diff options
Diffstat (limited to 'Source/Internal/win_mem_track.cpp')
| -rw-r--r-- | Source/Internal/win_mem_track.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/Source/Internal/win_mem_track.cpp b/Source/Internal/win_mem_track.cpp new file mode 100644 index 00000000..1f140fe6 --- /dev/null +++ b/Source/Internal/win_mem_track.cpp @@ -0,0 +1,127 @@ +//----------------------------------------------------------------------------- +// Name: win_mem_track.cpp +// Developer: Wolfire Games LLC +// Description: +// License: Read below +//----------------------------------------------------------------------------- +// +// Copyright 2022 Wolfire Games LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +//----------------------------------------------------------------------------- +#include "win_mem_track.h" + +#include <Logging/logdata.h> +#include <Utility/assert.h> + +bool mem_track_enable = false; +//Memory check functions adapted from Doom 3 source +#if defined(_DEBUG) && defined(_WIN32) +#define NOMINMAX +#include <Windows.h> +#include <crtdbg.h> + +#include <cstdio> +#include <cassert> + +static unsigned int debug_total_alloc = 0; +static unsigned int debug_total_alloc_count = 0; +static unsigned int debug_current_alloc = 0; +static unsigned int debug_current_alloc_count = 0; +static unsigned int debug_frame_alloc = 0; +static unsigned int debug_frame_alloc_count = 0; + +typedef struct CrtMemBlockHeader +{ + struct _CrtMemBlockHeader *pBlockHeaderNext; // Pointer to the block allocated just before this one: + struct _CrtMemBlockHeader *pBlockHeaderPrev; // Pointer to the block allocated just after this one + char *szFileName; // File name + int nLine; // Line number + size_t nDataSize; // Size of user block + int nBlockUse; // Type of block + long lRequest; // Allocation number + byte gap[4]; // Buffer just before (lower than) the user's memory: +} CrtMemBlockHeader; + + +int AllocHook( int nAllocType, void *pvData, size_t nSize, int nBlockUse, long lRequest, const unsigned char * szFileName, int nLine ) { + CrtMemBlockHeader *pHead; + byte *temp; + + if ( nBlockUse == _CRT_BLOCK ) + { + return( TRUE ); + } + + // get a pointer to memory block header + temp = ( byte * )pvData; + temp -= 32; + pHead = ( CrtMemBlockHeader * )temp; + + switch( nAllocType ) { + case _HOOK_ALLOC: + if(mem_track_enable){ + bool break_here = true; + } + debug_total_alloc += nSize; + debug_current_alloc += nSize; + debug_frame_alloc += nSize; + debug_total_alloc_count++; + debug_current_alloc_count++; + debug_frame_alloc_count++; + break; + + case _HOOK_FREE: + LOG_ASSERT( pHead->gap[0] == 0xfd && pHead->gap[1] == 0xfd && pHead->gap[2] == 0xfd && pHead->gap[3] == 0xfd ); + + debug_current_alloc -= pHead->nDataSize; + debug_current_alloc_count--; + debug_total_alloc_count++; + debug_frame_alloc_count++; + break; + + case _HOOK_REALLOC: + LOG_ASSERT( pHead->gap[0] == 0xfd && pHead->gap[1] == 0xfd && pHead->gap[2] == 0xfd && pHead->gap[3] == 0xfd ); + + debug_current_alloc -= pHead->nDataSize; + debug_total_alloc += nSize; + debug_current_alloc += nSize; + debug_frame_alloc += nSize; + debug_total_alloc_count++; + debug_current_alloc_count--; + debug_frame_alloc_count++; + break; + } + return( TRUE ); +} + +void WinMemTrack::PrintTotal() { + LOGI.Format( "Total allocation %8dk in %d blocks\n", debug_total_alloc / 1024, debug_total_alloc_count ); + LOGI.Format( "Current allocation %8dk in %d blocks\n", debug_current_alloc / 1024, debug_current_alloc_count ); +} + +void WinMemTrack::PrintFrame() { + LOGI.Format("Frame: %8dk in %5d blocks\n", debug_frame_alloc / 1024, debug_frame_alloc_count ); + debug_frame_alloc = 0; + debug_frame_alloc_count = 0; +} + +void WinMemTrack::Attach() { + _CrtSetAllocHook(AllocHook); +} +#else +void WinMemTrack::PrintTotal() {} +void WinMemTrack::PrintFrame() {} +void WinMemTrack::Attach() {} +#endif |