1 /* 2 * Copyright (c) 2014-2016, NVIDIA CORPORATION. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 * DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifndef WAYLAND_EGLSTREAM_SERVER_H 24 #define WAYLAND_EGLSTREAM_SERVER_H 25 26 #include <wayland-server-protocol.h> 27 #include <EGL/egl.h> 28 #include <EGL/eglext.h> 29 #include "wayland-eglhandle.h" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * Forward declarations 37 */ 38 struct wl_eglstream_display; 39 struct wl_eglstream; 40 41 42 /* 43 * wl_eglstream_display_bind() 44 * 45 * Creates and initializes a wl_eglstream_display connection associated to the 46 * given wl_display and EGLDisplay. 47 */ 48 EGLBoolean 49 wl_eglstream_display_bind(WlEglPlatformData *data, 50 struct wl_display *wlDisplay, 51 EGLDisplay eglDisplay, 52 const char *exts); 53 54 /* 55 * wl_eglstream_display_unbind() 56 * 57 * Destroys the given wl_eglstream_display connection result of a previous 58 * wl_eglstream_display_bind() call. 59 */ 60 void wl_eglstream_display_unbind(struct wl_eglstream_display *wlStreamDpy); 61 62 /* 63 * wl_eglstream_display_get() 64 * 65 * Given an EGL display, returns its associated wl_eglstream_display connection. 66 */ 67 struct wl_eglstream_display* wl_eglstream_display_get(EGLDisplay eglDisplay); 68 69 /* 70 * wl_eglstream_display_get_stream() 71 * 72 * Given a generic wl_resource, returns its associated wl_eglstream. 73 */ 74 struct wl_eglstream* 75 wl_eglstream_display_get_stream(struct wl_eglstream_display *wlStreamDpy, 76 struct wl_resource *resource); 77 78 79 /* wl_eglstream_display definition */ 80 struct wl_eglstream_display { 81 WlEglPlatformData *data; 82 83 struct wl_global *global; 84 struct wl_display *wlDisplay; 85 86 EGLDisplay eglDisplay; 87 struct { 88 int stream_attrib : 1; 89 int stream_cross_process_fd : 1; 90 int stream_remote : 1; 91 int stream_socket : 1; 92 int stream_socket_inet : 1; 93 int stream_socket_unix : 1; 94 int stream_origin : 1; 95 } exts; 96 97 struct { 98 const char *device_name; 99 struct wl_global *global; 100 } *drm; 101 102 int caps_override : 1; 103 int supported_caps; 104 105 struct wl_buffer_interface wl_eglstream_interface; 106 107 struct wl_list link; 108 }; 109 110 /* wl_eglstream definition */ 111 struct wl_eglstream { 112 struct wl_resource *resource; 113 struct wl_eglstream_display *wlStreamDpy; 114 115 int width, height; 116 117 EGLBoolean fromFd; 118 EGLBoolean isInet; 119 int handle; 120 EGLStreamKHR eglStream; 121 122 /* 123 * The following attribute encodes the default value for a 124 * stream's image inversion relative to wayland protocol 125 * convention. Vulkan apps will be set to 'true', while 126 * OpenGL apps will be set to 'false'. 127 * NOTE: EGL_NV_stream_origin is the authorative source of 128 * truth regarding a stream's frame orientation and should be 129 * queried for an accurate value. The following attribute is a 130 * 'best guess' fallback mechanism which should only be used 131 * when a query to EGL_NV_stream_origin fails. 132 */ 133 EGLBoolean yInverted; 134 }; 135 136 #ifdef __cplusplus 137 } 138 #endif 139 140 #endif 141