334 lines
9.4 KiB
C
334 lines
9.4 KiB
C
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/*
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* Copyright © 2018 NVIDIA Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "tegra.h"
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#include "host1x.h"
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#include "vic.h"
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/* clear output image to red */
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static int clear(struct vic *vic, struct drm_tegra_channel *channel,
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struct vic_image *output)
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{
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struct drm_tegra_pushbuf *pushbuf;
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struct drm_tegra_job *job;
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uint32_t *ptr;
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int err;
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err = drm_tegra_job_new(channel, &job);
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if (err < 0) {
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fprintf(stderr, "failed to create job: %s\n", strerror(-err));
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return 1;
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}
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err = drm_tegra_job_get_pushbuf(job, &pushbuf);
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if (err < 0) {
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fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err));
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return 1;
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}
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err = vic_clear(vic, output, 1023, 1023, 0, 0);
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if (err < 0) {
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fprintf(stderr, "failed to clear surface: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_pushbuf_begin(pushbuf, 32, &ptr);
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if (err < 0) {
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fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err));
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return err;
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}
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err = vic->ops->execute(vic, pushbuf, &ptr, output, NULL, 0);
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if (err < 0) {
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fprintf(stderr, "failed to execute operation: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_pushbuf_sync_cond(pushbuf, &ptr, vic->syncpt,
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DRM_TEGRA_SYNC_COND_OP_DONE);
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if (err < 0) {
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fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_pushbuf_end(pushbuf, ptr);
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if (err < 0) {
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fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_job_submit(job, NULL);
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if (err < 0) {
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fprintf(stderr, "failed to submit job: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_job_wait(job, 1000000000);
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if (err < 0) {
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fprintf(stderr, "failed to wait for job: %s\n", strerror(-err));
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return err;
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}
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drm_tegra_job_free(job);
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return 0;
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}
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/* fill bottom half of image to blue */
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static int fill(struct vic *vic, struct drm_tegra_channel *channel,
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struct vic_image *output)
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{
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struct drm_tegra_pushbuf *pushbuf;
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struct drm_tegra_job *job;
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uint32_t *ptr;
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int err;
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err = drm_tegra_job_new(channel, &job);
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if (err < 0) {
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fprintf(stderr, "failed to create job: %s\n", strerror(-err));
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return 1;
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}
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err = drm_tegra_job_get_pushbuf(job, &pushbuf);
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if (err < 0) {
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fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err));
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return 1;
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}
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err = drm_tegra_pushbuf_begin(pushbuf, 32, &ptr);
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if (err < 0) {
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fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err));
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return err;
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}
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err = vic->ops->fill(vic, output, 0, output->height / 2, output->width - 1,
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output->height -1, 1023, 0, 0, 1023);
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if (err < 0) {
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fprintf(stderr, "failed to fill surface: %s\n", strerror(-err));
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return err;
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}
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err = vic->ops->execute(vic, pushbuf, &ptr, output, NULL, 0);
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if (err < 0) {
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fprintf(stderr, "failed to execute operation: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_pushbuf_sync_cond(pushbuf, &ptr, vic->syncpt,
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DRM_TEGRA_SYNC_COND_OP_DONE);
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if (err < 0) {
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fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_pushbuf_end(pushbuf, ptr);
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if (err < 0) {
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fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_job_submit(job, NULL);
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if (err < 0) {
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fprintf(stderr, "failed to submit job: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_job_wait(job, 1000000000);
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if (err < 0) {
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fprintf(stderr, "failed to wait for job: %s\n", strerror(-err));
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return err;
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}
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drm_tegra_job_free(job);
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return 0;
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}
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/* blit image */
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static int blit(struct vic *vic, struct drm_tegra_channel *channel,
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struct vic_image *output, struct vic_image *input)
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{
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struct drm_tegra_pushbuf *pushbuf;
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struct drm_tegra_job *job;
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uint32_t *ptr;
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int err;
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err = drm_tegra_job_new(channel, &job);
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if (err < 0) {
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fprintf(stderr, "failed to create job: %s\n", strerror(-err));
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return 1;
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}
