forked from KolibriOS/kolibrios
4dd0483a93
git-svn-id: svn://kolibrios.org@1891 a494cfbc-eb01-0410-851d-a64ba20cac60
2990 lines
80 KiB
C
2990 lines
80 KiB
C
/*
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*
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* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
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* 2005 Lars Knoll & Zack Rusin, Trolltech
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* 2008 Aaron Plattner, NVIDIA Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "pixman-private.h"
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#include "pixman-accessor.h"
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#define CONVERT_RGB24_TO_Y15(s) \
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(((((s) >> 16) & 0xff) * 153 + \
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(((s) >> 8) & 0xff) * 301 + \
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(((s) ) & 0xff) * 58) >> 2)
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#define CONVERT_RGB24_TO_RGB15(s) \
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((((s) >> 3) & 0x001f) | \
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(((s) >> 6) & 0x03e0) | \
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(((s) >> 9) & 0x7c00))
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#define RGB15_TO_ENTRY(mif,rgb15) \
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((mif)->ent[rgb15])
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#define RGB24_TO_ENTRY(mif,rgb24) \
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RGB15_TO_ENTRY (mif,CONVERT_RGB24_TO_RGB15 (rgb24))
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#define RGB24_TO_ENTRY_Y(mif,rgb24) \
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((mif)->ent[CONVERT_RGB24_TO_Y15 (rgb24)])
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/*
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* YV12 setup and access macros
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*/
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#define YV12_SETUP(image) \
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bits_image_t *__bits_image = (bits_image_t *)image; \
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uint32_t *bits = __bits_image->bits; \
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int stride = __bits_image->rowstride; \
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int offset0 = stride < 0 ? \
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((-stride) >> 1) * ((__bits_image->height - 1) >> 1) - stride : \
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stride * __bits_image->height; \
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int offset1 = stride < 0 ? \
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offset0 + ((-stride) >> 1) * ((__bits_image->height) >> 1) : \
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offset0 + (offset0 >> 2)
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/* Note no trailing semicolon on the above macro; if it's there, then
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* the typical usage of YV12_SETUP(image); will have an extra trailing ;
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* that some compilers will interpret as a statement -- and then any further
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* variable declarations will cause an error.
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*/
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#define YV12_Y(line) \
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((uint8_t *) ((bits) + (stride) * (line)))
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#define YV12_U(line) \
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((uint8_t *) ((bits) + offset1 + \
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((stride) >> 1) * ((line) >> 1)))
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#define YV12_V(line) \
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((uint8_t *) ((bits) + offset0 + \
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((stride) >> 1) * ((line) >> 1)))
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/********************************** Fetch ************************************/
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static void
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fetch_scanline_a8r8g8b8 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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MEMCPY_WRAPPED (image,
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buffer, (const uint32_t *)bits + x,
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width * sizeof(uint32_t));
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}
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static void
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fetch_scanline_x8r8g8b8 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = (const uint32_t *)bits + x;
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const uint32_t *end = pixel + width;
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while (pixel < end)
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*buffer++ = READ (image, pixel++) | 0xff000000;
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}
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static void
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fetch_scanline_a8b8g8r8 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = (uint32_t *)bits + x;
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const uint32_t *end = pixel + width;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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*buffer++ = (p & 0xff00ff00) |
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((p >> 16) & 0xff) |
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((p & 0xff) << 16);
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}
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}
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static void
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fetch_scanline_x8b8g8r8 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = (uint32_t *)bits + x;
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const uint32_t *end = pixel + width;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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*buffer++ = 0xff000000 |
