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98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
// Copyright 2019, 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 Holds OpenGL swapchain related functions.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup oxr_main
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* @ingroup comp_client
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include "xrt/xrt_gfx_xlib.h"
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#include "util/u_debug.h"
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#include "oxr_objects.h"
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#include "oxr_logger.h"
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static XrResult
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oxr_swapchain_gl_destroy(struct oxr_logger *log, struct oxr_swapchain *sc)
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{
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if (sc->acquired_index >= 0) {
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sc->release_image(log, sc, NULL);
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}
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if (sc->swapchain != NULL) {
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sc->swapchain->destroy(sc->swapchain);
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sc->swapchain = NULL;
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}
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return XR_SUCCESS;
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}
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static XrResult
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oxr_swapchain_gl_enumerate_images(struct oxr_logger *log,
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struct oxr_swapchain *sc,
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uint32_t count,
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XrSwapchainImageBaseHeader *images)
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{
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struct xrt_swapchain_gl *xsc = (struct xrt_swapchain_gl *)sc->swapchain;
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XrSwapchainImageOpenGLKHR *gl_imgs = NULL;
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XrSwapchainImageOpenGLESKHR *gles_imgs = NULL;
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assert(count > 0);
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switch (images[0].type) {
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case XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_KHR:
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gl_imgs = (XrSwapchainImageOpenGLKHR *)images;
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break;
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case XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_ES_KHR:
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gles_imgs = (XrSwapchainImageOpenGLESKHR *)images;
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break;
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default:
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return oxr_error(log, XR_ERROR_VALIDATION_FAILURE,
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"unsupported XrSwapchainImageBaseHeader type");
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}
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for (uint32_t i = 0; i < count; i++) {
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if ((gl_imgs != NULL && gl_imgs[i].type != images[0].type) ||
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(gles_imgs != NULL &&
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gles_imgs[i].type != images[0].type)) {
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return oxr_error(log, XR_ERROR_VALIDATION_FAILURE,
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"images array contains mixed types");
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}
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if (gl_imgs != NULL) {
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gl_imgs[i].image = xsc->images[i];
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}
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if (gles_imgs != NULL) {
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gles_imgs[i].image = xsc->images[i];
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}
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}
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return oxr_session_success_result(sc->sess);
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}
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XrResult
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oxr_swapchain_gl_create(struct oxr_logger *log,
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struct oxr_session *sess,
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const XrSwapchainCreateInfo *createInfo,
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struct oxr_swapchain **out_swapchain)
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{
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struct oxr_swapchain *sc;
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XrResult ret;
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ret = oxr_create_swapchain(log, sess, createInfo, &sc);
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if (ret != XR_SUCCESS) {
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return ret;
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}
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sc->destroy = oxr_swapchain_gl_destroy;
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sc->enumerate_images = oxr_swapchain_gl_enumerate_images;
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*out_swapchain = sc;
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return XR_SUCCESS;
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}
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