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-rw-r--r--libs/pixman-0.40.0/pixman/pixman-access.c1559
1 files changed, 0 insertions, 1559 deletions
diff --git a/libs/pixman-0.40.0/pixman/pixman-access.c b/libs/pixman-0.40.0/pixman/pixman-access.c
deleted file mode 100644
index 7c5ce78..0000000
--- a/libs/pixman-0.40.0/pixman/pixman-access.c
+++ /dev/null
@@ -1,1559 +0,0 @@
-/*
- *
- * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
- * 2005 Lars Knoll & Zack Rusin, Trolltech
- * 2008 Aaron Plattner, NVIDIA Corporation
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
- * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <math.h>
-
-#include "pixman-accessor.h"
-#include "pixman-private.h"
-
-#define CONVERT_RGB24_TO_Y15(s) \
- (((((s) >> 16) & 0xff) * 153 + \
- (((s) >> 8) & 0xff) * 301 + \
- (((s) ) & 0xff) * 58) >> 2)
-
-#define CONVERT_RGB24_TO_RGB15(s) \
- ((((s) >> 3) & 0x001f) | \
- (((s) >> 6) & 0x03e0) | \
- (((s) >> 9) & 0x7c00))
-
-/* 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) \
- ((uint32_t)(READ (img, (((uint8_t *)(l)) + ((o) * 3) + 0)) << 16) | \
- (uint32_t)(READ (img, (((uint8_t *)(l)) + ((o) * 3) + 1)) << 8) | \
- (uint32_t)(READ (img, (((uint8_t *)(l)) + ((o) * 3) + 2)) << 0))
-#else
-#define FETCH_24(img,l,o) \
- ((uint32_t)(READ (img, (((uint8_t *)(l)) + ((o) * 3) + 0)) << 0) | \
- (uint32_t)(READ (img, (((uint8_t *)(l)) + ((o) * 3) + 1)) << 8) | \
- (uint32_t)(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 = 1U << (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 = 1U << ((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
- */
-
-#define YV12_SETUP(image) \
- bits_image_t *__bits_image = (bits_image_t *)image; \
- uint32_t *bits = __bits_image->bits; \
- int stride = __bits_image->rowstride; \
- int offset0 = stride < 0 ? \
- ((-stride) >> 1) * ((__bits_image->height - 1) >> 1) - stride : \
- stride * __bits_image->height; \
- int offset1 = stride < 0 ? \
- offset0 + ((-stride) >> 1) * ((__bits_image->height) >> 1) : \
- offset0 + (offset0 >> 2)
-
-/* Note no trailing semicolon on the above macro; if it's there, then
- * the typical usage of YV12_SETUP(image); will have an extra trailing ;
- * that some compilers will interpret as a statement -- and then any further
- * variable declarations will cause an error.
- */
-
-#define YV12_Y(line) \
- ((uint8_t *) ((bits) + (stride) * (line)))
-
-#define YV12_U(line) \
- ((uint8_t *) ((bits) + offset1 + \
- ((stride) >> 1) * ((line) >> 1)))
-
-#define YV12_V(line) \
- ((uint8_t *) ((bits) + offset0 + \
- ((stride) >> 1) * ((line) >> 1)))
-
-/* 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:
- case PIXMAN_TYPE_ARGB_SRGB:
- *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;
-
- return (v & ((1 << n_to_bits) - 1)) << to_shift;
-}
-
-static force_inline uint32_t
-convert_pixel (pixman_format_code_t from, pixman_format_code_t to, uint32_t pixel)
-{
- 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 force_inline uint32_t
-convert_pixel_to_a8r8g8b8 (bits_image_t *image,
- pixman_format_code_t format,
- uint32_t pixel)
-{
- if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY ||
- PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR)
- {
- return image->indexed->rgba[pixel];
- }
- else
- {
- return convert_pixel (format, PIXMAN_a8r8g8b8, pixel);
- }
-}
-
-static force_inline uint32_t
-convert_pixel_from_a8r8g8b8 (pixman_image_t *image,
- pixman_format_code_t format, uint32_t pixel)
-{
- if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY)
- {
- pixel = CONVERT_RGB24_TO_Y15 (pixel);
-
- return image->bits.indexed->ent[pixel & 0x7fff];
- }
- else if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR)
- {
- pixel = convert_pixel (PIXMAN_a8r8g8b8, PIXMAN_x1r5g5b5, pixel);
-
- return image->bits.indexed->ent[pixel & 0x7fff];
- }
- else
- {
- return convert_pixel (PIXMAN_a8r8g8b8, format, pixel);
- }
-}
-
-static force_inline uint32_t
-fetch_and_convert_pixel (bits_image_t * image,
- const uint8_t * bits,
- int offset,
- pixman_format_code_t format)
-{
- uint32_t pixel;
-
- switch (PIXMAN_FORMAT_BPP (format))
- {
- case 1:
- pixel = FETCH_1 (image, bits, offset);
- break;
-
- case 4:
- pixel = FETCH_4 (image, bits, offset);
- break;
-
- 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 force_inline void
-convert_and_store_pixel (bits_image_t * image,
- uint8_t * dest,
- int offset,
- pixman_format_code_t format,
- uint32_t pixel)
-{
- uint32_t converted = convert_pixel_from_a8r8g8b8 (
- (pixman_image_t *)image, format, pixel);
-
- switch (PIXMAN_FORMAT_BPP (format))
- {
- 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;
-
- case 32:
- WRITE (image, ((uint32_t *)dest + offset), converted);
- break;
-
- default:
- *dest = 0x0;
- break;
- }
-}
-
-#define MAKE_ACCESSORS(format) \
- static void \
- fetch_scanline_ ## format (bits_image_t *image, \
- int x, \
- int y, \
- int width, \
- uint32_t * buffer, \
- const uint32_t *mask) \
- { \
- uint8_t *bits = \
- (uint8_t *)(image->bits + y * image->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 ( \
- 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 ************************************/
-/* Table mapping sRGB-encoded 8 bit numbers to linearly encoded
- * floating point numbers. We assume that single precision
- * floating point follows the IEEE 754 format.
