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utils/shadercompile/cfgprocessor.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#ifndef CFGPROCESSOR_H
+#define CFGPROCESSOR_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier1/smartptr.h"
+
+
+/*
+
+Layout of the internal structures is as follows:
+
+|-------- shader1.fxc ---------||--- shader2.fxc ---||--------- shader3.fxc -----||-...
+| 0 s s 3 s s s s 8 s 10 s s s || s s 2 3 4 s s s 8 || 0 s s s 4 s s s 8 9 s s s ||-...
+| 0 1 2 3 4 5 6 7 8 9 10 * * *   14 * * * * *20 * *   23 * * *27 * * * * * * *35    * * *
+
+GetSection( 10 ) -> shader1.fxc
+GetSection( 27 ) -> shader3.fxc
+
+GetNextCombo(  3,  3, 14 ) -> shader1.fxc : ( riCommandNumber =  8, rhCombo =  "8" )
+GetNextCombo( 10, 10, 14 ) ->   NULL      : ( riCommandNumber = 14, rhCombo = NULL )
+GetNextCombo( 22,  8, 36 ) -> shader3.fxc : ( riCommandNumber = 23, rhCombo =  "0" )
+GetNextCombo( 29, -1, 36 ) -> shader3.fxc : ( riCommandNumber = 31, rhCombo =  "8" )
+
+*/
+
+class CUtlInplaceBuffer;
+
+namespace CfgProcessor
+{
+
+// Working with configuration
+void ReadConfiguration( FILE *fInputStream );
+void ReadConfiguration( CUtlInplaceBuffer *fInputStream );
+
+struct CfgEntryInfo
+{
+	char const *m_szName;				// Name of the shader, e.g. "shader_ps20b"
+	char const *m_szShaderFileName;		// Name of the src file, e.g. "shader_psxx.fxc"
+	uint64 m_numCombos;					// Total possible num of combos, e.g. 1024
+	uint64 m_numDynamicCombos;			// Num of dynamic combos, e.g. 4
+	uint64 m_numStaticCombos;			// Num of static combos, e.g. 256
+	uint64 m_iCommandStart;				// Start command, e.g. 0
+	uint64 m_iCommandEnd;				// End command, e.g. 1024
+};
+
+void DescribeConfiguration( CArrayAutoPtr < CfgEntryInfo > &rarrEntries );
+
+
+// Working with combos
+typedef struct {} * ComboHandle;
+
+ComboHandle Combo_GetCombo( uint64 iCommandNumber );
+ComboHandle Combo_GetNext( uint64 &riCommandNumber, ComboHandle &rhCombo, uint64 iCommandEnd );
+void Combo_FormatCommand( ComboHandle hCombo, char *pchBuffer );
+uint64 Combo_GetCommandNum( ComboHandle hCombo );
+uint64 Combo_GetComboNum( ComboHandle hCombo );
+CfgEntryInfo const *Combo_GetEntryInfo( ComboHandle hCombo );
+
+ComboHandle Combo_Alloc( ComboHandle hComboCopyFrom );
+void Combo_Assign( ComboHandle hComboDst, ComboHandle hComboSrc );
+void Combo_Free( ComboHandle &rhComboFree );
+
+}; // namespace CfgProcessor
+
+
+#endif // #ifndef CFGPROCESSOR_H