| 1 | /*
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| 2 | * Copyright © 1998 Keith Packard
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| 3 | *
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| 4 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 5 | * documentation for any purpose is hereby granted without fee, provided that
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| 6 | * the above copyright notice appear in all copies and that both that
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| 7 | * copyright notice and this permission notice appear in supporting
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| 8 | * documentation, and that the name of Keith Packard not be used in
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| 9 | * advertising or publicity pertaining to distribution of the software without
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| 10 | * specific, written prior permission. Keith Packard makes no
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| 11 | * representations about the suitability of this software for any purpose. It
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| 12 | * is provided "as is" without express or implied warranty.
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| 13 | *
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| 14 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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| 16 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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| 20 | * PERFORMANCE OF THIS SOFTWARE.
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| 21 | */
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| 22 |
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| 23 | /*
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| 24 | * This file defines functions for drawing some primitives using
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| 25 | * underlying datatypes instead of masks
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| 26 | */
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| 27 |
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| 28 | #define isClipped(c,ul,lr) (((c) | ((c) - (ul)) | ((lr) - (c))) & 0x80008000)
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| 29 |
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| 30 | #ifdef HAVE_DIX_CONFIG_H
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| 31 | #include <dix-config.h>
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| 32 | #endif
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| 33 |
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| 34 | #ifdef BITSMUL
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| 35 | #define MUL BITSMUL
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| 36 | #else
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| 37 | #define MUL 1
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| 38 | #endif
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| 39 |
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| 40 | #ifdef BITSSTORE
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| 41 | #define STORE(b,x) BITSSTORE(b,x)
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| 42 | #else
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| 43 | #define STORE(b,x) WRITE((b), (x))
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| 44 | #endif
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| 45 |
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| 46 | #ifdef BITSRROP
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| 47 | #define RROP(b,a,x) BITSRROP(b,a,x)
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| 48 | #else
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| 49 | #define RROP(b,a,x) WRITE((b), FbDoRRop (READ(b), (a), (x)))
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| 50 | #endif
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| 51 |
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| 52 | #ifdef BITSUNIT
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| 53 | #define UNIT BITSUNIT
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| 54 | #define USE_SOLID
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| 55 | #else
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| 56 | #define UNIT BITS
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| 57 | #endif
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| 58 |
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| 59 | /*
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| 60 | * Define the following before including this file:
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| 61 | *
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| 62 | * BRESSOLID name of function for drawing a solid segment
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| 63 | * BRESDASH name of function for drawing a dashed segment
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| 64 | * DOTS name of function for drawing dots
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| 65 | * ARC name of function for drawing a solid arc
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| 66 | * BITS type of underlying unit
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| 67 | */
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| 68 |
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| 69 | #ifdef BRESSOLID
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| 70 | void
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| 71 | BRESSOLID(DrawablePtr pDrawable,
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| 72 | GCPtr pGC,
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| 73 | int dashOffset,
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| 74 | int signdx,
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| 75 | int signdy, int axis, int x1, int y1, int e, int e1, int e3, int len)
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| 76 | {
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| 77 | FbBits *dst;
