361 lines
9.7 KiB
C
361 lines
9.7 KiB
C
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <float.h>
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#include <math.h>
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#include "utils.h"
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#define MAX_WIDTH 16
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#define MAX_HEIGHT 16
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#define MAX_STRIDE 4
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static const pixman_format_code_t formats[] =
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{
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PIXMAN_a2r10g10b10,
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PIXMAN_x2r10g10b10,
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PIXMAN_a8r8g8b8,
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PIXMAN_a4r4g4b4,
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PIXMAN_a2r2g2b2,
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PIXMAN_r5g6b5,
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PIXMAN_r3g3b2,
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};
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static const pixman_op_t operators[] =
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{
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PIXMAN_OP_CLEAR,
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PIXMAN_OP_SRC,
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PIXMAN_OP_DST,
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PIXMAN_OP_OVER,
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PIXMAN_OP_OVER_REVERSE,
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PIXMAN_OP_IN,
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PIXMAN_OP_IN_REVERSE,
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PIXMAN_OP_OUT,
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PIXMAN_OP_OUT_REVERSE,
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PIXMAN_OP_ATOP,
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PIXMAN_OP_ATOP_REVERSE,
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PIXMAN_OP_XOR,
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PIXMAN_OP_ADD,
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PIXMAN_OP_SATURATE,
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PIXMAN_OP_DISJOINT_CLEAR,
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PIXMAN_OP_DISJOINT_SRC,
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PIXMAN_OP_DISJOINT_DST,
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PIXMAN_OP_DISJOINT_OVER,
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PIXMAN_OP_DISJOINT_OVER_REVERSE,
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PIXMAN_OP_DISJOINT_IN,
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PIXMAN_OP_DISJOINT_IN_REVERSE,
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PIXMAN_OP_DISJOINT_OUT,
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PIXMAN_OP_DISJOINT_OUT_REVERSE,
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PIXMAN_OP_DISJOINT_ATOP,
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PIXMAN_OP_DISJOINT_ATOP_REVERSE,
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PIXMAN_OP_DISJOINT_XOR,
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PIXMAN_OP_CONJOINT_CLEAR,
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PIXMAN_OP_CONJOINT_SRC,
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PIXMAN_OP_CONJOINT_DST,
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PIXMAN_OP_CONJOINT_OVER,
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PIXMAN_OP_CONJOINT_OVER_REVERSE,
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PIXMAN_OP_CONJOINT_IN,
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PIXMAN_OP_CONJOINT_IN_REVERSE,
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PIXMAN_OP_CONJOINT_OUT,
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PIXMAN_OP_CONJOINT_OUT_REVERSE,
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PIXMAN_OP_CONJOINT_ATOP,
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PIXMAN_OP_CONJOINT_ATOP_REVERSE,
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PIXMAN_OP_CONJOINT_XOR,
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PIXMAN_OP_MULTIPLY,
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PIXMAN_OP_SCREEN,
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PIXMAN_OP_OVERLAY,
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PIXMAN_OP_DARKEN,
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PIXMAN_OP_LIGHTEN,
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PIXMAN_OP_COLOR_DODGE,
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PIXMAN_OP_COLOR_BURN,
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PIXMAN_OP_HARD_LIGHT,
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PIXMAN_OP_SOFT_LIGHT,
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PIXMAN_OP_DIFFERENCE,
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PIXMAN_OP_EXCLUSION,
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};
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#define RANDOM_ELT(array) \
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(array[prng_rand_n (ARRAY_LENGTH (array))])
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static void
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free_bits (pixman_image_t *image, void *data)
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{
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free (image->bits.bits);
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}
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static pixman_image_t *
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create_image (pixman_image_t **clone)
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{
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pixman_format_code_t format = RANDOM_ELT (formats);
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pixman_image_t *image;
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int width = prng_rand_n (MAX_WIDTH);
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int height = prng_rand_n (MAX_HEIGHT);
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int stride = ((width * (PIXMAN_FORMAT_BPP (format) / 8)) + 3) & ~3;
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uint32_t *bytes = malloc (stride * height);
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prng_randmemset (bytes, stride * height, RANDMEMSET_MORE_00_AND_FF);
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image = pixman_image_create_bits (
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format, width, height, bytes, stride);
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pixman_image_set_destroy_function (image, free_bits, NULL);
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assert (image);
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if (clone)
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{
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uint32_t *bytes_dup = malloc (stride * height);
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memcpy (bytes_dup, bytes, stride * height);
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*clone = pixman_image_create_bits (
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format, width, height, bytes_dup, stride);
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pixman_image_set_destroy_function (*clone, free_bits, NULL);
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}
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return image;
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}
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static pixman_bool_t
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access (pixman_image_t *image, int x, int y, uint32_t *pixel)
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{