- */
-static const uint32_t to_linear_u[256] =
-{
- 0x00000000, 0x399f22b4, 0x3a1f22b4, 0x3a6eb40e, 0x3a9f22b4, 0x3ac6eb61,
- 0x3aeeb40e, 0x3b0b3e5d, 0x3b1f22b4, 0x3b33070b, 0x3b46eb61, 0x3b5b518a,
- 0x3b70f18a, 0x3b83e1c5, 0x3b8fe614, 0x3b9c87fb, 0x3ba9c9b5, 0x3bb7ad6d,
- 0x3bc63547, 0x3bd5635f, 0x3be539bd, 0x3bf5ba70, 0x3c0373b5, 0x3c0c6152,
- 0x3c15a703, 0x3c1f45bc, 0x3c293e68, 0x3c3391f4, 0x3c3e4149, 0x3c494d43,
- 0x3c54b6c7, 0x3c607eb1, 0x3c6ca5df, 0x3c792d22, 0x3c830aa8, 0x3c89af9e,
- 0x3c9085db, 0x3c978dc5, 0x3c9ec7c0, 0x3ca63432, 0x3cadd37d, 0x3cb5a601,
- 0x3cbdac20, 0x3cc5e639, 0x3cce54ab, 0x3cd6f7d2, 0x3cdfd00e, 0x3ce8ddb9,
- 0x3cf2212c, 0x3cfb9ac1, 0x3d02a569, 0x3d0798dc, 0x3d0ca7e4, 0x3d11d2ae,
- 0x3d171963, 0x3d1c7c2e, 0x3d21fb3a, 0x3d2796af, 0x3d2d4ebb, 0x3d332380,
- 0x3d39152b, 0x3d3f23e3, 0x3d454fd0, 0x3d4b991c, 0x3d51ffeb, 0x3d588466,
- 0x3d5f26b7, 0x3d65e6fe, 0x3d6cc564, 0x3d73c210, 0x3d7add25, 0x3d810b65,
- 0x3d84b793, 0x3d88732e, 0x3d8c3e48, 0x3d9018f4, 0x3d940343, 0x3d97fd48,
- 0x3d9c0714, 0x3da020b9, 0x3da44a48, 0x3da883d6, 0x3daccd70, 0x3db12728,
- 0x3db59110, 0x3dba0b38, 0x3dbe95b2, 0x3dc3308f, 0x3dc7dbe0, 0x3dcc97b4,
- 0x3dd1641c, 0x3dd6412a, 0x3ddb2eec, 0x3de02d75, 0x3de53cd3, 0x3dea5d16,
- 0x3def8e52, 0x3df4d091, 0x3dfa23e5, 0x3dff885e, 0x3e027f06, 0x3e05427f,
- 0x3e080ea2, 0x3e0ae376, 0x3e0dc104, 0x3e10a752, 0x3e139669, 0x3e168e50,
- 0x3e198f0e, 0x3e1c98ab, 0x3e1fab2e, 0x3e22c6a0, 0x3e25eb08, 0x3e29186a,
- 0x3e2c4ed0, 0x3e2f8e42, 0x3e32d6c4, 0x3e362861, 0x3e39831e, 0x3e3ce702,
- 0x3e405416, 0x3e43ca5e, 0x3e4749e4, 0x3e4ad2ae, 0x3e4e64c2, 0x3e520027,
- 0x3e55a4e6, 0x3e595303, 0x3e5d0a8a, 0x3e60cb7c, 0x3e6495e0, 0x3e6869bf,
- 0x3e6c4720, 0x3e702e08, 0x3e741e7f, 0x3e78188c, 0x3e7c1c34, 0x3e8014c0,
- 0x3e822039, 0x3e84308b, 0x3e8645b8, 0x3e885fc3, 0x3e8a7eb0, 0x3e8ca281,
- 0x3e8ecb3a, 0x3e90f8df, 0x3e932b72, 0x3e9562f6, 0x3e979f6f, 0x3e99e0e0,
- 0x3e9c274e, 0x3e9e72b8, 0x3ea0c322, 0x3ea31892, 0x3ea57308, 0x3ea7d28a,
- 0x3eaa3718, 0x3eaca0b7, 0x3eaf0f69, 0x3eb18332, 0x3eb3fc16, 0x3eb67a15,
- 0x3eb8fd34, 0x3ebb8576, 0x3ebe12de, 0x3ec0a56e, 0x3ec33d2a, 0x3ec5da14,
- 0x3ec87c30, 0x3ecb2380, 0x3ecdd008, 0x3ed081ca, 0x3ed338c9, 0x3ed5f508,
- 0x3ed8b68a, 0x3edb7d52, 0x3ede4962, 0x3ee11abe, 0x3ee3f168, 0x3ee6cd64,
- 0x3ee9aeb6, 0x3eec955d, 0x3eef815d, 0x3ef272ba, 0x3ef56976, 0x3ef86594,
- 0x3efb6717, 0x3efe6e02, 0x3f00bd2b, 0x3f02460c, 0x3f03d1a5, 0x3f055ff8,
- 0x3f06f105, 0x3f0884ce, 0x3f0a1b54, 0x3f0bb499, 0x3f0d509f, 0x3f0eef65,
- 0x3f1090ef, 0x3f12353c, 0x3f13dc50, 0x3f15862a, 0x3f1732cc, 0x3f18e237,
- 0x3f1a946d, 0x3f1c4970, 0x3f1e013f, 0x3f1fbbde, 0x3f21794c, 0x3f23398c,
- 0x3f24fca0, 0x3f26c286, 0x3f288b42, 0x3f2a56d3, 0x3f2c253d, 0x3f2df680,
- 0x3f2fca9d, 0x3f31a195, 0x3f337b6a, 0x3f35581e, 0x3f3737b1, 0x3f391a24,
- 0x3f3aff7a, 0x3f3ce7b2, 0x3f3ed2d0, 0x3f40c0d2, 0x3f42b1bc, 0x3f44a58e,
- 0x3f469c49, 0x3f4895ee, 0x3f4a9280, 0x3f4c91ff, 0x3f4e946c, 0x3f5099c8,
- 0x3f52a216, 0x3f54ad55, 0x3f56bb88, 0x3f58ccae, 0x3f5ae0cb, 0x3f5cf7de,
- 0x3f5f11ec, 0x3f612ef0, 0x3f634eef, 0x3f6571ea, 0x3f6797e1, 0x3f69c0d6,
- 0x3f6beccb, 0x3f6e1bc0, 0x3f704db6, 0x3f7282af, 0x3f74baac, 0x3f76f5ae,
- 0x3f7933b6, 0x3f7b74c6, 0x3f7db8de, 0x3f800000
-};
-
-static const float * const to_linear = (const float *)to_linear_u;
-
-static uint8_t
-to_srgb (float f)
-{
- uint8_t low = 0;
- uint8_t high = 255;
-
- while (high - low > 1)
- {
- uint8_t mid = (low + high) / 2;
-
- if (to_linear[mid] > f)
- high = mid;
- else
- low = mid;
- }
-
- if (to_linear[high] - f < f - to_linear[low])
- return high;
- else
- return low;
-}
-
-static void
-fetch_scanline_a8r8g8b8_sRGB_float (bits_image_t * image,
- int x,
- int y,
