vic-blit.c revision 0ed5401b 
1/*
2 * Copyright © 2018 NVIDIA Corporation
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23#include <errno.h>
24#include <fcntl.h>
25#include <stdio.h>
26#include <string.h>
27#include <unistd.h>
28
29#include "tegra.h"
30
31#include "host1x.h"
32#include "vic.h"
33
34/* clear output image to red */
35static int clear(struct vic *vic, struct drm_tegra_channel *channel,
36                 struct vic_image *output)
37{
38    struct drm_tegra_pushbuf *pushbuf;
39    struct drm_tegra_job *job;
40    uint32_t *ptr;
41    int err;
42
43    err = drm_tegra_job_new(channel, &job);
44    if (err < 0) {
45        fprintf(stderr, "failed to create job: %s\n", strerror(-err));
46        return 1;
47    }
48
49    err = drm_tegra_job_get_pushbuf(job, &pushbuf);
50    if (err < 0) {
51        fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err));
52        return 1;
53    }
54
55    err = vic_clear(vic, output, 1023, 1023, 0, 0);
56    if (err < 0) {
57        fprintf(stderr, "failed to clear surface: %s\n", strerror(-err));
58        return err;
59    }
60
61    err = drm_tegra_pushbuf_begin(pushbuf, 32, &ptr);
62    if (err < 0) {
63        fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err));
64        return err;
65    }
66
67    err = vic->ops->execute(vic, pushbuf, &ptr, output, NULL, 0);
68    if (err < 0) {
69        fprintf(stderr, "failed to execute operation: %s\n", strerror(-err));
70        return err;
71    }
72
73    err = drm_tegra_pushbuf_sync_cond(pushbuf, &ptr, vic->syncpt,
74                                      DRM_TEGRA_SYNC_COND_OP_DONE);
75    if (err < 0) {
76        fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
77        return err;
78    }
79
80    err = drm_tegra_pushbuf_end(pushbuf, ptr);
81    if (err < 0) {
82        fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err));
83        return err;
84    }
85
86    err = drm_tegra_job_submit(job, NULL);
87    if (err < 0) {
88        fprintf(stderr, "failed to submit job: %s\n", strerror(-err));
89        return err;
90    }
91
92    err = drm_tegra_job_wait(job, 1000000000);
93    if (err < 0) {
94        fprintf(stderr, "failed to wait for job: %s\n", strerror(-err));
95        return err;
96    }
97
98    drm_tegra_job_free(job);
99
100    return 0;
101}
102
103/* fill bottom half of image to blue */
104static int fill(struct vic *vic, struct drm_tegra_channel *channel,
105                struct vic_image *output)
106{
107    struct drm_tegra_pushbuf *pushbuf;
108    struct drm_tegra_job *job;
109    uint32_t *ptr;
110    int err;
111
112    err = drm_tegra_job_new(channel, &job);
113    if (err < 0) {
114        fprintf(stderr, "failed to create job: %s\n", strerror(-err));
115        return 1;
116    }
117
118    err = drm_tegra_job_get_pushbuf(job, &pushbuf);
119    if (err < 0) {
120        fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err));
121        return 1;
122    }
123
124    err = drm_tegra_pushbuf_begin(pushbuf, 32, &ptr);
125    if (err < 0) {
126        fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err));
127        return err;
128    }
129
130    err = vic->ops->fill(vic, output, 0, output->height / 2, output->width - 1,
131                         output->height -1, 1023, 0, 0, 1023);
132    if (err < 0) {
133        fprintf(stderr, "failed to fill surface: %s\n", strerror(-err));
134        return err;
135    }
136
137    err = vic->ops->execute(vic, pushbuf, &ptr, output, NULL, 0);
138    if (err < 0) {
139        fprintf(stderr, "failed to execute operation: %s\n", strerror(-err));
140        return err;
141    }
142
143    err = drm_tegra_pushbuf_sync_cond(pushbuf, &ptr, vic->syncpt,
144                                      DRM_TEGRA_SYNC_COND_OP_DONE);
145    if (err < 0) {
146        fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
147        return err;
148    }
149
150    err = drm_tegra_pushbuf_end(pushbuf, ptr);
151    if (err < 0) {
152        fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err));
153        return err;
154    }
155
156    err = drm_tegra_job_submit(job, NULL);
157    if (err < 0) {
158        fprintf(stderr, "failed to submit job: %s\n", strerror(-err));
159        return err;
160    }
161
162    err = drm_tegra_job_wait(job, 1000000000);
163    if (err < 0) {
164        fprintf(stderr, "failed to wait for job: %s\n", strerror(-err));
165        return err;
166    }
167
168    drm_tegra_job_free(job);
169
170    return 0;
171}
172
173/* blit image */
174static int blit(struct vic *vic, struct drm_tegra_channel *channel,
175                struct vic_image *output, struct vic_image *input)
176{
