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display unsupported extensions

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This commit is contained in:
Eduardo Bart
2012-04-03 17:12:05 -03:00
parent 3a6bd8341d
commit c33741d324
4 changed files with 24 additions and 12 deletions
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24
src/framework/graphics/graphics.cpp
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@@ -39,10 +39,26 @@ void Graphics::init()
if(err != GLEW_OK)
logFatal("Unable to init GLEW: ", glewGetErrorString(err));
if(!GLEW_ARB_vertex_program || !GLEW_ARB_vertex_shader ||
!GLEW_ARB_fragment_program || !GLEW_ARB_fragment_shader ||
!GLEW_ARB_texture_non_power_of_two || !GLEW_ARB_multitexture)
logFatal("Some OpenGL 2.0 extensions is not supported by your system graphics, please try updating your video drivers or buy a new hardware.");
const char *requiredExtensions[] = {
"GL_ARB_vertex_program",
"GL_ARB_vertex_shader",
"GL_ARB_fragment_program",
"GL_ARB_fragment_shader",
"GL_ARB_texture_non_power_of_two",
"GL_ARB_multitexture"
};
std::stringstream ss;
bool unsupported = false;
for(auto ext : requiredExtensions) {
if(!glewIsSupported(ext)) {
ss << ext << std::endl;
unsupported = true;
}
}
if(unsupported)
logFatal("The following OpenGL 2.0 extensions are not supported by your system graphics, please try updating your video drivers or buy a new hardware:\n", ss.str());
m_useFBO = m_useFBO && GLEW_ARB_framebuffer_object;
m_generateHardwareMipmaps = m_generateHardwareMipmaps && m_useFBO; // glGenerateMipmap is supported when FBO is