2 * Copyright © 2005 Eric Anholt
3 * Copyright © 2009 Chris Wilson
4 * Copyright © 2010 Soeren Sandmann
5 * Copyright © 2010 Red Hat, Inc.
7 * Permission to use, copy, modify, distribute, and sell this software and its
8 * documentation for any purpose is hereby granted without fee, provided that
9 * the above copyright notice appear in all copies and that both that
10 * copyright notice and this permission notice appear in supporting
11 * documentation, and that the name of Eric Anholt not be used in
12 * advertising or publicity pertaining to distribution of the software without
13 * specific, written prior permission. Eric Anholt makes no
14 * representations about the suitability of this software for any purpose. It
15 * is provided "as is" without express or implied warranty.
17 * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
19 * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
20 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
22 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
23 * PERFORMANCE OF THIS SOFTWARE.
26 #include <stdlib.h> /* abort() */
31 typedef struct image_t image_t;
33 static const color_t colors[] =
35 { 1.0, 1.0, 1.0, 1.0 },
36 { 1.0, 1.0, 1.0, 0.0 },
37 { 0.0, 0.0, 0.0, 1.0 },
38 { 0.0, 0.0, 0.0, 0.0 },
39 { 1.0, 0.0, 0.0, 1.0 },
40 { 0.0, 1.0, 0.0, 1.0 },
41 { 0.0, 0.0, 1.0, 1.0 },
42 { 0.5, 0.0, 0.0, 0.5 },
46 _color_double_to_short (double d)
50 i = (uint32_t) (d * 65536);
57 compute_pixman_color (const color_t *color,
60 out->red = _color_double_to_short (color->r);
61 out->green = _color_double_to_short (color->g);
62 out->blue = _color_double_to_short (color->b);
63 out->alpha = _color_double_to_short (color->a);
66 #define REPEAT 0x01000000
67 #define FLAGS 0xff000000
69 static const int sizes[] =
77 static const pixman_format_code_t formats[] =
133 pixman_image_t *image;
134 pixman_format_code_t format;
135 const color_t *color;
136 pixman_repeat_t repeat;
140 static const pixman_op_t operators[] =
146 PIXMAN_OP_OVER_REVERSE,
148 PIXMAN_OP_IN_REVERSE,
150 PIXMAN_OP_OUT_REVERSE,
152 PIXMAN_OP_ATOP_REVERSE,
157 PIXMAN_OP_DISJOINT_CLEAR,
158 PIXMAN_OP_DISJOINT_SRC,
159 PIXMAN_OP_DISJOINT_DST,
160 PIXMAN_OP_DISJOINT_OVER,
161 PIXMAN_OP_DISJOINT_OVER_REVERSE,
162 PIXMAN_OP_DISJOINT_IN,
163 PIXMAN_OP_DISJOINT_IN_REVERSE,
164 PIXMAN_OP_DISJOINT_OUT,
165 PIXMAN_OP_DISJOINT_OUT_REVERSE,
166 PIXMAN_OP_DISJOINT_ATOP,
167 PIXMAN_OP_DISJOINT_ATOP_REVERSE,
168 PIXMAN_OP_DISJOINT_XOR,
170 PIXMAN_OP_CONJOINT_CLEAR,
171 PIXMAN_OP_CONJOINT_SRC,
172 PIXMAN_OP_CONJOINT_DST,
173 PIXMAN_OP_CONJOINT_OVER,
