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/*
* 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,
};
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