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Use opaque composition if transparency is disabled

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Riteo 2022-10-19 11:01:53 +02:00
parent 61051a44cc
commit dca76957b2
1 changed files with 15 additions and 11 deletions
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26
drivers/vulkan/vulkan_context.cpp
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@ -1807,18 +1807,22 @@ Error VulkanContext::_update_swap_chain(Window *window) {
preTransform = surfCapabilities.currentTransform;
}
// Find a supported composite alpha mode - one of these is guaranteed to be set.
VkCompositeAlphaFlagBitsKHR compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
VkCompositeAlphaFlagBitsKHR compositeAlphaFlags[4] = {
VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR,
VK_COMPOSITE_ALPHA_POST_MULTIPLIED_BIT_KHR,
VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR,
VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
};
for (uint32_t i = 0; i < ARRAY_SIZE(compositeAlphaFlags); i++) {
if (surfCapabilities.supportedCompositeAlpha & compositeAlphaFlags[i]) {
compositeAlpha = compositeAlphaFlags[i];
break;
if (OS::get_singleton()->is_layered_allowed() || !(surfCapabilities.supportedCompositeAlpha & compositeAlpha)) {
// Find a supported composite alpha mode - one of these is guaranteed to be set.
VkCompositeAlphaFlagBitsKHR compositeAlphaFlags[4] = {
VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR,
VK_COMPOSITE_ALPHA_POST_MULTIPLIED_BIT_KHR,
VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR,
VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
};
for (uint32_t i = 0; i < ARRAY_SIZE(compositeAlphaFlags); i++) {
if (surfCapabilities.supportedCompositeAlpha & compositeAlphaFlags[i]) {
compositeAlpha = compositeAlphaFlags[i];
break;
}
}
}