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https://gitlab.freedesktop.org/monado/monado.git
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153 lines
3.8 KiB
C
153 lines
3.8 KiB
C
// Copyright 2022-2023, 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 Swapchain code for the sdl code.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup sdl_test
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*/
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#include "sdl_internal.h"
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#include "util/u_handles.h"
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#include "ogl/ogl_helpers.h"
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#include <inttypes.h>
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static void
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post_init_setup(struct sdl_swapchain *ssc, struct sdl_program *sp, const struct xrt_swapchain_create_info *info)
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{
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ST_DEBUG(sp, "CREATE");
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sdl_make_current(sp);
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struct ogl_import_results results = XRT_STRUCT_INIT;
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bool bret = ogl_import_from_native( //
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ssc->base.base.images, // native_images
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ssc->base.base.base.image_count, // native_count
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info, // info
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&results); // results
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assert(bret);
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(void)bret;
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sdl_make_uncurrent(sp);
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// Setup fields
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ssc->sp = sp;
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ssc->w = (int)results.width;
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ssc->h = (int)results.height;
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for (uint32_t i = 0; i < results.image_count; i++) {
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ssc->memory[i] = results.memories[i];
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ssc->textures[i] = results.textures[i];
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}
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}
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static void
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really_destroy(struct comp_swapchain *sc)
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{
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struct sdl_swapchain *ssc = (struct sdl_swapchain *)sc;
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struct sdl_program *sp = ssc->sp;
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ST_DEBUG(sp, "DESTROY");
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sdl_make_current(sp);
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uint32_t image_count = ssc->base.base.base.image_count;
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if (image_count > 0) {
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glDeleteTextures(image_count, ssc->textures);
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glDeleteMemoryObjectsEXT(image_count, ssc->memory);
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U_ZERO_ARRAY(ssc->textures);
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U_ZERO_ARRAY(ssc->memory);
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}
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sdl_make_uncurrent(sp);
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// Teardown the base swapchain, freeing all Vulkan resources.
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comp_swapchain_teardown(sc);
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// Teardown does not free the struct itself.
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free(ssc);
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}
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/*
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*
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* 'Exported' functions.
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*
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*/
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xrt_result_t
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sdl_swapchain_create(struct xrt_compositor *xc,
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const struct xrt_swapchain_create_info *info,
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struct xrt_swapchain **out_xsc)
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{
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struct sdl_program *sp = from_comp(xc);
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xrt_result_t xret;
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/*
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* In case the default get properties function have been overridden
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* make sure to correctly dispatch the call to get the properties.
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*/
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struct xrt_swapchain_create_properties xsccp = {0};
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xrt_comp_get_swapchain_create_properties(xc, info, &xsccp);
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struct sdl_swapchain *ssc = U_TYPED_CALLOC(struct sdl_swapchain);
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xret = comp_swapchain_create_init( //
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&ssc->base, //
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really_destroy, //
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&sp->c.base.vk, //
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&sp->c.base.cscs, //
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info, //
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&xsccp); //
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if (xret != XRT_SUCCESS) {
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free(ssc);
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return xret;
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}
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// Init SDL fields and create OpenGL resources.
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post_init_setup(ssc, sp, info);
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// Correctly setup refcounts, init sets refcount to zero.
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xrt_swapchain_reference(out_xsc, &ssc->base.base.base);
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return xret;
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}
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xrt_result_t
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sdl_swapchain_import(struct xrt_compositor *xc,
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const struct xrt_swapchain_create_info *info,
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struct xrt_image_native *native_images,
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uint32_t native_image_count,
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struct xrt_swapchain **out_xsc)
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{
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struct sdl_program *sp = from_comp(xc);
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xrt_result_t xret;
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struct sdl_swapchain *ssc = U_TYPED_CALLOC(struct sdl_swapchain);
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xret = comp_swapchain_import_init( //
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&ssc->base, //
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really_destroy, //
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&sp->c.base.vk, //
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&sp->c.base.cscs, //
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info, //
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native_images, //
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native_image_count); //
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if (xret != XRT_SUCCESS) {
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free(ssc);
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return xret;
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}
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// Init SDL fields and create OpenGL resources.
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post_init_setup(ssc, sp, info);
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// Correctly setup refcounts, init sets refcount to zero.
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xrt_swapchain_reference(out_xsc, &ssc->base.base.base);
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return xret;
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}
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