- int width,
- uint32_t * b,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits + y * image->rowstride;
- const uint32_t *pixel = bits + x;
- const uint32_t *end = pixel + width;
- argb_t *buffer = (argb_t *)b;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- argb_t *argb = buffer;
-
- argb->a = pixman_unorm_to_float ((p >> 24) & 0xff, 8);
-
- argb->r = to_linear [(p >> 16) & 0xff];
- argb->g = to_linear [(p >> 8) & 0xff];
- argb->b = to_linear [(p >> 0) & 0xff];
-
- buffer++;
- }
-}
-
-/* Expects a float buffer */
-static void
-fetch_scanline_a2r10g10b10_float (bits_image_t * image,
- int x,
- int y,
- int width,
- uint32_t * b,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits + y * image->rowstride;
- const uint32_t *pixel = bits + x;
- const uint32_t *end = pixel + width;
- argb_t *buffer = (argb_t *)b;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint64_t a = p >> 30;
- uint64_t r = (p >> 20) & 0x3ff;
- uint64_t g = (p >> 10) & 0x3ff;
- uint64_t b = p & 0x3ff;
-
- buffer->a = pixman_unorm_to_float (a, 2);
- buffer->r = pixman_unorm_to_float (r, 10);
- buffer->g = pixman_unorm_to_float (g, 10);
- buffer->b = pixman_unorm_to_float (b, 10);
-
- buffer++;
- }
-}
-
-/* Expects a float buffer */
-#ifndef PIXMAN_FB_ACCESSORS
-static void
-fetch_scanline_rgbf_float (bits_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * b,
- const uint32_t *mask)
-{
- const float *bits = (float *)image->bits + y * image->rowstride;
- const float *pixel = bits + x * 3;
- argb_t *buffer = (argb_t *)b;
-
- for (; width--; buffer++) {
- buffer->r = *pixel++;
- buffer->g = *pixel++;
- buffer->b = *pixel++;
- buffer->a = 1.f;
- }
-}
-
-static void
-fetch_scanline_rgbaf_float (bits_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * b,
- const uint32_t *mask)
-{
- const float *bits = (float *)image->bits + y * image->rowstride;
- const float *pixel = bits + x * 4;
- argb_t *buffer = (argb_t *)b;
-
- for (; width--; buffer++) {
- buffer->r = *pixel++;
- buffer->g = *pixel++;
- buffer->b = *pixel++;
- buffer->a = *pixel++;
- }
-}
-#endif
-
-static void
-fetch_scanline_x2r10g10b10_float (bits_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * b,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits + y * image->rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
- argb_t *buffer = (argb_t *)b;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint64_t r = (p >> 20) & 0x3ff;
- uint64_t g = (p >> 10) & 0x3ff;
- uint64_t b = p & 0x3ff;
-
- buffer->a = 1.0;
- buffer->r = pixman_unorm_to_float (r, 10);
- buffer->g = pixman_unorm_to_float (g, 10);
- buffer->b = pixman_unorm_to_float (b, 10);
-
- buffer++;
- }
-}
-
-/* Expects a float buffer */
-static void
-fetch_scanline_a2b10g10r10_float (bits_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * b,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits + y * image->rowstride;
- const uint32_t *pixel = bits + x;
- const uint32_t *end = pixel + width;
- argb_t *buffer = (argb_t *)b;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint64_t a = p >> 30;
- uint64_t b = (p >> 20) & 0x3ff;
- uint64_t g = (p >> 10) & 0x3ff;
- uint64_t r = p & 0x3ff;
-
- buffer->a = pixman_unorm_to_float (a, 2);
- buffer->r = pixman_unorm_to_float (r, 10);
- buffer->g = pixman_unorm_to_float (g, 10);
- buffer->b = pixman_unorm_to_float (b, 10);
-
- buffer++;
- }
-}
-
-/* Expects a float buffer */
-static void
-fetch_scanline_x2b10g10r10_float (bits_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * b,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits + y * image->rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
- argb_t *buffer = (argb_t *)b;
-
