/* * 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" 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; if (!wl->egl_context.egl_window) return; // 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_egl_window_resize(wl->egl_context.egl_window, width, height, x, y); wl->window.width = width; wl->window.height = height; /* set size for mplayer */ wl->vo->dwidth = wl->window.width; wl->vo->dheight = wl->window.height; wl->vo->want_redraw = true; wl->window.events = 0; } static int egl_create_context(struct vo_wayland_state *wl, MPGLContext *ctx, bool enable_alpha) { EGLint major, minor, n; GL *gl = ctx->gl; const char *eglstr = ""; if (!(wl->egl_context.egl.dpy = eglGetDisplay(wl->display.display))) return -1; EGLint config_attribs[] = { EGL_SURFACE_TYPE, EGL_WINDOW_BIT, EGL_RED_SIZE, 1, EGL_GREEN_SIZE, 1, EGL_BLUE_SIZE, 1, EGL_ALPHA_SIZE, enable_alpha, EGL_DEPTH_SIZE, 1, EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, EGL_NONE }; /* major and minor here returns the supported EGL version (e.g.: 1.4) */ if (eglInitialize(wl->egl_context.egl.dpy, &major, &minor) != EGL_TRUE) return -1; MP_VERBOSE(wl, "EGL version %d.%d\n", major, minor); EGLint context_attribs[] = { // aka EGL_CONTEXT_MAJOR_VERSION_KHR EGL_CONTEXT_CLIENT_VERSION, 3, EGL_NONE }; if (eglBindAPI(EGL_OPENGL_API) != EGL_TRUE) return -1; eglChooseConfig(wl->egl_context.egl.dpy, config_attribs, &wl->egl_context.egl.conf, 1, &n); wl->egl_context.egl.ctx = eglCreateContext(wl->egl_context.egl.dpy, wl->egl_context.egl.conf, EGL_NO_CONTEXT, context_attribs); if (!wl->egl_context.egl.ctx) { /* fallback to any GL version */ MP_WARN(wl, "can't create context for requested OpenGL version: " "fall back to any version available\n"); context_attribs[0] = EGL_NONE; wl->egl_context.egl.ctx = eglCreateContext(wl->egl_context.egl.dpy, wl->egl_context.egl.conf, EGL_NO_CONTEXT, context_attribs); if (!wl->egl_context.egl.ctx) return -1; } eglMakeCurrent(wl->egl_context.egl.dpy, NULL, NULL, wl->egl_context.egl.ctx); eglstr = eglQueryString(wl->egl_context.egl.dpy, EGL_EXTENSIONS); mpgl_load_functions(gl, (void*(*)(const GLubyte*))eglGetProcAddress, eglstr, wl->log); ctx->native_display_type = "wl"; ctx->native_display = wl->display.display; return 0; } 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 int waylandgl_reconfig(struct MPGLContext *ctx) { struct vo_wayland_state * wl = ctx->vo->wayland; if (!vo_wayland_config(ctx->vo)) return -1; if (!wl->egl_context.egl_window) egl_create_window(wl); return 0; } static void waylandgl_uninit(MPGLContext *ctx) { struct vo_wayland_state *wl = ctx->vo->wayland; if (wl->egl_context.egl.ctx) { eglReleaseThread(); 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 void waylandgl_swap_buffers(MPGLContext *ctx) { struct vo_wayland_state *wl = ctx->vo->wayland; if (!wl->frame.callback) vo_wayland_request_frame(ctx->vo, NULL, NULL); if (!vo_wayland_wait_frame(ctx->vo)) MP_DBG(wl, "discarding frame callback\n"); eglSwapBuffers(wl->egl_context.egl.dpy, wl->egl_context.egl_surface); } static int waylandgl_control(MPGLContext *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); return r; } static int waylandgl_init(struct MPGLContext *ctx, int flags) { if (!vo_wayland_init(ctx->vo)) return -1; return egl_create_context(ctx->vo->wayland, ctx, !!(flags & VOFLAG_ALPHA)); } const struct mpgl_driver mpgl_driver_wayland = { .name = "wayland", .init = waylandgl_init, .reconfig = waylandgl_reconfig, .swap_buffers = waylandgl_swap_buffers, .control = waylandgl_control, .uninit = waylandgl_uninit, };