mirror of
https://github.com/reactos/reactos.git
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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS
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* FILE: dll/opengl/opengl32/dllmain.c
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* PURPOSE: OpenGL32 DLL
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*/
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#include "opengl32.h"
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#ifdef OPENGL32_USE_TLS
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DWORD OglTlsIndex = 0xFFFFFFFF;
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#endif
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BOOL WINAPI
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DllMain(HINSTANCE hInstance, DWORD Reason, LPVOID Reserved)
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{
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#ifdef OPENGL32_USE_TLS
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struct Opengl32_ThreadData* ThreadData;
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#endif
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switch ( Reason )
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{
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case DLL_PROCESS_ATTACH:
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#ifdef OPENGL32_USE_TLS
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OglTlsIndex = TlsAlloc();
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if(OglTlsIndex == TLS_OUT_OF_INDEXES)
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return FALSE;
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#endif
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/* Initialize Context list */
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InitializeListHead(&ContextListHead);
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/* no break */
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case DLL_THREAD_ATTACH:
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#ifdef OPENGL32_USE_TLS
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ThreadData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ThreadData));
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if(!ThreadData)
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return FALSE;
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TlsSetValue(OglTlsIndex, ThreadData);
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ThreadData->glDispatchTable = &StubTable.glDispatchTable;
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ThreadData->hglrc = NULL;
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ThreadData->hdc = NULL;
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ThreadData->dc_data = NULL;
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#else
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NtCurrentTeb()->glTable = &StubTable.glDispatchTable;
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#endif // defined(OPENGL32_USE_TLS)
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break;
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case DLL_THREAD_DETACH:
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/* Set NULL context for this thread */
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wglMakeCurrent(NULL, NULL);
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/* Clean up */
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#ifdef OPENGL32_USE_TLS
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ThreadData = TlsGetValue(OglTlsIndex);
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if(ThreadData)
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HeapFree(GetProcessHeap(), 0, ThreadData);
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#else
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NtCurrentTeb()->glTable = NULL;
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#endif // defined(OPENGL32_USE_TLS)
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break;
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case DLL_PROCESS_DETACH:
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/* Clean up */
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if (!Reserved)
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{
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/* The process is not shutting down: release everything */
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wglMakeCurrent(NULL, NULL);
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IntDeleteAllContexts();
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IntDeleteAllICDs();
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#ifdef OPENGL32_USE_TLS
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ThreadData = TlsGetValue(OglTlsIndex);
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if(ThreadData)
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HeapFree(GetProcessHeap(), 0, ThreadData);
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#endif
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}
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#ifdef OPENGL32_USE_TLS
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TlsFree(OglTlsIndex);
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#endif
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break;
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}
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return TRUE;
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}
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