Refactor

apps/LoopThroughWithOpenGLCompositing/shader/ShaderCompiler.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "ShaderTypes.h"
+
+#include <filesystem>
+#include <string>
+
+class ShaderCompiler
+{
+public:
+	ShaderCompiler(
+		const std::filesystem::path& repoRoot,
+		const std::filesystem::path& wrapperPath,
+		const std::filesystem::path& generatedGlslPath,
+		const std::filesystem::path& patchedGlslPath,
+		unsigned maxTemporalHistoryFrames);
+
+	bool BuildLayerFragmentShaderSource(const ShaderPackage& shaderPackage, std::string& fragmentShaderSource, std::string& error) const;
+
+private:
+	bool BuildWrapperSlangSource(const ShaderPackage& shaderPackage, std::string& wrapperSource, std::string& error) const;
+	bool FindSlangCompiler(std::filesystem::path& compilerPath, std::string& error) const;
+	bool RunSlangCompiler(const std::filesystem::path& wrapperPath, const std::filesystem::path& outputPath, std::string& error) const;
+	bool PatchGeneratedGlsl(std::string& shaderText, std::string& error) const;
+	std::string ReadTextFile(const std::filesystem::path& path, std::string& error) const;
+	bool WriteTextFile(const std::filesystem::path& path, const std::string& contents, std::string& error) const;
+
+private:
+	std::filesystem::path mRepoRoot;
+	std::filesystem::path mWrapperPath;
+	std::filesystem::path mGeneratedGlslPath;
+	std::filesystem::path mPatchedGlslPath;
+	unsigned mMaxTemporalHistoryFrames;
+};