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validate that we actually have a proper implementation of GL_ARB_vertex_array_object, to avoid virtualbox crashes
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4128 fc73d0e0-1445-4013-8a0c-d673dee63da5
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1 changed files with 17 additions and 3 deletions
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@ -797,6 +797,23 @@ void GL_CheckExtensions (void *(*getglfunction) (char *name))
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}
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//we only use vao with shaders anyway.
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if (!gl_config.arb_shader_objects)
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{
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//don't bother if we've no glsl
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qglGenVertexArrays = NULL;
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qglBindVertexArray = NULL;
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}
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else if (gl_config.glversion >= 3)
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{
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/*yay core!*/
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qglGenVertexArrays = (void *)getglext("glGenVertexArrays");
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qglBindVertexArray = (void *)getglext("glBindVertexArray");
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}
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else if (GL_CheckExtension("GL_ARB_vertex_array_object"))
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{
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qglGenVertexArrays = (void *)getglext("glGenVertexArraysARB");
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qglBindVertexArray = (void *)getglext("glBindVertexArrayARB");
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}
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else
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{
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qglGenVertexArrays = NULL;
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qglBindVertexArray = NULL;
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@ -1460,9 +1477,6 @@ void GL_Init(void *(*getglfunction) (char *name))
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qglPopAttrib = (void *)getglcore("glPopAttrib");
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qglScissor = (void *)getglcore("glScissor");
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qglGenVertexArrays = (void *)getglext("glGenVertexArrays");
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qglBindVertexArray = (void *)getglext("glBindVertexArray");
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//does this need to be non-core as well?
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qglFogi = (void *)getglcore("glFogi");
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qglFogf = (void *)getglcore("glFogf");
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