xref: /third_party/libdrm/tests/modetest/buffers.c (revision d722e3fb)
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#include <assert.h>
28#include <errno.h>
29#include <stdio.h>
30#include <stdlib.h>
31#include <stdint.h>
32#include <string.h>
33#include <sys/ioctl.h>
34
35#include "drm.h"
36#include "drm_fourcc.h"
37
38#include "libdrm_macros.h"
39#include "xf86drm.h"
40
41#include "buffers.h"
42
43struct bo
44{
45	int fd;
46	void *ptr;
47	size_t size;
48	size_t offset;
49	size_t pitch;
50	unsigned handle;
51};
52
53/* -----------------------------------------------------------------------------
54 * Buffers management
55 */
56
57static struct bo *
58bo_create_dumb(int fd, unsigned int width, unsigned int height, unsigned int bpp)
59{
60	struct drm_mode_create_dumb arg;
61	struct bo *bo;
62	int ret;
63
64	bo = calloc(1, sizeof(*bo));
65	if (bo == NULL) {
66		fprintf(stderr, "failed to allocate buffer object\n");
67		return NULL;
68	}
69
70	memset(&arg, 0, sizeof(arg));
71	arg.bpp = bpp;
72	arg.width = width;
73	arg.height = height;
74
75	ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
76	if (ret) {
77		fprintf(stderr, "failed to create dumb buffer: %s\n",
78			strerror(errno));
79		free(bo);
80		return NULL;
81	}
82
83	bo->fd = fd;
84	bo->handle = arg.handle;
85	bo->size = arg.size;
86	bo->pitch = arg.pitch;
87
88	return bo;
89}
90
91static int bo_map(struct bo *bo, void **out)
92{
93	struct drm_mode_map_dumb arg;
94	void *map;
95	int ret;
96
97	memset(&arg, 0, sizeof(arg));
98	arg.handle = bo->handle;
99
100	ret = drmIoctl(bo->fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
101	if (ret)
102		return ret;
103
104	map = drm_mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
105		       bo->fd, arg.offset);
106	if (map == MAP_FAILED)
107		return -EINVAL;
108
109	bo->ptr = map;
110	*out = map;
111
112	return 0;
113}
114
115static void bo_unmap(struct bo *bo)
116{
117	if (!bo->ptr)
118		return;
119
120	drm_munmap(bo->ptr, bo->size);
121	bo->ptr = NULL;
122}
123
124struct bo *
125bo_create(int fd, unsigned int format,
126	  unsigned int width, unsigned int height,
127	  unsigned int handles[4], unsigned int pitches[4],
128	  unsigned int offsets[4], enum util_fill_pattern pattern)
129{
130	unsigned int virtual_height;
131	struct bo *bo;
132	unsigned int bpp;
133	void *planes[3] = { 0, };
134	void *virtual;
135	int ret;
136
137	switch (format) {
138	case DRM_FORMAT_C8:
139	case DRM_FORMAT_NV12:
140	case DRM_FORMAT_NV21:
141	case DRM_FORMAT_NV16:
142	case DRM_FORMAT_NV61:
143	case DRM_FORMAT_YUV420:
144	case DRM_FORMAT_YVU420:
145		bpp = 8;
146		break;
147
148	case DRM_FORMAT_ARGB4444:
149	case DRM_FORMAT_XRGB4444:
150	case DRM_FORMAT_ABGR4444:
151	case DRM_FORMAT_XBGR4444:
152	case DRM_FORMAT_RGBA4444:
153	case DRM_FORMAT_RGBX4444:
154	case DRM_FORMAT_BGRA4444:
155	case DRM_FORMAT_BGRX4444:
156	case DRM_FORMAT_ARGB1555:
157	case DRM_FORMAT_XRGB1555:
158	case DRM_FORMAT_ABGR1555:
159	case DRM_FORMAT_XBGR1555:
160	case DRM_FORMAT_RGBA5551:
161	case DRM_FORMAT_RGBX5551:
162	case DRM_FORMAT_BGRA5551:
163	case DRM_FORMAT_BGRX5551:
164	case DRM_FORMAT_RGB565:
165	case DRM_FORMAT_BGR565:
166	case DRM_FORMAT_UYVY:
167	case DRM_FORMAT_VYUY:
168	case DRM_FORMAT_YUYV:
169	case DRM_FORMAT_YVYU:
170		bpp = 16;
171		break;
172
173	case DRM_FORMAT_BGR888:
174	case DRM_FORMAT_RGB888:
175		bpp = 24;
176		break;
177
178	case DRM_FORMAT_ARGB8888:
179	case DRM_FORMAT_XRGB8888:
180	case DRM_FORMAT_ABGR8888:
181	case DRM_FORMAT_XBGR8888:
182	case DRM_FORMAT_RGBA8888:
183	case DRM_FORMAT_RGBX8888:
184	case DRM_FORMAT_BGRA8888:
185	case DRM_FORMAT_BGRX8888:
186	case DRM_FORMAT_ARGB2101010:
187	case DRM_FORMAT_XRGB2101010:
188	case DRM_FORMAT_ABGR2101010:
189	case DRM_FORMAT_XBGR2101010:
190	case DRM_FORMAT_RGBA1010102:
191	case DRM_FORMAT_RGBX1010102:
192	case DRM_FORMAT_BGRA1010102:
193	case DRM_FORMAT_BGRX1010102:
194		bpp = 32;
195		break;
196
197	case DRM_FORMAT_XRGB16161616F:
198	case DRM_FORMAT_XBGR16161616F:
199	case DRM_FORMAT_ARGB16161616F:
200	case DRM_FORMAT_ABGR16161616F:
201		bpp = 64;
202		break;
203
204	default:
205		fprintf(stderr, "unsupported format 0x%08x\n",  format);
206		return NULL;
207	}
208
209	switch (format) {
210	case DRM_FORMAT_NV12:
211	case DRM_FORMAT_NV21:
212	case DRM_FORMAT_YUV420:
213	case DRM_FORMAT_YVU420:
214		virtual_height = height * 3 / 2;
215		break;
216
217	case DRM_FORMAT_NV16:
218	case DRM_FORMAT_NV61:
219		virtual_height = height * 2;
220		break;
221
222	default:
223		virtual_height = height;
224		break;
225	}
226
227	bo = bo_create_dumb(fd, width, virtual_height, bpp);
228	if (!bo)
229		return NULL;
230
231	ret = bo_map(bo, &virtual);
232	if (ret) {
233		fprintf(stderr, "failed to map buffer: %s\n",
234			strerror(-errno));
235		bo_destroy(bo);
236		return NULL;
237	}
238
239	/* just testing a limited # of formats to test single
240	 * and multi-planar path.. would be nice to add more..