- while (pixel < end)
- {
- uint32_t p = READ (image, pixel++);
- uint64_t b = (p >> 20) & 0x3ff;
- uint64_t g = (p >> 10) & 0x3ff;
- uint64_t r = p & 0x3ff;
-
- buffer->a = 1.0;
- buffer->r = pixman_unorm_to_float (r, 10);
- buffer->g = pixman_unorm_to_float (g, 10);
- buffer->b = pixman_unorm_to_float (b, 10);
-
- buffer++;
- }
-}
-
-static void
-fetch_scanline_yuy2 (bits_image_t *image,
- int x,
- int line,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits + image->rowstride * line;
- int i;
-
- for (i = 0; i < width; i++)
- {
- int16_t y, u, v;
- int32_t r, g, b;
-
- y = ((uint8_t *) bits)[(x + i) << 1] - 16;
- u = ((uint8_t *) bits)[(((x + i) << 1) & - 4) + 1] - 128;
- v = ((uint8_t *) bits)[(((x + i) << 1) & - 4) + 3] - 128;
-
- /* R = 1.164(Y - 16) + 1.596(V - 128) */
- r = 0x012b27 * y + 0x019a2e * v;
- /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */
- g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u;
- /* B = 1.164(Y - 16) + 2.018(U - 128) */
- b = 0x012b27 * y + 0x0206a2 * u;
-
- *buffer++ = 0xff000000 |
- (r >= 0 ? r < 0x1000000 ? r & 0xff0000 : 0xff0000 : 0) |
- (g >= 0 ? g < 0x1000000 ? (g >> 8) & 0x00ff00 : 0x00ff00 : 0) |
- (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0);
- }
-}
-
-static void
-fetch_scanline_yv12 (bits_image_t *image,
- int x,
- int line,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- YV12_SETUP (image);
- uint8_t *y_line = YV12_Y (line);
- uint8_t *u_line = YV12_U (line);
- uint8_t *v_line = YV12_V (line);
- int i;
-
- for (i = 0; i < width; i++)
- {
- int16_t y, u, v;
- int32_t r, g, b;
-
- y = y_line[x + i] - 16;
- u = u_line[(x + i) >> 1] - 128;
- v = v_line[(x + i) >> 1] - 128;
-
- /* R = 1.164(Y - 16) + 1.596(V - 128) */
- r = 0x012b27 * y + 0x019a2e * v;
- /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */
- g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u;
- /* B = 1.164(Y - 16) + 2.018(U - 128) */
- b = 0x012b27 * y + 0x0206a2 * u;
-
- *buffer++ = 0xff000000 |
- (r >= 0 ? r < 0x1000000 ? r & 0xff0000 : 0xff0000 : 0) |
- (g >= 0 ? g < 0x1000000 ? (g >> 8) & 0x00ff00 : 0x00ff00 : 0) |
- (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0);
- }
-}
-
-/**************************** Pixel wise fetching *****************************/
-
-#ifndef PIXMAN_FB_ACCESSORS
-static argb_t
-fetch_pixel_rgbf_float (bits_image_t *image,
- int offset,
- int line)
-{
- float *bits = (float *)image->bits + line * image->rowstride;
- argb_t argb;
-
- argb.r = bits[offset * 3];
- argb.g = bits[offset * 3 + 1];
- argb.b = bits[offset * 3 + 2];
- argb.a = 1.f;
-
- return argb;
-}
-
-static argb_t
-fetch_pixel_rgbaf_float (bits_image_t *image,
- int offset,
- int line)
-{
- float *bits = (float *)image->bits + line * image->rowstride;
- argb_t argb;
-
- argb.r = bits[offset * 4];
- argb.g = bits[offset * 4 + 1];
- argb.b = bits[offset * 4 + 2];
- argb.a = bits[offset * 4 + 3];
-
- return argb;
-}
-#endif
-
-static argb_t
-fetch_pixel_x2r10g10b10_float (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t p = READ (image, bits + offset);
- uint64_t r = (p >> 20) & 0x3ff;
- uint64_t g = (p >> 10) & 0x3ff;
- uint64_t b = p & 0x3ff;
- argb_t argb;
-
- argb.a = 1.0;
- argb.r = pixman_unorm_to_float (r, 10);
- argb.g = pixman_unorm_to_float (g, 10);
- argb.b = pixman_unorm_to_float (b, 10);
-
- return argb;
-}
-
-static argb_t
-fetch_pixel_a2r10g10b10_float (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t p = READ (image, bits + offset);
- uint64_t a = p >> 30;
- uint64_t r = (p >> 20) & 0x3ff;
- uint64_t g = (p >> 10) & 0x3ff;
- uint64_t b = p & 0x3ff;
- argb_t argb;
-
- argb.a = pixman_unorm_to_float (a, 2);
- argb.r = pixman_unorm_to_float (r, 10);
