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Diffstat (limited to 'xorg-server/fb/fbstipple.c')
-rw-r--r--xorg-server/fb/fbstipple.c264
1 files changed, 0 insertions, 264 deletions
diff --git a/xorg-server/fb/fbstipple.c b/xorg-server/fb/fbstipple.c
deleted file mode 100644
index f6c84a212..000000000
--- a/xorg-server/fb/fbstipple.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * 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 <dix-config.h>
-#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);
-}
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