From f567ea1e2798fd3156a416e61f083ea3e6b95719 Mon Sep 17 00:00:00 2001 From: sanine Date: Wed, 12 Oct 2022 13:26:36 -0500 Subject: add pixman and libpng --- libs/pixman-0.40.0/pixman/pixman-access.c | 1559 +++++++++++++++++++++++++++++ 1 file changed, 1559 insertions(+) create mode 100644 libs/pixman-0.40.0/pixman/pixman-access.c (limited to 'libs/pixman-0.40.0/pixman/pixman-access.c') diff --git a/libs/pixman-0.40.0/pixman/pixman-access.c b/libs/pixman-0.40.0/pixman/pixman-access.c new file mode 100644 index 0000000..7c5ce78 --- /dev/null +++ b/libs/pixman-0.40.0/pixman/pixman-access.c @@ -0,0 +1,1559 @@ +/* + * + * 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 +#endif + +#include +#include +#include +#include + +#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 -- cgit v1.2.1