1 /*
2 * DRM based mode setting test program
3 * Copyright 2008 Tungsten Graphics
4 * Jakob Bornecrantz <jakob@tungstengraphics.com>
5 * Copyright 2008 Intel Corporation
6 * Jesse Barnes <jesse.barnes@intel.com>
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * IN THE SOFTWARE.
25 */
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include <assert.h>
32 #include <errno.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <stdint.h>
36 #include <string.h>
37 #include <sys/ioctl.h>
38
39 #include "drm.h"
40 #include "drm_fourcc.h"
41
42 #include "libdrm_macros.h"
43 #include "xf86drm.h"
44
45 #include "buffers.h"
46
47 struct bo
48 {
49 int fd;
50 void *ptr;
51 size_t size;
52 size_t offset;
53 size_t pitch;
54 unsigned handle;
55 };
56
57 /* -----------------------------------------------------------------------------
58 * Buffers management
59 */
60
61 static struct bo *
bo_create_dumb(int fd,unsigned int width,unsigned int height,unsigned int bpp)62 bo_create_dumb(int fd, unsigned int width, unsigned int height, unsigned int bpp)
63 {
64 struct drm_mode_create_dumb arg;
65 struct bo *bo;
66 int ret;
67
68 bo = calloc(1, sizeof(*bo));
69 if (bo == NULL) {
70 fprintf(stderr, "failed to allocate buffer object\n");
71 return NULL;
72 }
73
74 memset(&arg, 0, sizeof(arg));
75 arg.bpp = bpp;
76 arg.width = width;
77 arg.height = height;
78
79 ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
80 if (ret) {
81 fprintf(stderr, "failed to create dumb buffer: %s\n",
82 strerror(errno));
83 free(bo);
84 return NULL;
85 }
86
87 bo->fd = fd;
88 bo->handle = arg.handle;
89 bo->size = arg.size;
90 bo->pitch = arg.pitch;
91
92 return bo;
93 }
94
bo_map(struct bo * bo,void ** out)95 static int bo_map(struct bo *bo, void **out)
96 {
97 struct drm_mode_map_dumb arg;
98 void *map;
99 int ret;
100
101 memset(&arg, 0, sizeof(arg));
102 arg.handle = bo->handle;
103
104 ret = drmIoctl(bo->fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
105 if (ret)
106 return ret;
107
108 map = drm_mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
109 bo->fd, arg.offset);
110 if (map == MAP_FAILED)
111 return -EINVAL;
112
113 bo->ptr = map;
114 *out = map;
115
116 return 0;
117 }
118
bo_unmap(struct bo * bo)119 static void bo_unmap(struct bo *bo)
120 {
121 if (!bo->ptr)
122 return;
123
124 drm_munmap(bo->ptr, bo->size);
125 bo->ptr = NULL;
126 }
127
128 struct bo *
bo_create(int fd,unsigned int format,unsigned int width,unsigned int height,unsigned int handles[4],unsigned int pitches[4],unsigned int offsets[4],enum util_fill_pattern pattern)129 bo_create(int fd, unsigned int format,
130 unsigned int width, unsigned int height,
131 unsigned int handles[4], unsigned int pitches[4],
132 unsigned int offsets[4], enum util_fill_pattern pattern)
133 {
134 unsigned int virtual_height;
135 struct bo *bo;
136 unsigned int bpp;
137 void *planes[3] = { 0, };
138 void *virtual;
139 int ret;
140
141 switch (format) {
142 case DRM_FORMAT_NV12:
143 case DRM_FORMAT_NV21:
144 case DRM_FORMAT_NV16:
145 case DRM_FORMAT_NV61:
146 case DRM_FORMAT_YUV420:
147 case DRM_FORMAT_YVU420:
148 bpp = 8;
149 break;
150
151 case DRM_FORMAT_ARGB4444:
152 case DRM_FORMAT_XRGB4444:
153 case DRM_FORMAT_ABGR4444:
154 case DRM_FORMAT_XBGR4444:
155 case DRM_FORMAT_RGBA4444:
156 case DRM_FORMAT_RGBX4444:
157 case DRM_FORMAT_BGRA4444:
158 case DRM_FORMAT_BGRX4444:
159 case DRM_FORMAT_ARGB1555:
160 case DRM_FORMAT_XRGB1555:
161 case DRM_FORMAT_ABGR1555:
162 case DRM_FORMAT_XBGR1555:
163 case DRM_FORMAT_RGBA5551:
164 case DRM_FORMAT_RGBX5551:
165 case DRM_FORMAT_BGRA5551:
166 case DRM_FORMAT_BGRX5551:
167 case DRM_FORMAT_RGB565:
168 case DRM_FORMAT_BGR565:
169 case DRM_FORMAT_UYVY:
170 case DRM_FORMAT_VYUY:
171 case DRM_FORMAT_YUYV:
172 case DRM_FORMAT_YVYU:
173 bpp = 16;
174 break;
175
176 case DRM_FORMAT_BGR888:
177 case DRM_FORMAT_RGB888:
178 bpp = 24;
179 break;
180
181 case DRM_FORMAT_ARGB8888:
182 case DRM_FORMAT_XRGB8888:
183 case DRM_FORMAT_ABGR8888:
184 case DRM_FORMAT_XBGR8888:
185 case DRM_FORMAT_RGBA8888:
186 case DRM_FORMAT_RGBX8888:
187 case DRM_FORMAT_BGRA8888:
188 case DRM_FORMAT_BGRX8888:
189 case DRM_FORMAT_ARGB2101010:
190 case DRM_FORMAT_XRGB2101010:
191 case DRM_FORMAT_ABGR2101010:
192 case DRM_FORMAT_XBGR2101010:
193 case DRM_FORMAT_RGBA1010102:
194 case DRM_FORMAT_RGBX1010102:
195 case DRM_FORMAT_BGRA1010102:
196 case DRM_FORMAT_BGRX1010102:
197 bpp = 32;
198 break;
199
200 default:
201 fprintf(stderr, "unsupported format 0x%08x\n", format);
202 return NULL;
203 }
204
205 switch (format) {
206 case DRM_FORMAT_NV12:
207 case DRM_FORMAT_NV21:
208 case DRM_FORMAT_YUV420:
209 case DRM_FORMAT_YVU420:
210 virtual_height = height * 3 / 2;
211 break;
212
213 case DRM_FORMAT_NV16:
214 case DRM_FORMAT_NV61:
215 virtual_height = height * 2;
216 break;
217
218 default:
219 virtual_height = height;
220 break;
221 }
222
223 bo = bo_create_dumb(fd, width, virtual_height, bpp);
224 if (!bo)
225 return NULL;
226
227 ret = bo_map(bo, &virtual);
228 if (ret) {
229 fprintf(stderr, "failed to map buffer: %s\n",
230 strerror(-errno));
231 bo_destroy(bo);
232 return NULL;
233 }
234
235 /* just testing a limited # of formats to test single
236 * and multi-planar path.. would be nice to add more..
