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authormarha <marha@users.sourceforge.net>2011-09-22 15:20:09 +0200
committermarha <marha@users.sourceforge.net>2011-09-22 15:20:09 +0200
commitc1e6c7428a8d2c1b60ffac7df7a3f56c300fa983 (patch)
tree8874978d314129a4f47ee575b076c2d8eb1a8738 /pixman
parent37466741e35c5eb3b204863a5023bf8d192efc06 (diff)
downloadvcxsrv-c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983.tar.gz
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libxtrans libX11 libX11 libXext mesa xserver git update 22 sep 2011
Diffstat (limited to 'pixman')
-rw-r--r--pixman/pixman/pixman-access.c2658
-rw-r--r--pixman/pixman/pixman-combine.c.template7
-rw-r--r--pixman/pixman/pixman-fast-path.c2
-rw-r--r--pixman/pixman/pixman-image.c41
-rw-r--r--pixman/pixman/pixman-inlines.h12
-rw-r--r--pixman/pixman/pixman-private.h62
-rw-r--r--pixman/pixman/pixman-utils.c34
-rw-r--r--pixman/pixman/pixman.c272
-rw-r--r--pixman/test/affine-test.c598
-rw-r--r--pixman/test/blitters-test.c5
10 files changed, 974 insertions, 2717 deletions
diff --git a/pixman/pixman/pixman-access.c b/pixman/pixman/pixman-access.c
index 32c4d8b2c..189b19150 100644
--- a/pixman/pixman/pixman-access.c
+++ b/pixman/pixman/pixman-access.c
@@ -54,6 +54,120 @@
#define RGB24_TO_ENTRY_Y(mif,rgb24) \
((mif)->ent[CONVERT_RGB24_TO_Y15 (rgb24)])
+/* Fetch macros */
+
+#ifdef WORDS_BIGENDIAN
+#define FETCH_1(img,l,o) \
+ (((READ ((img), ((uint32_t *)(l)) + ((o) >> 5))) >> (0x1f - ((o) & 0x1f))) & 0x1)
+#else
+#define FETCH_1(img,l,o) \
+ ((((READ ((img), ((uint32_t *)(l)) + ((o) >> 5))) >> ((o) & 0x1f))) & 0x1)
+#endif
+
+#define FETCH_8(img,l,o) (READ (img, (((uint8_t *)(l)) + ((o) >> 3))))
+
+#ifdef WORDS_BIGENDIAN
+#define FETCH_4(img,l,o) \
+ (((4 * (o)) & 4) ? (FETCH_8 (img,l, 4 * (o)) & 0xf) : (FETCH_8 (img,l,(4 * (o))) >> 4))
+#else
+#define FETCH_4(img,l,o) \
+ (((4 * (o)) & 4) ? (FETCH_8 (img, l, 4 * (o)) >> 4) : (FETCH_8 (img, l, (4 * (o))) & 0xf))
+#endif
+
+#ifdef WORDS_BIGENDIAN
+#define FETCH_24(img,l,o) \
+ ((READ (img, (((uint8_t *)(l)) + ((o) * 3) + 0)) << 16) | \
+ (READ (img, (((uint8_t *)(l)) + ((o) * 3) + 1)) << 8) | \
+ (READ (img, (((uint8_t *)(l)) + ((o) * 3) + 2)) << 0))
+#else
+#define FETCH_24(img,l,o) \
+ ((READ (img, (((uint8_t *)(l)) + ((o) * 3) + 0)) << 0) | \
+ (READ (img, (((uint8_t *)(l)) + ((o) * 3) + 1)) << 8) | \
+ (READ (img, (((uint8_t *)(l)) + ((o) * 3) + 2)) << 16))
+#endif
+
+/* Store macros */
+
+#ifdef WORDS_BIGENDIAN
+#define STORE_1(img,l,o,v) \
+ do \
+ { \
+ uint32_t *__d = ((uint32_t *)(l)) + ((o) >> 5); \
+ uint32_t __m, __v; \
+ \
+ __m = 1 << (0x1f - ((o) & 0x1f)); \
+ __v = (v)? __m : 0; \
+ \
+ WRITE((img), __d, (READ((img), __d) & ~__m) | __v); \
+ } \
+ while (0)
+#else
+#define STORE_1(img,l,o,v) \
+ do \
+ { \
+ uint32_t *__d = ((uint32_t *)(l)) + ((o) >> 5); \
+ uint32_t __m, __v; \
+ \
+ __m = 1 << ((o) & 0x1f); \
+ __v = (v)? __m : 0; \
+ \
+ WRITE((img), __d, (READ((img), __d) & ~__m) | __v); \
+ } \
+ while (0)
+#endif
+
+#define STORE_8(img,l,o,v) (WRITE (img, (uint8_t *)(l) + ((o) >> 3), (v)))
+
+#ifdef WORDS_BIGENDIAN
+#define STORE_4(img,l,o,v) \
+ do \
+ { \
+ int bo = 4 * (o); \
+ int v4 = (v) & 0x0f; \
+ \
+ STORE_8 (img, l, bo, ( \
+ bo & 4 ? \
+ (FETCH_8 (img, l, bo) & 0xf0) | (v4) : \
+ (FETCH_8 (img, l, bo) & 0x0f) | (v4 << 4))); \
+ } while (0)
+#else
+#define STORE_4(img,l,o,v) \
+ do \
+ { \
+ int bo = 4 * (o); \
+ int v4 = (v) & 0x0f; \
+ \
+ STORE_8 (img, l, bo, ( \
+ bo & 4 ? \
+ (FETCH_8 (img, l, bo) & 0x0f) | (v4 << 4) : \
+ (FETCH_8 (img, l, bo) & 0xf0) | (v4))); \
+ } while (0)
+#endif
+
+#ifdef WORDS_BIGENDIAN
+#define STORE_24(img,l,o,v) \
+ do \
+ { \
+ uint8_t *__tmp = (l) + 3 * (o); \
+ \
+ WRITE ((img), __tmp++, ((v) & 0x00ff0000) >> 16); \
+ WRITE ((img), __tmp++, ((v) & 0x0000ff00) >> 8); \
+ WRITE ((img), __tmp++, ((v) & 0x000000ff) >> 0); \
+ } \
+ while (0)
+#else
+#define STORE_24(img,l,o,v) \
+ do \
+ { \
+ uint8_t *__tmp = (l) + 3 * (o); \
+ \
+ WRITE ((img), __tmp++, ((v) & 0x000000ff) >> 0); \
+ WRITE ((img), __tmp++, ((v) & 0x0000ff00) >> 8); \
+ WRITE ((img), __tmp++, ((v) & 0x00ff0000) >> 16); \
+ } \
+ while (0)
+#endif
+
/*
* YV12 setup and access macros
*/
@@ -86,195 +200,321 @@
((uint8_t *) ((bits) + offset0 + \
((stride) >> 1) * ((line) >> 1)))
-/********************************** Fetch ************************************/
+/* Misc. helpers */
+
+static force_inline void
+get_shifts (pixman_format_code_t format,
+ int *a,
+ int *r,
+ int *g,
+ int *b)
+{
+ switch (PIXMAN_FORMAT_TYPE (format))
+ {
+ case PIXMAN_TYPE_A:
+ *b = 0;
+ *g = 0;
+ *r = 0;
+ *a = 0;
+ break;
+
+ case PIXMAN_TYPE_ARGB:
+ *b = 0;
+ *g = *b + PIXMAN_FORMAT_B (format);
+ *r = *g + PIXMAN_FORMAT_G (format);
+ *a = *r + PIXMAN_FORMAT_R (format);
+ break;
+
+ case PIXMAN_TYPE_ABGR:
+ *r = 0;
+ *g = *r + PIXMAN_FORMAT_R (format);
+ *b = *g + PIXMAN_FORMAT_G (format);
+ *a = *b + PIXMAN_FORMAT_B (format);
+ break;
+
+ case PIXMAN_TYPE_BGRA:
+ /* With BGRA formats we start counting at the high end of the pixel */
+ *b = PIXMAN_FORMAT_BPP (format) - PIXMAN_FORMAT_B (format);
+ *g = *b - PIXMAN_FORMAT_B (format);
+ *r = *g - PIXMAN_FORMAT_G (format);
+ *a = *r - PIXMAN_FORMAT_R (format);
+ break;
+
+ case PIXMAN_TYPE_RGBA:
+ /* With BGRA formats we start counting at the high end of the pixel */
+ *r = PIXMAN_FORMAT_BPP (format) - PIXMAN_FORMAT_R (format);
+ *g = *r - PIXMAN_FORMAT_R (format);
+ *b = *g - PIXMAN_FORMAT_G (format);
+ *a = *b - PIXMAN_FORMAT_B (format);
+ break;
+
+ default:
+ assert (0);
+ break;
+ }
+}
+
+static force_inline uint32_t
+convert_channel (uint32_t pixel, uint32_t def_value,
+ int n_from_bits, int from_shift,
+ int n_to_bits, int to_shift)
+{
+ uint32_t v;
+
+ if (n_from_bits && n_to_bits)
+ v = unorm_to_unorm (pixel >> from_shift, n_from_bits, n_to_bits);
+ else if (n_to_bits)
+ v = def_value;
+ else
+ v = 0;
-static void
-fetch_scanline_a8r8g8b8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
-
- MEMCPY_WRAPPED (image,
- buffer, (const uint32_t *)bits + x,
- width * sizeof(uint32_t));
+ return (v & ((1 << n_to_bits) - 1)) << to_shift;
}
-static void
-fetch_scanline_x8r8g8b8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
+static force_inline uint32_t
+convert_pixel (pixman_format_code_t from, pixman_format_code_t to, uint32_t pixel)
{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint32_t *pixel = (const uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
-
- while (pixel < end)
- *buffer++ = READ (image, pixel++) | 0xff000000;
+ int a_from_shift, r_from_shift, g_from_shift, b_from_shift;
+ int a_to_shift, r_to_shift, g_to_shift, b_to_shift;
+ uint32_t a, r, g, b;
+
+ get_shifts (from, &a_from_shift, &r_from_shift, &g_from_shift, &b_from_shift);
+ get_shifts (to, &a_to_shift, &r_to_shift, &g_to_shift, &b_to_shift);
+
+ a = convert_channel (pixel, ~0,
+ PIXMAN_FORMAT_A (from), a_from_shift,
+ PIXMAN_FORMAT_A (to), a_to_shift);
+
+ r = convert_channel (pixel, 0,
+ PIXMAN_FORMAT_R (from), r_from_shift,
+ PIXMAN_FORMAT_R (to), r_to_shift);
+
+ g = convert_channel (pixel, 0,
+ PIXMAN_FORMAT_G (from), g_from_shift,
+ PIXMAN_FORMAT_G (to), g_to_shift);
+
+ b = convert_channel (pixel, 0,
+ PIXMAN_FORMAT_B (from), b_from_shift,
+ PIXMAN_FORMAT_B (to), b_to_shift);
+
+ return a | r | g | b;
}
-static void
-fetch_scanline_a8b8g8r8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
+static force_inline uint32_t
+convert_pixel_to_a8r8g8b8 (pixman_image_t *image,
+ pixman_format_code_t format,
+ uint32_t pixel)
{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
-
- while (pixel < end)
+ if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY ||
+ PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR)
{
- uint32_t p = READ (image, pixel++);
-
- *buffer++ = (p & 0xff00ff00) |
- ((p >> 16) & 0xff) |
- ((p & 0xff) << 16);
+ return image->bits.indexed->rgba[pixel];
}
-}
-
-static void
-fetch_scanline_x8b8g8r8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
-
- while (pixel < end)
+ else
{
- uint32_t p = READ (image, pixel++);
-
- *buffer++ = 0xff000000 |
- (p & 0x0000ff00) |
- ((p >> 16) & 0xff) |
- ((p & 0xff) << 16);
+ return convert_pixel (format, PIXMAN_a8r8g8b8, pixel);
}
}
-static void
-fetch_scanline_b8g8r8a8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
+static force_inline uint32_t
+convert_pixel_from_a8r8g8b8 (pixman_image_t *image,
+ pixman_format_code_t format, uint32_t pixel)
{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
-
- while (pixel < end)
+ if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY)
{
- uint32_t p = READ (image, pixel++);
+ pixel = CONVERT_RGB24_TO_Y15 (pixel);
- *buffer++ = (((p & 0xff000000) >> 24) |
- ((p & 0x00ff0000) >> 8) |
- ((p & 0x0000ff00) << 8) |
- ((p & 0x000000ff) << 24));
+ return image->bits.indexed->ent[pixel & 0x7fff];
}
-}
+ else if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR)
+ {
+ pixel = convert_pixel (PIXMAN_a8r8g8b8, PIXMAN_x1r5g5b5, pixel);
-static void
-fetch_scanline_b8g8r8x8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
-
- while (pixel < end)
+ return image->bits.indexed->ent[pixel & 0x7fff];
+ }
+ else
{
- uint32_t p = READ (image, pixel++);
-
- *buffer++ = (0xff000000 |
- ((p & 0xff000000) >> 24) |
- ((p & 0x00ff0000) >> 8) |
- ((p & 0x0000ff00) << 8));
+ return convert_pixel (PIXMAN_a8r8g8b8, format, pixel);
}
}
-static void
-fetch_scanline_r8g8b8a8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
+static force_inline uint32_t
+fetch_and_convert_pixel (pixman_image_t * image,
+ const uint8_t * bits,
+ int offset,
+ pixman_format_code_t format)
{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
+ uint32_t pixel;
- while (pixel < end)
+ switch (PIXMAN_FORMAT_BPP (format))
{
- uint32_t p = READ (image, pixel++);
+ case 1:
+ pixel = FETCH_1 (image, bits, offset);
+ break;
- *buffer++ = (((p & 0x000000ff) << 24) | (p >> 8));
- }
-}
+ case 4:
+ pixel = FETCH_4 (image, bits, offset);
+ break;
-static void
-fetch_scanline_r8g8b8x8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
-
- *buffer++ = (0xff000000 | (p >> 8));
+ case 8:
+ pixel = READ (image, bits + offset);
+ break;
+
+ case 16:
+ pixel = READ (image, ((uint16_t *)bits + offset));
+ break;
+
+ case 24:
+ pixel = FETCH_24 (image, bits, offset);
+ break;
+
+ case 32:
+ pixel = READ (image, ((uint32_t *)bits + offset));
+ break;
+
+ default:
+ pixel = 0xffff00ff; /* As ugly as possible to detect the bug */
+ break;
}
+
+ return convert_pixel_to_a8r8g8b8 (image, format, pixel);
}
-static void
-fetch_scanline_x14r6g6b6 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
+static force_inline void
+convert_and_store_pixel (bits_image_t * image,
+ uint8_t * dest,
+ int offset,
+ pixman_format_code_t format,
+ uint32_t pixel)
{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint32_t *pixel = (const uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
+ uint32_t converted = convert_pixel_from_a8r8g8b8 (
+ (pixman_image_t *)image, format, pixel);
- while (pixel < end)
+ switch (PIXMAN_FORMAT_BPP (format))
{
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b;
+ case 1:
+ STORE_1 (image, dest, offset, converted & 0x01);
+ break;
+
+ case 4:
+ STORE_4 (image, dest, offset, converted & 0xf);
+ break;
+
+ case 8:
+ WRITE (image, (dest + offset), converted & 0xff);
+ break;
+
+ case 16:
+ WRITE (image, ((uint16_t *)dest + offset), converted & 0xffff);
+ break;
+
+ case 24:
+ STORE_24 (image, dest, offset, converted);
+ break;