- argb.g = pixman_unorm_to_float (g, 10);
- argb.b = pixman_unorm_to_float (b, 10);
-
- return argb;
-}
-
-static argb_t
-fetch_pixel_a2b10g10r10_float (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t p = READ (image, bits + offset);
- uint64_t a = p >> 30;
- uint64_t b = (p >> 20) & 0x3ff;
- uint64_t g = (p >> 10) & 0x3ff;
- uint64_t r = p & 0x3ff;
- argb_t argb;
-
- argb.a = pixman_unorm_to_float (a, 2);
- argb.r = pixman_unorm_to_float (r, 10);
- argb.g = pixman_unorm_to_float (g, 10);
- argb.b = pixman_unorm_to_float (b, 10);
-
- return argb;
-}
-
-static argb_t
-fetch_pixel_x2b10g10r10_float (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t p = READ (image, bits + offset);
- uint64_t b = (p >> 20) & 0x3ff;
- uint64_t g = (p >> 10) & 0x3ff;
- uint64_t r = p & 0x3ff;
- argb_t argb;
-
- argb.a = 1.0;
- argb.r = pixman_unorm_to_float (r, 10);
- argb.g = pixman_unorm_to_float (g, 10);
- argb.b = pixman_unorm_to_float (b, 10);
-
- return argb;
-}
-
-static argb_t
-fetch_pixel_a8r8g8b8_sRGB_float (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t p = READ (image, bits + offset);
- argb_t argb;
-
- argb.a = pixman_unorm_to_float ((p >> 24) & 0xff, 8);
-
- argb.r = to_linear [(p >> 16) & 0xff];
- argb.g = to_linear [(p >> 8) & 0xff];
- argb.b = to_linear [(p >> 0) & 0xff];
-
- return argb;
-}
-
-static uint32_t
-fetch_pixel_yuy2 (bits_image_t *image,
- int offset,
- int line)
-{
- const uint32_t *bits = image->bits + image->rowstride * line;
-
- int16_t y, u, v;
- int32_t r, g, b;
-
- y = ((uint8_t *) bits)[offset << 1] - 16;
- u = ((uint8_t *) bits)[((offset << 1) & - 4) + 1] - 128;
- v = ((uint8_t *) bits)[((offset << 1) & - 4) + 3] - 128;
-
- /* R = 1.164(Y - 16) + 1.596(V - 128) */
- r = 0x012b27 * y + 0x019a2e * v;
-
- /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */
- g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u;
-
- /* B = 1.164(Y - 16) + 2.018(U - 128) */
- b = 0x012b27 * y + 0x0206a2 * u;
-
- return 0xff000000 |
- (r >= 0 ? r < 0x1000000 ? r & 0xff0000 : 0xff0000 : 0) |
- (g >= 0 ? g < 0x1000000 ? (g >> 8) & 0x00ff00 : 0x00ff00 : 0) |
- (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0);
-}
-
-static uint32_t
-fetch_pixel_yv12 (bits_image_t *image,
- int offset,
- int line)
-{
- YV12_SETUP (image);
- int16_t y = YV12_Y (line)[offset] - 16;
- int16_t u = YV12_U (line)[offset >> 1] - 128;
- int16_t v = YV12_V (line)[offset >> 1] - 128;
- int32_t r, g, b;
-
- /* R = 1.164(Y - 16) + 1.596(V - 128) */
- r = 0x012b27 * y + 0x019a2e * v;
-
- /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */
- g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u;
-
- /* B = 1.164(Y - 16) + 2.018(U - 128) */
- b = 0x012b27 * y + 0x0206a2 * u;
-
- return 0xff000000 |
- (r >= 0 ? r < 0x1000000 ? r & 0xff0000 : 0xff0000 : 0) |
- (g >= 0 ? g < 0x1000000 ? (g >> 8) & 0x00ff00 : 0x00ff00 : 0) |
- (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0);
-}
-
-/*********************************** Store ************************************/
-
-#ifndef PIXMAN_FB_ACCESSORS
-static void
-store_scanline_rgbaf_float (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *v)
-{
- float *bits = (float *)image->bits + image->rowstride * y + 4 * x;
- const argb_t *values = (argb_t *)v;
-
- for (; width; width--, values++)
- {
- *bits++ = values->r;
- *bits++ = values->g;
- *bits++ = values->b;
- *bits++ = values->a;
- }
-}
-
-static void
-store_scanline_rgbf_float (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *v)
-{
- float *bits = (float *)image->bits + image->rowstride * y + 3 * x;
- const argb_t *values = (argb_t *)v;
-
- for (; width; width--, values++)
- {
- *bits++ = values->r;