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(p & 0x0000ff00) |
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((p >> 16) & 0xff) |
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((p & 0xff) << 16);
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}
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}
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static void
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fetch_scanline_b8g8r8a8 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = (uint32_t *)bits + x;
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const uint32_t *end = pixel + width;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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*buffer++ = (((p & 0xff000000) >> 24) |
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((p & 0x00ff0000) >> 8) |
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((p & 0x0000ff00) << 8) |
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((p & 0x000000ff) << 24));
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}
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}
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static void
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fetch_scanline_b8g8r8x8 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = (uint32_t *)bits + x;
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const uint32_t *end = pixel + width;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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*buffer++ = (0xff000000 |
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((p & 0xff000000) >> 24) |
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((p & 0x00ff0000) >> 8) |
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((p & 0x0000ff00) << 8));
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}
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}
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static void
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fetch_scanline_x14r6g6b6 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = (const uint32_t *)bits + x;
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const uint32_t *end = pixel + width;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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uint32_t r, g, b;
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r = ((p & 0x3f000) << 6) | ((p & 0x30000));
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g = ((p & 0x00fc0) << 4) | ((p & 0x00c00) >> 2);
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b = ((p & 0x0003f) << 2) | ((p & 0x00030) >> 4);
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*buffer++ = 0xff000000 | r | g | b;
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}
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}
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/* Expects a uint64_t buffer */
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static void
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fetch_scanline_a2r10g10b10 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * b,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = bits + x;
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const uint32_t *end = pixel + width;
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uint64_t *buffer = (uint64_t *)b;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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uint64_t a = p >> 30;
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uint64_t r = (p >> 20) & 0x3ff;
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uint64_t g = (p >> 10) & 0x3ff;
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uint64_t b = p & 0x3ff;
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r = r << 6 | r >> 4;
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g = g << 6 | g >> 4;
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b = b << 6 | b >> 4;
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a <<= 14;
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a |= a >> 2;
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a |= a >> 4;
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a |= a >> 8;
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*buffer++ = a << 48 | r << 32 | g << 16 | b;
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}
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}
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/* Expects a uint64_t buffer */
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static void
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fetch_scanline_x2r10g10b10 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * b,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = (uint32_t *)bits + x;
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const uint32_t *end = pixel + width;
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uint64_t *buffer = (uint64_t *)b;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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uint64_t r = (p >> 20) & 0x3ff;
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uint64_t g = (p >> 10) & 0x3ff;
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uint64_t b = p & 0x3ff;
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r = r << 6 | r >> 4;
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g = g << 6 | g >> 4;
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b = b << 6 | b >> 4;
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*buffer++ = 0xffffULL << 48 | r << 32 | g << 16 | b;
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}
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}
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/* Expects a uint64_t buffer */
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static void
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fetch_scanline_a2b10g10r10 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * b,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = bits + x;
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const uint32_t *end = pixel + width;
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uint64_t *buffer = (uint64_t *)b;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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uint64_t a = p >> 30;
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uint64_t b = (p >> 20) & 0x3ff;
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uint64_t g = (p >> 10) & 0x3ff;
