gpu: Workaround for NV12 dynamic textures used for software video frames
Map usage STAGING texture along with copy to usage DEFAULT texture to workaround crashes when mapping usage DYNAMIC textures. Restrict workaround to Intel driver versions < 24 based on crash data. Also add a few trace events for swap buffers, texture upload, blit, etc. Bug: 890227 Change-Id: I1cc9bae3fc0ddf6303375c99054113a9a995806c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1576016Reviewed-by:Zhenyao Mo <zmo@chromium.org> Commit-Queue: Sunny Sachanandani <sunnyps@chromium.org> Cr-Commit-Position: refs/heads/master@{#652734}
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