<li>GL_EXT_base_instance on all drivers that support GL_ARB_base_instance</li>
<li>GL_EXT_clip_cull_distance on all drivers that support GL_ARB_cull_distance</li>
<li>GL_OES_draw_buffers_indexed and GL_EXT_draw_buffers_indexed on all drivers that support GL_ARB_draw_buffers_blend</li>
+<li>GL_OES_gpu_shader5 and GL_EXT_gpu_shader5 on all drivers that support GL_ARB_gpu_shader5</li>
<li>GL_OES_sample_shading on i965, nvc0, r600, radeonsi</li>
<li>GL_OES_sample_variables on i965, nvc0, r600, radeonsi</li>
<li>GL_OES_shader_image_atomic on all drivers that support GL_ARB_shader_image_load_store</li>