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| 78 | FbStride dstStride;
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| 79 | int dstBpp;
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| 80 | int dstXoff, dstYoff;
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| 81 | FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
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| 82 | UNIT *bits;
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| 83 | FbStride bitsStride;
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| 84 | FbStride majorStep, minorStep;
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| 85 | BITS xor = (BITS) pPriv->xor;
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| 86 |
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| 87 | fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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| 88 | bits =
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| 89 | ((UNIT *) (dst + ((y1 + dstYoff) * dstStride))) + (x1 + dstXoff) * MUL;
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| 90 | bitsStride = dstStride * (sizeof(FbBits) / sizeof(UNIT));
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| 91 | if (signdy < 0)
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| 92 | bitsStride = -bitsStride;
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| 93 | if (axis == X_AXIS) {
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| 94 | majorStep = signdx * MUL;
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| 95 | minorStep = bitsStride;
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| 96 | }
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| 97 | else {
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| 98 | majorStep = bitsStride;
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| 99 | minorStep = signdx * MUL;
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| 100 | }
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| 101 | while (len--) {
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| 102 | STORE(bits, xor);
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| 103 | bits += majorStep;
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| 104 | e += e1;
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| 105 | if (e >= 0) {
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| 106 | bits += minorStep;
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| 107 | e += e3;
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| 108 | }
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| 109 | }
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| 110 |
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| 111 | fbFinishAccess(pDrawable);
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| 112 | }
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| 113 | #endif
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| 114 |
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| 115 | #ifdef BRESDASH
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| 116 | void
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| 117 | BRESDASH(DrawablePtr pDrawable,
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| 118 | GCPtr pGC,
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| 119 | int dashOffset,
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| 120 | int signdx,
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| 121 | int signdy, int axis, int x1, int y1, int e, int e1, int e3, int len)
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| 122 | {
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| 123 | FbBits *dst;
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| 124 | FbStride dstStride;
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| 125 | int dstBpp;
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| 126 | int dstXoff, dstYoff;
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| 127 | FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
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| 128 | UNIT *bits;
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| 129 | FbStride bitsStride;
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| 130 | FbStride majorStep, minorStep;
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| 131 | BITS xorfg, xorbg;
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| 132 |
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| 133 | FbDashDeclare;
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| 134 | int dashlen;
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| 135 | Bool even;
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| 136 | Bool doOdd;
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| 137 |
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| 138 | fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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| 139 | doOdd = pGC->lineStyle == LineDoubleDash;
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| 140 | xorfg = (BITS) pPriv->xor;
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| 141 | xorbg = (BITS) pPriv->bgxor;
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| 142 |
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| 143 | FbDashInit(pGC, pPriv, dashOffset, dashlen, even);
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| 144 |
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| 145 | bits =
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| 146 | ((UNIT *) (dst + ((y1 + dstYoff) * dstStride))) + (x1 + dstXoff) * MUL;
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| 147 | bitsStride = dstStride * (sizeof(FbBits) / sizeof(UNIT));
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| 148 | if (signdy < 0)
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| 149 | bitsStride = -bitsStride;
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| 150 | if (axis == X_AXIS) {
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| 151 | majorStep = signdx * MUL;
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| 152 | minorStep = bitsStride;
