diff options
| -rw-r--r-- | drivers/vulkan/vulkan_context.cpp | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/vulkan/vulkan_context.cpp b/drivers/vulkan/vulkan_context.cpp index f51fd2a6cf..688efa42e1 100644 --- a/drivers/vulkan/vulkan_context.cpp +++ b/drivers/vulkan/vulkan_context.cpp @@ -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; + } } } |