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407 lines
10 KiB
407 lines
10 KiB
//========= 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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// Utility class for building command buffers into memory |
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//===========================================================================// |
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#ifndef COMMANDBUILDER_H |
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#define COMMANDBUILDER_H |
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#ifndef COMMANDBUFFER_H |
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#include "shaderapi/commandbuffer.h" |
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#endif |
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#include "BaseVSShader.h" |
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#include "shaderapi/ishaderapi.h" |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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extern ConVar my_mat_fullbright; |
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template<int N> class CFixedCommandStorageBuffer |
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{ |
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public: |
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uint8 m_Data[N]; |
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uint8 *m_pDataOut; |
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#ifdef DBGFLAG_ASSERT |
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size_t m_nNumBytesRemaining; |
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#endif |
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FORCEINLINE CFixedCommandStorageBuffer( void ) |
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{ |
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m_pDataOut = m_Data; |
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#ifdef DBGFLAG_ASSERT |
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m_nNumBytesRemaining = N; |
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#endif |
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} |
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FORCEINLINE void EnsureCapacity( size_t sz ) |
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{ |
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Assert( m_nNumBytesRemaining >= sz ); |
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} |
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template<class T> FORCEINLINE void Put( T const &nValue ) |
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{ |
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EnsureCapacity( sizeof( T ) ); |
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*( reinterpret_cast<T *>( m_pDataOut ) ) = nValue; |
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m_pDataOut += sizeof( nValue ); |
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#ifdef DBGFLAG_ASSERT |
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m_nNumBytesRemaining -= sizeof( nValue ); |
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#endif |
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} |
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FORCEINLINE void PutInt( int nValue ) |
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{ |
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Put( nValue ); |
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} |
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FORCEINLINE void PutFloat( float nValue ) |
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{ |
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Put( nValue ); |
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} |
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FORCEINLINE void PutPtr( void * pPtr ) |
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{ |
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Put( pPtr ); |
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} |
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FORCEINLINE void PutMemory( const void *pMemory, size_t nBytes ) |
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{ |
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EnsureCapacity( nBytes ); |
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memcpy( m_pDataOut, pMemory, nBytes ); |
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m_pDataOut += nBytes; |
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} |
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FORCEINLINE uint8 *Base( void ) |
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{ |
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return m_Data; |
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} |
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FORCEINLINE void Reset( void ) |
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{ |
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m_pDataOut = m_Data; |
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#ifdef DBGFLAG_ASSERT |
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m_nNumBytesRemaining = N; |
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#endif |
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} |
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FORCEINLINE size_t Size( void ) const |
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{ |
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return m_pDataOut - m_Data; |
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} |
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}; |
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template<class S> class CCommandBufferBuilder |
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{ |
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public: |
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S m_Storage; |
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FORCEINLINE void End( void ) |
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{ |
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m_Storage.PutInt( CBCMD_END ); |
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} |
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FORCEINLINE IMaterialVar *Param( int nVar ) const |
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{ |
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return CBaseShader::s_ppParams[nVar]; |
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} |
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FORCEINLINE void SetPixelShaderConstants( int nFirstConstant, int nConstants ) |
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{ |
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m_Storage.PutInt( CBCMD_SET_PIXEL_SHADER_FLOAT_CONST ); |
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m_Storage.PutInt( nFirstConstant ); |
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m_Storage.PutInt( nConstants ); |
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} |
