egl: drop an indentation level in _eglFindDisplay() by replacing break/if with a...
[mesa.git] / src / egl / wayland / wayland-drm / wayland-drm.c
1 /*
2 * Copyright © 2011 Kristian Høgsberg
3 * Copyright © 2011 Benjamin Franzke
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 *
25 * Authors:
26 * Kristian Høgsberg <krh@bitplanet.net>
27 * Benjamin Franzke <benjaminfranzke@googlemail.com>
28 */
29
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <stddef.h>
34 #include <unistd.h>
35
36 #include <wayland-server.h>
37 #include "wayland-drm.h"
38 #include "wayland-drm-server-protocol.h"
39
40 #define MIN(x,y) (((x)<(y))?(x):(y))
41
42 static void
43 destroy_buffer(struct wl_resource *resource)
44 {
45 struct wl_drm_buffer *buffer = wl_resource_get_user_data(resource);
46 struct wl_drm *drm = buffer->drm;
47
48 drm->callbacks.release_buffer(drm->user_data, buffer);
49 free(buffer);
50 }
51
52 static void
53 buffer_destroy(struct wl_client *client, struct wl_resource *resource)
54 {
55 wl_resource_destroy(resource);
56 }
57
58 static void
59 create_buffer(struct wl_client *client, struct wl_resource *resource,
60 uint32_t id, uint32_t name, int fd,
61 int32_t width, int32_t height,
62 uint32_t format,
63 int32_t offset0, int32_t stride0,
64 int32_t offset1, int32_t stride1,
65 int32_t offset2, int32_t stride2)
66 {
67 struct wl_drm *drm = wl_resource_get_user_data(resource);
68 struct wl_drm_buffer *buffer;
69
70 buffer = calloc(1, sizeof *buffer);
71 if (buffer == NULL) {
72 wl_resource_post_no_memory(resource);
73 return;
74 }
75
76 buffer->drm = drm;
77 buffer->width = width;
78 buffer->height = height;
79 buffer->format = format;
80 buffer->offset[0] = offset0;
81 buffer->stride[0] = stride0;
82 buffer->offset[1] = offset1;
83 buffer->stride[1] = stride1;
84 buffer->offset[2] = offset2;
85 buffer->stride[2] = stride2;
86
87 drm->callbacks.reference_buffer(drm->user_data, name, fd, buffer);
88 if (buffer->driver_buffer == NULL) {
89 wl_resource_post_error(resource,
90 WL_DRM_ERROR_INVALID_NAME,
91 "invalid name");
92 return;
93 }
94
95 buffer->resource =
96 wl_resource_create(client, &wl_buffer_interface, 1, id);
97 if (!buffer->resource) {
98 wl_resource_post_no_memory(resource);
99 free(buffer);
100 return;
101 }
102
103 wl_resource_set_implementation(buffer->resource,
104 (void (**)(void)) &drm->buffer_interface,
105 buffer, destroy_buffer);
106 }
107
108 static void
109 drm_create_buffer(struct wl_client *client, struct wl_resource *resource,
110 uint32_t id, uint32_t name, int32_t width, int32_t height,
111 uint32_t stride, uint32_t format)
112 {
113 switch (format) {
114 case WL_DRM_FORMAT_ABGR2101010:
115 case WL_DRM_FORMAT_XBGR2101010:
116 case WL_DRM_FORMAT_ARGB2101010:
117 case WL_DRM_FORMAT_XRGB2101010:
118 case WL_DRM_FORMAT_ARGB8888:
119 case WL_DRM_FORMAT_XRGB8888:
120 case WL_DRM_FORMAT_YUYV:
121 case WL_DRM_FORMAT_RGB565:
122 break;
123 default:
124 wl_resource_post_error(resource,
125 WL_DRM_ERROR_INVALID_FORMAT,
126 "invalid format");
127 return;
128 }
129
130 create_buffer(client, resource, id,
131 name, -1, width, height, format, 0, stride, 0, 0, 0, 0);
132 }
133
134 static void
135 drm_create_planar_buffer(struct wl_client *client,
136 struct wl_resource *resource,
137 uint32_t id, uint32_t name,
138 int32_t width, int32_t height, uint32_t format,
139 int32_t offset0, int32_t stride0,
140 int32_t offset1, int32_t stride1,
141 int32_t offset2, int32_t stride2)
142 {
143 switch (format) {
144 case WL_DRM_FORMAT_YUV410:
145 case WL_DRM_FORMAT_YUV411:
146 case WL_DRM_FORMAT_YUV420:
147 case WL_DRM_FORMAT_YUV422:
148 case WL_DRM_FORMAT_YUV444:
149 case WL_DRM_FORMAT_NV12:
150 case WL_DRM_FORMAT_NV16:
151 break;
152 default:
153 wl_resource_post_error(resource,
154 WL_DRM_ERROR_INVALID_FORMAT,
155 "invalid format");
156 return;
157 }
158
159 create_buffer(client, resource, id, name, -1, width, height, format,
160 offset0, stride0, offset1, stride1, offset2, stride2);
161 }
162
163 static void
164 drm_create_prime_buffer(struct wl_client *client,
