diff options
Diffstat (limited to 'video/out/vulkan/context_wayland.c')
-rw-r--r-- | video/out/vulkan/context_wayland.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/video/out/vulkan/context_wayland.c b/video/out/vulkan/context_wayland.c new file mode 100644 index 0000000..761ff5b --- /dev/null +++ b/video/out/vulkan/context_wayland.c @@ -0,0 +1,167 @@ +/* + * This file is part of mpv. + * + * mpv is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * mpv is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with mpv. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "video/out/gpu/context.h" +#include "video/out/present_sync.h" +#include "video/out/wayland_common.h" + +#include "common.h" +#include "context.h" +#include "utils.h" + +struct priv { + struct mpvk_ctx vk; +}; + +static bool wayland_vk_check_visible(struct ra_ctx *ctx) +{ + return vo_wayland_check_visible(ctx->vo); +} + +static void wayland_vk_swap_buffers(struct ra_ctx *ctx) +{ + struct vo_wayland_state *wl = ctx->vo->wl; + + if (!wl->opts->disable_vsync) + vo_wayland_wait_frame(wl); + + if (wl->use_present) + present_sync_swap(wl->present); +} + +static void wayland_vk_get_vsync(struct ra_ctx *ctx, struct vo_vsync_info *info) +{ + struct vo_wayland_state *wl = ctx->vo->wl; + if (wl->use_present) + present_sync_get_info(wl->present, info); +} + +static void wayland_vk_uninit(struct ra_ctx *ctx) +{ + struct priv *p = ctx->priv; + + ra_vk_ctx_uninit(ctx); + mpvk_uninit(&p->vk); + vo_wayland_uninit(ctx->vo); +} + +static bool wayland_vk_init(struct ra_ctx *ctx) +{ + struct priv *p = ctx->priv = talloc_zero(ctx, struct priv); + struct mpvk_ctx *vk = &p->vk; + int msgl = ctx->opts.probing ? MSGL_V : MSGL_ERR; + + if (!mpvk_init(vk, ctx, VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME)) + goto error; + + if (!vo_wayland_init(ctx->vo)) + goto error; + + VkWaylandSurfaceCreateInfoKHR wlinfo = { + .sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR, + .display = ctx->vo->wl->display, + .surface = ctx->vo->wl->surface, + }; + + struct ra_vk_ctx_params params = { + .check_visible = wayland_vk_check_visible, + .swap_buffers = wayland_vk_swap_buffers, + .get_vsync = wayland_vk_get_vsync, + }; + + VkInstance inst = vk->vkinst->instance; + VkResult res = vkCreateWaylandSurfaceKHR(inst, &wlinfo, NULL, &vk->surface); + if (res != VK_SUCCESS) { + MP_MSG(ctx, msgl, "Failed creating Wayland surface\n"); + goto error; + } + + /* Because in Wayland clients render whenever they receive a callback from + * the compositor, and the fact that the compositor usually stops sending + * callbacks once the surface is no longer visible, using FIFO here would + * mean the entire player would block on acquiring swapchain images. Hence, + * use MAILBOX to guarantee that there'll always be a swapchain image and + * the player won't block waiting on those */ + if (!ra_vk_ctx_init(ctx, vk, params, VK_PRESENT_MODE_MAILBOX_KHR)) + goto error; + + ra_add_native_resource(ctx->ra, "wl", ctx->vo->wl->display); + + return true; + +error: + wayland_vk_uninit(ctx); + return false; +} + +static bool resize(struct ra_ctx *ctx) +{ + struct vo_wayland_state *wl = ctx->vo->wl; + + MP_VERBOSE(wl, "Handling resize on the vk side\n"); + + const int32_t width = mp_rect_w(wl->geometry); + const int32_t height = mp_rect_h(wl->geometry); + + vo_wayland_set_opaque_region(wl, ctx->opts.want_alpha); + vo_wayland_handle_fractional_scale(wl); + return ra_vk_ctx_resize(ctx, width, height); +} + +static bool wayland_vk_reconfig(struct ra_ctx *ctx) +{ + return vo_wayland_reconfig(ctx->vo); +} + +static int wayland_vk_control(struct ra_ctx *ctx, int *events, int request, void *arg) +{ + int ret = vo_wayland_control(ctx->vo, events, request, arg); + if (*events & VO_EVENT_RESIZE) { + if (!resize(ctx)) + return VO_ERROR; + } + return ret; +} + +static void wayland_vk_wakeup(struct ra_ctx *ctx) +{ + vo_wayland_wakeup(ctx->vo); +} + +static void wayland_vk_wait_events(struct ra_ctx *ctx, int64_t until_time_ns) +{ + vo_wayland_wait_events(ctx->vo, until_time_ns); +} + +static void wayland_vk_update_render_opts(struct ra_ctx *ctx) +{ + struct vo_wayland_state *wl = ctx->vo->wl; + vo_wayland_set_opaque_region(wl, ctx->opts.want_alpha); + wl_surface_commit(wl->surface); +} + +const struct ra_ctx_fns ra_ctx_vulkan_wayland = { + .type = "vulkan", + .name = "waylandvk", + .reconfig = wayland_vk_reconfig, + .control = wayland_vk_control, + .wakeup = wayland_vk_wakeup, + .wait_events = wayland_vk_wait_events, + .update_render_opts = wayland_vk_update_render_opts, + .init = wayland_vk_init, + .uninit = wayland_vk_uninit, +}; |