- *bits++ = values->g;
- *bits++ = values->b;
- }
-}
-#endif
-
-static void
-store_scanline_a2r10g10b10_float (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *v)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = bits + x;
- argb_t *values = (argb_t *)v;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t a, r, g, b;
-
- a = pixman_float_to_unorm (values[i].a, 2);
- r = pixman_float_to_unorm (values[i].r, 10);
- g = pixman_float_to_unorm (values[i].g, 10);
- b = pixman_float_to_unorm (values[i].b, 10);
-
- WRITE (image, pixel++,
- (a << 30) | (r << 20) | (g << 10) | b);
- }
-}
-
-static void
-store_scanline_x2r10g10b10_float (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *v)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = bits + x;
- argb_t *values = (argb_t *)v;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t r, g, b;
-
- r = pixman_float_to_unorm (values[i].r, 10);
- g = pixman_float_to_unorm (values[i].g, 10);
- b = pixman_float_to_unorm (values[i].b, 10);
-
- WRITE (image, pixel++,
- (r << 20) | (g << 10) | b);
- }
-}
-
-static void
-store_scanline_a2b10g10r10_float (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *v)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = bits + x;
- argb_t *values = (argb_t *)v;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t a, r, g, b;
-
- a = pixman_float_to_unorm (values[i].a, 2);
- r = pixman_float_to_unorm (values[i].r, 10);
- g = pixman_float_to_unorm (values[i].g, 10);
- b = pixman_float_to_unorm (values[i].b, 10);
-
- WRITE (image, pixel++,
- (a << 30) | (b << 20) | (g << 10) | r);
- }
-}
-
-static void
-store_scanline_x2b10g10r10_float (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *v)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = bits + x;
- argb_t *values = (argb_t *)v;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t r, g, b;
-
- r = pixman_float_to_unorm (values[i].r, 10);
- g = pixman_float_to_unorm (values[i].g, 10);
- b = pixman_float_to_unorm (values[i].b, 10);
-
- WRITE (image, pixel++,
- (b << 20) | (g << 10) | r);
- }
-}
-
-static void
-store_scanline_a8r8g8b8_sRGB_float (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *v)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint32_t *pixel = bits + x;
- argb_t *values = (argb_t *)v;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t a, r, g, b;
-
- a = pixman_float_to_unorm (values[i].a, 8);
- r = to_srgb (values[i].r);
- g = to_srgb (values[i].g);
- b = to_srgb (values[i].b);
-
- WRITE (image, pixel++,
- (a << 24) | (r << 16) | (g << 8) | b);
- }
-}
-
-/*
- * Contracts a floating point image to 32bpp and then stores it using a
- * regular 32-bit store proc. Despite the type, this function expects an
- * argb_t buffer.
- */
-static void
-store_scanline_generic_float (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *values)
-{
- uint32_t *argb8_pixels;
-
- assert (image->common.type == BITS);
-
- argb8_pixels = pixman_malloc_ab (width, sizeof(uint32_t));
- if (!argb8_pixels)
- return;
-
- /* Contract the scanline. We could do this in place if values weren't
- * const.
- */
- pixman_contract_from_float (argb8_pixels, (argb_t *)values, width);
-
- image->store_scanline_32 (image, x, y, width, argb8_pixels);
-
- free (argb8_pixels);
-}
-
-static void
-fetch_scanline_generic_float (bits_image_t * image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask)
-{
- image->fetch_scanline_32 (image, x, y, width, buffer, NULL);
-
- pixman_expand_to_float ((argb_t *)buffer, buffer, image->format, width);
-}
-
-/* The 32_sRGB paths should be deleted after narrow processing
- * is no longer invoked for formats that are considered wide.
