--- /dev/null
+/*
+ * Copyright © 2005 Eric Anholt
+ * Copyright © 2009 Chris Wilson
+ * Copyright © 2010 Soeren Sandmann
+ * Copyright © 2010 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Eric Anholt not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Eric Anholt makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <stdio.h>
+#include <stdlib.h> /* abort() */
+#include <math.h>
+#include <time.h>
+#include "utils.h"
+
+typedef struct image_t image_t;
+
+static const color_t colors[] =
+{
+ { 1.0, 1.0, 1.0, 1.0 },
+ { 1.0, 1.0, 1.0, 0.0 },
+ { 0.0, 0.0, 0.0, 1.0 },
+ { 0.0, 0.0, 0.0, 0.0 },
+ { 1.0, 0.0, 0.0, 1.0 },
+ { 0.0, 1.0, 0.0, 1.0 },
+ { 0.0, 0.0, 1.0, 1.0 },
+ { 0.5, 0.0, 0.0, 0.5 },
+};
+
+static uint16_t
+_color_double_to_short (double d)
+{
+ uint32_t i;
+
+ i = (uint32_t) (d * 65536);
+ i -= (i >> 16);
+
+ return i;
+}
+
+static void
+compute_pixman_color (const color_t *color,
+ pixman_color_t *out)
+{
+ out->red = _color_double_to_short (color->r);
+ out->green = _color_double_to_short (color->g);
+ out->blue = _color_double_to_short (color->b);
+ out->alpha = _color_double_to_short (color->a);
+}
+
+#define REPEAT 0x01000000
+#define FLAGS 0xff000000
+
+static const int sizes[] =
+{
+ 0,
+ 1,
+ 1 | REPEAT,
+ 10
+};
+
+static const pixman_format_code_t formats[] =
+{
+ /* 32 bpp formats */
+ PIXMAN_a8r8g8b8,
+ PIXMAN_x8r8g8b8,
+ PIXMAN_a8b8g8r8,
+ PIXMAN_x8b8g8r8,
+ PIXMAN_b8g8r8a8,
+ PIXMAN_b8g8r8x8,
+ PIXMAN_r8g8b8a8,
+ PIXMAN_r8g8b8x8,
+ PIXMAN_x2r10g10b10,
+ PIXMAN_x2b10g10r10,
+ PIXMAN_a2r10g10b10,
+ PIXMAN_a2b10g10r10,
+
+ /* sRGB formats */
+ PIXMAN_a8r8g8b8_sRGB,
+
+ /* 24 bpp formats */
+ PIXMAN_r8g8b8,
+ PIXMAN_b8g8r8,
+ PIXMAN_r5g6b5,
+ PIXMAN_b5g6r5,
+
+ /* 16 bpp formats */
+ PIXMAN_x1r5g5b5,
+ PIXMAN_x1b5g5r5,
+ PIXMAN_a1r5g5b5,
+ PIXMAN_a1b5g5r5,
+ PIXMAN_a4b4g4r4,
+ PIXMAN_x4b4g4r4,
+ PIXMAN_a4r4g4b4,
+ PIXMAN_x4r4g4b4,
+
+ /* 8 bpp formats */
+ PIXMAN_a8,
+ PIXMAN_r3g3b2,
+ PIXMAN_b2g3r3,
+ PIXMAN_a2r2g2b2,
+ PIXMAN_a2b2g2r2,
+ PIXMAN_x4a4,
+
+ /* 4 bpp formats */
+ PIXMAN_a4,
+ PIXMAN_r1g2b1,
+ PIXMAN_b1g2r1,
+ PIXMAN_a1r1g1b1,
+ PIXMAN_a1b1g1r1,
+
+ /* 1 bpp formats */
+ PIXMAN_a1,
+};
+
+struct image_t
+{
+ pixman_image_t *image;
+ pixman_format_code_t format;
+ const color_t *color;
+ pixman_repeat_t repeat;
+ int size;
+};
+
+static const pixman_op_t operators[] =
+{
+ 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_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,
+};
+
+static uint32_t
+get_value (pixman_image_t *image)
+{
+ uint32_t value = *(uint32_t *)pixman_image_get_data (image);
+
+#ifdef WORDS_BIGENDIAN
+ {
+ pixman_format_code_t format = pixman_image_get_format (image);
+ value >>= 8 * sizeof(value) - PIXMAN_FORMAT_BPP (format);
+ }
+#endif
+
+ return value;
+}
+
+static char *
+describe_image (image_t *info, char *buf)
+{
+ if (info->size)
+ {
+ sprintf (buf, "%s, %dx%d%s",
+ format_name (info->format),
+ info->size, info->size,
+ info->repeat ? " R" :"");
+ }
+ else
+ {
+ sprintf (buf, "solid");
+ }
+
+ return buf;
+}
+
+static char *
+describe_color (const color_t *color, char *buf)
+{
+ sprintf (buf, "%.3f %.3f %.3f %.3f",
+ color->r, color->g, color->b, color->a);
+
+ return buf;
+}
+
+static pixman_bool_t
+composite_test (image_t *dst,
+ pixman_op_t op,
+ image_t *src,
+ image_t *mask,
+ pixman_bool_t component_alpha,
+ int testno)
+{
+ color_t expected, tdst, tsrc, tmsk;
+ pixel_checker_t checker;
+
+ if (mask)
+ {
+ pixman_image_set_component_alpha (mask->image, component_alpha);
+
+ pixman_image_composite (op, src->image, mask->image, dst->image,
+ 0, 0, 0, 0, 0, 0, dst->size, dst->size);
+ }
+ else
+ {
+ pixman_image_composite (op, src->image, NULL, dst->image,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ dst->size, dst->size);
+ }
+
+ tdst = *dst->color;
+ tsrc = *src->color;
+
+ if (mask)
+ {
+ tmsk = *mask->color;
+ }
+
+ /* It turns out that by construction all source, mask etc. colors are
+ * linear because they are made from fills, and fills are always in linear
+ * color space. However, if they have been converted to bitmaps, we need
+ * to simulate the sRGB approximation to pass the test cases.
