aboutsummaryrefslogtreecommitdiff
path: root/pixman/test/scaling-crash-test.c
diff options
context:
space:
mode:
Diffstat (limited to 'pixman/test/scaling-crash-test.c')
-rw-r--r--pixman/test/scaling-crash-test.c433
1 files changed, 216 insertions, 217 deletions
diff --git a/pixman/test/scaling-crash-test.c b/pixman/test/scaling-crash-test.c
index 23ee8c6be..ed57ae024 100644
--- a/pixman/test/scaling-crash-test.c
+++ b/pixman/test/scaling-crash-test.c
@@ -1,217 +1,216 @@
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include "pixman.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_box32_t box = { 0, 0, src_width, src_height };
- pixman_color_t color_cc = { 0xcccc, 0xcccc, 0xcccc, 0xcccc };
- 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);
-
- pixman_image_fill_boxes (PIXMAN_OP_SRC, src_img, &color_cc, 1, &box);
-
- 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)
-{
-#define N_ELEMENTS(a) (sizeof (a) / sizeof ((a)[0]))
- int i, j;
-
- for (i = 0; i < N_ELEMENTS(filters); ++i)
- {
- for (j = 0; j < N_ELEMENTS (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;
-}
+#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_box32_t box = { 0, 0, src_width, src_height };
+ pixman_color_t color_cc = { 0xcccc, 0xcccc, 0xcccc, 0xcccc };
+ 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);
+
+ pixman_image_fill_boxes (PIXMAN_OP_SRC, src_img, &color_cc, 1, &box);
+
+ 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 22:42:14 +0000