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| 153 | }
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| 154 | else {
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| 155 | majorStep = bitsStride;
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| 156 | minorStep = signdx * MUL;
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| 157 | }
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| 158 | if (dashlen >= len)
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| 159 | dashlen = len;
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| 160 | if (doOdd) {
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| 161 | if (!even)
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| 162 | goto doubleOdd;
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| 163 | for (;;) {
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| 164 | len -= dashlen;
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| 165 | while (dashlen--) {
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| 166 | STORE(bits, xorfg);
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| 167 | bits += majorStep;
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| 168 | if ((e += e1) >= 0) {
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| 169 | e += e3;
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| 170 | bits += minorStep;
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| 171 | }
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| 172 | }
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| 173 | if (!len)
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| 174 | break;
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| 175 |
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| 176 | FbDashNextEven(dashlen);
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| 177 |
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| 178 | if (dashlen >= len)
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| 179 | dashlen = len;
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| 180 | doubleOdd:
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| 181 | len -= dashlen;
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| 182 | while (dashlen--) {
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| 183 | STORE(bits, xorbg);
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| 184 | bits += majorStep;
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| 185 | if ((e += e1) >= 0) {
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| 186 | e += e3;
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| 187 | bits += minorStep;
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| 188 | }
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| 189 | }
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| 190 | if (!len)
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| 191 | break;
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| 192 |
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| 193 | FbDashNextOdd(dashlen);
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| 194 |
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| 195 | if (dashlen >= len)
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| 196 | dashlen = len;
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| 197 | }
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| 198 | }
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| 199 | else {
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| 200 | if (!even)
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| 201 | goto onOffOdd;
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| 202 | for (;;) {
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| 203 | len -= dashlen;
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| 204 | while (dashlen--) {
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| 205 | STORE(bits, xorfg);
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| 206 | bits += majorStep;
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| 207 | if ((e += e1) >= 0) {
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| 208 | e += e3;
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| 209 | bits += minorStep;
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| 210 | }
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| 211 | }
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| 212 | if (!len)
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| 213 | break;
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| 214 |
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| 215 | FbDashNextEven(dashlen);
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| 216 |
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| 217 | if (dashlen >= len)
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| 218 | dashlen = len;
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| 219 | onOffOdd:
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| 220 | len -= dashlen;
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| 221 | while (dashlen--) {
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| 222 | bits += majorStep;
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| 223 | if ((e += e1) >= 0) {
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| 224 | e += e3;
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| 225 | bits += minorStep;
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| 226 | }
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| 227 | }
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| 228 | if (!len)
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| 229 | break;
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| 230 |
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| 231 | FbDashNextOdd(dashlen);
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| 232 |
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| 233 | if (dashlen >= len)
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| 234 | dashlen = len;
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| 235 | }
