diff options
Diffstat (limited to 'pixman/test/blitters-test.c')
| -rw-r--r-- | pixman/test/blitters-test.c | 981 |
1 files changed, 484 insertions, 497 deletions
diff --git a/pixman/test/blitters-test.c b/pixman/test/blitters-test.c index 18f871eae..1340e081a 100644 --- a/pixman/test/blitters-test.c +++ b/pixman/test/blitters-test.c @@ -1,497 +1,484 @@ -/* - * Test program, which stresses the use of different color formats and - * compositing operations. - * - * Just run it without any command line arguments, and it will report either - * "blitters test passed" - everything is ok - * "blitters test failed!" - there is some problem - * - * In the case of failure, finding the problem involves the following steps: - * 1. Get the reference 'blitters-test' binary. It makes sense to disable all - * the cpu specific optimizations in pixman and also configure it with - * '--disable-shared' option. Those who are paranoid can also tweak the - * sources to disable all fastpath functions. The resulting binary - * can be renamed to something like 'blitters-test.ref'. - * 2. Compile the buggy binary (also with the '--disable-shared' option). - * 3. Run 'ruby blitters-test-bisect.rb ./blitters-test.ref ./blitters-test' - * 4. Look at the information about failed case (destination buffer content - * will be shown) and try to figure out what is wrong. Loading - * test program in gdb, specifying failed test number in the command - * line with '-' character prepended and setting breakpoint on - * 'pixman_image_composite' function can provide detailed information - * about function arguments - */ -#include <assert.h> -#include <stdlib.h> -#include <stdio.h> -#include <config.h> -#include "utils.h" - -static pixman_indexed_t palette; - -static void * -aligned_malloc (size_t align, size_t size) -{ - void *result; - -#ifdef HAVE_POSIX_MEMALIGN - if (posix_memalign (&result, align, size) != 0) - result = NULL; -#else - result = malloc (size); -#endif - - return result; -} - -/* Create random image for testing purposes */ -static pixman_image_t * -create_random_image (pixman_format_code_t *allowed_formats, - int max_width, - int max_height, - int max_extra_stride, - pixman_format_code_t *used_fmt) -{ - int n = 0, i, width, height, stride; - pixman_format_code_t fmt; - uint32_t *buf; - pixman_image_t *img; - - while (allowed_formats[n] != -1) - n++; - fmt = allowed_formats[lcg_rand_n (n)]; - - width = lcg_rand_n (max_width) + 1; - height = lcg_rand_n (max_height) + 1; - stride = (width * PIXMAN_FORMAT_BPP (fmt) + 7) / 8 + - lcg_rand_n (max_extra_stride + 1); - stride = (stride + 3) & ~3; - - /* do the allocation */ - buf = aligned_malloc (64, stride * height); - - /* initialize image with random data */ - for (i = 0; i < stride * height; i++) - { - /* generation is biased to having more 0 or 255 bytes as - * they are more likely to be special-cased in code - */ - *((uint8_t *)buf + i) = lcg_rand_n (4) ? lcg_rand_n (256) : - (lcg_rand_n (2) ? 