mirror of
https://github.com/nillerusr/source-engine.git
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254 lines
8.7 KiB
C
254 lines
8.7 KiB
C
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//===========================================================================//
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#ifndef SHADERDEVICEDX10_H
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#define SHADERDEVICEDX10_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "shaderdevicebase.h"
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#include "tier1/utlvector.h"
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#include "tier1/utlrbtree.h"
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#include "tier1/utllinkedlist.h"
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//-----------------------------------------------------------------------------
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// Forward declaration
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//-----------------------------------------------------------------------------
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struct IDXGIFactory;
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struct IDXGIAdapter;
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struct IDXGIOutput;
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struct IDXGISwapChain;
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struct ID3D10Device;
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struct ID3D10RenderTargetView;
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struct ID3D10VertexShader;
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struct ID3D10PixelShader;
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struct ID3D10GeometryShader;
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struct ID3D10InputLayout;
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struct ID3D10ShaderReflection;
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//-----------------------------------------------------------------------------
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// The Base implementation of the shader device
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//-----------------------------------------------------------------------------
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class CShaderDeviceMgrDx10 : public CShaderDeviceMgrBase
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{
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typedef CShaderDeviceMgrBase BaseClass;
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public:
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// constructor, destructor
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CShaderDeviceMgrDx10();
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virtual ~CShaderDeviceMgrDx10();
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// Methods of IAppSystem
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virtual bool Connect( CreateInterfaceFn factory );
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virtual void Disconnect();
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virtual InitReturnVal_t Init();
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virtual void Shutdown();
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// Methods of IShaderDeviceMgr
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virtual int GetAdapterCount() const;
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virtual void GetAdapterInfo( int adapter, MaterialAdapterInfo_t& info ) const;
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virtual int GetModeCount( int nAdapter ) const;
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virtual void GetModeInfo( ShaderDisplayMode_t* pInfo, int nAdapter, int mode ) const;
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virtual void GetCurrentModeInfo( ShaderDisplayMode_t* pInfo, int nAdapter ) const;
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virtual bool SetAdapter( int nAdapter, int nFlags );
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virtual CreateInterfaceFn SetMode( void *hWnd, int nAdapter, const ShaderDeviceInfo_t& mode );
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private:
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// Initialize adapter information
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void InitAdapterInfo();
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// Determines hardware caps from D3D
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bool ComputeCapsFromD3D( HardwareCaps_t *pCaps, IDXGIAdapter *pAdapter, IDXGIOutput *pOutput );
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// Returns the amount of video memory in bytes for a particular adapter
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virtual int GetVidMemBytes( int nAdapter ) const;
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// Returns the appropriate adapter output to use
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IDXGIOutput* GetAdapterOutput( int nAdapter ) const;
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// Returns the adapter interface for a particular adapter
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IDXGIAdapter* GetAdapter( int nAdapter ) const;
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// Used to enumerate adapters, attach to windows
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IDXGIFactory *m_pDXGIFactory;
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bool m_bObeyDxCommandlineOverride: 1;
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friend class CShaderDeviceDx10;
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};
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//-----------------------------------------------------------------------------
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// The Dx10 implementation of the shader device
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//-----------------------------------------------------------------------------
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class CShaderDeviceDx10 : public CShaderDeviceBase
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{
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public:
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// constructor, destructor
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CShaderDeviceDx10();
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virtual ~CShaderDeviceDx10();
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public:
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// Methods of IShaderDevice
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virtual bool IsUsingGraphics() const;
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virtual int GetCurrentAdapter() const;
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virtual ImageFormat GetBackBufferFormat() const;
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virtual void GetBackBufferDimensions( int& width, int& height ) const;
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virtual void SpewDriverInfo() const;
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virtual void Present();
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virtual IShaderBuffer* CompileShader( const char *pProgram, size_t nBufLen, const char *pShaderVersion );
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virtual VertexShaderHandle_t CreateVertexShader( IShaderBuffer *pShader );
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virtual void DestroyVertexShader( VertexShaderHandle_t hShader );
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virtual GeometryShaderHandle_t CreateGeometryShader( IShaderBuffer* pShaderBuffer );
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virtual void DestroyGeometryShader( GeometryShaderHandle_t hShader );
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virtual PixelShaderHandle_t CreatePixelShader( IShaderBuffer* pShaderBuffer );
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virtual void DestroyPixelShader( PixelShaderHandle_t hShader );
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virtual void ReleaseResources() {}
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virtual void ReacquireResources() {}
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virtual IMesh* CreateStaticMesh( VertexFormat_t format, const char *pTextureBudgetGroup, IMaterial * pMaterial );
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virtual void DestroyStaticMesh( IMesh* mesh );
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virtual IVertexBuffer *CreateVertexBuffer( ShaderBufferType_t type, VertexFormat_t fmt, int nVertexCount, const char *pTextureBudgetGroup );
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virtual void DestroyVertexBuffer( IVertexBuffer *pVertexBuffer );
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virtual IIndexBuffer *CreateIndexBuffer( ShaderBufferType_t type, MaterialIndexFormat_t fmt, int nIndexCount, const char *pTextureBudgetGroup );
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virtual void DestroyIndexBuffer( IIndexBuffer *pIndexBuffer );
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virtual IVertexBuffer *GetDynamicVertexBuffer( int nStreamID, VertexFormat_t vertexFormat, bool bBuffered = true );
