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157 lines
3.9 KiB
157 lines
3.9 KiB
//========= Copyright © 1996-2005, 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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#include "togl/rendermechanism.h"
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#include "recording.h"
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#include "shaderapi/IShaderUtil.h"
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#include "materialsystem/IMaterialSystem.h"
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#include "ShaderAPIDX8_Global.h"
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#include "UtlVector.h"
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#include <stdio.h>
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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#ifdef RECORDING
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//-----------------------------------------------------------------------------
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// Globals
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//-----------------------------------------------------------------------------
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static CUtlVector<unsigned char> g_pRecordingBuffer;
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static int g_ArgsRemaining = 0;
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static int g_CommandStartIdx = 0;
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//-----------------------------------------------------------------------------
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// Opens the recording file
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//-----------------------------------------------------------------------------
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static FILE* OpenRecordingFile()
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{
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#ifdef CRASH_RECORDING
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static FILE *fp = 0;
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#else
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FILE* fp = 0;
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#endif
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static bool g_CantOpenFile = false;
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static bool g_NeverOpened = true;
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if (!g_CantOpenFile)
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{
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#ifdef CRASH_RECORDING
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if( g_NeverOpened )
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{
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fp = fopen( "shaderdx8.rec", "wbc" );
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}
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#else
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fp = fopen( "shaderdx8.rec", g_NeverOpened ? "wb" : "ab" );
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#endif
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if (!fp)
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{
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Warning("Unable to open recording file shaderdx8.rec!\n");
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g_CantOpenFile = true;
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}
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g_NeverOpened = false;
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}
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return fp;
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}
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//-----------------------------------------------------------------------------
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// Writes to the recording file
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//-----------------------------------------------------------------------------
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#define COMMAND_BUFFER_SIZE 32768
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static void WriteRecordingFile()
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{
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// Store the command size
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*(int*)&g_pRecordingBuffer[g_CommandStartIdx] =
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g_pRecordingBuffer.Size() - g_CommandStartIdx;
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#ifndef CRASH_RECORDING
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// When not crash recording, flush when buffer gets too big,
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// or when Present() is called
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if ((g_pRecordingBuffer.Size() < COMMAND_BUFFER_SIZE) &&
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(g_pRecordingBuffer[g_CommandStartIdx+4] != DX8_PRESENT))
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return;
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#endif
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FILE* fp = OpenRecordingFile();
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if (fp)
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{
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// store the command size
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fwrite( g_pRecordingBuffer.Base(), 1, g_pRecordingBuffer.Size(), fp );
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fflush( fp );
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#ifndef CRASH_RECORDING
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fclose( fp );
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#endif
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}
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g_pRecordingBuffer.RemoveAll();
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}
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// Write the buffered crap out on shutdown.
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void FinishRecording()
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{
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#ifndef CRASH_RECORDING
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FILE* fp = OpenRecordingFile();
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if (fp)
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{
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// store the command size
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fwrite( g_pRecordingBuffer.Base(), 1, g_pRecordingBuffer.Size(), fp );
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fflush( fp );
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}
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g_pRecordingBuffer.RemoveAll();
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#endif
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}
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// set this to true in the debugger to actually record commands.
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static bool g_bDoRecord = true;
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//-----------------------------------------------------------------------------
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// Records a command
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//-----------------------------------------------------------------------------
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void RecordCommand( RecordingCommands_t cmd, int numargs )
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{
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if( !g_bDoRecord )
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{
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return;
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}
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Assert( g_ArgsRemaining == 0 );
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g_CommandStartIdx = g_pRecordingBuffer.AddMultipleToTail( 6 );
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// save space for the total command size
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g_pRecordingBuffer[g_CommandStartIdx+4] = cmd;
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g_pRecordingBuffer[g_CommandStartIdx+5] = numargs;
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g_ArgsRemaining = numargs;
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if (g_ArgsRemaining == 0)
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WriteRecordingFile();
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}
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//-----------------------------------------------------------------------------
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// Records an argument for a command, flushes when the command is done
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//-----------------------------------------------------------------------------
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void RecordArgument( void const* pMemory, int size )
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{
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if( !g_bDoRecord )
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{
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return;
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}
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Assert( g_ArgsRemaining > 0 );
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int tail = g_pRecordingBuffer.Size();
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g_pRecordingBuffer.AddMultipleToTail( size );
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memcpy( &g_pRecordingBuffer[tail], pMemory, size );
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if (--g_ArgsRemaining == 0)
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WriteRecordingFile();
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}
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#endif // RECORDING
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