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Create GL2.1 context on Linux before trying to create GL3.0.

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This commit is contained in:
bkaradzic 2013-01-06 21:50:55 -08:00
parent b889e78841
commit 97bcef11d9
1 changed files with 21 additions and 12 deletions
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33
src/renderer_gl.cpp
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@ -375,7 +375,7 @@ namespace bgfx
}; };
// Find suitable config // Find suitable config
GLXFBConfig bestconfig = NULL; GLXFBConfig bestConfig = NULL;
int nconfigs; int nconfigs;
GLXFBConfig* configs = glXChooseFBConfig(display, DefaultScreen(display), glxAttribs, &nconfigs); GLXFBConfig* configs = glXChooseFBConfig(display, DefaultScreen(display), glxAttribs, &nconfigs);
@ -401,7 +401,7 @@ namespace bgfx
if (validconfig) if (validconfig)
{ {
bestconfig = configs[ii]; bestConfig = configs[ii];
break; break;
} }
} }
@ -435,21 +435,30 @@ namespace bgfx
XFlush(display); XFlush(display);
XFree(visualInfo); XFree(visualInfo);
BX_TRACE("create context"); BX_TRACE("Create GL 2.1 context.");
m_context = glXCreateContext(display, visualInfo, 0, GL_TRUE);
BGFX_FATAL(NULL != m_context, Fatal::UnableToInitialize, "Failed to create GL 2.1 context.");
typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, Bool, const int*); typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
glXCreateContextAttribsARBProc glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc)glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB"); glXCreateContextAttribsARBProc glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc)glXGetProcAddress((const GLubyte*)"glXCreateContextAttribsARB");
BGFX_FATAL(glXCreateContextAttribsARB, Fatal::UnableToInitialize, "Failed to get glXCreateContextAttribsARB."); if (NULL != glXCreateContextAttribsARB)
const int contextArrib[] =
{ {
GLX_CONTEXT_MAJOR_VERSION_ARB, 3, BX_TRACE("Create GL 3.0 context.");
GLX_CONTEXT_MINOR_VERSION_ARB, 0, const int contextArrib[] =
None, {
}; GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
GLX_CONTEXT_MINOR_VERSION_ARB, 0,
None,
};
m_context = glXCreateContextAttribsARB(display, bestconfig, 0, True, contextArrib); GLXContext context = glXCreateContextAttribsARB(display, bestConfig, 0, True, contextArrib);
BGFX_FATAL(m_context, Fatal::UnableToInitialize, "Failed to create GLX context.");
if (NULL != context)
{
glXDestroyContext(display, m_context);
m_context = context;
}
}
glXMakeCurrent(display, window, m_context); glXMakeCurrent(display, window, m_context);