0 : 255); - } - - img = pixman_image_create_bits (fmt, width, height, buf, stride); - - if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR || - PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_GRAY) - { - pixman_image_set_indexed (img, &palette); - } - - image_endian_swap (img, PIXMAN_FORMAT_BPP (fmt)); - - if (used_fmt) *used_fmt = fmt; - return img; -} - -/* Free random image, and optionally update crc32 based on its data */ -static uint32_t -free_random_image (uint32_t initcrc, - pixman_image_t *img, - pixman_format_code_t fmt) -{ - uint32_t crc32 = 0; - int stride = pixman_image_get_stride (img); - uint32_t *data = pixman_image_get_data (img); - int height = pixman_image_get_height (img); - - if (fmt != -1) - { - /* mask unused 'x' part */ - if (PIXMAN_FORMAT_BPP (fmt) - PIXMAN_FORMAT_DEPTH (fmt) && - PIXMAN_FORMAT_DEPTH (fmt) != 0) - { - int i; - uint32_t *data = pixman_image_get_data (img); - uint32_t mask = (1 << PIXMAN_FORMAT_DEPTH (fmt)) - 1; - - if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_BGRA) - mask <<= (PIXMAN_FORMAT_BPP (fmt) - PIXMAN_FORMAT_DEPTH (fmt)); - - for (i = 0; i < 32; i++) - mask |= mask << (i * PIXMAN_FORMAT_BPP (fmt)); - - for (i = 0; i < stride * height / 4; i++) - data[i] &= mask; - } - - /* swap endiannes in order to provide identical results on both big - * and litte endian systems - */ - image_endian_swap (img, PIXMAN_FORMAT_BPP (fmt)); - crc32 = compute_crc32 (initcrc, data, stride * height); - } - - pixman_image_unref (img); - free (data); - - return crc32; -} - -static pixman_op_t op_list[] = { - PIXMAN_OP_SRC, - PIXMAN_OP_OVER, - PIXMAN_OP_ADD, - PIXMAN_OP_CLEAR, - PIXMAN_OP_SRC, - PIXMAN_OP_DST, - PIXMAN_OP_OVER, - PIXMAN_OP_OVER_REVERSE, - PIXMAN_OP_IN, - PIXMAN_OP_IN_REVERSE, - PIXMAN_OP_OUT, - PIXMAN_OP_OUT_REVERSE, - PIXMAN_OP_ATOP, - PIXMAN_OP_ATOP_REVERSE, - PIXMAN_OP_XOR, - PIXMAN_OP_ADD, - PIXMAN_OP_SATURATE, - PIXMAN_OP_DISJOINT_CLEAR, - PIXMAN_OP_DISJOINT_SRC, - PIXMAN_OP_DISJOINT_DST, - PIXMAN_OP_DISJOINT_OVER, - PIXMAN_OP_DISJOINT_OVER_REVERSE, - PIXMAN_OP_DISJOINT_IN, - PIXMAN_OP_DISJOINT_IN_REVERSE, - PIXMAN_OP_DISJOINT_OUT, - PIXMAN_OP_DISJOINT_OUT_REVERSE, - PIXMAN_OP_DISJOINT_ATOP, - PIXMAN_OP_DISJOINT_ATOP_REVERSE, - PIXMAN_OP_DISJOINT_XOR, - PIXMAN_OP_CONJOINT_CLEAR, - PIXMAN_OP_CONJOINT_SRC, - PIXMAN_OP_CONJOINT_DST, - PIXMAN_OP_CONJOINT_OVER, - PIXMAN_OP_CONJOINT_OVER_REVERSE, - PIXMAN_OP_CONJOINT_IN, - PIXMAN_OP_CONJOINT_IN_REVERSE, - PIXMAN_OP_CONJOINT_OUT, - PIXMAN_OP_CONJOINT_OUT_REVERSE, - PIXMAN_OP_CONJOINT_ATOP, - PIXMAN_OP_CONJOINT_ATOP_REVERSE, - PIXMAN_OP_CONJOINT_XOR, - PIXMAN_OP_MULTIPLY, - PIXMAN_OP_SCREEN, - PIXMAN_OP_OVERLAY, - PIXMAN_OP_DARKEN, - PIXMAN_OP_LIGHTEN, - PIXMAN_OP_COLOR_DODGE, - PIXMAN_OP_COLOR_BURN, - PIXMAN_OP_HARD_LIGHT, - PIXMAN_OP_DIFFERENCE, - PIXMAN_OP_EXCLUSION, -#if 0 /* these use floating point math and are not always bitexact on different platforms */ - PIXMAN_OP_SOFT_LIGHT, - PIXMAN_OP_HSL_HUE, - PIXMAN_OP_HSL_SATURATION, - PIXMAN_OP_HSL_COLOR, - PIXMAN_OP_HSL_LUMINOSITY, -#endif -}; - -static pixman_format_code_t