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![Rémi Bernon](/assets/img/avatar_default.png)
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2112 lines
89 KiB
C
2112 lines
89 KiB
C
/*
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* GDI bit-blit operations
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*
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* Copyright 1993, 1994, 2011 Alexandre Julliard
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* Copyright 2006 Damjan Jovanovic
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <X11/Xlib.h>
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#include <X11/Xresource.h>
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#include <X11/Xutil.h>
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#ifdef HAVE_X11_EXTENSIONS_SHAPE_H
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#include <X11/extensions/shape.h>
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#endif
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#ifdef HAVE_X11_EXTENSIONS_XSHM_H
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# include <X11/extensions/XShm.h>
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# ifdef HAVE_SYS_SHM_H
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# include <sys/shm.h>
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# endif
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# ifdef HAVE_SYS_IPC_H
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# include <sys/ipc.h>
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# endif
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#endif
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "x11drv.h"
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#include "winternl.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(bitblt);
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#define DST 0 /* Destination drawable */
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#define SRC 1 /* Source drawable */
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#define TMP 2 /* Temporary drawable */
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#define PAT 3 /* Pattern (brush) in destination DC */
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#define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | (rop))
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#define OP_ARGS(src,dst) (((src) << 2) | (dst))
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#define OP_SRC(opcode) ((opcode) >> 6)
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#define OP_DST(opcode) (((opcode) >> 4) & 3)
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#define OP_SRCDST(opcode) ((opcode) >> 4)
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#define OP_ROP(opcode) ((opcode) & 0x0f)
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#define MAX_OP_LEN 6 /* Longest opcode + 1 for the terminating 0 */
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static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] =
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{
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{ OP(PAT,DST,GXclear) }, /* 0x00 0 */
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{ OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */
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{ OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */
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{ OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */
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{ OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */
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{ OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */
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{ OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */
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{ OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */
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{ OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */
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{ OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */
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{ OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */
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{ OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */
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{ OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */
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{ OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */
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{ OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */
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{ OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */
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{ OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */
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{ OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */
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{ OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */
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{ OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */
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{ OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */
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{ OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
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OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
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OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */
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{ OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
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OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
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OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/
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{ OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
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OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
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OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */
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{ OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
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OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
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OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */
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{ OP(PAT,DST,GXand), OP(SRC,DST,GXor),
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OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */
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{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
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OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */
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{ OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */
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{ OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */
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{ OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */
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{ OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */
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{ OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */
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{ OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */
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{ OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
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OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */
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{ OP(PAT,SRC,GXnand), OP(SRC,DST,GXand),
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OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXequiv),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */
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{ OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
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OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */
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{ OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
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OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
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OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/
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{ OP(SRC,DST,GXor), OP(PAT,DST,GXand),
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OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */
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{ OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */
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{ OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
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OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */
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{ OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */
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{ OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */
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{ OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */
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{ OP(SRC,DST,GXor), OP(PAT,DST,GXor),
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OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */
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{ OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */
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{ OP(SRC,DST,GXand), OP(PAT,DST,GXor),
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OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */
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{ OP(SRC,DST,GXequiv), OP(PAT,DST,GXor),
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OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */
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{ OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */
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{ OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */
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{ OP(PAT,DST,GXor), OP(SRC,DST,GXand),
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OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */
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{ OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */
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{ OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
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OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */
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{ OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */
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{ OP(PAT,SRC,GXxor) }, /* 0x3c P^S */
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{ OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
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OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */
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{ OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
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OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */
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{ OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */
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{ OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */
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{ OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */
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{ OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
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OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */
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{ OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
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OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */
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{ OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */
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{ OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */
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{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */
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{ OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
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OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */
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{ OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */
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{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
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OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */
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{ OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
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OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */
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{ OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */
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{ OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */
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{ OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
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OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
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OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/
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{ OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
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OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */
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{ OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */
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{ OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */
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{ OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */
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{ OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
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OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */
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{ OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
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OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */
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{ OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */
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{ OP(PAT,DST,GXinvert) }, /* 0x55 ~D */
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{ OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */
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{ OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */
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{ OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
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OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */
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{ OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */
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{ OP(PAT,DST,GXxor) }, /* 0x5a D^P */
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{ OP(DST,SRC,GXnor), OP(PAT,SRC,GXor),
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OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */
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{ OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
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OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */
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{ OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */
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{ OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor),
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OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */
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{ OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */
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{ OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */
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{ OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
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OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
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OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */
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{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
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OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */
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{ OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
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OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */
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{ OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */
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{ OP(SRC,DST,GXxor) }, /* 0x66 S^D */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */
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{ OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor),
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OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
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OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/
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{ OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */
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{ OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
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OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
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OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */
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{ OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */
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{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
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OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
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OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
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OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */
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{ OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */
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{ OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */
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{ OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
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OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
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OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */
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{ OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */
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{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */
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{ OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */
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{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
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OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */
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{ OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */
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{ OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */
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{ OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
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OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
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OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */
|
|
{ OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand),
|
|
OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */
|
|
{ OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */
|
|
{ OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
|
|
OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */
|
|
{ OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */
|
|
{ OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
|
|
OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */
|
|
{ OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */
|
|
{ OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */
|
|
{ OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
|
|
OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */
|
|
{ OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */
|
|
{ OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
|
|
OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */
|
|
{ OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */
|
|
{ OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand),
|
|
OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */
|
|
{ OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
|
|
OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
|
|
OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */
|
|
{ OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */
|
|
{ OP(SRC,DST,GXand) }, /* 0x88 S&D */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
|
|
OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */
|
|
{ OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */
|
|
{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
|
|
OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */
|
|
{ OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
|
|
OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
|
|
OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
|
|
OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/
|
|
{ OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */
|
|
{ OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
|
|
OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */
|
|
{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
|
|
OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
|
|
OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */
|
|
{ OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
|
|
OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
|
|
OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */
|
|
{ OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */
|
|
{ OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
|
|
OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
|
|
OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
|
|
OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */
|
|
{ OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */
|
|
{ OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
|
|
OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */
|
|
{ OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */
|
|
{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
|
|
OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */
|
|
{ OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
|
|
OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
|
|
OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */
|
|
{ OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */
|
|
{ OP(PAT,DST,GXand) }, /* 0xa0 D&P */
|
|
{ OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor),
|
|
OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */
|
|
{ OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */
|
|
{ OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
|
|
OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */
|
|
{ OP(PAT,SRC,GXnor), OP(SRC,DST,GXor),
|
|
OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */
|
|
{ OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */
|
|
{ OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */
|
|
{ OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
|
|
OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */
|
|
{ OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */
|
|
{ OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */
|
|
{ OP(PAT,DST,GXnoop) }, /* 0xaa D */
|
|
{ OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */
|
|
{ OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
|
|
OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */
|
|
{ OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
|
|
OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */
|
|
{ OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */
|
|
{ OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */
|
|
{ OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */
|
|
{ OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
|
|
OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
|
|
OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
|
|
OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/
|
|
{ OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */
|
|
{ OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */
|
|
{ OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
|
|
OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */
|
|
{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
|
|
OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
|
|
OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */
|
|
{ OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */
|
|
{ OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
|
|
OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */
|
|
{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
|
|
OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */
|
|
{ OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */
|
|
{ OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */
|
|
{ OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
|
|
OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */
|
|
{ OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
|
|
OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */
|
|
{ OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */
|
|
{ OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */
|
|
{ OP(PAT,SRC,GXand) }, /* 0xc0 P&S */
|
|
{ OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
|
|
OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */
|
|
{ OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
|
|
OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */
|
|
{ OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */
|
|
{ OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */
|
|
{ OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
|
|
OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */
|
|
{ OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */
|
|
{ OP(PAT,DST,GXor), OP(SRC,DST,GXand),
|
|
OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */
|
|
{ OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */
|
|
{ OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */
|
|
{ OP(DST,SRC,GXxor), OP(PAT,SRC,GXand),
|
|
OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */
|
|
{ OP(SRC,DST,GXand), OP(PAT,DST,GXor),
|
|
OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */
|
|
{ OP(SRC,DST,GXcopy) }, /* 0xcc S */
|
|
{ OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */
|
|
{ OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */
|
|
{ OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */
|
|
{ OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */
|
|
{ OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
|
|
OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */
|
|
{ OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */
|
|
{ OP(SRC,DST,GXor), OP(PAT,DST,GXand),
|
|
OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
|
|
OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
|
|
OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/
|
|
{ OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
|
|
OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
|
|
OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */
|
|
{ OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */
|
|
{ OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
|
|
OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
|
|
OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */
|
|
{ OP(DST,SRC,GXnand), OP(PAT,SRC,GXand),
|
|
OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */
|
|
{ OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
|
|
OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */
|
|
{ OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */
|
|
{ OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */
|
|
{ OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */
|
|
{ OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */
|
|
{ OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */
|
|
{ OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */
|
|
{ OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
|
|
OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */
|
|
{ OP(PAT,DST,GXand), OP(SRC,DST,GXor),
|
|
OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
|
|
OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */
|
|
{ OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
|
|
OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
|
|
OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */
|
|
{ OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
|
|
OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */
|
|
{ OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
|
|
OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
|
|
OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/
|
|
{ OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand),
|
|
OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
|
|
OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/
|
|
{ OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */
|
|
{ OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */
|
|
{ OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */
|
|
{ OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */
|
|
{ OP(SRC,DST,GXor) }, /* 0xee S|D */
|
|
{ OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */
|
|
{ OP(PAT,DST,GXcopy) }, /* 0xf0 P */
|
|
{ OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */
|
|
{ OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */
|
|
{ OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */
|
|
{ OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */
|
|
{ OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */
|
|
{ OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */
|
|
{ OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */
|
|
{ OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */
|
|
{ OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */
|
|
{ OP(PAT,DST,GXor) }, /* 0xfa D|P */
|
|
{ OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */
|
|
{ OP(PAT,SRC,GXor) }, /* 0xfc P|S */
|
|
{ OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */
|
|
{ OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */
|
|
{ OP(PAT,DST,GXset) } /* 0xff 1 */
|
|
};
|
|
|
|
static const unsigned char bit_swap[256] =
|
|
{
|
|
0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
|
|
0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
|
|
0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
|
|
0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
|
|
0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
|
|
0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
|
|
0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
|
|
0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
|
|
0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
|
|
0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
|
|
0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
|
|
0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
|
|
0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
|
|
0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
|
|
0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
|
|
0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
|
|
0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
|
|
0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
|
|
0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
|
|
0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
|
|
0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
|
|
0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
|
|
0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
|
|
0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
|
|
0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
|
|
0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
|
|
0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
|
|
0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
|
|
0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
|
|
0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
|
|
0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
|
|
0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
|
|
};
|
|
|
|
#ifdef WORDS_BIGENDIAN
|
|
static const unsigned int zeropad_masks[32] =
|
|
{
|
|
0xffffffff, 0x80000000, 0xc0000000, 0xe0000000, 0xf0000000, 0xf8000000, 0xfc000000, 0xfe000000,
|
|
0xff000000, 0xff800000, 0xffc00000, 0xffe00000, 0xfff00000, 0xfff80000, 0xfffc0000, 0xfffe0000,
|
|
0xffff0000, 0xffff8000, 0xffffc000, 0xffffe000, 0xfffff000, 0xfffff800, 0xfffffc00, 0xfffffe00,
|
|
0xffffff00, 0xffffff80, 0xffffffc0, 0xffffffe0, 0xfffffff0, 0xfffffff8, 0xfffffffc, 0xfffffffe
|
|
};
|
|
#else
|
|
static const unsigned int zeropad_masks[32] =
|
|
{
|
|
0xffffffff, 0x00000080, 0x000000c0, 0x000000e0, 0x000000f0, 0x000000f8, 0x000000fc, 0x000000fe,
|
|
0x000000ff, 0x000080ff, 0x0000c0ff, 0x0000e0ff, 0x0000f0ff, 0x0000f8ff, 0x0000fcff, 0x0000feff,
|
|
0x0000ffff, 0x0080ffff, 0x00c0ffff, 0x00e0ffff, 0x00f0ffff, 0x00f8ffff, 0x00fcffff, 0x00feffff,
|
|
0x00ffffff, 0x80ffffff, 0xc0ffffff, 0xe0ffffff, 0xf0ffffff, 0xf8ffffff, 0xfcffffff, 0xfeffffff
|
|
};
|
|
#endif
|
|
|
|
#ifdef BITBLT_TEST /* Opcodes test */
|
|
|
|
static int do_bitop( int s, int d, int rop )
|
|
{
|
|
int res;
|
|
switch(rop)
|
|
{
|
|
case GXclear: res = 0; break;
|
|
case GXand: res = s & d; break;
|
|
case GXandReverse: res = s & ~d; break;
|
|
case GXcopy: res = s; break;
|
|
case GXandInverted: res = ~s & d; break;
|
|
case GXnoop: res = d; break;
|
|
case GXxor: res = s ^ d; break;
|
|
case GXor: res = s | d; break;
|
|
case GXnor: res = ~(s | d); break;
|
|
case GXequiv: res = ~s ^ d; break;
|
|
case GXinvert: res = ~d; break;
|
|
case GXorReverse: res = s | ~d; break;
|
|
case GXcopyInverted: res = ~s; break;
|
|
case GXorInverted: res = ~s | d; break;
|
|
case GXnand: res = ~(s & d); break;
|
|
case GXset: res = 1; break;
|
|
}
|
|
return res & 1;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int rop, i, res, src, dst, pat, tmp, dstUsed;
|
|
const unsigned char *opcode;
|
|
|
|
for (rop = 0; rop < 256; rop++)
|
|
{
|
|
res = dstUsed = 0;
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
pat = (i >> 2) & 1;
|
|
src = (i >> 1) & 1;
|
|
dst = i & 1;
|
|
for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++)
|
|
{
|
|
switch(*opcode >> 4)
|
|
{
|
|
case OP_ARGS(DST,TMP):
|
|
tmp = do_bitop( dst, tmp, *opcode & 0xf );
|
|
break;
|
|
case OP_ARGS(DST,SRC):
|
|
src = do_bitop( dst, src, *opcode & 0xf );
|
|
break;
|
|
case OP_ARGS(SRC,TMP):
|
|
tmp = do_bitop( src, tmp, *opcode & 0xf );
|
|
break;
|
|
case OP_ARGS(SRC,DST):
|
|
dst = do_bitop( src, dst, *opcode & 0xf );
|
|
dstUsed = 1;
|
|
break;
|
|
case OP_ARGS(PAT,DST):
|
|
dst = do_bitop( pat, dst, *opcode & 0xf );
|
|
dstUsed = 1;
|
|
break;
|
|
case OP_ARGS(PAT,SRC):
|
|
src = do_bitop( pat, src, *opcode & 0xf );
|
|
break;
|
|
case OP_ARGS(TMP,DST):
|
|
dst = do_bitop( tmp, dst, *opcode & 0xf );
|
|
dstUsed = 1;
|
|
break;
|
|
case OP_ARGS(TMP,SRC):
|
|
src = do_bitop( tmp, src, *opcode & 0xf );
|
|
break;
|
|
default:
|
|
printf( "Invalid opcode %x\n", *opcode );
|
|
}
|
|
}
|
|
if (!dstUsed) dst = src;
|
|
if (dst) res |= 1 << i;
|
|
}
|
|
if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* BITBLT_TEST */
|
|
|
|
|
|
/* handler for XGetImage BadMatch errors */
|
|
static int XGetImage_handler( Display *dpy, XErrorEvent *event, void *arg )
|
|
{
|
|
return (event->request_code == X_GetImage && event->error_code == BadMatch);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* BITBLT_GetDstArea
|
|
*
|
|
* Retrieve an area from the destination DC, mapping all the
|
|
* pixels to Windows colors.
