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Added OpenGL vendor and renderer string checks to warn if the application is being run using a non-accelerated OpenGL context.

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binary1248 2015-04-18 21:27:53 +02:00 committed by Lukas Dürrenberger
parent db8c237f6a
commit e0d27358fb
1 changed files with 13 additions and 0 deletions
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13
src/SFML/Window/GlContext.cpp
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@ -473,6 +473,19 @@ void GlContext::checkSettings(const ContextSettings& requestedSettings)
{
// Perform checks to inform the user if they are getting a context they might not have expected
// Detect any known non-accelerated implementations and warn
const char* vendorName = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
const char* rendererName = reinterpret_cast<const char*>(glGetString(GL_RENDERER));
if (vendorName && rendererName)
{
if ((std::strcmp(vendorName, "Microsoft Corporation") == 0) && (std::strcmp(rendererName, "GDI Generic") == 0))
{
err() << "Warning: Detected \"Microsoft Corporation GDI Generic\" OpenGL implementation" << std::endl
<< "The current OpenGL implementation is not hardware-accelerated" << std::endl;
}
}
int version = m_settings.majorVersion * 10 + m_settings.minorVersion;
int requestedVersion = requestedSettings.majorVersion * 10 + requestedSettings.minorVersion;