Fix RHI constant binding and add sphere test

engine/include/XCEngine/RHI/D3D12/D3D12DescriptorHeap.h

@@ -33,6 +33,7 @@ public:
     GPUDescriptorHandle GetGPUDescriptorHandle(uint32_t index);
     uint32_t GetDescriptorCount() const override;
     DescriptorHeapType GetType() const override;
+    bool IsShaderVisible() const { return m_shaderVisible; }
 
     uint32_t GetDescriptorSize() const { return m_descriptorSize; }
     D3D12_CPU_DESCRIPTOR_HANDLE GetCPUDescriptorHandleForHeapStart() const;

engine/include/XCEngine/RHI/D3D12/D3D12DescriptorSet.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <d3d12.h>
+#include <memory>
 #include <wrl/client.h>
 #include <vector>
 
@@ -13,6 +14,7 @@ namespace XCEngine {
 namespace RHI {
 
 class D3D12DescriptorHeap;
+class D3D12Buffer;
 
 class D3D12DescriptorSet : public RHIDescriptorSet {
 public:
@@ -41,6 +43,10 @@ public:
     uint32_t GetOffset() const { return m_offset; }
     uint32_t GetCount() const { return m_count; }
     D3D12DescriptorHeap* GetHeap() const { return m_heap; }
+    bool HasBindingType(DescriptorType type) const;
+    uint32_t GetFirstBindingOfType(DescriptorType type) const;
+    bool UploadConstantBuffer();
+    D3D12_GPU_VIRTUAL_ADDRESS GetConstantBufferGPUAddress() const;
 
 private:
     D3D12DescriptorHeap* m_heap;
@@ -50,7 +56,9 @@ private:
     DescriptorSetLayoutBinding* m_bindings;
     std::vector<uint8_t> m_constantBufferData;
     bool m_constantBufferDirty = false;
+    std::unique_ptr<D3D12Buffer> m_constantBuffer;
+    uint64_t m_constantBufferCapacity = 0;
 };
 
 } // namespace RHI
-} // namespace XCEngine
+} // namespace XCEngine

engine/include/XCEngine/RHI/D3D12/D3D12PipelineLayout.h

@@ -29,12 +29,14 @@ public:
 
     uint32_t GetRootParameterIndex(uint32_t shaderRegister) const;
     bool HasRootParameter(uint32_t shaderRegister) const;
+    const RHIPipelineLayoutDesc& GetDesc() const { return m_desc; }
 
 private:
     bool InitializeInternal(D3D12Device* device, const RHIPipelineLayoutDesc& desc);
 
     ComPtr<ID3D12RootSignature> m_rootSignature;
     D3D12Device* m_device;
+    RHIPipelineLayoutDesc m_desc = {};
     std::unordered_map<uint32_t, uint32_t> m_registerToRootIndex;
     std::vector<D3D12_ROOT_PARAMETER> m_rootParameters;
     std::vector<D3D12_DESCRIPTOR_RANGE> m_descriptorRanges;