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125 lines
3.7 KiB
C
125 lines
3.7 KiB
C
// Copyright 2019-2021, 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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#if defined(XR_USE_GRAPHICS_API_OPENGL) || defined(XR_USE_GRAPHICS_API_OPENGL_ES)
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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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// Release any waited image.
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if (sc->waited.yes) {
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sc->release_image(log, sc, NULL);
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}
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// Release any acquired images.
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XrSwapchainImageWaitInfo waitInfo = {0};
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while (!u_index_fifo_is_empty(&sc->acquired.fifo)) {
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sc->wait_image(log, sc, &waitInfo);
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sc->release_image(log, sc, NULL);
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}
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// Drop our reference, does NULL checking.
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xrt_swapchain_reference(&sc->swapchain, NULL);
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return XR_SUCCESS;
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}
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#if defined(XR_USE_GRAPHICS_API_OPENGL)
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static XrResult
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oxr_swapchain_gl_enumerate_images_gl(struct oxr_logger *log,
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struct oxr_swapchain *sc,
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uint32_t count,
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XrSwapchainImageOpenGLKHR *images)
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{
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struct xrt_swapchain_gl *xsc = (struct xrt_swapchain_gl *)sc->swapchain;
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for (uint32_t i = 0; i < count; i++) {
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if (images[i].type != images[0].type) {
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return oxr_error(log, XR_ERROR_VALIDATION_FAILURE, "Images array contains mixed types");
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}
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images[i].image = xsc->images[i];
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}
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return oxr_session_success_result(sc->sess);
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}
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#endif // XR_USE_GRAPHICS_API_OPENGL
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#if defined(XR_USE_GRAPHICS_API_OPENGL_ES)
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static XrResult
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oxr_swapchain_gl_enumerate_images_gles(struct oxr_logger *log,
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struct oxr_swapchain *sc,
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uint32_t count,
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XrSwapchainImageOpenGLESKHR *images)
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{
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struct xrt_swapchain_gl *xsc = (struct xrt_swapchain_gl *)sc->swapchain;
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for (uint32_t i = 0; i < count; i++) {
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if (images[i].type != images[0].type) {
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return oxr_error(log, XR_ERROR_VALIDATION_FAILURE, "Images array contains mixed types");
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}
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images[i].image = xsc->images[i];
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}
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return oxr_session_success_result(sc->sess);
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}
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#endif // XR_USE_GRAPHICS_API_OPENGL_ES
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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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assert(count > 0);
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switch (images[0].type) {
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#if defined(XR_USE_GRAPHICS_API_OPENGL)
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case XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_KHR:
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return oxr_swapchain_gl_enumerate_images_gl(log, sc, count, (XrSwapchainImageOpenGLKHR *)images);
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#endif // XR_USE_GRAPHICS_API_OPENGL
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#if defined(XR_USE_GRAPHICS_API_OPENGL_ES)
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case XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_ES_KHR:
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return oxr_swapchain_gl_enumerate_images_gles(log, sc, count, (XrSwapchainImageOpenGLESKHR *)images);
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#endif // XR_USE_GRAPHICS_API_OPENGL_ES
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default: return oxr_error(log, XR_ERROR_VALIDATION_FAILURE, "Unsupported XrSwapchainImageBaseHeader type");
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}
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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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#endif // XR_USE_GRAPHICS_API_OPENGL || XR_USE_GRAPHICS_API_OPENGL_ES
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