| /* -*- 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 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 void |
| noop_init_solid_narrow (pixman_iter_t *iter, |
| const pixman_iter_info_t *info) |
| { |
| pixman_image_t *image = iter->image; |
| uint32_t *buffer = iter->buffer; |
| uint32_t *end = buffer + iter->width; |
| uint32_t color; |
| |
| if (iter->image->type == SOLID) |
| color = image->solid.color_32; |
| else |
| color = image->bits.fetch_pixel_32 (&image->bits, 0, 0); |
| |
| while (buffer < end) |
| *(buffer++) = color; |
| } |
| |
| static void |
| noop_init_solid_wide (pixman_iter_t *iter, |
| const pixman_iter_info_t *info) |
| { |
| pixman_image_t *image = iter->image; |
| argb_t *buffer = (argb_t *)iter->buffer; |
| argb_t *end = buffer + iter->width; |
| argb_t color; |
| |
| if (iter->image->type == SOLID) |
| color = image->solid.color_float; |
| else |
| color = image->bits.fetch_pixel_float (&image->bits, 0, 0); |
| |
| while (buffer < end) |
| *(buffer++) = color; |
| } |
| |
| static void |
| noop_init_direct_buffer (pixman_iter_t *iter, const pixman_iter_info_t *info) |
| { |
| pixman_image_t *image = iter->image; |
| |
| iter->buffer = |
| image->bits.bits + iter->y * image->bits.rowstride + iter->x; |
| } |
| |
| static void |
| dest_write_back_direct (pixman_iter_t *iter) |
| { |
| iter->buffer += iter->image->bits.rowstride; |
| } |
| |
| static const pixman_iter_info_t noop_iters[] = |
| { |
| /* Source iters */ |
| { PIXMAN_any, |
| 0, ITER_IGNORE_ALPHA | ITER_IGNORE_RGB | ITER_SRC, |
| NULL, |
| _pixman_iter_get_scanline_noop, |
| NULL |
| }, |
| { PIXMAN_solid, |
| FAST_PATH_NO_ALPHA_MAP, ITER_NARROW | ITER_SRC, |
| noop_init_solid_narrow, |
| _pixman_iter_get_scanline_noop, |
| NULL, |
| }, |
| { PIXMAN_solid, |
| FAST_PATH_NO_ALPHA_MAP, ITER_WIDE | ITER_SRC, |
| noop_init_solid_wide, |
| _pixman_iter_get_scanline_noop, |
| NULL |
| }, |
| { PIXMAN_a8r8g8b8, |
| FAST_PATH_STANDARD_FLAGS | FAST_PATH_ID_TRANSFORM | |
| FAST_PATH_BITS_IMAGE | FAST_PATH_SAMPLES_COVER_CLIP_NEAREST, |
| ITER_NARROW | ITER_SRC, |
| noop_init_direct_buffer, |
| noop_get_scanline, |
| NULL |
| }, |
| /* Dest iters */ |
| { PIXMAN_a8r8g8b8, |
| FAST_PATH_STD_DEST_FLAGS, ITER_NARROW | ITER_DEST, |
| noop_init_direct_buffer, |
| _pixman_iter_get_scanline_noop, |
| dest_write_back_direct |
| }, |
| { PIXMAN_x8r8g8b8, |
| FAST_PATH_STD_DEST_FLAGS, ITER_NARROW | ITER_DEST | ITER_LOCALIZED_ALPHA, |
| noop_init_direct_buffer, |
| _pixman_iter_get_scanline_noop, |
| dest_write_back_direct |
| }, |
| { PIXMAN_null }, |
| }; |
| |
| 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->iter_info = noop_iters; |
| |
| return imp; |
| } |