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Check against surface capability usage flags instead of format flags for setting additional swapchain usage flags

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saschawillems 2018-06-02 11:31:25 +02:00
parent 2d1287df75
commit a60fa850f4
1 changed files with 7 additions and 4 deletions
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11
base/VulkanSwapChain.hpp
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@ -391,13 +391,16 @@ public:
swapchainCI.clipped = VK_TRUE;
swapchainCI.compositeAlpha = compositeAlpha;
// Set additional usage flag for blitting from the swapchain images if supported
VkFormatProperties formatProps;
vkGetPhysicalDeviceFormatProperties(physicalDevice, colorFormat, &formatProps);
if ((formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR) || (formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT)) {
// Enable transfer source on swap chain images if supported
if (surfCaps.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_SRC_BIT) {
swapchainCI.imageUsage |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
}
// Enable transfer destination on swap chain images if supported
if (surfCaps.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT) {
swapchainCI.imageUsage |= VK_IMAGE_USAGE_TRANSFER_DST_BIT;
}
VK_CHECK_RESULT(fpCreateSwapchainKHR(device, &swapchainCI, nullptr, &swapChain));
// If an existing swap chain is re-created, destroy the old swap chain