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virtual IIndexBuffer *GetDynamicIndexBuffer( MaterialIndexFormat_t fmt, bool bBuffered = true );
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virtual void SetHardwareGammaRamp( float fGamma, float fGammaTVRangeMin, float fGammaTVRangeMax, float fGammaTVExponent, bool bTVEnabled );
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// A special path used to tick the front buffer while loading on the 360
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virtual void EnableNonInteractiveMode( MaterialNonInteractiveMode_t mode, ShaderNonInteractiveInfo_t *pInfo ) {}
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virtual void RefreshFrontBufferNonInteractive( ) {}
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virtual void HandleThreadEvent( uint32 threadEvent ) {}
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public:
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// Methods of CShaderDeviceBase
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virtual bool InitDevice( void *hWnd, int nAdapter, const ShaderDeviceInfo_t& mode );
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virtual void ShutdownDevice();
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virtual bool IsDeactivated() const { return false; }
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// Other public methods
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ID3D10VertexShader* GetVertexShader( VertexShaderHandle_t hShader ) const;
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ID3D10GeometryShader* GetGeometryShader( GeometryShaderHandle_t hShader ) const;
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ID3D10PixelShader* GetPixelShader( PixelShaderHandle_t hShader ) const;
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ID3D10InputLayout* GetInputLayout( VertexShaderHandle_t hShader, VertexFormat_t format );
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private:
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struct InputLayout_t
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{
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ID3D10InputLayout *m_pInputLayout;
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VertexFormat_t m_VertexFormat;
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};
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typedef CUtlRBTree< InputLayout_t, unsigned short > InputLayoutDict_t;
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static bool InputLayoutLessFunc( const InputLayout_t &lhs, const InputLayout_t &rhs )
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{
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return ( lhs.m_VertexFormat < rhs.m_VertexFormat );
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}
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struct VertexShader_t
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{
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ID3D10VertexShader *m_pShader;
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ID3D10ShaderReflection *m_pInfo;
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void *m_pByteCode;
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size_t m_nByteCodeLen;
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InputLayoutDict_t m_InputLayouts;
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VertexShader_t() : m_InputLayouts( 0, 0, InputLayoutLessFunc ) {}
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};
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struct GeometryShader_t
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{
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ID3D10GeometryShader *m_pShader;
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ID3D10ShaderReflection *m_pInfo;
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};
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struct PixelShader_t
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{
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ID3D10PixelShader *m_pShader;
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ID3D10ShaderReflection *m_pInfo;
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};
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typedef CUtlFixedLinkedList< VertexShader_t >::IndexType_t VertexShaderIndex_t;
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typedef CUtlFixedLinkedList< GeometryShader_t >::IndexType_t GeometryShaderIndex_t;
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typedef CUtlFixedLinkedList< PixelShader_t >::IndexType_t PixelShaderIndex_t;
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void SetupHardwareCaps();
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void ReleaseInputLayouts( VertexShaderIndex_t nIndex );
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IDXGIOutput *m_pOutput;
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ID3D10Device *m_pDevice;
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IDXGISwapChain *m_pSwapChain;
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ID3D10RenderTargetView *m_pRenderTargetView;
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CUtlFixedLinkedList< VertexShader_t > m_VertexShaderDict;
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CUtlFixedLinkedList< GeometryShader_t > m_GeometryShaderDict;
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CUtlFixedLinkedList< PixelShader_t > m_PixelShaderDict;
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friend ID3D10Device *D3D10Device();
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friend IDXGISwapChain *D3D10SwapChain();
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friend ID3D10RenderTargetView *D3D10RenderTargetView();
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};
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//-----------------------------------------------------------------------------
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// Inline methods of CShaderDeviceDx10
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//-----------------------------------------------------------------------------
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inline ID3D10VertexShader* CShaderDeviceDx10::GetVertexShader( VertexShaderHandle_t hShader ) const
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{
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if ( hShader != VERTEX_SHADER_HANDLE_INVALID )
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return m_VertexShaderDict[ (VertexShaderIndex_t)hShader ].m_pShader;
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return NULL;
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}
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inline ID3D10GeometryShader* CShaderDeviceDx10::GetGeometryShader( GeometryShaderHandle_t hShader ) const
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{
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if ( hShader != GEOMETRY_SHADER_HANDLE_INVALID )
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return m_GeometryShaderDict[ (GeometryShaderIndex_t)hShader ].m_pShader;
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return NULL;
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}
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inline ID3D10PixelShader* CShaderDeviceDx10::GetPixelShader( PixelShaderHandle_t hShader ) const
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{
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if ( hShader != PIXEL_SHADER_HANDLE_INVALID )
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return m_PixelShaderDict[ (PixelShaderIndex_t)hShader ].m_pShader;
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Singleton
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//-----------------------------------------------------------------------------
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extern CShaderDeviceDx10* g_pShaderDeviceDx10;
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//-----------------------------------------------------------------------------
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// Utility methods
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//-----------------------------------------------------------------------------
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inline ID3D10Device *D3D10Device()
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{
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return g_pShaderDeviceDx10->m_pDevice;
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}
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inline IDXGISwapChain *D3D10SwapChain()
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{
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return g_pShaderDeviceDx10->m_pSwapChain;
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}
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inline ID3D10RenderTargetView *D3D10RenderTargetView()
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{
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return g_pShaderDeviceDx10->m_pRenderTargetView;
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}
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#endif // SHADERDEVICEDX10_H
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