Re: [PATCH i-g-t] tests/kms_plane_scaling: test scaling with tiling rotation and pixel formats, v3.

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On Tue, 2018-01-16 at 15:00 +0100, Maarten Lankhorst wrote:
> From: Jyoti Yadav <jyoti.r.yadav@xxxxxxxxx>
> 
> This patch adds subtest for testing scaling in combination with
> rotation
> and pixel formats.
> 
> Changes since v1:
> - Rework test to work with the other changes to kms_plane_scaling.
> (Maarten)
> - Remove hardcodes for MIN/MAX_SRC_WIDTH, and use the value directly.
> (Maarten)
> Changes since v2:
> - Put rotation and tiling in an array. (Maarten)
> 
> Signed-off-by: Jyoti Yadav <jyoti.r.yadav@xxxxxxxxx>
> Signed-off-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
> Signed-off-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> ---
>  tests/kms_plane_scaling.c | 130
> +++++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 129 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
> index a361a00face4..b5d31bbeb0f4 100644
> --- a/tests/kms_plane_scaling.c
> +++ b/tests/kms_plane_scaling.c
> @@ -60,6 +60,7 @@ static void cleanup_crtc(data_t *data)
>  {
>  	int i;
>  
> +	igt_display_reset(&data->display);
>  	igt_pipe_crc_free(data->pipe_crc);
>  	data->pipe_crc = NULL;
>  
> @@ -79,7 +80,6 @@ static void prepare_crtc(data_t *data, igt_output_t
> *output, enum pipe pipe,
>  
>  	cleanup_crtc(data);
>  
> -	igt_display_reset(display);
>  	igt_output_set_pipe(output, pipe);
>  
>  	/* create the pipe_crc object for this pipe */
> @@ -112,6 +112,125 @@ static void prepare_crtc(data_t *data,
> igt_output_t *output, enum pipe pipe,
>  	igt_display_commit2(display, COMMIT_ATOMIC);
>  }
>  
> +static void paint_fb(data_t *d, struct igt_fb *fb)
> +{
> +	cairo_t *cr;
> +
> +	cr = igt_get_cairo_ctx(d->drm_fd, fb);
> +	igt_paint_color(cr, 0, 0, fb->width, fb->height, 0.0, 1.0,
> 0.0);
> +	igt_assert(cairo_status(cr) == 0);
> +	cairo_destroy(cr);
> +}
> +
> +static void check_scaling_pipe_plane_rot(data_t *d, igt_plane_t
> *plane,
> +					 uint32_t pixel_format,
> +					 uint64_t tiling, enum pipe
> pipe,
> +					 igt_output_t *output,
> +					 igt_rotation_t rot)
> +{
> +	igt_display_t *display = &d->display;
> +	int width, height;
> +	drmModeModeInfo *mode;
> +
> +	cleanup_crtc(d);
> +
> +	igt_output_set_pipe(output, pipe);
> +	mode = igt_output_get_mode(output);
> +
> +	/* create buffer in the range of  min and max source side
> limit.*/
> +	width = height = 9;
> +	igt_create_fb(display->drm_fd, width, height,
> +		      pixel_format, tiling, &d->fb[0]);
> +	paint_fb(d, &d->fb[0]);
> +	igt_plane_set_fb(plane, &d->fb[0]);
> +
> +	/* Check min to full resolution upscaling */
> +	igt_fb_set_position(&d->fb[0], plane, 0, 0);
> +	igt_fb_set_size(&d->fb[0], plane, width, height);
> +	igt_plane_set_position(plane, 0, 0);
> +	igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
> +	igt_plane_set_rotation(plane, rot);
> +	igt_display_commit2(display, COMMIT_ATOMIC);
> +
> +	igt_plane_set_fb(plane, NULL);
> +	igt_plane_set_position(plane, 0, 0);
> +}
> +
> +static const igt_rotation_t rotations[] = {
> +	IGT_ROTATION_0,
> +	IGT_ROTATION_90,
> +	IGT_ROTATION_180,
> +	IGT_ROTATION_270,
> +};
It's better this way so that we don't have to keep in sync
MAX_ROTATIONS and the actual rotation options.