img_fmt_list[] = { - PIXMAN_a8r8g8b8, - PIXMAN_x8r8g8b8, - PIXMAN_r5g6b5, - PIXMAN_r3g3b2, - PIXMAN_a8, - PIXMAN_a8b8g8r8, - PIXMAN_x8b8g8r8, - PIXMAN_b8g8r8a8, - PIXMAN_b8g8r8x8, - PIXMAN_r8g8b8, - PIXMAN_b8g8r8, - PIXMAN_r5g6b5, - PIXMAN_b5g6r5, - PIXMAN_x2r10g10b10, - PIXMAN_a2r10g10b10, - PIXMAN_x2b10g10r10, - PIXMAN_a2b10g10r10, - PIXMAN_a1r5g5b5, - PIXMAN_x1r5g5b5, - PIXMAN_a1b5g5r5, - PIXMAN_x1b5g5r5, - PIXMAN_a4r4g4b4, - PIXMAN_x4r4g4b4, - PIXMAN_a4b4g4r4, - PIXMAN_x4b4g4r4, - PIXMAN_a8, - PIXMAN_r3g3b2, - PIXMAN_b2g3r3, - PIXMAN_a2r2g2b2, - PIXMAN_a2b2g2r2, - PIXMAN_c8, - PIXMAN_g8, - PIXMAN_x4c4, - PIXMAN_x4g4, - PIXMAN_c4, - PIXMAN_g4, - PIXMAN_g1, - PIXMAN_x4a4, - PIXMAN_a4, - PIXMAN_r1g2b1, - PIXMAN_b1g2r1, - PIXMAN_a1r1g1b1, - PIXMAN_a1b1g1r1, - PIXMAN_a1, - -1 -}; - -static pixman_format_code_t mask_fmt_list[] = { - PIXMAN_a8r8g8b8, - PIXMAN_a8, - PIXMAN_a4, - PIXMAN_a1, - -1 -}; - - -/* - * Composite operation with pseudorandom images - */ -uint32_t -test_composite (uint32_t initcrc, int testnum, int verbose) -{ - int i; - pixman_image_t *src_img = NULL; - pixman_image_t *dst_img = NULL; - pixman_image_t *mask_img = NULL; - int src_width, src_height; - int dst_width, dst_height; - int src_stride, dst_stride; - int src_x, src_y; - int dst_x, dst_y; - int mask_x, mask_y; - int w, h; - int op; - pixman_format_code_t src_fmt, dst_fmt, mask_fmt; - uint32_t *dstbuf, *srcbuf, *maskbuf; - uint32_t crc32; - int max_width, max_height, max_extra_stride; - - max_width = max_height = 24 + testnum / 10000; - max_extra_stride = 4 + testnum / 1000000; - - if (max_width > 256) - max_width = 256; - - if (max_height > 16) - max_height = 16; - - if (max_extra_stride > 8) - max_extra_stride = 8; - - lcg_srand (testnum); - - op = op_list[lcg_rand_n (sizeof (op_list) / sizeof (op_list[0]))]; - - if (lcg_rand_n (8)) - { - /* normal image */ - src_img = create_random_image (img_fmt_list, max_width, max_height, - max_extra_stride, &src_fmt); - } - else - { - /* solid case */ - src_img = create_random_image (img_fmt_list, 1, 1, - max_extra_stride, &src_fmt); - - pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL); - } - - dst_img = create_random_image (img_fmt_list, max_width, max_height, - max_extra_stride, &dst_fmt); - - src_width = pixman_image_get_width (src_img); - src_height = pixman_image_get_height (src_img); - src_stride = pixman_image_get_stride (src_img); - - dst_width = pixman_image_get_width (dst_img); - dst_height = pixman_image_get_height (dst_img); - dst_stride = pixman_image_get_stride (dst_img); - - dstbuf = pixman_image_get_data (dst_img); - srcbuf = pixman_image_get_data (src_img); - - src_x = lcg_rand_n (src_width); - src_y = lcg_rand_n (src_height); - dst_x = lcg_rand_n (dst_width); - dst_y = lcg_rand_n (dst_height); - - mask_img = NULL; - mask_fmt = -1; - mask_x = 0; - mask_y = 0; - maskbuf = NULL; - - if ((src_fmt == PIXMAN_x8r8g8b8 || src_fmt == PIXMAN_x8b8g8r8) && - (lcg_rand_n (4) == 0)) - { - /* PIXBUF */ - mask_fmt = lcg_rand_n (2) ? PIXMAN_a8r8g8b8 : PIXMAN_a8b8g8r8; - mask_img = pixman_image_create_bits (mask_fmt, - src_width, - src_height, - srcbuf, - src_stride); - mask_x = src_x; - mask_y = src_y; - maskbuf = srcbuf; - } - else if (lcg_rand_n (2)) - { - if (lcg_rand_n (2)) - { - mask_img = create_random_image (mask_fmt_list, max_width, max_height, - max_extra_stride, &mask_fmt); - } - else - { - /* solid case */ - mask_img = create_random_image (mask_fmt_list, 1, 1, - max_extra_stride, &mask_fmt); - pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL); - } - - if (lcg_rand_n (2)) - pixman_image_set_component_alpha (mask_img, 1); - - mask_x = lcg_rand_n (pixman_image_get_width (mask_img)); - mask_y = lcg_rand_n (pixman_image_get_height (mask_img)); - } - - - w = lcg_rand_n (dst_width - dst_x + 1); - h = lcg_rand_n (dst_height - dst_y + 1); - - if (verbose) - { - printf ("op=%d, src_fmt=%08X, dst_fmt=%08X, mask_fmt=%08X\n", - op, src_fmt, dst_fmt, mask_fmt); - printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n", - src_width, src_height, dst_width, dst_height); - printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n", - src_x, src_y, dst_x, dst_y); - printf ("src_stride=%d, dst_stride=%d\n", - src_stride, dst_stride); - printf ("w=%d, h=%d\n", w, h); - } - - pixman_image_composite (op, src_img, mask_img, dst_img, - src_x, src_y, mask_x, mask_y, dst_x, dst_y, w, h); - - if (verbose) - { - int j; - - printf ("---\n"); - for (i = 0; i < dst_height; i++) - { - for (j = 0; j < dst_stride; j++) - { - if (j == (dst_width * PIXMAN_FORMAT_BPP (dst_fmt) + 7) / 8) - printf ("| "); - - printf ("%02X ", *((uint8_t *)dstbuf + i * dst_stride + j)); - } - printf ("\n"); - } - printf ("---\n"); - } - - free_random_image (initcrc, src_img, -1); - crc32 = free_random_image (initcrc, dst_img, dst_fmt); - - if (mask_img) - { - if (srcbuf == maskbuf) - pixman_image_unref(mask_img); - else - free_random_image (initcrc, mask_img, -1); - } - - - return crc32; -} - -static void -initialize_palette (void) -{ - int i; - - for (i = 0; i < PIXMAN_MAX_INDEXED; ++i) - palette.rgba[i] = lcg_rand (); - - for (i = 0; i < 32768; ++i) - palette.ent[i] = lcg_rand() & 0xff; -} - -int -main (int argc, char *argv[]) -{ - int i, n1 = 1, n2 = 0; - uint32_t crc = 0; - int verbose = getenv ("VERBOSE") != NULL; - - initialize_palette(); - - if (argc >= 3) - { - n1 = atoi (argv[1]); - n2 = atoi (argv[2]); - } - else if (argc >= 2) - { - n2 = atoi (argv[1]); - } - else - { - n1 = 1; - n2 = 2000000; - } - - if (n2 < 0) - { - crc = test_composite (0, abs (n2), 1); - printf ("crc32=%08X\n", crc); - } - else - { - for (i = n1; i <= n2; i++) - { - crc = test_composite (crc, i, 0); - - if (verbose) - printf ("%d: %08X\n", i, crc); - } - printf ("crc32=%08X\n", crc); - - if (n2 == 2000000) - { - /* Predefined value for running with all the fastpath functions - disabled. It needs to be updated every time when changes are - introduced to this program or behavior of pixman changes! */ - if (crc == 0x8F9F7DC1) - { - printf ("blitters test passed\n"); - } - else - { - printf ("blitters test failed!\n"); - return 1; - } - } - } - return 0; -} +/*
+ * Test program, which stresses the use of different color formats and
+ * compositing operations.
+ *
+ * Script 'fuzzer-find-diff.pl' can be used to narrow down the problem in
+ * the case of test failure.