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| 236 | }
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| 237 |
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| 238 | fbFinishAccess(pDrawable);
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| 239 | }
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| 240 | #endif
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| 241 |
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| 242 | #ifdef DOTS
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| 243 | void
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| 244 | DOTS(FbBits * dst,
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| 245 | FbStride dstStride,
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| 246 | int dstBpp,
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| 247 | BoxPtr pBox,
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| 248 | xPoint * ptsOrig,
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| 249 | int npt, int xorg, int yorg, int xoff, int yoff, FbBits and, FbBits xor)
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| 250 | {
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| 251 | INT32 *pts = (INT32 *) ptsOrig;
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| 252 | UNIT *bits = (UNIT *) dst;
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| 253 | UNIT *point;
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| 254 | BITS bxor = (BITS) xor;
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| 255 | BITS band = (BITS) and;
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| 256 | FbStride bitsStride = dstStride * (sizeof(FbBits) / sizeof(UNIT));
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| 257 | INT32 ul, lr;
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| 258 | INT32 pt;
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| 259 |
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| 260 | ul = coordToInt(pBox->x1 - xorg, pBox->y1 - yorg);
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| 261 | lr = coordToInt(pBox->x2 - xorg - 1, pBox->y2 - yorg - 1);
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| 262 |
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| 263 | bits += bitsStride * (yorg + yoff) + (xorg + xoff) * MUL;
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| 264 |
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| 265 | if (and == 0) {
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| 266 | while (npt--) {
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| 267 | pt = *pts++;
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| 268 | if (!isClipped(pt, ul, lr)) {
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| 269 | point = bits + intToY(pt) * bitsStride + intToX(pt) * MUL;
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| 270 | STORE(point, bxor);
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| 271 | }
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| 272 | }
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| 273 | }
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| 274 | else {
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| 275 | while (npt--) {
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| 276 | pt = *pts++;
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| 277 | if (!isClipped(pt, ul, lr)) {
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| 278 | point = bits + intToY(pt) * bitsStride + intToX(pt) * MUL;
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| 279 | RROP(point, band, bxor);
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| 280 | }
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| 281 | }
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| 282 | }
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| 283 | }
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| 284 | #endif
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| 285 |
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| 286 | #ifdef ARC
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| 287 |
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| 288 | #define ARCCOPY(d) STORE(d,xorBits)
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| 289 | #define ARCRROP(d) RROP(d,andBits,xorBits)
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| 290 |
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| 291 | void
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| 292 | ARC(FbBits * dst,
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| 293 | FbStride dstStride,
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| 294 | int dstBpp, xArc * arc, int drawX, int drawY, FbBits and, FbBits xor)
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| 295 | {
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| 296 | UNIT *bits;
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| 297 | FbStride bitsStride;
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| 298 | miZeroArcRec info;
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| 299 | Bool do360;
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| 300 | int x;
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| 301 | UNIT *yorgp, *yorgop;
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| 302 | BITS andBits, xorBits;
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| 303 | int yoffset, dyoffset;
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| 304 | int y, a, b, d, mask;
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| 305 | int k1, k3, dx, dy;
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| 306 |
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| 307 | bits = (UNIT *) dst;
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| 308 | bitsStride = dstStride * (sizeof(FbBits) / sizeof(UNIT));
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| 309 | andBits = (BITS) and;
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| 310 | xorBits = (BITS) xor;
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| 311 | do360 = miZeroArcSetup(arc, &info, TRUE);
