From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- xorg-server/fb/fbstipple.c | 616 ++++++++++++++++++++++----------------------- 1 file changed, 308 insertions(+), 308 deletions(-) (limited to 'xorg-server/fb/fbstipple.c') diff --git a/xorg-server/fb/fbstipple.c b/xorg-server/fb/fbstipple.c index 1316d5113..dc1fd468f 100644 --- a/xorg-server/fb/fbstipple.c +++ b/xorg-server/fb/fbstipple.c @@ -1,308 +1,308 @@ -/* - * Copyright © 1998 Keith Packard - * - * 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 Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD 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. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include "fb.h" - -/* - * This is a slight abuse of the preprocessor to generate repetitive - * code, the idea is to generate code for each case of a copy-mode - * transparent stipple - */ -#define LaneCases1(c,a) case c: \ - while (n--) { FbLaneCase(c,a); a++; } \ - break -#define LaneCases2(c,a) LaneCases1(c,a); LaneCases1(c+1,a) -#define LaneCases4(c,a) LaneCases2(c,a); LaneCases2(c+2,a) -#define LaneCases8(c,a) LaneCases4(c,a); LaneCases4(c+4,a) -#define LaneCases16(c,a) LaneCases8(c,a); LaneCases8(c+8,a) -#define LaneCases32(c,a) LaneCases16(c,a); LaneCases16(c+16,a) -#define LaneCases64(c,a) LaneCases32(c,a); LaneCases32(c+32,a) -#define LaneCases128(c,a) LaneCases64(c,a); LaneCases64(c+64,a) -#define LaneCases256(c,a) LaneCases128(c,a); LaneCases128(c+128,a) - -#if FB_SHIFT == 6 -#define LaneCases(a) LaneCases256(0,a) -#endif - -#if FB_SHIFT == 5 -#define LaneCases(a) LaneCases16(0,a) -#endif - -/* - * Repeat a transparent stipple across a scanline n times - */ - -void -fbTransparentSpan (FbBits *dst, - FbBits stip, - FbBits fgxor, - int n) -{ - FbStip s; - - s = ((FbStip) (stip ) & 0x01); - s |= ((FbStip) (stip >> 8) & 0x02); - s |= ((FbStip) (stip >> 16) & 0x04); - s |= ((FbStip) (stip >> 24) & 0x08); -#if FB_SHIFT > 5 - s |= ((FbStip) (stip >> 32) & 0x10); - s |= ((FbStip) (stip >> 40) & 0x20); - s |= ((FbStip) (stip >> 48) & 0x40); - s |= ((FbStip) (stip >> 56) & 0x80); -#endif - switch (s) { - LaneCases(dst); - } -} - -void -fbEvenStipple (FbBits *dst, - FbStride dstStride, - int dstX, - int dstBpp, - - int width, - int height, - - FbStip *stip, - FbStride stipStride, - int stipHeight, - - FbBits fgand, - FbBits fgxor, - FbBits bgand, - FbBits bgxor, - - int xRot, - int yRot) -{ - FbBits startmask, endmask; - FbBits mask, and, xor; - int nmiddle, n; - FbStip *s, *stipEnd, bits; - int rot, stipX, stipY; - int pixelsPerDst; - const FbBits *fbBits; - Bool transparent; - int startbyte, endbyte; - - /* - * Check for a transparent stipple (stencil) - */ - transparent = FALSE; - if (dstBpp >= 8 && - fgand == 0 && bgand == FB_ALLONES && bgxor == 0) - transparent = TRUE; - - pixelsPerDst = FB_UNIT / dstBpp; - /* - * Adjust dest pointers - */ - dst += dstX >> FB_SHIFT; - dstX &= FB_MASK; - FbMaskBitsBytes (dstX, width, fgand == 0 && bgand == 0, - startmask, startbyte, nmiddle, endmask, endbyte); - - if (startmask) - dstStride--; - dstStride -= nmiddle; - - xRot *= dstBpp; - /* - * Compute stip start scanline and rotation parameters - */ - stipEnd = stip + stipStride * stipHeight; - modulus (- yRot, stipHeight, stipY); - s = stip + stipStride * stipY; - modulus (- xRot, FB_UNIT, stipX); - rot = stipX; - - /* - * Get pointer to stipple mask array for this depth - */ - /* fbStippleTable covers all valid bpp (4,8,16,32) */ - fbBits = fbStippleTable[pixelsPerDst]; - - while (height--) - { - /* - * Extract stipple bits for this scanline; - */ - bits = READ(s); - s += stipStride; - if (s == stipEnd) - s = stip; -#if FB_UNIT > 32 - if (pixelsPerDst == 16) - mask = FbStipple16Bits(FbLeftStipBits(bits,16)); - else -#endif - mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)]; - /* - * Rotate into position and compute reduced rop values - */ - mask = FbRotLeft(mask, rot); - and = (fgand & mask) | (bgand & ~mask); - xor = (fgxor & mask) | (bgxor & ~mask); - - if (transparent) - { - if (startmask) - { - fbTransparentSpan(dst, mask&startmask, fgxor, 1); - dst++; - } - fbTransparentSpan (dst, mask, fgxor, nmiddle); - dst += nmiddle; - if (endmask) - fbTransparentSpan(dst, mask&endmask, fgxor, 1); - } - else - { - /* - * Fill scanline - */ - if (startmask) - { - FbDoLeftMaskByteRRop (dst, startbyte, startmask, and, xor); - dst++; - } - n = nmiddle; - if (!and) - while (n--) - WRITE(dst++, xor); - else - { - while (n--) - { - WRITE(dst, FbDoRRop (READ(dst), and, xor)); - dst++; - } - } - if (endmask) - FbDoRightMaskByteRRop(dst, endbyte, endmask, and, xor); - } - dst += dstStride; - } -} - -void -fbOddStipple (FbBits *dst, - FbStride dstStride, - int dstX, - int dstBpp, - - int width, - int height, - - FbStip *stip, - FbStride stipStride, - int stipWidth, - int stipHeight, - - FbBits fgand, - FbBits fgxor, - FbBits bgand, - FbBits bgxor, - - int xRot, - int yRot) -{ - int stipX, stipY, sx; - int widthTmp; - int h, w; - int x, y; - - modulus (- yRot, stipHeight, stipY); - modulus (dstX / dstBpp - xRot, stipWidth, stipX); - y = 0; - while (height) - { - h = stipHeight - stipY; - if (h > height) - h = height; - height -= h; - widthTmp = width; - x = dstX; - sx = stipX; - while (widthTmp) - { - w = (stipWidth - sx) * dstBpp; - if (w > widthTmp) - w = widthTmp; - widthTmp -= w; - fbBltOne (stip + stipY * stipStride, - stipStride, - sx, - - dst + y * dstStride, - dstStride, - x, - dstBpp, - - w, h, - - fgand, fgxor, bgand, bgxor); - x += w; - sx = 0; - } - y += h; - stipY = 0; - } -} - -void -fbStipple (FbBits *dst, - FbStride dstStride, - int dstX, - int dstBpp, - - int width, - int height, - - FbStip *stip, - FbStride stipStride, - int stipWidth, - int stipHeight, - Bool even, - - FbBits fgand, - FbBits fgxor, - FbBits bgand, - FbBits bgxor, - - int xRot, - int yRot) -{ - if (even) - fbEvenStipple (dst, dstStride, dstX, dstBpp, width, height, - stip, stipStride, stipHeight, - fgand, fgxor, bgand, bgxor, xRot, yRot); - else - fbOddStipple (dst, dstStride, dstX, dstBpp, width, height, - stip, stipStride, stipWidth, stipHeight, - fgand, fgxor, bgand, bgxor, xRot, yRot); -} +/* + * Copyright © 1998 Keith Packard + * + * 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 Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include "fb.h" + +/* + * This is a slight abuse of the preprocessor to generate repetitive + * code, the idea is to generate code for each case of a copy-mode + * transparent stipple + */ +#define LaneCases1(c,a) case c: \ + while (n--) { FbLaneCase(c,a); a++; } \ + break +#define LaneCases2(c,a) LaneCases1(c,a); LaneCases1(c+1,a) +#define LaneCases4(c,a) LaneCases2(c,a); LaneCases2(c+2,a) +#define LaneCases8(c,a) LaneCases4(c,a); LaneCases4(c+4,a) +#define LaneCases16(c,a) LaneCases8(c,a); LaneCases8(c+8,a) +#define LaneCases32(c,a) LaneCases16(c,a); LaneCases16(c+16,a) +#define LaneCases64(c,a) LaneCases32(c,a); LaneCases32(c+32,a) +#define LaneCases128(c,a) LaneCases64(c,a); LaneCases64(c+64,a) +#define LaneCases256(c,a) LaneCases128(c,a); LaneCases128(c+128,a) + +#if FB_SHIFT == 6 +#define LaneCases(a) LaneCases256(0,a) +#endif + +#if FB_SHIFT == 5 +#define LaneCases(a) LaneCases16(0,a) +#endif + +/* + * Repeat a transparent stipple across a scanline n times + */ + +void +fbTransparentSpan (FbBits *dst, + FbBits stip, + FbBits fgxor, + int n) +{ + FbStip s; + + s = ((FbStip) (stip ) & 0x01); + s |= ((FbStip) (stip >> 8) & 0x02); + s |= ((FbStip) (stip >> 16) & 0x04); + s |= ((FbStip) (stip >> 24) & 0x08); +#if FB_SHIFT > 5 + s |= ((FbStip) (stip >> 32) & 0x10); + s |= ((FbStip) (stip >> 40) & 0x20); + s |= ((FbStip) (stip >> 48) & 0x40); + s |= ((FbStip) (stip >> 56) & 0x80); +#endif + switch (s) { + LaneCases(dst); + } +} + +void +fbEvenStipple (FbBits *dst, + FbStride dstStride, + int dstX, + int dstBpp, + + int