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uint64_t r = p & 0x3ff;
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r = r << 6 | r >> 4;
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g = g << 6 | g >> 4;
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b = b << 6 | b >> 4;
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a <<= 14;
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a |= a >> 2;
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a |= a >> 4;
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a |= a >> 8;
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*buffer++ = a << 48 | r << 32 | g << 16 | b;
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}
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}
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/* Expects a uint64_t buffer */
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static void
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fetch_scanline_x2b10g10r10 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * b,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint32_t *pixel = (uint32_t *)bits + x;
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const uint32_t *end = pixel + width;
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uint64_t *buffer = (uint64_t *)b;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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uint64_t b = (p >> 20) & 0x3ff;
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uint64_t g = (p >> 10) & 0x3ff;
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uint64_t r = p & 0x3ff;
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r = r << 6 | r >> 4;
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g = g << 6 | g >> 4;
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b = b << 6 | b >> 4;
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*buffer++ = 0xffffULL << 48 | r << 32 | g << 16 | b;
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}
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}
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static void
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fetch_scanline_r8g8b8 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint8_t *pixel = (const uint8_t *)bits + 3 * x;
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const uint8_t *end = pixel + 3 * width;
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while (pixel < end)
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{
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uint32_t b = 0xff000000;
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#ifdef WORDS_BIGENDIAN
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b |= (READ (image, pixel++) << 16);
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b |= (READ (image, pixel++) << 8);
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b |= (READ (image, pixel++));
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#else
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b |= (READ (image, pixel++));
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b |= (READ (image, pixel++) << 8);
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b |= (READ (image, pixel++) << 16);
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#endif
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*buffer++ = b;
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}
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}
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static void
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fetch_scanline_b8g8r8 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint8_t *pixel = (const uint8_t *)bits + 3 * x;
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const uint8_t *end = pixel + 3 * width;
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while (pixel < end)
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{
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uint32_t b = 0xff000000;
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#ifdef WORDS_BIGENDIAN
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b |= (READ (image, pixel++));
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b |= (READ (image, pixel++) << 8);
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b |= (READ (image, pixel++) << 16);
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#else
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b |= (READ (image, pixel++) << 16);
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b |= (READ (image, pixel++) << 8);
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b |= (READ (image, pixel++));
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#endif
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*buffer++ = b;
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}
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}
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static void
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fetch_scanline_r5g6b5 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint16_t *pixel = (const uint16_t *)bits + x;
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const uint16_t *end = pixel + width;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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uint32_t r = (((p) << 3) & 0xf8) |
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(((p) << 5) & 0xfc00) |
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(((p) << 8) & 0xf80000);
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r |= (r >> 5) & 0x70007;
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r |= (r >> 6) & 0x300;
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*buffer++ = 0xff000000 | r;
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}
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}
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|
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static void
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fetch_scanline_b5g6r5 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint16_t *pixel = (const uint16_t *)bits + x;
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const uint16_t *end = pixel + width;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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uint32_t r, g, b;
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b = ((p & 0xf800) | ((p & 0xe000) >> 5)) >> 8;
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g = ((p & 0x07e0) | ((p & 0x0600) >> 6)) << 5;
