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Support disabling vsync on Vulkan, take 2 (#1925)

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* Support disabling Vsync on Vulkan [couriersud]

* Add missing lines to fix compiling.
This commit is contained in:
R. Belmont
2019-10-28 19:04:36 -04:00
committed by Бранимир Караџић
parent 6097f53378
commit 02496b75c9
1 changed files with 36 additions and 0 deletions
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36
src/renderer_vk.cpp
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@@ -2760,6 +2760,42 @@ VK_IMPORT_DEVICE
VK_CHECK(vkDeviceWaitIdle(m_device) );
releaseSwapchainFramebuffer();
releaseSwapchain();
uint32_t numPresentModes(10);
VkPresentModeKHR presentModes[10];
vkGetPhysicalDeviceSurfacePresentModesKHR(m_physicalDevice, m_surface, &numPresentModes, presentModes);
uint32_t presentModeIdx = numPresentModes;
VkPresentModeKHR preferredPresentMode[] = {
VK_PRESENT_MODE_FIFO_KHR,
VK_PRESENT_MODE_FIFO_RELAXED_KHR,
VK_PRESENT_MODE_MAILBOX_KHR,
VK_PRESENT_MODE_IMMEDIATE_KHR,
};
bool has_vsync[] = { true, true, true, false };
bool vsync = (flags & BGFX_RESET_VSYNC ? true : false);
for (uint32_t ii = 0; ii < BX_COUNTOF(preferredPresentMode); ++ii)
{
for (uint32_t jj = 0; jj < numPresentModes; ++jj)
{
if ((presentModes[jj] == preferredPresentMode[ii]) && (vsync == has_vsync[ii]))
{
presentModeIdx = jj;
BX_TRACE("present mode: %d", (int)preferredPresentMode[ii]);
break;
}
}
if (presentModeIdx < numPresentModes)
{
break;
}
}
if (presentModeIdx == numPresentModes)
{
presentModeIdx = 0;
}
m_sci.presentMode = presentModes[presentModeIdx];
VkSurfaceCapabilitiesKHR surfaceCapabilities;
VK_CHECK(vkGetPhysicalDeviceSurfaceCapabilitiesKHR(m_physicalDevice, m_surface, &surfaceCapabilities) );