- * (Also see fetch_pixel_generic_lossy_32) */
-static void
-fetch_scanline_a8r8g8b8_32_sRGB (bits_image_t *image,
- int x,
- int y,
- int width,
- uint32_t *buffer,
- const uint32_t *mask)
-{
- const uint32_t *bits = image->bits + y * image->rowstride;
- const uint32_t *pixel = (uint32_t *)bits + x;
- const uint32_t *end = pixel + width;
- uint32_t tmp;
-
- while (pixel < end)
- {
- uint32_t a, r, g, b;
-
- tmp = READ (image, pixel++);
-
- a = (tmp >> 24) & 0xff;
- r = (tmp >> 16) & 0xff;
- g = (tmp >> 8) & 0xff;
- b = (tmp >> 0) & 0xff;
-
- r = to_linear[r] * 255.0f + 0.5f;
- g = to_linear[g] * 255.0f + 0.5f;
- b = to_linear[b] * 255.0f + 0.5f;
-
- *buffer++ = (a << 24) | (r << 16) | (g << 8) | (b << 0);
- }
-}
-
-static uint32_t
-fetch_pixel_a8r8g8b8_32_sRGB (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t *bits = image->bits + line * image->rowstride;
- uint32_t tmp = READ (image, bits + offset);
- uint32_t a, r, g, b;
-
- a = (tmp >> 24) & 0xff;
- r = (tmp >> 16) & 0xff;
- g = (tmp >> 8) & 0xff;
- b = (tmp >> 0) & 0xff;
-
- r = to_linear[r] * 255.0f + 0.5f;
- g = to_linear[g] * 255.0f + 0.5f;
- b = to_linear[b] * 255.0f + 0.5f;
-
- return (a << 24) | (r << 16) | (g << 8) | (b << 0);
-}
-
-static void
-store_scanline_a8r8g8b8_32_sRGB (bits_image_t *image,
- int x,
- int y,
- int width,
- const uint32_t *v)
-{
- uint32_t *bits = image->bits + image->rowstride * y;
- uint64_t *values = (uint64_t *)v;
- uint32_t *pixel = bits + x;
- uint64_t tmp;
- int i;
-
- for (i = 0; i < width; ++i)
- {
- uint32_t a, r, g, b;
-
- tmp = values[i];
-
- a = (tmp >> 24) & 0xff;
- r = (tmp >> 16) & 0xff;
- g = (tmp >> 8) & 0xff;
- b = (tmp >> 0) & 0xff;
-
- r = to_srgb (r * (1/255.0f));
- g = to_srgb (g * (1/255.0f));
- b = to_srgb (b * (1/255.0f));
-
- WRITE (image, pixel++, a | (r << 16) | (g << 8) | (b << 0));
- }
-}
-
-static argb_t
-fetch_pixel_generic_float (bits_image_t *image,
- int offset,
- int line)
-{
- uint32_t pixel32 = image->fetch_pixel_32 (image, offset, line);
- argb_t f;
-
- pixman_expand_to_float (&f, &pixel32, image->format, 1);
-
- return f;
-}
-
-/*
- * XXX: The transformed fetch path only works at 32-bpp so far. When all
- * paths have wide versions, this can be removed.
- *
- * WARNING: This function loses precision!
- */
-static uint32_t
-fetch_pixel_generic_lossy_32 (bits_image_t *image,
- int offset,
- int line)
-{
- argb_t pixel64 = image->fetch_pixel_float (image, offset, line);
- uint32_t result;
-
- pixman_contract_from_float (&result, &pixel64, 1);
-
- return result;
-}
-
-typedef struct
-{
- pixman_format_code_t format;
- fetch_scanline_t fetch_scanline_32;
- fetch_scanline_t fetch_scanline_float;
- fetch_pixel_32_t fetch_pixel_32;
- fetch_pixel_float_t fetch_pixel_float;
- store_scanline_t store_scanline_32;
- store_scanline_t store_scanline_float;
-} format_info_t;
-
-#define FORMAT_INFO(format) \
- { \
- PIXMAN_ ## format, \
- fetch_scanline_ ## format, \
- fetch_scanline_generic_float, \
- fetch_pixel_ ## format, \
- fetch_pixel_generic_float, \
- store_scanline_ ## format, \
- store_scanline_generic_float \
- }
-
-static const format_info_t accessors[] =
-{
-/* 32 bpp formats */
- FORMAT_INFO (a8r8g8b8),
- FORMAT_INFO (x8r8g8b8),
- FORMAT_INFO (a8b8g8r8),
- FORMAT_INFO (x8b8g8r8),
- FORMAT_INFO (b8g8r8a8),
- FORMAT_INFO (b8g8r8x8),
- FORMAT_INFO (r8g8b8a8),
- FORMAT_INFO (r8g8b8x8),
- FORMAT_INFO (x14r6g6b6),
-
-/* sRGB formats */
- { PIXMAN_a8r8g8b8_sRGB,
- fetch_scanline_a8r8g8b8_32_sRGB, fetch_scanline_a8r8g8b8_sRGB_float,
- fetch_pixel_a8r8g8b8_32_sRGB, fetch_pixel_a8r8g8b8_sRGB_float,
