backends/drm: upload custom geometry instead of using glScissor for optimized rendering
Empirical data suggests this yields a decent reduction in GPU usage
(cherry picked from commit 80a91b1a)
Co-authored-by: Xaver Hugl xaver.hugl@gmail.com
Empirical data suggests this yields a decent reduction in GPU usage
(cherry picked from commit 80a91b1a)
Co-authored-by: Xaver Hugl xaver.hugl@gmail.com