, pass, wrapperSource, error))
return false;
if (!WriteTextFile(mWrapperPath, wrapperSource, error))
return false;
@@ -167,7 +177,7 @@ bool ShaderCompiler::BuildLayerFragmentShaderSource(const ShaderPackage& shaderP
return true;
}
bool ShaderCompiler::BuildWrapperSlangSource(const ShaderPackage& shaderPackage, std::string& wrapperSource, std::string& error) const
bool ShaderCompiler::BuildWrapperSlangSource(const ShaderPackage& shaderPackage, const ShaderPassDefinition& pass, std::string& wrapperSource, std::string& error) const
{
const std::filesystem::path templatePath = mRepoRoot / "runtime" / "templates" / "shader_wrapper.slang.in";
wrapperSource = ReadTextFile(templatePath, error);
@@ -183,8 +193,8 @@ bool ShaderCompiler::BuildWrapperSlangSource(const ShaderPackage& shaderPackage,
wrapperSource = ReplaceAll(wrapperSource, "{{TEXT_HELPERS}}", BuildTextHelpers(shaderPackage.parameters));
wrapperSource = ReplaceAll(wrapperSource, "{{SOURCE_HISTORY_SWITCH_CASES}}", BuildHistorySwitchCases("gSourceHistory", historySamplerCount));
wrapperSource = ReplaceAll(wrapperSource, "{{TEMPORAL_HISTORY_SWITCH_CASES}}", BuildHistorySwitchCases("gTemporalHistory", historySamplerCount));
wrapperSource = ReplaceAll(wrapperSource, "{{USER_SHADER_INCLUDE}}", shaderPackage.shaderPath.generic_string());
wrapperSource = ReplaceAll(wrapperSource, "{{ENTRY_POINT_CALL}}", shaderPackage.entryPoint + "(context)");
wrapperSource = ReplaceAll(wrapperSource, "{{USER_SHADER_INCLUDE}}", pass.sourcePath.generic_string());
wrapperSource = ReplaceAll(wrapperSource, "{{ENTRY_POINT_CALL}}", pass.entryPoint + "(context)");
return true;
}