- r = ((p & 0x3f000) << 6) | ((p & 0x30000));
- g = ((p & 0x00fc0) << 4) | ((p & 0x00c00) >> 2);
- b = ((p & 0x0003f) << 2) | ((p & 0x00030) >> 4);
+ case 32:
+ WRITE (image, ((uint32_t *)dest + offset), converted);
+ break;
- *buffer++ = 0xff000000 | r | g | b;
+ default:
+ *dest = 0x0;
+ break;
}
}
+#define MAKE_ACCESSORS(format) \
+ static void \
+ fetch_scanline_ ## format (pixman_image_t *image, \
+ int x, \
+ int y, \
+ int width, \
+ uint32_t * buffer, \
+ const uint32_t *mask) \
+ { \
+ uint8_t *bits = \
+ (uint8_t *)(image->bits.bits + y * image->bits.rowstride); \
+ int i; \
+ \
+ for (i = 0; i < width; ++i) \
+ { \
+ *buffer++ = \
+ fetch_and_convert_pixel (image, bits, x + i, PIXMAN_ ## format); \
+ } \
+ } \
+ \
+ static void \
+ store_scanline_ ## format (bits_image_t * image, \
+ int x, \
+ int y, \
+ int width, \
+ const uint32_t *values) \
+ { \
+ uint8_t *dest = \
+ (uint8_t *)(image->bits + y * image->rowstride); \
+ int i; \
+ \
+ for (i = 0; i < width; ++i) \
+ { \
+ convert_and_store_pixel ( \
+ image, dest, i + x, PIXMAN_ ## format, values[i]); \
+ } \
+ } \
+ \
+ static uint32_t \
+ fetch_pixel_ ## format (bits_image_t *image, \
+ int offset, \
+ int line) \
+ { \
+ uint8_t *bits = \
+ (uint8_t *)(image->bits + line * image->rowstride); \
+ \
+ return fetch_and_convert_pixel ((pixman_image_t *)image, \
+ bits, offset, PIXMAN_ ## format); \
+ } \
+ \
+ static const void *const __dummy__ ## format
+
+MAKE_ACCESSORS(a8r8g8b8);
+MAKE_ACCESSORS(x8r8g8b8);
+MAKE_ACCESSORS(a8b8g8r8);
+MAKE_ACCESSORS(x8b8g8r8);
+MAKE_ACCESSORS(x14r6g6b6);
+MAKE_ACCESSORS(b8g8r8a8);
+MAKE_ACCESSORS(b8g8r8x8);
+MAKE_ACCESSORS(r8g8b8x8);
+MAKE_ACCESSORS(r8g8b8a8);
+MAKE_ACCESSORS(r8g8b8);
+MAKE_ACCESSORS(b8g8r8);
+MAKE_ACCESSORS(r5g6b5);
+MAKE_ACCESSORS(b5g6r5);
+MAKE_ACCESSORS(a1r5g5b5);
+MAKE_ACCESSORS(x1r5g5b5);
+MAKE_ACCESSORS(a1b5g5r5);
+MAKE_ACCESSORS(x1b5g5r5);
+MAKE_ACCESSORS(a4r4g4b4);
+MAKE_ACCESSORS(x4r4g4b4);
+MAKE_ACCESSORS(a4b4g4r4);
+MAKE_ACCESSORS(x4b4g4r4);
+MAKE_ACCESSORS(a8);
+MAKE_ACCESSORS(c8);
+MAKE_ACCESSORS(g8);
+MAKE_ACCESSORS(r3g3b2);
+MAKE_ACCESSORS(b2g3r3);
+MAKE_ACCESSORS(a2r2g2b2);
+MAKE_ACCESSORS(a2b2g2r2);
+MAKE_ACCESSORS(x4a4);
+MAKE_ACCESSORS(a4);
+MAKE_ACCESSORS(g4);
+MAKE_ACCESSORS(c4);
+MAKE_ACCESSORS(r1g2b1);
+MAKE_ACCESSORS(b1g2r1);
+MAKE_ACCESSORS(a1r1g1b1);
+MAKE_ACCESSORS(a1b1g1r1);
+MAKE_ACCESSORS(a1);
+MAKE_ACCESSORS(g1);
+
+/********************************** Fetch ************************************/
+
/* Expects a uint64_t buffer */
static void
fetch_scanline_a2r10g10b10 (pixman_image_t *image,
@@ -404,698 +644,6 @@ fetch_scanline_x2b10g10r10 (pixman_image_t *image,
}
static void
-fetch_scanline_r8g8b8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint8_t *pixel = (const uint8_t *)bits + 3 * x;
- const uint8_t *end = pixel + 3 * width;
-
- while (pixel < end)
- {
- uint32_t b = 0xff000000;
-
-#ifdef WORDS_BIGENDIAN
- b |= (READ (image, pixel++) << 16);
- b |= (READ (image, pixel++) << 8);
- b |= (READ (image, pixel++));
-#else
- b |= (READ (image, pixel++));
- b |= (READ (image, pixel++) << 8);
- b |= (READ (image, pixel++) << 16);
-#endif
-
- *buffer++ = b;
- }
-}
-
-static void
-fetch_scanline_b8g8r8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint8_t *pixel = (const uint8_t *)bits + 3 * x;
- const uint8_t *end = pixel + 3 * width;
-
- while (pixel < end)
- {
- uint32_t b = 0xff000000;
-#ifdef WORDS_BIGENDIAN
- b |= (READ (image, pixel++));
- b |= (READ (image, pixel++) << 8);
- b |= (READ (image, pixel++) << 16);
-#else
- b |= (READ (image, pixel++) << 16);
- b |= (READ (image, pixel++) << 8);
- b |= (READ (image, pixel++));
-#endif
- *buffer++ = b;
- }
-}
-
-static void
-fetch_scanline_r5g6b5 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r = (((p) << 3) & 0xf8) |
- (((p) << 5) & 0xfc00) |
- (((p) << 8) & 0xf80000);
-
- r |= (r >> 5) & 0x70007;
- r |= (r >> 6) & 0x300;
-
- *buffer++ = 0xff000000 | r;
- }
-}
-
-static void
-fetch_scanline_b5g6r5 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b;
-
- b = ((p & 0xf800) | ((p & 0xe000) >> 5)) >> 8;
- g = ((p & 0x07e0) | ((p & 0x0600) >> 6)) << 5;
- r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14;
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a1r5g5b5 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b, a;
-
- a = (uint32_t) ((uint8_t) (0 - ((p & 0x8000) >> 15))) << 24;
- r = ((p & 0x7c00) | ((p & 0x7000) >> 5)) << 9;
- g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
- b = ((p & 0x001c) | ((p & 0x001f) << 5)) >> 2;
-
- *buffer++ = a | r | g | b;
- }
-}
-
-static void
-fetch_scanline_x1r5g5b5 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b;
-
- r = ((p & 0x7c00) | ((p & 0x7000) >> 5)) << 9;
- g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
- b = ((p & 0x001c) | ((p & 0x001f) << 5)) >> 2;
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a1b5g5r5 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
- uint32_t r, g, b, a;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
-
- a = (uint32_t) ((uint8_t) (0 - ((p & 0x8000) >> 15))) << 24;
- b = ((p & 0x7c00) | ((p & 0x7000) >> 5)) >> 7;
- g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
- r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14;
-
- *buffer++ = a | r | g | b;
- }
-}
-
-static void
-fetch_scanline_x1b5g5r5 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b;
-
- b = ((p & 0x7c00) | ((p & 0x7000) >> 5)) >> 7;
- g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
- r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14;
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a4r4g4b4 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b, a;
-
- a = ((p & 0xf000) | ((p & 0xf000) >> 4)) << 16;
- r = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12;
- g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
- b = ((p & 0x000f) | ((p & 0x000f) << 4));
-
- *buffer++ = a | r | g | b;
- }
-}
-
-static void
-fetch_scanline_x4r4g4b4 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b;
-
- r = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12;
- g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
- b = ((p & 0x000f) | ((p & 0x000f) << 4));
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a4b4g4r4 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b, a;
-
- a = ((p & 0xf000) | ((p & 0xf000) >> 4)) << 16;
- b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) >> 4;
- g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
- r = ((p & 0x000f) | ((p & 0x000f) << 4)) << 16;
-
- *buffer++ = a | r | g | b;
- }
-}
-
-static void
-fetch_scanline_x4b4g4r4 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint16_t *pixel = (const uint16_t *)bits + x;
- const uint16_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b;
-
- b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) >> 4;
- g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
- r = ((p & 0x000f) | ((p & 0x000f) << 4)) << 16;
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint8_t *pixel = (const uint8_t *)bits + x;
- const uint8_t *end = pixel + width;
-
- while (pixel < end)
- *buffer++ = READ (image, pixel++) << 24;
-}
-
-static void
-fetch_scanline_r3g3b2 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint8_t *pixel = (const uint8_t *)bits + x;
- const uint8_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b;
-
- r = ((p & 0xe0) | ((p & 0xe0) >> 3) | ((p & 0xc0) >> 6)) << 16;
- g = ((p & 0x1c) | ((p & 0x18) >> 3) | ((p & 0x1c) << 3)) << 8;
- b = (((p & 0x03) ) |
- ((p & 0x03) << 2) |
- ((p & 0x03) << 4) |
- ((p & 0x03) << 6));
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_b2g3r3 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint8_t *pixel = (const uint8_t *)bits + x;
- const uint8_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t r, g, b;
-
- b = p & 0xc0;
- b |= b >> 2;
- b |= b >> 4;
- b &= 0xff;
-
- g = (p & 0x38) << 10;
- g |= g >> 3;
- g |= g >> 6;
- g &= 0xff00;
-
- r = (p & 0x7) << 21;
- r |= r >> 3;
- r |= r >> 6;
- r &= 0xff0000;
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a2r2g2b2 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint8_t *pixel = (const uint8_t *)bits + x;
- const uint8_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t a, r, g, b;
-
- a = ((p & 0xc0) * 0x55) << 18;
- r = ((p & 0x30) * 0x55) << 12;
- g = ((p & 0x0c) * 0x55) << 6;
- b = ((p & 0x03) * 0x55);
-
- *buffer++ = a | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a2b2g2r2 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint8_t *pixel = (const uint8_t *)bits + x;
- const uint8_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint32_t a, r, g, b;
-
- a = ((p & 0xc0) * 0x55) << 18;
- b = ((p & 0x30) * 0x55) >> 4;
- g = ((p & 0x0c) * 0x55) << 6;
- r = ((p & 0x03) * 0x55) << 16;
-
- *buffer++ = a | r | g | b;
- }
-}
-
-static void
-fetch_scanline_c8 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const pixman_indexed_t * indexed = image->bits.indexed;
- const uint8_t *pixel = (const uint8_t *)bits + x;
- const uint8_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
-
- *buffer++ = indexed->rgba[p];
- }
-}
-
-static void
-fetch_scanline_x4a4 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const uint8_t *pixel = (const uint8_t *)bits + x;
- const uint8_t *end = pixel + width;
-
- while (pixel < end)
- {
- uint8_t p = READ (image, pixel++) & 0xf;
-
- *buffer++ = (p | (p << 4)) << 24;
- }
-}
-
-#define FETCH_8(img,l,o) (READ (img, (((uint8_t *)(l)) + ((o) >> 3))))
-#ifdef WORDS_BIGENDIAN
-#define FETCH_4(img,l,o) \
- (((4 * (o)) & 4) ? (FETCH_8 (img,l, 4 * (o)) & 0xf) : (FETCH_8 (img,l,(4 * (o))) >> 4))
-#else
-#define FETCH_4(img,l,o) \
- (((4 * (o)) & 4) ? (FETCH_8 (img, l, 4 * (o)) >> 4) : (FETCH_8 (img, l, (4 * (o))) & 0xf))
-#endif
-
-static void
-fetch_scanline_a4 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t p = FETCH_4 (image, bits, i + x);
-
- p |= p << 4;
-
- *buffer++ = p << 24;
- }
-}
-
-static void
-fetch_scanline_r1g2b1 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t p = FETCH_4 (image, bits, i + x);
- uint32_t r, g, b;
-
- r = ((p & 0x8) * 0xff) << 13;
- g = ((p & 0x6) * 0x55) << 7;
- b = ((p & 0x1) * 0xff);
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_b1g2r1 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t p = FETCH_4 (image, bits, i + x);
- uint32_t r, g, b;
-
- b = ((p & 0x8) * 0xff) >> 3;
- g = ((p & 0x6) * 0x55) << 7;
- r = ((p & 0x1) * 0xff) << 16;
-
- *buffer++ = 0xff000000 | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a1r1g1b1 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- uint32_t a, r, g, b;
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t p = FETCH_4 (image, bits, i + x);
-
- a = ((p & 0x8) * 0xff) << 21;
- r = ((p & 0x4) * 0xff) << 14;
- g = ((p & 0x2) * 0xff) << 7;
- b = ((p & 0x1) * 0xff);
-
- *buffer++ = a | r | g | b;
- }
-}
-
-static void
-fetch_scanline_a1b1g1r1 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t p = FETCH_4 (image, bits, i + x);
- uint32_t a, r, g, b;
-
- a = ((p & 0x8) * 0xff) << 21;
- b = ((p & 0x4) * 0xff) >> 2;
- g = ((p & 0x2) * 0xff) << 7;
- r = ((p & 0x1) * 0xff) << 16;
-
- *buffer++ = a | r | g | b;
- }
-}
-
-static void
-fetch_scanline_c4 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const pixman_indexed_t * indexed = image->bits.indexed;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t p = FETCH_4 (image, bits, i + x);
-
- *buffer++ = indexed->rgba[p];
- }
-}
-
-static void
