[PATCH v2 libdrm 6/7] tegra: Add gr2d-fill test

[Erik Faye-Lund]

On Wed, Apr 9, 2014 at 1:40 PM, Thierry Reding <thierry.reding at gmail.com> wrote:
> diff --git a/tests/tegra/gr2d-fill.c b/tests/tegra/gr2d-fill.c
> new file mode 100644
> index 000000000000..b6ba35a9d668
> --- /dev/null
> +++ b/tests/tegra/gr2d-fill.c
> @@ -0,0 +1,146 @@
> +/*
> + * Copyright © 2014 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.
> + */
> +
> +#ifdef HAVE_CONFIG_H
> +#  include "config.h"
> +#endif
> +
> +#include <errno.h>
> +#include <fcntl.h>
> +#include <stdbool.h>
> +#include <stdint.h>
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <string.h>
> +#include <unistd.h>
> +
> +#include <sys/ioctl.h>
> +
> +#include "xf86drm.h"
> +#include "xf86drmMode.h"
> +#include "drm_fourcc.h"
> +
> +#include "drm-test-tegra.h"
> +#include "tegra.h"
> +
> +int main(int argc, char *argv[])
> +{
> +       uint32_t format = DRM_FORMAT_XRGB8888;
> +       struct drm_tegra_gr2d *gr2d;
> +       struct drm_framebuffer *fb;
> +       struct drm_screen *screen;
> +       unsigned int pitch, size;
> +       struct drm_tegra_bo *bo;
> +       struct drm_tegra *drm;
> +       uint32_t handle;
> +       int fd, err;
> +       void *ptr;
> +
> +       fd = drm_open(argv[1]);
> +       if (fd < 0) {
> +               fprintf(stderr, "failed to open DRM device %s: %s\n", argv[1],
> +                       strerror(errno));
> +               return 1;
> +       }

I'm not quite sure I understand this part. Why would argv[1] be
anything else than NULL? Is this useful for manual debugging, perhaps?

> +       err = drm_tegra_gr2d_fill(gr2d, fb, fb->width / 4, fb->height / 4,
> +                                 fb->width / 2, fb->height / 2, 0x00000000);
> +       if (err < 0) {
> +               fprintf(stderr, "failed to fill rectangle: %s\n",
> +                       strerror(-err));
> +               return 1;
> +       }
> +
> +       sleep(1);
> +

Why do we need to sleep here?