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Mark non VK_PRESENT_MODE_FIFO_KHR as triple buffered

This commit is contained in:
Denis Pauk 2020-11-19 21:36:20 +02:00 committed by Yamagi
parent 17357d8c5e
commit 03a20b2050
1 changed files with 4 additions and 2 deletions
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6
src/client/refresh/vk/vk_swapchain.c
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@ -64,6 +64,7 @@ static VkSurfaceFormatKHR getSwapSurfaceFormat(const VkSurfaceFormatKHR *surface
}
// internal helper
// look to https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkPresentModeKHR.html for more information
static VkPresentModeKHR getSwapPresentMode(const VkPresentModeKHR *presentModes, uint32_t presentModesCount, VkPresentModeKHR desiredMode)
{
// PRESENT_MODE_FIFO_KHR is guaranteed to exist due to spec requirements
@ -89,12 +90,13 @@ static VkPresentModeKHR getSwapPresentMode(const VkPresentModeKHR *presentModes,
// preferred present mode not found - choose the next best thing
for (uint32_t i = 0; i < presentModesCount; ++i)
{
// always prefer mailbox for triple buffering
// always prefer mailbox for triple buffering with whole image replace
if (presentModes[i] == VK_PRESENT_MODE_MAILBOX_KHR)
{
usedPresentMode = presentModes[i];
break;
}
// prefer immediate update with tearing
else if (presentModes[i] == VK_PRESENT_MODE_IMMEDIATE_KHR)
{
usedPresentMode = presentModes[i];
@ -169,7 +171,7 @@ VkResult QVk_CreateSwapchain()
// request at least 2 images - this fixes fullscreen crashes on AMD when launching the game in fullscreen
uint32_t imageCount = max(2, surfaceCaps.minImageCount);
if (swapPresentMode == VK_PRESENT_MODE_MAILBOX_KHR)
if (swapPresentMode != VK_PRESENT_MODE_FIFO_KHR)
imageCount = max(3, surfaceCaps.minImageCount);
if (surfaceCaps.maxImageCount > 0)