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Add explicit surface resize detection and handle window minimize.

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This commit is contained in:
Kearwood Gilbert
2021-08-18 00:58:42 -07:00
parent 2102faf4e5
commit e485518227
1 changed files with 15 additions and 1 deletions
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16
kraken/KRPresentationThread.cpp
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@@ -107,10 +107,24 @@ void KRPresentationThread::renderFrame()
KRSurface& surface = *(*surfaceItr).second;
KRDevice& device = m_pContext->getDeviceManager()->getDeviceInfo(surface.m_deviceHandle);
VkSurfaceCapabilitiesKHR surfaceCapabilities{};
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device.m_device, surface.m_surface, &surfaceCapabilities);
if (surfaceCapabilities.currentExtent.width == 0 || surfaceCapabilities.currentExtent.height == 0) {
// The window may be minimized... Pause rendering until restored.
break;
}
bool resized = false;
if (surface.m_swapChainExtent.width != surfaceCapabilities.currentExtent.width ||
surface.m_swapChainExtent.height != surfaceCapabilities.currentExtent.height) {
// We can't rely on VK_ERROR_OUT_OF_DATE_KHR to always signal when a resize has happend.
// This must also be checked for explicitly.
resized = true;
}
uint32_t imageIndex = 0;
VkResult result = vkAcquireNextImageKHR(device.m_logicalDevice, surface.m_swapChain, UINT64_MAX, surface.m_imageAvailableSemaphore, VK_NULL_HANDLE, &imageIndex);
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) {
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || resized) {
// TODO - Must explicitly detect resize and trigger swapchain re-creation as well
vkDeviceWaitIdle(device.m_logicalDevice);
if (surface.recreateSwapChain() != VK_SUCCESS) {