[igt-dev] [PATCH i-g-t] tests/kms_plane: add source clamping test

[Maarten Lankhorst]

Op 15-11-18 om 16:51 schreef Juha-Pekka Heikkila:
> Add test which create fb bigger than plane and clamp fb from all sides.
>
> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
> ---
>  tests/kms_plane.c | 28 ++++++++++++++++++++++++++--
>  1 file changed, 26 insertions(+), 2 deletions(-)
>
> diff --git a/tests/kms_plane.c b/tests/kms_plane.c
> index 45e0a30..d79c22e 100644
> --- a/tests/kms_plane.c
> +++ b/tests/kms_plane.c
> @@ -41,6 +41,7 @@ typedef struct {
>  	int drm_fd;
>  	igt_display_t display;
>  	igt_pipe_crc_t *pipe_crc;
> +	uint32_t crop;
>  } data_t;
>  
>  static color_t red   = { 1.0f, 0.0f, 0.0f };
> @@ -412,12 +413,22 @@ static void test_format_plane_color(data_t *data, enum pipe pipe,
>  	const color_t *c = &colors[color];
>  	struct igt_fb old_fb = *fb;
>  
> -	igt_create_color_fb(data->drm_fd, width, height,
> -			    format, LOCAL_DRM_FORMAT_MOD_NONE,
> +	igt_create_color_fb(data->drm_fd, width+data->crop*2,
> +			    height+data->crop*2, format,
> +			    LOCAL_DRM_FORMAT_MOD_NONE,
>  			    c->red, c->green, c->blue, fb);
>  
>  	igt_plane_set_fb(plane, fb);
>  
> +	/*
> +	 * if clamping test
> +	 */
> +	if (width-data->crop != 0) {
if (data->crop) ?
> +		igt_plane_set_size(plane, width, height);
> +		igt_fb_set_position(fb, plane, data->crop, data->crop);
> +		igt_fb_set_size(fb, plane, width, height);
> +	}
> +

If you don't fill the color fb outside the visible boundaries with a different color, I don't think you're testing anything..

~Maarten