Attachment 142959 Details for Bug 109216 – Avoid Vsync / Mailbox mode in fullscreen

[patch] Avoid Vsync / Mailbox mode in fullscreen

0001-Avoid-Vsync-in-Fullscreen.patch (text/plain), 1.00 KB, created by Eero Tamminen on 2019-01-03 17:09:53 UTC

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Creator: Eero Tamminen

Created: 2019-01-03 17:09:53 UTC

Size: 1.00 KB

patch

obsolete

>From ee39211e30b887f564fdeaa0eb229ab50ef88544 Mon Sep 17 00:00:00 2001
>From: Eero Tamminen <eero.t.tamminen@intel.com>
>Date: Thu, 4 May 2017 17:30:40 +0300
>Subject: [PATCH 1/4] Avoid Vsync in Fullscreen
>
>At least with Mesa, mailbox mode is Vsynched in fullscreen (and has
>rendering issues), so avoid that.
>---
> base/VulkanSwapChain.hpp | 2 ++
> 1 file changed, 2 insertions(+)
>
>diff --git a/base/VulkanSwapChain.hpp b/base/VulkanSwapChain.hpp
>index e2e953a..3b69fa0 100644
>--- a/base/VulkanSwapChain.hpp
>+++ b/base/VulkanSwapChain.hpp
>@@ -324,11 +324,13 @@ public:
> 		{
> 			for (size_t i = 0; i < presentModeCount; i++)
> 			{
>+#if 0 /* mailbox mode is Vsynched in fullscreen */
> 				if (presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR)
> 				{
> 					swapchainPresentMode = VK_PRESENT_MODE_MAILBOX_KHR;
> 					break;
> 				}
>+#endif
> 				if ((swapchainPresentMode != VK_PRESENT_MODE_MAILBOX_KHR) && (presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR))
> 				{
> 					swapchainPresentMode = VK_PRESENT_MODE_IMMEDIATE_KHR;
>-- 
>2.17.1
>

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