+ */
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <config.h>
+#include "utils.h"
+
+static pixman_indexed_t rgb_palette[9];
+static pixman_indexed_t y_palette[9];
+
+static void *
+aligned_malloc (size_t align, size_t size)
+{
+ void *result;
+
+#ifdef HAVE_POSIX_MEMALIGN
+ if (posix_memalign (&result, align, size) != 0)
+ result = NULL;
+#else
+ result = malloc (size);
+#endif
+
+ return result;
+}
+
+/* Create random image for testing purposes */
+static pixman_image_t *
+create_random_image (pixman_format_code_t *allowed_formats,
+ int max_width,
+ int max_height,
+ int max_extra_stride,
+ pixman_format_code_t *used_fmt)
+{
+ int n = 0, i, width, height, stride;
+ pixman_format_code_t fmt;
+ uint32_t *buf;
+ pixman_image_t *img;
+
+ while (allowed_formats[n] != -1)
+ n++;
+ fmt = allowed_formats[lcg_rand_n (n)];
+
+ width = lcg_rand_n (max_width) + 1;
+ height = lcg_rand_n (max_height) + 1;
+ stride = (width * PIXMAN_FORMAT_BPP (fmt) + 7) / 8 +
+ lcg_rand_n (max_extra_stride + 1);
+ stride = (stride + 3) & ~3;
+
+ /* do the allocation */
+ buf = aligned_malloc (64, stride * height);
+
+ /* initialize image with random data */
+ for (i = 0; i < stride * height; i++)
+ {
+ /* generation is biased to having more 0 or 255 bytes as
+ * they are more likely to be special-cased in code
+ */
+ *((uint8_t *)buf + i) = lcg_rand_n (4) ? lcg_rand_n (256) :
+ (lcg_rand_n (2) ? 0 : 255);
+ }
+
+ img = pixman_image_create_bits (fmt, width, height, buf, stride);
+
+ if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR)
+ {
+ pixman_image_set_indexed (img, &(rgb_palette[PIXMAN_FORMAT_BPP (fmt)]));
+ }
+ else if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_GRAY)
+ {
+ pixman_image_set_indexed (img, &(y_palette[PIXMAN_FORMAT_BPP (fmt)]));
+ }
+
+ image_endian_swap (img, PIXMAN_FORMAT_BPP (fmt));
+
+ if (used_fmt) *used_fmt = fmt;
+ return img;
+}
+
+/* Free random image, and optionally update crc32 based on its data */
+static uint32_t
+free_random_image (uint32_t initcrc,
+ pixman_image_t *img,
+ pixman_format_code_t fmt)
+{
+ uint32_t crc32 = 0;
+ int stride = pixman_image_get_stride (img);
+ uint32_t *data = pixman_image_get_data (img);
+ int height = pixman_image_get_height (img);
+
+ if (fmt != -1)
+ {
+ /* mask unused 'x' part */
+ if (PIXMAN_FORMAT_BPP (fmt) - PIXMAN_FORMAT_DEPTH (fmt) &&
+ PIXMAN_FORMAT_DEPTH (fmt) != 0)
+ {
+ int i;
+ uint32_t *data = pixman_image_get_data (img);
+ uint32_t mask = (1 << PIXMAN_FORMAT_DEPTH (fmt)) - 1;
+
+ if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_BGRA)
+ mask <<= (PIXMAN_FORMAT_BPP (fmt) - PIXMAN_FORMAT_DEPTH (fmt));
+
+ for (i = 0; i < 32; i++)
+ mask |= mask << (i * PIXMAN_FORMAT_BPP (fmt));
+
+ for (i = 0; i < stride * height / 4; i++)
+ data[i] &= mask;
+ }
+
