drm/tests/drm_rect_test.c

1 // SPDX-License-Identifier: GPL-2.0
19 	KUNIT_EXPECT_EQ(test, r->x1, expected->x1);  in drm_rect_compare()
20 	KUNIT_EXPECT_EQ(test, r->y1, expected->y1);  in drm_rect_compare()
36 	drm_rect_init(&clip, 1, 1, 1, 1);  in drm_test_rect_clip_scaled_div_by_zero()
44 	drm_rect_init(&clip, 1, 1, 1, 1);  in drm_test_rect_clip_scaled_div_by_zero()
56 	/* 1:1 scaling */  in drm_test_rect_clip_scaled_not_clipped()
57 	drm_rect_init(&src, 0, 0, 1 << 16, 1 << 16);  in drm_test_rect_clip_scaled_not_clipped()
58 	drm_rect_init(&dst, 0, 0, 1, 1);  in drm_test_rect_clip_scaled_not_clipped()
59 	drm_rect_init(&clip, 0, 0, 1, 1);  in drm_test_rect_clip_scaled_not_clipped()
63 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 1 << 16 ||  in drm_test_rect_clip_scaled_not_clipped()
64 			       src.y1 != 0 || src.y2 != 1 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_not_clipped()
65 	KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 1 ||  in drm_test_rect_clip_scaled_not_clipped()
66 			       dst.y1 != 0 || dst.y2 != 1, "Destination badly clipped\n");  in drm_test_rect_clip_scaled_not_clipped()
70 	/* 2:1 scaling */  in drm_test_rect_clip_scaled_not_clipped()
71 	drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);  in drm_test_rect_clip_scaled_not_clipped()
72 	drm_rect_init(&dst, 0, 0, 1, 1);  in drm_test_rect_clip_scaled_not_clipped()
73 	drm_rect_init(&clip, 0, 0, 1, 1);  in drm_test_rect_clip_scaled_not_clipped()
77 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 2 << 16 ||  in drm_test_rect_clip_scaled_not_clipped()
78 			       src.y1 != 0 || src.y2 != 2 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_not_clipped()
79 	KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 1 ||  in drm_test_rect_clip_scaled_not_clipped()
80 			       dst.y1 != 0 || dst.y2 != 1, "Destination badly clipped\n");  in drm_test_rect_clip_scaled_not_clipped()
84 	/* 1:2 scaling */  in drm_test_rect_clip_scaled_not_clipped()
85 	drm_rect_init(&src, 0, 0, 1 << 16, 1 << 16);  in drm_test_rect_clip_scaled_not_clipped()
91 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 1 << 16 ||  in drm_test_rect_clip_scaled_not_clipped()
92 			       src.y1 != 0 || src.y2 != 1 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_not_clipped()
104 	/* 1:1 scaling top/left clip */  in drm_test_rect_clip_scaled_clipped()
105 	drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);  in drm_test_rect_clip_scaled_clipped()
107 	drm_rect_init(&clip, 0, 0, 1, 1);  in drm_test_rect_clip_scaled_clipped()
111 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 1 << 16 ||  in drm_test_rect_clip_scaled_clipped()
112 			       src.y1 != 0 || src.y2 != 1 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_clipped()
113 	KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 1 ||  in drm_test_rect_clip_scaled_clipped()
114 			       dst.y1 != 0 || dst.y2 != 1, "Destination badly clipped\n");  in drm_test_rect_clip_scaled_clipped()
118 	/* 1:1 scaling bottom/right clip */  in drm_test_rect_clip_scaled_clipped()
119 	drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);  in drm_test_rect_clip_scaled_clipped()
121 	drm_rect_init(&clip, 1, 1, 1, 1);  in drm_test_rect_clip_scaled_clipped()
125 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 1 << 16 || src.x2 != 2 << 16 ||  in drm_test_rect_clip_scaled_clipped()
126 			       src.y1 != 1 << 16 || src.y2 != 2 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_clipped()
127 	KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 1 || dst.x2 != 2 || dst.y1 != 1 ||  in drm_test_rect_clip_scaled_clipped()