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r = ((p & 0x001c) | ((p & 0x001f) << 5)) << 14;
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*buffer++ = 0xff000000 | r | g | b;
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}
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}
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|
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static void
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fetch_scanline_a1r5g5b5 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask)
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{
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const uint32_t *bits = image->bits.bits + y * image->bits.rowstride;
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const uint16_t *pixel = (const uint16_t *)bits + x;
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const uint16_t *end = pixel + width;
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while (pixel < end)
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{
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uint32_t p = READ (image, pixel++);
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uint32_t r, g, b, a;
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a = (uint32_t) ((uint8_t) (0 - ((p & 0x8000) >> 15))) << 24;
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r = ((p & 0x7c00) | ((p & 0x7000) >> 5)) << 9;
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g = ((p & 0x03e0) | ((p & 0x0380) >> 5)) << 6;
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b = ((p & 0x001c) | ((p & 0x001f) << 5)) >> 2;
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*buffer++ = a | r | g | b;
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}
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}
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|
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static void
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fetch_scanline_x1r5g5b5 (pixman_image_t *image,
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int x,
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int y,
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int width,
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|
uint32_t * buffer,
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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,
|
|
int width,
|
|
uint32_t * buffer,
|
|
const uint32_t *mask)
|
|
{
|
|
const uint32_t *bits = image->bits.bits + image->bits.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 (pixman_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 *****************************/
|
|
|
|
/* Despite the type, expects a uint64_t buffer */
|
|
static uint64_t
|
|
fetch_pixel_a2r10g10b10 (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;
|
|
|
|
r = r << 6 | r >> 4;
|
|
g = g << 6 | g >> 4;
|
|
b = b << 6 | b >> 4;
|
|
|
|
a <<= 14;
|
|
a |= a >> 2;
|
|
a |= a >> 4;
|
|
a |= a >> 8;
|
|
|
|
return a << 48 | r << 32 | g << 16 | b;
|
|
}
|
|
|
|
/* Despite the type, this function expects a uint64_t buffer */
|
|
static uint64_t
|
|
fetch_pixel_x2r10g10b10 (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;
|
|
|
|
r = r << 6 | r >> 4;
|
|
g = g << 6 | g >> 4;
|
|
b = b << 6 | b >> 4;
|
|
|
|
return 0xffffULL << 48 | r << 32 | g << 16 | b;
|
|
}
|
|
|
|
/* Despite the type, expects a uint64_t buffer */
|
|
static uint64_t
|
|
fetch_pixel_a2b10g10r10 (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;
|
|
|
|
r = r << 6 | r >> 4;
|
|
g = g << 6 | g >> 4;
|
|
b = b << 6 | b >> 4;
|
|
|
|
a <<= 14;
|
|
a |= a >> 2;
|
|
a |= a >> 4;
|
|
a |= a >> 8;
|
|
|
|
return a << 48 | r << 32 | g << 16 | b;
|
|
}
|
|
|
|
/* Despite the type, this function expects a uint64_t buffer */
|
|
static uint64_t
|
|
fetch_pixel_x2b10g10r10 (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;
|
|
|
|
r = r << 6 | r >> 4;
|
|
g = g << 6 | g >> 4;
|
|
b = b << 6 | b >> 4;
|
|
|
|
return 0xffffULL << 48 | r << 32 | g << 16 | b;
|
|
}
|
|
|
|
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_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)
|
|
{
|
|
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 ************************************/
|
|
|
|
#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,
|
|
int y,
|
|
int width,
|
|
const uint32_t *v)
|
|
{
|
|
uint32_t *bits = image->bits + image->rowstride * y;
|
|
uint32_t *pixel = bits + x;
|
|
uint64_t *values = (uint64_t *)v;
|
|
int i;
|
|
|
|
for (i = 0; i < width; ++i)
|
|
{
|
|
WRITE (image, pixel++,
|
|
((values[i] >> 32) & 0xc0000000) |
|
|
((values[i] >> 18) & 0x3ff00000) |
|
|
((values[i] >> 12) & 0xffc00) |
|
|
((values[i] >> 6) & 0x3ff));
|
|
}
|
|
}
|
|
|
|
static void
|
|
store_scanline_x2r10g10b10 (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;
|
|
int i;
|
|
|
|
for (i = 0; i < width; ++i)
|
|
{
|
|
WRITE (image, pixel++,
|
|
((values[i] >> 18) & 0x3ff00000) |
|
|
((values[i] >> 12) & 0xffc00) |
|
|
((values[i] >> 6) & 0x3ff));
|
|
}
|
|
}
|
|
|
|
static void
|
|
store_scanline_a2b10g10r10 (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;
|
|
uint64_t *values = (uint64_t *)v;
|
|
int i;
|
|
|
|
for (i = 0; i < width; ++i)
|
|
{
|
|
WRITE (image, pixel++,
|
|
((values[i] >> 32) & 0xc0000000) |
|
|
((values[i] >> 38) & 0x3ff) |
|
|
((values[i] >> 12) & 0xffc00) |
|
|
((values[i] << 14) & 0x3ff00000));
|
|
}
|
|
}
|
|
|
|
static void
|
|
store_scanline_x2b10g10r10 (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;
|
|
int i;
|
|
|
|
for (i = 0; i < width; ++i)
|
|
{
|
|
WRITE (image, pixel++,
|
|
((values[i] >> 38) & 0x3ff) |
|
|
((values[i] >> 12) & 0xffc00) |
|
|
((values[i] << 14) & 0x3ff00000));
|
|
}
|
|
}
|
|
|
|
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_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.
|
|
*/
|
|
static void
|
|
store_scanline_generic_64 (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 (argb8_pixels, (uint64_t *)values, width);
|
|
|
|
image->store_scanline_32 (image, x, y, width, argb8_pixels);
|
|
|
|
free (argb8_pixels);
|
|
}
|
|
|
|
/* Despite the type, this function expects both buffer
|
|
* and mask to be uint64_t
|
|
*/
|
|
static void
|
|
fetch_scanline_generic_64 (pixman_image_t *image,
|
|
int x,
|
|
int y,
|
|
int width,
|
|
uint32_t * buffer,
|
|
const uint32_t *mask)
|
|
{
|
|
pixman_format_code_t format;
|
|
|
|
/* Fetch the pixels into the first half of buffer and then expand them in
|
|
* place.
