diff options
Diffstat (limited to 'nx-X11/programs/Xserver/mfb/fastblt.h')
-rw-r--r-- | nx-X11/programs/Xserver/mfb/fastblt.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/nx-X11/programs/Xserver/mfb/fastblt.h b/nx-X11/programs/Xserver/mfb/fastblt.h deleted file mode 100644 index 08846a41f..000000000 --- a/nx-X11/programs/Xserver/mfb/fastblt.h +++ /dev/null @@ -1,98 +0,0 @@ -/* $Xorg: fastblt.h,v 1.4 2001/02/09 02:05:17 xorgcvs Exp $ */ -/* - -Copyright 1989, 1998 The Open Group - -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. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ -/* $XFree86: xc/programs/Xserver/mfb/fastblt.h,v 1.4 2001/01/17 22:37:01 dawes Exp $ */ - -/* - * Fast bitblt macros for certain hardware. If your machine has an addressing - * mode of small constant + register, you'll probably want this magic specific - * code. It's 25% faster for the R2000. I haven't studied the Sparc - * instruction set, but I suspect it also has this addressing mode. Also, - * unrolling the loop by 32 is possibly excessive for mfb. The number of times - * the loop is actually looped through is pretty small. - */ - -/* - * WARNING: These macros make *a lot* of assumptions about - * the environment they are invoked in. Plenty of implicit - * arguments, lots of side effects. Don't use them casually. - */ - -#define SwitchOdd(n) case n: BodyOdd(n) -#define SwitchEven(n) case n: BodyEven(n) - -/* to allow mfb and cfb to share code... */ -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#ifndef BitRight -#define BitRight(a,b) SCRRIGHT(a,b) -#define BitLeft(a,b) SCRLEFT(a,b) -#endif - -#ifdef LARGE_INSTRUCTION_CACHE -#define UNROLL 8 -#define PackedLoop \ - switch (nl & (UNROLL-1)) { \ - SwitchOdd( 7) SwitchEven( 6) SwitchOdd( 5) SwitchEven( 4) \ - SwitchOdd( 3) SwitchEven( 2) SwitchOdd( 1) \ - } \ - while ((nl -= UNROLL) >= 0) { \ - LoopReset \ - BodyEven( 8) \ - BodyOdd( 7) BodyEven( 6) BodyOdd( 5) BodyEven( 4) \ - BodyOdd( 3) BodyEven( 2) BodyOdd( 1) \ - } -#else -#define UNROLL 4 -#define PackedLoop \ - switch (nl & (UNROLL-1)) { \ - SwitchOdd( 3) SwitchEven( 2) SwitchOdd( 1) \ - } \ - while ((nl -= UNROLL) >= 0) { \ - LoopReset \ - BodyEven( 4) \ - BodyOdd( 3) BodyEven( 2) BodyOdd( 1) \ - } -#endif - -#define DuffL(counter,label,body) \ - switch (counter & 3) { \ - label: \ - body \ - case 3: \ - body \ - case 2: \ - body \ - case 1: \ - body \ - case 0: \ - if ((counter -= 4) >= 0) \ - goto label; \ - } |