diff options
Diffstat (limited to 'libs/pixman-0.40.0/test/scaling-crash-test.c')
| -rw-r--r-- | libs/pixman-0.40.0/test/scaling-crash-test.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/libs/pixman-0.40.0/test/scaling-crash-test.c b/libs/pixman-0.40.0/test/scaling-crash-test.c deleted file mode 100644 index 0dac892..0000000 --- a/libs/pixman-0.40.0/test/scaling-crash-test.c +++ /dev/null @@ -1,219 +0,0 @@ -#include <assert.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "utils.h" - -/* - * We have a source image filled with solid color, set NORMAL or PAD repeat, - * and some transform which results in nearest neighbour scaling. - * - * The expected result is either that the destination image filled with this solid - * color or, if the transformation is such that we can't composite anything at - * all, that nothing has changed in the destination. - * - * The surrounding memory of the source image is a different solid color so that - * we are sure to get failures if we access it. - */ -static int -run_test (int32_t dst_width, - int32_t dst_height, - int32_t src_width, - int32_t src_height, - int32_t src_x, - int32_t src_y, - int32_t scale_x, - int32_t scale_y, - pixman_filter_t filter, - pixman_repeat_t repeat) -{ - pixman_image_t * src_img; - pixman_image_t * dst_img; - pixman_transform_t transform; - uint32_t * srcbuf; - uint32_t * dstbuf; - pixman_color_t color_cc = { 0xcccc, 0xcccc, 0xcccc, 0xcccc }; - pixman_image_t * solid; - int result; - int i; - - static const pixman_fixed_t kernel[] = - { -#define D(f) (pixman_double_to_fixed (f) + 0x0001) - - pixman_int_to_fixed (5), - pixman_int_to_fixed (5), - D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), - D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), - D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), - D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), - D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0) - }; - - result = 0; - - srcbuf = (uint32_t *)malloc ((src_width + 10) * (src_height + 10) * 4); - dstbuf = (uint32_t *)malloc (dst_width * dst_height * 4); - - memset (srcbuf, 0x88, src_width * src_height * 4); - memset (dstbuf, 0x33, dst_width * dst_height * 4); - - src_img = pixman_image_create_bits ( - PIXMAN_a8r8g8b8, src_width, src_height, - srcbuf + (src_width + 10) * 5 + 5, (src_width + 10) * 4); - - solid = pixman_image_create_solid_fill (&color_cc); - pixman_image_composite32 (PIXMAN_OP_SRC, solid, NULL, src_img, - 0, 0, 0, 0, 0, 0, src_width, src_height); - pixman_image_unref (solid); - - dst_img = pixman_image_create_bits ( - PIXMAN_a8r8g8b8, dst_width, dst_height, dstbuf, dst_width * 4); - - pixman_transform_init_scale (&transform, scale_x, scale_y); - pixman_image_set_transform (src_img, &transform); - pixman_image_set_repeat (src_img, repeat); - if (filter == PIXMAN_FILTER_CONVOLUTION) - pixman_image_set_filter (src_img, filter, kernel, 27); - else - pixman_image_set_filter (src_img, filter, NULL, 0); - - pixman_image_composite (PIXMAN_OP_SRC, src_img, NULL, dst_img, - src_x, src_y, 0, 0, 0, 0, dst_width, dst_height); - - pixman_image_unref (src_img); - pixman_image_unref (dst_img); - - for (i = 0; i < dst_width * dst_height; i++) - { - if (dstbuf[i] != 0xCCCCCCCC && dstbuf[i] != 0x33333333) - { - result = 1; - break; - } - } - - free (srcbuf); - free (dstbuf); - return result; -} - -typedef struct filter_info_t filter_info_t; -struct filter_info_t -{ - pixman_filter_t value; - char name[28]; -}; - -static const filter_info_t filters[] = -{ - { PIXMAN_FILTER_NEAREST, "NEAREST" }, - { PIXMAN_FILTER_BILINEAR, "BILINEAR" }, - { PIXMAN_FILTER_CONVOLUTION, "CONVOLUTION" }, -}; - -typedef struct repeat_info_t repeat_info_t; -struct repeat_info_t -{ - pixman_repeat_t value; - char name[28]; -}; - - -static const repeat_info_t repeats[] = -{ - { PIXMAN_REPEAT_PAD, "PAD" }, - { PIXMAN_REPEAT_REFLECT, "REFLECT" }, - { PIXMAN_REPEAT_NORMAL, "NORMAL" } -}; - -static int -do_test (int32_t dst_size, - int32_t src_size, - int32_t src_offs, - int32_t scale_factor) -{ - int i, j; - - for (i = 0; i < ARRAY_LENGTH (filters); ++i) - { - for (j = 0; j < ARRAY_LENGTH (repeats); ++j) - { - /* horizontal test */ - if (run_test (dst_size, 1, - src_size, 1, - src_offs, 0, - scale_factor, 65536, - filters[i].value, - repeats[j].value) != 0) - { - printf ("Vertical test failed with %s filter and repeat mode %s\n", - filters[i].name, repeats[j].name); - - return 1; - } - - /* vertical test */ - if (run_test (1, dst_size, - 1, src_size, - 0, src_offs, - 65536, scale_factor, - filters[i].value, - repeats[j].value) != 0) - { - printf ("Vertical test failed with %s filter and repeat mode %s\n", - filters[i].name, repeats[j].name); - - return 1; - } - } - } - - return 0; -} - -int -main (int argc, char *argv[]) -{ - int i; - - pixman_disable_out_of_bounds_workaround (); - - /* can potentially crash */ - assert (do_test ( - 48000, 32767, 1, 65536 * 128) == 0); - - /* can potentially get into a deadloop */ - assert (do_test ( - 16384, 65536, 32, 32768) == 0); - - /* can potentially access memory outside source image buffer */ - assert (do_test ( - 10, 10, 0, 1) == 0); - assert (do_test ( - 10, 10, 0, 0) == 0); - - for (i = 0; i < 100; ++i) - { - pixman_fixed_t one_seventh = - (((pixman_fixed_48_16_t)pixman_fixed_1) << 16) / (7 << 16); - - assert (do_test ( - 1, 7, 3, one_seventh + i - 50) == 0); - } - - for (i = 0; i < 100; ++i) - { - pixman_fixed_t scale = - (((pixman_fixed_48_16_t)pixman_fixed_1) << 16) / (32767 << 16); - - assert (do_test ( - 1, 32767, 16383, scale + i - 50) == 0); - } - - /* can potentially provide invalid results (out of range matrix stuff) */ - assert (do_test ( - 48000, 32767, 16384, 65536 * 128) == 0); - - return 0; -} |