from geometry to pixels

driver status

MacOS X OpenGL driver status (10.8.3)

Apples latest software patch for MacOS X 10.8 (Mountain Lion, 10.8.3) fixed some issues related to OpenGL. To recap, my currently known bugs and issues are these: Wrong values from uniform structs (bug id #10518401) –¬†Fixed Wrong names for uniforms in uniform blocks (bug id #11335828) –¬†Still exists (this bug was reported in april 2012) […]


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OpenGL conditional rendering bug on MacOS X

At least on Intel HD4000 GPUs there seems to be a bug regarding conditional rendering in OpenGL on 10.8 Mountain Lion: After the conditional rendering the condition state (ignore draw calls or execute them) is ‘stuck’ until the next draw call gets issued – this can ignore glClear calls which shouldn’t get ignored. Here’s an […]


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MacOS X OpenGL driver status

MacOS X 10.8 Mountain Lion was released earlier today and with it the hope for updated OpenGL. Currently the OpenGL Capability Table isn’t updated for 10.8 (or even 10.7.4) yet but there haven’t been much improvements anyway: Current OpenGL support is still 3.2. GL_ARB_instanced_arrays, GL_ARB_occlusion_query2 and GL_ARB_timer_query are still the only supported extensions from OpenGL […]


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