237 */
238 switch (format) {
239 case DRM_FORMAT_UYVY:
240 case DRM_FORMAT_VYUY:
241 case DRM_FORMAT_YUYV:
242 case DRM_FORMAT_YVYU:
243 offsets[0] = 0;
244 handles[0] = bo->handle;
245 pitches[0] = bo->pitch;
246
247 planes[0] = virtual;
248 break;
249
250 case DRM_FORMAT_NV12:
251 case DRM_FORMAT_NV21:
252 case DRM_FORMAT_NV16:
253 case DRM_FORMAT_NV61:
254 offsets[0] = 0;
255 handles[0] = bo->handle;
256 pitches[0] = bo->pitch;
257 pitches[1] = pitches[0];
258 offsets[1] = pitches[0] * height;
259 handles[1] = bo->handle;
260
261 planes[0] = virtual;
262 planes[1] = virtual + offsets[1];
263 break;
264
265 case DRM_FORMAT_YUV420:
266 case DRM_FORMAT_YVU420:
267 offsets[0] = 0;
268 handles[0] = bo->handle;
269 pitches[0] = bo->pitch;
270 pitches[1] = pitches[0] / 2;
271 offsets[1] = pitches[0] * height;
272 handles[1] = bo->handle;
273 pitches[2] = pitches[1];
274 offsets[2] = offsets[1] + pitches[1] * height / 2;
275 handles[2] = bo->handle;
276
277 planes[0] = virtual;
278 planes[1] = virtual + offsets[1];
279 planes[2] = virtual + offsets[2];
280 break;
281
282 case DRM_FORMAT_ARGB4444:
283 case DRM_FORMAT_XRGB4444:
284 case DRM_FORMAT_ABGR4444:
285 case DRM_FORMAT_XBGR4444:
286 case DRM_FORMAT_RGBA4444:
287 case DRM_FORMAT_RGBX4444:
288 case DRM_FORMAT_BGRA4444:
289 case DRM_FORMAT_BGRX4444:
290 case DRM_FORMAT_ARGB1555:
291 case DRM_FORMAT_XRGB1555:
292 case DRM_FORMAT_ABGR1555:
293 case DRM_FORMAT_XBGR1555:
294 case DRM_FORMAT_RGBA5551:
295 case DRM_FORMAT_RGBX5551:
296 case DRM_FORMAT_BGRA5551:
297 case DRM_FORMAT_BGRX5551:
298 case DRM_FORMAT_RGB565:
299 case DRM_FORMAT_BGR565:
300 case DRM_FORMAT_BGR888:
301 case DRM_FORMAT_RGB888:
302 case DRM_FORMAT_ARGB8888:
303 case DRM_FORMAT_XRGB8888:
304 case DRM_FORMAT_ABGR8888:
305 case DRM_FORMAT_XBGR8888:
306 case DRM_FORMAT_RGBA8888:
307 case DRM_FORMAT_RGBX8888:
308 case DRM_FORMAT_BGRA8888:
309 case DRM_FORMAT_BGRX8888:
310 case DRM_FORMAT_ARGB2101010:
311 case DRM_FORMAT_XRGB2101010:
312 case DRM_FORMAT_ABGR2101010:
313 case DRM_FORMAT_XBGR2101010:
314 case DRM_FORMAT_RGBA1010102:
315 case DRM_FORMAT_RGBX1010102:
316 case DRM_FORMAT_BGRA1010102:
317 case DRM_FORMAT_BGRX1010102:
318 offsets[0] = 0;
319 handles[0] = bo->handle;
320 pitches[0] = bo->pitch;
321
322 planes[0] = virtual;
323 break;
324 }
325
326 util_fill_pattern(format, pattern, planes, width, height, pitches[0]);
327 bo_unmap(bo);
328
329 return bo;
330 }
331
bo_destroy(struct bo * bo)332 void bo_destroy(struct bo *bo)
333 {
334 struct drm_mode_destroy_dumb arg;
335 int ret;
336
337 memset(&arg, 0, sizeof(arg));
338 arg.handle = bo->handle;
339
340 ret = drmIoctl(bo->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
341 if (ret)
342 fprintf(stderr, "failed to destroy dumb buffer: %s\n",
343 strerror(errno));
344
345 free(bo);
346 }
347