ShaderPermutationBinary.h

#pragma once
 
#include <Foundation/IO/DependencyFile.h>
#include <RendererCore/Declarations.h>
#include <RendererCore/Shader/ShaderStageBinary.h>
#include <RendererFoundation/Descriptors/Descriptors.h>
 
struct PL_RENDERERCORE_DLL plShaderStateResourceDescriptor
{
  plGALBlendStateCreationDescription m_BlendDesc;
  plGALDepthStencilStateCreationDescription m_DepthStencilDesc;
  plGALRasterizerStateCreationDescription m_RasterizerDesc;
 
  plResult Parse(const char* szSource);
  void Load(plStreamReader& inout_stream);
  void Save(plStreamWriter& inout_stream) const;
 
  plUInt32 CalculateHash() const;
};
 
class PL_RENDERERCORE_DLL plShaderPermutationBinary
{
public:
  plShaderPermutationBinary();
 
  plResult Write(plStreamWriter& inout_stream);
  plResult Read(plStreamReader& inout_stream, bool& out_bOldVersion);
 
  // Actual binary will be loaded from the hash via plShaderStageBinary::LoadStageBinary to produce plShaderStageBinary
  plUInt32 m_uiShaderStageHashes[plGALShaderStage::ENUM_COUNT];
 
  plDependencyFile m_DependencyFile;
 
  plShaderStateResourceDescriptor m_StateDescriptor;
 
  plHybridArray<plPermutationVar, 16> m_PermutationVars;
};