|
|
*/
|
|
image->bits.fetch_scanline_32 (image, x, y, width, buffer, NULL);
|
|
|
|
format = image->bits.format;
|
|
if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR ||
|
|
PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY)
|
|
{
|
|
/* Indexed formats are mapped to a8r8g8b8 with full
|
|
* 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);
|
|
}
|
|
|
|
/* Despite the type, this function expects a uint64_t *buffer */
|
|
static uint64_t
|
|
fetch_pixel_generic_64 (bits_image_t *image,
|
|
int offset,
|
|
int line)
|
|
{
|
|
uint32_t pixel32 = image->fetch_pixel_32 (image, offset, line);
|
|
uint64_t result;
|
|
pixman_format_code_t format;
|
|
|
|
format = image->format;
|
|
if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR ||
|
|
PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY)
|
|
{
|
|
/* Indexed formats are mapped to a8r8g8b8 with full
|
|
* 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;
|
|
}
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
uint64_t pixel64 = image->fetch_pixel_64 (image, offset, line);
|
|
uint32_t result;
|
|
|
|
pixman_contract (&result, &pixel64, 1);
|
|
|
|
return result;
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
pixman_format_code_t format;
|
|
fetch_scanline_t fetch_scanline_32;
|
|
fetch_scanline_t fetch_scanline_64;
|
|
fetch_pixel_32_t fetch_pixel_32;
|
|
fetch_pixel_64_t fetch_pixel_64;
|
|
store_scanline_t store_scanline_32;
|
|
store_scanline_t store_scanline_64;
|
|
} format_info_t;
|
|
|
|
#define FORMAT_INFO(format) \
|
|
{ \
|
|
PIXMAN_ ## format, \
|
|
fetch_scanline_ ## format, \
|
|
fetch_scanline_generic_64, \
|
|
fetch_pixel_ ## format, fetch_pixel_generic_64, \
|
|
store_scanline_ ## format, store_scanline_generic_64 \
|
|
}
|
|
|
|
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 (x14r6g6b6),
|
|
|
|
/* 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),
|
|
|
|
#define fetch_scanline_g8 fetch_scanline_c8
|
|
#define fetch_pixel_g8 fetch_pixel_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_c8
|
|
#define fetch_pixel_x4g4 fetch_pixel_c8
|
|
#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),
|
|
|
|
#define fetch_scanline_g4 fetch_scanline_c4
|
|
#define fetch_pixel_g4 fetch_pixel_c4
|
|
FORMAT_INFO (g4),
|
|
|
|
/* 1bpp formats */
|
|
FORMAT_INFO (a1),
|
|
FORMAT_INFO (g1),
|
|
|
|
/* Wide formats */
|
|
|
|
{ PIXMAN_a2r10g10b10,
|
|
NULL, fetch_scanline_a2r10g10b10,
|
|
fetch_pixel_generic_lossy_32, fetch_pixel_a2r10g10b10,
|
|
NULL, store_scanline_a2r10g10b10 },
|
|
|
|
{ PIXMAN_x2r10g10b10,
|
|
NULL, fetch_scanline_x2r10g10b10,
|
|
fetch_pixel_generic_lossy_32, fetch_pixel_x2r10g10b10,
|
|
NULL, store_scanline_x2r10g10b10 },
|
|
|
|
{ PIXMAN_a2b10g10r10,
|
|
NULL, fetch_scanline_a2b10g10r10,
|
|
fetch_pixel_generic_lossy_32, fetch_pixel_a2b10g10r10,
|
|
NULL, store_scanline_a2b10g10r10 },
|
|
|
|
{ PIXMAN_x2b10g10r10,
|
|
NULL, fetch_scanline_x2b10g10r10,
|
|
fetch_pixel_generic_lossy_32, fetch_pixel_x2b10g10r10,
|
|
NULL, store_scanline_x2b10g10r10 },
|
|
|
|
/* YUV formats */
|
|
{ PIXMAN_yuy2,
|
|
fetch_scanline_yuy2, fetch_scanline_generic_64,
|
|
fetch_pixel_yuy2, fetch_pixel_generic_64,
|
|
NULL, NULL },
|
|
|
|
{ PIXMAN_yv12,
|
|
fetch_scanline_yv12, fetch_scanline_generic_64,
|
|
fetch_pixel_yv12, fetch_pixel_generic_64,
|
|
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_64 = info->fetch_scanline_64;
|
|
image->fetch_pixel_32 = info->fetch_pixel_32;
|
|
image->fetch_pixel_64 = info->fetch_pixel_64;
|
|
image->store_scanline_32 = info->store_scanline_32;
|
|
image->store_scanline_64 = info->store_scanline_64;
|
|
|
|
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
|