177    struct drm_tegra_pushbuf *pushbuf;
178    struct drm_tegra_job *job;
179    uint32_t *ptr;
180    int err;
181
182    err = drm_tegra_job_new(channel, &job);
183    if (err < 0) {
184        fprintf(stderr, "failed to create job: %s\n", strerror(-err));
185        return 1;
186    }
187
188    err = drm_tegra_job_get_pushbuf(job, &pushbuf);
189    if (err < 0) {
190        fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err));
191        return 1;
192    }
193
194    err = drm_tegra_pushbuf_begin(pushbuf, 32, &ptr);
195    if (err < 0) {
196        fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err));
197        return err;
198    }
199
200    err = vic->ops->blit(vic, output, input);
201    if (err < 0) {
202        fprintf(stderr, "failed to blit surface: %s\n", strerror(-err));
203        return err;
204    }
205
206    err = vic->ops->execute(vic, pushbuf, &ptr, output, &input, 1);
207    if (err < 0) {
208        fprintf(stderr, "failed to execute operation: %s\n", strerror(-err));
209        return err;
210    }
211
212    err = drm_tegra_pushbuf_sync_cond(pushbuf, &ptr, vic->syncpt,
213                                      DRM_TEGRA_SYNC_COND_OP_DONE);
214    if (err < 0) {
215        fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
216        return err;
217    }
218
219    err = drm_tegra_pushbuf_end(pushbuf, ptr);
220    if (err < 0) {
221        fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err));
222        return err;
223    }
224
225    err = drm_tegra_job_submit(job, NULL);
226    if (err < 0) {
227        fprintf(stderr, "failed to submit job: %s\n", strerror(-err));
228        return err;
229    }
230
231    err = drm_tegra_job_wait(job, 1000000000);
232    if (err < 0) {
233        fprintf(stderr, "failed to wait for job: %s\n", strerror(-err));
234        return err;
235    }
236
237    drm_tegra_job_free(job);
238
239    return 0;
240}
241
242int main(int argc, char *argv[])
243{
244    const unsigned int format = VIC_PIXEL_FORMAT_A8R8G8B8;
245    const unsigned int kind = VIC_BLK_KIND_PITCH;
246    const unsigned int width = 16, height = 16;
247    const char *device = "/dev/dri/renderD128";
248    struct drm_tegra_channel *channel;
249    struct vic_image *input, *output;
250    struct drm_tegra *drm;
251    unsigned int version;
252    struct vic *vic;
253    int fd, err;
254
255    if (argc > 1)
256        device = argv[1];
257
258    fd = open(device, O_RDWR);
259    if (fd < 0) {
260        fprintf(stderr, "open() failed: %s\n", strerror(errno));
261        return 1;
262    }
263
264    err = drm_tegra_new(fd, &drm);
265    if (err < 0) {
266        fprintf(stderr, "failed to open Tegra device: %s\n", strerror(-err));
267        close(fd);
268        return 1;
269    }
270
271    err = drm_tegra_channel_open(drm, DRM_TEGRA_VIC, &channel);
272    if (err < 0) {
273        fprintf(stderr, "failed to open channel to VIC: %s\n", strerror(-err));
274        return 1;
275    }
276
277    version = drm_tegra_channel_get_version(channel);
278    printf("version: %08x\n", version);
279
280    err = vic_new(drm, channel, &vic);
281    if (err < 0) {
282        fprintf(stderr, "failed to create VIC: %s\n", strerror(-err));
283        return 1;
284    }
285
286    err = vic_image_new(vic, width, height, format, kind, DRM_TEGRA_CHANNEL_MAP_READ_WRITE,
287                        &input);
288    if (err < 0) {
289        fprintf(stderr, "failed to create input image: %d\n", err);
290        return 1;
291    }
292
293    err = vic_image_new(vic, width, height, format, kind, DRM_TEGRA_CHANNEL_MAP_READ_WRITE,
294                        &output);
295    if (err < 0) {
296        fprintf(stderr, "failed to create output image: %d\n", err);
297        return 1;
298    }
299
300    err = clear(vic, channel, input);
301    if (err < 0) {
302        fprintf(stderr, "failed to clear image: %s\n", strerror(-err));
303        return 1;
304    }
305
306    err = fill(vic, channel, input);
307    if (err < 0) {
308        fprintf(stderr, "failed to fill rectangle: %s\n", strerror(-err));
309        return 1;
310    }
311
312    err = blit(vic, channel, output, input);
313    if (err < 0) {
314        fprintf(stderr, "failed to blit image: %s\n", strerror(-err));
315        return 1;
316    }
317
318    printf("input: %ux%u\n", input->width, input->height);
319    vic_image_dump(input, stdout);
320
321    printf("output: %ux%u\n", output->width, output->height);
322    vic_image_dump(output, stdout);
323
324    vic_image_free(output);
325    vic_image_free(input);
326
327    vic_free(vic);
328    drm_tegra_channel_close(channel);
329    drm_tegra_close(drm);
330    close(fd);
331
332    return 0;
333}
334