-fetch_scanline_a1 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t p = READ (image, bits + ((i + x) >> 5));
- uint32_t a;
-
-#ifdef WORDS_BIGENDIAN
- a = p >> (0x1f - ((i + x) & 0x1f));
-#else
- a = p >> ((i + x) & 0x1f);
-#endif
- a = a & 1;
- a |= a << 1;
- a |= a << 2;
- a |= a << 4;
-
- *buffer++ = a << 24;
- }
-}
-
-static void
-fetch_scanline_g1 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
- const pixman_indexed_t * indexed = image->bits.indexed;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t p = READ (image, bits + ((i + x) >> 5));
- uint32_t a;
-
-#ifdef WORDS_BIGENDIAN
- a = p >> (0x1f - ((i + x) & 0x1f));
-#else
- a = p >> ((i + x) & 0x1f);
-#endif
- a = a & 1;
-
- *buffer++ = indexed->rgba[a];
- }
-}
-
-static void
fetch_scanline_yuy2 (pixman_image_t *image,
int x,
int line,
@@ -1257,576 +805,6 @@ fetch_pixel_x2b10g10r10 (bits_image_t *image,
}
static uint32_t
-fetch_pixel_a8r8g8b8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- return READ (image, (uint32_t *)bits + offset);
-}
-
-static uint32_t
-fetch_pixel_x8r8g8b8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
-
- return READ (image, (uint32_t *)bits + offset) | 0xff000000;
-}
-
-static uint32_t
-fetch_pixel_a8b8g8r8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint32_t *)bits + offset);
-
- return ((pixel & 0xff000000) |
- ((pixel >> 16) & 0xff) |
- (pixel & 0x0000ff00) |
- ((pixel & 0xff) << 16));
-}
-
-static uint32_t
-fetch_pixel_x8b8g8r8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint32_t *)bits + offset);
-
- return ((0xff000000) |
- ((pixel >> 16) & 0xff) |
- (pixel & 0x0000ff00) |
- ((pixel & 0xff) << 16));
-}
-
-static uint32_t
-fetch_pixel_b8g8r8a8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint32_t *)bits + offset);
-
- return ((pixel & 0xff000000) >> 24 |
- (pixel & 0x00ff0000) >> 8 |
- (pixel & 0x0000ff00) << 8 |
- (pixel & 0x000000ff) << 24);
-}
-
-static uint32_t
-fetch_pixel_b8g8r8x8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint32_t *)bits + offset);
-
- return ((0xff000000) |
- (pixel & 0xff000000) >> 24 |
- (pixel & 0x00ff0000) >> 8 |
- (pixel & 0x0000ff00) << 8);
-}
-
-static uint32_t
-fetch_pixel_r8g8b8a8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint32_t *)bits + offset);
-
- return (((pixel & 0x000000ff) << 24) | (pixel >> 8));
-}
-
-static uint32_t
-fetch_pixel_r8g8b8x8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint32_t *)bits + offset);
-
- return (0xff000000 | (pixel >> 8));
-}
-
-static uint32_t
-fetch_pixel_x14r6g6b6 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint32_t *) bits + offset);
- uint32_t r, g, b;
-
- r = ((pixel & 0x3f000) << 6) | ((pixel & 0x30000));
- g = ((pixel & 0x00fc0) << 4) | ((pixel & 0x00c00) >> 2);
- b = ((pixel & 0x0003f) << 2) | ((pixel & 0x00030) >> 4);
-
- return 0xff000000 | r | g | b;
-}
-
-static uint32_t
-fetch_pixel_r8g8b8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint8_t *pixel = ((uint8_t *) bits) + (offset * 3);
-
-#ifdef WORDS_BIGENDIAN
- return (0xff000000 |
- (READ (image, pixel + 0) << 16) |
- (READ (image, pixel + 1) << 8) |
- (READ (image, pixel + 2)));
-#else
- return (0xff000000 |
- (READ (image, pixel + 2) << 16) |
- (READ (image, pixel + 1) << 8) |
- (READ (image, pixel + 0)));
-#endif
-}
-
-static uint32_t
-fetch_pixel_b8g8r8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint8_t *pixel = ((uint8_t *) bits) + (offset * 3);
-#ifdef WORDS_BIGENDIAN
- return (0xff000000 |
- (READ (image, pixel + 2) << 16) |
- (READ (image, pixel + 1) << 8) |
- (READ (image, pixel + 0)));
-#else
- return (0xff000000 |
- (READ (image, pixel + 0) << 16) |
- (READ (image, pixel + 1) << 8) |
- (READ (image, pixel + 2)));
-#endif
-}
-
-static uint32_t
-fetch_pixel_r5g6b5 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t r, g, b;
-
- r = ((pixel & 0xf800) | ((pixel & 0xe000) >> 5)) << 8;
- g = ((pixel & 0x07e0) | ((pixel & 0x0600) >> 6)) << 5;
- b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
-
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_b5g6r5 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t r, g, b;
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
-
- b = ((pixel & 0xf800) | ((pixel & 0xe000) >> 5)) >> 8;
- g = ((pixel & 0x07e0) | ((pixel & 0x0600) >> 6)) << 5;
- r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
-
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_a1r5g5b5 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t a, r, g, b;
-
- a = (uint32_t) ((uint8_t) (0 - ((pixel & 0x8000) >> 15))) << 24;
- r = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) << 9;
- g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
- b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
-
- return (a | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_x1r5g5b5 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t r, g, b;
-
- r = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) << 9;
- g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
- b = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) >> 2;
-
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_a1b5g5r5 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t a, r, g, b;
-
- a = (uint32_t) ((uint8_t) (0 - ((pixel & 0x8000) >> 15))) << 24;
- b = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) >> 7;
- g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
- r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
-
- return (a | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_x1b5g5r5 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t r, g, b;
-
- b = ((pixel & 0x7c00) | ((pixel & 0x7000) >> 5)) >> 7;
- g = ((pixel & 0x03e0) | ((pixel & 0x0380) >> 5)) << 6;
- r = ((pixel & 0x001c) | ((pixel & 0x001f) << 5)) << 14;
-
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_a4r4g4b4 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t a, r, g, b;
-
- a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16;
- r = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
- g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- b = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
-
- return (a | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_x4r4g4b4 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t r, g, b;
-
- r = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
- g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- b = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
-
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_a4b4g4r4 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t a, r, g, b;
-
- a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16;
- b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) >> 4;
- g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4)) << 16;
-
- return (a | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_x4b4g4r4 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint16_t *) bits + offset);
- uint32_t r, g, b;
-
- b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) >> 4;
- g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4)) << 16;
-
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_a8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint8_t *) bits + offset);
-
- return pixel << 24;
-}
-
-static uint32_t
-fetch_pixel_r3g3b2 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint8_t *) bits + offset);
- uint32_t r, g, b;
-
- r = ((pixel & 0xe0) |
- ((pixel & 0xe0) >> 3) |
- ((pixel & 0xc0) >> 6)) << 16;
-
- g = ((pixel & 0x1c) |
- ((pixel & 0x18) >> 3) |
- ((pixel & 0x1c) << 3)) << 8;
-
- b = (((pixel & 0x03) ) |
- ((pixel & 0x03) << 2) |
- ((pixel & 0x03) << 4) |
- ((pixel & 0x03) << 6));
-
- return (0xff000000 | r | g | b);
-}
-
-static uint32_t
-fetch_pixel_b2g3r3 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t p = READ (image, (uint8_t *) bits + offset);
- uint32_t r, g, b;
-
- b = p & 0xc0;
- b |= b >> 2;
- b |= b >> 4;
- b &= 0xff;
-
- g = (p & 0x38) << 10;
- g |= g >> 3;
- g |= g >> 6;
- g &= 0xff00;
-
- r = (p & 0x7) << 21;
- r |= r >> 3;
- r |= r >> 6;
- r &= 0xff0000;
-
- return 0xff000000 | r | g | b;
-}
-
-static uint32_t
-fetch_pixel_a2r2g2b2 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint8_t *) bits + offset);
- uint32_t a, r, g, b;
-
- a = ((pixel & 0xc0) * 0x55) << 18;
- r = ((pixel & 0x30) * 0x55) << 12;
- g = ((pixel & 0x0c) * 0x55) << 6;
- b = ((pixel & 0x03) * 0x55);
-
- return a | r | g | b;
-}
-
-static uint32_t
-fetch_pixel_a2b2g2r2 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint8_t *) bits + offset);
- uint32_t a, r, g, b;
-
- a = ((pixel & 0xc0) * 0x55) << 18;
- b = ((pixel & 0x30) * 0x55) >> 4;
- g = ((pixel & 0x0c) * 0x55) << 6;
- r = ((pixel & 0x03) * 0x55) << 16;
-
- return a | r | g | b;
-}
-
-static uint32_t
-fetch_pixel_c8 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint8_t *) bits + offset);
- const pixman_indexed_t * indexed = image->indexed;
-
- return indexed->rgba[pixel];
-}
-
-static uint32_t
-fetch_pixel_x4a4 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, (uint8_t *) bits + offset);
-
- return ((pixel & 0xf) | ((pixel & 0xf) << 4)) << 24;
-}
-
-static uint32_t
-fetch_pixel_a4 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = FETCH_4 (image, bits, offset);
-
- pixel |= pixel << 4;
- return pixel << 24;
-}
-
-static uint32_t
-fetch_pixel_r1g2b1 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = FETCH_4 (image, bits, offset);
- uint32_t r, g, b;
-
- r = ((pixel & 0x8) * 0xff) << 13;
- g = ((pixel & 0x6) * 0x55) << 7;
- b = ((pixel & 0x1) * 0xff);
-
- return 0xff000000 | r | g | b;
-}
-
-static uint32_t
-fetch_pixel_b1g2r1 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = FETCH_4 (image, bits, offset);
- uint32_t r, g, b;
-
- b = ((pixel & 0x8) * 0xff) >> 3;
- g = ((pixel & 0x6) * 0x55) << 7;
- r = ((pixel & 0x1) * 0xff) << 16;
-
- return 0xff000000 | r | g | b;
-}
-
-static uint32_t
-fetch_pixel_a1r1g1b1 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = FETCH_4 (image, bits, offset);
- uint32_t a, r, g, b;
-
- a = ((pixel & 0x8) * 0xff) << 21;
- r = ((pixel & 0x4) * 0xff) << 14;
- g = ((pixel & 0x2) * 0xff) << 7;
- b = ((pixel & 0x1) * 0xff);
-
- return a | r | g | b;
-}
-
-static uint32_t
-fetch_pixel_a1b1g1r1 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = FETCH_4 (image, bits, offset);
- uint32_t a, r, g, b;
-
- a = ((pixel & 0x8) * 0xff) << 21;
- b = ((pixel & 0x4) * 0xff) >> 2;
- g = ((pixel & 0x2) * 0xff) << 7;
- r = ((pixel & 0x1) * 0xff) << 16;
-
- return a | r | g | b;
-}
-
-static uint32_t
-fetch_pixel_c4 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = FETCH_4 (image, bits, offset);
- const pixman_indexed_t * indexed = image->indexed;
-
- return indexed->rgba[pixel];
-}
-
-static uint32_t
-fetch_pixel_a1 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, bits + (offset >> 5));
- uint32_t a;
-
-#ifdef WORDS_BIGENDIAN
- a = pixel >> (0x1f - (offset & 0x1f));
-#else
- a = pixel >> (offset & 0x1f);
-#endif
- a = a & 1;
- a |= a << 1;
- a |= a << 2;
- a |= a << 4;
-
- return a << 24;
-}
-
-static uint32_t
-fetch_pixel_g1 (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t pixel = READ (image, bits + (offset >> 5));
- const pixman_indexed_t * indexed = image->indexed;
- uint32_t a;
-
-#ifdef WORDS_BIGENDIAN
- a = pixel >> (0x1f - (offset & 0x1f));
-#else
- a = pixel >> (offset & 0x1f);
-#endif
- a = a & 1;
-
- return indexed->rgba[a];
-}
-
-static uint32_t
fetch_pixel_yuy2 (bits_image_t *image,
int offset,
int line)
