--- /dev/null
+/*
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include "utils.h"
+
+static pixman_indexed_t rgb_palette[9];
+static pixman_indexed_t y_palette[9];
+
+/* The first eight format in the list are by far the most widely
+ * used formats, so we test those more than the others
+ */
+#define N_MOST_LIKELY_FORMATS 8
+
+/* 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, width, height, stride;
+ pixman_format_code_t fmt;
+ uint32_t *buf;
+ pixman_image_t *img;
+
+ while (allowed_formats[n] != PIXMAN_null)
+ n++;
+
+ if (n > N_MOST_LIKELY_FORMATS && prng_rand_n (4) != 0)
+ n = N_MOST_LIKELY_FORMATS;
+ fmt = allowed_formats[prng_rand_n (n)];
+
+ width = prng_rand_n (max_width) + 1;
+ height = prng_rand_n (max_height) + 1;
+ stride = (width * PIXMAN_FORMAT_BPP (fmt) + 7) / 8 +
+ prng_rand_n (max_extra_stride + 1);
+ stride = (stride + 3) & ~3;
+
+ /* do the allocation */
+ buf = aligned_malloc (64, stride * height);
+
+ if (prng_rand_n (4) == 0)
+ {
+ /* uniform distribution */
+ prng_randmemset (buf, stride * height, 0);
+ }
+ else
+ {
+ /* significantly increased probability for 0x00 and 0xFF */
+ prng_randmemset (buf, stride * height, RANDMEMSET_MORE_00_AND_FF);
+ }
+
+ /* test negative stride */
+ if (prng_rand_n (4) == 0)
+ {
+ buf += (stride / 4) * (height - 1);
+ stride = - stride;
+ }
+
+ 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)]));
+ }
+
+ if (prng_rand_n (16) == 0)
+ pixman_image_set_filter (img, PIXMAN_FILTER_BILINEAR, NULL, 0);
+
+ image_endian_swap (img);
+
+ 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;
+ uint32_t *data = pixman_image_get_data (img);
+
+ if (fmt != PIXMAN_null)
+ crc32 = compute_crc32_for_image (initcrc, img);
+
+ if (img->bits.rowstride < 0)
+ data += img->bits.rowstride * (img->bits.height - 1);
+
+ 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_a8b8g8r8,
+ PIXMAN_x8r8g8b8,
+ PIXMAN_x8b8g8r8,
+ PIXMAN_r5g6b5,
+ PIXMAN_b5g6r5,
+ PIXMAN_a8,
+ PIXMAN_a1,
+ PIXMAN_r3g3b2,
+ PIXMAN_b8g8r8a8,
+ PIXMAN_b8g8r8x8,
+ PIXMAN_r8g8b8a8,
+ PIXMAN_r8g8b8x8,
+ PIXMAN_x14r6g6b6,
+ PIXMAN_r8g8b8,
+ PIXMAN_b8g8r8,
+#if 0 /* These are going to use floating point in the near future */
+ PIXMAN_x2r10g10b10,
+ PIXMAN_a2r10g10b10,
+ PIXMAN_x2b10g10r10,
+ PIXMAN_a2b10g10r10,
+#endif
+ PIXMAN_a1r5g5b5,
+ PIXMAN_x1r5g5b5,
+ PIXMAN_a1b5g5r5,
+ PIXMAN_x1b5g5r5,
+ PIXMAN_a4r4g4b4,
+ PIXMAN_x4r4g4b4,
+ PIXMAN_a4b4g4r4,
+ PIXMAN_x4b4g4r4,
+ 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_null
+};
+
+static pixman_format_code_t mask_fmt_list[] = {
+ PIXMAN_a8r8g8b8,
+ PIXMAN_a8,
+ PIXMAN_a4,
+ PIXMAN_a1,
+ PIXMAN_null
+};
+
+
+/*
+ * Composite operation with pseudorandom images
+ */
+uint32_t
+test_composite (int testnum, int verbose)
+{
+ 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;
+ pixman_op_t op;
+ pixman_format_code_t src_fmt, dst_fmt, mask_fmt;
+ uint32_t *srcbuf, *maskbuf;
+ uint32_t crc32;
+ int max_width, max_height, max_extra_stride;
+ FLOAT_REGS_CORRUPTION_DETECTOR_START ();
+
+ 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;
+
+ prng_srand (testnum);
+
+ op = op_list[prng_rand_n (ARRAY_LENGTH (op_list))];
+
+ if (prng_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);
+
+ srcbuf = pixman_image_get_data (src_img);
+
+ src_x = prng_rand_n (src_width);
+ src_y = prng_rand_n (src_height);
+ dst_x = prng_rand_n (dst_width);
+ dst_y = prng_rand_n (dst_height);
+
+ mask_img = NULL;
+ mask_fmt = PIXMAN_null;
+ mask_x = 0;
+ mask_y = 0;
+ maskbuf = NULL;
+
+ if ((src_fmt == PIXMAN_x8r8g8b8 || src_fmt == PIXMAN_x8b8g8r8) &&
+ (prng_rand_n (4) == 0))
+ {
+ /* PIXBUF */
+ mask_fmt = prng_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 (prng_rand_n (2))
+ {
+ if (prng_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 (prng_rand_n (2))
+ pixman_image_set_component_alpha (mask_img, 1);
+
+ mask_x = prng_rand_n (pixman_image_get_width (mask_img));
+ mask_y = prng_rand_n (pixman_image_get_height (mask_img));
+ }
+
+
+ w = prng_rand_n (dst_width - dst_x + 1);
+ h = prng_rand_n (dst_height - dst_y + 1);
+
+ if (verbose)
+ {
+ printf ("op=%s\n", operator_name (op));
+ printf ("src_fmt=%s, dst_fmt=%s, mask_fmt=%s\n",
+ format_name (src_fmt), format_name (dst_fmt),
+ format_name (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)
+ print_image (dst_img);
+
+ free_random_image (0, src_img, PIXMAN_null);
+ 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, PIXMAN_null);
+ }
+
+ FLOAT_REGS_CORRUPTION_DETECTOR_FINISH ();
+ return crc32;
+}
+
+int
+main (int argc, const char *argv[])
+{
+ int i;
+
+ prng_srand (0);
+
+ for (i = 1; i <= 8; i++)
+ {
+ initialize_palette (&(rgb_palette[i]), i, TRUE);
+ initialize_palette (&(y_palette[i]), i, FALSE);
+ }
+
+ return fuzzer_test_main("blitters", 2000000,
+ 0xE0A07495,
+ test_composite, argc, argv);
+}
Code Review / kvmfornfv.git / blobdiff