- store_scanline_a8r8g8b8_32_sRGB, store_scanline_a8r8g8b8_sRGB_float,
- },
-
-/* 24bpp formats */
- FORMAT_INFO (r8g8b8),
- FORMAT_INFO (b8g8r8),
-
-/* 16bpp formats */
- FORMAT_INFO (r5g6b5),
- FORMAT_INFO (b5g6r5),
-
- FORMAT_INFO (a1r5g5b5),
- FORMAT_INFO (x1r5g5b5),
- FORMAT_INFO (a1b5g5r5),
- FORMAT_INFO (x1b5g5r5),
- FORMAT_INFO (a4r4g4b4),
- FORMAT_INFO (x4r4g4b4),
- FORMAT_INFO (a4b4g4r4),
- FORMAT_INFO (x4b4g4r4),
-
-/* 8bpp formats */
- FORMAT_INFO (a8),
- FORMAT_INFO (r3g3b2),
- FORMAT_INFO (b2g3r3),
- FORMAT_INFO (a2r2g2b2),
- FORMAT_INFO (a2b2g2r2),
-
- FORMAT_INFO (c8),
-
- FORMAT_INFO (g8),
-
-#define fetch_scanline_x4c4 fetch_scanline_c8
-#define fetch_pixel_x4c4 fetch_pixel_c8
-#define store_scanline_x4c4 store_scanline_c8
- FORMAT_INFO (x4c4),
-
-#define fetch_scanline_x4g4 fetch_scanline_g8
-#define fetch_pixel_x4g4 fetch_pixel_g8
-#define store_scanline_x4g4 store_scanline_g8
- FORMAT_INFO (x4g4),
-
- FORMAT_INFO (x4a4),
-
-/* 4bpp formats */
- FORMAT_INFO (a4),
- FORMAT_INFO (r1g2b1),
- FORMAT_INFO (b1g2r1),
- FORMAT_INFO (a1r1g1b1),
- FORMAT_INFO (a1b1g1r1),
-
- FORMAT_INFO (c4),
-
- FORMAT_INFO (g4),
-
-/* 1bpp formats */
- FORMAT_INFO (a1),
- FORMAT_INFO (g1),
-
-/* Wide formats */
-#ifndef PIXMAN_FB_ACCESSORS
- { PIXMAN_rgba_float,
- NULL, fetch_scanline_rgbaf_float,
- fetch_pixel_generic_lossy_32, fetch_pixel_rgbaf_float,
- NULL, store_scanline_rgbaf_float },
-
- { PIXMAN_rgb_float,
- NULL, fetch_scanline_rgbf_float,
- fetch_pixel_generic_lossy_32, fetch_pixel_rgbf_float,
- NULL, store_scanline_rgbf_float },
-#endif
-
- { PIXMAN_a2r10g10b10,
- NULL, fetch_scanline_a2r10g10b10_float,
- fetch_pixel_generic_lossy_32, fetch_pixel_a2r10g10b10_float,
- NULL, store_scanline_a2r10g10b10_float },
-
- { PIXMAN_x2r10g10b10,
- NULL, fetch_scanline_x2r10g10b10_float,
- fetch_pixel_generic_lossy_32, fetch_pixel_x2r10g10b10_float,
- NULL, store_scanline_x2r10g10b10_float },
-
- { PIXMAN_a2b10g10r10,
- NULL, fetch_scanline_a2b10g10r10_float,
- fetch_pixel_generic_lossy_32, fetch_pixel_a2b10g10r10_float,
- NULL, store_scanline_a2b10g10r10_float },
-
- { PIXMAN_x2b10g10r10,
- NULL, fetch_scanline_x2b10g10r10_float,
- fetch_pixel_generic_lossy_32, fetch_pixel_x2b10g10r10_float,
- NULL, store_scanline_x2b10g10r10_float },
-
-/* YUV formats */
- { PIXMAN_yuy2,
- fetch_scanline_yuy2, fetch_scanline_generic_float,
- fetch_pixel_yuy2, fetch_pixel_generic_float,
- NULL, NULL },
-
- { PIXMAN_yv12,
- fetch_scanline_yv12, fetch_scanline_generic_float,
- fetch_pixel_yv12, fetch_pixel_generic_float,
- NULL, NULL },
-
- { PIXMAN_null },
-};
-
-static void
-setup_accessors (bits_image_t *image)
-{
- const format_info_t *info = accessors;
-
- while (info->format != PIXMAN_null)
- {
- if (info->format == image->format)
- {
- image->fetch_scanline_32 = info->fetch_scanline_32;
- image->fetch_scanline_float = info->fetch_scanline_float;
- image->fetch_pixel_32 = info->fetch_pixel_32;
- image->fetch_pixel_float = info->fetch_pixel_float;
- image->store_scanline_32 = info->store_scanline_32;
- image->store_scanline_float = info->store_scanline_float;
-
- return;
- }
-
- info++;
- }
-}
-
-#ifndef PIXMAN_FB_ACCESSORS
-void
-_pixman_bits_image_setup_accessors_accessors (bits_image_t *image);
-
-void
-_pixman_bits_image_setup_accessors (bits_image_t *image)
-{
- if (image->read_func || image->write_func)
- _pixman_bits_image_setup_accessors_accessors (image);
- else
- setup_accessors (image);
-}
-
-#else
-
-void
-_pixman_bits_image_setup_accessors_accessors (bits_image_t *image)
-{
- setup_accessors (image);
-}
-
-#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-23 16:12:34 +0000