+ /* swap endiannes in order to provide identical results on both big
+ * and litte endian systems
+ */
+ image_endian_swap (img, PIXMAN_FORMAT_BPP (fmt));
+ crc32 = compute_crc32 (initcrc, data, stride * height);
+ }
+
+ pixman_image_unref (img);
+ free (data);
+
+ return crc32;
+}
+
+static pixman_op_t op_list[] = {
+ PIXMAN_OP_SRC,
+ PIXMAN_OP_OVER,
+ PIXMAN_OP_ADD,
+ PIXMAN_OP_CLEAR,
+ PIXMAN_OP_SRC,
+ PIXMAN_OP_DST,
+ PIXMAN_OP_OVER,
+ PIXMAN_OP_OVER_REVERSE,
+ PIXMAN_OP_IN,
+ PIXMAN_OP_IN_REVERSE,
+ PIXMAN_OP_OUT,
+ PIXMAN_OP_OUT_REVERSE,
+ PIXMAN_OP_ATOP,
+ PIXMAN_OP_ATOP_REVERSE,
+ PIXMAN_OP_XOR,
+ PIXMAN_OP_ADD,
+ PIXMAN_OP_SATURATE,
+ PIXMAN_OP_DISJOINT_CLEAR,
+ PIXMAN_OP_DISJOINT_SRC,
+ PIXMAN_OP_DISJOINT_DST,
+ PIXMAN_OP_DISJOINT_OVER,
+ PIXMAN_OP_DISJOINT_OVER_REVERSE,
+ PIXMAN_OP_DISJOINT_IN,
+ PIXMAN_OP_DISJOINT_IN_REVERSE,
+ PIXMAN_OP_DISJOINT_OUT,
+ PIXMAN_OP_DISJOINT_OUT_REVERSE,
+ PIXMAN_OP_DISJOINT_ATOP,
+ PIXMAN_OP_DISJOINT_ATOP_REVERSE,
+ PIXMAN_OP_DISJOINT_XOR,
+ PIXMAN_OP_CONJOINT_CLEAR,
+ PIXMAN_OP_CONJOINT_SRC,
+ PIXMAN_OP_CONJOINT_DST,
+ PIXMAN_OP_CONJOINT_OVER,
+ PIXMAN_OP_CONJOINT_OVER_REVERSE,
+ PIXMAN_OP_CONJOINT_IN,
+ PIXMAN_OP_CONJOINT_IN_REVERSE,
+ PIXMAN_OP_CONJOINT_OUT,
+ PIXMAN_OP_CONJOINT_OUT_REVERSE,
+ PIXMAN_OP_CONJOINT_ATOP,
+ PIXMAN_OP_CONJOINT_ATOP_REVERSE,
+ PIXMAN_OP_CONJOINT_XOR,
+ PIXMAN_OP_MULTIPLY,
+ PIXMAN_OP_SCREEN,
+ PIXMAN_OP_OVERLAY,
+ PIXMAN_OP_DARKEN,
+ PIXMAN_OP_LIGHTEN,
+ PIXMAN_OP_COLOR_DODGE,
+ PIXMAN_OP_COLOR_BURN,
+ PIXMAN_OP_HARD_LIGHT,
+ PIXMAN_OP_DIFFERENCE,
+ PIXMAN_OP_EXCLUSION,
+#if 0 /* these use floating point math and are not always bitexact on different platforms */
+ PIXMAN_OP_SOFT_LIGHT,
+ PIXMAN_OP_HSL_HUE,
+ PIXMAN_OP_HSL_SATURATION,
+ PIXMAN_OP_HSL_COLOR,
+ PIXMAN_OP_HSL_LUMINOSITY,
+#endif
+};
+
+static pixman_format_code_t img_fmt_list[] = {
+ PIXMAN_a8r8g8b8,
+ PIXMAN_x8r8g8b8,
+ PIXMAN_r5g6b5,
+ PIXMAN_r3g3b2,
+ PIXMAN_a8,
+ PIXMAN_a8b8g8r8,
+ PIXMAN_x8b8g8r8,
+ PIXMAN_b8g8r8a8,
+ PIXMAN_b8g8r8x8,
+ PIXMAN_x14r6g6b6,
+ PIXMAN_r8g8b8,
+ PIXMAN_b8g8r8,
+ PIXMAN_r5g6b5,
+ PIXMAN_b5g6r5,
+ PIXMAN_x2r10g10b10,
+ PIXMAN_a2r10g10b10,
+ PIXMAN_x2b10g10r10,
+ PIXMAN_a2b10g10r10,
+ PIXMAN_a1r5g5b5,
+ PIXMAN_x1r5g5b5,
+ PIXMAN_a1b5g5r5,
+ PIXMAN_x1b5g5r5,
+ PIXMAN_a4r4g4b4,
+ PIXMAN_x4r4g4b4,
+ PIXMAN_a4b4g4r4,
+ PIXMAN_x4b4g4r4,
+ PIXMAN_a8,
+ PIXMAN_r3g3b2,
+ PIXMAN_b2g3r3,
+ PIXMAN_a2r2g2b2,
+ PIXMAN_a2b2g2r2,
+ PIXMAN_c8,
+ PIXMAN_g8,
+ PIXMAN_x4c4,
+ PIXMAN_x4g4,
+ PIXMAN_c4,
+ PIXMAN_g4,
+ PIXMAN_g1,
+ PIXMAN_x4a4,
+ PIXMAN_a4,
+ PIXMAN_r1g2b1,
+ PIXMAN_b1g2r1,
+ PIXMAN_a1r1g1b1,
+ PIXMAN_a1b1g1r1,
+ PIXMAN_a1,
+ -1
+};
+
+static pixman_format_code_t mask_fmt_list[] = {
+ PIXMAN_a8r8g8b8,
+ PIXMAN_a8,
+ PIXMAN_a4,
+ PIXMAN_a1,
+ -1
+};
+
+
+/*
