blitters-test.c revision 1176bdada62cabc6ec4b0308a930e83b679d5d36 
1/*
2 * Test program, which stresses the use of different color formats and
3 * compositing operations.
4 *
5 * Script 'fuzzer-find-diff.pl' can be used to narrow down the problem in
6 * the case of test failure.
7 */
8#include <stdlib.h>
9#include <stdio.h>
10#include "utils.h"
11
12static pixman_indexed_t rgb_palette[9];
13static pixman_indexed_t y_palette[9];
14
15/* The first eight format in the list are by far the most widely
16 * used formats, so we test those more than the others
17 */
18#define N_MOST_LIKELY_FORMATS 8
19
20/* Create random image for testing purposes */
21static pixman_image_t *
22create_random_image (pixman_format_code_t *allowed_formats,
23		     int                   max_width,
24		     int                   max_height,
25		     int                   max_extra_stride,
26		     pixman_format_code_t *used_fmt)
27{
28    int n = 0, width, height, stride;
29    pixman_format_code_t fmt;
30    uint32_t *buf;
31    pixman_image_t *img;
32
33    while (allowed_formats[n] != PIXMAN_null)
34	n++;
35
36    if (n > N_MOST_LIKELY_FORMATS && prng_rand_n (4) != 0)
37	n = N_MOST_LIKELY_FORMATS;
38    fmt = allowed_formats[prng_rand_n (n)];
39
40    width = prng_rand_n (max_width) + 1;
41    height = prng_rand_n (max_height) + 1;
42    stride = (width * PIXMAN_FORMAT_BPP (fmt) + 7) / 8 +
43	prng_rand_n (max_extra_stride + 1);
44    stride = (stride + 3) & ~3;
45
46    /* do the allocation */
47    buf = aligned_malloc (64, stride * height);
48
49    if (prng_rand_n (4) == 0)
50    {
51	/* uniform distribution */
52	prng_randmemset (buf, stride * height, 0);
53    }
54    else
55    {
56	/* significantly increased probability for 0x00 and 0xFF */
57	prng_randmemset (buf, stride * height, RANDMEMSET_MORE_00_AND_FF);
58    }
59
60    img = pixman_image_create_bits (fmt, width, height, buf, stride);
61
62    if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR)
63    {
64	pixman_image_set_indexed (img, &(rgb_palette[PIXMAN_FORMAT_BPP (fmt)]));
65    }
66    else if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_GRAY)
67    {
68	pixman_image_set_indexed (img, &(y_palette[PIXMAN_FORMAT_BPP (fmt)]));
69    }
70
71    if (prng_rand_n (16) == 0)
72	pixman_image_set_filter (img, PIXMAN_FILTER_BILINEAR, NULL, 0);
73
74    image_endian_swap (img);
75
76    if (used_fmt) *used_fmt = fmt;
77    return img;
78}
79
80/* Free random image, and optionally update crc32 based on its data */
81static uint32_t
82free_random_image (uint32_t initcrc,
83		   pixman_image_t *img,
84		   pixman_format_code_t fmt)
85{
86    uint32_t crc32 = 0;
87    uint32_t *data = pixman_image_get_data (img);
88
89    if (fmt != PIXMAN_null)
90	crc32 = compute_crc32_for_image (initcrc, img);
91
92    pixman_image_unref (img);
93    free (data);
94
95    return crc32;