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int bytes_per_pixel;
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int stride;
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uint8_t *location;
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if (x < 0 || x >= image->bits.width || y < 0 || y >= image->bits.height)
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return FALSE;
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bytes_per_pixel = PIXMAN_FORMAT_BPP (image->bits.format) / 8;
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stride = image->bits.rowstride * 4;
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location = (uint8_t *)image->bits.bits + y * stride + x * bytes_per_pixel;
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if (bytes_per_pixel == 4)
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*pixel = *(uint32_t *)location;
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else if (bytes_per_pixel == 2)
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*pixel = *(uint16_t *)location;
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else if (bytes_per_pixel == 1)
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*pixel = *(uint8_t *)location;
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else
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assert (0);
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return TRUE;
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}
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static void
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get_color (pixel_checker_t *checker,
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pixman_image_t *image,
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int x, int y,
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color_t *color,
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uint32_t *pixel)
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{
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if (!access (image, x, y, pixel))
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{
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color->a = 0.0;
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color->r = 0.0;
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color->g = 0.0;
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color->b = 0.0;
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}
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else
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{
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pixel_checker_convert_pixel_to_color (
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checker, *pixel, color);
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}
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}
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static pixman_bool_t
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verify (int test_no,
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pixman_op_t op,
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pixman_image_t *source,
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pixman_image_t *mask,
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pixman_image_t *dest,
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pixman_image_t *orig_dest,
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int x, int y,
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int width, int height,
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pixman_bool_t component_alpha)
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{
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pixel_checker_t dest_checker, src_checker, mask_checker;
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int i, j;
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pixel_checker_init (&src_checker, source->bits.format);
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pixel_checker_init (&dest_checker, dest->bits.format);
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pixel_checker_init (&mask_checker, mask->bits.format);
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assert (dest->bits.format == orig_dest->bits.format);
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for (j = y; j < y + height; ++j)
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{
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for (i = x; i < x + width; ++i)
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{
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color_t src_color, mask_color, orig_dest_color, result;
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uint32_t dest_pixel, orig_dest_pixel, src_pixel, mask_pixel;
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access (dest, i, j, &dest_pixel);
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get_color (&src_checker,
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source, i - x, j - y,
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&src_color, &src_pixel);
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get_color (&mask_checker,
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mask, i - x, j - y,
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&mask_color, &mask_pixel);
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get_color (&dest_checker,
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orig_dest, i, j,
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&orig_dest_color, &orig_dest_pixel);
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do_composite (op,
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&src_color, &mask_color, &orig_dest_color,
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&result, component_alpha);
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if (!pixel_checker_check (&dest_checker, dest_pixel, &result))
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{
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int a, r, g, b;
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printf ("--------- Test 0x%x failed ---------\n", test_no);
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printf (" operator: %s (%s alpha)\n", operator_name (op),
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component_alpha? "component" : "unified");
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printf (" dest_x, dest_y: %d %d\n", x, y);
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printf (" width, height: %d %d\n", width, height);
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printf (" source: format: %-14s size: %2d x %2d\n",
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format_name (source->bits.format),
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source->bits.width, source->bits.height);
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printf (" mask: format: %-14s size: %2d x %2d\n",
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format_name (mask->bits.format),
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mask->bits.width, mask->bits.height);
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printf (" dest: format: %-14s size: %2d x %2d\n",
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format_name (dest->bits.format),
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dest->bits.width, dest->bits.height);
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printf (" -- Failed pixel: (%d, %d) --\n", i, j);
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printf (" source ARGB: %f %f %f %f (pixel: %x)\n",
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src_color.a, src_color.r, src_color.g, src_color.b,
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src_pixel);
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printf (" mask ARGB: %f %f %f %f (pixel: %x)\n",
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mask_color.a, mask_color.r, mask_color.g, mask_color.b,