@@ -1883,17 +861,6 @@ fetch_pixel_yv12 (bits_image_t *image,
/*********************************** Store ************************************/
-#define SPLIT_A(v) \
- uint32_t a = ((v) >> 24), \
- r = ((v) >> 16) & 0xff, \
- g = ((v) >> 8) & 0xff, \
- b = (v) & 0xff
-
-#define SPLIT(v) \
- uint32_t r = ((v) >> 16) & 0xff, \
- g = ((v) >> 8) & 0xff, \
- b = (v) & 0xff
-
static void
store_scanline_a2r10g10b10 (bits_image_t * image,
int x,
@@ -1980,829 +947,6 @@ store_scanline_x2b10g10r10 (bits_image_t * image,
}
}
-static void
-store_scanline_a8r8g8b8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
-
- MEMCPY_WRAPPED (image, ((uint32_t *)bits) + x, values,
- width * sizeof(uint32_t));
-}
-
-static void
-store_scanline_x8r8g8b8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = (uint32_t *)bits + x;
- int i;
-
- for (i = 0; i < width; ++i)
- WRITE (image, pixel++, values[i] & 0xffffff);
-}
-
-static void
-store_scanline_a8b8g8r8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = (uint32_t *)bits + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- WRITE (image, pixel++,
- (values[i] & 0xff00ff00) |
- ((values[i] >> 16) & 0xff) |
- ((values[i] & 0xff) << 16));
- }
-}
-
-static void
-store_scanline_x8b8g8r8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = (uint32_t *)bits + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- WRITE (image, pixel++,
- (values[i] & 0x0000ff00) |
- ((values[i] >> 16) & 0xff) |
- ((values[i] & 0xff) << 16));
- }
-}
-
-static void
-store_scanline_b8g8r8a8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = (uint32_t *)bits + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- WRITE (image, pixel++,
- ((values[i] >> 24) & 0x000000ff) |
- ((values[i] >> 8) & 0x0000ff00) |
- ((values[i] << 8) & 0x00ff0000) |
- ((values[i] << 24) & 0xff000000));
- }
-}
-
-static void
-store_scanline_b8g8r8x8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = (uint32_t *)bits + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- WRITE (image, pixel++,
- ((values[i] >> 8) & 0x0000ff00) |
- ((values[i] << 8) & 0x00ff0000) |
- ((values[i] << 24) & 0xff000000));
- }
-}
-
-static void
-store_scanline_r8g8b8a8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = (uint32_t *)bits + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- WRITE (image, pixel++,
- ((values[i] >> 24) & 0x000000ff) | (values[i] << 8));
- }
-}
-
-static void
-store_scanline_r8g8b8x8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = (uint32_t *)bits + x;
- int i;
-
- for (i = 0; i < width; ++i)
- WRITE (image, pixel++, (values[i] << 8));
-}
-
-static void
-store_scanline_x14r6g6b6 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = ((uint32_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t s = values[i];
- uint32_t r, g, b;
-
- r = (s & 0xfc0000) >> 6;
- g = (s & 0x00fc00) >> 4;
- b = (s & 0x0000fc) >> 2;
-
- WRITE (image, pixel++, r | g | b);
- }
-}
-
-static void
-store_scanline_r8g8b8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + 3 * x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t val = values[i];
-
-#ifdef WORDS_BIGENDIAN
- WRITE (image, pixel++, (val & 0x00ff0000) >> 16);
- WRITE (image, pixel++, (val & 0x0000ff00) >> 8);
- WRITE (image, pixel++, (val & 0x000000ff) >> 0);
-#else
- WRITE (image, pixel++, (val & 0x000000ff) >> 0);
- WRITE (image, pixel++, (val & 0x0000ff00) >> 8);
- WRITE (image, pixel++, (val & 0x00ff0000) >> 16);
-#endif
- }
-}
-
-static void
-store_scanline_b8g8r8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + 3 * x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t val = values[i];
-
-#ifdef WORDS_BIGENDIAN
- WRITE (image, pixel++, (val & 0x000000ff) >> 0);
- WRITE (image, pixel++, (val & 0x0000ff00) >> 8);
- WRITE (image, pixel++, (val & 0x00ff0000) >> 16);
-#else
- WRITE (image, pixel++, (val & 0x00ff0000) >> 16);
- WRITE (image, pixel++, (val & 0x0000ff00) >> 8);
- WRITE (image, pixel++, (val & 0x000000ff) >> 0);
-#endif
- }
-}
-
-static void
-store_scanline_r5g6b5 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t s = values[i];
-
- WRITE (image, pixel++,
- ((s >> 3) & 0x001f) |
- ((s >> 5) & 0x07e0) |
- ((s >> 8) & 0xf800));
- }
-}
-
-static void
-store_scanline_b5g6r5 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT (values[i]);
-
- WRITE (image, pixel++,
- ((b << 8) & 0xf800) |
- ((g << 3) & 0x07e0) |
- ((r >> 3) ));
- }
-}
-
-static void
-store_scanline_a1r5g5b5 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT_A (values[i]);
-
- WRITE (image, pixel++,
- ((a << 8) & 0x8000) |
- ((r << 7) & 0x7c00) |
- ((g << 2) & 0x03e0) |
- ((b >> 3) ));
- }
-}
-
-static void
-store_scanline_x1r5g5b5 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT (values[i]);
-
- WRITE (image, pixel++,
- ((r << 7) & 0x7c00) |
- ((g << 2) & 0x03e0) |
- ((b >> 3) ));
- }
-}
-
-static void
-store_scanline_a1b5g5r5 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT_A (values[i]);
-
- WRITE (image, pixel++,
- ((a << 8) & 0x8000) |
- ((b << 7) & 0x7c00) |
- ((g << 2) & 0x03e0) |
- ((r >> 3) ));
- }
-}
-
-static void
-store_scanline_x1b5g5r5 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT (values[i]);
-
- WRITE (image, pixel++, ((b << 7) & 0x7c00) |
- ((g << 2) & 0x03e0) |
- ((r >> 3) ));
- }
-}
-
-static void
-store_scanline_a4r4g4b4 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT_A (values[i]);
-
- WRITE (image, pixel++,
- ((a << 8) & 0xf000) |
- ((r << 4) & 0x0f00) |
- ((g ) & 0x00f0) |
- ((b >> 4) ));
- }
-}
-
-static void
-store_scanline_x4r4g4b4 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT (values[i]);
-
- WRITE (image, pixel++,
- ((r << 4) & 0x0f00) |
- ((g ) & 0x00f0) |
- ((b >> 4) ));
- }
-}
-
-static void
-store_scanline_a4b4g4r4 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT_A (values[i]);
- WRITE (image, pixel++, ((a << 8) & 0xf000) |
- ((b << 4) & 0x0f00) |
- ((g ) & 0x00f0) |
- ((r >> 4) ));
- }
-}
-
-static void
-store_scanline_x4b4g4r4 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint16_t *pixel = ((uint16_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT (values[i]);
-
- WRITE (image, pixel++,
- ((b << 4) & 0x0f00) |
- ((g ) & 0x00f0) |
- ((r >> 4) ));
- }
-}
-
-static void
-store_scanline_a8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- WRITE (image, pixel++, values[i] >> 24);
- }
-}
-
-static void
-store_scanline_r3g3b2 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT (values[i]);
-
- WRITE (image, pixel++,
- ((r ) & 0xe0) |
- ((g >> 3) & 0x1c) |
- ((b >> 6) ));
- }
-}
-
-static void
-store_scanline_b2g3r3 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT (values[i]);
-
- WRITE (image, pixel++,
- ((b ) & 0xc0) |
- ((g >> 2) & 0x38) |
- ((r >> 5) ));
- }
-}
-
-static void
-store_scanline_a2r2g2b2 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT_A (values[i]);
-
- WRITE (image, pixel++,
- ((a ) & 0xc0) |
- ((r >> 2) & 0x30) |
- ((g >> 4) & 0x0c) |
- ((b >> 6) ));
- }
-}
-
-static void
-store_scanline_a2b2g2r2 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- SPLIT_A (values[i]);
-
- WRITE (image, pixel++,
- ((a ) & 0xc0) |
- ((b >> 2) & 0x30) |
- ((g >> 4) & 0x0c) |
- ((r >> 6) ));
- }
-}
-
-static void
-store_scanline_c8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + x;
- const pixman_indexed_t *indexed = image->indexed;
- int i;
-
- for (i = 0; i < width; ++i)
- WRITE (image, pixel++, RGB24_TO_ENTRY (indexed,values[i]));
-}
-
-static void
-store_scanline_g8 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + x;
- const pixman_indexed_t *indexed = image->indexed;
- int i;
-
- for (i = 0; i < width; ++i)
- WRITE (image, pixel++, RGB24_TO_ENTRY_Y (indexed,values[i]));
-}
-
-static void
-store_scanline_x4a4 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint8_t *pixel = ((uint8_t *) bits) + x;
- int i;
-
- for (i = 0; i < width; ++i)
- WRITE (image, pixel++, values[i] >> 28);
-}
-
-#define STORE_8(img,l,o,v) (WRITE (img, (uint8_t *)(l) + ((o) >> 3), (v)))
-#ifdef WORDS_BIGENDIAN
-
-#define STORE_4(img,l,o,v) \
- do \
- { \
- int bo = 4 * (o); \
- int v4 = (v) & 0x0f; \
- \
- STORE_8 (img, l, bo, ( \
- bo & 4 ? \
- (FETCH_8 (img, l, bo) & 0xf0) | (v4) : \
- (FETCH_8 (img, l, bo) & 0x0f) | (v4 << 4))); \
- } while (0)
-#else
-
-#define STORE_4(img,l,o,v) \
- do \
- { \
- int bo = 4 * (o); \
- int v4 = (v) & 0x0f; \
- \
- STORE_8 (img, l, bo, ( \
- bo & 4 ? \
- (FETCH_8 (img, l, bo) & 0x0f) | (v4 << 4) : \
- (FETCH_8 (img, l, bo) & 0xf0) | (v4))); \
- } while (0)
-#endif
-
-static void
-store_scanline_a4 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- int i;
-
- for (i = 0; i < width; ++i)
- STORE_4 (image, bits, i + x, values[i] >> 28);
-}
-
-static void
-store_scanline_r1g2b1 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t pixel;
-
- SPLIT (values[i]);
- pixel = (((r >> 4) & 0x8) |
- ((g >> 5) & 0x6) |
- ((b >> 7) ));
- STORE_4 (image, bits, i + x, pixel);
- }
-}
-
-static void
-store_scanline_b1g2r1 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t pixel;
-
- SPLIT (values[i]);
- pixel = (((b >> 4) & 0x8) |
- ((g >> 5) & 0x6) |
- ((r >> 7) ));
- STORE_4 (image, bits, i + x, pixel);
- }
-}
-
-static void
-store_scanline_a1r1g1b1 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t pixel;
-
- SPLIT_A (values[i]);
- pixel = (((a >> 4) & 0x8) |
- ((r >> 5) & 0x4) |
- ((g >> 6) & 0x2) |
- ((b >> 7) ));
-
- STORE_4 (image, bits, i + x, pixel);
- }
-}
-
-static void
-store_scanline_a1b1g1r1 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t pixel;
-
- SPLIT_A (values[i]);
- pixel = (((a >> 4) & 0x8) |
- ((b >> 5) & 0x4) |
- ((g >> 6) & 0x2) |
- ((r >> 7) ));
-
- STORE_4 (image, bits, i + x, pixel);
- }
-}
-
-static void
-store_scanline_c4 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- const pixman_indexed_t *indexed = image->indexed;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t pixel;
-
- pixel = RGB24_TO_ENTRY (indexed, values[i]);
- STORE_4 (image, bits, i + x, pixel);
- }
-}
-
-static void
-store_scanline_g4 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- const pixman_indexed_t *indexed = image->indexed;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t pixel;
-
- pixel = RGB24_TO_ENTRY_Y (indexed, values[i]);
- STORE_4 (image, bits, i + x, pixel);
- }
-}
-
-static void
-store_scanline_a1 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t *pixel = ((uint32_t *) bits) + ((i + x) >> 5);
- uint32_t mask, v;
-
-#ifdef WORDS_BIGENDIAN
- mask = 1 << (0x1f - ((i + x) & 0x1f));
-#else
- mask = 1 << ((i + x) & 0x1f);
-#endif
- v = values[i] & 0x80000000 ? mask : 0;
-
- WRITE (image, pixel, (READ (image, pixel) & ~mask) | v);
- }
-}
-
-static void
-store_scanline_g1 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- const pixman_indexed_t *indexed = image->indexed;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t *pixel = ((uint32_t *) bits) + ((i + x) >> 5);
- uint32_t mask, v;
-
-#ifdef WORDS_BIGENDIAN
- mask = 1 << (0x1f - ((i + x) & 0x1f));
-#else
- mask = 1 << ((i + x) & 0x1f);
-#endif
- v = RGB24_TO_ENTRY_Y (indexed, values[i]) & 0x1 ? mask : 0;
-
- WRITE (image, pixel, (READ (image, pixel) & ~mask) | v);
- }
-}
-
/*
* Contracts a 64bpp image to 32bpp and then stores it using a regular 32-bit
* store proc. Despite the type, this function expects a uint64_t buffer.
@@ -2844,7 +988,7 @@ fetch_scanline_generic_64 (pixman_image_t *image,
const uint32_t *mask)
{
pixman_format_code_t format;
-
+
/* Fetch the pixels into the first half of buffer and then expand them in
* place.
