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 "util_math.h" 30 31#include "tegra.h" 32 33#include "host1x.h" 34#include "vic.h" 35 36#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 37 38int main(int argc, char *argv[]) 39{ 40 const unsigned int format = VIC_PIXEL_FORMAT_A8R8G8B8; 41 const unsigned int kind = VIC_BLK_KIND_PITCH; 42 const unsigned int width = 16, height = 16; 43 const char *device = "/dev/dri/renderD128"; 44 struct drm_tegra_channel *channel; 45 struct drm_tegra_pushbuf *pushbuf; 46 struct drm_tegra_job *job; 47 struct vic_image *output; 48 struct drm_tegra *drm; 49 unsigned int version; 50 struct vic *vic; 51 uint32_t *pb; 52 int fd, err; 53 void *ptr; 54 55 if (argc > 1) 56 device = argv[1]; 57 58 fd = open(device, O_RDWR); 59 if (fd < 0) { 60 fprintf(stderr, "open() failed: %s\n", strerror(errno)); 61 return 1; 62 } 63 64 err = drm_tegra_new(fd, &drm); 65 if (err < 0) { 66 fprintf(stderr, "failed to open Tegra device: %s\n", strerror(-err)); 67 close(fd); 68 return 1; 69 } 70 71 err = drm_tegra_channel_open(drm, DRM_TEGRA_VIC, &channel); 72 if (err < 0) { 73 fprintf(stderr, "failed to open channel to VIC: %s\n", strerror(-err)); 74 return 1; 75 } 76 77 version = drm_tegra_channel_get_version(channel); 78 printf("version: %08x\n", version); 79 80 err = vic_new(drm, channel, &vic); 81 if (err < 0) { 82 fprintf(stderr, "failed to create VIC: %s\n", strerror(-err)); 83 return 1; 84 } 85 86 err = vic_image_new(vic, width, height, format, kind, DRM_TEGRA_CHANNEL_MAP_READ_WRITE, 87 &output); 88 if (err < 0) { 89 fprintf(stderr, "failed to create output image: %d\n", err); 90 return 1; 91 } 92 93 printf("image: %zu bytes\n", output->size); 94 95 err = drm_tegra_bo_map(output->bo, &ptr); 96 if (err < 0) { 97 fprintf(stderr, "failed to map output image: %d\n", err); 98 return 1; 99 } 100 101 memset(ptr, 0xff, output->size); 102 drm_tegra_bo_unmap(output->bo); 103 104 printf("output: %ux%u\n", output->width, output->height); 105 vic_image_dump(output, stdout); 106 107 err = drm_tegra_job_new(channel, &job); 108 if (err < 0) { 109 fprintf(stderr, "failed to create job: %s\n", strerror(-err)); 110 return 1; 111 } 112 113 err = drm_tegra_job_get_pushbuf(job, &pushbuf); 114 if (err < 0) { 115 fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err)); 116 return 1; 117 } 118 119 err = drm_tegra_pushbuf_begin(pushbuf, 32, &pb); 120 if (err < 0) { 121 fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err)); 122 return 1; 123 } 124 125 err = vic_clear(vic, output, 1023, 0, 0, 1023); 126 if (err < 0) { 127 fprintf(stderr, "failed to clear surface: %s\n", strerror(-err)); 128 return err; 129 } 130 131 err = vic->ops->execute(vic, pushbuf, &pb, output, NULL, 0); 132 if (err < 0) { 133 fprintf(stderr, "failed to execute operation: %s\n", strerror(-err)); 134 return 1; 135 } 136 137 err = drm_tegra_pushbuf_sync_cond(pushbuf, &pb, vic->syncpt, 138 DRM_TEGRA_SYNC_COND_OP_DONE); 139 if (err < 0) { 140 fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err)); 141 return 1; 142 } 143 144 err = drm_tegra_pushbuf_end(pushbuf, pb); 145 if (err < 0) { 146 fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err)); 147 return 1; 148 } 149 150 err = drm_tegra_job_submit(job, NULL); 151 if (err < 0) { 152 fprintf(stderr, "failed to submit job: %s\n", strerror(-err)); 153 return 1; 154 } 155 156 err = drm_tegra_job_wait(job, 1000000000); 157 if (err < 0) { 158 fprintf(stderr, "failed to wait for job: %s\n", strerror(-err)); 159 return 1; 160 } 161 162 printf("output: %ux%u\n", output->width, output->height); 163 vic_image_dump(output, stdout); 164 165 drm_tegra_job_free(job); 166 vic_image_free(output); 167 vic_free(vic); 168 drm_tegra_channel_close(channel); 169 drm_tegra_close(drm); 170 close(fd); 171 172 return 0; 173} 174