mirror of
https://gitlab.freedesktop.org/monado/monado.git
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9087d1c7a9
This adds some Android support in composition clients, and fixes the breakage from 2 commits ago. Thanks to Jakob for finding my error in an earlier version.
92 lines
2 KiB
C
92 lines
2 KiB
C
// Copyright 2020, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Vulkan image allocator helper.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup aux_vk
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*/
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#pragma once
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#include "xrt/xrt_config_os.h"
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#include "xrt/xrt_vulkan_includes.h"
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#include "vk/vk_helpers.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*!
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* @ingroup aux_vk
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* @{
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*/
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struct vk_image
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{
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VkImage handle;
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VkDeviceMemory memory;
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VkDeviceSize size;
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};
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struct vk_image_collection
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{
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struct xrt_swapchain_create_info info;
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struct vk_image images[8];
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uint32_t num_images;
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};
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/*!
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* Allocates image(s) using the information specified int he swapcain create
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* info.
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*/
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VkResult
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vk_ic_allocate(struct vk_bundle *vk,
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const struct xrt_swapchain_create_info *xscci,
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uint32_t num_images,
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struct vk_image_collection *out_vkic);
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/*!
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* Imports and set images from the given FDs.
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*/
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VkResult
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vk_ic_from_natives(struct vk_bundle *vk,
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const struct xrt_swapchain_create_info *xscci,
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struct xrt_image_native *native_images,
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uint32_t num_images,
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struct vk_image_collection *out_vkic);
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/*!
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* Free all images created on this image collection, doesn't free the struct
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* itself so the caller needs to ensure that.
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*/
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void
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vk_ic_destroy(struct vk_bundle *vk, struct vk_image_collection *vkic);
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/*!
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* Get the native handles (FDs on desktop Linux) for the images, this is a all
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* or nothing function. The ownership is transferred from the images to the
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* caller so it is responsible for them to be closed just like with
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* vkGetMemoryFdKHR.
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*
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* @see
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* https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VK_KHR_external_memory_fd.html
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*/
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VkResult
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vk_ic_get_handles(struct vk_bundle *vk,
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struct vk_image_collection *vkic,
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uint32_t max_handles,
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xrt_graphics_buffer_handle_t *out_handles);
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/*!
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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