width, + int height, + + FbStip *stip, + FbStride stipStride, + int stipHeight, + + FbBits fgand, + FbBits fgxor, + FbBits bgand, + FbBits bgxor, + + int xRot, + int yRot) +{ + FbBits startmask, endmask; + FbBits mask, and, xor; + int nmiddle, n; + FbStip *s, *stipEnd, bits; + int rot, stipX, stipY; + int pixelsPerDst; + const FbBits *fbBits; + Bool transparent; + int startbyte, endbyte; + + /* + * Check for a transparent stipple (stencil) + */ + transparent = FALSE; + if (dstBpp >= 8 && + fgand == 0 && bgand == FB_ALLONES && bgxor == 0) + transparent = TRUE; + + pixelsPerDst = FB_UNIT / dstBpp; + /* + * Adjust dest pointers + */ + dst += dstX >> FB_SHIFT; + dstX &= FB_MASK; + FbMaskBitsBytes (dstX, width, fgand == 0 && bgand == 0, + startmask, startbyte, nmiddle, endmask, endbyte); + + if (startmask) + dstStride--; + dstStride -= nmiddle; + + xRot *= dstBpp; + /* + * Compute stip start scanline and rotation parameters + */ + stipEnd = stip + stipStride * stipHeight; + modulus (- yRot, stipHeight, stipY); + s = stip + stipStride * stipY; + modulus (- xRot, FB_UNIT, stipX); + rot = stipX; + + /* + * Get pointer to stipple mask array for this depth + */ + /* fbStippleTable covers all valid bpp (4,8,16,32) */ + fbBits = fbStippleTable[pixelsPerDst]; + + while (height--) + { + /* + * Extract stipple bits for this scanline; + */ + bits = READ(s); + s += stipStride; + if (s == stipEnd) + s = stip; +#if FB_UNIT > 32 + if (pixelsPerDst == 16) + mask = FbStipple16Bits(FbLeftStipBits(bits,16)); + else +#endif + mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)]; + /* + * Rotate into position and compute reduced rop values + */ + mask = FbRotLeft(mask, rot); + and = (fgand & mask) | (bgand & ~mask); + xor = (fgxor & mask) | (bgxor & ~mask); + + if (transparent) + { + if (startmask) + { + fbTransparentSpan(dst, mask&startmask, fgxor, 1); + dst++; + } + fbTransparentSpan (dst, mask, fgxor, nmiddle); + dst += nmiddle; + if (endmask) + fbTransparentSpan(dst, mask&endmask, fgxor, 1); + } + else + { + /* + * Fill scanline + */ + if (startmask) + { + FbDoLeftMaskByteRRop (dst, startbyte, startmask, and, xor); + dst++; + } + n = nmiddle; + if (!and) + while (n--) + WRITE(dst++, xor); + else + { + while (n--) + { + WRITE(dst, FbDoRRop (READ(dst), and, xor)); + dst++; + } + } + if (endmask) + FbDoRightMaskByteRRop(dst, endbyte, endmask, and, xor); + } + dst += dstStride; + } +} + +void +fbOddStipple (FbBits *dst, + FbStride dstStride, + int dstX, + int dstBpp, + + int width, + int height, + + FbStip *stip, + FbStride stipStride, + int stipWidth, + int stipHeight, + + FbBits fgand, + FbBits fgxor, + FbBits bgand, + FbBits bgxor, + + int xRot, + int yRot) +{ + int stipX, stipY, sx; + int widthTmp; + int h, w; + int x, y; + + modulus (- yRot, stipHeight, stipY); + modulus (dstX / dstBpp - xRot, stipWidth, stipX); + y = 0; + while (height) + { + h = stipHeight - stipY; + if (h > height) + h = height; + height -= h; + widthTmp = width; + x = dstX; + sx = stipX; + while (widthTmp) + { + w = (stipWidth - sx) * dstBpp; + if (w > widthTmp) + w = widthTmp; + widthTmp -= w; + fbBltOne (stip + stipY * stipStride, + stipStride, + sx, + + dst + y * dstStride, + dstStride, + x, + dstBpp, + + w, h, + + fgand, fgxor, bgand, bgxor); + x += w; + sx = 0; + } + y += h; + stipY = 0; + } +} + +void +fbStipple (FbBits *dst, + FbStride dstStride, + int dstX, + int dstBpp, + + int width, + int height, + + FbStip *stip, + FbStride stipStride, + int stipWidth, + int stipHeight, + Bool even, + + FbBits fgand, + FbBits fgxor, + FbBits bgand, + FbBits bgxor, + + int xRot, + int yRot) +{ + if (even) + fbEvenStipple (dst, dstStride, dstX, dstBpp, width, height, + stip, stipStride, stipHeight, + fgand, fgxor, bgand, bgxor, xRot, yRot); + else + fbOddStipple (dst, dstStride, dstX, dstBpp, width, height, + stip, stipStride, stipWidth, stipHeight, + fgand, fgxor, bgand, bgxor, xRot, yRot); +} -- cgit v1.2.3