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FORCEINLINE void OutputConstantData( float const *pSrcData ) |
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{ |
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m_Storage.PutFloat( pSrcData[0] ); |
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m_Storage.PutFloat( pSrcData[1] ); |
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m_Storage.PutFloat( pSrcData[2] ); |
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m_Storage.PutFloat( pSrcData[3] ); |
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} |
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FORCEINLINE void OutputConstantData4( float flVal0, float flVal1, float flVal2, float flVal3 ) |
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{ |
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m_Storage.PutFloat( flVal0 ); |
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m_Storage.PutFloat( flVal1 ); |
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m_Storage.PutFloat( flVal2 ); |
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m_Storage.PutFloat( flVal3 ); |
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} |
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FORCEINLINE void SetPixelShaderConstant( int nFirstConstant, float const *pSrcData, int nNumConstantsToSet ) |
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{ |
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SetPixelShaderConstants( nFirstConstant, nNumConstantsToSet ); |
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m_Storage.PutMemory( pSrcData, 4 * sizeof( float ) * nNumConstantsToSet ); |
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} |
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FORCEINLINE void SetPixelShaderConstant( int nFirstConstant, int nVar ) |
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{ |
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SetPixelShaderConstant( nFirstConstant, Param( nVar )->GetVecValue() ); |
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} |
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void SetPixelShaderConstantGammaToLinear( int pixelReg, int constantVar ) |
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{ |
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float val[4]; |
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Param(constantVar)->GetVecValue( val, 3 ); |
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val[0] = val[0] > 1.0f ? val[0] : GammaToLinear( val[0] ); |
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val[1] = val[1] > 1.0f ? val[1] : GammaToLinear( val[1] ); |
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val[2] = val[2] > 1.0f ? val[2] : GammaToLinear( val[2] ); |
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val[3] = 1.0; |
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SetPixelShaderConstant( pixelReg, val ); |
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} |
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FORCEINLINE void SetPixelShaderConstant( int nFirstConstant, float const *pSrcData ) |
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{ |
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SetPixelShaderConstants( nFirstConstant, 1 ); |
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OutputConstantData( pSrcData ); |
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} |
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FORCEINLINE void SetPixelShaderConstant4( int nFirstConstant, float flVal0, float flVal1, float flVal2, float flVal3 ) |
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{ |
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SetPixelShaderConstants( nFirstConstant, 1 ); |
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OutputConstantData4( flVal0, flVal1, flVal2, flVal3 ); |
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} |
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FORCEINLINE void SetPixelShaderConstant_W( int pixelReg, int constantVar, float fWValue ) |
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{ |
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if ( constantVar != -1 ) |
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{ |
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float val[3]; |
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Param(constantVar)->GetVecValue( val, 3); |
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SetPixelShaderConstant4( pixelReg, val[0], val[1], val[2], fWValue ); |
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} |
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} |
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FORCEINLINE void SetVertexShaderConstant( int nFirstConstant, float const *pSrcData ) |
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{ |
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m_Storage.PutInt( CBCMD_SET_VERTEX_SHADER_FLOAT_CONST ); |
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m_Storage.PutInt( nFirstConstant ); |
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m_Storage.PutInt( 1 ); |
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OutputConstantData( pSrcData ); |
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} |
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FORCEINLINE void SetVertexShaderConstant( int nFirstConstant, float const *pSrcData, int nConsts ) |
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{ |
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m_Storage.PutInt( CBCMD_SET_VERTEX_SHADER_FLOAT_CONST ); |
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m_Storage.PutInt( nFirstConstant ); |
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m_Storage.PutInt( nConsts ); |
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m_Storage.PutMemory( pSrcData, 4 * nConsts * sizeof( float ) ); |
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} |
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FORCEINLINE void SetVertexShaderConstant4( int nFirstConstant, float flVal0, float flVal1, float flVal2, float flVal3 ) |
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{ |
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m_Storage.PutInt( CBCMD_SET_VERTEX_SHADER_FLOAT_CONST ); |
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m_Storage.PutInt( nFirstConstant ); |
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m_Storage.PutInt( 1 ); |
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m_Storage.PutFloat( flVal0 ); |
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m_Storage.PutFloat( flVal1 ); |
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m_Storage.PutFloat( flVal2 ); |
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m_Storage.PutFloat( flVal3 ); |
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} |
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void SetVertexShaderTextureTransform( int vertexReg, int transformVar ) |
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{ |
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Vector4D transformation[2]; |
