/* * 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 General Public License as published by * the Free Software Foundation; either version 2 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with mpv. If not, see . */ #include "wayland_common.h" #include "gl_common.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 bool 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 false; 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 false; MP_VERBOSE(wl, "EGL version %d.%d\n", major, minor); EGLint context_attribs[] = { EGL_CONTEXT_MAJOR_VERSION_KHR, MPGL_VER_GET_MAJOR(ctx->requested_gl_version), EGL_NONE }; if (eglBindAPI(EGL_OPENGL_API) != EGL_TRUE) return false; 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 false; } 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); 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); } static bool config_window_wayland(struct MPGLContext *ctx, int flags) { struct vo_wayland_state * wl = ctx->vo->wayland; bool enable_alpha = !!(flags & VOFLAG_ALPHA); bool ret = false; if (!vo_wayland_config(ctx->vo, flags)) return false; if (!wl->egl_context.egl.ctx) { /* Create OpenGL context */ ret = egl_create_context(wl, ctx, enable_alpha); /* If successfully created the context and we don't want to hide the * window than also create the window immediately */ if (ret && !(VOFLAG_HIDDEN & flags)) egl_create_window(wl); return ret; } else { if (!wl->egl_context.egl_window) { /* If the context exists and the hidden flag is unset then * create the window */ if (!(VOFLAG_HIDDEN & flags)) egl_create_window(wl); } return true; } } static void releaseGlContext_wayland(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; } static void swapGlBuffers_wayland(MPGLContext *ctx) { struct vo_wayland_state *wl = ctx->vo->wayland; eglSwapBuffers(wl->egl_context.egl.dpy, wl->egl_context.egl_surface); } static int control(struct vo *vo, int *events, int request, void *data) { struct vo_wayland_state *wl = vo->wayland; int r = vo_wayland_control(vo, events, request, data); if (*events & VO_EVENT_RESIZE) egl_resize(wl); return r; } void mpgl_set_backend_wayland(MPGLContext *ctx) { ctx->config_window = config_window_wayland; ctx->releaseGlContext = releaseGlContext_wayland; ctx->swapGlBuffers = swapGlBuffers_wayland; ctx->vo_control = control; ctx->vo_init = vo_wayland_init; ctx->vo_uninit = vo_wayland_uninit; }