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IABSD.fr/xenocara/lib/pixman/test/blitters-test.c
matthieu
- lib/pixman/test/blitters-test.c
-
/* * 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_MULTIPLY, PIXMAN_OP_SCREEN, PIXMAN_OP_OVERLAY, PIXMAN_OP_DARKEN, PIXMAN_OP_LIGHTEN, 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_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_COLOR_DODGE, PIXMAN_OP_COLOR_BURN, 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, 0xCC21DDF0, test_composite, argc, argv); }