mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-16 03:42:35 +03:00
177 lines
4.9 KiB
C
177 lines
4.9 KiB
C
|
/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */
|
||
|
/*
|
||
|
* Copyright © 2011 Red Hat, Inc.
|
||
|
*
|
||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
* copy of this software and associated documentation files (the "Software"),
|
||
|
* to deal in the Software without restriction, including without limitation
|
||
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||
|
* Software is furnished to do so, subject to the following conditions:
|
||
|
*
|
||
|
* The above copyright notice and this permission notice (including the next
|
||
|
* paragraph) shall be included in all copies or substantial portions of the
|
||
|
* Software.
|
||
|
*
|
||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||
|
* DEALINGS IN THE SOFTWARE.
|
||
|
*/
|
||
|
#ifdef HAVE_CONFIG_H
|
||
|
#include <config.h>
|
||
|
#endif
|
||
|
#include <string.h>
|
||
|
#include <stdlib.h>
|
||
|
#include "pixman-private.h"
|
||
|
#include "pixman-combine32.h"
|
||
|
#include "pixman-inlines.h"
|
||
|
|
||
|
static void
|
||
|
noop_composite (pixman_implementation_t *imp,
|
||
|
pixman_composite_info_t *info)
|
||
|
{
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
dest_write_back_direct (pixman_iter_t *iter)
|
||
|
{
|
||
|
iter->buffer += iter->image->bits.rowstride;
|
||
|
}
|
||
|
|
||
|
static uint32_t *
|
||
|
noop_get_scanline (pixman_iter_t *iter, const uint32_t *mask)
|
||
|
{
|
||
|
uint32_t *result = iter->buffer;
|
||
|
|
||
|
iter->buffer += iter->image->bits.rowstride;
|
||
|
|
||
|
return result;
|
||
|
}
|
||
|
|
||
|
static uint32_t *
|
||
|
get_scanline_null (pixman_iter_t *iter, const uint32_t *mask)
|
||
|
{
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
static pixman_bool_t
|
||
|
noop_src_iter_init (pixman_implementation_t *imp, pixman_iter_t *iter)
|
||
|
{
|
||
|
pixman_image_t *image = iter->image;
|
||
|
|
||
|
#define FLAGS \
|
||
|
(FAST_PATH_STANDARD_FLAGS | FAST_PATH_ID_TRANSFORM)
|
||
|
|
||
|
if (!image)
|
||
|
{
|
||
|
iter->get_scanline = get_scanline_null;
|
||
|
}
|
||
|
else if ((iter->iter_flags & (ITER_IGNORE_ALPHA | ITER_IGNORE_RGB)) ==
|
||
|
(ITER_IGNORE_ALPHA | ITER_IGNORE_RGB))
|
||
|
{
|
||
|
iter->get_scanline = _pixman_iter_get_scanline_noop;
|
||
|
}
|
||
|
else if (image->common.extended_format_code == PIXMAN_solid &&
|
||
|
(iter->image->type == SOLID ||
|
||
|
(iter->image_flags & FAST_PATH_NO_ALPHA_MAP)))
|
||
|
{
|
||
|
if (iter->iter_flags & ITER_NARROW)
|
||
|
{
|
||
|
uint32_t *buffer = iter->buffer;
|
||
|
uint32_t *end = buffer + iter->width;
|
||
|
uint32_t color;
|
||
|
|
||
|
if (image->type == SOLID)
|
||
|
color = image->solid.color_32;
|
||
|
else
|
||
|
color = image->bits.fetch_pixel_32 (&image->bits, 0, 0);
|
||
|
|
||
|
while (buffer < end)
|
||
|
*(buffer++) = color;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
argb_t *buffer = (argb_t *)iter->buffer;
|
||
|
argb_t *end = buffer + iter->width;
|
||
|
argb_t color;
|
||
|
|
||
|
if (image->type == SOLID)
|
||
|
color = image->solid.color_float;
|
||
|
else
|
||
|
color = image->bits.fetch_pixel_float (&image->bits, 0, 0);
|
||
|
|
||
|
while (buffer < end)
|
||
|
*(buffer++) = color;
|
||
|
}
|
||
|
|
||
|
iter->get_scanline = _pixman_iter_get_scanline_noop;
|
||
|
}
|
||
|
else if (image->common.extended_format_code == PIXMAN_a8r8g8b8 &&
|
||
|
(iter->iter_flags & ITER_NARROW) &&
|
||
|
(iter->image_flags & FLAGS) == FLAGS &&
|
||
|
iter->x >= 0 && iter->y >= 0 &&
|
||
|
iter->x + iter->width <= image->bits.width &&
|
||
|
iter->y + iter->height <= image->bits.height)
|
||
|
{
|
||
|
iter->buffer =
|
||
|
image->bits.bits + iter->y * image->bits.rowstride + iter->x;
|
||
|
|
||
|
iter->get_scanline = noop_get_scanline;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
static pixman_bool_t
|
||
|
noop_dest_iter_init (pixman_implementation_t *imp, pixman_iter_t *iter)
|
||
|
{
|
||
|
pixman_image_t *image = iter->image;
|
||
|
uint32_t image_flags = iter->image_flags;
|
||
|
uint32_t iter_flags = iter->iter_flags;
|
||
|
|
||
|
if ((image_flags & FAST_PATH_STD_DEST_FLAGS) == FAST_PATH_STD_DEST_FLAGS &&
|
||
|
(iter_flags & ITER_NARROW) == ITER_NARROW &&
|
||
|
((image->common.extended_format_code == PIXMAN_a8r8g8b8) ||
|
||
|
(image->common.extended_format_code == PIXMAN_x8r8g8b8 &&
|
||
|
(iter_flags & (ITER_LOCALIZED_ALPHA)))))
|
||
|
{
|
||
|
iter->buffer = image->bits.bits + iter->y * image->bits.rowstride + iter->x;
|
||
|
|
||
|
iter->get_scanline = _pixman_iter_get_scanline_noop;
|
||
|
iter->write_back = dest_write_back_direct;
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return FALSE;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static const pixman_fast_path_t noop_fast_paths[] =
|
||
|
{
|
||
|
{ PIXMAN_OP_DST, PIXMAN_any, 0, PIXMAN_any, 0, PIXMAN_any, 0, noop_composite },
|
||
|
{ PIXMAN_OP_NONE },
|
||
|
};
|
||
|
|
||
|
pixman_implementation_t *
|
||
|
_pixman_implementation_create_noop (pixman_implementation_t *fallback)
|
||
|
{
|
||
|
pixman_implementation_t *imp =
|
||
|
_pixman_implementation_create (fallback, noop_fast_paths);
|
||
|
|
||
|
imp->src_iter_init = noop_src_iter_init;
|
||
|
imp->dest_iter_init = noop_dest_iter_init;
|
||
|
|
||
|
return imp;
|
||
|
}
|