241	 */
242	switch (format) {
243	case DRM_FORMAT_UYVY:
244	case DRM_FORMAT_VYUY:
245	case DRM_FORMAT_YUYV:
246	case DRM_FORMAT_YVYU:
247		offsets[0] = 0;
248		handles[0] = bo->handle;
249		pitches[0] = bo->pitch;
250
251		planes[0] = virtual;
252		break;
253
254	case DRM_FORMAT_NV12:
255	case DRM_FORMAT_NV21:
256	case DRM_FORMAT_NV16:
257	case DRM_FORMAT_NV61:
258		offsets[0] = 0;
259		handles[0] = bo->handle;
260		pitches[0] = bo->pitch;
261		pitches[1] = pitches[0];
262		offsets[1] = pitches[0] * height;
263		handles[1] = bo->handle;
264
265		planes[0] = virtual;
266		planes[1] = virtual + offsets[1];
267		break;
268
269	case DRM_FORMAT_YUV420:
270	case DRM_FORMAT_YVU420:
271		offsets[0] = 0;
272		handles[0] = bo->handle;
273		pitches[0] = bo->pitch;
274		pitches[1] = pitches[0] / 2;
275		offsets[1] = pitches[0] * height;
276		handles[1] = bo->handle;
277		pitches[2] = pitches[1];
278		offsets[2] = offsets[1] + pitches[1] * height / 2;
279		handles[2] = bo->handle;
280
281		planes[0] = virtual;
282		planes[1] = virtual + offsets[1];
283		planes[2] = virtual + offsets[2];
284		break;
285
286	case DRM_FORMAT_C8:
287	case DRM_FORMAT_ARGB4444:
288	case DRM_FORMAT_XRGB4444:
289	case DRM_FORMAT_ABGR4444:
290	case DRM_FORMAT_XBGR4444:
291	case DRM_FORMAT_RGBA4444:
292	case DRM_FORMAT_RGBX4444:
293	case DRM_FORMAT_BGRA4444:
294	case DRM_FORMAT_BGRX4444:
295	case DRM_FORMAT_ARGB1555:
296	case DRM_FORMAT_XRGB1555:
297	case DRM_FORMAT_ABGR1555:
298	case DRM_FORMAT_XBGR1555:
299	case DRM_FORMAT_RGBA5551:
300	case DRM_FORMAT_RGBX5551:
301	case DRM_FORMAT_BGRA5551:
302	case DRM_FORMAT_BGRX5551:
303	case DRM_FORMAT_RGB565:
304	case DRM_FORMAT_BGR565:
305	case DRM_FORMAT_BGR888:
306	case DRM_FORMAT_RGB888:
307	case DRM_FORMAT_ARGB8888:
308	case DRM_FORMAT_XRGB8888:
309	case DRM_FORMAT_ABGR8888:
310	case DRM_FORMAT_XBGR8888:
311	case DRM_FORMAT_RGBA8888:
312	case DRM_FORMAT_RGBX8888:
313	case DRM_FORMAT_BGRA8888:
314	case DRM_FORMAT_BGRX8888:
315	case DRM_FORMAT_ARGB2101010:
316	case DRM_FORMAT_XRGB2101010:
317	case DRM_FORMAT_ABGR2101010:
318	case DRM_FORMAT_XBGR2101010:
319	case DRM_FORMAT_RGBA1010102:
320	case DRM_FORMAT_RGBX1010102:
321	case DRM_FORMAT_BGRA1010102:
322	case DRM_FORMAT_BGRX1010102:
323	case DRM_FORMAT_XRGB16161616F:
324	case DRM_FORMAT_XBGR16161616F:
325	case DRM_FORMAT_ARGB16161616F:
326	case DRM_FORMAT_ABGR16161616F:
327		offsets[0] = 0;
328		handles[0] = bo->handle;
329		pitches[0] = bo->pitch;
330
331		planes[0] = virtual;
332		break;
333	}
334
335	util_fill_pattern(format, pattern, planes, width, height, pitches[0]);
336	bo_unmap(bo);
337
338	return bo;
339}
340
341void bo_destroy(struct bo *bo)
342{
343	struct drm_mode_destroy_dumb arg;
344	int ret;
345
346	memset(&arg, 0, sizeof(arg));
347	arg.handle = bo->handle;
348
349	ret = drmIoctl(bo->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
350	if (ret)
351		fprintf(stderr, "failed to destroy dumb buffer: %s\n",
352			strerror(errno));
353
354	free(bo);
355}
356