*/
@@ -2858,10 +1002,10 @@ fetch_scanline_generic_64 (pixman_image_t *image,
* precision, so when expanding we shouldn't correct
* for the width of the channels
*/
-
+
format = PIXMAN_a8r8g8b8;
}
-
+
pixman_expand ((uint64_t *)buffer, buffer, format, width);
}
@@ -2883,10 +1027,10 @@ fetch_pixel_generic_64 (bits_image_t *image,
* precision, so when expanding we shouldn't correct
* for the width of the channels
*/
-
+
format = PIXMAN_a8r8g8b8;
}
-
+
pixman_expand ((uint64_t *)&result, &pixel32, format, 1);
return result;
@@ -2905,7 +1049,7 @@ fetch_pixel_generic_lossy_32 (bits_image_t *image,
{
uint64_t pixel64 = image->fetch_pixel_64 (image, offset, line);
uint32_t result;
-
+
pixman_contract (&result, &pixel64, 1);
return result;
@@ -2970,8 +1114,6 @@ static const format_info_t accessors[] =
FORMAT_INFO (c8),
-#define fetch_scanline_g8 fetch_scanline_c8
-#define fetch_pixel_g8 fetch_pixel_c8
FORMAT_INFO (g8),
#define fetch_scanline_x4c4 fetch_scanline_c8
@@ -2979,8 +1121,8 @@ static const format_info_t accessors[] =
#define store_scanline_x4c4 store_scanline_c8
FORMAT_INFO (x4c4),
-#define fetch_scanline_x4g4 fetch_scanline_c8
-#define fetch_pixel_x4g4 fetch_pixel_c8
+#define fetch_scanline_x4g4 fetch_scanline_g8
+#define fetch_pixel_x4g4 fetch_pixel_g8
#define store_scanline_x4g4 store_scanline_g8
FORMAT_INFO (x4g4),
@@ -2995,8 +1137,6 @@ static const format_info_t accessors[] =
FORMAT_INFO (c4),
-#define fetch_scanline_g4 fetch_scanline_c4
-#define fetch_pixel_g4 fetch_pixel_c4
FORMAT_INFO (g4),
/* 1bpp formats */
diff --git a/pixman/pixman/pixman-combine.c.template b/pixman/pixman/pixman-combine.c.template
index 806a18498..c17bcea5d 100644
--- a/pixman/pixman/pixman-combine.c.template
+++ b/pixman/pixman/pixman-combine.c.template
@@ -1143,9 +1143,7 @@ PDF_NON_SEPARABLE_BLEND_MODE (hsl_luminosity)
#undef CH_MIN
#undef PDF_NON_SEPARABLE_BLEND_MODE
-/* Overlay
- *
- * All of the disjoint composing functions
+/* All of the disjoint/conjoint composing functions
*
* The four entries in the first column indicate what source contributions
* come from each of the four areas of the picture -- areas covered by neither
@@ -1166,6 +1164,9 @@ PDF_NON_SEPARABLE_BLEND_MODE (hsl_luminosity)
* (0,0,B,A) max(1-(1-b)/a,0) min(1,(1-a)/b) min(1,b/a) max(1-a/b,0)
* (0,A,0,B) min(1,(1-b)/a) max(1-(1-a)/b,0) max(1-b/a,0) min(1,a/b)
* (0,A,B,0) min(1,(1-b)/a) min(1,(1-a)/b) max(1-b/a,0) max(1-a/b,0)
+ *
+ * See http://marc.info/?l=xfree-render&m=99792000027857&w=2 for more
+ * information about these operators.
*/
#define COMBINE_A_OUT 1
diff --git a/pixman/pixman/pixman-fast-path.c b/pixman/pixman/pixman-fast-path.c
index bbdc8e8b0..033efd7b1 100644
--- a/pixman/pixman/pixman-fast-path.c
+++ b/pixman/pixman/pixman-fast-path.c
@@ -1764,7 +1764,7 @@ static const pixman_fast_path_t c_fast_paths[] =
#define SIMPLE_ROTATE_FLAGS(angle) \
(FAST_PATH_ROTATE_ ## angle ## _TRANSFORM | \
FAST_PATH_NEAREST_FILTER | \
- FAST_PATH_SAMPLES_COVER_CLIP | \
+ FAST_PATH_SAMPLES_COVER_CLIP_NEAREST | \
FAST_PATH_STANDARD_FLAGS)
#define SIMPLE_ROTATE_FAST_PATH(op,s,d,suffix) \
diff --git a/pixman/pixman/pixman-image.c b/pixman/pixman/pixman-image.c
index 84bacf87e..a3bb9b63a 100644
--- a/pixman/pixman/pixman-image.c
+++ b/pixman/pixman/pixman-image.c
@@ -250,6 +250,47 @@ compute_image_info (pixman_image_t *image)
case PIXMAN_FILTER_GOOD:
case PIXMAN_FILTER_BEST:
flags |= (FAST_PATH_BILINEAR_FILTER | FAST_PATH_NO_CONVOLUTION_FILTER);
+
+ /* Here we have a chance to optimize BILINEAR filter to NEAREST if
+ * they are equivalent for the currently used transformation matrix.
+ */
+ if (flags & FAST_PATH_ID_TRANSFORM)
+ {
+ flags |= FAST_PATH_NEAREST_FILTER;
+ }
+ else if (
+ /* affine and integer translation components in matrix ... */
+ ((flags & FAST_PATH_AFFINE_TRANSFORM) &&
+ !pixman_fixed_frac (image->common.transform->matrix[0][2] |
+ image->common.transform->matrix[1][2])) &&
+ (
+ /* ... combined with a simple rotation */
+ (flags & (FAST_PATH_ROTATE_90_TRANSFORM |
+ FAST_PATH_ROTATE_180_TRANSFORM |
+ FAST_PATH_ROTATE_270_TRANSFORM)) ||
+ /* ... or combined with a simple non-rotated translation */
+ (image->common.transform->matrix[0][0] == pixman_fixed_1 &&
+ image->common.transform->matrix[1][1] == pixman_fixed_1 &&
+ image->common.transform->matrix[0][1] == 0 &&
+ image->common.transform->matrix[1][0] == 0)
+ )
+ )
+ {
+ /* FIXME: there are some affine-test failures, showing that
+ * handling of BILINEAR and NEAREST filter is not quite
+ * equivalent when getting close to 32K for the translation
+ * components of the matrix. That's likely some bug, but for
+ * now just skip BILINEAR->NEAREST optimization in this case.
+ */
+ pixman_fixed_t magic_limit = pixman_int_to_fixed (30000);
+ if (image->common.transform->matrix[0][2] <= magic_limit &&
+ image->common.transform->matrix[1][2] <= magic_limit &&
+ image->common.transform->matrix[0][2] >= -magic_limit &&
+ image->common.transform->matrix[1][2] >= -magic_limit)
+ {
+ flags |= FAST_PATH_NEAREST_FILTER;
+ }
+ }
break;
case PIXMAN_FILTER_CONVOLUTION:
diff --git a/pixman/pixman/pixman-inlines.h b/pixman/pixman/pixman-inlines.h
index f1e0cbd77..3532867a4 100644
--- a/pixman/pixman/pixman-inlines.h
+++ b/pixman/pixman/pixman-inlines.h
@@ -585,7 +585,7 @@ fast_composite_scaled_nearest ## scale_func_name (pixman_implementation_t *imp,
#define SIMPLE_NEAREST_FAST_PATH_COVER(op,s,d,func) \
{ PIXMAN_OP_ ## op, \
PIXMAN_ ## s, \
- SCALED_NEAREST_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP, \
+ SCALED_NEAREST_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP_NEAREST, \
PIXMAN_null, 0, \
PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
fast_composite_scaled_nearest_ ## func ## _cover ## _ ## op, \
@@ -627,7 +627,7 @@ fast_composite_scaled_nearest ## scale_func_name (pixman_implementation_t *imp,
#define SIMPLE_NEAREST_A8_MASK_FAST_PATH_COVER(op,s,d,func) \
{ PIXMAN_OP_ ## op, \
PIXMAN_ ## s, \
- SCALED_NEAREST_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP, \
+ SCALED_NEAREST_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP_NEAREST, \
PIXMAN_a8, MASK_FLAGS (a8, FAST_PATH_UNIFIED_ALPHA), \
PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
fast_composite_scaled_nearest_ ## func ## _cover ## _ ## op, \
@@ -669,7 +669,7 @@ fast_composite_scaled_nearest ## scale_func_name (pixman_implementation_t *imp,
#define SIMPLE_NEAREST_SOLID_MASK_FAST_PATH_COVER(op,s,d,func) \
{ PIXMAN_OP_ ## op, \
PIXMAN_ ## s, \
- SCALED_NEAREST_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP, \
+ SCALED_NEAREST_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP_NEAREST, \
PIXMAN_solid, MASK_FLAGS (solid, FAST_PATH_UNIFIED_ALPHA), \
PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
fast_composite_scaled_nearest_ ## func ## _cover ## _ ## op, \
@@ -1157,7 +1157,7 @@ fast_composite_scaled_bilinear ## scale_func_name (pixman_implementation_t *imp,
#define SIMPLE_BILINEAR_FAST_PATH_COVER(op,s,d,func) \
{ PIXMAN_OP_ ## op, \
PIXMAN_ ## s, \
- SCALED_BILINEAR_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP, \
+ SCALED_BILINEAR_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR, \
PIXMAN_null, 0, \
PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
fast_composite_scaled_bilinear_ ## func ## _cover ## _ ## op, \
@@ -1199,7 +1199,7 @@ fast_composite_scaled_bilinear ## scale_func_name (pixman_implementation_t *imp,
#define SIMPLE_BILINEAR_A8_MASK_FAST_PATH_COVER(op,s,d,func) \
{ PIXMAN_OP_ ## op, \
PIXMAN_ ## s, \
- SCALED_BILINEAR_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP, \
+ SCALED_BILINEAR_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR, \
PIXMAN_a8, MASK_FLAGS (a8, FAST_PATH_UNIFIED_ALPHA), \
PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
fast_composite_scaled_bilinear_ ## func ## _cover ## _ ## op, \
@@ -1241,7 +1241,7 @@ fast_composite_scaled_bilinear ## scale_func_name (pixman_implementation_t *imp,
#define SIMPLE_BILINEAR_SOLID_MASK_FAST_PATH_COVER(op,s,d,func) \
{ PIXMAN_OP_ ## op, \
PIXMAN_ ## s, \
- SCALED_BILINEAR_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP, \
+ SCALED_BILINEAR_FLAGS | FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR, \
PIXMAN_solid, MASK_FLAGS (solid, FAST_PATH_UNIFIED_ALPHA), \
PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \
fast_composite_scaled_bilinear_ ## func ## _cover ## _ ## op, \
diff --git a/pixman/pixman/pixman-private.h b/pixman/pixman/pixman-private.h
index a25897d77..6e716c6e6 100644
--- a/pixman/pixman/pixman-private.h
+++ b/pixman/pixman/pixman-private.h
@@ -609,14 +609,15 @@ _pixman_iter_get_scanline_noop (pixman_iter_t *iter, const uint32_t *mask);
#define FAST_PATH_IS_OPAQUE (1 << 13)
#define FAST_PATH_NO_NORMAL_REPEAT (1 << 14)
#define FAST_PATH_NO_NONE_REPEAT (1 << 15)
-#define FAST_PATH_SAMPLES_COVER_CLIP (1 << 16)
-#define FAST_PATH_X_UNIT_POSITIVE (1 << 17)
-#define FAST_PATH_AFFINE_TRANSFORM (1 << 18)
-#define FAST_PATH_Y_UNIT_ZERO (1 << 19)
-#define FAST_PATH_BILINEAR_FILTER (1 << 20)
-#define FAST_PATH_ROTATE_90_TRANSFORM (1 << 21)
-#define FAST_PATH_ROTATE_180_TRANSFORM (1 << 22)
-#define FAST_PATH_ROTATE_270_TRANSFORM (1 << 23)
+#define FAST_PATH_X_UNIT_POSITIVE (1 << 16)
+#define FAST_PATH_AFFINE_TRANSFORM (1 << 17)
+#define FAST_PATH_Y_UNIT_ZERO (1 << 18)
+#define FAST_PATH_BILINEAR_FILTER (1 << 19)
+#define FAST_PATH_ROTATE_90_TRANSFORM (1 << 20)
+#define FAST_PATH_ROTATE_180_TRANSFORM (1 << 21)
+#define FAST_PATH_ROTATE_270_TRANSFORM (1 << 22)
+#define FAST_PATH_SAMPLES_COVER_CLIP_NEAREST (1 << 23)
+#define FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR (1 << 24)
#define FAST_PATH_PAD_REPEAT \
(FAST_PATH_NO_NONE_REPEAT | \
@@ -652,7 +653,7 @@ _pixman_iter_get_scanline_noop (pixman_iter_t *iter, const uint32_t *mask);
#define SOURCE_FLAGS(format) \
(FAST_PATH_STANDARD_FLAGS | \
((PIXMAN_ ## format == PIXMAN_solid) ? \
- 0 : (FAST_PATH_SAMPLES_COVER_CLIP | FAST_PATH_ID_TRANSFORM)))
+ 0 : (FAST_PATH_SAMPLES_COVER_CLIP_NEAREST | FAST_PATH_NEAREST_FILTER | FAST_PATH_ID_TRANSFORM)))
#define MASK_FLAGS(format, extra) \
((PIXMAN_ ## format == PIXMAN_null) ? 0 : (SOURCE_FLAGS (format) | extra))
@@ -783,6 +784,49 @@ pixman_region16_copy_from_region32 (pixman_region16_t *dst,
# define SCREEN_SHIFT_RIGHT(x,n) ((x) << (n))
#endif
+static force_inline uint32_t
+unorm_to_unorm (uint32_t val, int from_bits, int to_bits)
+{
+ uint32_t result;
+
+ if (from_bits == 0)
+ return 0;
+
+ /* Delete any extra bits */
+ val &= ((1 << from_bits) - 1);
+
+ if (from_bits >= to_bits)
+ return val >> (from_bits - to_bits);
+
+ /* Start out with the high bit of val in the high bit of result. */
+ result = val << (to_bits - from_bits);
+
+ /* Copy the bits in result, doubling the number of bits each time, until
+ * we fill all to_bits. Unrolled manually because from_bits and to_bits
+ * are usually known statically, so the compiler can turn all of this
+ * into a few shifts.