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mask_pixel);
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printf (" dest ARGB: %f %f %f %f (pixel: %x)\n",
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orig_dest_color.a, orig_dest_color.r, orig_dest_color.g, orig_dest_color.b,
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orig_dest_pixel);
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printf (" expected ARGB: %f %f %f %f\n",
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result.a, result.r, result.g, result.b);
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pixel_checker_get_min (&dest_checker, &result, &a, &r, &g, &b);
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printf (" min acceptable: %8d %8d %8d %8d\n", a, r, g, b);
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pixel_checker_split_pixel (&dest_checker, dest_pixel, &a, &r, &g, &b);
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printf (" got: %8d %8d %8d %8d (pixel: %x)\n", a, r, g, b, dest_pixel);
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pixel_checker_get_max (&dest_checker, &result, &a, &r, &g, &b);
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printf (" max acceptable: %8d %8d %8d %8d\n", a, r, g, b);
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printf ("\n");
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printf (" { %s,\n", operator_name (op));
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printf (" PIXMAN_%s,\t0x%x,\n", format_name (source->bits.format), src_pixel);
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printf (" PIXMAN_%s,\t0x%x,\n", format_name (mask->bits.format), mask_pixel);
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printf (" PIXMAN_%s,\t0x%x\n", format_name (dest->bits.format), orig_dest_pixel);
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printf (" },\n");
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return FALSE;
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}
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}
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}
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return TRUE;
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}
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static pixman_bool_t
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do_check (int i)
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{
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pixman_image_t *source, *dest, *mask;
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pixman_op_t op;
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int x, y, width, height;
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pixman_image_t *dest_copy;
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pixman_bool_t result = TRUE;
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pixman_bool_t component_alpha;
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prng_srand (i);
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op = RANDOM_ELT (operators);
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x = prng_rand_n (MAX_WIDTH);
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y = prng_rand_n (MAX_HEIGHT);
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width = prng_rand_n (MAX_WIDTH) + 4;
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height = prng_rand_n (MAX_HEIGHT) + 4;
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source = create_image (NULL);
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mask = create_image (NULL);
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dest = create_image (&dest_copy);
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if (x >= dest->bits.width)
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x = dest->bits.width / 2;
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if (y >= dest->bits.height)
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y = dest->bits.height / 2;
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if (x + width > dest->bits.width)
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width = dest->bits.width - x;
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if (y + height > dest->bits.height)
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height = dest->bits.height - y;
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component_alpha = prng_rand_n (2);
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pixman_image_set_component_alpha (mask, component_alpha);
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pixman_image_composite32 (op, source, mask, dest,
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0, 0, 0, 0,
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x, y, width, height);
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if (!verify (i, op, source, mask, dest, dest_copy,
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x, y, width, height, component_alpha))
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{
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result = FALSE;
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}
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pixman_image_unref (source);
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pixman_image_unref (mask);
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pixman_image_unref (dest);
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pixman_image_unref (dest_copy);
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return result;
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}
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#define N_TESTS 10000000
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int
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main (int argc, const char *argv[])
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{
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int i;
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int result = 0;
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if (argc == 2)
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{
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if (strcmp (argv[1], "--forever") == 0)
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{
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uint32_t n;
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prng_srand (time (0));
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n = prng_rand();
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for (;;)
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do_check (n++);
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}
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else
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{
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do_check (strtol (argv[1], NULL, 0));
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}
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}
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else
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{
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#ifdef USE_OPENMP
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# pragma omp parallel for default(none) reduction(|:result)
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#endif
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for (i = 0; i < N_TESTS; ++i)
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{
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if (!do_check (i))
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result |= 1;
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}
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}
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return result;
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}
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