|
|
*/
|
|
static int BITBLT_GetDstArea(X11DRV_PDEVICE *physDev, Pixmap pixmap, GC gc, const RECT *visRectDst)
|
|
{
|
|
int exposures = 0;
|
|
INT width = visRectDst->right - visRectDst->left;
|
|
INT height = visRectDst->bottom - visRectDst->top;
|
|
|
|
if (!X11DRV_PALETTE_XPixelToPalette || (physDev->depth == 1) ||
|
|
(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) )
|
|
{
|
|
XCopyArea( gdi_display, physDev->drawable, pixmap, gc,
|
|
physDev->dc_rect.left + visRectDst->left, physDev->dc_rect.top + visRectDst->top,
|
|
width, height, 0, 0 );
|
|
exposures++;
|
|
}
|
|
else
|
|
{
|
|
INT x, y;
|
|
XImage *image;
|
|
|
|
/* Make sure we don't get a BadMatch error */
|
|
XCopyArea( gdi_display, physDev->drawable, pixmap, gc,
|
|
physDev->dc_rect.left + visRectDst->left,
|
|
physDev->dc_rect.top + visRectDst->top,
|
|
width, height, 0, 0);
|
|
exposures++;
|
|
image = XGetImage( gdi_display, pixmap, 0, 0, width, height,
|
|
AllPlanes, ZPixmap );
|
|
if (image)
|
|
{
|
|
for (y = 0; y < height; y++)
|
|
for (x = 0; x < width; x++)
|
|
XPutPixel( image, x, y,
|
|
X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, x, y )]);
|
|
XPutImage( gdi_display, pixmap, gc, image, 0, 0, 0, 0, width, height );
|
|
XDestroyImage( image );
|
|
}
|
|
}
|
|
return exposures;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* BITBLT_PutDstArea
|
|
*
|
|
* Put an area back into the destination DC, mapping the pixel
|
|
* colors to X pixels.
|
|
*/
|
|
static int BITBLT_PutDstArea(X11DRV_PDEVICE *physDev, Pixmap pixmap, const RECT *visRectDst)
|
|
{
|
|
int exposures = 0;
|
|
INT width = visRectDst->right - visRectDst->left;
|
|
INT height = visRectDst->bottom - visRectDst->top;
|
|
|
|
/* !X11DRV_PALETTE_PaletteToXPixel is _NOT_ enough */
|
|
|
|
if (!X11DRV_PALETTE_PaletteToXPixel || (physDev->depth == 1) ||
|
|
(X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) )
|
|
{
|
|
XCopyArea( gdi_display, pixmap, physDev->drawable, physDev->gc, 0, 0, width, height,
|
|
physDev->dc_rect.left + visRectDst->left,
|
|
physDev->dc_rect.top + visRectDst->top );
|
|
exposures++;
|
|
}
|
|
else
|
|
{
|
|
register INT x, y;
|
|
XImage *image = XGetImage( gdi_display, pixmap, 0, 0, width, height,
|
|
AllPlanes, ZPixmap );
|
|
for (y = 0; y < height; y++)
|
|
for (x = 0; x < width; x++)
|
|
{
|
|
XPutPixel( image, x, y,
|
|
X11DRV_PALETTE_PaletteToXPixel[XGetPixel( image, x, y )]);
|
|
}
|
|
XPutImage( gdi_display, physDev->drawable, physDev->gc, image, 0, 0,
|
|
physDev->dc_rect.left + visRectDst->left,
|
|
physDev->dc_rect.top + visRectDst->top, width, height );
|
|
XDestroyImage( image );
|
|
}
|
|
return exposures;
|
|
}
|
|
|
|
static BOOL same_format(X11DRV_PDEVICE *physDevSrc, X11DRV_PDEVICE *physDevDst)
|
|
{
|
|
if (physDevSrc->depth != physDevDst->depth) return FALSE;
|
|
if (!physDevSrc->color_shifts && !physDevDst->color_shifts) return TRUE;
|
|
if (physDevSrc->color_shifts && physDevDst->color_shifts)
|
|
return !memcmp(physDevSrc->color_shifts, physDevDst->color_shifts, sizeof(ColorShifts));
|
|
return FALSE;
|
|
}
|
|
|
|
void execute_rop( X11DRV_PDEVICE *physdev, Pixmap src_pixmap, GC gc, const RECT *visrect, DWORD rop )
|
|
{
|
|
Pixmap pixmaps[3];
|
|
Pixmap result = src_pixmap;
|
|
BOOL null_brush;
|
|
const BYTE *opcode = BITBLT_Opcodes[(rop >> 16) & 0xff];
|
|
BOOL use_pat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
|
|
BOOL use_dst = (((rop >> 1) & 0x550000) != (rop & 0x550000));
|
|
int width = visrect->right - visrect->left;
|
|
int height = visrect->bottom - visrect->top;
|
|
|
|
pixmaps[SRC] = src_pixmap;
|
|
pixmaps[TMP] = 0;
|
|
pixmaps[DST] = XCreatePixmap( gdi_display, root_window, width, height, physdev->depth );
|
|
|
|
if (use_dst) BITBLT_GetDstArea( physdev, pixmaps[DST], gc, visrect );
|
|
null_brush = use_pat && !X11DRV_SetupGCForPatBlt( physdev, gc, TRUE );
|
|
|
|
for ( ; *opcode; opcode++)
|
|
{
|
|
if (OP_DST(*opcode) == DST) result = pixmaps[DST];
|
|
XSetFunction( gdi_display, gc, OP_ROP(*opcode) );
|
|
switch(OP_SRCDST(*opcode))
|
|
{
|
|
case OP_ARGS(DST,TMP):
|
|
case OP_ARGS(SRC,TMP):
|
|
if (!pixmaps[TMP])
|
|
pixmaps[TMP] = XCreatePixmap( gdi_display, root_window, width, height, physdev->depth );
|
|
/* fall through */
|
|
case OP_ARGS(DST,SRC):
|
|
case OP_ARGS(SRC,DST):
|
|
case OP_ARGS(TMP,SRC):
|
|
case OP_ARGS(TMP,DST):
|
|
XCopyArea( gdi_display, pixmaps[OP_SRC(*opcode)], pixmaps[OP_DST(*opcode)], gc,
|
|
0, 0, width, height, 0, 0 );
|
|
break;
|
|
case OP_ARGS(PAT,DST):
|
|
case OP_ARGS(PAT,SRC):
|
|
if (!null_brush)
|
|
XFillRectangle( gdi_display, pixmaps[OP_DST(*opcode)], gc, 0, 0, width, height );
|
|
break;
|
|
}
|
|
}
|
|
XSetFunction( gdi_display, physdev->gc, GXcopy );
|
|
physdev->exposures += BITBLT_PutDstArea( physdev, result, visrect );
|
|
XFreePixmap( gdi_display, pixmaps[DST] );
|
|
if (pixmaps[TMP]) XFreePixmap( gdi_display, pixmaps[TMP] );
|
|
add_device_bounds( physdev, visrect );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PatBlt
|
|
*/
|
|
BOOL CDECL X11DRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
|
|
{
|
|
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
|
|
BOOL usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
|
|
const BYTE *opcode = BITBLT_Opcodes[(rop >> 16) & 0xff];
|
|
|
|
if (usePat && !X11DRV_SetupGCForBrush( physDev )) return TRUE;
|
|
|
|
XSetFunction( gdi_display, physDev->gc, OP_ROP(*opcode) );
|
|
|
|
switch(rop) /* a few special cases */
|
|
{
|
|
case BLACKNESS: /* 0x00 */
|
|
case WHITENESS: /* 0xff */
|
|
if ((physDev->depth != 1) && X11DRV_PALETTE_PaletteToXPixel)
|
|
{
|
|
XSetFunction( gdi_display, physDev->gc, GXcopy );
|
|
if (rop == BLACKNESS)