+ */
+#define REPLICATE() \
+ do \
+ { \
+ if (from_bits < to_bits) \
+ { \
+ result |= result >> from_bits; \
+ \
+ from_bits *= 2; \
+ } \
+ } \
+ while (0)
+
+ REPLICATE();
+ REPLICATE();
+ REPLICATE();
+ REPLICATE();
+ REPLICATE();
+
+ return result;
+}
+
/*
* Various debugging code
*/
diff --git a/pixman/pixman/pixman-utils.c b/pixman/pixman/pixman-utils.c
index 49e3488aa..768ca1b89 100644
--- a/pixman/pixman/pixman-utils.c
+++ b/pixman/pixman/pixman-utils.c
@@ -72,31 +72,6 @@ pixman_malloc_abc (unsigned int a,
}
/*
- * Helper routine to expand a color component from 0 < n <= 8 bits to 16
- * bits by replication.
- */
-static inline uint64_t
-expand16 (const uint8_t val, int nbits)
-{
- /* Start out with the high bit of val in the high bit of result. */
- uint16_t result = (uint16_t)val << (16 - nbits);
-
- if (nbits == 0)
- return 0;
-
- /* Copy the bits in result, doubling the number of bits each time, until
- * we fill all 16 bits.
- */
- while (nbits < 16)
- {
- result |= result >> nbits;
- nbits *= 2;
- }
-
- return result;
-}
-
-/*
* This function expands images from ARGB8 format to ARGB16. To preserve
* precision, it needs to know the original source format. For example, if the
* source was PIXMAN_x1r5g5b5 and the red component contained bits 12345, then
@@ -137,10 +112,11 @@ pixman_expand (uint64_t * dst,
r = (pixel >> r_shift) & r_mask,
g = (pixel >> g_shift) & g_mask,
b = (pixel >> b_shift) & b_mask;
- const uint64_t a16 = a_size ? expand16 (a, a_size) : 0xffff,
- r16 = expand16 (r, r_size),
- g16 = expand16 (g, g_size),
- b16 = expand16 (b, b_size);
+ const uint64_t
+ a16 = a_size ? unorm_to_unorm (a, a_size, 16) : 0xffff,
+ r16 = unorm_to_unorm (r, r_size, 16),
+ g16 = unorm_to_unorm (g, g_size, 16),
+ b16 = unorm_to_unorm (b, b_size, 16);
dst[i] = a16 << 48 | r16 << 32 | g16 << 16 | b16;
}
diff --git a/pixman/pixman/pixman.c b/pixman/pixman/pixman.c
index 75b80c058..87f5a933a 100644
--- a/pixman/pixman/pixman.c
+++ b/pixman/pixman/pixman.c
@@ -446,109 +446,89 @@ update_cache:
return TRUE;
}
+typedef struct
+{
+ pixman_fixed_48_16_t x1;
+ pixman_fixed_48_16_t y1;
+ pixman_fixed_48_16_t x2;
+ pixman_fixed_48_16_t y2;
+} box_48_16_t;
+
static pixman_bool_t
-compute_sample_extents (pixman_transform_t *transform,
- pixman_box32_t *extents, int x, int y,
- pixman_fixed_t x_off, pixman_fixed_t y_off,
- pixman_fixed_t width, pixman_fixed_t height)
+compute_transformed_extents (pixman_transform_t *transform,
+ const pixman_box32_t *extents,
+ box_48_16_t *transformed)
{
- pixman_fixed_t x1, y1, x2, y2;
pixman_fixed_48_16_t tx1, ty1, tx2, ty2;
+ pixman_fixed_t x1, y1, x2, y2;
+ int i;
- /* We have checked earlier that (extents->x1 - x) etc. fit in a pixman_fixed_t */
- x1 = (pixman_fixed_48_16_t)pixman_int_to_fixed (extents->x1 - x) + pixman_fixed_1 / 2;
- y1 = (pixman_fixed_48_16_t)pixman_int_to_fixed (extents->y1 - y) + pixman_fixed_1 / 2;
- x2 = (pixman_fixed_48_16_t)pixman_int_to_fixed (extents->x2 - x) - pixman_fixed_1 / 2;
- y2 = (pixman_fixed_48_16_t)pixman_int_to_fixed (extents->y2 - y) - pixman_fixed_1 / 2;
+ x1 = pixman_int_to_fixed (extents->x1) + pixman_fixed_1 / 2;
+ y1 = pixman_int_to_fixed (extents->y1) + pixman_fixed_1 / 2;
+ x2 = pixman_int_to_fixed (extents->x2) - pixman_fixed_1 / 2;
+ y2 = pixman_int_to_fixed (extents->y2) - pixman_fixed_1 / 2;
if (!transform)
{
- tx1 = (pixman_fixed_48_16_t)x1;
- ty1 = (pixman_fixed_48_16_t)y1;
- tx2 = (pixman_fixed_48_16_t)x2;
- ty2 = (pixman_fixed_48_16_t)y2;
+ transformed->x1 = x1;
+ transformed->y1 = y1;
+ transformed->x2 = x2;
+ transformed->y2 = y2;
+
+ return TRUE;
}
- else
- {
- int i;
- /* Silence GCC */
- tx1 = ty1 = tx2 = ty2 = 0;
-
- for (i = 0; i < 4; ++i)
- {
- pixman_fixed_48_16_t tx, ty;
- pixman_vector_t v;
+ tx1 = ty1 = INT64_MAX;
+ tx2 = ty2 = INT64_MIN;
- v.vector[0] = (i & 0x01)? x1 : x2;
- v.vector[1] = (i & 0x02)? y1 : y2;
- v.vector[2] = pixman_fixed_1;
+ for (i = 0; i < 4; ++i)
+ {
+ pixman_fixed_48_16_t tx, ty;
+ pixman_vector_t v;
- if (!pixman_transform_point (transform, &v))
- return FALSE;
+ v.vector[0] = (i & 0x01)? x1 : x2;
+ v.vector[1] = (i & 0x02)? y1 : y2;
+ v.vector[2] = pixman_fixed_1;
- tx = (pixman_fixed_48_16_t)v.vector[0];
- ty = (pixman_fixed_48_16_t)v.vector[1];
+ if (!pixman_transform_point (transform, &v))
+ return FALSE;
- if (i == 0)
- {
- tx1 = tx;
- ty1 = ty;
- tx2 = tx;
- ty2 = ty;
- }
- else
- {
- if (tx < tx1)
- tx1 = tx;
- if (ty < ty1)
- ty1 = ty;
- if (tx > tx2)
- tx2 = tx;
- if (ty > ty2)
- ty2 = ty;
- }
- }
+ tx = (pixman_fixed_48_16_t)v.vector[0];
+ ty = (pixman_fixed_48_16_t)v.vector[1];
+
+ if (tx < tx1)
+ tx1 = tx;
+ if (ty < ty1)
+ ty1 = ty;
+ if (tx > tx2)
+ tx2 = tx;
+ if (ty > ty2)
+ ty2 = ty;
}
- /* Expand the source area by a tiny bit so account of different rounding that
- * may happen during sampling. Note that (8 * pixman_fixed_e) is very far from
- * 0.5 so this won't cause the area computed to be overly pessimistic.
- */
- tx1 += x_off - 8 * pixman_fixed_e;
- ty1 += y_off - 8 * pixman_fixed_e;
- tx2 += x_off + width + 8 * pixman_fixed_e;
- ty2 += y_off + height + 8 * pixman_fixed_e;
-
- if (tx1 < pixman_min_fixed_48_16 || tx1 > pixman_max_fixed_48_16 ||
- ty1 < pixman_min_fixed_48_16 || ty1 > pixman_max_fixed_48_16 ||
- tx2 < pixman_min_fixed_48_16 || tx2 > pixman_max_fixed_48_16 ||
- ty2 < pixman_min_fixed_48_16 || ty2 > pixman_max_fixed_48_16)
- {
- return FALSE;
- }
- else
- {
- extents->x1 = pixman_fixed_to_int (tx1);
- extents->y1 = pixman_fixed_to_int (ty1);
- extents->x2 = pixman_fixed_to_int (tx2) + 1;
- extents->y2 = pixman_fixed_to_int (ty2) + 1;
+ transformed->x1 = tx1;
+ transformed->y1 = ty1;
+ transformed->x2 = tx2;
+ transformed->y2 = ty2;
- return TRUE;
- }
+ return TRUE;
}
#define IS_16BIT(x) (((x) >= INT16_MIN) && ((x) <= INT16_MAX))
+#define ABS(f) (((f) < 0)? (-(f)) : (f))
+#define IS_16_16(f) (((f) >= pixman_min_fixed_48_16 && ((f) <= pixman_max_fixed_48_16)))
static pixman_bool_t
-analyze_extent (pixman_image_t *image, int x, int y,
- const pixman_box32_t *extents, uint32_t *flags)
+analyze_extent (pixman_image_t *image,
+ const pixman_box32_t *extents,
+ uint32_t *flags)
{
pixman_transform_t *transform;
- pixman_fixed_t *params;
pixman_fixed_t x_off, y_off;
pixman_fixed_t width, height;
- pixman_box32_t ex;
+ pixman_fixed_t *params;
+ box_48_16_t transformed;
+ pixman_box32_t exp_extents;
if (!image)
return TRUE;
@@ -558,10 +538,10 @@ analyze_extent (pixman_image_t *image, int x, int y,
* check here that the expanded-by-one source
* extents in destination space fits in 16 bits
*/
- if (!IS_16BIT (extents->x1 - x - 1) ||
- !IS_16BIT (extents->y1 - y - 1) ||
- !IS_16BIT (extents->x2 - x + 1) ||
- !IS_16BIT (extents->y2 - y + 1))
+ if (!IS_16BIT (extents->x1 - 1) ||
+ !IS_16BIT (extents->y1 - 1) ||
+ !IS_16BIT (extents->x2 + 1) ||
+ !IS_16BIT (extents->y2 + 1))
{
return FALSE;
}
@@ -576,18 +556,16 @@ analyze_extent (pixman_image_t *image, int x, int y,
if (image->bits.width >= 0x7fff || image->bits.height >= 0x7fff)
return FALSE;
-#define ID_AND_NEAREST (FAST_PATH_ID_TRANSFORM | FAST_PATH_NEAREST_FILTER)
-
- if ((image->common.flags & ID_AND_NEAREST) == ID_AND_NEAREST &&
- extents->x1 - x >= 0 &&
- extents->y1 - y >= 0 &&
- extents->x2 - x <= image->bits.width &&
- extents->y2 - y <= image->bits.height)
+ if ((image->common.flags & FAST_PATH_ID_TRANSFORM) == FAST_PATH_ID_TRANSFORM &&
+ extents->x1 >= 0 &&
+ extents->y1 >= 0 &&
+ extents->x2 <= image->bits.width &&
+ extents->y2 <= image->bits.height)
{
- *flags |= FAST_PATH_SAMPLES_COVER_CLIP;
+ *flags |= FAST_PATH_SAMPLES_COVER_CLIP_NEAREST;
return TRUE;
}
-
+
switch (image->common.filter)
{
case PIXMAN_FILTER_CONVOLUTION:
@@ -618,17 +596,6 @@ analyze_extent (pixman_image_t *image, int x, int y,
default:
return FALSE;
}
-
- /* Check whether the non-expanded, transformed extent is entirely within
- * the source image, and set the FAST_PATH_SAMPLES_COVER_CLIP if it is.
- */
- ex = *extents;
- if (compute_sample_extents (transform, &ex, x, y, x_off, y_off, width, height) &&
- ex.x1 >= 0 && ex.y1 >= 0 &&
- ex.x2 <= image->bits.width && ex.y2 <= image->bits.height)
- {
- *flags |= FAST_PATH_SAMPLES_COVER_CLIP;
- }
}
else
{
@@ -638,17 +605,57 @@ analyze_extent (pixman_image_t *image, int x, int y,
height = 0;
}
- /* Check that the extents expanded by one don't overflow. This ensures that
- * compositing functions can simply walk the source space using 16.16
- * variables without worrying about overflow.
+ if (!compute_transformed_extents (transform, extents, &transformed))
+ return FALSE;
+
+ /* Expand the source area by a tiny bit so account of different rounding that
+ * may happen during sampling. Note that (8 * pixman_fixed_e) is very far from
+ * 0.5 so this won't cause the area computed to be overly pessimistic.
*/
- ex.x1 = extents->x1 - 1;
- ex.y1 = extents->y1 - 1;
- ex.x2 = extents->x2 + 1;
- ex.y2 = extents->y2 + 1;
+ transformed.x1 -= 8 * pixman_fixed_e;
+ transformed.y1 -= 8 * pixman_fixed_e;
+ transformed.x2 += 8 * pixman_fixed_e;
+ transformed.y2 += 8 * pixman_fixed_e;
+
+ if (image->common.type == BITS)
+ {
+ if (pixman_fixed_to_int (transformed.x1) >= 0 &&
+ pixman_fixed_to_int (transformed.y1) >= 0 &&
+ pixman_fixed_to_int (transformed.x2) < image->bits.width &&
+ pixman_fixed_to_int (transformed.y2) < image->bits.height)
+ {
+ *flags |= FAST_PATH_SAMPLES_COVER_CLIP_NEAREST;
+ }
+
+ if (pixman_fixed_to_int (transformed.x1 - pixman_fixed_1 / 2) >= 0 &&
+ pixman_fixed_to_int (transformed.y1 - pixman_fixed_1 / 2) >= 0 &&
+ pixman_fixed_to_int (transformed.x2 + pixman_fixed_1 / 2) < image->bits.width &&
+ pixman_fixed_to_int (transformed.y2 + pixman_fixed_1 / 2) < image->bits.height)
+ {
+ *flags |= FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR;
+ }
+ }
- if (!compute_sample_extents (transform, &ex, x, y, x_off, y_off, width, height))
+ /* Check we don't overflow when the destination extents are expanded by one.