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| 312 | yorgp = bits + ((info.yorg + drawY) * bitsStride);
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| 313 | yorgop = bits + ((info.yorgo + drawY) * bitsStride);
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| 314 | info.xorg = (info.xorg + drawX) * MUL;
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| 315 | info.xorgo = (info.xorgo + drawX) * MUL;
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| 316 | MIARCSETUP();
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| 317 | yoffset = y ? bitsStride : 0;
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| 318 | dyoffset = 0;
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| 319 | mask = info.initialMask;
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| 320 |
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| 321 | if (!(arc->width & 1)) {
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| 322 | if (andBits == 0) {
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| 323 | if (mask & 2)
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| 324 | ARCCOPY(yorgp + info.xorgo);
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| 325 | if (mask & 8)
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| 326 | ARCCOPY(yorgop + info.xorgo);
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| 327 | }
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| 328 | else {
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| 329 | if (mask & 2)
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| 330 | ARCRROP(yorgp + info.xorgo);
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| 331 | if (mask & 8)
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| 332 | ARCRROP(yorgop + info.xorgo);
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| 333 | }
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| 334 | }
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| 335 | if (!info.end.x || !info.end.y) {
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| 336 | mask = info.end.mask;
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| 337 | info.end = info.altend;
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| 338 | }
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| 339 | if (do360 && (arc->width == arc->height) && !(arc->width & 1)) {
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| 340 | int xoffset = bitsStride;
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| 341 | UNIT *yorghb = yorgp + (info.h * bitsStride) + info.xorg;
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| 342 | UNIT *yorgohb = yorghb - info.h * MUL;
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| 343 |
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| 344 | yorgp += info.xorg;
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| 345 | yorgop += info.xorg;
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| 346 | yorghb += info.h * MUL;
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| 347 | while (1) {
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| 348 | if (andBits == 0) {
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| 349 | ARCCOPY(yorgp + yoffset + x * MUL);
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| 350 | ARCCOPY(yorgp + yoffset - x * MUL);
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| 351 | ARCCOPY(yorgop - yoffset - x * MUL);
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| 352 | ARCCOPY(yorgop - yoffset + x * MUL);
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| 353 | }
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| 354 | else {
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| 355 | ARCRROP(yorgp + yoffset + x * MUL);
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| 356 | ARCRROP(yorgp + yoffset - x * MUL);
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| 357 | ARCRROP(yorgop - yoffset - x * MUL);
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| 358 | ARCRROP(yorgop - yoffset + x * MUL);
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| 359 | }
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| 360 | if (a < 0)
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| 361 | break;
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| 362 | if (andBits == 0) {
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| 363 | ARCCOPY(yorghb - xoffset - y * MUL);
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| 364 | ARCCOPY(yorgohb - xoffset + y * MUL);
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| 365 | ARCCOPY(yorgohb + xoffset + y * MUL);
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| 366 | ARCCOPY(yorghb + xoffset - y * MUL);
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| 367 | }
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| 368 | else {
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| 369 | ARCRROP(yorghb - xoffset - y * MUL);
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| 370 | ARCRROP(yorgohb - xoffset + y * MUL);
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| 371 | ARCRROP(yorgohb + xoffset + y * MUL);
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| 372 | ARCRROP(yorghb + xoffset - y * MUL);
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| 373 | }
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| 374 | xoffset += bitsStride;
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| 375 | MIARCCIRCLESTEP(yoffset += bitsStride;
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| 376 | );
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| 377 | }
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| 378 | yorgp -= info.xorg;
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| 379 | yorgop -= info.xorg;
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| 380 | x = info.w;
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| 381 | yoffset = info.h * bitsStride;
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| 382 | }
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| 383 | else if (do360) {
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| 384 | while (y < info.h || x < info.w) {
