Commit 6165602f9e02fd85242501c39f5a83624cd5befa
2018-10-24T15:00:50
Vulkan: Throttle CPU to avoid excessive frame queuing Unthrottled, the CPU can generate and queue an increasingly large number of frames with the GPU lagging behind, especially with vsync enabled. Assuming N swapchain images, this commit adds a wait on fence for the Nth previous frame before submitting new work, that is the CPU is always at most N frames ahead of the GPU. Bug: angleproject:2908 Change-Id: Ieb2bf20168bfe9bc9d8e2219f682b01347c21dec Reviewed-on: https://chromium-review.googlesource.com/c/1296953 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org>