132 	/* 2:1 scaling top/left clip */  in drm_test_rect_clip_scaled_clipped()
133 	drm_rect_init(&src, 0, 0, 4 << 16, 4 << 16);  in drm_test_rect_clip_scaled_clipped()
135 	drm_rect_init(&clip, 0, 0, 1, 1);  in drm_test_rect_clip_scaled_clipped()
139 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 2 << 16 ||  in drm_test_rect_clip_scaled_clipped()
140 			       src.y1 != 0 || src.y2 != 2 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_clipped()
141 	KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 0 || dst.x2 != 1 || dst.y1 != 0 ||  in drm_test_rect_clip_scaled_clipped()
142 			       dst.y2 != 1, "Destination badly clipped\n");  in drm_test_rect_clip_scaled_clipped()
146 	/* 2:1 scaling bottom/right clip */  in drm_test_rect_clip_scaled_clipped()
147 	drm_rect_init(&src, 0, 0, 4 << 16, 4 << 16);  in drm_test_rect_clip_scaled_clipped()
149 	drm_rect_init(&clip, 1, 1, 1, 1);  in drm_test_rect_clip_scaled_clipped()
153 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 2 << 16 || src.x2 != 4 << 16 ||  in drm_test_rect_clip_scaled_clipped()
154 			       src.y1 != 2 << 16 || src.y2 != 4 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_clipped()
155 	KUNIT_EXPECT_FALSE_MSG(test, dst.x1 != 1 || dst.x2 != 2 || dst.y1 != 1 ||  in drm_test_rect_clip_scaled_clipped()
160 	/* 1:2 scaling top/left clip */  in drm_test_rect_clip_scaled_clipped()
161 	drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);  in drm_test_rect_clip_scaled_clipped()
167 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 0 || src.x2 != 1 << 16 ||  in drm_test_rect_clip_scaled_clipped()
168 			       src.y1 != 0 || src.y2 != 1 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_clipped()
174 	/* 1:2 scaling bottom/right clip */  in drm_test_rect_clip_scaled_clipped()
175 	drm_rect_init(&src, 0, 0, 2 << 16, 2 << 16);  in drm_test_rect_clip_scaled_clipped()
181 	KUNIT_EXPECT_FALSE_MSG(test, src.x1 != 1 << 16 || src.x2 != 2 << 16 ||  in drm_test_rect_clip_scaled_clipped()
182 			       src.y1 != 1 << 16 || src.y2 != 2 << 16, "Source badly clipped\n");  in drm_test_rect_clip_scaled_clipped()
195 	 * 'clip.x2 - dst.x1 >= dst width' could result a negative  in drm_test_rect_clip_scaled_signed_vs_unsigned()
204 	drm_rect_init(&clip, 3, 3, 1, 1);  in drm_test_rect_clip_scaled_signed_vs_unsigned()
221 		.description = "top-left x bottom-right",
222 		.r1 = DRM_RECT_INIT(1, 1, 2, 2),
225 		.expected_intersection = DRM_RECT_INIT(1, 1, 1, 1),
228 		.description = "top-right x bottom-left",
230 		.r2 = DRM_RECT_INIT(1, -1, 2, 2),
232 		.expected_intersection = DRM_RECT_INIT(1, 0, 1, 1),
235 		.description = "bottom-left x top-right",
236 		.r1 = DRM_RECT_INIT(1, -1, 2, 2),
239 		.expected_intersection = DRM_RECT_INIT(1, 0, 1, 1),
242 		.description = "bottom-right x top-left",
244 		.r2 = DRM_RECT_INIT(1, 1, 2, 2),
246 		.expected_intersection = DRM_RECT_INIT(1, 1, 1, 1),
250 		.r1 = DRM_RECT_INIT(0, 0, 2, 1),
251 		.r2 = DRM_RECT_INIT(1, 0, 3, 1),
253 		.expected_intersection = DRM_RECT_INIT(1, 0, 1, 1),
257 		.r1 = DRM_RECT_INIT(1, 0, 3, 1),
258 		.r2 = DRM_RECT_INIT(0, 0, 2, 1),
260 		.expected_intersection = DRM_RECT_INIT(1, 0, 1, 1),
264 		.r1 = DRM_RECT_INIT(0, 0, 1, 2),
265 		.r2 = DRM_RECT_INIT(0, -1, 1, 3),
267 		.expected_intersection = DRM_RECT_INIT(0, 0, 1, 2),
271 		.r1 = DRM_RECT_INIT(0, -1, 1, 3),
272 		.r2 = DRM_RECT_INIT(0, 0, 1, 2),
274 		.expected_intersection = DRM_RECT_INIT(0, 0, 1, 2),
278 		.r1 = DRM_RECT_INIT(0, 0, 1, 1),
279 		.r2 = DRM_RECT_INIT(1, 1, 2, 2),
281 		.expected_intersection = DRM_RECT_INIT(1, 1, 0, 0),
285 		.r1 = DRM_RECT_INIT(0, 0, 1, 1),
286 		.r2 = DRM_RECT_INIT(1, 0, 1, 1),