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| 385 | MIARCOCTANTSHIFT(dyoffset = bitsStride;
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| 386 | );
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| 387 | if (andBits == 0) {
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| 388 | ARCCOPY(yorgp + yoffset + info.xorg + x * MUL);
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| 389 | ARCCOPY(yorgp + yoffset + info.xorgo - x * MUL);
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| 390 | ARCCOPY(yorgop - yoffset + info.xorgo - x * MUL);
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| 391 | ARCCOPY(yorgop - yoffset + info.xorg + x * MUL);
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| 392 | }
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| 393 | else {
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| 394 | ARCRROP(yorgp + yoffset + info.xorg + x * MUL);
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| 395 | ARCRROP(yorgp + yoffset + info.xorgo - x * MUL);
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| 396 | ARCRROP(yorgop - yoffset + info.xorgo - x * MUL);
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| 397 | ARCRROP(yorgop - yoffset + info.xorg + x * MUL);
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| 398 | }
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| 399 | MIARCSTEP(yoffset += dyoffset;
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| 400 | , yoffset += bitsStride;
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| 401 | );
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| 402 | }
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| 403 | }
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| 404 | else {
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| 405 | while (y < info.h || x < info.w) {
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| 406 | MIARCOCTANTSHIFT(dyoffset = bitsStride;
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| 407 | );
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| 408 | if ((x == info.start.x) || (y == info.start.y)) {
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| 409 | mask = info.start.mask;
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| 410 | info.start = info.altstart;
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|---|
| 411 | }
|
|---|
| 412 | if (andBits == 0) {
|
|---|
| 413 | if (mask & 1)
|
|---|
| 414 | ARCCOPY(yorgp + yoffset + info.xorg + x * MUL);
|
|---|
| 415 | if (mask & 2)
|
|---|
| 416 | ARCCOPY(yorgp + yoffset + info.xorgo - x * MUL);
|
|---|
| 417 | if (mask & 4)
|
|---|
| 418 | ARCCOPY(yorgop - yoffset + info.xorgo - x * MUL);
|
|---|
| 419 | if (mask & 8)
|
|---|
| 420 | ARCCOPY(yorgop - yoffset + info.xorg + x * MUL);
|
|---|
| 421 | }
|
|---|
| 422 | else {
|
|---|
| 423 | if (mask & 1)
|
|---|
| 424 | ARCRROP(yorgp + yoffset + info.xorg + x * MUL);
|
|---|
| 425 | if (mask & 2)
|
|---|
| 426 | ARCRROP(yorgp + yoffset + info.xorgo - x * MUL);
|
|---|
| 427 | if (mask & 4)
|
|---|
| 428 | ARCRROP(yorgop - yoffset + info.xorgo - x * MUL);
|
|---|
| 429 | if (mask & 8)
|
|---|
| 430 | ARCRROP(yorgop - yoffset + info.xorg + x * MUL);
|
|---|
| 431 | }
|
|---|
| 432 | if ((x == info.end.x) || (y == info.end.y)) {
|
|---|
| 433 | mask = info.end.mask;
|
|---|
| 434 | info.end = info.altend;
|
|---|
| 435 | }
|
|---|
| 436 | MIARCSTEP(yoffset += dyoffset;
|
|---|
| 437 | , yoffset += bitsStride;
|
|---|
| 438 | );
|
|---|
| 439 | }
|
|---|
| 440 | }
|
|---|
| 441 | if ((x == info.start.x) || (y == info.start.y))
|
|---|
| 442 | mask = info.start.mask;
|
|---|
| 443 | if (andBits == 0) {
|
|---|
| 444 | if (mask & 1)
|
|---|
| 445 | ARCCOPY(yorgp + yoffset + info.xorg + x * MUL);
|
|---|
| 446 | if (mask & 4)
|
|---|
| 447 | ARCCOPY(yorgop - yoffset + info.xorgo - x * MUL);
|
|---|
| 448 | if (arc->height & 1) {
|
|---|
| 449 | if (mask & 2)
|
|---|
| 450 | ARCCOPY(yorgp + yoffset + info.xorgo - x * MUL);
|
|---|
| 451 | if (mask & 8)
|
|---|
| 452 | ARCCOPY(yorgop - yoffset + info.xorg + x * MUL);
|
|---|
| 453 | }
|
|---|
| 454 | }
|
|---|
| 455 | else {
|
|---|
| 456 | if (mask & 1)
|
|---|
| 457 | ARCRROP(yorgp + yoffset + info.xorg + x * MUL);
|
|---|
| 458 | if (mask & 4)
|
|---|
| 459 | ARCRROP(yorgop - yoffset + info.xorgo - x * MUL);
|
|---|
| 460 | if (arc->height & 1) {
|
|---|
| 461 | if (mask & 2)
|
|---|
| 462 | ARCRROP(yorgp + yoffset + info.xorgo - x * MUL);
|
|---|
| 463 | if (mask & 8)
|
|---|
| 464 | ARCRROP(yorgop - yoffset + info.xorg + x * MUL);
|
|---|
| 465 | }
|
|---|
| 466 | }
|
|---|
| 467 | }
|
|---|
| 468 |
|
|---|
| 469 | #undef ARCCOPY
|
|---|
| 470 | #undef ARCRROP
|
|---|
| 471 | #endif
|
|---|
| 472 |
|
|---|
| 473 | #ifdef GLYPH
|
|---|
| 474 | #if BITMAP_BIT_ORDER == LSBFirst
|
|---|
| 475 | #define WRITE_ADDR1(n) (n)
|
|---|
| 476 | #define WRITE_ADDR2(n) (n)
|
|---|
| 477 | #define WRITE_ADDR4(n) (n)
|
|---|
| 478 | #else
|
|---|
| 479 | #define WRITE_ADDR1(n) ((n) ^ 3)
|
|---|
| 480 | #define WRITE_ADDR2(n) ((n) ^ 2)
|
|---|
| 481 | #define WRITE_ADDR4(n) ((n))
|
|---|
| 482 | #endif
|
|---|
| 483 |
|
|---|
| 484 | #define WRITE1(d,n,fg) WRITE(d + WRITE_ADDR1(n), (BITS) (fg))
|
|---|
| 485 |
|
|---|
| 486 | #ifdef BITS2
|
|---|
| 487 | #define WRITE2(d,n,fg) WRITE((BITS2 *) &((d)[WRITE_ADDR2(n)]), (BITS2) (fg))
|
|---|
| 488 | #else
|
|---|
| 489 | #define WRITE2(d,n,fg) (WRITE1(d,n,fg), WRITE1(d,(n)+1,fg))
|
|---|
| 490 | #endif
|
|---|
| 491 |
|
|---|
| 492 | #ifdef BITS4
|
|---|
| 493 | #define WRITE4(d,n,fg) WRITE((BITS4 *) &((d)[WRITE_ADDR4(n)]), (BITS4) (fg))
|
|---|
| 494 | #else
|
|---|
| 495 | #define WRITE4(d,n,fg) (WRITE2(d,n,fg), WRITE2(d,(n)+2,fg))
|
|---|
| 496 | #endif
|
|---|
| 497 |
|
|---|
| 498 | void
|
|---|
| 499 | GLYPH(FbBits * dstBits,
|
|---|
| 500 | FbStride dstStride,
|
|---|
| 501 | int dstBpp, FbStip * stipple, FbBits fg, int x, int height)
|
|---|
| 502 | {
|
|---|
| 503 | int lshift;
|
|---|
| 504 | FbStip bits;
|
|---|
| 505 | BITS *dstLine;
|
|---|
| 506 | BITS *dst;
|
|---|
| 507 | int n;
|
|---|
