diff options
Diffstat (limited to 'libs/pixman-0.40.0/test/utils.h')
| -rw-r--r-- | libs/pixman-0.40.0/test/utils.h | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/libs/pixman-0.40.0/test/utils.h b/libs/pixman-0.40.0/test/utils.h deleted file mode 100644 index 701417f..0000000 --- a/libs/pixman-0.40.0/test/utils.h +++ /dev/null @@ -1,295 +0,0 @@ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <assert.h> -#include "pixman-private.h" /* For 'inline' definition */ -#include "utils-prng.h" - -#if defined(_MSC_VER) -#define snprintf _snprintf -#define strcasecmp _stricmp -#endif - -#define ARRAY_LENGTH(A) ((int) (sizeof (A) / sizeof ((A) [0]))) - -/* A primitive pseudorandom number generator, - * taken from POSIX.1-2001 example - */ - -extern prng_t prng_state_data; -extern prng_t *prng_state; -#ifdef USE_OPENMP -#pragma omp threadprivate(prng_state_data) -#pragma omp threadprivate(prng_state) -#endif - -static inline uint32_t -prng_rand (void) -{ - return prng_rand_r (prng_state); -} - -static inline void -prng_srand (uint32_t seed) -{ - if (!prng_state) - { - /* Without setting a seed, PRNG does not work properly (is just - * returning zeros). So we only initialize the pointer here to - * make sure that 'prng_srand' is always called before any - * other 'prng_*' function. The wrongdoers violating this order - * will get a segfault. */ - prng_state = &prng_state_data; - } - prng_srand_r (prng_state, seed); -} - -static inline uint32_t -prng_rand_n (int max) -{ - return prng_rand () % max; -} - -static inline void -prng_randmemset (void *buffer, size_t size, prng_randmemset_flags_t flags) -{ - prng_randmemset_r (prng_state, buffer, size, flags); -} - -/* CRC 32 computation - */ -uint32_t -compute_crc32 (uint32_t in_crc32, - const void *buf, - size_t buf_len); - -uint32_t -compute_crc32_for_image (uint32_t in_crc32, - pixman_image_t *image); - -/* Print the image in hexadecimal */ -void -print_image (pixman_image_t *image); - -/* Returns TRUE if running on a little endian system - */ -static force_inline pixman_bool_t -is_little_endian (void) -{ - unsigned long endian_check_var = 1; - return *(unsigned char *)&endian_check_var == 1; -} - -/* perform endian conversion of pixel data - */ -void -image_endian_swap (pixman_image_t *img); - -#if defined (HAVE_MPROTECT) && defined (HAVE_GETPAGESIZE) && \ - defined (HAVE_SYS_MMAN_H) && defined (HAVE_MMAP) -/* fence_malloc and friends have working fence implementation. - * Without this, fence_malloc still allocs but does not catch - * out-of-bounds accesses. - */ -#define FENCE_MALLOC_ACTIVE 1 -#else -#define FENCE_MALLOC_ACTIVE 0 -#endif - -/* Allocate memory that is bounded by protected pages, - * so that out-of-bounds access will cause segfaults - */ -void * -fence_malloc (int64_t len); - -void -fence_free (void *data); - -pixman_image_t * -fence_image_create_bits (pixman_format_code_t format, - int min_width, - int height, - pixman_bool_t stride_fence); - -/* Return the page size if FENCE_MALLOC_ACTIVE, or zero otherwise */ -unsigned long -fence_get_page_size (); - -/* Generate n_bytes random bytes in fence_malloced memory */ -uint8_t * -make_random_bytes (int n_bytes); -float * -make_random_floats (int n_bytes); - -/* Return current time in seconds */ -double -gettime (void); - -uint32_t -get_random_seed (void); - -/* main body of the fuzzer test */ -int -fuzzer_test_main (const char *test_name, - int default_number_of_iterations, - uint32_t expected_checksum, - uint32_t (*test_function)(int testnum, int verbose), - int argc, - const char *argv[]); - -void -fail_after (int seconds, const char *msg); - -/* If possible, enable traps for floating point exceptions */ -void enable_divbyzero_exceptions(void); -void enable_invalid_exceptions(void); - -/* Converts a8r8g8b8 pixels to pixels that - * - are not premultiplied, - * - are stored in this order in memory: R, G, B, A, regardless of - * the endianness of the computer. - * It is allowed for @src and @dst to point to the same memory buffer. - */ -void -a8r8g8b8_to_rgba_np (uint32_t *dst, uint32_t *src, int