96}
97
98static pixman_op_t op_list[] = {
99    PIXMAN_OP_SRC,
100    PIXMAN_OP_OVER,
101    PIXMAN_OP_ADD,
102    PIXMAN_OP_CLEAR,
103    PIXMAN_OP_SRC,
104    PIXMAN_OP_DST,
105    PIXMAN_OP_OVER,
106    PIXMAN_OP_OVER_REVERSE,
107    PIXMAN_OP_IN,
108    PIXMAN_OP_IN_REVERSE,
109    PIXMAN_OP_OUT,
110    PIXMAN_OP_OUT_REVERSE,
111    PIXMAN_OP_ATOP,
112    PIXMAN_OP_ATOP_REVERSE,
113    PIXMAN_OP_XOR,
114    PIXMAN_OP_ADD,
115    PIXMAN_OP_SATURATE,
116    PIXMAN_OP_DISJOINT_CLEAR,
117    PIXMAN_OP_DISJOINT_SRC,
118    PIXMAN_OP_DISJOINT_DST,
119    PIXMAN_OP_DISJOINT_OVER,
120    PIXMAN_OP_DISJOINT_OVER_REVERSE,
121    PIXMAN_OP_DISJOINT_IN,
122    PIXMAN_OP_DISJOINT_IN_REVERSE,
123    PIXMAN_OP_DISJOINT_OUT,
124    PIXMAN_OP_DISJOINT_OUT_REVERSE,
125    PIXMAN_OP_DISJOINT_ATOP,
126    PIXMAN_OP_DISJOINT_ATOP_REVERSE,
127    PIXMAN_OP_DISJOINT_XOR,
128    PIXMAN_OP_CONJOINT_CLEAR,
129    PIXMAN_OP_CONJOINT_SRC,
130    PIXMAN_OP_CONJOINT_DST,
131    PIXMAN_OP_CONJOINT_OVER,
132    PIXMAN_OP_CONJOINT_OVER_REVERSE,
133    PIXMAN_OP_CONJOINT_IN,
134    PIXMAN_OP_CONJOINT_IN_REVERSE,
135    PIXMAN_OP_CONJOINT_OUT,
136    PIXMAN_OP_CONJOINT_OUT_REVERSE,
137    PIXMAN_OP_CONJOINT_ATOP,
138    PIXMAN_OP_CONJOINT_ATOP_REVERSE,
139    PIXMAN_OP_CONJOINT_XOR,
140    PIXMAN_OP_MULTIPLY,
141    PIXMAN_OP_SCREEN,
142    PIXMAN_OP_OVERLAY,
143    PIXMAN_OP_DARKEN,
144    PIXMAN_OP_LIGHTEN,
145    PIXMAN_OP_COLOR_DODGE,
146    PIXMAN_OP_COLOR_BURN,
147    PIXMAN_OP_HARD_LIGHT,
148    PIXMAN_OP_DIFFERENCE,
149    PIXMAN_OP_EXCLUSION,
150#if 0 /* these use floating point math and are not always bitexact on different platforms */
151    PIXMAN_OP_SOFT_LIGHT,
152    PIXMAN_OP_HSL_HUE,
153    PIXMAN_OP_HSL_SATURATION,
154    PIXMAN_OP_HSL_COLOR,
155    PIXMAN_OP_HSL_LUMINOSITY,
156#endif
157};
158
159static pixman_format_code_t img_fmt_list[] = {
160    PIXMAN_a8r8g8b8,
161    PIXMAN_a8b8g8r8,
162    PIXMAN_x8r8g8b8,
163    PIXMAN_x8b8g8r8,
164    PIXMAN_r5g6b5,
165    PIXMAN_b5g6r5,
166    PIXMAN_a8,
167    PIXMAN_a1,
168    PIXMAN_r3g3b2,
169    PIXMAN_b8g8r8a8,
170    PIXMAN_b8g8r8x8,
171    PIXMAN_r8g8b8a8,
172    PIXMAN_r8g8b8x8,
173    PIXMAN_x14r6g6b6,
174    PIXMAN_r8g8b8,
175    PIXMAN_b8g8r8,
176#if 0 /* These are going to use floating point in the near future */
177    PIXMAN_x2r10g10b10,
178    PIXMAN_a2r10g10b10,
179    PIXMAN_x2b10g10r10,
180    PIXMAN_a2b10g10r10,
181#endif
182    PIXMAN_a1r5g5b5,
183    PIXMAN_x1r5g5b5,
184    PIXMAN_a1b5g5r5,
185    PIXMAN_x1b5g5r5,
186    PIXMAN_a4r4g4b4,
187    PIXMAN_x4r4g4b4,
188    PIXMAN_a4b4g4r4,
189    PIXMAN_x4b4g4r4,
190    PIXMAN_r3g3b2,
191    PIXMAN_b2g3r3,
192    PIXMAN_a2r2g2b2,
193    PIXMAN_a2b2g2r2,
194    PIXMAN_c8,
195    PIXMAN_g8,
196    PIXMAN_x4c4,
197    PIXMAN_x4g4,
198    PIXMAN_c4,
199    PIXMAN_g4,
200    PIXMAN_g1,
201    PIXMAN_x4a4,