|
|
XSetForeground( gdi_display, physDev->gc, X11DRV_PALETTE_PaletteToXPixel[0] );
|
|
else
|
|
XSetForeground( gdi_display, physDev->gc,
|
|
WhitePixel( gdi_display, DefaultScreen(gdi_display) ));
|
|
XSetFillStyle( gdi_display, physDev->gc, FillSolid );
|
|
}
|
|
break;
|
|
case DSTINVERT: /* 0x55 */
|
|
if (!(X11DRV_PALETTE_PaletteFlags & (X11DRV_PALETTE_PRIVATE | X11DRV_PALETTE_VIRTUAL)))
|
|
{
|
|
/* Xor is much better when we do not have full colormap. */
|
|
/* Using white^black ensures that we invert at least black */
|
|
/* and white. */
|
|
unsigned long xor_pix = (WhitePixel( gdi_display, DefaultScreen(gdi_display) ) ^
|
|
BlackPixel( gdi_display, DefaultScreen(gdi_display) ));
|
|
XSetFunction( gdi_display, physDev->gc, GXxor );
|
|
XSetForeground( gdi_display, physDev->gc, xor_pix);
|
|
XSetFillStyle( gdi_display, physDev->gc, FillSolid );
|
|
}
|
|
break;
|
|
}
|
|
XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
|
|
physDev->dc_rect.left + dst->visrect.left,
|
|
physDev->dc_rect.top + dst->visrect.top,
|
|
dst->visrect.right - dst->visrect.left,
|
|
dst->visrect.bottom - dst->visrect.top );
|
|
add_device_bounds( physDev, &dst->visrect );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* X11DRV_StretchBlt
|
|
*/
|
|
BOOL CDECL X11DRV_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
|
|
PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop )
|
|
{
|
|
X11DRV_PDEVICE *physDevDst = get_x11drv_dev( dst_dev );
|
|
X11DRV_PDEVICE *physDevSrc = get_x11drv_dev( src_dev );
|
|
INT width, height;
|
|
const BYTE *opcode;
|
|
Pixmap src_pixmap;
|
|
GC gc;
|
|
|
|
if (src_dev->funcs != dst_dev->funcs ||
|
|
src->width != dst->width || src->height != dst->height || /* no stretching with core X11 */
|
|
(physDevDst->depth == 1 && physDevSrc->depth != 1) || /* color -> mono done by hand */
|
|
(X11DRV_PALETTE_XPixelToPalette && physDevSrc->depth != 1)) /* needs palette mapping */
|
|
{
|
|
dst_dev = GET_NEXT_PHYSDEV( dst_dev, pStretchBlt );
|
|
return dst_dev->funcs->pStretchBlt( dst_dev, dst, src_dev, src, rop );
|
|
}
|
|
|
|
width = dst->visrect.right - dst->visrect.left;
|
|
height = dst->visrect.bottom - dst->visrect.top;
|
|
opcode = BITBLT_Opcodes[(rop >> 16) & 0xff];
|
|
|
|
add_device_bounds( physDevDst, &dst->visrect );
|
|
|
|
/* a few optimizations for single-op ROPs */
|
|
if (!opcode[1] && OP_SRCDST(opcode[0]) == OP_ARGS(SRC,DST))
|
|
{
|
|
if (same_format(physDevSrc, physDevDst))
|
|
{
|
|
XSetFunction( gdi_display, physDevDst->gc, OP_ROP(*opcode) );
|
|
XCopyArea( gdi_display, physDevSrc->drawable,
|
|
physDevDst->drawable, physDevDst->gc,
|
|
physDevSrc->dc_rect.left + src->visrect.left,
|
|
physDevSrc->dc_rect.top + src->visrect.top,
|
|
width, height,
|
|
physDevDst->dc_rect.left + dst->visrect.left,
|
|
physDevDst->dc_rect.top + dst->visrect.top );
|
|
physDevDst->exposures++;
|
|
return TRUE;
|
|
}
|
|
if (physDevSrc->depth == 1)
|
|
{
|
|
int text_pixel = X11DRV_PALETTE_ToPhysical( physDevDst, GetTextColor(physDevDst->dev.hdc) );
|
|
int bkgnd_pixel = X11DRV_PALETTE_ToPhysical( physDevDst, GetBkColor(physDevDst->dev.hdc) );
|
|
|
|
XSetBackground( gdi_display, physDevDst->gc, text_pixel );
|
|
XSetForeground( gdi_display, physDevDst->gc, bkgnd_pixel );
|
|
XSetFunction( gdi_display, physDevDst->gc, OP_ROP(*opcode) );
|
|
XCopyPlane( gdi_display, physDevSrc->drawable,
|
|
physDevDst->drawable, physDevDst->gc,
|
|
physDevSrc->dc_rect.left + src->visrect.left,
|
|
physDevSrc->dc_rect.top + src->visrect.top,
|
|
width, height,
|
|
physDevDst->dc_rect.left + dst->visrect.left,
|
|
physDevDst->dc_rect.top + dst->visrect.top, 1 );
|
|
physDevDst->exposures++;
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
gc = XCreateGC( gdi_display, physDevDst->drawable, 0, NULL );
|
|
XSetSubwindowMode( gdi_display, gc, IncludeInferiors );
|
|
XSetGraphicsExposures( gdi_display, gc, False );
|
|
|
|
/* retrieve the source */
|
|
|
|
src_pixmap = XCreatePixmap( gdi_display, root_window, width, height, physDevDst->depth );
|
|
if (physDevSrc->depth == 1)
|
|
{
|
|
/* MSDN says if StretchBlt must convert a bitmap from monochrome
|
|
to color or vice versa, the foreground and background color of
|
|
the device context are used. In fact, it also applies to the
|
|
case when it is converted from mono to mono. */
|
|
int text_pixel = X11DRV_PALETTE_ToPhysical( physDevDst, GetTextColor(physDevDst->dev.hdc) );
|
|
int bkgnd_pixel = X11DRV_PALETTE_ToPhysical( physDevDst, GetBkColor(physDevDst->dev.hdc) );
|
|
|
|
if (X11DRV_PALETTE_XPixelToPalette && physDevDst->depth != 1)
|
|
{
|
|
XSetBackground( gdi_display, gc, X11DRV_PALETTE_XPixelToPalette[text_pixel] );
|
|
XSetForeground( gdi_display, gc, X11DRV_PALETTE_XPixelToPalette[bkgnd_pixel]);
|
|
}
|
|
else
|
|
{
|
|
XSetBackground( gdi_display, gc, text_pixel );
|
|
XSetForeground( gdi_display, gc, bkgnd_pixel );
|
|
}
|
|
XCopyPlane( gdi_display, physDevSrc->drawable, src_pixmap, gc,
|
|
physDevSrc->dc_rect.left + src->visrect.left,
|
|
physDevSrc->dc_rect.top + src->visrect.top,
|
|
width, height, 0, 0, 1 );
|
|
}
|
|
else /* color -> color */
|
|
{
|
|
XCopyArea( gdi_display, physDevSrc->drawable, src_pixmap, gc,
|
|
physDevSrc->dc_rect.left + src->visrect.left,
|
|
physDevSrc->dc_rect.top + src->visrect.top,
|
|
width, height, 0, 0 );
|
|
}
|
|
|
|
execute_rop( physDevDst, src_pixmap, gc, &dst->visrect, rop );
|
|
|
|
XFreePixmap( gdi_display, src_pixmap );
|
|
XFreeGC( gdi_display, gc );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static void CDECL free_heap_bits( struct gdi_image_bits *bits )
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, bits->ptr );
|
|
}
|
|
|
|
