/* * This file is part of mpv video player. * Copyright © 2013 Alexander Preisinger * * 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 . */ #include "video/out/wayland_common.h" #include "context.h" #include "egl_helpers.h" #include "utils.h" static void egl_resize(struct vo_wayland_state *wl) { int32_t x = wl->window.sh_x; int32_t y = wl->window.sh_y; int32_t width = wl->window.sh_width; int32_t height = wl->window.sh_height; int32_t scale = 1; if (!wl->egl_context.egl_window) return; if (wl->display.current_output) scale = wl->display.current_output->scale; // get the real size of the window // this improves moving the window while resizing it wl_egl_window_get_attached_size(wl->egl_context.egl_window, &wl->window.width, &wl->window.height); MP_VERBOSE(wl, "resizing %dx%d -> %dx%d\n", wl->window.width, wl->window.height, width, height); if (x != 0) x = wl->window.width - width; if (y != 0) y = wl->window.height - height; wl_surface_set_buffer_scale(wl->window.video_surface, scale); wl_egl_window_resize(wl->egl_context.egl_window, scale*width, scale*height, x, y); wl->window.width = width; wl->window.height = height; /* set size for mplayer */ wl->vo->dwidth = scale*wl->window.width; wl->vo->dheight = scale*wl->window.height; wl->vo->want_redraw = true; } static void waylandgl_swap_buffers(struct ra_ctx *ctx) { struct vo_wayland_state *wl = ctx->vo->wayland; vo_wayland_wait_events(ctx->vo, 0); eglSwapBuffers(wl->egl_context.egl.dpy, wl->egl_context.egl_surface); } static bool egl_create_context(struct ra_ctx *ctx, struct vo_wayland_state *wl) { GL *gl = ctx->priv = talloc_zero(ctx, GL); if (!(wl->egl_context.egl.dpy = eglGetDisplay(wl->display.display))) return false; if (eglInitialize(wl->egl_context.egl.dpy, NULL, NULL) != EGL_TRUE) return false; if (!mpegl_create_context(ctx, wl->egl_context.egl.dpy, &wl->egl_context.egl.ctx, &wl->egl_context.egl.conf)) return false; eglMakeCurrent(wl->egl_context.egl.dpy, NULL, NULL, wl->egl_context.egl.ctx); mpegl_load_functions(gl, wl->log); struct ra_gl_ctx_params params = { .swap_buffers = waylandgl_swap_buffers, .native_display_type = "wl", .native_display = wl->display.display, }; if (!ra_gl_ctx_init(ctx, gl, params)) return false; return true; } static void egl_create_window(struct vo_wayland_state *wl) { wl->egl_context.egl_window = wl_egl_window_create(wl->window.video_surface, wl->window.width, wl->window.height); wl->egl_context.egl_surface = eglCreateWindowSurface(wl->egl_context.egl.dpy, wl->egl_context.egl.conf, wl->egl_context.egl_window, NULL); eglMakeCurrent(wl->egl_context.egl.dpy, wl->egl_context.egl_surface, wl->egl_context.egl_surface, wl->egl_context.egl.ctx); wl_display_dispatch_pending(wl->display.display); /** * * * The main change is that if the swap interval is 0 then Mesa won't install a * frame callback so that eglSwapBuffers can be executed as often as necessary. * Instead it will do a sync request after the swap buffers. It will block for * sync complete event in get_back_bo instead of the frame callback. The * compositor is likely to send a release event while processing the new buffer * attach and this makes sure we will receive that before deciding whether to * allocate a new buffer. */ eglSwapInterval(wl->egl_context.egl.dpy, 0); } static bool waylandgl_reconfig(struct ra_ctx *ctx) { struct vo_wayland_state * wl = ctx->vo->wayland; if (!vo_wayland_config(ctx->vo)) return false; if (!wl->egl_context.egl_window) egl_create_window(wl); return true; } static void waylandgl_uninit(struct ra_ctx *ctx) { struct vo_wayland_state *wl = ctx->vo->wayland; ra_gl_ctx_uninit(ctx); if (wl->egl_context.egl.ctx) { eglReleaseThread(); if (wl->egl_context.egl_window) wl_egl_window_destroy(wl->egl_context.egl_window); eglDestroySurface(wl->egl_context.egl.dpy, wl->egl_context.egl_surface); eglMakeCurrent(wl->egl_context.egl.dpy, NULL, NULL, EGL_NO_CONTEXT); eglDestroyContext(wl->egl_context.egl.dpy, wl->egl_context.egl.ctx); } eglTerminate(wl->egl_context.egl.dpy); wl->egl_context.egl.ctx = NULL; vo_wayland_uninit(ctx->vo); } static int waylandgl_control(struct ra_ctx *ctx, int *events, int request, void *data) { struct vo_wayland_state *wl = ctx->vo->wayland; int r = vo_wayland_control(ctx->vo, events, request, data); if (*events & VO_EVENT_RESIZE) { egl_resize(wl); ra_gl_ctx_resize(ctx->swapchain, wl->vo->dwidth, wl->vo->dheight, 0); } return r; } static void wayland_wakeup(struct ra_ctx *ctx) { vo_wayland_wakeup(ctx->vo); } static void wayland_wait_events(struct ra_ctx *ctx, int64_t until_time_us) { vo_wayland_wait_events(ctx->vo, until_time_us); } static bool waylandgl_init(struct ra_ctx *ctx) { if (!vo_wayland_init(ctx->vo)) return false; return egl_create_context(ctx, ctx->vo->wayland); } const struct ra_ctx_fns ra_ctx_wayland_egl = { .type = "opengl", .name = "wayland", .reconfig = waylandgl_reconfig, .control = waylandgl_control, .wakeup = wayland_wakeup, .wait_events = wayland_wait_events, .init = waylandgl_init, .uninit = waylandgl_uninit, };