obs/GraphicsCapture/SharedTexCapture.cpp
2013-02-28 18:33:49 -07:00

92 lines
2.6 KiB
C++

/********************************************************************************
Copyright (C) 2012 Hugh Bailey <obs.jim@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
********************************************************************************/
#include "GraphicsCapture.h"
void SharedTexCapture::Destroy()
{
delete sharedTexture;
sharedTexture = NULL;
delete copyTexture;
copyTexture = NULL;
bInitialized = false;
texData = NULL;
if(sharedMemory)
UnmapViewOfFile(sharedMemory);
if(hFileMap)
CloseHandle(hFileMap);
}
bool SharedTexCapture::Init(CaptureInfo &info)
{
String strFileMapName;
strFileMapName << TEXTURE_MEMORY << UIntString(info.mapID);
hFileMap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, strFileMapName);
if(hFileMap == NULL)
{
AppWarning(TEXT("SharedTexCapture::Init: Could not open file mapping: %d"), GetLastError());
return false;
}
sharedMemory = (LPBYTE)MapViewOfFile(hFileMap, FILE_MAP_ALL_ACCESS, 0, 0, info.mapSize);
if(!sharedMemory)
{
AppWarning(TEXT("SharedTexCapture::Init: Could not map view of file"));
return false;
}
//Log(TEXT("using shared texture capture"));
//---------------------------------------
texData = (SharedTexData*)sharedMemory;
texData->frameTime = 1000000/API->GetMaxFPS()/2;
sharedTexture = GS->CreateTextureFromSharedHandle(info.cx, info.cy, (GSColorFormat)info.format, (HANDLE)texData->texHandle);
if(!sharedTexture)
{
AppWarning(TEXT("SharedTexCapture::Init: Could not create shared texture"));
return false;
}
copyTexture = GS->CreateTexture(info.cx, info.cy, (GSColorFormat)info.format, 0, FALSE, TRUE);
Log(TEXT("SharedTexCapture hooked"));
bInitialized = true;
return true;
}
Texture* SharedTexCapture::LockTexture()
{
GS->CopyTexture(copyTexture, sharedTexture);
return copyTexture;
}
void SharedTexCapture::UnlockTexture()
{
}