119 lines
3.2 KiB
C++
119 lines
3.2 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()
|
|
{
|
|
for(UINT i=0; i<2; i++)
|
|
{
|
|
delete sharedTextures[i];
|
|
sharedTextures[i] = 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;
|
|
|
|
for(UINT i=0; i<2; i++)
|
|
{
|
|
sharedTextures[i] = GS->CreateTextureFromSharedHandle(info.cx, info.cy, (GSColorFormat)info.format, texData->texHandles[i]);
|
|
if(!sharedTextures[i])
|
|
{
|
|
AppWarning(TEXT("SharedTexCapture::Init: Could not create shared texture"));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
Log(TEXT("SharedTexCapture hooked"));
|
|
|
|
bInitialized = true;
|
|
return true;
|
|
}
|
|
|
|
Texture* SharedTexCapture::LockTexture()
|
|
{
|
|
curTextureID = texData->lastRendered;
|
|
|
|
if(curTextureID < 2)
|
|
{
|
|
DWORD nextTexture = (curTextureID == 1) ? 0 : 1;
|
|
bool bSuccess = false;
|
|
|
|
if(sharedTextures[curTextureID]->AcquireSync(0, 0) == WAIT_OBJECT_0)
|
|
bSuccess = true;
|
|
else if(sharedTextures[nextTexture]->AcquireSync(0, 0) == WAIT_OBJECT_0)
|
|
{
|
|
bSuccess = true;
|
|
curTextureID = nextTexture;
|
|
}
|
|
|
|
if(bSuccess)
|
|
{
|
|
curTexture = sharedTextures[curTextureID];
|
|
return curTexture;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void SharedTexCapture::UnlockTexture()
|
|
{
|
|
if(curTexture)
|
|
{
|
|
curTexture->ReleaseSync(0);
|
|
curTexture = NULL;
|
|
}
|
|
}
|