/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */ /* * Copyright © 2000 SuSE, Inc. * Copyright © 2007 Red Hat, Inc. * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of SuSE not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission. SuSE makes no representations about the * suitability of this software for any purpose. It is provided "as is" * without express or implied warranty. * * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Author: Keith Packard, SuSE, Inc. */ #ifdef HAVE_CONFIG_H #include #endif #include #include "pixman-private.h" #include "pixman-combine32.h" static force_inline uint32_t fetch_24 (uint8_t *a) { if (((unsigned long)a) & 1) { #ifdef WORDS_BIGENDIAN return (*a << 16) | (*(uint16_t *)(a + 1)); #else return *a | (*(uint16_t *)(a + 1) << 8); #endif } else { #ifdef WORDS_BIGENDIAN return (*(uint16_t *)a << 8) | *(a + 2); #else return *(uint16_t *)a | (*(a + 2) << 16); #endif } } static force_inline void store_24 (uint8_t *a, uint32_t v) { if (((unsigned long)a) & 1) { #ifdef WORDS_BIGENDIAN *a = (uint8_t) (v >> 16); *(uint16_t *)(a + 1) = (uint16_t) (v); #else *a = (uint8_t) (v); *(uint16_t *)(a + 1) = (uint16_t) (v >> 8); #endif } else { #ifdef WORDS_BIGENDIAN *(uint16_t *)a = (uint16_t)(v >> 8); *(a + 2) = (uint8_t)v; #else *(uint16_t *)a = (uint16_t)v; *(a + 2) = (uint8_t)(v >> 16); #endif } } static force_inline uint32_t over (uint32_t src, uint32_t dest) { uint32_t a = ~src >> 24; UN8x4_MUL_UN8_ADD_UN8x4 (dest, a, src); return dest; } static uint32_t in (uint32_t x, uint8_t y) { uint16_t a = y; UN8x4_MUL_UN8 (x, a); return x; } /* * Naming convention: * * op_src_mask_dest */ static void fast_composite_over_x888_8_8888 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t *src, *src_line; uint32_t *dst, *dst_line; uint8_t *mask, *mask_line; int src_stride, mask_stride, dst_stride; uint8_t m; uint32_t s, d; int32_t w; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); while (height--) { src = src_line; src_line += src_stride; dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { m = *mask++; if (m) { s = *src | 0xff000000; if (m == 0xff) { *dst = s; } else { d = in (s, m); *dst = over (d, *dst); } } src++; dst++; } } } static void fast_composite_in_n_8_8 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dest_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca; uint8_t *dst_line, *dst; uint8_t *mask_line, *mask, m; int dst_stride, mask_stride; int32_t w; uint16_t t; src = _pixman_image_get_solid (src_image, dest_image->bits.format); srca = src >> 24; PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); if (srca == 0xff) { while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { m = *mask++; if (m == 0) *dst = 0; else if (m != 0xff) *dst = MUL_UN8 (m, *dst, t); dst++; } } } else { while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { m = *mask++; m = MUL_UN8 (m, srca, t); if (m == 0) *dst = 0; else if (m != 0xff) *dst = MUL_UN8 (m, *dst, t); dst++; } } } } static void fast_composite_in_8_8 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dest_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint8_t *dst_line, *dst; uint8_t *src_line, *src; int dst_stride, src_stride; int32_t w; uint8_t s; uint16_t t; PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1); PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; src = src_line; src_line += src_stride; w = width; while (w--) { s = *src++; if (s == 0) *dst = 0; else if (s != 0xff) *dst = MUL_UN8 (s, *dst, t); dst++; } } } static void fast_composite_over_n_8_8888 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca; uint32_t *dst_line, *dst, d; uint8_t *mask_line, *mask, m; int dst_stride, mask_stride; int32_t w; src = _pixman_image_get_solid (src_image, dst_image->bits.format); srca = src >> 24; if (src == 0) return; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { m = *mask++; if (m == 0xff) { if (srca == 0xff) *dst = src; else *dst = over (src, *dst); } else if (m) { d = in (src, m); *dst = over (d, *dst); } dst++; } } } static void fast_composite_add_n_8888_8888_ca (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca, s; uint32_t *dst_line, *dst, d; uint32_t *mask_line, *mask, ma; int dst_stride, mask_stride; int32_t w; src = _pixman_image_get_solid (src_image, dst_image->bits.format); srca = src >> 24; if (src == 0) return; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { ma = *mask++; if (ma) { d = *dst; s = src; UN8x4_MUL_UN8x4_ADD_UN8x4 (s, ma, d); *dst = s; } dst++; } } } static void fast_composite_over_n_8888_8888_ca (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca, s; uint32_t *dst_line, *dst, d; uint32_t *mask_line, *mask, ma; int dst_stride, mask_stride; int32_t w; src = _pixman_image_get_solid (src_image, dst_image->bits.format); srca = src >> 24; if (src == 0) return; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { ma = *mask++; if (ma == 0xffffffff) { if (srca == 0xff) *dst = src; else *dst = over (src, *dst); } else if (ma) { d = *dst; s = src; UN8x4_MUL_UN8x4 (s, ma); UN8x4_MUL_UN8 (ma, srca); ma = ~ma; UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, s); *dst = d; } dst++; } } } static void fast_composite_over_n_8_0888 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca; uint8_t *dst_line, *dst; uint32_t d; uint8_t *mask_line, *mask, m; int dst_stride, mask_stride; int32_t w; src = _pixman_image_get_solid (src_image, dst_image->bits.format); srca = src >> 24; if (src == 0) return; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { m = *mask++; if (m == 0xff) { if (srca == 0xff) { d = src; } else { d = fetch_24 (dst); d = over (src, d); } store_24 (dst, d); } else if (m) { d = over (in (src, m), fetch_24 (dst)); store_24 (dst, d); } dst += 3; } } } static void fast_composite_over_n_8_0565 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca; uint16_t *dst_line, *dst; uint32_t d; uint8_t *mask_line, *mask, m; int dst_stride, mask_stride; int32_t w; src = _pixman_image_get_solid (src_image, dst_image->bits.format); srca = src >> 24; if (src == 0) return; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { m = *mask++; if (m == 0xff) { if (srca == 0xff) { d = src; } else { d = *dst; d = over (src, CONVERT_0565_TO_0888 (d)); } *dst = CONVERT_8888_TO_0565 (d); } else if (m) { d = *dst; d = over (in (src, m), CONVERT_0565_TO_0888 (d)); *dst = CONVERT_8888_TO_0565 (d); } dst++; } } } static void fast_composite_over_n_8888_0565_ca (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca, s; uint16_t src16; uint16_t *dst_line, *dst; uint32_t d; uint32_t *mask_line, *mask, ma; int dst_stride, mask_stride; int32_t w; src = _pixman_image_get_solid (src_image, dst_image->bits.format); srca = src >> 24; if (src == 0) return; src16 = CONVERT_8888_TO_0565 (src); PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint32_t, mask_stride, mask_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { ma = *mask++; if (ma == 0xffffffff) { if (srca == 0xff) { *dst = src16; } else { d = *dst; d = over (src, CONVERT_0565_TO_0888 (d)); *dst = CONVERT_8888_TO_0565 (d); } } else if (ma) { d = *dst; d = CONVERT_0565_TO_0888 (d); s = src; UN8x4_MUL_UN8x4 (s, ma); UN8x4_MUL_UN8 (ma, srca); ma = ~ma; UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ma, s); *dst = CONVERT_8888_TO_0565 (d); } dst++; } } } static void fast_composite_over_8888_8888 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t *dst_line, *dst; uint32_t *src_line, *src, s; int dst_stride, src_stride; uint8_t a; int32_t w; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; src = src_line; src_line += src_stride; w = width; while (w--) { s = *src++; a = s >> 24; if (a == 0xff) *dst = s; else if (s) *dst = over (s, *dst); dst++; } } } #if 0 static void fast_composite_over_8888_0888 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint8_t *dst_line, *dst; uint32_t d; uint32_t *src_line, *src, s; uint8_t a; int dst_stride, src_stride; int32_t w; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 3); PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; src = src_line; src_line += src_stride; w = width; while (w--) { s = *src++; a = s >> 24; if (a) { if (a == 0xff) d = s; else d = over (s, fetch_24 (dst)); store_24 (dst, d); } dst += 3; } } } #endif static void fast_composite_over_8888_0565 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint16_t *dst_line, *dst; uint32_t d; uint32_t *src_line, *src, s; uint8_t a; int dst_stride, src_stride; int32_t w; PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; src = src_line; src_line += src_stride; w = width; while (w--) { s = *src++; a = s >> 24; if (s) { if (a == 0xff) { d = s; } else { d = *dst; d = over (s, CONVERT_0565_TO_0888 (d)); } *dst = CONVERT_8888_TO_0565 (d); } dst++; } } } static void fast_composite_src_x888_0565 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint16_t *dst_line, *dst; uint32_t *src_line, *src, s; int dst_stride, src_stride; int32_t w; PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; src = src_line; src_line += src_stride; w = width; while (w--) { s = *src++; *dst = CONVERT_8888_TO_0565 (s); dst++; } } } static void fast_composite_add_8000_8000 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint8_t *dst_line, *dst; uint8_t *src_line, *src; int dst_stride, src_stride; int32_t w; uint8_t s, d; uint16_t t; PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint8_t, src_stride, src_line, 1); PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; src = src_line; src_line += src_stride; w = width; while (w--) { s = *src++; if (s) { if (s != 0xff) { d = *dst; t = d + s; s = t | (0 - (t >> 8)); } *dst = s; } dst++; } } } static void fast_composite_add_8888_8888 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t *dst_line, *dst; uint32_t *src_line, *src; int dst_stride, src_stride; int32_t w; uint32_t s, d; PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src_line, 1); PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; src = src_line; src_line += src_stride; w = width; while (w--) { s = *src++; if (s) { if (s != 0xffffffff) { d = *dst; if (d) UN8x4_ADD_UN8x4 (s, d); } *dst = s; } dst++; } } } static void fast_composite_add_n_8_8 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint8_t *dst_line, *dst; uint8_t *mask_line, *mask; int dst_stride, mask_stride; int32_t w; uint32_t src; uint8_t sa; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint8_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, mask_x, mask_y, uint8_t, mask_stride, mask_line, 1); src = _pixman_image_get_solid (src_image, dst_image->bits.format); sa = (src >> 24); while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; while (w--) { uint16_t tmp; uint16_t a; uint32_t m, d; uint32_t r; a = *mask++; d = *dst; m = MUL_UN8 (sa, a, tmp); r = ADD_UN8 (m, d, tmp); *dst++ = r; } } } #ifdef WORDS_BIGENDIAN #define CREATE_BITMASK(n) (0x80000000 >> (n)) #define UPDATE_BITMASK(n) ((n) >> 1) #else #define CREATE_BITMASK(n) (1 << (n)) #define UPDATE_BITMASK(n) ((n) << 1) #endif #define TEST_BIT(p, n) \ (*((p) + ((n) >> 5)) & CREATE_BITMASK ((n) & 31)) #define SET_BIT(p, n) \ do { *((p) + ((n) >> 5)) |= CREATE_BITMASK ((n) & 31); } while (0); static void fast_composite_add_1000_1000 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t *dst_line, *dst; uint32_t *src_line, *src; int dst_stride, src_stride; int32_t w; PIXMAN_IMAGE_GET_LINE (src_image, 0, src_y, uint32_t, src_stride, src_line, 1); PIXMAN_IMAGE_GET_LINE (dst_image, 0, dest_y, uint32_t, dst_stride, dst_line, 1); while (height--) { dst = dst_line; dst_line += dst_stride; src = src_line; src_line += src_stride; w = width; while (w--) { /* * TODO: improve performance by processing uint32_t data instead * of individual bits */ if (TEST_BIT (src, src_x + w)) SET_BIT (dst, dest_x + w); } } } static void fast_composite_over_n_1_8888 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca; uint32_t *dst, *dst_line; uint32_t *mask, *mask_line; int mask_stride, dst_stride; uint32_t bitcache, bitmask; int32_t w; if (width <= 0) return; src = _pixman_image_get_solid (src_image, dst_image->bits.format); srca = src >> 24; if (src == 0) return; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, 0, mask_y, uint32_t, mask_stride, mask_line, 1); mask_line += mask_x >> 5; if (srca == 0xff) { while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; bitcache = *mask++; bitmask = CREATE_BITMASK (mask_x & 31); while (w--) { if (bitmask == 0) { bitcache = *mask++; bitmask = CREATE_BITMASK (0); } if (bitcache & bitmask) *dst = src; bitmask = UPDATE_BITMASK (bitmask); dst++; } } } else { while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; bitcache = *mask++; bitmask = CREATE_BITMASK (mask_x & 31); while (w--) { if (bitmask == 0) { bitcache = *mask++; bitmask = CREATE_BITMASK (0); } if (bitcache & bitmask) *dst = over (src, *dst); bitmask = UPDATE_BITMASK (bitmask); dst++; } } } } static void fast_composite_over_n_1_0565 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src, srca; uint16_t *dst, *dst_line; uint32_t *mask, *mask_line; int mask_stride, dst_stride; uint32_t bitcache, bitmask; int32_t w; uint32_t d; uint16_t src565; if (width <= 0) return; src = _pixman_image_get_solid (src_image, dst_image->bits.format); srca = src >> 24; if (src == 0) return; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); PIXMAN_IMAGE_GET_LINE (mask_image, 0, mask_y, uint32_t, mask_stride, mask_line, 1); mask_line += mask_x >> 5; if (srca == 0xff) { src565 = CONVERT_8888_TO_0565 (src); while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; bitcache = *mask++; bitmask = CREATE_BITMASK (mask_x & 31); while (w--) { if (bitmask == 0) { bitcache = *mask++; bitmask = CREATE_BITMASK (0); } if (bitcache & bitmask) *dst = src565; bitmask = UPDATE_BITMASK (bitmask); dst++; } } } else { while (height--) { dst = dst_line; dst_line += dst_stride; mask = mask_line; mask_line += mask_stride; w = width; bitcache = *mask++; bitmask = CREATE_BITMASK (mask_x & 31); while (w--) { if (bitmask == 0) { bitcache = *mask++; bitmask = CREATE_BITMASK (0); } if (bitcache & bitmask) { d = over (src, CONVERT_0565_TO_0888 (*dst)); *dst = CONVERT_8888_TO_0565 (d); } bitmask = UPDATE_BITMASK (bitmask); dst++; } } } } /* * Simple bitblt */ static void fast_composite_solid_fill (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t src; src = _pixman_image_get_solid (src_image, dst_image->bits.format); if (dst_image->bits.format == PIXMAN_a8) { src = src >> 24; } else if (dst_image->bits.format == PIXMAN_r5g6b5 || dst_image->bits.format == PIXMAN_b5g6r5) { src = CONVERT_8888_TO_0565 (src); } pixman_fill (dst_image->bits.bits, dst_image->bits.rowstride, PIXMAN_FORMAT_BPP (dst_image->bits.format), dest_x, dest_y, width, height, src); } static void fast_composite_src_8888_x888 (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t *dst; uint32_t *src; int dst_stride, src_stride; uint32_t n_bytes = width * sizeof (uint32_t); PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint32_t, src_stride, src, 1); PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst, 1); while (height--) { memcpy (dst, src, n_bytes); dst += dst_stride; src += src_stride; } } static force_inline pixman_bool_t repeat (pixman_repeat_t repeat, int *c, int size) { if (repeat == PIXMAN_REPEAT_NONE) { if (*c < 0 || *c >= size) return FALSE; } else if (repeat == PIXMAN_REPEAT_NORMAL) { while (*c >= size) *c -= size; while (*c < 0) *c += size; } else if (repeat == PIXMAN_REPEAT_PAD) { *c = CLIP (*c, 0, size - 1); } else /* REFLECT */ { *c = MOD (*c, size * 2); if (*c >= size) *c = size * 2 - *c - 1; } return TRUE; } static force_inline uint32_t fetch_nearest (pixman_repeat_t src_repeat, pixman_format_code_t format, uint32_t *src, int x, int src_width) { if (repeat (src_repeat, &x, src_width)) { if (format == PIXMAN_x8r8g8b8) return *(src + x) | 0xff000000; else return *(src + x); } else { return 0; } } static force_inline void combine_over (uint32_t s, uint32_t *dst) { if (s) { uint8_t ia = 0xff - (s >> 24); if (ia) UN8x4_MUL_UN8_ADD_UN8x4 (*dst, ia, s); else *dst = s; } } static force_inline void combine_src (uint32_t s, uint32_t *dst) { *dst = s; } static void fast_composite_scaled_nearest (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int32_t src_x, int32_t src_y, int32_t mask_x, int32_t mask_y, int32_t dest_x, int32_t dest_y, int32_t width, int32_t height) { uint32_t *dst_line; uint32_t *src_line; int dst_stride, src_stride; int src_width, src_height; pixman_repeat_t src_repeat; pixman_fixed_t unit_x, unit_y; pixman_format_code_t src_format; pixman_vector_t v; pixman_fixed_t vy; PIXMAN_IMAGE_GET_LINE (dst_image, dest_x, dest_y, uint32_t, dst_stride, dst_line, 1); /* pass in 0 instead of src_x and src_y because src_x and src_y need to be * transformed from destination space to source space */ PIXMAN_IMAGE_GET_LINE (src_image, 0, 0, uint32_t, src_stride, src_line, 1); /* reference point is the center of the pixel */ v.vector[0] = pixman_int_to_fixed (src_x) + pixman_fixed_1 / 2; v.vector[1] = pixman_int_to_fixed (src_y) + pixman_fixed_1 / 2; v.vector[2] = pixman_fixed_1; if (!pixman_transform_point_3d (src_image->common.transform, &v)) return; unit_x = src_image->common.transform->matrix[0][0]; unit_y = src_image->common.transform->matrix[1][1]; /* Round down to closest integer, ensuring that 0.5 rounds to 0, not 1 */ v.vector[0] -= pixman_fixed_e; v.vector[1] -= pixman_fixed_e; src_height = src_image->bits.height; src_width = src_image->bits.width; src_repeat = src_image->common.repeat; src_format = src_image->bits.format; vy = v.vector[1]; while (height--) { pixman_fixed_t vx = v.vector[0]; int y = pixman_fixed_to_int (vy); uint32_t *dst = dst_line; dst_line += dst_stride; /* adjust the y location by a unit vector in the y direction * this is equivalent to transforming y+1 of the destination point to source space */ vy += unit_y; if (!repeat (src_repeat, &y, src_height)) { if (op == PIXMAN_OP_SRC) memset (dst, 0, sizeof (*dst) * width); } else { int w = width; uint32_t *src = src_line + y * src_stride; while (w >= 2) { uint32_t s1, s2; int x1, x2; x1 = pixman_fixed_to_int (vx); vx += unit_x; x2 = pixman_fixed_to_int (vx); vx += unit_x; w -= 2; s1 = fetch_nearest (src_repeat, src_format, src, x1, src_width); s2 = fetch_nearest (src_repeat, src_format, src, x2, src_width); if (op == PIXMAN_OP_OVER) { combine_over (s1, dst++); combine_over (s2, dst++); } else { combine_src (s1, dst++); combine_src (s2, dst++); } } while (w--) { uint32_t s; int x; x = pixman_fixed_to_int (vx); vx += unit_x; s = fetch_nearest (src_repeat, src_format, src, x, src_width); if (op == PIXMAN_OP_OVER) combine_over (s, dst++); else combine_src (s, dst++); } } } } static const pixman_fast_path_t c_fast_paths[] = { PIXMAN_STD_FAST_PATH (OVER, solid, a8, r5g6b5, fast_composite_over_n_8_0565), PIXMAN_STD_FAST_PATH (OVER, solid, a8, b5g6r5, fast_composite_over_n_8_0565), PIXMAN_STD_FAST_PATH (OVER, solid, a8, r8g8b8, fast_composite_over_n_8_0888), PIXMAN_STD_FAST_PATH (OVER, solid, a8, b8g8r8, fast_composite_over_n_8_0888), PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, fast_composite_over_n_8_8888), PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, fast_composite_over_n_8_8888), PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, fast_composite_over_n_8_8888), PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, fast_composite_over_n_8_8888), PIXMAN_STD_FAST_PATH (OVER, solid, a1, a8r8g8b8, fast_composite_over_n_1_8888), PIXMAN_STD_FAST_PATH (OVER, solid, a1, x8r8g8b8, fast_composite_over_n_1_8888), PIXMAN_STD_FAST_PATH (OVER, solid, a1, a8b8g8r8, fast_composite_over_n_1_8888), PIXMAN_STD_FAST_PATH (OVER, solid, a1, x8b8g8r8, fast_composite_over_n_1_8888), PIXMAN_STD_FAST_PATH (OVER, solid, a1, r5g6b5, fast_composite_over_n_1_0565), PIXMAN_STD_FAST_PATH (OVER, solid, a1, b5g6r5, fast_composite_over_n_1_0565), PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, a8r8g8b8, fast_composite_over_n_8888_8888_ca), PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, x8r8g8b8, fast_composite_over_n_8888_8888_ca), PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, r5g6b5, fast_composite_over_n_8888_0565_ca), PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, a8b8g8r8, fast_composite_over_n_8888_8888_ca), PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, x8b8g8r8, fast_composite_over_n_8888_8888_ca), PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, b5g6r5, fast_composite_over_n_8888_0565_ca), PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, x8r8g8b8, fast_composite_over_x888_8_8888), PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, a8, a8r8g8b8, fast_composite_over_x888_8_8888), PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, x8b8g8r8, fast_composite_over_x888_8_8888), PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, a8, a8b8g8r8, fast_composite_over_x888_8_8888), PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, fast_composite_over_8888_8888), PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, fast_composite_over_8888_8888), PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, r5g6b5, fast_composite_over_8888_0565), PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, fast_composite_over_8888_8888), PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, fast_composite_over_8888_8888), PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, b5g6r5, fast_composite_over_8888_0565), PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, null, a8r8g8b8, fast_composite_add_8888_8888), PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, null, a8b8g8r8, fast_composite_add_8888_8888), PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, fast_composite_add_8000_8000), PIXMAN_STD_FAST_PATH (ADD, a1, null, a1, fast_composite_add_1000_1000), PIXMAN_STD_FAST_PATH_CA (ADD, solid, a8r8g8b8, a8r8g8b8, fast_composite_add_n_8888_8888_ca), PIXMAN_STD_FAST_PATH (ADD, solid, a8, a8, fast_composite_add_n_8_8), PIXMAN_STD_FAST_PATH (SRC, solid, null, a8r8g8b8, fast_composite_solid_fill), PIXMAN_STD_FAST_PATH (SRC, solid, null, x8r8g8b8, fast_composite_solid_fill), PIXMAN_STD_FAST_PATH (SRC, solid, null, a8b8g8r8, fast_composite_solid_fill), PIXMAN_STD_FAST_PATH (SRC, solid, null, x8b8g8r8, fast_composite_solid_fill), PIXMAN_STD_FAST_PATH (SRC, solid, null, a8, fast_composite_solid_fill), PIXMAN_STD_FAST_PATH (SRC, solid, null, r5g6b5, fast_composite_solid_fill), PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8, fast_composite_src_8888_x888), PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, x8r8g8b8, fast_composite_src_8888_x888), PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, x8b8g8r8, fast_composite_src_8888_x888), PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, x8b8g8r8, fast_composite_src_8888_x888), PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, r5g6b5, fast_composite_src_x888_0565), PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, r5g6b5, fast_composite_src_x888_0565), PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, b5g6r5, fast_composite_src_x888_0565), PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, b5g6r5, fast_composite_src_x888_0565), PIXMAN_STD_FAST_PATH (IN, a8, null, a8, fast_composite_in_8_8), PIXMAN_STD_FAST_PATH (IN, solid, a8, a8, fast_composite_in_n_8_8), #define SCALED_NEAREST_FLAGS \ (FAST_PATH_SCALE_TRANSFORM | \ FAST_PATH_NO_ALPHA_MAP | \ FAST_PATH_NEAREST_FILTER | \ FAST_PATH_NO_ACCESSORS | \ FAST_PATH_NO_WIDE_FORMAT) #define NEAREST_FAST_PATH(op,s,d) \ { PIXMAN_OP_ ## op, \ PIXMAN_ ## s, SCALED_NEAREST_FLAGS, \ PIXMAN_null, 0, \ PIXMAN_ ## d, FAST_PATH_STD_DEST_FLAGS, \ fast_composite_scaled_nearest, \ } NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8), NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8), NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8), NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8), NEAREST_FAST_PATH (SRC, x8r8g8b8, a8r8g8b8), NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8), NEAREST_FAST_PATH (SRC, x8b8g8r8, a8b8g8r8), NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8), NEAREST_FAST_PATH (OVER, x8r8g8b8, x8r8g8b8), NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8), NEAREST_FAST_PATH (OVER, x8b8g8r8, x8b8g8r8), NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8), NEAREST_FAST_PATH (OVER, x8r8g8b8, a8r8g8b8), NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8), NEAREST_FAST_PATH (OVER, x8b8g8r8, a8b8g8r8), NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8), { PIXMAN_OP_NONE }, }; static void pixman_fill8 (uint32_t *bits, int stride, int x, int y, int width, int height, uint32_t xor) { int byte_stride = stride * (int) sizeof (uint32_t); uint8_t *dst = (uint8_t *) bits; uint8_t v = xor & 0xff; int i; dst = dst + y * byte_stride + x; while (height--) { for (i = 0; i < width; ++i) dst[i] = v; dst += byte_stride; } } static void pixman_fill16 (uint32_t *bits, int stride, int x, int y, int width, int height, uint32_t xor) { int short_stride = (stride * (int)sizeof (uint32_t)) / (int)sizeof (uint16_t); uint16_t *dst = (uint16_t *)bits; uint16_t v = xor & 0xffff; int i; dst = dst + y * short_stride + x; while (height--) { for (i = 0; i < width; ++i) dst[i] = v; dst += short_stride; } } static void pixman_fill32 (uint32_t *bits, int stride, int x, int y, int width, int height, uint32_t xor) { int i; bits = bits + y * stride + x; while (height--) { for (i = 0; i < width; ++i) bits[i] = xor; bits += stride; } } static pixman_bool_t fast_path_fill (pixman_implementation_t *imp, uint32_t * bits, int stride, int bpp, int x, int y, int width, int height, uint32_t xor) { switch (bpp) { case 8: pixman_fill8 (bits, stride, x, y, width, height, xor); break; case 16: pixman_fill16 (bits, stride, x, y, width, height, xor); break; case 32: pixman_fill32 (bits, stride, x, y, width, height, xor); break; default: return _pixman_implementation_fill ( imp->delegate, bits, stride, bpp, x, y, width, height, xor); break; } return TRUE; } pixman_implementation_t * _pixman_implementation_create_fast_path (void) { pixman_implementation_t *general = _pixman_implementation_create_general (); pixman_implementation_t *imp = _pixman_implementation_create (general, c_fast_paths); imp->fill = fast_path_fill; return imp; }