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

[Maarten Lankhorst]

Op 22-11-18 om 17:45 schreef Juha-Pekka Heikkila:
> Add test which create fb bigger than plane and clamp fb
> from all sides.
>
> v2 (Maarten Lankhorst): Fix typo, create different color
> border around clamped fb where during test border should
> stay outside visible area.
>
> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
> ---
>  tests/kms_plane.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 54 insertions(+), 3 deletions(-)
>
> diff --git a/tests/kms_plane.c b/tests/kms_plane.c
> index 45e0a30..b26fda6 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 +413,49 @@ 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,
> -			    c->red, c->green, c->blue, fb);
> +	if (data->crop == 0 || format == DRM_FORMAT_XRGB8888) {
> +		igt_create_color_fb(data->drm_fd, width, height, format,
> +				    LOCAL_DRM_FORMAT_MOD_NONE,
> +				    c->red, c->green, c->blue, fb);
> +	} else {
> +	/*
> +	 * paint border in inverted color, then visible area in middle
> +	 * with correct color for clamping test
> +	 */
> +		cairo_t *cr;
> +
> +		igt_create_fb(data->drm_fd, width + data->crop * 2,
> +				    height + data->crop * 2, format,
> +				    LOCAL_DRM_FORMAT_MOD_NONE,
> +				    fb);
> +
> +		cr = igt_get_cairo_ctx(data->drm_fd, fb);
> +
> +		igt_paint_color(cr, 0, 0,
> +				width+data->crop * 2,
> +				height+data->crop * 2,
> +				1.0f - c->red,
> +				1.0f - c->green,
> +				1.0f - c->blue);
> +
> +		igt_paint_color(cr, data->crop, data->crop,
> +				width, height,
> +				c->red, c->green, c->blue);
> +
> +		igt_put_cairo_ctx(data->drm_fd, fb, cr);
> +	}
>  
>  	igt_plane_set_fb(plane, fb);
>  
> +	/*
> +	 * if clamping test. DRM_FORMAT_XRGB8888 is used for reference color.
> +	 */
> +	if (data->crop != 0  && format != DRM_FORMAT_XRGB8888) {
> +		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);
> +	}
> +
>  	igt_display_commit2(&data->display, data->display.is_atomic ? COMMIT_ATOMIC : COMMIT_UNIVERSAL);
>  	igt_pipe_crc_get_current(data->display.drm_fd, data->pipe_crc, crc);
>  
> @@ -435,6 +473,12 @@ static void test_format_plane(data_t *data, enum pipe pipe,
>  	uint64_t width, height;
>  	igt_crc_t ref_crc[ARRAY_SIZE(colors)];
>  
> +	/*
> +	 * No clamping test for cursor plane
> +	 */
> +	if (data->crop != 0 && plane->type == DRM_PLANE_TYPE_CURSOR)
> +		return;
> +
>  	mode = igt_output_get_mode(output);
>  	if (plane->type != DRM_PLANE_TYPE_CURSOR) {
>  		width = mode->hdisplay;
> @@ -554,6 +598,13 @@ run_tests_for_pipe_plane(data_t *data, enum pipe pipe)
>  		      kmstest_pipe_name(pipe))
>  		test_pixel_formats(data, pipe);
>  
> +	igt_subtest_f("pixel-format-pipe-%s-planes-source-clamping",
> +		      kmstest_pipe_name(pipe)) {
> +		data->crop = 4;
> +		test_pixel_formats(data, pipe);
> +	}
> +
> +	data->crop = 0;
>  	igt_subtest_f("plane-position-covered-pipe-%s-planes",
>  		      kmstest_pipe_name(pipe))
>  		test_plane_position(data, pipe, TEST_POSITION_FULLY_COVERED);

Much better. :)


Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>