165 struct wl_resource *resource,
166 uint32_t id, int fd,
167 int32_t width, int32_t height, uint32_t format,
168 int32_t offset0, int32_t stride0,
169 int32_t offset1, int32_t stride1,
170 int32_t offset2, int32_t stride2)
171 {
172 create_buffer(client, resource, id, 0, fd, width, height, format,
173 offset0, stride0, offset1, stride1, offset2, stride2);
174 close(fd);
175 }
176
177 static void
178 drm_authenticate(struct wl_client *client,
179 struct wl_resource *resource, uint32_t id)
180 {
181 struct wl_drm *drm = wl_resource_get_user_data(resource);
182
183 if (drm->callbacks.authenticate(drm->user_data, id) < 0)
184 wl_resource_post_error(resource,
185 WL_DRM_ERROR_AUTHENTICATE_FAIL,
186 "authenicate failed");
187 else
188 wl_resource_post_event(resource, WL_DRM_AUTHENTICATED);
189 }
190
191 static const struct wl_drm_interface drm_interface = {
192 drm_authenticate,
193 drm_create_buffer,
194 drm_create_planar_buffer,
195 drm_create_prime_buffer
196 };
197
198 static void
199 bind_drm(struct wl_client *client, void *data, uint32_t version, uint32_t id)
200 {
201 struct wl_drm *drm = data;
202 struct wl_resource *resource;
203 uint32_t capabilities;
204
205 resource = wl_resource_create(client, &wl_drm_interface,
206 MIN(version, 2), id);
207 if (!resource) {
208 wl_client_post_no_memory(client);
209 return;
210 }
211
212 wl_resource_set_implementation(resource, &drm_interface, data, NULL);
213
214 wl_resource_post_event(resource, WL_DRM_DEVICE, drm->device_name);
215
216 if (drm->callbacks.is_format_supported(drm->user_data,
217 WL_DRM_FORMAT_ARGB2101010)) {
218 wl_resource_post_event(resource, WL_DRM_FORMAT,
219 WL_DRM_FORMAT_ARGB2101010);
220 }
221
222 if (drm->callbacks.is_format_supported(drm->user_data,
223 WL_DRM_FORMAT_XRGB2101010)) {
224 wl_resource_post_event(resource, WL_DRM_FORMAT,
225 WL_DRM_FORMAT_XRGB2101010);
226 }
227
228 if (drm->callbacks.is_format_supported(drm->user_data,
229 WL_DRM_FORMAT_ABGR2101010)) {
230 wl_resource_post_event(resource, WL_DRM_FORMAT,
231 WL_DRM_FORMAT_ABGR2101010);
232 }
233
234 if (drm->callbacks.is_format_supported(drm->user_data,
235 WL_DRM_FORMAT_XBGR2101010)) {
236 wl_resource_post_event(resource, WL_DRM_FORMAT,
237 WL_DRM_FORMAT_XBGR2101010);
238 }
239
240 wl_resource_post_event(resource, WL_DRM_FORMAT,
241 WL_DRM_FORMAT_ARGB8888);
242 wl_resource_post_event(resource, WL_DRM_FORMAT,
243 WL_DRM_FORMAT_XRGB8888);
244 wl_resource_post_event(resource, WL_DRM_FORMAT,
245 WL_DRM_FORMAT_RGB565);
246 wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV410);
247 wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV411);
248 wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV420);
249 wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV422);
250 wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV444);
251 wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV12);
252 wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV16);
253 wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUYV);
254
255 capabilities = 0;
256 if (drm->flags & WAYLAND_DRM_PRIME)
257 capabilities |= WL_DRM_CAPABILITY_PRIME;
258
259 if (version >= 2)
260 wl_resource_post_event(resource, WL_DRM_CAPABILITIES, capabilities);
261 }
262
263 struct wl_drm *
264 wayland_drm_init(struct wl_display *display, char *device_name,
265 const struct wayland_drm_callbacks *callbacks, void *user_data,
266 uint32_t flags)
267 {
268 struct wl_drm *drm;
269
270 drm = malloc(sizeof *drm);
271 if (!drm)
272 return NULL;
273
274 drm->display = display;
275 drm->device_name = strdup(device_name);
276 drm->callbacks = *callbacks;
277 drm->user_data = user_data;
278 drm->flags = flags;
279
280 drm->buffer_interface.destroy = buffer_destroy;
281
282 drm->wl_drm_global =
283 wl_global_create(display, &wl_drm_interface, 2,
284 drm, bind_drm);
285
286 return drm;
287 }
288
289 void
290 wayland_drm_uninit(struct wl_drm *drm)
291 {
292 free(drm->device_name);
293
294 wl_global_destroy(drm->wl_drm_global);
295
296 free(drm);
297 }