/* * 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 #include #include #include "wayland_common.h" #include "gl_common.h" struct egl_context { EGLSurface egl_surface; struct wl_egl_window *egl_window; struct { EGLDisplay dpy; EGLContext ctx; EGLConfig conf; } egl; }; static void egl_resize(struct vo_wayland_state *wl, struct egl_context *ctx) { 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; // get the real size of the window // this improves moving the window while resizing it wl_egl_window_get_attached_size(ctx->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(ctx->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, struct egl_context *egl_ctx, MPGLContext *ctx, bool enable_alpha) { EGLint major, minor, n; GL *gl = ctx->gl; const char *eglstr = ""; if (!(egl_ctx->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(egl_ctx->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_CONTEXT_MINOR_VERSION_KHR, */ /* MPGL_VER_GET_MINOR(ctx->requested_gl_version), */ /* EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR, 0, */ /* Segfaults on anything else than the major version */ EGL_NONE }; if (eglBindAPI(EGL_OPENGL_API) != EGL_TRUE) return false; eglChooseConfig(egl_ctx->egl.dpy, config_attribs, &egl_ctx->egl.conf, 1, &n); egl_ctx->egl.ctx = eglCreateContext(egl_ctx->egl.dpy, egl_ctx->egl.conf, EGL_NO_CONTEXT, context_attribs); if (!egl_ctx->egl.ctx) { /* fallback to any GL version */ context_attribs[0] = EGL_NONE; egl_ctx->egl.ctx = eglCreateContext(egl_ctx->egl.dpy, egl_ctx->egl.conf, EGL_NO_CONTEXT, context_attribs); if (!egl_ctx->egl.ctx) return false; } eglMakeCurrent(egl_ctx->egl.dpy, NULL, NULL, egl_ctx->egl.ctx); eglstr = eglQueryString(egl_ctx->egl.dpy, EGL_EXTENSIONS); mpgl_load_functions(gl, (void*(*)(const GLubyte*))eglGetProcAddress, eglstr, wl->log); if (!gl->BindProgram) mpgl_load_functions(gl, NULL, eglstr, wl->log); return true; } static void egl_create_window(struct vo_wayland_state *wl, struct egl_context *egl_ctx, uint32_t width, uint32_t height) { egl_ctx->egl_window = wl_egl_window_create(wl->window.surface, wl->window.width, wl->window.height); egl_ctx->egl_surface = eglCreateWindowSurface(egl_ctx->egl.dpy, egl_ctx->egl.conf, egl_ctx->egl_window, NULL); eglMakeCurrent(egl_ctx->egl.dpy, egl_ctx->egl_surface, egl_ctx->egl_surface, egl_ctx->egl.ctx); wl_display_dispatch_pending(wl->display.display); } static bool config_window_wayland(struct MPGLContext *ctx, uint32_t d_width, uint32_t d_height, uint32_t flags) { struct egl_context * egl_ctx = ctx->priv; struct vo_wayland_state * wl = ctx->vo->wayland; bool enable_alpha = !!(flags & VOFLAG_ALPHA); bool ret = false; if (!vo_wayland_config(ctx->vo, d_width, d_height, flags)) return false; if (!egl_ctx->egl.ctx) { /* Create OpenGL context */ ret = egl_create_context(wl, egl_ctx, 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, egl_ctx, d_width, d_height); return ret; } else { if (!egl_ctx->egl_window) { /* If the context exists and the hidden flag is unset then * create the window */ if (!(VOFLAG_HIDDEN & flags)) egl_create_window(wl, egl_ctx, d_width, d_height); } return true; } } static void releaseGlContext_wayland(MPGLContext *ctx) { GL *gl = ctx->gl; struct egl_context * egl_ctx = ctx->priv; gl->Finish(); eglMakeCurrent(egl_ctx->egl.dpy, NULL, NULL, EGL_NO_CONTEXT); eglDestroyContext(egl_ctx->egl.dpy, egl_ctx->egl.ctx); eglTerminate(egl_ctx->egl.dpy); eglReleaseThread(); wl_egl_window_destroy(egl_ctx->egl_window); egl_ctx->egl.ctx = NULL; } static void swapGlBuffers_wayland(MPGLContext *ctx) { struct egl_context * egl_ctx = ctx->priv; struct vo_wayland_state *wl = ctx->vo->wayland; eglSwapBuffers(egl_ctx->egl.dpy, egl_ctx->egl_surface); if (wl->window.events & VO_EVENT_RESIZE) egl_resize(wl, egl_ctx); } void mpgl_set_backend_wayland(MPGLContext *ctx) { ctx->priv = talloc_zero(ctx, struct egl_context); ctx->config_window = config_window_wayland; ctx->releaseGlContext = releaseGlContext_wayland; ctx->swapGlBuffers = swapGlBuffers_wayland; ctx->vo_control = vo_wayland_control; ctx->vo_init = vo_wayland_init; ctx->vo_uninit = vo_wayland_uninit; }