n_pixels); - -pixman_bool_t -write_png (pixman_image_t *image, const char *filename); - -void -draw_checkerboard (pixman_image_t *image, - int check_size, - uint32_t color1, uint32_t color2); - -/* A pair of macros which can help to detect corruption of - * floating point registers after a function call. This may - * happen if _mm_empty() call is forgotten in MMX/SSE2 fast - * path code, or ARM NEON assembly optimized function forgets - * to save/restore d8-d15 registers before use. - */ - -#define FLOAT_REGS_CORRUPTION_DETECTOR_START() \ - static volatile double frcd_volatile_constant1 = 123451; \ - static volatile double frcd_volatile_constant2 = 123452; \ - static volatile double frcd_volatile_constant3 = 123453; \ - static volatile double frcd_volatile_constant4 = 123454; \ - static volatile double frcd_volatile_constant5 = 123455; \ - static volatile double frcd_volatile_constant6 = 123456; \ - static volatile double frcd_volatile_constant7 = 123457; \ - static volatile double frcd_volatile_constant8 = 123458; \ - double frcd_canary_variable1 = frcd_volatile_constant1; \ - double frcd_canary_variable2 = frcd_volatile_constant2; \ - double frcd_canary_variable3 = frcd_volatile_constant3; \ - double frcd_canary_variable4 = frcd_volatile_constant4; \ - double frcd_canary_variable5 = frcd_volatile_constant5; \ - double frcd_canary_variable6 = frcd_volatile_constant6; \ - double frcd_canary_variable7 = frcd_volatile_constant7; \ - double frcd_canary_variable8 = frcd_volatile_constant8; - -#define FLOAT_REGS_CORRUPTION_DETECTOR_FINISH() \ - assert (frcd_canary_variable1 == frcd_volatile_constant1); \ - assert (frcd_canary_variable2 == frcd_volatile_constant2); \ - assert (frcd_canary_variable3 == frcd_volatile_constant3); \ - assert (frcd_canary_variable4 == frcd_volatile_constant4); \ - assert (frcd_canary_variable5 == frcd_volatile_constant5); \ - assert (frcd_canary_variable6 == frcd_volatile_constant6); \ - assert (frcd_canary_variable7 == frcd_volatile_constant7); \ - assert (frcd_canary_variable8 == frcd_volatile_constant8); - -/* Try to get an aligned memory chunk */ -void * -aligned_malloc (size_t align, size_t size); - -double -convert_srgb_to_linear (double component); - -double -convert_linear_to_srgb (double component); - -void -initialize_palette (pixman_indexed_t *palette, uint32_t depth, int is_rgb); - -pixman_format_code_t -format_from_string (const char *s); - -void -list_formats (void); - -void -list_operators (void); - -void list_dithers (void); - -pixman_op_t -operator_from_string (const char *s); - -pixman_dither_t -dither_from_string (const char *s); - -const char * -operator_name (pixman_op_t op); - -const char * -format_name (pixman_format_code_t format); - -const char * -dither_name (pixman_dither_t dither); - -typedef struct -{ - double r, g, b, a; -} color_t; - -void -do_composite (pixman_op_t op, - const color_t *src, - const color_t *mask, - const color_t *dst, - color_t *result, - pixman_bool_t component_alpha); - -void -round_color (pixman_format_code_t format, color_t *color); - -typedef struct -{ - pixman_format_code_t format; - uint32_t am, rm, gm, bm; - uint32_t as, rs, gs, bs; - uint32_t aw, rw, gw, bw; - float ad, rd, gd, bd; -} pixel_checker_t; - -void -pixel_checker_init (pixel_checker_t *checker, pixman_format_code_t format); - -void -pixel_checker_allow_dither (pixel_checker_t *checker); - -void -pixel_checker_split_pixel (const pixel_checker_t *checker, uint32_t pixel, - int *a, int *r, int *g, int *b); - -void -pixel_checker_get_max (const pixel_checker_t *checker, color_t *color, - int *a, int *r, int *g, int *b); - -void -pixel_checker_get_min (const pixel_checker_t *checker, color_t *color, - int *a, int *r, int *g, int *b); - -pixman_bool_t -pixel_checker_check (const pixel_checker_t *checker, - uint32_t pixel, color_t *color); - -void -pixel_checker_convert_pixel_to_color (const pixel_checker_t *checker, - uint32_t pixel, color_t *color); - -void -pixel_checker_get_masks (const pixel_checker_t *checker, - uint32_t *am, - uint32_t *rm, - uint32_t *gm, - uint32_t *bm); |