| 508 | int shift;
|
|---|
| 509 |
|
|---|
| 510 | dstLine = (BITS *) dstBits;
|
|---|
| 511 | dstLine += x & ~3;
|
|---|
| 512 | dstStride *= (sizeof(FbBits) / sizeof(BITS));
|
|---|
| 513 | shift = x & 3;
|
|---|
| 514 | lshift = 4 - shift;
|
|---|
| 515 | while (height--) {
|
|---|
| 516 | bits = *stipple++;
|
|---|
| 517 | dst = (BITS *) dstLine;
|
|---|
| 518 | n = lshift;
|
|---|
| 519 | while (bits) {
|
|---|
| 520 | switch (FbStipMoveLsb(FbLeftStipBits(bits, n), 4, n)) {
|
|---|
| 521 | case 0:
|
|---|
| 522 | break;
|
|---|
| 523 | case 1:
|
|---|
| 524 | WRITE1(dst, 0, fg);
|
|---|
| 525 | break;
|
|---|
| 526 | case 2:
|
|---|
| 527 | WRITE1(dst, 1, fg);
|
|---|
| 528 | break;
|
|---|
| 529 | case 3:
|
|---|
| 530 | WRITE2(dst, 0, fg);
|
|---|
| 531 | break;
|
|---|
| 532 | case 4:
|
|---|
| 533 | WRITE1(dst, 2, fg);
|
|---|
| 534 | break;
|
|---|
| 535 | case 5:
|
|---|
| 536 | WRITE1(dst, 0, fg);
|
|---|
| 537 | WRITE1(dst, 2, fg);
|
|---|
| 538 | break;
|
|---|
| 539 | case 6:
|
|---|
| 540 | WRITE1(dst, 1, fg);
|
|---|
| 541 | WRITE1(dst, 2, fg);
|
|---|
| 542 | break;
|
|---|
| 543 | case 7:
|
|---|
| 544 | WRITE2(dst, 0, fg);
|
|---|
| 545 | WRITE1(dst, 2, fg);
|
|---|
| 546 | break;
|
|---|
| 547 | case 8:
|
|---|
| 548 | WRITE1(dst, 3, fg);
|
|---|
| 549 | break;
|
|---|
| 550 | case 9:
|
|---|
| 551 | WRITE1(dst, 0, fg);
|
|---|
| 552 | WRITE1(dst, 3, fg);
|
|---|
| 553 | break;
|
|---|
| 554 | case 10:
|
|---|
| 555 | WRITE1(dst, 1, fg);
|
|---|
| 556 | WRITE1(dst, 3, fg);
|
|---|
| 557 | break;
|
|---|
| 558 | case 11:
|
|---|
| 559 | WRITE2(dst, 0, fg);
|
|---|
| 560 | WRITE1(dst, 3, fg);
|
|---|
| 561 | break;
|
|---|
| 562 | case 12:
|
|---|
| 563 | WRITE2(dst, 2, fg);
|
|---|
| 564 | break;
|
|---|
| 565 | case 13:
|
|---|
| 566 | WRITE1(dst, 0, fg);
|
|---|
| 567 | WRITE2(dst, 2, fg);
|
|---|
| 568 | break;
|
|---|
| 569 | case 14:
|
|---|
| 570 | WRITE1(dst, 1, fg);
|
|---|
| 571 | WRITE2(dst, 2, fg);
|
|---|
| 572 | break;
|
|---|
| 573 | case 15:
|
|---|
| 574 | WRITE4(dst, 0, fg);
|
|---|
| 575 | break;
|
|---|
| 576 | }
|
|---|
| 577 | bits = FbStipLeft(bits, n);
|
|---|
| 578 | n = 4;
|
|---|
| 579 | dst += 4;
|
|---|
| 580 | }
|
|---|
| 581 | dstLine += dstStride;
|
|---|
| 582 | }
|
|---|
| 583 | }
|
|---|
| 584 |
|
|---|
| 585 | #undef WRITE_ADDR1
|
|---|
| 586 | #undef WRITE_ADDR2
|
|---|
| 587 | #undef WRITE_ADDR4
|
|---|
| 588 | #undef WRITE1
|
|---|
| 589 | #undef WRITE2
|
|---|
| 590 | #undef WRITE4
|
|---|
| 591 |
|
|---|
| 592 | #endif
|
|---|
| 593 |
|
|---|
| 594 | #ifdef POLYLINE
|
|---|
| 595 | void
|
|---|
| 596 | POLYLINE(DrawablePtr pDrawable,
|
|---|
| 597 | GCPtr pGC, int mode, int npt, DDXPointPtr ptsOrig)
|
|---|
| 598 | {
|
|---|
| 599 | INT32 *pts = (INT32 *) ptsOrig;
|
|---|
| 600 | int xoff = pDrawable->x;
|
|---|
| 601 | int yoff = pDrawable->y;
|
|---|
| 602 | unsigned int bias = miGetZeroLineBias(pDrawable->pScreen);
|
|---|
| 603 | BoxPtr pBox = RegionExtents(fbGetCompositeClip(pGC));
|
|---|
| 604 |
|
|---|
| 605 | FbBits *dst;
|
|---|
| 606 | int dstStride;
|
|---|
| 607 | int dstBpp;
|
|---|
| 608 | int dstXoff, dstYoff;
|
|---|
| 609 |
|
|---|
| 610 | UNIT *bits, *bitsBase;
|
|---|
| 611 | FbStride bitsStride;
|
|---|
| 612 | BITS xor = fbGetGCPrivate(pGC)->xor;
|
|---|
| 613 | BITS and = fbGetGCPrivate(pGC)->and;
|
|---|
| 614 | int dashoffset = 0;
|
|---|
| 615 |
|
|---|
| 616 | INT32 ul, lr;
|
|---|
| 617 | INT32 pt1, pt2;
|
|---|
| 618 |
|
|---|
| 619 | int e, e1, e3, len;
|
|---|
| 620 | int stepmajor, stepminor;
|
|---|
| 621 | int octant;
|
|---|
| 622 |
|
|---|
| 623 | if (mode == CoordModePrevious)
|
|---|
| 624 | fbFixCoordModePrevious(npt, ptsOrig);
|
|---|
| 625 |
|
|---|
| 626 | fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
|
|---|
| 627 | bitsStride = dstStride * (sizeof(FbBits) / sizeof(UNIT));
|
|---|
| 628 | bitsBase =
|
|---|
| 629 | ((UNIT *) dst) + (yoff + dstYoff) * bitsStride + (xoff + dstXoff) * MUL;
|
|---|
| 630 | ul = coordToInt(pBox->x1 - xoff, pBox->y1 - yoff);
|
|---|
| 631 | lr = coordToInt(pBox->x2 - xoff - 1, pBox->y2 - yoff - 1);
|
|---|
| 632 |
|
|---|
| 633 | pt1 = *pts++;
|
|---|
| 634 | npt--;
|
|---|
| 635 | pt2 = *pts++;
|
|---|
| 636 | npt--;
|
|---|
| 637 | for (;;) {
|
|---|
| 638 | if (isClipped(pt1, ul, lr) | isClipped(pt2, ul, lr)) {
|
|---|
| 639 | fbSegment(pDrawable, pGC,
|
|---|
| 640 | intToX(pt1) + xoff, intToY(pt1) + yoff,
|
|---|
| 641 | intToX(pt2) + xoff, intToY(pt2) + yoff,
|
|---|
| 642 | npt == 0 && pGC->capStyle != CapNotLast, &dashoffset);
|
|---|
| 643 | if (!npt) {
|
|---|
| 644 | fbFinishAccess(pDrawable);
|
|---|
| 645 | return;
|
|---|
| 646 | }
|
|---|
| 647 | pt1 = pt2;
|
|---|
| 648 | pt2 = *pts++;
|
|---|
| 649 | npt--;
|
|---|
| 650 | }
|
|---|
| 651 | else {
|
|---|
| 652 | bits = bitsBase + intToY(pt1) * bitsStride + intToX(pt1) * MUL;
|
|---|
| 653 | for (;;) {
|
|---|
| 654 | CalcLineDeltas(intToX(pt1), intToY(pt1),
|
|---|
| 655 | intToX(pt2), intToY(pt2),
|
|---|
| 656 | len, e1, stepmajor, stepminor, 1, bitsStride,
|
|---|
| 657 | octant);
|
|---|
| 658 | stepmajor *= MUL;
|
|---|
| 659 | if (len < e1) {
|
|---|
| 660 | e3 = len;
|
|---|
| 661 | len = e1;
|
|---|
| 662 | e1 = e3;
|
|---|
| 663 |
|
|---|
| 664 | e3 = stepminor;
|
|---|
| 665 | stepminor = stepmajor;
|
|---|
| 666 | stepmajor = e3;
|
|---|
| 667 | SetYMajorOctant(octant);
|
|---|
| 668 | }
|
|---|
| 669 | e = -len;
|
|---|
| 670 | e1 <<= 1;
|
|---|
| 671 | e3 = e << 1;
|
|---|
| 672 | FIXUP_ERROR(e, octant, bias);
|
|---|
| 673 | if (and == 0) {
|
|---|
| 674 | while (len--) {
|
|---|
| 675 | STORE(bits, xor);
|
|---|
| 676 | bits += stepmajor;
|
|---|
| 677 | e += e1;
|
|---|
| 678 | if (e >= 0) {
|
|---|
| 679 | bits += stepminor;
|
|---|
| 680 | e += e3;
|
|---|
| 681 | }
|
|---|
| 682 | }
|
|---|
| 683 | }
|
|---|
| 684 | else {
|
|---|
| 685 | while (len--) {
|
|---|
| 686 | RROP(bits, and, xor);
|
|---|
| 687 | bits += stepmajor;
|
|---|
| 688 | e += e1;
|
|---|
| 689 | if (e >= 0) {
|
|---|
| 690 | bits += stepminor;
|
|---|
| 691 | e += e3;
|
|---|
| 692 | }
|
|---|
| 693 | }
|
|---|
| 694 | }
