tree 5f2736dd98466565da79a37f1431b7bebd311b35
parent b0cdf95213b361ece722107d3e20ce22ccdd6ed1
author Yizhou Jiang <yizhou.jiang@intel.com> 1571125385 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1571125385 +0000

Add a toggle to turn off vsync in Dawn

This commit add a toggle to turn off vsync in Dawn.
When turn off vsync, choose vulkan present mode VK_PRESENT_MODE_IMMEDIATE_KHR
if the mode is available on the system, but if the mode isn't supported,
choose default mode VK_PRESENT_MODE_FIFO_KHR.

BUG=dawn:237

Change-Id: If400262b67cc8051422745e3bed737431183c0b6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/12100
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Yizhou Jiang <yizhou.jiang@intel.com>