Big code changes

engine/src/shader.hpp

@@ -0,0 +1,51 @@
+#pragma once
+
+#include <memory>
+#include <sophia/types.hpp>
+#include <string>
+#include <vector>
+
+namespace sophia {
+
+enum class ShaderStage { VERTEX, FRAGMENT, COMPUTE };
+
+class Shader {
+ public:
+  class Builder;
+
+  Shader(const Shader&) = delete;
+  Shader& operator=(const Shader&) = delete;
+
+  ~Shader() = default;
+
+  const std::vector<u32>& getSpirv() const { return this->spirv; }
+  ShaderStage getStage() const { return this->stage; }
+
+ private:
+  Shader() = default;
+
+  void compile(const std::string& path, ShaderStage shaderStage);
+  void load(const std::string& path, ShaderStage shaderStage);
+
+  ShaderStage stage;
+  std::vector<u32> spirv;
+};
+
+class Shader::Builder {
+ public:
+  Builder() = default;
+
+  Builder& fromGLSL(const std::string& path);
+  Builder& fromSPIRV(const std::string& path);
+  Builder& setStage(ShaderStage shaderStage);
+
+  std::unique_ptr<Shader> build();
+
+ private:
+  std::string path;
+  ShaderStage stage;
+  bool stageSet = false;
+  bool precompiled = false;
+};
+
+}  // namespace sophia