reactos/dll/opengl/opengl32/dllmain.c
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS]
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

72 lines
2 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS
* FILE: dll/opengl/opengl32/dllmain.c
* PURPOSE: OpenGL32 DLL
*/
#include "opengl32.h"
#ifdef OPENGL32_USE_TLS
DWORD OglTlsIndex = 0xFFFFFFFF;
#endif
BOOL WINAPI
DllMain(HINSTANCE hInstance, DWORD Reason, LPVOID Reserved)
{
#ifdef OPENGL32_USE_TLS
struct Opengl32_ThreadData* ThreadData;
#endif
switch ( Reason )
{
/* The DLL is loading due to process
* initialization or a call to LoadLibrary.
*/
case DLL_PROCESS_ATTACH:
#ifdef OPENGL32_USE_TLS
OglTlsIndex = TlsAlloc();
if(OglTlsIndex == TLS_OUT_OF_INDEXES)
return FALSE;
#endif
/* Fall through */
case DLL_THREAD_ATTACH:
#ifdef OPENGL32_USE_TLS
ThreadData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ThreadData));
if(!ThreadData)
return FALSE;
TlsSetValue(OglTlsIndex, ThreadData);
ThreadData->glDispatchTable = &StubTable.glDispatchTable;
ThreadData->hglrc = NULL;
ThreadData->hdc = NULL;
ThreadData->dc_data = NULL;
#else
NtCurrentTeb()->glTable = &StubTable.glDispatchTable;
#endif // defined(OPENGL32_USE_TLS)
break;
case DLL_THREAD_DETACH:
/* Clean up */
#ifdef OPENGL32_USE_TLS
ThreadData = TlsGetValue(OglTlsIndex);
if(ThreadData)
HeapFree(GetProcessHeap(), 0, ThreadData);
#else
NtCurrentTeb->glTable = NULL;
#endif // defined(OPENGL32_USE_TLS)
break;
case DLL_PROCESS_DETACH:
/* Clean up */
#ifdef OPENGL32_USE_TLS
ThreadData = TlsGetValue(OglTlsIndex);
if(ThreadData)
HeapFree(GetProcessHeap(), 0, ThreadData);
TlsFree(OglTlsIndex);
#else
NtCurrentTeb->glTable = NULL;
#endif // defined(OPENGL32_USE_TLS)
break;
}
return TRUE;
}