288 		.expected_intersection = DRM_RECT_INIT(1, 0, 0, 1),
300 		.r2 = DRM_RECT_INIT(1, 1, 1, 1),
302 		.expected_intersection = DRM_RECT_INIT(1, 1, 1, 1),
306 		.r1 = DRM_RECT_INIT(0, 0, 1, 1),
307 		.r2 = DRM_RECT_INIT(3, 6, 1, 1),
309 		.expected_intersection = DRM_RECT_INIT(3, 6, -2, -5),
323 		.expected_intersection = DRM_RECT_INIT(5, 10, -5, -10),
331 		 t->description, DRM_RECT_ARG(&t->r1), DRM_RECT_ARG(&t->r2));  in drm_rect_intersect_case_desc()
338 	const struct drm_rect_intersect_case *params = test->param_value;  in drm_test_rect_intersect()
339 	struct drm_rect r1_aux = params->r1;  in drm_test_rect_intersect()
342 	visible = drm_rect_intersect(&r1_aux, &params->r2);  in drm_test_rect_intersect()
344 	KUNIT_EXPECT_EQ(test, visible, params->should_be_visible);  in drm_test_rect_intersect()
345 	drm_rect_compare(test, &r1_aux, &params->expected_intersection);  in drm_test_rect_intersect()
358 		.src = DRM_RECT_INIT(0, 0, 2 << 16, 2 << 16),
359 		.dst = DRM_RECT_INIT(0, 0, 1 << 16, 1 << 16),
365 		.src = DRM_RECT_INIT(0, 0, 10 << 16, 10 << 16),
366 		.dst = DRM_RECT_INIT(0, 0, 1 << 16, 1 << 16),
368 		.expected_scaling_factor = -ERANGE,
372 		.src = DRM_RECT_INIT(0, 0, 2 << 16, 2 << 16),
373 		.dst = DRM_RECT_INIT(0, 0, 1 << 16, 1 << 16),
375 		.expected_scaling_factor = -ERANGE,
379 		.src = DRM_RECT_INIT(0, 0, 2 << 16, 2 << 16),
380 		.dst = DRM_RECT_INIT(0, 0, 0 << 16, 0 << 16),
386 		.src = DRM_RECT_INIT(0, 0, -(1 << 16), -(1 << 16)),
387 		.dst = DRM_RECT_INIT(0, 0, 1 << 16, 1 << 16),
389 		.expected_scaling_factor = -EINVAL,
393 		.src = DRM_RECT_INIT(0, 0, 1 << 16, 1 << 16),
394 		.dst = DRM_RECT_INIT(0, 0, -(1 << 16), -(1 << 16)),
396 		.expected_scaling_factor = -EINVAL,
402 	strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);  in drm_rect_scale_case_desc()
409 	const struct drm_rect_scale_case *params = test->param_value;  in drm_test_rect_calc_hscale()
412 	scaling_factor = drm_rect_calc_hscale(&params->src, &params->dst,  in drm_test_rect_calc_hscale()
413 					      params->min_range, params->max_range);  in drm_test_rect_calc_hscale()
415 	KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor);  in drm_test_rect_calc_hscale()
420 	const struct drm_rect_scale_case *params = test->param_value;  in drm_test_rect_calc_vscale()
423 	scaling_factor = drm_rect_calc_vscale(&params->src, &params->dst,  in drm_test_rect_calc_vscale()
424 					      params->min_range, params->max_range);  in drm_test_rect_calc_vscale()
426 	KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor);  in drm_test_rect_calc_vscale()
439 		.name = "reflect-x",
446 		.name = "reflect-y",
453 		.name = "rotate-0",
460 		.name = "rotate-90",
467 		.name = "rotate-180",
471 		.expected = DRM_RECT_INIT(-11, -3, 5, 10),
474 		.name = "rotate-270",
478 		.expected = DRM_RECT_INIT(-3, 6, 10, 5),
484 	strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);  in drm_rect_rotate_case_desc()
491 	const struct drm_rect_rotate_case *params = test->param_value;  in drm_test_rect_rotate()
492 	struct drm_rect r = params->rect;  in drm_test_rect_rotate()
494 	drm_rect_rotate(&r, params->width, params->height, params->rotation);  in drm_test_rect_rotate()
496 	drm_rect_compare(test, &r, &params->expected);  in drm_test_rect_rotate()
501 	const struct drm_rect_rotate_case *params = test->param_value;  in drm_test_rect_rotate_inv()
502 	struct drm_rect r = params->expected;  in drm_test_rect_rotate_inv()
504 	drm_rect_rotate_inv(&r, params->width, params->height, params->rotation);  in drm_test_rect_rotate_inv()
506 	drm_rect_compare(test, &r, &params->rect);  in drm_test_rect_rotate_inv()