174 PIXMAN_OP_CONJOINT_OVER_REVERSE,
175 PIXMAN_OP_CONJOINT_IN,
176 PIXMAN_OP_CONJOINT_IN_REVERSE,
177 PIXMAN_OP_CONJOINT_OUT,
178 PIXMAN_OP_CONJOINT_OUT_REVERSE,
179 PIXMAN_OP_CONJOINT_ATOP,
180 PIXMAN_OP_CONJOINT_ATOP_REVERSE,
181 PIXMAN_OP_CONJOINT_XOR,
185 get_value (pixman_image_t *image)
187 uint32_t value = *(uint32_t *)pixman_image_get_data (image);
189 #ifdef WORDS_BIGENDIAN
191 pixman_format_code_t format = pixman_image_get_format (image);
192 value >>= 8 * sizeof(value) - PIXMAN_FORMAT_BPP (format);
200 describe_image (image_t *info, char *buf)
204 sprintf (buf, "%s, %dx%d%s",
205 format_name (info->format),
206 info->size, info->size,
207 info->repeat ? " R" :"");
211 sprintf (buf, "solid");
218 describe_color (const color_t *color, char *buf)
220 sprintf (buf, "%.3f %.3f %.3f %.3f",
221 color->r, color->g, color->b, color->a);
227 composite_test (image_t *dst,
231 pixman_bool_t component_alpha,
234 color_t expected, tdst, tsrc, tmsk;
235 pixel_checker_t checker;
239 pixman_image_set_component_alpha (mask->image, component_alpha);
241 pixman_image_composite (op, src->image, mask->image, dst->image,
242 0, 0, 0, 0, 0, 0, dst->size, dst->size);
246 pixman_image_composite (op, src->image, NULL, dst->image,
250 dst->size, dst->size);
261 /* It turns out that by construction all source, mask etc. colors are
262 * linear because they are made from fills, and fills are always in linear
263 * color space. However, if they have been converted to bitmaps, we need
264 * to simulate the sRGB approximation to pass the test cases.
268 if (PIXMAN_FORMAT_TYPE (src->format) == PIXMAN_TYPE_ARGB_SRGB)
270 tsrc.r = convert_linear_to_srgb (tsrc.r);
271 tsrc.g = convert_linear_to_srgb (tsrc.g);
272 tsrc.b = convert_linear_to_srgb (tsrc.b);
273 round_color (src->format, &tsrc);
274 tsrc.r = convert_srgb_to_linear (tsrc.r);
275 tsrc.g = convert_srgb_to_linear (tsrc.g);
276 tsrc.b = convert_srgb_to_linear (tsrc.b);
280 round_color (src->format, &tsrc);
284 if (mask && mask->size)
286 if (PIXMAN_FORMAT_TYPE (mask->format) == PIXMAN_TYPE_ARGB_SRGB)
288 tmsk.r = convert_linear_to_srgb (tmsk.r);
289 tmsk.g = convert_linear_to_srgb (tmsk.g);
290 tmsk.b = convert_linear_to_srgb (tmsk.b);
291 round_color (mask->format, &tmsk);
292 tmsk.r = convert_srgb_to_linear (tmsk.r);
293 tmsk.g = convert_srgb_to_linear (tmsk.g);
294 tmsk.b = convert_srgb_to_linear (tmsk.b);
298 round_color (mask->format, &tmsk);
304 if (component_alpha && PIXMAN_FORMAT_R (mask->format) == 0)
306 /* Ax component-alpha masks expand alpha into
307 * all color channels.
