obs/GraphicsCapture/SharedTexCapture.cpp

104 lines
2.8 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"
SharedTexCapture::~SharedTexCapture()
{
for(UINT i=0; i<2; i++)
delete sharedTextures[i];
}
bool SharedTexCapture::Init(HANDLE hProcess, HWND hwndTarget, CaptureInfo &info)
{
this->hwndTarget = hwndTarget;
this->hProcess = hProcess;
this->height = info.cy;
colorFormat = info.format;
lpDataAddress = info.data;
SharedTextureData sharedTextureData;
if(!ReadProcessMemory(hProcess, lpDataAddress, &sharedTextureData, sizeof(sharedTextureData), NULL))
return false;
bool bSuccess = true;
for(UINT i=0; i<2; i++)
{
sharedTextures[i] = GS->CreateTextureFromSharedHandle(info.cx, info.cy, (GSColorFormat)colorFormat, sharedTextureData.sharedTextureHandles[i]);
if(!sharedTextures[i])
{
bSuccess = false;
break;
}
}
if(!bSuccess)
{
for(UINT i=0; i<2; i++)
delete sharedTextures[i];
return false;
}
return true;
}
Texture* SharedTexCapture::LockTexture()
{
SharedTextureData textureData;
if(ReadProcessMemory(hProcess, lpDataAddress, &textureData, sizeof(textureData), NULL))
{
curTextureID = textureData.lastRendered;
if(curTextureID < 2)
{
DWORD nextTexture = (curTextureID == 1) ? 0 : 1;
bool bSuccess = false;
if(sharedTextures[curTextureID]->AcquireSync(1, 0) == WAIT_OBJECT_0)
bSuccess = true;
else if(sharedTextures[nextTexture]->AcquireSync(1, 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;
}
}
*/