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IMaterialVar* pTransformationVar = Param( transformVar ); |
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if (pTransformationVar && (pTransformationVar->GetType() == MATERIAL_VAR_TYPE_MATRIX)) |
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{ |
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const VMatrix &mat = pTransformationVar->GetMatrixValue(); |
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transformation[0].Init( mat[0][0], mat[0][1], mat[0][2], mat[0][3] ); |
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transformation[1].Init( mat[1][0], mat[1][1], mat[1][2], mat[1][3] ); |
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} |
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else |
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{ |
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transformation[0].Init( 1.0f, 0.0f, 0.0f, 0.0f ); |
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transformation[1].Init( 0.0f, 1.0f, 0.0f, 0.0f ); |
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} |
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SetVertexShaderConstant( vertexReg, transformation[0].Base(), 2 ); |
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} |
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void SetVertexShaderTextureScaledTransform( int vertexReg, int transformVar, int scaleVar ) |
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{ |
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Vector4D transformation[2]; |
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IMaterialVar* pTransformationVar = Param( transformVar ); |
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if (pTransformationVar && (pTransformationVar->GetType() == MATERIAL_VAR_TYPE_MATRIX)) |
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{ |
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const VMatrix &mat = pTransformationVar->GetMatrixValue(); |
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transformation[0].Init( mat[0][0], mat[0][1], mat[0][2], mat[0][3] ); |
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transformation[1].Init( mat[1][0], mat[1][1], mat[1][2], mat[1][3] ); |
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} |
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else |
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{ |
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transformation[0].Init( 1.0f, 0.0f, 0.0f, 0.0f ); |
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transformation[1].Init( 0.0f, 1.0f, 0.0f, 0.0f ); |
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} |
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Vector2D scale( 1, 1 ); |
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IMaterialVar* pScaleVar = Param( scaleVar ); |
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if (pScaleVar) |
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{ |
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if (pScaleVar->GetType() == MATERIAL_VAR_TYPE_VECTOR) |
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pScaleVar->GetVecValue( scale.Base(), 2 ); |
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else if (pScaleVar->IsDefined()) |
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scale[0] = scale[1] = pScaleVar->GetFloatValue(); |
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} |
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// Apply the scaling |
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transformation[0][0] *= scale[0]; |
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transformation[0][1] *= scale[1]; |
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transformation[1][0] *= scale[0]; |
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transformation[1][1] *= scale[1]; |
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transformation[0][3] *= scale[0]; |
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transformation[1][3] *= scale[1]; |
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SetVertexShaderConstant( vertexReg, transformation[0].Base(), 2 ); |
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} |
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FORCEINLINE void SetEnvMapTintPixelShaderDynamicState( int pixelReg, int tintVar ) |
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{ |
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if( g_pConfig->bShowSpecular && my_mat_fullbright.GetInt() != 2 ) |
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{ |
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SetPixelShaderConstant( pixelReg, Param( tintVar)->GetVecValue() ); |
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} |
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else |
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{ |
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SetPixelShaderConstant4( pixelReg, 0.0, 0.0, 0.0, 0.0 ); |
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} |
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} |
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FORCEINLINE void SetEnvMapTintPixelShaderDynamicStateGammaToLinear( int pixelReg, int tintVar, float flAlphaValue = 1.0 ) |
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{ |
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if( ( tintVar != -1 ) && g_pConfig->bShowSpecular && my_mat_fullbright.GetInt() != 2 ) |
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{ |
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float color[4]; |
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color[3] = flAlphaValue; |
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Param( tintVar)->GetLinearVecValue( color, 3 ); |
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SetPixelShaderConstant( pixelReg, color ); |
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} |
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else |
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{ |
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SetPixelShaderConstant4( pixelReg, 0.0, 0.0, 0.0, flAlphaValue ); |
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} |
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} |
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FORCEINLINE void StoreEyePosInPixelShaderConstant( int nConst ) |
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{ |
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m_Storage.PutInt( CBCMD_STORE_EYE_POS_IN_PSCONST ); |
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m_Storage.PutInt( nConst ); |
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} |
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FORCEINLINE void CommitPixelShaderLighting( int nConst ) |
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{ |
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m_Storage.PutInt( CBCMD_COMMITPIXELSHADERLIGHTING ); |
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m_Storage.PutInt( nConst ); |