+ */
+ if (src->size)
+ {
+ if (PIXMAN_FORMAT_TYPE (src->format) == PIXMAN_TYPE_ARGB_SRGB)
+ {
+ tsrc.r = convert_linear_to_srgb (tsrc.r);
+ tsrc.g = convert_linear_to_srgb (tsrc.g);
+ tsrc.b = convert_linear_to_srgb (tsrc.b);
+ round_color (src->format, &tsrc);
+ tsrc.r = convert_srgb_to_linear (tsrc.r);
+ tsrc.g = convert_srgb_to_linear (tsrc.g);
+ tsrc.b = convert_srgb_to_linear (tsrc.b);
+ }
+ else
+ {
+ round_color (src->format, &tsrc);
+ }
+ }
+
+ if (mask && mask->size)
+ {
+ if (PIXMAN_FORMAT_TYPE (mask->format) == PIXMAN_TYPE_ARGB_SRGB)
+ {
+ tmsk.r = convert_linear_to_srgb (tmsk.r);
+ tmsk.g = convert_linear_to_srgb (tmsk.g);
+ tmsk.b = convert_linear_to_srgb (tmsk.b);
+ round_color (mask->format, &tmsk);
+ tmsk.r = convert_srgb_to_linear (tmsk.r);
+ tmsk.g = convert_srgb_to_linear (tmsk.g);
+ tmsk.b = convert_srgb_to_linear (tmsk.b);
+ }
+ else
+ {
+ round_color (mask->format, &tmsk);
+ }
+ }
+
+ if (mask)
+ {
+ if (component_alpha && PIXMAN_FORMAT_R (mask->format) == 0)
+ {
+ /* Ax component-alpha masks expand alpha into
+ * all color channels.
+ */
+ tmsk.r = tmsk.g = tmsk.b = tmsk.a;
+ }
+ }
+
+ if (PIXMAN_FORMAT_TYPE (dst->format) == PIXMAN_TYPE_ARGB_SRGB)
+ {
+ tdst.r = convert_linear_to_srgb (tdst.r);
+ tdst.g = convert_linear_to_srgb (tdst.g);
+ tdst.b = convert_linear_to_srgb (tdst.b);
+ round_color (dst->format, &tdst);
+ tdst.r = convert_srgb_to_linear (tdst.r);
+ tdst.g = convert_srgb_to_linear (tdst.g);
+ tdst.b = convert_srgb_to_linear (tdst.b);
+ }
+ else
+ {
+ round_color (dst->format, &tdst);
+ }
+
+ do_composite (op,
+ &tsrc,
+ mask? &tmsk : NULL,
+ &tdst,
+ &expected,
+ component_alpha);
+
+ pixel_checker_init (&checker, dst->format);
+
+ if (!pixel_checker_check (&checker, get_value (dst->image), &expected))
+ {
+ char buf[40], buf2[40];
+ int a, r, g, b;
+ uint32_t pixel;
+
+ printf ("---- Test %d failed ----\n", testno);
+ printf ("Operator: %s %s\n",
+ operator_name (op), component_alpha ? "CA" : "");
+
+ printf ("Source: %s\n", describe_image (src, buf));
+ if (mask != NULL)
+ printf ("Mask: %s\n", describe_image (mask, buf));
+
+ printf ("Destination: %s\n\n", describe_image (dst, buf));
+ printf (" R G B A Rounded\n");
+ printf ("Source color: %s %s\n",
+ describe_color (src->color, buf),
+ describe_color (&tsrc, buf2));
+ if (mask)
+ {
+ printf ("Mask color: %s %s\n",
+ describe_color (mask->color, buf),
+ describe_color (&tmsk, buf2));
+ }
+ printf ("Dest. color: %s %s\n",
+ describe_color (dst->color, buf),
+ describe_color (&tdst, buf2));
+
+ pixel = get_value (dst->image);
+
+ printf ("Expected: %s\n", describe_color (&expected, buf));
+
+ pixel_checker_split_pixel (&checker, pixel, &a, &r, &g, &b);
+
+ printf ("Got: %5d %5d %5d %5d [pixel: 0x%08x]\n", r, g, b, a, pixel);
+ pixel_checker_get_min (&checker, &expected, &a, &r, &g, &b);
+ printf ("Min accepted: %5d %5d %5d %5d\n", r, g, b, a);
+ pixel_checker_get_max (&checker, &expected, &a, &r, &g, &b);
