tests: tegra: Add VIC clear test

This test will attempt to use VIC to clear a surface.

Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

tests/tegra/meson.build

@@ -82,3 +82,12 @@ syncpt_timeout = executable(
   link_with : [libdrm, libdrm_tegra, libdrm_test, libdrm_test_tegra],
   install : with_install_tests,
 )
+
+vic_clear = executable(
+  'tegra-vic-clear',
+  files('vic-clear.c'),
+  include_directories : [inc_root, inc_drm, inc_tegra],
+  c_args : libdrm_c_args,
+  link_with : [libdrm, libdrm_tegra, libdrm_test, libdrm_test_tegra],
+  install : with_install_tests,
+)

tests/tegra/vic-clear.c

@@ -0,0 +1,173 @@
+/*
+ * Copyright © 2018 NVIDIA Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "util_math.h"
+
+#include "tegra.h"
+
+#include "host1x.h"
+#include "vic.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+int main(int argc, char *argv[])
+{
+    const unsigned int format = VIC_PIXEL_FORMAT_A8R8G8B8;
+    const unsigned int kind = VIC_BLK_KIND_PITCH;
+    const unsigned int width = 16, height = 16;
+    const char *device = "/dev/dri/renderD128";
+    struct drm_tegra_channel *channel;
+    struct drm_tegra_pushbuf *pushbuf;
+    struct drm_tegra_job *job;
+    struct vic_image *output;
+    struct drm_tegra *drm;
+    unsigned int version;
+    struct vic *vic;
+    uint32_t *pb;
+    int fd, err;
+    void *ptr;
+
+    if (argc > 1)
+        device = argv[1];
+
+    fd = open(device, O_RDWR);
+    if (fd < 0) {
+        fprintf(stderr, "open() failed: %s\n", strerror(errno));
+        return 1;
+    }
+
+    err = drm_tegra_new(fd, &drm);
+    if (err < 0) {
+        fprintf(stderr, "failed to open Tegra device: %s\n", strerror(-err));
+        close(fd);
+        return 1;
+    }
+
+    err = drm_tegra_channel_open(drm, DRM_TEGRA_VIC, &channel);
+    if (err < 0) {
+        fprintf(stderr, "failed to open channel to VIC: %s\n", strerror(-err));
+        return 1;
+    }
+
+    version = drm_tegra_channel_get_version(channel);
+    printf("version: %08x\n", version);
+
+    err = vic_new(drm, channel, &vic);
+    if (err < 0) {
+        fprintf(stderr, "failed to create VIC: %s\n", strerror(-err));
+        return 1;
+    }
+
+    err = vic_image_new(vic, width, height, format, kind, DRM_TEGRA_CHANNEL_MAP_READ_WRITE,
+                        &output);
+    if (err < 0) {
+        fprintf(stderr, "failed to create output image: %d\n", err);
+        return 1;
+    }
+
+    printf("image: %zu bytes\n", output->size);
+
+    err = drm_tegra_bo_map(output->bo, &ptr);
+    if (err < 0) {
+        fprintf(stderr, "failed to map output image: %d\n", err);
+        return 1;
+    }
+
+    memset(ptr, 0xff, output->size);
+    drm_tegra_bo_unmap(output->bo);
+
+    printf("output: %ux%u\n", output->width, output->height);
+    vic_image_dump(output, stdout);
+
+    err = drm_tegra_job_new(channel, &job);
+    if (err < 0) {
+        fprintf(stderr, "failed to create job: %s\n", strerror(-err));
+        return 1;
+    }
+
+    err = drm_tegra_job_get_pushbuf(job, &pushbuf);
+    if (err < 0) {
+        fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err));
+        return 1;
+    }
+
+    err = drm_tegra_pushbuf_begin(pushbuf, 32, &pb);
+    if (err < 0) {
+        fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err));
+        return 1;
+    }
+
+    err = vic_clear(vic, output, 1023, 0, 0, 1023);
+    if (err < 0) {
+        fprintf(stderr, "failed to clear surface: %s\n", strerror(-err));
+        return err;
+    }
+
+    err = vic->ops->execute(vic, pushbuf, &pb, output, NULL, 0);
+    if (err < 0) {
+        fprintf(stderr, "failed to execute operation: %s\n", strerror(-err));
+        return 1;
+    }
+
+    err = drm_tegra_pushbuf_sync_cond(pushbuf, &pb, vic->syncpt,
+                                      DRM_TEGRA_SYNC_COND_OP_DONE);
+    if (err < 0) {
+        fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
+        return 1;
+    }
+
+    err = drm_tegra_pushbuf_end(pushbuf, pb);
+    if (err < 0) {
+        fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err));
+        return 1;
+    }
+
+    err = drm_tegra_job_submit(job, NULL);
+    if (err < 0) {
+        fprintf(stderr, "failed to submit job: %s\n", strerror(-err));
+        return 1;
+    }
+
+    err = drm_tegra_job_wait(job, 1000000000);
+    if (err < 0) {
+        fprintf(stderr, "failed to wait for job: %s\n", strerror(-err));
+        return 1;
+    }
+
+    printf("output: %ux%u\n", output->width, output->height);
+    vic_image_dump(output, stdout);
+
+    drm_tegra_job_free(job);
+    vic_image_free(output);
+    vic_free(vic);
+    drm_tegra_channel_close(channel);
+    drm_tegra_close(drm);
+    close(fd);
+
+    return 0;
+}