202    PIXMAN_a4,
203    PIXMAN_r1g2b1,
204    PIXMAN_b1g2r1,
205    PIXMAN_a1r1g1b1,
206    PIXMAN_a1b1g1r1,
207    PIXMAN_null
208};
209
210static pixman_format_code_t mask_fmt_list[] = {
211    PIXMAN_a8r8g8b8,
212    PIXMAN_a8,
213    PIXMAN_a4,
214    PIXMAN_a1,
215    PIXMAN_null
216};
217
218
219/*
220 * Composite operation with pseudorandom images
221 */
222uint32_t
223test_composite (int testnum, int verbose)
224{
225    int i;
226    pixman_image_t *src_img = NULL;
227    pixman_image_t *dst_img = NULL;
228    pixman_image_t *mask_img = NULL;
229    int src_width, src_height;
230    int dst_width, dst_height;
231    int src_stride, dst_stride;
232    int src_x, src_y;
233    int dst_x, dst_y;
234    int mask_x, mask_y;
235    int w, h;
236    pixman_op_t op;
237    pixman_format_code_t src_fmt, dst_fmt, mask_fmt;
238    uint32_t *dstbuf, *srcbuf, *maskbuf;
239    uint32_t crc32;
240    int max_width, max_height, max_extra_stride;
241    FLOAT_REGS_CORRUPTION_DETECTOR_START ();
242
243    max_width = max_height = 24 + testnum / 10000;
244    max_extra_stride = 4 + testnum / 1000000;
245
246    if (max_width > 256)
247	max_width = 256;
248
249    if (max_height > 16)
250	max_height = 16;
251
252    if (max_extra_stride > 8)
253	max_extra_stride = 8;
254
255    prng_srand (testnum);
256
257    op = op_list[prng_rand_n (ARRAY_LENGTH (op_list))];
258
259    if (prng_rand_n (8))
260    {
261	/* normal image */
262	src_img = create_random_image (img_fmt_list, max_width, max_height,
263				       max_extra_stride, &src_fmt);
264    }
265    else
266    {
267	/* solid case */
268	src_img = create_random_image (img_fmt_list, 1, 1,
269				       max_extra_stride, &src_fmt);
270
271	pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL);
272    }
273
274    dst_img = create_random_image (img_fmt_list, max_width, max_height,
275				   max_extra_stride, &dst_fmt);
276
277    src_width = pixman_image_get_width (src_img);
278    src_height = pixman_image_get_height (src_img);
279    src_stride = pixman_image_get_stride (src_img);
280
281    dst_width = pixman_image_get_width (dst_img);
282    dst_height = pixman_image_get_height (dst_img);
283    dst_stride = pixman_image_get_stride (dst_img);
284
285    dstbuf = pixman_image_get_data (dst_img);
286    srcbuf = pixman_image_get_data (src_img);
287
288    src_x = prng_rand_n (src_width);
289    src_y = prng_rand_n (src_height);
290    dst_x = prng_rand_n (dst_width);
291    dst_y = prng_rand_n (dst_height);
292
293    mask_img = NULL;
294    mask_fmt = PIXMAN_null;
295    mask_x = 0;
296    mask_y = 0;
297    maskbuf = NULL;
298
299    if ((src_fmt == PIXMAN_x8r8g8b8 || src_fmt == PIXMAN_x8b8g8r8) &&
300	(prng_rand_n (4) == 0))
301    {
302	/* PIXBUF */
303	mask_fmt = prng_rand_n (2) ? PIXMAN_a8r8g8b8 : PIXMAN_a8b8g8r8;
304	mask_img = pixman_image_create_bits (mask_fmt,
