monado/src/xrt/state_trackers/oxr/oxr_swapchain_vk.c
2021-03-24 17:50:08 +00:00

78 lines
1.9 KiB
C

// Copyright 2019-2021, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
* @file
* @brief Holds Vulkan swapchain related functions.
* @author Jakob Bornecrantz <jakob@collabora.com>
* @ingroup oxr_main
* @ingroup comp_client
*/
#include <stdlib.h>
#include "xrt/xrt_gfx_xlib.h"
#include "util/u_debug.h"
#include "oxr_objects.h"
#include "oxr_logger.h"
static XrResult
oxr_swapchain_vk_destroy(struct oxr_logger *log, struct oxr_swapchain *sc)
{
// Release any waited image.
if (sc->waited.yes) {
sc->release_image(log, sc, NULL);
}
// Release any acquired images.
XrSwapchainImageWaitInfo waitInfo = {0};
while (!u_index_fifo_is_empty(&sc->acquired.fifo)) {
sc->wait_image(log, sc, &waitInfo);
sc->release_image(log, sc, NULL);
}
// Drop our reference, does NULL checking.
xrt_swapchain_reference(&sc->swapchain, NULL);
return XR_SUCCESS;
}
static XrResult
oxr_swapchain_vk_enumerate_images(struct oxr_logger *log,
struct oxr_swapchain *sc,
uint32_t count,
XrSwapchainImageBaseHeader *images)
{
struct xrt_swapchain_vk *xscvk = (struct xrt_swapchain_vk *)sc->swapchain;
XrSwapchainImageVulkanKHR *vk_imgs = (XrSwapchainImageVulkanKHR *)images;
for (uint32_t i = 0; i < count; i++) {
vk_imgs[i].image = xscvk->images[i];
}
return oxr_session_success_result(sc->sess);
}
XrResult
oxr_swapchain_vk_create(struct oxr_logger *log,
struct oxr_session *sess,
const XrSwapchainCreateInfo *createInfo,
struct oxr_swapchain **out_swapchain)
{
struct oxr_swapchain *sc;
XrResult ret;
ret = oxr_create_swapchain(log, sess, createInfo, &sc);
if (ret != XR_SUCCESS) {
return ret;
}
sc->destroy = oxr_swapchain_vk_destroy;
sc->enumerate_images = oxr_swapchain_vk_enumerate_images;
*out_swapchain = sc;
return XR_SUCCESS;
}