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vk: Better vsync mode selection (#3571)

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kd-11 2017-10-11 19:10:49 +03:00 committed by GitHub
parent 2e5f8c0786
commit f5d450f24c
1 changed files with 19 additions and 20 deletions
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39
rpcs3/Emu/RSX/VK/VKHelpers.h
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@ -836,34 +836,33 @@ namespace vk
CHECK_RESULT(vkGetPhysicalDeviceSurfacePresentModesKHR(gpu, m_surface, &nb_available_modes, present_modes.data()));
VkPresentModeKHR swapchain_present_mode = VK_PRESENT_MODE_FIFO_KHR;
VkPresentModeKHR preferred_mode = (g_cfg.video.vsync) ? VK_PRESENT_MODE_FIFO_RELAXED_KHR : VK_PRESENT_MODE_IMMEDIATE_KHR;
bool mailbox_exists = false;
std::vector<VkPresentModeKHR> preferred_modes;
for (VkPresentModeKHR mode : present_modes)
//List of preferred modes in decreasing desirability
if (g_cfg.video.vsync)
preferred_modes = { VK_PRESENT_MODE_MAILBOX_KHR };
else
preferred_modes = { VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_RELAXED_KHR, VK_PRESENT_MODE_MAILBOX_KHR };
bool mode_found = false;
for (VkPresentModeKHR preferred_mode : preferred_modes)
{
if (mode == VK_PRESENT_MODE_MAILBOX_KHR)
//Search for this mode in supported modes
for (VkPresentModeKHR mode : present_modes)
{
mailbox_exists = true;
continue;
if (mode == preferred_mode)
{
swapchain_present_mode = mode;
mode_found = true;
break;
}
}
if (mode == preferred_mode)
{
swapchain_present_mode = mode;
if (mode_found)
break;
}
}
if (preferred_mode != swapchain_present_mode)
{
//Preferred video mode was not found. Fall back to mailbox if it exists
LOG_WARNING(RSX, "Swapchain: Could not set the preferred present mode 0x%X. Falling back to mailbox if supported (supported=%d)", (u32)preferred_mode, mailbox_exists);
if (mailbox_exists)
{
swapchain_present_mode = VK_PRESENT_MODE_MAILBOX_KHR;
}
}
LOG_NOTICE(RSX, "Swapchain: present mode %d in use.", (s32&)swapchain_present_mode);
uint32_t nb_swap_images = surface_descriptors.minImageCount + 1;
if (surface_descriptors.maxImageCount > 0)