+ * This ensures that compositing functions can simply walk the source space
+ * using 16.16 variables without worrying about overflow.
+ */
+ exp_extents = *extents;
+ exp_extents.x1 -= 1;
+ exp_extents.y1 -= 1;
+ exp_extents.x2 += 1;
+ exp_extents.y2 += 1;
+
+ if (!compute_transformed_extents (transform, &exp_extents, &transformed))
+ return FALSE;
+
+ if (!IS_16_16 (transformed.x1 + x_off - 8 * pixman_fixed_e) ||
+ !IS_16_16 (transformed.y1 + y_off - 8 * pixman_fixed_e) ||
+ !IS_16_16 (transformed.x2 + x_off + 8 * pixman_fixed_e + width) ||
+ !IS_16_16 (transformed.y2 + y_off + 8 * pixman_fixed_e + height))
+ {
return FALSE;
+ }
return TRUE;
}
@@ -689,7 +696,7 @@ pixman_image_composite32 (pixman_op_t op,
pixman_format_code_t src_format, mask_format, dest_format;
uint32_t src_flags, mask_flags, dest_flags;
pixman_region32_t region;
- pixman_box32_t *extents;
+ pixman_box32_t extents;
pixman_implementation_t *imp;
pixman_composite_func_t func;
@@ -736,25 +743,46 @@ pixman_image_composite32 (pixman_op_t op,
goto out;
}
- extents = pixman_region32_extents (&region);
+ extents = *pixman_region32_extents (&region);
+
+ extents.x1 -= dest_x - src_x;
+ extents.y1 -= dest_y - src_y;
+ extents.x2 -= dest_x - src_x;
+ extents.y2 -= dest_y - src_y;
- if (!analyze_extent (src, dest_x - src_x, dest_y - src_y, extents, &src_flags))
+ if (!analyze_extent (src, &extents, &src_flags))
goto out;
- if (!analyze_extent (mask, dest_x - mask_x, dest_y - mask_y, extents, &mask_flags))
+ extents.x1 -= src_x - mask_x;
+ extents.y1 -= src_y - mask_y;
+ extents.x2 -= src_x - mask_x;
+ extents.y2 -= src_y - mask_y;
+
+ if (!analyze_extent (mask, &extents, &mask_flags))
goto out;
- /* If the clip is within the source samples, and the samples are opaque,
- * then the source is effectively opaque.
+ /* If the clip is within the source samples, and the samples are
+ * opaque, then the source is effectively opaque.
*/
-#define BOTH (FAST_PATH_SAMPLES_OPAQUE | FAST_PATH_SAMPLES_COVER_CLIP)
-
- if ((src_flags & BOTH) == BOTH)
+#define NEAREST_OPAQUE (FAST_PATH_SAMPLES_OPAQUE | \
+ FAST_PATH_NEAREST_FILTER | \
+ FAST_PATH_SAMPLES_COVER_CLIP_NEAREST)
+#define BILINEAR_OPAQUE (FAST_PATH_SAMPLES_OPAQUE | \
+ FAST_PATH_BILINEAR_FILTER | \
+ FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR)
+
+ if ((src_flags & NEAREST_OPAQUE) == NEAREST_OPAQUE ||
+ (src_flags & BILINEAR_OPAQUE) == BILINEAR_OPAQUE)
+ {
src_flags |= FAST_PATH_IS_OPAQUE;
-
- if ((mask_flags & BOTH) == BOTH)
+ }
+
+ if ((mask_flags & NEAREST_OPAQUE) == NEAREST_OPAQUE ||
+ (mask_flags & BILINEAR_OPAQUE) == BILINEAR_OPAQUE)
+ {
mask_flags |= FAST_PATH_IS_OPAQUE;
-
+ }
+
/*
* Check if we can replace our operator by a simpler one
* if the src or dest are opaque. The output operator should be
diff --git a/pixman/test/affine-test.c b/pixman/test/affine-test.c
index 529ea8f63..a4ceed3da 100644
--- a/pixman/test/affine-test.c
+++ b/pixman/test/affine-test.c
@@ -1,287 +1,311 @@
-/*
- * Test program, which can detect some problems with affine transformations
- * in pixman. Testing is done by running lots of random SRC and OVER
- * compositing operations a8r8g8b8, x8a8r8g8b8, r5g6b5 and a8 color formats
- * with random scaled, rotated and translated transforms.
- *
- * Script 'fuzzer-find-diff.pl' can be used to narrow down the problem in
- * the case of test failure.
- */
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include "utils.h"
-
-#define MAX_SRC_WIDTH 16
-#define MAX_SRC_HEIGHT 16
-#define MAX_DST_WIDTH 16
-#define MAX_DST_HEIGHT 16
-#define MAX_STRIDE 4
-
-/*
- * Composite operation with pseudorandom images
- */
-uint32_t
-test_composite (int testnum,
- int verbose)
-{
- int i;
- pixman_image_t * src_img;
- pixman_image_t * dst_img;
- pixman_transform_t transform;
- pixman_region16_t clip;
- int src_width, src_height;
- int dst_width, dst_height;
- int src_stride, dst_stride;
- int src_x, src_y;
- int dst_x, dst_y;
- int src_bpp;
- int dst_bpp;
- int w, h;
- pixman_fixed_t scale_x = 65536, scale_y = 65536;
- pixman_fixed_t translate_x = 0, translate_y = 0;
- pixman_op_t op;
- pixman_repeat_t repeat = PIXMAN_REPEAT_NONE;
- pixman_format_code_t src_fmt, dst_fmt;
- uint32_t * srcbuf;
- uint32_t * dstbuf;
- uint32_t crc32;
- FLOAT_REGS_CORRUPTION_DETECTOR_START ();
-
- lcg_srand (testnum);
-
- src_bpp = (lcg_rand_n (2) == 0) ? 2 : 4;
- dst_bpp = (lcg_rand_n (2) == 0) ? 2 : 4;
- op = (lcg_rand_n (2) == 0) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
-
- src_width = lcg_rand_n (MAX_SRC_WIDTH) + 1;
- src_height = lcg_rand_n (MAX_SRC_HEIGHT) + 1;
- dst_width = lcg_rand_n (MAX_DST_WIDTH) + 1;
- dst_height = lcg_rand_n (MAX_DST_HEIGHT) + 1;
- src_stride = src_width * src_bpp + lcg_rand_n (MAX_STRIDE) * src_bpp;
- dst_stride = dst_width * dst_bpp + lcg_rand_n (MAX_STRIDE) * dst_bpp;
-
- if (src_stride & 3)
- src_stride += 2;
-
- if (dst_stride & 3)
- dst_stride += 2;
-
- src_x = -(src_width / 4) + lcg_rand_n (src_width * 3 / 2);
- src_y = -(src_height / 4) + lcg_rand_n (src_height * 3 / 2);
- dst_x = -(dst_width / 4) + lcg_rand_n (dst_width * 3 / 2);
- dst_y = -(dst_height / 4) + lcg_rand_n (dst_height * 3 / 2);
- w = lcg_rand_n (dst_width * 3 / 2 - dst_x);
- h = lcg_rand_n (dst_height * 3 / 2 - dst_y);
-
- srcbuf = (uint32_t *)malloc (src_stride * src_height);
- dstbuf = (uint32_t *)malloc (dst_stride * dst_height);
-
- for (i = 0; i < src_stride * src_height; i++)
- *((uint8_t *)srcbuf + i) = lcg_rand_n (256);
-
- for (i = 0; i < dst_stride * dst_height; i++)
- *((uint8_t *)dstbuf + i) = lcg_rand_n (256);
-
- src_fmt = src_bpp == 4 ? (lcg_rand_n (2) == 0 ?
- PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5;
-
- dst_fmt = dst_bpp == 4 ? (lcg_rand_n (2) == 0 ?
- PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5;
-
- src_img = pixman_image_create_bits (
- src_fmt, src_width, src_height, srcbuf, src_stride);
-
- dst_img = pixman_image_create_bits (
- dst_fmt, dst_width, dst_height, dstbuf, dst_stride);
-
- image_endian_swap (src_img);
- image_endian_swap (dst_img);
-
- pixman_transform_init_identity (&transform);
-
- if (lcg_rand_n (8) > 0)
- {
- scale_x = -32768 * 3 + lcg_rand_N (65536 * 5);
- scale_y = -32768 * 3 + lcg_rand_N (65536 * 5);
- translate_x = lcg_rand_N (65536);
- translate_y = lcg_rand_N (65536);
- pixman_transform_init_scale (&transform, scale_x, scale_y);
- pixman_transform_translate (&transform, NULL, translate_x, translate_y);
- }
-
- if (lcg_rand_n (4) > 0)
- {
- int c, s, tx = 0, ty = 0;
- switch (lcg_rand_n (4))
- {
- case 0:
- /* 90 degrees */
- c = 0;
- s = pixman_fixed_1;
- tx = pixman_int_to_fixed (MAX_SRC_HEIGHT);
- break;
- case 1:
- /* 180 degrees */
- c = -pixman_fixed_1;
- s = 0;
- tx = pixman_int_to_fixed (MAX_SRC_WIDTH);
- ty = pixman_int_to_fixed (MAX_SRC_HEIGHT);
- break;
- case 2:
- /* 270 degrees */
- c = 0;
- s = -pixman_fixed_1;
- ty = pixman_int_to_fixed (MAX_SRC_WIDTH);
- break;
- default:
- /* arbitrary rotation */
- c = lcg_rand_N (2 * 65536) - 65536;
- s = lcg_rand_N (2 * 65536) - 65536;
- break;
- }
- pixman_transform_rotate (&transform, NULL, c, s);
- pixman_transform_translate (&transform, NULL, tx, ty);
- }
-
- pixman_image_set_transform (src_img, &transform);
-
- switch (lcg_rand_n (4))
- {
- case 0:
- repeat = PIXMAN_REPEAT_NONE;
- break;
-
- case 1:
- repeat = PIXMAN_REPEAT_NORMAL;
- break;
-
- case 2:
- repeat = PIXMAN_REPEAT_PAD;
- break;
-
- case 3:
- repeat = PIXMAN_REPEAT_REFLECT;
- break;
-
- default:
- break;
- }
- pixman_image_set_repeat (src_img, repeat);
-
- if (lcg_rand_n (2))
- pixman_image_set_filter (src_img, PIXMAN_FILTER_NEAREST, NULL, 0);
- else
- pixman_image_set_filter (src_img, PIXMAN_FILTER_BILINEAR, NULL, 0);
-
- if (verbose)
- {
- printf ("src_fmt=%08X, dst_fmt=%08X\n", src_fmt, dst_fmt);
- printf ("op=%d, scale_x=%d, scale_y=%d, repeat=%d\n",
- op, scale_x, scale_y, repeat);
- printf ("translate_x=%d, translate_y=%d\n",
- translate_x, translate_y);
- printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n",
- src_width, src_height, dst_width, dst_height);
- printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n",
- src_x, src_y, dst_x, dst_y);
- printf ("w=%d, h=%d\n", w, h);
- }
-
- if (lcg_rand_n (8) == 0)
- {
- pixman_box16_t clip_boxes[2];
- int n = lcg_rand_n (2) + 1;
-
- for (i = 0; i < n; i++)
- {
- clip_boxes[i].x1 = lcg_rand_n (src_width);
- clip_boxes[i].y1 = lcg_rand_n (src_height);
- clip_boxes[i].x2 =
- clip_boxes[i].x1 + lcg_rand_n (src_width - clip_boxes[i].x1);
- clip_boxes[i].y2 =
- clip_boxes[i].y1 + lcg_rand_n (src_height - clip_boxes[i].y1);
-
- if (verbose)
- {
- printf ("source clip box: [%d,%d-%d,%d]\n",
- clip_boxes[i].x1, clip_boxes[i].y1,
- clip_boxes[i].x2, clip_boxes[i].y2);
- }
- }
-
- pixman_region_init_rects (&clip, clip_boxes, n);
- pixman_image_set_clip_region (src_img, &clip);
- pixman_image_set_source_clipping (src_img, 1);
- pixman_region_fini (&clip);
- }
-
- if (lcg_rand_n (8) == 0)
- {
- pixman_box16_t clip_boxes[2];
- int n = lcg_rand_n (2) + 1;
- for (i = 0; i < n; i++)
- {
- clip_boxes[i].x1 = lcg_rand_n (dst_width);
- clip_boxes[i].y1 = lcg_rand_n (dst_height);
- clip_boxes[i].x2 =
- clip_boxes[i].x1 + lcg_rand_n (dst_width - clip_boxes[i].x1);
- clip_boxes[i].y2 =
- clip_boxes[i].y1 + lcg_rand_n (dst_height - clip_boxes[i].y1);
-
- if (verbose)
- {
- printf ("destination clip box: [%d,%d-%d,%d]\n",
- clip_boxes[i].x1, clip_boxes[i].y1,
- clip_boxes[i].x2, clip_boxes[i].y2);
- }
- }
- pixman_region_init_rects (&clip, clip_boxes, n);
- pixman_image_set_clip_region (dst_img, &clip);
- pixman_region_fini (&clip);
- }
-
- pixman_image_composite (op, src_img, NULL, dst_img,
- src_x, src_y, 0, 0, dst_x, dst_y, w, h);
-
- if (dst_fmt == PIXMAN_x8r8g8b8)
- {
- /* ignore unused part */
- for (i = 0; i < dst_stride * dst_height / 4; i++)
- dstbuf[i] &= 0xFFFFFF;
- }
-
- image_endian_swap (dst_img);
-
- if (verbose)
- {
- int j;
-
- for (i = 0; i < dst_height; i++)
- {
- for (j = 0; j < dst_stride; j++)
- printf ("%02X ", *((uint8_t *)dstbuf + i * dst_stride + j));
-
- printf ("\n");
- }
- }
-
- pixman_image_unref (src_img);
- pixman_image_unref (dst_img);
-
- crc32 = compute_crc32 (0, dstbuf, dst_stride * dst_height);
- free (srcbuf);
- free (dstbuf);
-
- FLOAT_REGS_CORRUPTION_DETECTOR_FINISH ();
- return crc32;
-}
-
-int
-main (int argc, const char *argv[])
-{
- pixman_disable_out_of_bounds_workaround ();
-
- return fuzzer_test_main ("affine", 8000000, 0x4B5D1852,
- test_composite, argc, argv);
-}
+/*
+ * Test program, which can detect some problems with affine transformations
+ * in pixman. Testing is done by running lots of random SRC and OVER
+ * compositing operations a8r8g8b8, x8a8r8g8b8, r5g6b5 and a8 color formats
+ * with random scaled, rotated and translated transforms.
