1 /* 2 * Common framebuffer server functionality. 3 * 4 * (c) 2018 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #pragma once 23 24 #ifdef __cplusplus 25 26 #include <l4/cxx/ipc_server> 27 #include <l4/re/dataspace> 28 #include <l4/re/env> 29 #include <l4/re/c/video/view.h> 30 #include <l4/sys/types.h> 31 32 /* Server object to provide framebuffer data access. */ 33 34 class Framebuffer_server : public L4::Server_object_t<L4::Kobject> 35 { 36 private: 37 L4::Cap<L4Re::Dataspace> _mem; 38 39 public: 40 /* Initialise the server with a capability referencing the exported memory. */ 41 42 explicit Framebuffer_server(L4::Cap<L4Re::Dataspace> mem) 43 : _mem(mem) 44 {} 45 46 int dispatch(l4_umword_t obj, L4::Ipc::Iostream &ios); 47 48 /* Operation methods. */ 49 50 virtual l4_size_t get_framebuffer_size() = 0; 51 virtual void get_view_info(l4re_video_view_info_t *view_info) = 0; 52 }; 53 54 #endif