Alyssa Rosenzweig
77fea552f6
For reasons that are still unclear (speculation included in the comment added in this patch), the tiler? metadata has a fast path that we were not enabling; there looks to be a possible time/memory tradeoff, but the details remain unclear. Regardless, this patch improves performance dramatically. Particular wins are for geometry-heavy scenes. For instance, glmark2-es2's Phong-shaded bunny, rendering at fullscreen (2400x1600) via GBM, jumped from ~20fps to hitting vsync cap at 60fps. Gains are even more obvious when vsync is disabled, as in glmark2-es2-wayland. With this patch, on GLES 2.0 samples not involving FBOs, it appears performance is converging with (and sometimes surpassing) the blob. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
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