static void CDECL free_ximage_bits( struct gdi_image_bits *bits )
|
|
{
|
|
XFree( bits->ptr );
|
|
}
|
|
|
|
static inline int get_dib_info_size( const BITMAPINFO *info, UINT coloruse )
|
|
{
|
|
if (info->bmiHeader.biCompression == BI_BITFIELDS)
|
|
return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
|
|
if (coloruse == DIB_PAL_COLORS)
|
|
return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
|
|
if (!info->bmiHeader.biClrUsed && info->bmiHeader.biBitCount <= 8)
|
|
return FIELD_OFFSET( BITMAPINFO, bmiColors[1 << info->bmiHeader.biBitCount] );
|
|
return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
|
|
}
|
|
|
|
static inline int get_dib_stride( int width, int bpp )
|
|
{
|
|
return ((width * bpp + 31) >> 3) & ~3;
|
|
}
|
|
|
|
static inline int get_dib_image_size( const BITMAPINFO *info )
|
|
{
|
|
return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
|
|
* abs( info->bmiHeader.biHeight );
|
|
}
|
|
|
|
/* store the palette or color mask data in the bitmap info structure */
|
|
static void set_color_info( const XVisualInfo *vis, BITMAPINFO *info, BOOL has_alpha )
|
|
{
|
|
DWORD *colors = (DWORD *)((char *)info + info->bmiHeader.biSize);
|
|
|
|
info->bmiHeader.biCompression = BI_RGB;
|
|
info->bmiHeader.biClrUsed = 0;
|
|
|
|
switch (info->bmiHeader.biBitCount)
|
|
{
|
|
case 4:
|
|
case 8:
|
|
{
|
|
RGBQUAD *rgb = (RGBQUAD *)colors;
|
|
PALETTEENTRY palette[256];
|
|
UINT i, count;
|
|
|
|
info->bmiHeader.biClrUsed = 1 << info->bmiHeader.biBitCount;
|
|
count = X11DRV_GetSystemPaletteEntries( NULL, 0, info->bmiHeader.biClrUsed, palette );
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
rgb[i].rgbRed = palette[i].peRed;
|
|
rgb[i].rgbGreen = palette[i].peGreen;
|
|
rgb[i].rgbBlue = palette[i].peBlue;
|
|
rgb[i].rgbReserved = 0;
|
|
}
|
|
memset( &rgb[count], 0, (info->bmiHeader.biClrUsed - count) * sizeof(*rgb) );
|
|
break;
|
|
}
|
|
case 16:
|
|
colors[0] = vis->red_mask;
|
|
colors[1] = vis->green_mask;
|
|
colors[2] = vis->blue_mask;
|
|
info->bmiHeader.biCompression = BI_BITFIELDS;
|
|
break;
|
|
case 32:
|
|
colors[0] = vis->red_mask;
|
|
colors[1] = vis->green_mask;
|
|
colors[2] = vis->blue_mask;
|
|
if (colors[0] != 0xff0000 || colors[1] != 0x00ff00 || colors[2] != 0x0000ff || !has_alpha)
|
|
info->bmiHeader.biCompression = BI_BITFIELDS;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* check if the specified color info is suitable for PutImage */
|
|
static BOOL matching_color_info( const XVisualInfo *vis, const BITMAPINFO *info )
|
|
{
|
|
DWORD *colors = (DWORD *)((char *)info + info->bmiHeader.biSize);
|
|
|
|
switch (info->bmiHeader.biBitCount)
|
|
{
|
|
case 1:
|
|
if (info->bmiHeader.biCompression != BI_RGB) return FALSE;
|
|
return !info->bmiHeader.biClrUsed; /* color map not allowed */
|
|
case 4:
|
|
case 8:
|
|
{
|
|
RGBQUAD *rgb = (RGBQUAD *)colors;
|
|
PALETTEENTRY palette[256];
|
|
UINT i, count;
|
|
|
|
if (info->bmiHeader.biCompression != BI_RGB) return FALSE;
|
|
count = X11DRV_GetSystemPaletteEntries( NULL, 0, 1 << info->bmiHeader.biBitCount, palette );
|
|
if (count != info->bmiHeader.biClrUsed) return FALSE;
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (rgb[i].rgbRed != palette[i].peRed ||
|
|
rgb[i].rgbGreen != palette[i].peGreen ||
|
|
rgb[i].rgbBlue != palette[i].peBlue) return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
case 16:
|
|
if (info->bmiHeader.biCompression == BI_BITFIELDS)
|
|
return (vis->red_mask == colors[0] &&
|
|
vis->green_mask == colors[1] &&
|
|
vis->blue_mask == colors[2]);
|
|
if (info->bmiHeader.biCompression == BI_RGB)
|
|
return (vis->red_mask == 0x7c00 && vis->green_mask == 0x03e0 && vis->blue_mask == 0x001f);
|
|
break;
|
|
case 32:
|
|
if (info->bmiHeader.biCompression == BI_BITFIELDS)
|
|
return (vis->red_mask == colors[0] &&
|
|
vis->green_mask == colors[1] &&
|
|
vis->blue_mask == colors[2]);
|
|
/* fall through */
|
|
case 24:
|
|
if (info->bmiHeader.biCompression == BI_RGB)
|
|
return (vis->red_mask == 0xff0000 && vis->green_mask == 0x00ff00 && vis->blue_mask == 0x0000ff);
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static inline BOOL is_r8g8b8( const XVisualInfo *vis )
|
|
{
|
|
const XPixmapFormatValues *format = pixmap_formats[vis->depth];
|
|
return format->bits_per_pixel == 24 && vis->red_mask == 0xff0000 && vis->blue_mask == 0x0000ff;
|
|
}
|
|
|
|
static inline BOOL image_needs_byteswap( XImage *image, BOOL is_r8g8b8, int bit_count )
|
|
{
|
|
#ifdef WORDS_BIGENDIAN
|
|
static const int client_byte_order = MSBFirst;
|
|
#else
|
|
static const int client_byte_order = LSBFirst;
|
|
#endif
|
|
|
|
switch (bit_count)
|
|
{
|
|
case 1: return image->bitmap_bit_order != MSBFirst;
|
|
case 4: return image->byte_order != MSBFirst;
|
|
case 16:
|
|
case 32: return image->byte_order != client_byte_order;
|
|
case 24: return (image->byte_order == MSBFirst) ^ !is_r8g8b8;
|
|
default: return FALSE;
|
|
}
|
|
}
|
|
|
|
/* copy image bits with byte swapping and/or pixel mapping */
|
|
static void copy_image_byteswap( BITMAPINFO *info, const unsigned char *src, unsigned char *dst,
|
|
int src_stride, int dst_stride, int height, BOOL byteswap,
|
|
const int *mapping, unsigned int zeropad_mask, unsigned int alpha_bits )
|
|
{
|
|
int x, y, padding_pos = abs(dst_stride) / sizeof(unsigned int) - 1;
|
|
|
|
if (!byteswap && !mapping) /* simply copy */
|
|
{
|
|
if (src != dst)
|
|
{
|
|
for (y = 0; y < height; y++, src += src_stride, dst += dst_stride)
|
|
{
|
|
memcpy( dst, src, src_stride );
|
|
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
|
|
}
|
|
}
|
|
else if (zeropad_mask != ~0u) /* only need to clear the padding */
|
|
{
|
|
