Add pipeline layout support for graphics PSOs

engine/include/XCEngine/RHI/OpenGL/OpenGLPipelineLayout.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "../RHIPipelineLayout.h"
+
+namespace XCEngine {
+namespace RHI {
+
+class OpenGLPipelineLayout : public RHIPipelineLayout {
+public:
+    OpenGLPipelineLayout() = default;
+    ~OpenGLPipelineLayout() override = default;
+
+    bool Initialize(const RHIPipelineLayoutDesc& desc) override;
+    void Shutdown() override;
+
+    void* GetNativeHandle() override { return m_initialized ? this : nullptr; }
+    const RHIPipelineLayoutDesc& GetDesc() const { return m_desc; }
+
+private:
+    RHIPipelineLayoutDesc m_desc = {};
+    bool m_initialized = false;
+};
+
+} // namespace RHI
+} // namespace XCEngine

engine/include/XCEngine/RHI/RHITypes.h

@@ -9,6 +9,8 @@
 namespace XCEngine {
 namespace RHI {
 
+class RHIPipelineLayout;
+
 struct Viewport {
     float topLeftX;
     float topLeftY;
@@ -310,6 +312,7 @@ struct GraphicsPipelineDesc {
     ShaderCompileDesc         vertexShader;
     ShaderCompileDesc         fragmentShader;
     ShaderCompileDesc         geometryShader;
+    RHIPipelineLayout*        pipelineLayout = nullptr;
     InputLayoutDesc           inputLayout;
     RasterizerDesc            rasterizerState;
     BlendDesc                 blendState;