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Fix occluded or hidden windows causing the engine to freeze on Wayland

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This commit is contained in:
Ari Vuollet
2025-04-16 22:31:31 +03:00
parent 7dfd7de0b7
commit 018282bc33
1 changed files with 11 additions and 2 deletions
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13
Source/Engine/GraphicsDevice/Vulkan/GPUSwapChainVulkan.cpp
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@@ -349,13 +349,22 @@ bool GPUSwapChainVulkan::CreateSwapChain(int32 width, int32 height)
LOG(Error, "Vulkan swapchain dimensions are invalid {}x{} (minImageExtent={}x{}, maxImageExtent={}x{})", width, height, surfProperties.minImageExtent.width, surfProperties.minImageExtent.height, surfProperties.maxImageExtent.width, surfProperties.maxImageExtent.height);
return true;
}
uint32_t backbuffersCount = VULKAN_BACK_BUFFERS_COUNT;
#if PLATFORM_SDL && PLATFORM_LINUX && USE_EDITOR
// Wayland compositor might block one of the backbuffers while the window is minimized or fully occluded,
// make sure we have at least 3 backbuffers available so double-buffering can be used while we are blocked.
if (Platform::UsesWayland())
backbuffersCount = Math::Max<uint32_t>(backbuffersCount, 3);
#endif
ASSERT(surfProperties.minImageCount <= VULKAN_BACK_BUFFERS_COUNT_MAX);
VkSwapchainCreateInfoKHR swapChainInfo;
RenderToolsVulkan::ZeroStruct(swapChainInfo, VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
swapChainInfo.surface = _surface;
swapChainInfo.minImageCount = surfProperties.maxImageCount > 0 // A value of 0 means that there is no limit on the number of image
? Math::Min<uint32_t>(VULKAN_BACK_BUFFERS_COUNT, surfProperties.maxImageCount)
: VULKAN_BACK_BUFFERS_COUNT;
? Math::Min<uint32_t>(backbuffersCount, surfProperties.maxImageCount)
: backbuffersCount;
swapChainInfo.minImageCount = Math::Max<uint32_t>(swapChainInfo.minImageCount, surfProperties.minImageCount);
swapChainInfo.minImageCount = Math::Min<uint32_t>(swapChainInfo.minImageCount, VULKAN_BACK_BUFFERS_COUNT_MAX);
swapChainInfo.imageFormat = result.format;