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Added automatic support for OpenGL 3.0 contexts on Linux

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git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1197 4e206d99-4929-0410-ac5d-dfc041789085
This commit is contained in:
laurentgom 2009-07-27 16:12:49 +00:00
parent 9229a27932
commit 357e89696b
1 changed files with 31 additions and 5 deletions
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36
src/SFML/Window/Linux/ContextGLX.cpp
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@ -274,12 +274,38 @@ void ContextGLX::CreateContext(ContextGLX* shared, unsigned int bitsPerPixel, co
// Get the context to share display lists with // Get the context to share display lists with
GLXContext toShare = shared ? shared->myContext : NULL; GLXContext toShare = shared ? shared->myContext : NULL;
// Create the context // Create the context -- first try an OpenGL 3.0 context if it is supported
myContext = glXCreateContext(myDisplay, bestVisual, toShare, true); /*const GLubyte* name = reinterpret_cast<const GLubyte*>("glXCreateContextAttribsARB");
if (!myContext) PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = reinterpret_cast<PFNGLXCREATECONTEXTATTRIBSARBPROC>(glXGetProcAddress(name));
if (glXCreateContextAttribsARB)
{ {
std::cerr << "Failed to create an OpenGL context for this window" << std::endl; int nbConfigs = 0;
return; GLXFBConfig* configs = glXChooseFBConfig(myDisplay, DefaultScreen(myDisplay), NULL, &nbConfigs);
if (!configs || !nbConfigs)
{
std::cerr << "Failed to retrieve the framebuffer configuration" << std::endl;
return;
}
// Create the context
int attributes[] =
{
GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
GLX_CONTEXT_MINOR_VERSION_ARB, 0,
0, 0
};
myContext = glXCreateContextAttribsARB(myDisplay, configs[0], toShare, true, attributes);
}*/
// If the OpenGL 3.0 context failed, create a regular OpenGL 1.x context
if (!myContext)
{
myContext = glXCreateContext(myDisplay, bestVisual, toShare, true);
if (!myContext)
{
std::cerr << "Failed to create an OpenGL context for this window" << std::endl;
return;
}
} }
// Update the creation settings from the chosen format // Update the creation settings from the chosen format