DX12Shader.h

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//
// Created by zhou_zhengming on 2026/5/11.
//
 
#pragma once
#include "DX12Common.h"
#include "Resource/ResourceRef.h"
#include "Shader/BaseShaderComponent.h"
 
#include <d3d12.h>
#include <d3dcommon.h>
#include <memory>
#include <string>
#include <unordered_map>
 
namespace z8 {
class ResourceManager;
class DX12Shader {
  const BaseShaderComponent* Description;
public:
  ComPtr<ID3DBlob> ByteCode;
  explicit DX12Shader(const BaseShaderComponent* shader);
  void Compile();
  void CompileByFxc();
  void CompileByDxc();
  D3D12_SHADER_BYTECODE GetByteCode() const;
};
 
class DX12ShaderLibrary {
public:
  explicit DX12ShaderLibrary(ResourceManager& resources);
 
  bool IsCompiled = false;
 
  void CompileAll();
  DX12Shader* TryGet(ResourceRef<BaseShaderComponent> shader) const;
  size_t Size() const { return Binaries.size(); }
 
private:
  ResourceManager* Resources;
  std::unordered_map<ResourceRef<BaseShaderComponent>, std::unique_ptr<DX12Shader>,
                     ResourceRefHash<BaseShaderComponent>> Binaries;
};
 
}