native_shm.c revision 6b52e82768b68dd75bfda9637f0154c5425171ed
1/* 2 * Mesa 3-D graphics library 3 * Version: 7.11 4 * 5 * Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 * DEALINGS IN THE SOFTWARE. 24 */ 25 26#include "util/u_memory.h" 27#include "util/u_inlines.h" 28 29#include "pipe/p_compiler.h" 30#include "pipe/p_screen.h" 31#include "pipe/p_context.h" 32#include "pipe/p_state.h" 33 34#include "sw/wayland/wayland_sw_winsys.h" 35 36#include "egllog.h" 37 38#include "native_wayland.h" 39 40#include <wayland-client.h> 41#include "wayland-egl-priv.h" 42 43#include <sys/types.h> 44#include <sys/stat.h> 45#include <fcntl.h> 46 47struct wayland_shm_display { 48 struct wayland_display base; 49 50 const struct native_event_handler *event_handler; 51 struct wl_shm *wl_shm; 52}; 53 54static INLINE struct wayland_shm_display * 55wayland_shm_display(const struct native_display *ndpy) 56{ 57 return (struct wayland_shm_display *) ndpy; 58} 59 60 61static void 62wayland_shm_display_destroy(struct native_display *ndpy) 63{ 64 struct wayland_shm_display *shmdpy = wayland_shm_display(ndpy); 65 66 if (shmdpy->base.config) 67 FREE(shmdpy->base.config); 68 if (shmdpy->base.own_dpy) 69 wl_display_destroy(shmdpy->base.dpy); 70 71 ndpy_uninit(ndpy); 72 73 FREE(shmdpy); 74} 75 76 77static struct wl_buffer * 78wayland_create_shm_buffer(struct wayland_display *display, 79 struct wayland_surface *surface, 80 enum native_attachment attachment) 81{ 82 struct wayland_shm_display *shmdpy = (struct wayland_shm_display *) display; 83 struct pipe_screen *screen = shmdpy->base.base.screen; 84 struct pipe_resource *resource; 85 struct winsys_handle wsh; 86 uint width, height; 87 uint32_t format; 88 89 resource = resource_surface_get_single_resource(surface->rsurf, attachment); 90 resource_surface_get_size(surface->rsurf, &width, &height); 91 92 screen->resource_get_handle(screen, resource, &wsh); 93 94 pipe_resource_reference(&resource, NULL); 95 96 switch (surface->color_format) { 97 case PIPE_FORMAT_B8G8R8A8_UNORM: 98 format = WL_SHM_FORMAT_PREMULTIPLIED_ARGB32; 99 break; 100 case PIPE_FORMAT_B8G8R8X8_UNORM: 101 format = WL_SHM_FORMAT_XRGB32; 102 break; 103 default: 104 return NULL; 105 break; 106 } 107 108 return wl_shm_create_buffer(shmdpy->wl_shm, wsh.fd, 109 width, height, 110 wsh.stride, format); 111} 112 113static boolean 114wayland_shm_display_init_screen(struct native_display *ndpy) 115{ 116 struct wayland_shm_display *shmdpy = wayland_shm_display(ndpy); 117 struct sw_winsys *winsys = NULL; 118 uint32_t id; 119 120 id = wl_display_get_global(shmdpy->base.dpy, "wl_shm", 1); 121 if (id == 0) 122 wl_display_iterate(shmdpy->base.dpy, WL_DISPLAY_READABLE); 123 id = wl_display_get_global(shmdpy->base.dpy, "wl_shm", 1); 124 if (id == 0) 125 return FALSE; 126 127 shmdpy->wl_shm = wl_display_bind(shmdpy->base.dpy, id, &wl_shm_interface); 128 if (!shmdpy->wl_shm) 129 return FALSE; 130 131 winsys = wayland_create_sw_winsys(shmdpy->base.dpy); 132 if (!winsys) 133 return FALSE; 134 135 shmdpy->base.base.screen = 136 shmdpy->event_handler->new_sw_screen(&shmdpy->base.base, winsys); 137 138 if (!shmdpy->base.base.screen) { 139 _eglLog(_EGL_WARNING, "failed to create shm screen"); 140 return FALSE; 141 } 142 143 return TRUE; 144} 145 146struct wayland_display * 147wayland_create_shm_display(struct wl_display *dpy, 148 const struct native_event_handler *event_handler) 149{ 150 struct wayland_shm_display *shmdpy; 151 152 shmdpy = CALLOC_STRUCT(wayland_shm_display); 153 if (!shmdpy) 154 return NULL; 155 156 shmdpy->event_handler = event_handler; 157 158 shmdpy->base.dpy = dpy; 159 if (!shmdpy->base.dpy) { 160 wayland_shm_display_destroy(&shmdpy->base.base); 161 return NULL; 162 } 163 164 shmdpy->base.base.init_screen = wayland_shm_display_init_screen; 165 shmdpy->base.base.destroy = wayland_shm_display_destroy; 166 shmdpy->base.create_buffer = wayland_create_shm_buffer; 167 168 return &shmdpy->base; 169} 170 171/* vim: set sw=3 ts=8 sts=3 expandtab: */ 172