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[Feat] (MG_Backend/DirectVulkan): add more VkCompositeAlphaFlagBitsKHR candidates

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swung0x48
2026-02-17 22:03:36 +08:00
parent 12d514229c
commit 9226ea092c
1 changed files with 12 additions and 0 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp
+12
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@@ -154,7 +154,19 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
createInfo.preTransform = swapchainCaps.currentTransform;
MGLOG_I("Set swapchain preTransform = %s", string_VkSurfaceTransformFlagBitsKHR(createInfo.preTransform));
const VkCompositeAlphaFlagBitsKHR compositeAlphaCandidates[] = {
VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR,
VK_COMPOSITE_ALPHA_POST_MULTIPLIED_BIT_KHR,
VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR
};
createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
for (auto candidate : compositeAlphaCandidates) {
if ((swapchainCaps.supportedCompositeAlpha & candidate) != 0) {
createInfo.compositeAlpha = candidate;
break;
}
}
createInfo.presentMode = presentMode;
createInfo.clipped = VK_TRUE;
createInfo.oldSwapchain = VK_NULL_HANDLE;