|
|---|
| 695 | if (!npt) {
|
|---|
| 696 | if (pGC->capStyle != CapNotLast &&
|
|---|
| 697 | pt2 != *((INT32 *) ptsOrig)) {
|
|---|
| 698 | RROP(bits, and, xor);
|
|---|
| 699 | }
|
|---|
| 700 | fbFinishAccess(pDrawable);
|
|---|
| 701 | return;
|
|---|
| 702 | }
|
|---|
| 703 | pt1 = pt2;
|
|---|
| 704 | pt2 = *pts++;
|
|---|
| 705 | --npt;
|
|---|
| 706 | if (isClipped(pt2, ul, lr))
|
|---|
| 707 | break;
|
|---|
| 708 | }
|
|---|
| 709 | }
|
|---|
| 710 | }
|
|---|
| 711 |
|
|---|
| 712 | fbFinishAccess(pDrawable);
|
|---|
| 713 | }
|
|---|
| 714 | #endif
|
|---|
| 715 |
|
|---|
| 716 | #ifdef POLYSEGMENT
|
|---|
| 717 | void
|
|---|
| 718 | POLYSEGMENT(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pseg)
|
|---|
| 719 | {
|
|---|
| 720 | INT32 *pts = (INT32 *) pseg;
|
|---|
| 721 | int xoff = pDrawable->x;
|
|---|
| 722 | int yoff = pDrawable->y;
|
|---|
| 723 | unsigned int bias = miGetZeroLineBias(pDrawable->pScreen);
|
|---|
| 724 | BoxPtr pBox = RegionExtents(fbGetCompositeClip(pGC));
|
|---|
| 725 |
|
|---|
| 726 | FbBits *dst;
|
|---|
| 727 | int dstStride;
|
|---|
| 728 | int dstBpp;
|
|---|
| 729 | int dstXoff, dstYoff;
|
|---|
| 730 |
|
|---|
| 731 | UNIT *bits, *bitsBase;
|
|---|
| 732 | FbStride bitsStride;
|
|---|
| 733 | FbBits xorBits = fbGetGCPrivate(pGC)->xor;
|
|---|
| 734 | FbBits andBits = fbGetGCPrivate(pGC)->and;
|
|---|
| 735 | BITS xor = xorBits;
|
|---|
| 736 | BITS and = andBits;
|
|---|
| 737 | int dashoffset = 0;
|
|---|
| 738 |
|
|---|
| 739 | INT32 ul, lr;
|
|---|
| 740 | INT32 pt1, pt2;
|
|---|
| 741 |
|
|---|
| 742 | int e, e1, e3, len;
|
|---|
| 743 | int stepmajor, stepminor;
|
|---|
| 744 | int octant;
|
|---|
| 745 | Bool capNotLast;
|
|---|
| 746 |
|
|---|
| 747 | fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
|
|---|
| 748 | bitsStride = dstStride * (sizeof(FbBits) / sizeof(UNIT));
|
|---|
| 749 | bitsBase =
|
|---|
| 750 | ((UNIT *) dst) + (yoff + dstYoff) * bitsStride + (xoff + dstXoff) * MUL;
|
|---|
| 751 | ul = coordToInt(pBox->x1 - xoff, pBox->y1 - yoff);
|
|---|
| 752 | lr = coordToInt(pBox->x2 - xoff - 1, pBox->y2 - yoff - 1);
|
|---|
| 753 |
|
|---|
| 754 | capNotLast = pGC->capStyle == CapNotLast;
|
|---|
| 755 |
|
|---|
| 756 | while (nseg--) {
|
|---|
| 757 | pt1 = *pts++;
|
|---|
| 758 | pt2 = *pts++;
|
|---|
| 759 | if (isClipped(pt1, ul, lr) | isClipped(pt2, ul, lr)) {
|
|---|
| 760 | fbSegment(pDrawable, pGC,
|
|---|
| 761 | intToX(pt1) + xoff, intToY(pt1) + yoff,
|
|---|
| 762 | intToX(pt2) + xoff, intToY(pt2) + yoff,
|
|---|
| 763 | !capNotLast, &dashoffset);
|
|---|
| 764 | }
|
|---|
| 765 | else {
|
|---|
| 766 | CalcLineDeltas(intToX(pt1), intToY(pt1),
|
|---|
| 767 | intToX(pt2), intToY(pt2),
|
|---|
| 768 | len, e1, stepmajor, stepminor, 1, bitsStride,
|
|---|
| 769 | octant);
|
|---|
| 770 | if (e1 == 0 && len > 3
|
|---|
| 771 | #if MUL != 1
|
|---|
| 772 | && FbCheck24Pix(and) && FbCheck24Pix(xor)
|
|---|
| 773 | #endif
|
|---|
| 774 | ) {
|
|---|
| 775 | int x1, x2;
|
|---|
| 776 | FbBits *dstLine;
|
|---|
| 777 | int dstX, width;
|
|---|
| 778 | FbBits startmask, endmask;
|
|---|
| 779 | int nmiddle;
|
|---|
| 780 |
|
|---|
| 781 | if (stepmajor < 0) {
|
|---|
| 782 | x1 = intToX(pt2);
|
|---|
| 783 | x2 = intToX(pt1) + 1;
|
|---|
| 784 | if (capNotLast)
|
|---|
| 785 | x1++;
|
|---|
| 786 | }
|
|---|
| 787 | else {
|
|---|
| 788 | x1 = intToX(pt1);
|
|---|
| 789 | x2 = intToX(pt2);
|
|---|
| 790 | if (!capNotLast)
|
|---|
| 791 | x2++;
|
|---|
| 792 | }
|
|---|
| 793 | dstX = (x1 + xoff + dstXoff) * (sizeof(UNIT) * 8 * MUL);
|
|---|
| 794 | width = (x2 - x1) * (sizeof(UNIT) * 8 * MUL);
|
|---|
| 795 |
|
|---|
| 796 | dstLine = dst + (intToY(pt1) + yoff + dstYoff) * dstStride;
|
|---|
| 797 | dstLine += dstX >> FB_SHIFT;
|
|---|
| 798 | dstX &= FB_MASK;
|
|---|
| 799 | FbMaskBits(dstX, width, startmask, nmiddle, endmask);
|
|---|
| 800 | if (startmask) {
|
|---|
| 801 | WRITE(dstLine,
|
|---|
| 802 | FbDoMaskRRop(READ(dstLine), andBits, xorBits,
|
|---|
| 803 | startmask));
|
|---|
| 804 | dstLine++;
|
|---|
| 805 | }
|
|---|
| 806 | if (!andBits)
|
|---|
| 807 | while (nmiddle--)
|
|---|
| 808 | WRITE(dstLine++, xorBits);
|
|---|
| 809 | else
|
|---|
| 810 | while (nmiddle--) {
|
|---|
| 811 | WRITE(dstLine,
|
|---|
| 812 | FbDoRRop(READ(dstLine), andBits, xorBits));
|
|---|
| 813 | dstLine++;
|
|---|
| 814 | }
|
|---|
| 815 | if (endmask)
|
|---|
| 816 | WRITE(dstLine,
|
|---|
| 817 | FbDoMaskRRop(READ(dstLine), andBits, xorBits,
|
|---|
| 818 | endmask));
|
|---|
| 819 | }
|
|---|
| 820 | else {
|
|---|
| 821 | stepmajor *= MUL;
|
|---|
| 822 | bits = bitsBase + intToY(pt1) * bitsStride + intToX(pt1) * MUL;
|
|---|
| 823 | if (len < e1) {
|
|---|
| 824 | e3 = len;
|
|---|
| 825 | len = e1;
|
|---|
| 826 | e1 = e3;
|
|---|
| 827 |
|
|---|
| 828 | e3 = stepminor;
|
|---|
| 829 | stepminor = stepmajor;
|
|---|
| 830 | stepmajor = e3;
|
|---|
| 831 | SetYMajorOctant(octant);
|
|---|
| 832 | }
|
|---|
| 833 | e = -len;
|
|---|
| 834 | e1 <<= 1;
|
|---|
| 835 | e3 = e << 1;
|
|---|
| 836 | FIXUP_ERROR(e, octant, bias);
|
|---|
| 837 | if (!capNotLast)
|
|---|
| 838 | len++;
|
|---|
| 839 | if (and == 0) {
|
|---|
| 840 | while (len--) {
|
|---|
| 841 | STORE(bits, xor);
|
|---|
| 842 | bits += stepmajor;
|
|---|
| 843 | e += e1;
|
|---|
| 844 | if (e >= 0) {
|
|---|
| 845 | bits += stepminor;
|
|---|
| 846 | e += e3;
|
|---|
| 847 | }
|
|---|
| 848 | }
|
|---|
| 849 | }
|
|---|
| 850 | else {
|
|---|
| 851 | while (len--) {
|
|---|
| 852 | RROP(bits, and, xor);
|
|---|
| 853 | bits += stepmajor;
|
|---|
| 854 | e += e1;
|
|---|
| 855 | if (e >= 0) {
|
|---|
| 856 | bits += stepminor;
|
|---|
| 857 | e += e3;
|
|---|
| 858 | }
|
|---|
| 859 | }
|
|---|
| 860 | }
|
|---|
| 861 | }
|
|---|
| 862 | }
|
|---|
| 863 | }
|
|---|
| 864 |
|
|---|
| 865 | fbFinishAccess(pDrawable);
|
|---|
| 866 | }
|
|---|
| 867 | #endif
|
|---|
| 868 |
|
|---|
| 869 | #undef MUL
|
|---|
| 870 | #undef STORE
|
|---|
| 871 | #undef RROP
|
|---|
| 872 | #undef UNIT
|
|---|
| 873 | #undef USE_SOLID
|
|---|
| 874 |
|
|---|
| 875 | #undef isClipped
|
|---|
