diff options
Diffstat (limited to 'ext/detours/samples/opengl/ogldet.cpp')
-rw-r--r-- | ext/detours/samples/opengl/ogldet.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/ext/detours/samples/opengl/ogldet.cpp b/ext/detours/samples/opengl/ogldet.cpp new file mode 100644 index 0000000..b1659d9 --- /dev/null +++ b/ext/detours/samples/opengl/ogldet.cpp @@ -0,0 +1,74 @@ +////////////////////////////////////////////////////////////////////////////// +// +// Module: ogldet.dll +// +// This DLL is based on the sample simple.dll. A detour is inserted for +// the OpenGL glFinish function. +// +#include <stdio.h> +#include <windows.h> +#include <GL/gl.h> +#include "detours.h" + +static void (WINAPI * trueGlFinish)(void) = glFinish; + +void WINAPI hookedGlFinish(void) +{ + printf("ogldet" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:" + " hookedGlFinish Starting.\n"); + fflush(stdout); + + trueGlFinish(); + + printf("ogldet" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:" + " hookedGlFinish done.\n"); + fflush(stdout); +} + +BOOL WINAPI DllMain(HINSTANCE hinst, DWORD dwReason, LPVOID reserved) +{ + LONG error; + (void)hinst; + (void)reserved; + + if (DetourIsHelperProcess()) { + return TRUE; + } + + if (dwReason == DLL_PROCESS_ATTACH) { + DetourRestoreAfterWith(); + + printf("ogldet" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:" + " Starting.\n"); + fflush(stdout); + + DetourTransactionBegin(); + DetourUpdateThread(GetCurrentThread()); + DetourAttach(&(PVOID&)trueGlFinish, hookedGlFinish); + error = DetourTransactionCommit(); + + if (error == NO_ERROR) { + printf("ogldet" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:" + " Detoured glFinish().\n"); + } + else { + printf("ogldet" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:" + " Error detouring glFinish(): %d\n", error); + } + } + else if (dwReason == DLL_PROCESS_DETACH) { + DetourTransactionBegin(); + DetourUpdateThread(GetCurrentThread()); + DetourDetach(&(PVOID&)trueGlFinish, hookedGlFinish); + error = DetourTransactionCommit(); + + printf("ogldet" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:" + " Removed detour glFinish() (result=%d)\n", error); + fflush(stdout); + } + + return TRUE; +} + +// +///////////////////////////////////////////////////////////////// End of File. |