1 files changed, 74 insertions, 0 deletions
diff --git a/samples/opengl/ogldet.cpp b/samples/opengl/ogldet.cpp
new file mode 100644
index 0000000..b1659d9
--- /dev/null
+++ b/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.