diff options
Diffstat (limited to 'qemu/pixman/test/alphamap.c')
| -rw-r--r-- | qemu/pixman/test/alphamap.c | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/qemu/pixman/test/alphamap.c b/qemu/pixman/test/alphamap.c deleted file mode 100644 index 4d09076fb..000000000 --- a/qemu/pixman/test/alphamap.c +++ /dev/null @@ -1,315 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include "utils.h" - -#define WIDTH 48 -#define HEIGHT 48 - -static const pixman_format_code_t formats[] = -{ - PIXMAN_a8r8g8b8, - PIXMAN_a2r10g10b10, - PIXMAN_a4r4g4b4, - PIXMAN_a8 -}; - -static const pixman_format_code_t alpha_formats[] = -{ - PIXMAN_null, - PIXMAN_a8, - PIXMAN_a2r10g10b10, - PIXMAN_a4r4g4b4 -}; - -static const int origins[] = -{ - 0, 10, -100 -}; - -static void -on_destroy (pixman_image_t *image, void *data) -{ - uint32_t *bits = pixman_image_get_data (image); - - fence_free (bits); -} - -static pixman_image_t * -make_image (pixman_format_code_t format) -{ - uint32_t *bits; - uint8_t bpp = PIXMAN_FORMAT_BPP (format) / 8; - pixman_image_t *image; - - bits = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * bpp); - - image = pixman_image_create_bits (format, WIDTH, HEIGHT, bits, WIDTH * bpp); - - if (image && bits) - pixman_image_set_destroy_function (image, on_destroy, NULL); - - return image; -} - -static uint8_t -get_alpha (pixman_image_t *image, int x, int y, int orig_x, int orig_y) -{ - uint8_t *bits; - uint8_t r; - - if (image->common.alpha_map) - { - if (x - orig_x >= 0 && x - orig_x < WIDTH && - y - orig_y >= 0 && y - orig_y < HEIGHT) - { - image = (pixman_image_t *)image->common.alpha_map; - - x -= orig_x; - y -= orig_y; - } - else - { - return 0; - } - } - - bits = (uint8_t *)image->bits.bits; - - if (image->bits.format == PIXMAN_a8) - { - r = bits[y * WIDTH + x]; - } - else if (image->bits.format == PIXMAN_a2r10g10b10) - { - r = ((uint32_t *)bits)[y * WIDTH + x] >> 30; - r |= r << 2; - r |= r << 4; - } - else if (image->bits.format == PIXMAN_a8r8g8b8) - { - r = ((uint32_t *)bits)[y * WIDTH + x] >> 24; - } - else if (image->bits.format == PIXMAN_a4r4g4b4) - { - r = ((uint16_t *)bits)[y * WIDTH + x] >> 12; - r |= r << 4; - } - else - { - assert (0); - } - - return r; -} - -static uint16_t -get_red (pixman_image_t *image, int x, int y, int orig_x, int orig_y) -{ - uint8_t *bits; - uint16_t r; - - bits = (uint8_t *)image->bits.bits; - - if (image->bits.format == PIXMAN_a8) - { - r = 0x00; - } - else if (image->bits.format == PIXMAN_a2r10g10b10) - { - r = ((uint32_t *)bits)[y * WIDTH + x] >> 14; - r &= 0xffc0; - r |= (r >> 10); - } - else if (image->bits.format == PIXMAN_a8r8g8b8) - { - r = ((uint32_t *)bits)[y * WIDTH + x] >> 16; - r &= 0xff; - r |= r << 8; - } - else if (image->bits.format == PIXMAN_a4r4g4b4) - { - r = ((uint16_t *)bits)[y * WIDTH + x] >> 8; - r &= 0xf; - r |= r << 4; - r |= r << 8; - } - else - { - assert (0); - } - - return r; -} - -static int -run_test (int s, int d, int sa, int da, int soff, int doff) -{ - pixman_format_code_t sf = formats[s]; - pixman_format_code_t df = formats[d]; - pixman_format_code_t saf = alpha_formats[sa]; - pixman_format_code_t daf = alpha_formats[da]; - pixman_image_t *src, *dst, *orig_dst, *alpha, *orig_alpha; - pixman_transform_t t1; - int j, k; - int n_alpha_bits, n_red_bits; - - soff = origins[soff]; - doff = origins[doff]; - - n_alpha_bits = PIXMAN_FORMAT_A (df); - if (daf != PIXMAN_null) - n_alpha_bits = PIXMAN_FORMAT_A (daf); - - n_red_bits = PIXMAN_FORMAT_R (df); - - /* Source */ - src = make_image (sf); - if (saf != PIXMAN_null) - { - alpha = make_image (saf); - pixman_image_set_alpha_map (src, alpha, soff, soff); - pixman_image_unref (alpha); - } - - /* Destination */ - orig_dst = make_image (df); - dst = make_image (df); - pixman_image_composite (PIXMAN_OP_SRC, orig_dst, NULL, dst, - 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); - - if (daf != PIXMAN_null) - { - orig_alpha = make_image (daf); - alpha = make_image (daf); - - pixman_image_composite (PIXMAN_OP_SRC, orig_alpha, NULL, alpha, - 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); - - pixman_image_set_alpha_map (orig_dst, orig_alpha, doff, doff); - pixman_image_set_alpha_map (dst, alpha, doff, doff); - - pixman_image_unref (orig_alpha); - pixman_image_unref (alpha); - } - - /* Transformations, repeats and filters on destinations should be ignored, - * so just set some random ones. - */ - pixman_transform_init_identity (&t1); - pixman_transform_scale (&t1, NULL, pixman_int_to_fixed (100), pixman_int_to_fixed (11)); - pixman_transform_rotate (&t1, NULL, pixman_double_to_fixed (0.5), pixman_double_to_fixed (0.11)); - pixman_transform_translate (&t1, NULL, pixman_int_to_fixed (11), pixman_int_to_fixed (17)); - - pixman_image_set_transform (dst, &t1); - pixman_image_set_filter (dst, PIXMAN_FILTER_BILINEAR, NULL, 0); - pixman_image_set_repeat (dst, PIXMAN_REPEAT_REFLECT); - - pixman_image_composite (PIXMAN_OP_ADD, src, NULL, dst, - 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); - - for (j = MAX (doff, 0); j < MIN (HEIGHT, HEIGHT + doff); ++j) - { - for (k = MAX (doff, 0); k < MIN (WIDTH, WIDTH + doff); ++k) - { - uint8_t sa, da, oda, refa; - uint16_t sr, dr, odr, refr; - - sa = get_alpha (src, k, j, soff, soff); - da = get_alpha (dst, k, j, doff, doff); - oda = get_alpha (orig_dst, k, j, doff, doff); - - if (sa + oda > 255) - refa = 255; - else - refa = sa + oda; - - if (da >> (8 - n_alpha_bits) != refa >> (8 - n_alpha_bits)) - { - printf ("\nWrong alpha value at (%d, %d). Should be 0x%x; got 0x%x. Source was 0x%x, original dest was 0x%x\n", - k, j, refa, da, sa, oda); - - printf ("src: %s, alpha: %s, origin %d %d\ndst: %s, alpha: %s, origin: %d %d\n\n", - format_name (sf), - format_name (saf), - soff, soff, - format_name (df), - format_name (daf), - doff, doff); - return 1; - } - - /* There are cases where we go through the 8 bit compositing - * path even with 10bpc formats. This results in incorrect - * results here, so only do the red check for narrow formats - */ - if (n_red_bits <= 8) - { - sr = get_red (src, k, j, soff, soff); - dr = get_red (dst, k, j, doff, doff); - odr = get_red (orig_dst, k, j, doff, doff); - - if (sr + odr > 0xffff) - refr = 0xffff; - else - refr = sr + odr; - - if (abs ((dr >> (16 - n_red_bits)) - (refr >> (16 - n_red_bits))) > 1) - { - printf ("%d red bits\n", n_red_bits); - printf ("\nWrong red value at (%d, %d). Should be 0x%x; got 0x%x. Source was 0x%x, original dest was 0x%x\n", - k, j, refr, dr, sr, odr); - - printf ("src: %s, alpha: %s, origin %d %d\ndst: %s, alpha: %s, origin: %d %d\n\n", - format_name (sf), - format_name (saf), - soff, soff, - format_name (df), - format_name (daf), - doff, doff); - return 1; - } - } - } - } - - pixman_image_set_alpha_map (src, NULL, 0, 0); - pixman_image_set_alpha_map (dst, NULL, 0, 0); - pixman_image_set_alpha_map (orig_dst, NULL, 0, 0); - - pixman_image_unref (src); - pixman_image_unref (dst); - pixman_image_unref (orig_dst); - - return 0; -} - -int -main (int argc, char **argv) -{ - int i, j, a, b, x, y; - - prng_srand (0); - - for (i = 0; i < ARRAY_LENGTH (formats); ++i) - { - for (j = 0; j < ARRAY_LENGTH (formats); ++j) - { - for (a = 0; a < ARRAY_LENGTH (alpha_formats); ++a) - { - for (b = 0; b < ARRAY_LENGTH (alpha_formats); ++b) - { - for (x = 0; x < ARRAY_LENGTH (origins); ++x) - { - for (y = 0; y < ARRAY_LENGTH (origins); ++y) - { - if (run_test (i, j, a, b, x, y) != 0) - return 1; - } - } - } - } - } - } - - return 0; -} |