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Added error checks for renderer hooks

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Added errors checks but there are no error correction, If it fails your won't have any overlay at all.
This commit is contained in:
Nemirtingas 2019-08-02 09:07:53 +02:00
parent 3a0d9c55c1
commit 7137fae413
4 changed files with 85 additions and 57 deletions
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23
overlay_experimental/OpenGL_Hook.cpp
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@ -19,23 +19,28 @@ void OpenGL_Hook::hook_ogl()
{
if (!_hooked)
{
PRINT_DEBUG("Hooked OpenGL\n");
_hooked = true;
Hook_Manager::Inst().FoundHook(this);
GLenum err = glewInit();
if (GLEW_OK != err)
if (err == GLEW_OK)
{
PRINT_DEBUG("Hooked OpenGL\n");
UnhookAll();
BeginHook();
HookFuncs(
std::make_pair<void**, void*>(&(PVOID&)wglSwapBuffers, &OpenGL_Hook::MywglSwapBuffers)
);
EndHook();
}
else
{
PRINT_DEBUG("Failed to hook OpenGL\n");
/* Problem: glewInit failed, something is seriously wrong. */
PRINT_DEBUG("Error: %s\n", glewGetErrorString(err));
_hooked = false;
}
UnhookAll();
BeginHook();
HookFuncs(
std::make_pair<void**, void*>(&(PVOID&)wglSwapBuffers, &OpenGL_Hook::MywglSwapBuffers)
);
EndHook();
}
}