Merge "Pass in VkImageCompressionControlEXT for swapchain usage query" into main
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index 0c48611..4f7b0f4 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -1485,10 +1485,33 @@
return VK_SUCCESS;
}
+ // Look through the create_info pNext chain passed to createSwapchainKHR
+ // for an image compression control struct.
+ // if one is found AND the appropriate extensions are enabled, create a
+ // VkImageCompressionControlEXT structure to pass on to GetPhysicalDeviceImageFormatProperties2
+ void* compression_control_pNext = nullptr;
+ VkImageCompressionControlEXT image_compression = {};
+ const VkSwapchainCreateInfoKHR* create_infos = create_info;
+ while (create_infos->pNext) {
+ create_infos = reinterpret_cast<const VkSwapchainCreateInfoKHR*>(create_infos->pNext);
+ switch (create_infos->sType) {
+ case VK_STRUCTURE_TYPE_IMAGE_COMPRESSION_CONTROL_EXT: {
+ const VkImageCompressionControlEXT* compression_infos =
+ reinterpret_cast<const VkImageCompressionControlEXT*>(create_infos);
+ image_compression = *compression_infos;
+ image_compression.pNext = nullptr;
+ compression_control_pNext = &image_compression;
+ } break;
+ default:
+ // Ignore all other info structs
+ break;
+ }
+ }
+
// call GetPhysicalDeviceImageFormatProperties2KHR
VkPhysicalDeviceExternalImageFormatInfo external_image_format_info = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO,
- .pNext = nullptr,
+ .pNext = compression_control_pNext,
.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID,
};