diff options
Diffstat (limited to 'xorg-server/miext/rootless/accel/rlSolid.c')
-rw-r--r-- | xorg-server/miext/rootless/accel/rlSolid.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/xorg-server/miext/rootless/accel/rlSolid.c b/xorg-server/miext/rootless/accel/rlSolid.c new file mode 100644 index 000000000..fa4160f38 --- /dev/null +++ b/xorg-server/miext/rootless/accel/rlSolid.c @@ -0,0 +1,111 @@ +/* + * Accelerated rootless fill + */ +/* + * This code is largely copied from fbsolid.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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "fb.h" +#include "rootlessCommon.h" + + +void +rlSolid (ScreenPtr pScreen, + FbBits *dst, + FbStride dstStride, + int dstX, + int bpp, + + int width, + int height, + + FbBits and, + FbBits xor) +{ + FbBits startmask, endmask; + int n, nmiddle; + int startbyte, endbyte; + +#ifdef FB_24BIT + if (bpp == 24 && (!FbCheck24Pix(and) || !FbCheck24Pix(xor))) + { + fbSolid24 (dst, dstStride, dstX, width, height, and, xor); + return; + } +#endif + + dst += dstX >> FB_SHIFT; + dstX &= FB_MASK; + FbMaskBitsBytes(dstX, width, and == 0, startmask, startbyte, + nmiddle, endmask, endbyte); + + /* + * Beginning of the rootless acceleration code + */ + if (!startmask && !endmask && !and && + height * nmiddle * sizeof (*dst) > rootless_FillBytes_threshold && + SCREENREC(pScreen)->imp->FillBytes) + { + if (bpp <= 8) + xor |= xor << 8; + if (bpp <= 16) + xor |= xor << 16; + + SCREENREC(pScreen)->imp->FillBytes(nmiddle * sizeof (*dst), height, + xor, (char *) dst + (dstX >> 3), + dstStride * sizeof (*dst)); + return; + } + /* End of the rootless acceleration code */ + + if (startmask) + dstStride--; + dstStride -= nmiddle; + while (height--) + { + if (startmask) + { + FbDoLeftMaskByteRRop(dst,startbyte,startmask,and,xor); + dst++; + } + n = nmiddle; + if (!and) + while (n--) + *dst++ = xor; + else + while (n--) + { + *dst = FbDoRRop (*dst, and, xor); + dst++; + } + if (endmask) + FbDoRightMaskByteRRop(dst,endbyte,endmask,and,xor); + dst += dstStride; + } +} |