305	                                     src_width,
306	                                     src_height,
307	                                     srcbuf,
308	                                     src_stride);
309	mask_x = src_x;
310	mask_y = src_y;
311	maskbuf = srcbuf;
312    }
313    else if (prng_rand_n (2))
314    {
315	if (prng_rand_n (2))
316	{
317	    mask_img = create_random_image (mask_fmt_list, max_width, max_height,
318					   max_extra_stride, &mask_fmt);
319	}
320	else
321	{
322	    /* solid case */
323	    mask_img = create_random_image (mask_fmt_list, 1, 1,
324					   max_extra_stride, &mask_fmt);
325	    pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL);
326	}
327
328	if (prng_rand_n (2))
329	    pixman_image_set_component_alpha (mask_img, 1);
330
331	mask_x = prng_rand_n (pixman_image_get_width (mask_img));
332	mask_y = prng_rand_n (pixman_image_get_height (mask_img));
333    }
334
335
336    w = prng_rand_n (dst_width - dst_x + 1);
337    h = prng_rand_n (dst_height - dst_y + 1);
338
339    if (verbose)
340    {
341        printf ("op=%s\n", operator_name (op));
342	printf ("src_fmt=%s, dst_fmt=%s, mask_fmt=%s\n",
343	    format_name (src_fmt), format_name (dst_fmt),
344	    format_name (mask_fmt));
345	printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n",
346	    src_width, src_height, dst_width, dst_height);
347	printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n",
348	    src_x, src_y, dst_x, dst_y);
349	printf ("src_stride=%d, dst_stride=%d\n",
350	    src_stride, dst_stride);
351	printf ("w=%d, h=%d\n", w, h);
352    }
353
354    pixman_image_composite (op, src_img, mask_img, dst_img,
355			    src_x, src_y, mask_x, mask_y, dst_x, dst_y, w, h);
356
357    if (verbose)
358    {
359	int j;
360
361	printf ("---\n");
362	for (i = 0; i < dst_height; i++)
363	{
364	    for (j = 0; j < dst_stride; j++)
365	    {
366		if (j == (dst_width * PIXMAN_FORMAT_BPP (dst_fmt) + 7) / 8)
367		    printf ("| ");
368
369		printf ("%02X ", *((uint8_t *)dstbuf + i * dst_stride + j));
370	    }
371	    printf ("\n");
372	}
373	printf ("---\n");
374    }
375
376    free_random_image (0, src_img, PIXMAN_null);
377    crc32 = free_random_image (0, dst_img, dst_fmt);
378
379    if (mask_img)
380    {
381	if (srcbuf == maskbuf)
382	    pixman_image_unref(mask_img);
383	else
384	    free_random_image (0, mask_img, PIXMAN_null);
385    }
386
387    FLOAT_REGS_CORRUPTION_DETECTOR_FINISH ();
388    return crc32;
389}
390
391int
392main (int argc, const char *argv[])
393{
394    int i;
395
396    prng_srand (0);
397
398    for (i = 1; i <= 8; i++)
399    {
400	initialize_palette (&(rgb_palette[i]), i, TRUE);
401	initialize_palette (&(y_palette[i]), i, FALSE);
402    }
403
404    return fuzzer_test_main("blitters", 2000000,
405			    0x0CF3283B,
406			    test_composite, argc, argv);
407}
408