mirror of https://github.com/mpv-player/mpv
134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "video/out/gpu/context.h"
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#include "video/out/wayland_common.h"
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#include "common.h"
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#include "context.h"
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#include "utils.h"
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struct priv {
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struct mpvk_ctx vk;
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};
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static void wayland_vk_uninit(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv;
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ra_vk_ctx_uninit(ctx);
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mpvk_uninit(&p->vk);
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vo_wayland_uninit(ctx->vo);
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}
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static bool wayland_vk_init(struct ra_ctx *ctx)
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{
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struct priv *p = ctx->priv = talloc_zero(ctx, struct priv);
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struct mpvk_ctx *vk = &p->vk;
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int msgl = ctx->opts.probing ? MSGL_V : MSGL_ERR;
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if (!mpvk_instance_init(vk, ctx->log, VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME,
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ctx->opts.debug))
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goto error;
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if (!vo_wayland_init(ctx->vo))
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goto error;
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VkWaylandSurfaceCreateInfoKHR wlinfo = {
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.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR,
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.display = ctx->vo->wl->display,
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.surface = ctx->vo->wl->surface,
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};
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VkResult res = vkCreateWaylandSurfaceKHR(vk->inst, &wlinfo, MPVK_ALLOCATOR,
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&vk->surf);
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if (res != VK_SUCCESS) {
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MP_MSG(ctx, msgl, "Failed creating Wayland surface: %s\n", vk_err(res));
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goto error;
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}
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/* Because in Wayland clients render whenever they receive a callback from
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* the compositor, and the fact that the compositor usually stops sending
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* callbacks once the surface is no longer visible, using FIFO here would
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* mean the entire player would block on acquiring swapchain images. Hence,
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* use MAILBOX to guarantee that there'll always be a swapchain image and
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* the player won't block waiting on those */
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if (!ra_vk_ctx_init(ctx, vk, VK_PRESENT_MODE_MAILBOX_KHR))
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goto error;
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return true;
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error:
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wayland_vk_uninit(ctx);
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return false;
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}
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static void resize(struct ra_ctx *ctx)
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{
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struct vo_wayland_state *wl = ctx->vo->wl;
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MP_VERBOSE(wl, "Handling resize on the vk side\n");
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const int32_t width = wl->scaling*mp_rect_w(wl->geometry);
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const int32_t height = wl->scaling*mp_rect_h(wl->geometry);
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wl_surface_set_buffer_scale(wl->surface, wl->scaling);
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wl->vo->dwidth = width;
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wl->vo->dheight = height;
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}
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static bool wayland_vk_reconfig(struct ra_ctx *ctx)
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{
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if (!vo_wayland_reconfig(ctx->vo))
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return false;
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return true;
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}
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static int wayland_vk_control(struct ra_ctx *ctx, int *events, int request, void *arg)
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{
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int ret = vo_wayland_control(ctx->vo, events, request, arg);
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if (*events & VO_EVENT_RESIZE) {
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resize(ctx);
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if (ra_vk_ctx_resize(ctx->swapchain, ctx->vo->dwidth, ctx->vo->dheight))
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return VO_ERROR;
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}
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return ret;
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}
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static void wayland_vk_wakeup(struct ra_ctx *ctx)
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{
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vo_wayland_wakeup(ctx->vo);
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}
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static void wayland_vk_wait_events(struct ra_ctx *ctx, int64_t until_time_us)
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{
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vo_wayland_wait_events(ctx->vo, until_time_us);
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}
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const struct ra_ctx_fns ra_ctx_vulkan_wayland = {
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.type = "vulkan",
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.name = "waylandvk",
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.reconfig = wayland_vk_reconfig,
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.control = wayland_vk_control,
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.wakeup = wayland_vk_wakeup,
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.wait_events = wayland_vk_wait_events,
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.init = wayland_vk_init,
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.uninit = wayland_vk_uninit,
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};
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