for (y = 0; y < height; y++, dst += dst_stride)
|
|
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
|
|
}
|
|
return;
|
|
}
|
|
|
|
switch (info->bmiHeader.biBitCount)
|
|
{
|
|
case 1:
|
|
for (y = 0; y < height; y++, src += src_stride, dst += dst_stride)
|
|
{
|
|
for (x = 0; x < src_stride; x++) dst[x] = bit_swap[src[x]];
|
|
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
|
|
}
|
|
break;
|
|
case 4:
|
|
for (y = 0; y < height; y++, src += src_stride, dst += dst_stride)
|
|
{
|
|
if (mapping)
|
|
{
|
|
if (byteswap)
|
|
for (x = 0; x < src_stride; x++)
|
|
dst[x] = (mapping[src[x] & 0x0f] << 4) | mapping[src[x] >> 4];
|
|
else
|
|
for (x = 0; x < src_stride; x++)
|
|
dst[x] = mapping[src[x] & 0x0f] | (mapping[src[x] >> 4] << 4);
|
|
}
|
|
else
|
|
for (x = 0; x < src_stride; x++)
|
|
dst[x] = (src[x] << 4) | (src[x] >> 4);
|
|
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
|
|
}
|
|
break;
|
|
case 8:
|
|
for (y = 0; y < height; y++, src += src_stride, dst += dst_stride)
|
|
{
|
|
for (x = 0; x < src_stride; x++) dst[x] = mapping[src[x]];
|
|
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
|
|
}
|
|
break;
|
|
case 16:
|
|
for (y = 0; y < height; y++, src += src_stride, dst += dst_stride)
|
|
{
|
|
for (x = 0; x < info->bmiHeader.biWidth; x++)
|
|
((USHORT *)dst)[x] = RtlUshortByteSwap( ((const USHORT *)src)[x] );
|
|
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
|
|
}
|
|
break;
|
|
case 24:
|
|
for (y = 0; y < height; y++, src += src_stride, dst += dst_stride)
|
|
{
|
|
for (x = 0; x < info->bmiHeader.biWidth; x++)
|
|
{
|
|
unsigned char tmp = src[3 * x];
|
|
dst[3 * x] = src[3 * x + 2];
|
|
dst[3 * x + 1] = src[3 * x + 1];
|
|
dst[3 * x + 2] = tmp;
|
|
}
|
|
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
|
|
}
|
|
break;
|
|
case 32:
|
|
for (y = 0; y < height; y++, src += src_stride, dst += dst_stride)
|
|
for (x = 0; x < info->bmiHeader.biWidth; x++)
|
|
((ULONG *)dst)[x] = RtlUlongByteSwap( ((const ULONG *)src)[x] | alpha_bits );
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* copy the image bits, fixing up alignment and byte swapping as necessary */
|
|
DWORD copy_image_bits( BITMAPINFO *info, BOOL is_r8g8b8, XImage *image,
|
|
const struct gdi_image_bits *src_bits, struct gdi_image_bits *dst_bits,
|
|
struct bitblt_coords *coords, const int *mapping, unsigned int zeropad_mask )
|
|
{
|
|
BOOL need_byteswap = image_needs_byteswap( image, is_r8g8b8, info->bmiHeader.biBitCount );
|
|
int height = coords->visrect.bottom - coords->visrect.top;
|
|
int width_bytes = image->bytes_per_line;
|
|
unsigned char *src, *dst;
|
|
|
|
src = src_bits->ptr;
|
|
if (info->bmiHeader.biHeight > 0)
|
|
src += (info->bmiHeader.biHeight - coords->visrect.bottom) * width_bytes;
|
|
else
|
|
src += coords->visrect.top * width_bytes;
|
|
|
|
if ((need_byteswap && !src_bits->is_copy) || /* need to swap bytes */
|
|
(zeropad_mask != ~0u && !src_bits->is_copy) || /* need to clear padding bytes */
|
|
(mapping && !src_bits->is_copy) || /* need to remap pixels */
|
|
(width_bytes & 3) || /* need to fixup line alignment */
|
|
(info->bmiHeader.biHeight > 0)) /* need to flip vertically */
|
|
{
|
|
width_bytes = (width_bytes + 3) & ~3;
|
|
info->bmiHeader.biSizeImage = height * width_bytes;
|
|
if (!(dst_bits->ptr = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage )))
|
|
return ERROR_OUTOFMEMORY;
|
|
dst_bits->is_copy = TRUE;
|
|
dst_bits->free = free_heap_bits;
|
|
}
|
|
else
|
|
{
|
|
/* swap bits in place */
|
|
dst_bits->ptr = src;
|
|
dst_bits->is_copy = src_bits->is_copy;
|
|
dst_bits->free = NULL;
|
|
if (!need_byteswap && zeropad_mask == ~0u && !mapping) return ERROR_SUCCESS; /* nothing to do */
|
|
}
|
|
|
|
dst = dst_bits->ptr;
|
|
|
|
if (info->bmiHeader.biHeight > 0)
|
|
{
|
|
dst += (height - 1) * width_bytes;
|
|
width_bytes = -width_bytes;
|
|
}
|
|
|
|
copy_image_byteswap( info, src, dst, image->bytes_per_line, width_bytes, height,
|
|
need_byteswap, mapping, zeropad_mask, 0 );
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_PutImage
|
|
*/
|
|
DWORD CDECL X11DRV_PutImage( PHYSDEV dev, HRGN clip, BITMAPINFO *info,
|
|
const struct gdi_image_bits *bits, struct bitblt_coords *src,
|
|
struct bitblt_coords *dst, DWORD rop )
|
|
{
|
|
X11DRV_PDEVICE *physdev = get_x11drv_dev( dev );
|
|
DWORD ret;
|
|
XImage *image;
|
|
XVisualInfo vis = default_visual;
|
|
struct gdi_image_bits dst_bits;
|
|
const XPixmapFormatValues *format;
|
|
const BYTE *opcode = BITBLT_Opcodes[(rop >> 16) & 0xff];
|
|
const int *mapping = NULL;
|
|
|
|
vis.depth = physdev->depth;
|
|
if (physdev->color_shifts)
|
|
{
|
|
vis.red_mask = physdev->color_shifts->logicalRed.max << physdev->color_shifts->logicalRed.shift;
|
|
vis.green_mask = physdev->color_shifts->logicalGreen.max << physdev->color_shifts->logicalGreen.shift;
|
|
vis.blue_mask = physdev->color_shifts->logicalBlue.max << physdev->color_shifts->logicalBlue.shift;
|
|
}
|
|
format = pixmap_formats[vis.depth];
|
|
|
|
if (info->bmiHeader.biPlanes != 1) goto update_format;
|
|
if (info->bmiHeader.biBitCount != format->bits_per_pixel) goto update_format;
|
|
/* FIXME: could try to handle 1-bpp using XCopyPlane */
|
|
if (!matching_color_info( &vis, info )) goto update_format;
|
|
if (!bits) return ERROR_SUCCESS; /* just querying the format */
|
|
if ((src->width != dst->width) || (src->height != dst->height)) return ERROR_TRANSFORM_NOT_SUPPORTED;
|
|
|
|
image = XCreateImage( gdi_display, vis.visual, vis.depth, ZPixmap, 0, NULL,
|
|
info->bmiHeader.biWidth, src->visrect.bottom - src->visrect.top, 32, 0 );
|
|
if (!image) return ERROR_OUTOFMEMORY;
|
|
|
|
if (image->bits_per_pixel == 4 || image->bits_per_pixel == 8)