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err = drm_tegra_job_get_pushbuf(job, &pushbuf);
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if (err < 0) {
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fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err));
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return 1;
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}
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err = drm_tegra_pushbuf_begin(pushbuf, 32, &ptr);
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if (err < 0) {
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fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err));
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return err;
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}
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err = vic->ops->blit(vic, output, input);
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if (err < 0) {
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fprintf(stderr, "failed to blit surface: %s\n", strerror(-err));
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return err;
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}
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err = vic->ops->execute(vic, pushbuf, &ptr, output, &input, 1);
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if (err < 0) {
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fprintf(stderr, "failed to execute operation: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_pushbuf_sync_cond(pushbuf, &ptr, vic->syncpt,
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DRM_TEGRA_SYNC_COND_OP_DONE);
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if (err < 0) {
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fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_pushbuf_end(pushbuf, ptr);
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if (err < 0) {
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fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_job_submit(job, NULL);
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if (err < 0) {
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fprintf(stderr, "failed to submit job: %s\n", strerror(-err));
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return err;
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}
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err = drm_tegra_job_wait(job, 1000000000);
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if (err < 0) {
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fprintf(stderr, "failed to wait for job: %s\n", strerror(-err));
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return err;
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}
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drm_tegra_job_free(job);
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return 0;
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}
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int main(int argc, char *argv[])
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{
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const unsigned int format = VIC_PIXEL_FORMAT_A8R8G8B8;
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const unsigned int kind = VIC_BLK_KIND_PITCH;
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const unsigned int width = 16, height = 16;
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const char *device = "/dev/dri/renderD128";
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struct drm_tegra_channel *channel;
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struct vic_image *input, *output;
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struct drm_tegra *drm;
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unsigned int version;
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struct vic *vic;
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int fd, err;
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if (argc > 1)
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device = argv[1];
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fd = open(device, O_RDWR);
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if (fd < 0) {
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fprintf(stderr, "open() failed: %s\n", strerror(errno));
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return 1;
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}
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err = drm_tegra_new(fd, &drm);
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if (err < 0) {
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fprintf(stderr, "failed to open Tegra device: %s\n", strerror(-err));
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close(fd);
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return 1;
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}
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err = drm_tegra_channel_open(drm, DRM_TEGRA_VIC, &channel);
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if (err < 0) {
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fprintf(stderr, "failed to open channel to VIC: %s\n", strerror(-err));
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return 1;
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}
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version = drm_tegra_channel_get_version(channel);
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printf("version: %08x\n", version);
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err = vic_new(drm, channel, &vic);
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if (err < 0) {
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fprintf(stderr, "failed to create VIC: %s\n", strerror(-err));
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return 1;
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}
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err = vic_image_new(vic, width, height, format, kind, DRM_TEGRA_CHANNEL_MAP_READ_WRITE,
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&input);
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if (err < 0) {
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fprintf(stderr, "failed to create input image: %d\n", err);
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return 1;
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}
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err = vic_image_new(vic, width, height, format, kind, DRM_TEGRA_CHANNEL_MAP_READ_WRITE,
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&output);
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if (err < 0) {
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fprintf(stderr, "failed to create output image: %d\n", err);
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return 1;
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}
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err = clear(vic, channel, input);
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if (err < 0) {
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fprintf(stderr, "failed to clear image: %s\n", strerror(-err));
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return 1;
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}
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err = fill(vic, channel, input);
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if (err < 0) {
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fprintf(stderr, "failed to fill rectangle: %s\n", strerror(-err));
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return 1;
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}
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err = blit(vic, channel, output, input);
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if (err < 0) {
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fprintf(stderr, "failed to blit image: %s\n", strerror(-err));
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return 1;
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}
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printf("input: %ux%u\n", input->width, input->height);
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vic_image_dump(input, stdout);
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printf("output: %ux%u\n", output->width, output->height);
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vic_image_dump(output, stdout);
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vic_image_free(output);
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vic_image_free(input);
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vic_free(vic);
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drm_tegra_channel_close(channel);
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drm_tegra_close(drm);
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close(fd);
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return 0;
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}
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