+ *
+ * Script 'fuzzer-find-diff.pl' can be used to narrow down the problem in
+ * the case of test failure.
+ */
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "utils.h"
+
+#define MAX_SRC_WIDTH 16
+#define MAX_SRC_HEIGHT 16
+#define MAX_DST_WIDTH 16
+#define MAX_DST_HEIGHT 16
+#define MAX_STRIDE 4
+
+/*
+ * Composite operation with pseudorandom images
+ */
+uint32_t
+test_composite (int testnum,
+ int verbose)
+{
+ int i;
+ pixman_image_t * src_img;
+ pixman_image_t * dst_img;
+ pixman_transform_t transform;
+ pixman_region16_t clip;
+ int src_width, src_height;
+ int dst_width, dst_height;
+ int src_stride, dst_stride;
+ int src_x, src_y;
+ int dst_x, dst_y;
+ int src_bpp;
+ int dst_bpp;
+ int w, h;
+ pixman_fixed_t scale_x = 65536, scale_y = 65536;
+ pixman_fixed_t translate_x = 0, translate_y = 0;
+ pixman_op_t op;
+ pixman_repeat_t repeat = PIXMAN_REPEAT_NONE;
+ pixman_format_code_t src_fmt, dst_fmt;
+ uint32_t * srcbuf;
+ uint32_t * dstbuf;
+ uint32_t crc32;
+ FLOAT_REGS_CORRUPTION_DETECTOR_START ();
+
+ lcg_srand (testnum);
+
+ src_bpp = (lcg_rand_n (2) == 0) ? 2 : 4;
+ dst_bpp = (lcg_rand_n (2) == 0) ? 2 : 4;
+ op = (lcg_rand_n (2) == 0) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
+
+ src_width = lcg_rand_n (MAX_SRC_WIDTH) + 1;
+ src_height = lcg_rand_n (MAX_SRC_HEIGHT) + 1;
+ dst_width = lcg_rand_n (MAX_DST_WIDTH) + 1;
+ dst_height = lcg_rand_n (MAX_DST_HEIGHT) + 1;
+ src_stride = src_width * src_bpp + lcg_rand_n (MAX_STRIDE) * src_bpp;
+ dst_stride = dst_width * dst_bpp + lcg_rand_n (MAX_STRIDE) * dst_bpp;
+
+ if (src_stride & 3)
+ src_stride += 2;
+
+ if (dst_stride & 3)
+ dst_stride += 2;
+
+ src_x = -(src_width / 4) + lcg_rand_n (src_width * 3 / 2);
+ src_y = -(src_height / 4) + lcg_rand_n (src_height * 3 / 2);
+ dst_x = -(dst_width / 4) + lcg_rand_n (dst_width * 3 / 2);
+ dst_y = -(dst_height / 4) + lcg_rand_n (dst_height * 3 / 2);
+ w = lcg_rand_n (dst_width * 3 / 2 - dst_x);
+ h = lcg_rand_n (dst_height * 3 / 2 - dst_y);
+
+ srcbuf = (uint32_t *)malloc (src_stride * src_height);
+ dstbuf = (uint32_t *)malloc (dst_stride * dst_height);
+
+ for (i = 0; i < src_stride * src_height; i++)
+ *((uint8_t *)srcbuf + i) = lcg_rand_n (256);
+
+ for (i = 0; i < dst_stride * dst_height; i++)
+ *((uint8_t *)dstbuf + i) = lcg_rand_n (256);
+
+ src_fmt = src_bpp == 4 ? (lcg_rand_n (2) == 0 ?
+ PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5;
+
+ dst_fmt = dst_bpp == 4 ? (lcg_rand_n (2) == 0 ?
+ PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5;
+
+ src_img = pixman_image_create_bits (
+ src_fmt, src_width, src_height, srcbuf, src_stride);
+
+ dst_img = pixman_image_create_bits (
+ dst_fmt, dst_width, dst_height, dstbuf, dst_stride);
+
+ image_endian_swap (src_img);
+ image_endian_swap (dst_img);
+
+ pixman_transform_init_identity (&transform);
+
+ if (lcg_rand_n (3) > 0)
+ {
+ scale_x = -65536 * 3 + lcg_rand_N (65536 * 6);
+ if (lcg_rand_n (2))
+ scale_y = -65536 * 3 + lcg_rand_N (65536 * 6);
+ else
+ scale_y = scale_x;
+ pixman_transform_init_scale (&transform, scale_x, scale_y);
+ }
+ if (lcg_rand_n (3) > 0)
+ {
+ translate_x = -65536 * 3 + lcg_rand_N (6 * 65536);
+ if (lcg_rand_n (2))
+ translate_y = -65536 * 3 + lcg_rand_N (6 * 65536);
+ else
+ translate_y = translate_x;
+ pixman_transform_translate (&transform, NULL, translate_x, translate_y);
+ }
+
+ if (lcg_rand_n (4) > 0)
+ {
+ int c, s, tx = 0, ty = 0;
+ switch (lcg_rand_n (4))
+ {
+ case 0:
+ /* 90 degrees */
+ c = 0;
+ s = pixman_fixed_1;
+ tx = pixman_int_to_fixed (MAX_SRC_HEIGHT);
+ break;
+ case 1:
+ /* 180 degrees */
+ c = -pixman_fixed_1;
+ s = 0;
+ tx = pixman_int_to_fixed (MAX_SRC_WIDTH);
+ ty = pixman_int_to_fixed (MAX_SRC_HEIGHT);
+ break;
+ case 2:
+ /* 270 degrees */
+ c = 0;
+ s = -pixman_fixed_1;
+ ty = pixman_int_to_fixed (MAX_SRC_WIDTH);
+ break;
+ default:
+ /* arbitrary rotation */
+ c = lcg_rand_N (2 * 65536) - 65536;
+ s = lcg_rand_N (2 * 65536) - 65536;
+ break;
+ }
+ pixman_transform_rotate (&transform, NULL, c, s);
+ pixman_transform_translate (&transform, NULL, tx, ty);
+ }
+
+ if (lcg_rand_n (8) == 0)
+ {
+ /* Flip random bits */
+ int maxflipcount = 8;
+ while (maxflipcount--)
+ {
+ int i = lcg_rand_n (2);
+ int j = lcg_rand_n (3);
+ int bitnum = lcg_rand_n (32);
+ transform.matrix[i][j] ^= 1 << bitnum;
+ if (lcg_rand_n (2))
+ break;
+ }
+ }
+
+ pixman_image_set_transform (src_img, &transform);
+
+ switch (lcg_rand_n (4))
+ {
+ case 0:
+ repeat = PIXMAN_REPEAT_NONE;
+ break;
+
+ case 1:
+ repeat = PIXMAN_REPEAT_NORMAL;
+ break;
+
+ case 2:
+ repeat = PIXMAN_REPEAT_PAD;
+ break;
+
+ case 3:
+ repeat = PIXMAN_REPEAT_REFLECT;
+ break;
+
+ default:
+ break;
+ }
+ pixman_image_set_repeat (src_img, repeat);
+
+ if (lcg_rand_n (2))
+ pixman_image_set_filter (src_img, PIXMAN_FILTER_NEAREST, NULL, 0);
+ else
+ pixman_image_set_filter (src_img, PIXMAN_FILTER_BILINEAR, NULL, 0);
+
+ if (verbose)
+ {
+ printf ("src_fmt=%08X, dst_fmt=%08X\n", src_fmt, dst_fmt);
+ printf ("op=%d, scale_x=%d, scale_y=%d, repeat=%d\n",
+ op, scale_x, scale_y, repeat);
+ printf ("translate_x=%d, translate_y=%d\n",
+ translate_x, translate_y);
+ printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n",
+ src_width, src_height, dst_width, dst_height);
+ printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n",
+ src_x, src_y, dst_x, dst_y);
+ printf ("w=%d, h=%d\n", w, h);
+ }
+
+ if (lcg_rand_n (8) == 0)
+ {
+ pixman_box16_t clip_boxes[2];
+ int n = lcg_rand_n (2) + 1;
+
+ for (i = 0; i < n; i++)
+ {
+ clip_boxes[i].x1 = lcg_rand_n (src_width);
+ clip_boxes[i].y1 = lcg_rand_n (src_height);
+ clip_boxes[i].x2 =
+ clip_boxes[i].x1 + lcg_rand_n (src_width - clip_boxes[i].x1);
+ clip_boxes[i].y2 =
+ clip_boxes[i].y1 + lcg_rand_n (src_height - clip_boxes[i].y1);
+
+ if (verbose)
+ {
+ printf ("source clip box: [%d,%d-%d,%d]\n",
+ clip_boxes[i].x1, clip_boxes[i].y1,
+ clip_boxes[i].x2, clip_boxes[i].y2);
+ }
+ }
+
+ pixman_region_init_rects (&clip, clip_boxes, n);
+ pixman_image_set_clip_region (src_img, &clip);
+ pixman_image_set_source_clipping (src_img, 1);
+ pixman_region_fini (&clip);
+ }
+
+ if (lcg_rand_n (8) == 0)
+ {
+ pixman_box16_t clip_boxes[2];
+ int n = lcg_rand_n (2) + 1;
+ for (i = 0; i < n; i++)
+ {
+ clip_boxes[i].x1 = lcg_rand_n (dst_width);
+ clip_boxes[i].y1 = lcg_rand_n (dst_height);
+ clip_boxes[i].x2 =
+ clip_boxes[i].x1 + lcg_rand_n (dst_width - clip_boxes[i].x1);
+ clip_boxes[i].y2 =
+ clip_boxes[i].y1 + lcg_rand_n (dst_height - clip_boxes[i].y1);
+
+ if (verbose)
+ {
+ printf ("destination clip box: [%d,%d-%d,%d]\n",
+ clip_boxes[i].x1, clip_boxes[i].y1,
+ clip_boxes[i].x2, clip_boxes[i].y2);
+ }
+ }
+ pixman_region_init_rects (&clip, clip_boxes, n);
+ pixman_image_set_clip_region (dst_img, &clip);
+ pixman_region_fini (&clip);
+ }
+
+ pixman_image_composite (op, src_img, NULL, dst_img,
+ src_x, src_y, 0, 0, dst_x, dst_y, w, h);
+
+ if (dst_fmt == PIXMAN_x8r8g8b8)
+ {
+ /* ignore unused part */
+ for (i = 0; i < dst_stride * dst_height / 4; i++)
+ dstbuf[i] &= 0xFFFFFF;
+ }
+
+ image_endian_swap (dst_img);
+
+ if (verbose)
+ {
+ int j;
+
+ for (i = 0; i < dst_height; i++)
+ {
+ for (j = 0; j < dst_stride; j++)
+ printf ("%02X ", *((uint8_t *)dstbuf + i * dst_stride + j));
+
+ printf ("\n");
+ }
+ }
+
+ pixman_image_unref (src_img);
+ pixman_image_unref (dst_img);
+
+ crc32 = compute_crc32 (0, dstbuf, dst_stride * dst_height);
+ free (srcbuf);
+ free (dstbuf);
+
+ FLOAT_REGS_CORRUPTION_DETECTOR_FINISH ();
+ return crc32;
+}
+
+int
+main (int argc, const char *argv[])
+{
+ pixman_disable_out_of_bounds_workaround ();
+
+ return fuzzer_test_main ("affine", 8000000, 0x1EF2175A,
+ test_composite, argc, argv);
+}
diff --git a/pixman/test/blitters-test.c b/pixman/test/blitters-test.c
index 790a27f03..4f931c440 100644
--- a/pixman/test/blitters-test.c
+++ b/pixman/test/blitters-test.c
@@ -68,6 +68,9 @@ create_random_image (pixman_format_code_t *allowed_formats,
pixman_image_set_indexed (img, &(y_palette[PIXMAN_FORMAT_BPP (fmt)]));
}
+ if (lcg_rand_n (16) == 0)
+ pixman_image_set_filter (img, PIXMAN_FILTER_BILINEAR, NULL, 0);
+
image_endian_swap (img);
if (used_fmt) *used_fmt = fmt;
@@ -422,6 +425,6 @@ main (int argc, const char *argv[])
}
return fuzzer_test_main("blitters", 2000000,
- 0xB610300B,
+ 0x29137844,
test_composite, argc, argv);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 01:24:45 +0000