|
|
{
|
|
if (!opcode[1] && OP_SRCDST(opcode[0]) == OP_ARGS(SRC,DST))
|
|
mapping = X11DRV_PALETTE_PaletteToXPixel;
|
|
}
|
|
|
|
ret = copy_image_bits( info, is_r8g8b8(&vis), image, bits, &dst_bits, src, mapping, ~0u );
|
|
|
|
if (!ret)
|
|
{
|
|
BOOL restore_region = add_extra_clipping_region( physdev, clip );
|
|
int width = dst->visrect.right - dst->visrect.left;
|
|
int height = dst->visrect.bottom - dst->visrect.top;
|
|
|
|
image->data = dst_bits.ptr;
|
|
|
|
/* optimization for single-op ROPs */
|
|
if (!opcode[1] && OP_SRCDST(opcode[0]) == OP_ARGS(SRC,DST))
|
|
{
|
|
XSetFunction( gdi_display, physdev->gc, OP_ROP(*opcode) );
|
|
XPutImage( gdi_display, physdev->drawable, physdev->gc, image, src->visrect.left, 0,
|
|
physdev->dc_rect.left + dst->visrect.left,
|
|
physdev->dc_rect.top + dst->visrect.top, width, height );
|
|
}
|
|
else
|
|
{
|
|
GC gc = XCreateGC( gdi_display, physdev->drawable, 0, NULL );
|
|
Pixmap src_pixmap = XCreatePixmap( gdi_display, root_window, width, height, vis.depth );
|
|
|
|
XSetSubwindowMode( gdi_display, gc, IncludeInferiors );
|
|
XSetGraphicsExposures( gdi_display, gc, False );
|
|
XPutImage( gdi_display, src_pixmap, gc, image, src->visrect.left, 0, 0, 0, width, height );
|
|
|
|
execute_rop( physdev, src_pixmap, gc, &dst->visrect, rop );
|
|
|
|
XFreePixmap( gdi_display, src_pixmap );
|
|
XFreeGC( gdi_display, gc );
|
|
}
|
|
|
|
if (restore_region) restore_clipping_region( physdev );
|
|
add_device_bounds( physdev, &dst->visrect );
|
|
image->data = NULL;
|
|
}
|
|
|
|
XDestroyImage( image );
|
|
if (dst_bits.free) dst_bits.free( &dst_bits );
|
|
return ret;
|
|
|
|
update_format:
|
|
info->bmiHeader.biPlanes = 1;
|
|
info->bmiHeader.biBitCount = format->bits_per_pixel;
|
|
if (info->bmiHeader.biHeight > 0) info->bmiHeader.biHeight = -info->bmiHeader.biHeight;
|
|
set_color_info( &vis, info, FALSE );
|
|
return ERROR_BAD_FORMAT;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* X11DRV_GetImage
|
|
*/
|
|
DWORD CDECL X11DRV_GetImage( PHYSDEV dev, BITMAPINFO *info,
|
|
struct gdi_image_bits *bits, struct bitblt_coords *src )
|
|
{
|
|
X11DRV_PDEVICE *physdev = get_x11drv_dev( dev );
|
|
DWORD ret = ERROR_SUCCESS;
|
|
XImage *image;
|
|
XVisualInfo vis = default_visual;
|
|
UINT align, x, y, width, height;
|
|
struct gdi_image_bits src_bits;
|
|
const XPixmapFormatValues *format;
|
|
const int *mapping = NULL;
|
|
|
|
vis.depth = physdev->depth;
|
|
if (physdev->color_shifts)
|
|
{
|
|
vis.red_mask = physdev->color_shifts->logicalRed.max << physdev->color_shifts->logicalRed.shift;
|
|
vis.green_mask = physdev->color_shifts->logicalGreen.max << physdev->color_shifts->logicalGreen.shift;
|
|
vis.blue_mask = physdev->color_shifts->logicalBlue.max << physdev->color_shifts->logicalBlue.shift;
|
|
}
|
|
format = pixmap_formats[vis.depth];
|
|
|
|
/* align start and width to 32-bit boundary */
|
|
switch (format->bits_per_pixel)
|
|
{
|
|
case 1: align = 32; break;
|
|
case 4: align = 8; mapping = X11DRV_PALETTE_XPixelToPalette; break;
|
|
case 8: align = 4; mapping = X11DRV_PALETTE_XPixelToPalette; break;
|
|
case 16: align = 2; break;
|
|
case 24: align = 4; break;
|
|
case 32: align = 1; break;
|
|
default:
|
|
FIXME( "depth %u bpp %u not supported yet\n", vis.depth, format->bits_per_pixel );
|
|
return ERROR_BAD_FORMAT;
|
|
}
|
|
|
|
info->bmiHeader.biSize = sizeof(info->bmiHeader);
|
|
info->bmiHeader.biPlanes = 1;
|
|
info->bmiHeader.biBitCount = format->bits_per_pixel;
|
|
info->bmiHeader.biXPelsPerMeter = 0;
|
|
info->bmiHeader.biYPelsPerMeter = 0;
|
|
info->bmiHeader.biClrImportant = 0;
|
|
set_color_info( &vis, info, FALSE );
|
|
|
|
if (!bits) return ERROR_SUCCESS; /* just querying the color information */
|
|
|
|
x = src->visrect.left & ~(align - 1);
|
|
y = src->visrect.top;
|
|
width = src->visrect.right - x;
|
|
height = src->visrect.bottom - src->visrect.top;
|
|
if (format->scanline_pad != 32) width = (width + (align - 1)) & ~(align - 1);
|
|
/* make the source rectangle relative to the returned bits */
|
|
src->x -= x;
|
|
src->y -= y;
|
|
OffsetRect( &src->visrect, -x, -y );
|
|
|
|
X11DRV_expect_error( gdi_display, XGetImage_handler, NULL );
|
|
image = XGetImage( gdi_display, physdev->drawable,
|
|
physdev->dc_rect.left + x, physdev->dc_rect.top + y,
|
|
width, height, AllPlanes, ZPixmap );
|
|
if (X11DRV_check_error())
|
|
{
|
|
/* use a temporary pixmap to avoid the BadMatch error */
|
|
Pixmap pixmap = XCreatePixmap( gdi_display, root_window, width, height, vis.depth );
|
|
GC gc = XCreateGC( gdi_display, pixmap, 0, NULL );
|
|
|
|
XSetGraphicsExposures( gdi_display, gc, False );
|
|
XCopyArea( gdi_display, physdev->drawable, pixmap, gc,
|
|
physdev->dc_rect.left + x, physdev->dc_rect.top + y, width, height, 0, 0 );
|
|
image = XGetImage( gdi_display, pixmap, 0, 0, width, height, AllPlanes, ZPixmap );
|
|
XFreePixmap( gdi_display, pixmap );
|
|
XFreeGC( gdi_display, gc );
|
|
}
|
|
|
|
if (!image) return ERROR_OUTOFMEMORY;
|
|
|
|
info->bmiHeader.biWidth = width;
|
|
info->bmiHeader.biHeight = -height;
|
|
info->bmiHeader.biSizeImage = height * image->bytes_per_line;
|
|
|
|
src_bits.ptr = image->data;
|
|
src_bits.is_copy = TRUE;
|
|
ret = copy_image_bits( info, is_r8g8b8(&vis), image, &src_bits, bits, src, mapping,
|
|
zeropad_masks[(width * image->bits_per_pixel) & 31] );
|
|
|
|
if (!ret && bits->ptr == image->data)
|
|
{
|
|
bits->free = free_ximage_bits;
|
|
image->data = NULL;
|
|
}
|
|
XDestroyImage( image );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* put_pixmap_image
|
|
*
|
|
* Simplified equivalent of X11DRV_PutImage that writes directly to a pixmap.