+ printf ("Max accepted: %5d %5d %5d %5d\n", r, g, b, a);
+
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static void
+image_init (image_t *info,
+ int color,
+ int format,
+ int size)
+{
+ pixman_color_t fill;
+
+ info->color = &colors[color];
+ compute_pixman_color (info->color, &fill);
+
+ info->format = formats[format];
+ info->size = sizes[size] & ~FLAGS;
+ info->repeat = PIXMAN_REPEAT_NONE;
+
+ if (info->size)
+ {
+ pixman_image_t *solid;
+
+ info->image = pixman_image_create_bits (info->format,
+ info->size, info->size,
+ NULL, 0);
+
+ solid = pixman_image_create_solid_fill (&fill);
+ pixman_image_composite32 (PIXMAN_OP_SRC, solid, NULL, info->image,
+ 0, 0, 0, 0, 0, 0, info->size, info->size);
+ pixman_image_unref (solid);
+
+ if (sizes[size] & REPEAT)
+ {
+ pixman_image_set_repeat (info->image, PIXMAN_REPEAT_NORMAL);
+ info->repeat = PIXMAN_REPEAT_NORMAL;
+ }
+ }
+ else
+ {
+ info->image = pixman_image_create_solid_fill (&fill);
+ }
+}
+
+static void
+image_fini (image_t *info)
+{
+ pixman_image_unref (info->image);
+}
+
+static int
+random_size (void)
+{
+ return prng_rand_n (ARRAY_LENGTH (sizes));
+}
+
+static int
+random_color (void)
+{
+ return prng_rand_n (ARRAY_LENGTH (colors));
+}
+
+static int
+random_format (void)
+{
+ return prng_rand_n (ARRAY_LENGTH (formats));
+}
+
+static pixman_bool_t
+run_test (uint32_t seed)
+{
+ image_t src, mask, dst;
+ pixman_op_t op;
+ int ca;
+ int ok;
+
+ prng_srand (seed);
+
+ image_init (&dst, random_color(), random_format(), 1);
+ image_init (&src, random_color(), random_format(), random_size());
+ image_init (&mask, random_color(), random_format(), random_size());
+
+ op = operators [prng_rand_n (ARRAY_LENGTH (operators))];
+
+ ca = prng_rand_n (3);
+
+ switch (ca)
+ {
+ case 0:
+ ok = composite_test (&dst, op, &src, NULL, FALSE, seed);
+ break;
+ case 1:
+ ok = composite_test (&dst, op, &src, &mask, FALSE, seed);
+ break;
+ case 2:
+ ok = composite_test (&dst, op, &src, &mask,
+ mask.size? TRUE : FALSE, seed);
+ break;
+ default:
+ ok = FALSE;
+ break;
+ }
+
+ image_fini (&src);
+ image_fini (&mask);
+ image_fini (&dst);
+
+ return ok;
+}
+
+int
+main (int argc, char **argv)
+{
+#define N_TESTS (8 * 1024 * 1024)
+ int result = 0;
+ uint32_t seed;
+ int32_t i;
+
+ if (argc > 1)
+ {
+ char *end;
+
+ i = strtol (argv[1], &end, 0);
+
+ if (end != argv[1])
+ {
+ if (!run_test (i))
+ return 1;
+ else
+ return 0;
+ }
+ else
+ {
+ printf ("Usage:\n\n %s <number>\n\n", argv[0]);
+ return -1;
+ }
+ }
+
+ if (getenv ("PIXMAN_RANDOMIZE_TESTS"))
+ seed = get_random_seed();
+ else
+ seed = 1;
+
+#ifdef USE_OPENMP
+# pragma omp parallel for default(none) shared(result, argv, seed)
+#endif
+ for (i = 0; i <= N_TESTS; ++i)
+ {
+ if (!result && !run_test (i + seed))
+ {
+ printf ("Test 0x%08X failed.\n", seed + i);
+
+ result = seed + i;
+ }
+ }
+
+ return result;
+}
Code Review / kvmfornfv.git / blobdiff