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added check for debug callback

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This commit is contained in:
Nico Schertler 2018-11-13 10:40:59 +01:00
parent 32e003c875
commit 0e98a190bb
1 changed files with 4 additions and 1 deletions
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5
common/src/util/GLDebug.cpp
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@ -132,5 +132,8 @@ void nse::util::GLDebug::SetupDebugCallback()
{
glEnable(GL_DEBUG_OUTPUT);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
glDebugMessageCallback(DebugCallback, &ignoredIds);
if (glDebugMessageCallback == nullptr)
std::cout << "Cannot set up an OpenGL debug callback. Perhaps your OpenGL version is too old." << std::endl;
else
glDebugMessageCallback(DebugCallback, &ignoredIds);
}