/* * 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 #include #include #include "video/out/present_sync.h" #include "video/out/wayland_common.h" #include "context.h" #include "egl_helpers.h" #include "utils.h" #define EGL_PLATFORM_WAYLAND_EXT 0x31D8 struct priv { GL gl; EGLDisplay egl_display; EGLContext egl_context; EGLSurface egl_surface; EGLConfig egl_config; struct wl_egl_window *egl_window; }; static void resize(struct ra_ctx *ctx) { struct priv *p = ctx->priv; struct vo_wayland_state *wl = ctx->vo->wl; MP_VERBOSE(wl, "Handling resize on the egl side\n"); const int32_t width = mp_rect_w(wl->geometry); const int32_t height = mp_rect_h(wl->geometry); vo_wayland_handle_scale(wl); vo_wayland_set_opaque_region(wl, ctx->opts.want_alpha); if (p->egl_window) wl_egl_window_resize(p->egl_window, width, height, 0, 0); wl->vo->dwidth = width; wl->vo->dheight = height; } static bool wayland_egl_check_visible(struct ra_ctx *ctx) { return vo_wayland_check_visible(ctx->vo); } static void wayland_egl_swap_buffers(struct ra_ctx *ctx) { struct priv *p = ctx->priv; struct vo_wayland_state *wl = ctx->vo->wl; eglSwapBuffers(p->egl_display, p->egl_surface); if (!wl->opts->wl_disable_vsync) vo_wayland_wait_frame(wl); if (wl->use_present) present_sync_swap(wl->present); } static void wayland_egl_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 bool egl_create_context(struct ra_ctx *ctx) { struct priv *p = ctx->priv = talloc_zero(ctx, struct priv); struct vo_wayland_state *wl = ctx->vo->wl; if (!(p->egl_display = mpegl_get_display(EGL_PLATFORM_WAYLAND_EXT, "EGL_EXT_platform_wayland", wl->display))) return false; if (eglInitialize(p->egl_display, NULL, NULL) != EGL_TRUE) return false; if (!mpegl_create_context(ctx, p->egl_display, &p->egl_context, &p->egl_config)) return false; eglMakeCurrent(p->egl_display, NULL, NULL, p->egl_context); mpegl_load_functions(&p->gl, wl->log); struct ra_gl_ctx_params params = { .check_visible = wayland_egl_check_visible, .swap_buffers = wayland_egl_swap_buffers, .get_vsync = wayland_egl_get_vsync, }; if (!ra_gl_ctx_init(ctx, &p->gl, params)) return false; ra_add_native_resource(ctx->ra, "wl", wl->display); return true; } static void egl_create_window(struct ra_ctx *ctx) { struct priv *p = ctx->priv; struct vo_wayland_state *wl = ctx->vo->wl; p->egl_window = wl_egl_window_create(wl->surface, mp_rect_w(wl->geometry), mp_rect_h(wl->geometry)); p->egl_surface = mpegl_create_window_surface( p->egl_display, p->egl_config, p->egl_window); if (p->egl_surface == EGL_NO_SURFACE) { p->egl_surface = eglCreateWindowSurface( p->egl_display, p->egl_config, p->egl_window, NULL); } eglMakeCurrent(p->egl_display, p->egl_surface, p->egl_surface, p->egl_context); // eglMakeCurrent may not configure the draw or read buffers if the context // has been made current previously. On nvidia GL_NONE is bound because EGL_NO_SURFACE // is used initially and we must bind the read and draw buffers here. if(!p->gl.es) { p->gl.ReadBuffer(GL_BACK); p->gl.DrawBuffer(GL_BACK); } eglSwapInterval(p->egl_display, 0); } static bool wayland_egl_reconfig(struct ra_ctx *ctx) { struct priv *p = ctx->priv; if (!vo_wayland_reconfig(ctx->vo)) return false; if (!p->egl_window) egl_create_window(ctx); return true; } static void wayland_egl_uninit(struct ra_ctx *ctx) { struct priv *p = ctx->priv; ra_gl_ctx_uninit(ctx); if (p->egl_context) { eglReleaseThread(); if (p->egl_window) wl_egl_window_destroy(p->egl_window); eglDestroySurface(p->egl_display, p->egl_surface); eglMakeCurrent(p->egl_display, NULL, NULL, EGL_NO_CONTEXT); eglDestroyContext(p->egl_display, p->egl_context); p->egl_context = NULL; } eglTerminate(p->egl_display); vo_wayland_uninit(ctx->vo); } static int wayland_egl_control(struct ra_ctx *ctx, int *events, int request, void *data) { struct vo_wayland_state *wl = ctx->vo->wl; int r = vo_wayland_control(ctx->vo, events, request, data); if (*events & VO_EVENT_RESIZE) { resize(ctx); ra_gl_ctx_resize(ctx->swapchain, wl->vo->dwidth, wl->vo->dheight, 0); } return r; } static void wayland_egl_wakeup(struct ra_ctx *ctx) { vo_wayland_wakeup(ctx->vo); } static void wayland_egl_wait_events(struct ra_ctx *ctx, int64_t until_time_ns) { vo_wayland_wait_events(ctx->vo, until_time_ns); } static void wayland_egl_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); } static bool wayland_egl_init(struct ra_ctx *ctx) { if (!vo_wayland_init(ctx->vo)) return false; return egl_create_context(ctx); } const struct ra_ctx_fns ra_ctx_wayland_egl = { .type = "opengl", .name = "wayland", .description = "Wayland/EGL", .reconfig = wayland_egl_reconfig, .control = wayland_egl_control, .wakeup = wayland_egl_wakeup, .wait_events = wayland_egl_wait_events, .update_render_opts = wayland_egl_update_render_opts, .init = wayland_egl_init, .uninit = wayland_egl_uninit, };