Commit 297687c6fb94eb9cfe44c37655490663040b5b9b
2023-05-18T17:27:54
Vulkan: Reduce CPU overhead for uniform buffer change One of the common usage pattern is change uniform buffers and draw. Right now every uniform buffer change goes into ShaderResource dirty code path that rebuilds entire ShaderResource cache key and descriptor set etc. This CL keeps SHaderResource dirty code path, and will be used when program changes or framebuffer changes. But uniform buffer change will go down its own code path that only update uniform buffer related state. This CL along with prior two CLs reduced asphalt_9 average frame time (with multi context hacked away) from 5.375 ms to 5.2594 ms (reduced 2.15%). Bug: b/282194402 Change-Id: Ibae2895663918ddc10bf13bc559f1483f94d2e11 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4528314 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Charlie Lao <cclao@google.com> Reviewed-by: Roman Lavrov <romanl@google.com>