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#include <stdio.h>
#include <stdlib.h>
#include "utils.h"
#define WIDTH 400
#define HEIGHT 200
int
main (int argc, char **argv)
{
uint8_t *alpha = make_random_bytes (WIDTH * HEIGHT);
uint32_t *src = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * 4);
uint32_t *dest = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * 4);
int i;
pixman_image_t *a = pixman_image_create_bits (PIXMAN_a8, WIDTH, HEIGHT, (uint32_t *)alpha, WIDTH);
pixman_image_t *d = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4);
for (i = 0; i < 2; ++i)
{
pixman_format_code_t sformat = (i == 0)? PIXMAN_a8r8g8b8 : PIXMAN_a2r10g10b10;
pixman_image_t *s = pixman_image_create_bits (sformat, WIDTH, HEIGHT, src, WIDTH * 4);
int j, k;
pixman_image_set_alpha_map (s, a, 0, 0);
pixman_image_composite (PIXMAN_OP_SRC, s, NULL, d, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
for (j = 0; j < HEIGHT; ++j)
{
for (k = 0; k < WIDTH; ++k)
{
uint8_t ap = ((uint8_t *)alpha)[j * WIDTH + k];
uint32_t dap = (dest[j * WIDTH + k] >> 24);
uint32_t sap = (src[j * WIDTH + k] >> 24);
if (ap != dap)
{
printf ("Wrong alpha value at (%d, %d). Should be %d; got %d (src was %d)\n", k, j, ap, dap, sap);
return 1;
}
}
}
pixman_image_unref (s);
}
return 0;
}
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