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} |
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FORCEINLINE void SetPixelShaderStateAmbientLightCube( int nConst ) |
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{ |
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m_Storage.PutInt( CBCMD_SETPIXELSHADERSTATEAMBIENTLIGHTCUBE ); |
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m_Storage.PutInt( nConst ); |
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} |
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FORCEINLINE void SetAmbientCubeDynamicStateVertexShader( void ) |
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{ |
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m_Storage.PutInt( CBCMD_SETAMBIENTCUBEDYNAMICSTATEVERTEXSHADER ); |
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} |
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FORCEINLINE void SetPixelShaderFogParams( int nReg ) |
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{ |
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m_Storage.PutInt( CBCMD_SETPIXELSHADERFOGPARAMS ); |
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m_Storage.PutInt( nReg ); |
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} |
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FORCEINLINE void BindStandardTexture( Sampler_t nSampler, StandardTextureId_t nTextureId ) |
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{ |
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m_Storage.PutInt( CBCMD_BIND_STANDARD_TEXTURE ); |
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m_Storage.PutInt( nSampler ); |
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m_Storage.PutInt( nTextureId ); |
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} |
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FORCEINLINE void BindTexture( Sampler_t nSampler, ShaderAPITextureHandle_t hTexture ) |
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{ |
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Assert( hTexture != INVALID_SHADERAPI_TEXTURE_HANDLE ); |
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if ( hTexture != INVALID_SHADERAPI_TEXTURE_HANDLE ) |
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{ |
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m_Storage.PutInt( CBCMD_BIND_SHADERAPI_TEXTURE_HANDLE ); |
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m_Storage.PutInt( nSampler ); |
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m_Storage.PutInt( hTexture ); |
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} |
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} |
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FORCEINLINE void BindTexture( CBaseVSShader *pShader, Sampler_t nSampler, int nTextureVar, int nFrameVar ) |
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{ |
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ShaderAPITextureHandle_t hTexture = pShader->GetShaderAPITextureBindHandle( nTextureVar, nFrameVar ); |
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BindTexture( nSampler, hTexture ); |
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} |
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FORCEINLINE void BindMultiTexture( CBaseVSShader *pShader, Sampler_t nSampler1, Sampler_t nSampler2, int nTextureVar, int nFrameVar ) |
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{ |
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ShaderAPITextureHandle_t hTexture = pShader->GetShaderAPITextureBindHandle( nTextureVar, nFrameVar, 0 ); |
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BindTexture( nSampler1, hTexture ); |
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hTexture = pShader->GetShaderAPITextureBindHandle( nTextureVar, nFrameVar, 1 ); |
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BindTexture( nSampler2, hTexture ); |
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} |
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FORCEINLINE void SetPixelShaderIndex( int nIndex ) |
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{ |
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m_Storage.PutInt( CBCMD_SET_PSHINDEX ); |
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m_Storage.PutInt( nIndex ); |
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} |
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FORCEINLINE void SetVertexShaderIndex( int nIndex ) |
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{ |
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m_Storage.PutInt( CBCMD_SET_VSHINDEX ); |
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m_Storage.PutInt( nIndex ); |
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} |
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FORCEINLINE void SetDepthFeatheringPixelShaderConstant( int iConstant, float fDepthBlendScale ) |
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{ |
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m_Storage.PutInt( CBCMD_SET_DEPTH_FEATHERING_CONST ); |
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m_Storage.PutInt( iConstant ); |
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m_Storage.PutFloat( fDepthBlendScale ); |
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} |
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FORCEINLINE void Goto( uint8 *pCmdBuf ) |
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{ |
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m_Storage.PutInt( CBCMD_JUMP ); |
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m_Storage.PutPtr( pCmdBuf ); |
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} |
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FORCEINLINE void Call( uint8 *pCmdBuf ) |
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{ |
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m_Storage.PutInt( CBCMD_JSR ); |
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m_Storage.PutPtr( pCmdBuf ); |
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} |
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FORCEINLINE void Reset( void ) |
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{ |
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m_Storage.Reset(); |
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} |
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FORCEINLINE size_t Size( void ) const |
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{ |
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return m_Storage.Size(); |
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} |
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FORCEINLINE uint8 *Base( void ) |
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{ |
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return m_Storage.Base(); |
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} |
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}; |
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#endif // commandbuilder_h
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