309 tmsk.r = tmsk.g = tmsk.b = tmsk.a;
313 if (PIXMAN_FORMAT_TYPE (dst->format) == PIXMAN_TYPE_ARGB_SRGB)
315 tdst.r = convert_linear_to_srgb (tdst.r);
316 tdst.g = convert_linear_to_srgb (tdst.g);
317 tdst.b = convert_linear_to_srgb (tdst.b);
318 round_color (dst->format, &tdst);
319 tdst.r = convert_srgb_to_linear (tdst.r);
320 tdst.g = convert_srgb_to_linear (tdst.g);
321 tdst.b = convert_srgb_to_linear (tdst.b);
325 round_color (dst->format, &tdst);
335 pixel_checker_init (&checker, dst->format);
337 if (!pixel_checker_check (&checker, get_value (dst->image), &expected))
339 char buf[40], buf2[40];
343 printf ("---- Test %d failed ----\n", testno);
344 printf ("Operator: %s %s\n",
345 operator_name (op), component_alpha ? "CA" : "");
347 printf ("Source: %s\n", describe_image (src, buf));
349 printf ("Mask: %s\n", describe_image (mask, buf));
351 printf ("Destination: %s\n\n", describe_image (dst, buf));
352 printf (" R G B A Rounded\n");
353 printf ("Source color: %s %s\n",
354 describe_color (src->color, buf),
355 describe_color (&tsrc, buf2));
358 printf ("Mask color: %s %s\n",
359 describe_color (mask->color, buf),
360 describe_color (&tmsk, buf2));
362 printf ("Dest. color: %s %s\n",
363 describe_color (dst->color, buf),
364 describe_color (&tdst, buf2));
366 pixel = get_value (dst->image);
368 printf ("Expected: %s\n", describe_color (&expected, buf));
370 pixel_checker_split_pixel (&checker, pixel, &a, &r, &g, &b);
372 printf ("Got: %5d %5d %5d %5d [pixel: 0x%08x]\n", r, g, b, a, pixel);
373 pixel_checker_get_min (&checker, &expected, &a, &r, &g, &b);
374 printf ("Min accepted: %5d %5d %5d %5d\n", r, g, b, a);
375 pixel_checker_get_max (&checker, &expected, &a, &r, &g, &b);
376 printf ("Max accepted: %5d %5d %5d %5d\n", r, g, b, a);
384 image_init (image_t *info,
391 info->color = &colors[color];
392 compute_pixman_color (info->color, &fill);
394 info->format = formats[format];
395 info->size = sizes[size] & ~FLAGS;
396 info->repeat = PIXMAN_REPEAT_NONE;
400 pixman_image_t *solid;
402 info->image = pixman_image_create_bits (info->format,
403 info->size, info->size,
406 solid = pixman_image_create_solid_fill (&fill);
407 pixman_image_composite32 (PIXMAN_OP_SRC, solid, NULL, info->image,
408 0, 0, 0, 0, 0, 0, info->size, info->size);
409 pixman_image_unref (solid);
411 if (sizes[size] & REPEAT)
413 pixman_image_set_repeat (info->image, PIXMAN_REPEAT_NORMAL);
414 info->repeat = PIXMAN_REPEAT_NORMAL;
419 info->image = pixman_image_create_solid_fill (&fill);
424 image_fini (image_t *info)
426 pixman_image_unref (info->image);
432 return prng_rand_n (ARRAY_LENGTH (sizes));
438 return prng_rand_n (ARRAY_LENGTH (colors));
444 return prng_rand_n (ARRAY_LENGTH (formats));
448 run_test (uint32_t seed)
450 image_t src, mask, dst;
457 image_init (&dst, random_color(), random_format(), 1);
458 image_init (&src, random_color(), random_format(), random_size());
459 image_init (&mask, random_color(), random_format(), random_size());
461 op = operators [prng_rand_n (ARRAY_LENGTH (operators))];
463 ca = prng_rand_n (3);
468 ok = composite_test (&dst, op, &src, NULL, FALSE, seed);
471 ok = composite_test (&dst, op, &src, &mask, FALSE, seed);
474 ok = composite_test (&dst, op, &src, &mask,
475 mask.size? TRUE : FALSE, seed);
490 main (int argc, char **argv)
492 #define N_TESTS (8 * 1024 * 1024)
501 i = strtol (argv[1], &end, 0);
512 printf ("Usage:\n\n %s <number>\n\n", argv[0]);
517 if (getenv ("PIXMAN_RANDOMIZE_TESTS"))
518 seed = get_random_seed();
523 # pragma omp parallel for default(none) shared(result, argv, seed)
525 for (i = 0; i <= N_TESTS; ++i)
527 if (!result && !run_test (i + seed))
529 printf ("Test 0x%08X failed.\n", seed + i);