+ * Composite operation with pseudorandom images
+ */
+uint32_t
+test_composite (int testnum, int verbose)
+{
+ int i;
+ pixman_image_t *src_img = NULL;
+ pixman_image_t *dst_img = NULL;
+ pixman_image_t *mask_img = NULL;
+ int src_width, src_height;
+ int dst_width, dst_height;
+ int src_stride, dst_stride;
+ int src_x, src_y;
+ int dst_x, dst_y;
+ int mask_x, mask_y;
+ int w, h;
+ int op;
+ pixman_format_code_t src_fmt, dst_fmt, mask_fmt;
+ uint32_t *dstbuf, *srcbuf, *maskbuf;
+ uint32_t crc32;
+ int max_width, max_height, max_extra_stride;
+
+ max_width = max_height = 24 + testnum / 10000;
+ max_extra_stride = 4 + testnum / 1000000;
+
+ if (max_width > 256)
+ max_width = 256;
+
+ if (max_height > 16)
+ max_height = 16;
+
+ if (max_extra_stride > 8)
+ max_extra_stride = 8;
+
+ lcg_srand (testnum);
+
+ op = op_list[lcg_rand_n (sizeof (op_list) / sizeof (op_list[0]))];
+
+ if (lcg_rand_n (8))
+ {
+ /* normal image */
+ src_img = create_random_image (img_fmt_list, max_width, max_height,
+ max_extra_stride, &src_fmt);
+ }
+ else
+ {
+ /* solid case */
+ src_img = create_random_image (img_fmt_list, 1, 1,
+ max_extra_stride, &src_fmt);
+
+ pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL);
+ }
+
+ dst_img = create_random_image (img_fmt_list, max_width, max_height,
+ max_extra_stride, &dst_fmt);
+
+ src_width = pixman_image_get_width (src_img);
+ src_height = pixman_image_get_height (src_img);
+ src_stride = pixman_image_get_stride (src_img);
+
+ dst_width = pixman_image_get_width (dst_img);
+ dst_height = pixman_image_get_height (dst_img);
+ dst_stride = pixman_image_get_stride (dst_img);
+
+ dstbuf = pixman_image_get_data (dst_img);
+ srcbuf = pixman_image_get_data (src_img);
+
+ src_x = lcg_rand_n (src_width);
+ src_y = lcg_rand_n (src_height);
+ dst_x = lcg_rand_n (dst_width);
+ dst_y = lcg_rand_n (dst_height);
+
+ mask_img = NULL;
+ mask_fmt = -1;
+ mask_x = 0;
+ mask_y = 0;
+ maskbuf = NULL;
+
+ if ((src_fmt == PIXMAN_x8r8g8b8 || src_fmt == PIXMAN_x8b8g8r8) &&
+ (lcg_rand_n (4) == 0))
+ {
+ /* PIXBUF */
+ mask_fmt = lcg_rand_n (2) ? PIXMAN_a8r8g8b8 : PIXMAN_a8b8g8r8;
+ mask_img = pixman_image_create_bits (mask_fmt,
+ src_width,
+ src_height,
+ srcbuf,
+ src_stride);
+ mask_x = src_x;
+ mask_y = src_y;
+ maskbuf = srcbuf;
+ }
+ else if (lcg_rand_n (2))
+ {
+ if (lcg_rand_n (2))
+ {
+ mask_img = create_random_image (mask_fmt_list, max_width, max_height,
+ max_extra_stride, &mask_fmt);
+ }
+ else
+ {
+ /* solid case */
+ mask_img = create_random_image (mask_fmt_list, 1, 1,
+ max_extra_stride, &mask_fmt);
+ pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL);
+ }
+
+ if (lcg_rand_n (2))
+ pixman_image_set_component_alpha (mask_img, 1);
+
+ mask_x = lcg_rand_n (pixman_image_get_width (mask_img));
+ mask_y = lcg_rand_n (pixman_image_get_height (mask_img));
