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Commit 7a844315 authored by Vamsidhar reddy Gaddam's avatar Vamsidhar reddy Gaddam
Browse files

Pass in VkImageCompressionControlEXT for swapchain usage query 

When using vkGetPhysicalDeviceImageFormatProperties2KHR to query usage
flags, pass the application provided VkImageCompressionControlEXT struct
to get the correct usage flags.

Bug: 307696078
Change-Id: Idcad0589a1e05bd8e7574fbb1bdd1346aad325f9
parent b06d4130

vulkan/libvulkan/swapchain.cpp

+24 −1
Original line number Diff line number Diff line
@@ -1485,10 +1485,33 @@ static VkResult getProducerUsage(const VkDevice& device, 
        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,

    };