diff options
Diffstat (limited to 'miext/rootless/accel/rlBlt.c')
-rw-r--r-- | miext/rootless/accel/rlBlt.c | 366 |
1 files changed, 0 insertions, 366 deletions
diff --git a/miext/rootless/accel/rlBlt.c b/miext/rootless/accel/rlBlt.c deleted file mode 100644 index ba6fdf227..000000000 --- a/miext/rootless/accel/rlBlt.c +++ /dev/null @@ -1,366 +0,0 @@ -/* - * Accelerated rootless blit - */ -/* - * This code is largely copied from fbBlt.c. - * - * Copyright © 1998 Keith Packard - * Copyright (c) 2002 Apple Computer, Inc. All Rights Reserved. - * Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved. - * - * 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. - */ -/* $XFree86: xc/programs/Xserver/miext/rootless/accel/rlBlt.c,v 1.1 2003/10/24 00:33:15 torrey Exp $ */ - -#include "fb.h" -#include "rootlessCommon.h" -#include "rlAccel.h" - - -void -rlBlt (FbBits *srcLine, - FbStride srcStride, - int srcX, - - ScreenPtr pDstScreen, - FbBits *dstLine, - FbStride dstStride, - int dstX, - - int width, - int height, - - int alu, - FbBits pm, - int bpp, - - Bool reverse, - Bool upsidedown) -{ - FbBits *src, *dst; - int leftShift, rightShift; - FbBits startmask, endmask; - FbBits bits, bits1; - int n, nmiddle; - Bool destInvarient; - int startbyte, endbyte; - FbDeclareMergeRop (); - -#ifdef FB_24BIT - if (bpp == 24 && !FbCheck24Pix (pm)) - { - fbBlt24 (srcLine, srcStride, srcX, dstLine, dstStride, dstX, - width, height, alu, pm, reverse, upsidedown); - return; - } -#endif - FbInitializeMergeRop(alu, pm); - destInvarient = FbDestInvarientMergeRop(); - if (upsidedown) - { - srcLine += (height - 1) * (srcStride); - dstLine += (height - 1) * (dstStride); - srcStride = -srcStride; - dstStride = -dstStride; - } - FbMaskBitsBytes (dstX, width, destInvarient, startmask, startbyte, - nmiddle, endmask, endbyte); - - /* - * Beginning of the rootless acceleration code - */ - if (!startmask && !endmask && alu == GXcopy && - height * nmiddle * sizeof(*dst) > rootless_CopyBytes_threshold) - { - if (pm == FB_ALLONES && SCREENREC(pDstScreen)->imp->CopyBytes) - { - SCREENREC(pDstScreen)->imp->CopyBytes( - nmiddle * sizeof(*dst), height, - (char *) srcLine + (srcX >> 3), - srcStride * sizeof (*src), - (char *) dstLine + (dstX >> 3), - dstStride * sizeof (*dst)); - return; - } - - /* FIXME: the pm test here isn't super-wonderful - just because - we don't care about the top eight bits doesn't necessarily - mean we want them set to 255. But doing this does give a - factor of two performance improvement when copying from a - pixmap to a window, which is pretty common.. */ - - else if (bpp == 32 && sizeof(FbBits) == 4 && - pm == 0x00FFFFFFUL && !reverse && - SCREENREC(pDstScreen)->imp->CompositePixels) - { - /* need to copy XRGB to ARGB. */ - - void *src[2], *dest[2]; - unsigned int src_rowbytes[2], dest_rowbytes[2]; - unsigned int fn; - - src[0] = (char *) srcLine + (srcX >> 3); - src[1] = NULL; - src_rowbytes[0] = srcStride * sizeof(*src); - src_rowbytes[1] = 0; - - dest[0] = (char *) dstLine + (dstX >> 3); - dest[1] = dest[0]; - dest_rowbytes[0] = dstStride * sizeof(*dst); - dest_rowbytes[1] = dest_rowbytes[0]; - - fn = RL_COMPOSITE_FUNCTION(RL_COMPOSITE_SRC, RL_DEPTH_ARGB8888, - RL_DEPTH_NIL, RL_DEPTH_ARGB8888); - - if (SCREENREC(pDstScreen)->imp->CompositePixels( - nmiddle, height, - fn, src, src_rowbytes, - NULL, 0, dest, dest_rowbytes) == Success) - { - return; - } - } - } - /* End of the rootless acceleration code */ - - if (reverse) - { - srcLine += ((srcX + width - 1) >> FB_SHIFT) + 1; - dstLine += ((dstX + width - 1) >> FB_SHIFT) + 1; - srcX = (srcX + width - 1) & FB_MASK; - dstX = (dstX + width - 1) & FB_MASK; - } - else - { - srcLine += srcX >> FB_SHIFT; - dstLine += dstX >> FB_SHIFT; - srcX &= FB_MASK; - dstX &= FB_MASK; - } - if (srcX == dstX) - { - while (height--) - { - src = srcLine; - srcLine += srcStride; - dst = dstLine; - dstLine += dstStride; - if (reverse) - { - if (endmask) - { - bits = *--src; - --dst; - FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask); - } - n = nmiddle; - if (destInvarient) - { - while (n--) - *--dst = FbDoDestInvarientMergeRop(*--src); - } - else - { - while (n--) - { - bits = *--src; - --dst; - *dst = FbDoMergeRop (bits, *dst); - } - } - if (startmask) - { - bits = *--src; - --dst; - FbDoLeftMaskByteMergeRop(dst, bits, startbyte, startmask); - } - } - else - { - if (startmask) - { - bits = *src++; - FbDoLeftMaskByteMergeRop(dst, bits, startbyte, startmask); - dst++; - } - n = nmiddle; - if (destInvarient) - { -#if 0 - /* - * This provides some speedup on screen->screen blts - * over the PCI bus, usually about 10%. But fb - * isn't usually used for this operation... - */ - if (_ca2 + 1 == 0 && _cx2 == 0) - { - FbBits t1, t2, t3, t4; - while (n >= 4) - { - t1 = *src++; - t2 = *src++; - t3 = *src++; - t4 = *src++; - *dst++ = t1; - *dst++ = t2; - *dst++ = t3; - *dst++ = t4; - n -= 4; - } - } -#endif - while (n--) - *dst++ = FbDoDestInvarientMergeRop(*src++); - } - else - { - while (n--) - { - bits = *src++; - *dst = FbDoMergeRop (bits, *dst); - dst++; - } - } - if (endmask) - { - bits = *src; - FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask); - } - } - } - } - else - { - if (srcX > dstX) - { - leftShift = srcX - dstX; - rightShift = FB_UNIT - leftShift; - } - else - { - rightShift = dstX - srcX; - leftShift = FB_UNIT - rightShift; - } - while (height--) - { - src = srcLine; - srcLine += srcStride; - dst = dstLine; - dstLine += dstStride; - - bits1 = 0; - if (reverse) - { - if (srcX < dstX) - bits1 = *--src; - if (endmask) - { - bits = FbScrRight(bits1, rightShift); - if (FbScrRight(endmask, leftShift)) - { - bits1 = *--src; - bits |= FbScrLeft(bits1, leftShift); - } - --dst; - FbDoRightMaskByteMergeRop(dst, bits, endbyte, endmask); - } - n = nmiddle; - if (destInvarient) - { - while (n--) - { - bits = FbScrRight(bits1, rightShift); - bits1 = *--src; - bits |= FbScrLeft(bits1, leftShift); - --dst; - *dst = FbDoDestInvarientMergeRop(bits); - } - } - else - { - while (n--) - { - bits = FbScrRight(bits1, rightShift); - bits1 = *--src; - bits |= FbScrLeft(bits1, leftShift); - --dst; - *dst = FbDoMergeRop(bits, *dst); - } - } - if (startmask) - { - bits = FbScrRight(bits1, rightShift); - if (FbScrRight(startmask, leftShift)) - { - bits1 = *--src; - bits |= FbScrLeft(bits1, leftShift); - } - --dst; - FbDoLeftMaskByteMergeRop (dst, bits, startbyte, startmask); - } - } - else - { - if (srcX > dstX) - bits1 = *src++; - if (startmask) - { - bits = FbScrLeft(bits1, leftShift); - bits1 = *src++; - bits |= FbScrRight(bits1, rightShift); - FbDoLeftMaskByteMergeRop (dst, bits, startbyte, startmask); - dst++; - } - n = nmiddle; - if (destInvarient) - { - while (n--) - { - bits = FbScrLeft(bits1, leftShift); - bits1 = *src++; - bits |= FbScrRight(bits1, rightShift); - *dst = FbDoDestInvarientMergeRop(bits); - dst++; - } - } - else - { - while (n--) - { - bits = FbScrLeft(bits1, leftShift); - bits1 = *src++; - bits |= FbScrRight(bits1, rightShift); - *dst = FbDoMergeRop(bits, *dst); - dst++; - } - } - if (endmask) - { - bits = FbScrLeft(bits1, leftShift); - if (FbScrLeft(endmask, rightShift)) - { - bits1 = *src; - bits |= FbScrRight(bits1, rightShift); - } - FbDoRightMaskByteMergeRop (dst, bits, endbyte, endmask); - } - } - } - } -} |