+ }
+
+
+ w = lcg_rand_n (dst_width - dst_x + 1);
+ h = lcg_rand_n (dst_height - dst_y + 1);
+
+ if (verbose)
+ {
+ printf ("op=%d, src_fmt=%08X, dst_fmt=%08X, mask_fmt=%08X\n",
+ op, src_fmt, dst_fmt, mask_fmt);
+ printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n",
+ src_width, src_height, dst_width, dst_height);
+ printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n",
+ src_x, src_y, dst_x, dst_y);
+ printf ("src_stride=%d, dst_stride=%d\n",
+ src_stride, dst_stride);
+ printf ("w=%d, h=%d\n", w, h);
+ }
+
+ pixman_image_composite (op, src_img, mask_img, dst_img,
+ src_x, src_y, mask_x, mask_y, dst_x, dst_y, w, h);
+
+ if (verbose)
+ {
+ int j;
+
+ printf ("---\n");
+ for (i = 0; i < dst_height; i++)
+ {
+ for (j = 0; j < dst_stride; j++)
+ {
+ if (j == (dst_width * PIXMAN_FORMAT_BPP (dst_fmt) + 7) / 8)
+ printf ("| ");
+
+ printf ("%02X ", *((uint8_t *)dstbuf + i * dst_stride + j));
+ }
+ printf ("\n");
+ }
+ printf ("---\n");
+ }
+
+ free_random_image (0, src_img, -1);
+ crc32 = free_random_image (0, dst_img, dst_fmt);
+
+ if (mask_img)
+ {
+ if (srcbuf == maskbuf)
+ pixman_image_unref(mask_img);
+ else
+ free_random_image (0, mask_img, -1);
+ }
+
+
+ return crc32;
+}
+
+#define CONVERT_15(c, is_rgb) \
+ (is_rgb? \
+ ((((c) >> 3) & 0x001f) | \
+ (((c) >> 6) & 0x03e0) | \
+ (((c) >> 9) & 0x7c00)) : \
+ (((((c) >> 16) & 0xff) * 153 + \
+ (((c) >> 8) & 0xff) * 301 + \
+ (((c) ) & 0xff) * 58) >> 2))
+
+static void
+initialize_palette (pixman_indexed_t *palette, uint32_t mask, int is_rgb)
+{
+ int i;
+
+ for (i = 0; i < 32768; ++i)
+ palette->ent[i] = lcg_rand() & mask;
+
+ for (i = 0; i < mask + 1; ++i)
+ {
+ uint32_t rgba24;
+ pixman_bool_t retry;
+ uint32_t i15;
+
+ /* We filled the rgb->index map with random numbers, but we
+ * do need the ability to round trip, that is if some indexed
+ * color expands to an argb24, then the 15 bit version of that
+ * color must map back to the index. Anything else, we don't
+ * care about too much.
+ */
+ do
+ {
+ uint32_t old_idx;
+
+ rgba24 = lcg_rand();
+ i15 = CONVERT_15 (rgba24, is_rgb);
+
+ old_idx = palette->ent[i15];
+ if (CONVERT_15 (palette->rgba[old_idx], is_rgb) == i15)
+ retry = 1;
+ else
+ retry = 0;
+ } while (retry);
+
+ palette->rgba[i] = rgba24;
+ palette->ent[i15] = i;
+ }
+
+ for (i = 0; i < mask + 1; ++i)
+ {
+ assert (palette->ent[CONVERT_15 (palette->rgba[i], is_rgb)] == i);
+ }
+}
+
+int
+main (int argc, const char *argv[])
+{
+ int i;
+
+ for (i = 1; i <= 8; i++)
+ {
+ initialize_palette (&(rgb_palette[i]), (1 << i) - 1, TRUE);
+ initialize_palette (&(y_palette[i]), (1 << i) - 1, FALSE);
+ }
+
+ return fuzzer_test_main("blitters", 2000000,
+ 0x217CF14A,
+ test_composite, argc, argv);
+}
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