diff options
Diffstat (limited to 'pixman/test/scaling-test.c')
| -rw-r--r-- | pixman/test/scaling-test.c | 207 |
1 files changed, 12 insertions, 195 deletions
diff --git a/pixman/test/scaling-test.c b/pixman/test/scaling-test.c index 8899c594f..29772906d 100644 --- a/pixman/test/scaling-test.c +++ b/pixman/test/scaling-test.c @@ -23,198 +23,7 @@ #include <assert.h> #include <stdlib.h> #include <stdio.h> -#include "pixman.h" - -/* A primitive pseudorandom number generator, taken from POSIX.1-2001 example */ - -static uint32_t lcg_seed; - -uint32_t -lcg_rand (void) -{ - lcg_seed = lcg_seed * 1103515245 + 12345; - return ((uint32_t)(lcg_seed / 65536) % 32768); -} - -void -lcg_srand (uint32_t seed) -{ - lcg_seed = seed; -} - -uint32_t -lcg_rand_n (int max) -{ - return lcg_rand () % max; -} - -/*----------------------------------------------------------------------------*\ -* CRC-32 version 2.0.0 by Craig Bruce, 2006-04-29. -* -* This program generates the CRC-32 values for the files named in the -* command-line arguments. These are the same CRC-32 values used by GZIP, -* PKZIP, and ZMODEM. The compute_crc32() can also be detached and -* used independently. -* -* THIS PROGRAM IS PUBLIC-DOMAIN SOFTWARE. -* -* Based on the byte-oriented implementation "File Verification Using CRC" -* by Mark R. Nelson in Dr. Dobb's Journal, May 1992, pp. 64-67. -* -* v1.0.0: original release. -* v1.0.1: fixed printf formats. -* v1.0.2: fixed something else. -* v1.0.3: replaced CRC constant table by generator function. -* v1.0.4: reformatted code, made ANSI C. 1994-12-05. -* v2.0.0: rewrote to use memory buffer & static table, 2006-04-29. -\*----------------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------*\ -* NAME: -* compute_crc32() - computes the CRC-32 value of a memory buffer -* DESCRIPTION: -* Computes or accumulates the CRC-32 value for a memory buffer. -* The 'in_crc32' gives a previously accumulated CRC-32 value to allow -* a CRC to be generated for multiple sequential buffer-fuls of data. -* The 'in_crc32' for the first buffer must be zero. -* ARGUMENTS: -* in_crc32 - accumulated CRC-32 value, must be 0 on first call -* buf - buffer to compute CRC-32 value for -* buf_len - number of bytes in buffer -* RETURNS: -* crc32 - computed CRC-32 value -* ERRORS: -* (no errors are possible) -\*----------------------------------------------------------------------------*/ - -static uint32_t -compute_crc32 (uint32_t in_crc32, - const void *buf, - size_t buf_len) -{ - static const uint32_t crc_table[256] = { - 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, - 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, - 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2, - 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, - 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, - 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, - 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C, - 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, - 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, - 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, - 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106, - 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, - 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, - 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, - 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950, - 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, - 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, - 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, - 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA, - 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, - 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, - 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, - 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84, - 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, - 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, - 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, - 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E, - 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, - 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, - 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, - 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, - 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, - 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, - 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, - 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242, - 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, - 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, - 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, - 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, - 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, - 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, - 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, - 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D - }; - - uint32_t crc32; - unsigned char * byte_buf; - size_t i; - - /** accumulate crc32 for buffer **/ - crc32 = in_crc32 ^ 0xFFFFFFFF; - byte_buf = (unsigned char*) buf; - - for (i = 0; i < buf_len; i++) - crc32 = (crc32 >> 8) ^ crc_table[(crc32 ^ byte_buf[i]) & 0xFF]; - - return (crc32 ^ 0xFFFFFFFF); -} - -/* perform endian conversion of pixel data */ -static void -image_endian_swap (pixman_image_t *img, - int bpp) -{ - int stride = pixman_image_get_stride (img); - uint32_t *data = pixman_image_get_data (img); - int height = pixman_image_get_height (img); - int i, j; - - /* swap bytes only on big endian systems */ - volatile uint16_t endian_check_var = 0x1234; - if (*(volatile uint8_t *)&endian_check_var != 0x12) - return; - - for (i = 0; i < height; i++) - { - char *line_data = (char *)data + stride * i; - - /* swap bytes only for 16, 24 and 32 bpp for now */ - switch (bpp) - { - case 16: - for (j = 0; j + 2 <= stride; j += 2) - { - char t1 = line_data[j + 0]; - char t2 = line_data[j + 1]; - line_data[j + 1] = t1; - line_data[j + 0] = t2; - } - break; - - case 24: - for (j = 0; j + 3 <= stride; j += 3) - { - char t1 = line_data[j + 0]; - char t2 = line_data[j + 1]; - char t3 = line_data[j + 2]; - line_data[j + 2] = t1; - line_data[j + 1] = t2; - line_data[j + 0] = t3; - } - break; - - case 32: - for (j = 0; j + 4 <= stride; j += 4) - { - char t1 = line_data[j + 0]; - char t2 = line_data[j + 1]; - char t3 = line_data[j + 2]; - char t4 = line_data[j + 3]; - line_data[j + 3] = t1; - line_data[j + 2] = t2; - line_data[j + 1] = t3; - line_data[j + 0] = t4; - } - break; - - default: - break; - } - } -} +#include "utils.h" #define MAX_SRC_WIDTH 10 #define MAX_SRC_HEIGHT 10 @@ -266,7 +75,7 @@ test_composite (uint32_t initcrc, if (src_stride & 3) src_stride += 2; - + if (dst_stride & 3) dst_stride += 2; @@ -326,9 +135,17 @@ test_composite (uint32_t initcrc, case 3: repeat = PIXMAN_REPEAT_REFLECT; break; + + default: + break; } pixman_image_set_repeat (src_img, repeat); + if (lcg_rand_n (2)) + pixman_image_set_filter (src_img, PIXMAN_FILTER_NEAREST, NULL, 0); + else + pixman_image_set_filter (src_img, PIXMAN_FILTER_BILINEAR, NULL, 0); + if (verbose) { printf ("src_fmt=%08X, dst_fmt=%08X\n", src_fmt, dst_fmt); @@ -362,7 +179,7 @@ test_composite (uint32_t initcrc, clip_boxes[i].x2, clip_boxes[i].y2); } } - + pixman_region_init_rects (&clip, clip_boxes, n); pixman_image_set_clip_region (src_img, &clip); pixman_image_set_source_clipping (src_img, 1); @@ -458,7 +275,7 @@ main (int argc, char *argv[]) /* predefined value for running with all the fastpath functions disabled */ /* it needs to be updated every time changes are introduced to this program! */ - if (crc == 0x0B633CF4) + if (crc == 0x2168ACD1) { printf ("scaling test passed\n"); } |