Reviewed-by: Mika Kahola <mika.kahola@xxxxxxxxx>

> +
> +static void test_scaler_with_rotation_pipe(data_t *d, enum pipe
> pipe,
> +					   igt_output_t *output)
> +{
> +	igt_display_t *display = &d->display;
> +	igt_plane_t *plane;
> +
> +	igt_output_set_pipe(output, pipe);
> +	for_each_plane_on_pipe(display, pipe, plane) {
> +		if (plane->type == DRM_PLANE_TYPE_CURSOR)
> +			continue;
> +
> +		for (int i = 0; i < ARRAY_SIZE(rotations); i++) {
> +			igt_rotation_t rot = rotations[i];
> +
> +			check_scaling_pipe_plane_rot(d, plane,
> DRM_FORMAT_XRGB8888,
> +						     LOCAL_I915_FORM
> AT_MOD_Y_TILED,
> +						     pipe, output,
> rot);
> +		}
> +	}
> +}
> +
> +static bool can_draw(uint32_t drm_format)
> +{
> +	const uint32_t *drm_formats;
> +	int format_count, i;
> +
> +	igt_get_all_cairo_formats(&drm_formats, &format_count);
> +
> +	for (i = 0; i < format_count; i++)
> +		if (drm_formats[i] == drm_format)
> +			return true;
> +
> +	return false;
> +}
> +
> +static const uint64_t tilings[] = {
> +	LOCAL_DRM_FORMAT_MOD_NONE,
> +	LOCAL_I915_FORMAT_MOD_X_TILED,
> +	LOCAL_I915_FORMAT_MOD_Y_TILED,
> +	LOCAL_I915_FORMAT_MOD_Yf_TILED
> +};
> +
> +static void test_scaler_with_pixel_format_pipe(data_t *d, enum pipe
> pipe, igt_output_t *output)
> +{
> +	igt_display_t *display = &d->display;
> +	igt_plane_t *plane;
> +
> +	igt_output_set_pipe(output, pipe);
> +
> +	for_each_plane_on_pipe(display, pipe, plane) {
> +		if (plane->type == DRM_PLANE_TYPE_CURSOR)
> +			continue;
> +
> +		for (int i = 0; i < ARRAY_SIZE(tilings); i++) {
> +			uint64_t tiling = tilings[i];
> +
> +			for (int j = 0; j < plane->drm_plane-
> >count_formats; j++) {
> +				uint32_t format = plane->drm_plane-
> >formats[j];
> +
> +				if (can_draw(format))
> +					check_scaling_pipe_plane_rot
> (d, plane,
> +								    
>  format, tiling,
> +								    
>  pipe, output, IGT_ROTATION_0);
> +			}
> +		}
> +	}
> +}
> +
>  /* does iterative scaling on plane2 */
>  static void iterate_plane_scaling(data_t *d, drmModeModeInfo *mode)
>  {
> @@ -295,6 +414,15 @@ igt_main
>  		igt_subtest_f("pipe-%s-plane-scaling",
> kmstest_pipe_name(pipe))
>  			for_each_valid_output_on_pipe(&data.display,
> pipe, output)
>  				test_plane_scaling_on_pipe(&data,
> pipe, output);
> +
> +		igt_subtest_f("pipe-%s-scaler-with-pixel-format",
> kmstest_pipe_name(pipe))
> +			for_each_valid_output_on_pipe(&data.display,
> pipe, output)
> +				test_scaler_with_pixel_format_pipe(&
> data, pipe, output);
> +
> +		igt_subtest_f("pipe-%s-scaler-with-rotation",
> kmstest_pipe_name(pipe))
> +			for_each_valid_output_on_pipe(&data.display,
> pipe, output)
> +				test_scaler_with_rotation_pipe(&data
> , pipe, output);
> +
>  	}
>  
>  	igt_fixture
-- 
Mika Kahola - Intel OTC

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