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author | marha <marha@users.sourceforge.net> | 2011-01-19 19:42:41 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2011-01-19 19:42:41 +0000 |
commit | cdc60fdcddbe5666aac11af34c6c030d4a670b99 (patch) | |
tree | 4ec58bc0728308be9921485d5e79979bbc65a9b1 /pixman/test/alphamap.c | |
parent | 800da6ed70c65f5059726b7ce35030e9c7235f01 (diff) | |
parent | a13b75f056f9f9efcf6ecb8610b40ddbbb2bbb69 (diff) | |
download | vcxsrv-cdc60fdcddbe5666aac11af34c6c030d4a670b99.tar.gz vcxsrv-cdc60fdcddbe5666aac11af34c6c030d4a670b99.tar.bz2 vcxsrv-cdc60fdcddbe5666aac11af34c6c030d4a670b99.zip |
svn merge ^/branches/released .
Diffstat (limited to 'pixman/test/alphamap.c')
-rw-r--r-- | pixman/test/alphamap.c | 515 |
1 files changed, 256 insertions, 259 deletions
diff --git a/pixman/test/alphamap.c b/pixman/test/alphamap.c index ba3130e5d..554b309fb 100644 --- a/pixman/test/alphamap.c +++ b/pixman/test/alphamap.c @@ -1,259 +1,256 @@ -#include <stdio.h>
-#include <stdlib.h>
-#include "utils.h"
-
-#define WIDTH 100
-#define HEIGHT 100
-
-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 const char *
-format_name (pixman_format_code_t format)
-{
- if (format == PIXMAN_a8)
- return "a8";
- else if (format == PIXMAN_a2r10g10b10)
- return "a2r10g10b10";
- else if (format == PIXMAN_a8r8g8b8)
- return "a8r8g8b8";
- else if (format == PIXMAN_a4r4g4b4)
- return "a4r4g4b4";
- else if (format == PIXMAN_null)
- return "none";
- else
- assert (0);
-
- return "<unknown - bug in alphamap.c>";
-}
-
-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 pixman_image_t *
-create_image (pixman_format_code_t format, pixman_format_code_t alpha_format,
- int alpha_origin_x, int alpha_origin_y)
-{
- pixman_image_t *image = make_image (format);
-
- if (alpha_format != PIXMAN_null)
- {
- pixman_image_t *alpha = make_image (alpha_format);
-
- pixman_image_set_alpha_map (image, alpha,
- alpha_origin_x, alpha_origin_y);
- pixman_image_unref (alpha);
- }
-
- 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;
-}
-
-#define ARRAY_LENGTH(A) ((int) (sizeof (A) / sizeof ((A) [0])))
-
-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;
- pixman_transform_t t1;
- int j, k;
- int n_alpha_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);
-
-
- src = create_image (sf, saf, soff, soff);
- orig_dst = create_image (df, daf, doff, doff);
- dst = create_image (df, daf, doff, doff);
-
- /* Transformations on destinations should be ignored, so just set some
- * random one.
- */
- 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));
-
-#if 0
- /* Unfortunately, this is actually broken at the moment, so we can't
- * actually turn it on
- */
- pixman_image_set_transform (dst, &t1);
-#endif
-
- pixman_image_composite (PIXMAN_OP_SRC, orig_dst, NULL, dst,
- 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
-
- 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, ref;
-
- 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)
- ref = 255;
- else
- ref = sa + oda;
-
- if (da >> (8 - n_alpha_bits) != ref >> (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, ref, 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;
- }
- }
- }
-
- 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;
-
- 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;
-}
+#include <stdio.h> +#include <stdlib.h> +#include "utils.h" + +#define WIDTH 100 +#define HEIGHT 100 + +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 const char * +format_name (pixman_format_code_t format) +{ + if (format == PIXMAN_a8) + return "a8"; + else if (format == PIXMAN_a2r10g10b10) + return "a2r10g10b10"; + else if (format == PIXMAN_a8r8g8b8) + return "a8r8g8b8"; + else if (format == PIXMAN_a4r4g4b4) + return "a4r4g4b4"; + else if (format == PIXMAN_null) + return "none"; + else + assert (0); + + return "<unknown - bug in alphamap.c>"; +} + +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 pixman_image_t * +create_image (pixman_format_code_t format, pixman_format_code_t alpha_format, + int alpha_origin_x, int alpha_origin_y) +{ + pixman_image_t *image = make_image (format); + + if (alpha_format != PIXMAN_null) + { + pixman_image_t *alpha = make_image (alpha_format); + + pixman_image_set_alpha_map (image, alpha, + alpha_origin_x, alpha_origin_y); + pixman_image_unref (alpha); + } + + 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; +} + +#define ARRAY_LENGTH(A) ((int) (sizeof (A) / sizeof ((A) [0]))) + +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; + pixman_transform_t t1; + int j, k; + int n_alpha_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); + + + src = create_image (sf, saf, soff, soff); + orig_dst = create_image (df, daf, doff, doff); + dst = create_image (df, daf, doff, doff); + + /* 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_SRC, orig_dst, NULL, dst, + 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + + 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, ref; + + 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) + ref = 255; + else + ref = sa + oda; + + if (da >> (8 - n_alpha_bits) != ref >> (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, ref, 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; + } + } + } + + 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; + + 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; +} |