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Enable transparency support in Vulkan swapchains

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(cherry picked from commit 431a69e357)
This commit is contained in:
Ari Vuollet
2025-02-01 22:06:29 +02:00
parent c523079f0e
commit 64cceac913
1 changed files with 3 additions and 1 deletions
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4
Source/Engine/GraphicsDevice/Vulkan/GPUSwapChainVulkan.cpp
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@@ -374,7 +374,9 @@ bool GPUSwapChainVulkan::CreateSwapChain(int32 width, int32 height)
swapChainInfo.presentMode = presentMode;
swapChainInfo.clipped = VK_TRUE;
swapChainInfo.compositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR;
if (surfProperties.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR)
if (_window->GetSettings().SupportsTransparency && surfProperties.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR)
swapChainInfo.compositeAlpha = VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
else if (surfProperties.supportedCompositeAlpha & VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR)
swapChainInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
// Create swap chain