forked from bartvdbraak/blender
enable OpenSubdiv Transform Feedback on Intel
Fixed extension check. This feature requires ARB_texture_buffer_object which was subsumed into OpenGL 3.0. Intel driver on Windows doesn't claim to support this extension, but GL version is > 3 so it actually does work.
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@ -66,7 +66,8 @@ int openSubdiv_getAvailableEvaluators(void)
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#endif /* OPENSUBDIV_HAS_OPENCL */
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#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
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if (GLEW_ARB_texture_buffer_object) {
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if (GLEW_VERSION_3_0 || GLEW_ARB_texture_buffer_object) {
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// TODO(merwin): remove extension check once Blender moves to 3.2 core
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flags |= OPENSUBDIV_EVALUATOR_GLSL_TRANSFORM_FEEDBACK;
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}
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#endif /* OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK */
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