|
|
*/
|
|
static DWORD put_pixmap_image( Pixmap pixmap, const XVisualInfo *vis,
|
|
BITMAPINFO *info, const struct gdi_image_bits *bits )
|
|
{
|
|
DWORD ret;
|
|
XImage *image;
|
|
GC gc;
|
|
struct bitblt_coords coords;
|
|
struct gdi_image_bits dst_bits;
|
|
const XPixmapFormatValues *format = pixmap_formats[vis->depth];
|
|
const int *mapping = NULL;
|
|
|
|
if (!format) return ERROR_INVALID_PARAMETER;
|
|
if (info->bmiHeader.biPlanes != 1) goto update_format;
|
|
if (info->bmiHeader.biBitCount != format->bits_per_pixel) goto update_format;
|
|
/* FIXME: could try to handle 1-bpp using XCopyPlane */
|
|
if (!matching_color_info( vis, info )) goto update_format;
|
|
if (!bits) return ERROR_SUCCESS; /* just querying the format */
|
|
|
|
coords.x = 0;
|
|
coords.y = 0;
|
|
coords.width = info->bmiHeader.biWidth;
|
|
coords.height = abs( info->bmiHeader.biHeight );
|
|
SetRect( &coords.visrect, 0, 0, coords.width, coords.height );
|
|
|
|
image = XCreateImage( gdi_display, vis->visual, vis->depth, ZPixmap, 0, NULL,
|
|
coords.width, coords.height, 32, 0 );
|
|
if (!image) return ERROR_OUTOFMEMORY;
|
|
|
|
if (image->bits_per_pixel == 4 || image->bits_per_pixel == 8)
|
|
mapping = X11DRV_PALETTE_PaletteToXPixel;
|
|
|
|
if (!(ret = copy_image_bits( info, is_r8g8b8(vis), image, bits, &dst_bits, &coords, mapping, ~0u )))
|
|
{
|
|
image->data = dst_bits.ptr;
|
|
gc = XCreateGC( gdi_display, pixmap, 0, NULL );
|
|
XPutImage( gdi_display, pixmap, gc, image, 0, 0, 0, 0, coords.width, coords.height );
|
|
XFreeGC( gdi_display, gc );
|
|
image->data = NULL;
|
|
if (dst_bits.free) dst_bits.free( &dst_bits );
|
|
}
|
|
|
|
XDestroyImage( image );
|
|
return ret;
|
|
|
|
update_format:
|
|
info->bmiHeader.biPlanes = 1;
|
|
info->bmiHeader.biBitCount = format->bits_per_pixel;
|
|
if (info->bmiHeader.biHeight > 0) info->bmiHeader.biHeight = -info->bmiHeader.biHeight;
|
|
set_color_info( vis, info, FALSE );
|
|
return ERROR_BAD_FORMAT;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* create_pixmap_from_image
|
|
*/
|
|
Pixmap create_pixmap_from_image( HDC hdc, const XVisualInfo *vis, const BITMAPINFO *info,
|
|
const struct gdi_image_bits *bits, UINT coloruse )
|
|
{
|
|
static const RGBQUAD default_colortable[2] = { { 0x00, 0x00, 0x00 }, { 0xff, 0xff, 0xff } };
|
|
char dst_buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
|
|
char src_buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
|
|
BITMAPINFO *dst_info = (BITMAPINFO *)dst_buffer;
|
|
BITMAPINFO *src_info = (BITMAPINFO *)src_buffer;
|
|
struct gdi_image_bits dst_bits;
|
|
Pixmap pixmap;
|
|
DWORD err;
|
|
HBITMAP dib;
|
|
|
|
pixmap = XCreatePixmap( gdi_display, root_window,
|
|
info->bmiHeader.biWidth, abs(info->bmiHeader.biHeight), vis->depth );
|
|
if (!pixmap) return 0;
|
|
|
|
memcpy( src_info, info, get_dib_info_size( info, coloruse ));
|
|
memcpy( dst_info, info, get_dib_info_size( info, coloruse ));
|
|
|
|
if (coloruse == DIB_PAL_COLORS ||
|
|
(err = put_pixmap_image( pixmap, vis, dst_info, bits )) == ERROR_BAD_FORMAT)
|
|
{
|
|
if (dst_info->bmiHeader.biBitCount == 1) /* set a default color table for 1-bpp */
|
|
memcpy( dst_info->bmiColors, default_colortable, sizeof(default_colortable) );
|
|
dib = CreateDIBSection( hdc, dst_info, coloruse, &dst_bits.ptr, 0, 0 );
|
|
if (dib)
|
|
{
|
|
if (src_info->bmiHeader.biBitCount == 1 && !src_info->bmiHeader.biClrUsed)
|
|
memcpy( src_info->bmiColors, default_colortable, sizeof(default_colortable) );
|
|
SetDIBits( hdc, dib, 0, abs(info->bmiHeader.biHeight), bits->ptr, src_info, coloruse );
|
|
dst_bits.free = NULL;
|
|
dst_bits.is_copy = TRUE;
|
|
err = put_pixmap_image( pixmap, vis, dst_info, &dst_bits );
|
|
DeleteObject( dib );
|
|
}
|
|
else err = ERROR_OUTOFMEMORY;
|
|
}
|
|
|
|
if (!err) return pixmap;
|
|
|
|
XFreePixmap( gdi_display, pixmap );
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* get_pixmap_image
|
|
*
|
|
* Equivalent of X11DRV_GetImage that reads directly from a pixmap.
|
|
*/
|
|
DWORD get_pixmap_image( Pixmap pixmap, int width, int height, const XVisualInfo *vis,
|
|
BITMAPINFO *info, struct gdi_image_bits *bits )
|
|
{
|
|
DWORD ret = ERROR_SUCCESS;
|
|
XImage *image;
|
|
struct gdi_image_bits src_bits;
|
|
struct bitblt_coords coords;
|
|
const XPixmapFormatValues *format = pixmap_formats[vis->depth];
|
|
const int *mapping = NULL;
|
|
|
|
if (!format) return ERROR_INVALID_PARAMETER;
|
|
|
|
info->bmiHeader.biSize = sizeof(info->bmiHeader);
|
|
info->bmiHeader.biWidth = width;
|
|
info->bmiHeader.biHeight = -height;
|
|
info->bmiHeader.biPlanes = 1;
|
|
info->bmiHeader.biBitCount = format->bits_per_pixel;
|
|
info->bmiHeader.biXPelsPerMeter = 0;
|
|
info->bmiHeader.biYPelsPerMeter = 0;
|
|
info->bmiHeader.biClrImportant = 0;
|
|
set_color_info( vis, info, FALSE );
|
|
|
|
if (!bits) return ERROR_SUCCESS; /* just querying the color information */
|
|
|
|
coords.x = 0;
|
|
coords.y = 0;
|
|
coords.width = width;
|
|
coords.height = height;
|
|
SetRect( &coords.visrect, 0, 0, width, height );
|
|
|
|
image = XGetImage( gdi_display, pixmap, 0, 0, width, height, AllPlanes, ZPixmap );
|
|
if (!image) return ERROR_OUTOFMEMORY;
|
|
|
|
info->bmiHeader.biSizeImage = height * image->bytes_per_line;
|
|
|
|
src_bits.ptr = image->data;
|
|
src_bits.is_copy = TRUE;
|
|
ret = copy_image_bits( info, is_r8g8b8(vis), image, &src_bits, bits, &coords, mapping,
|
|
zeropad_masks[(width * image->bits_per_pixel) & 31] );
|
|
|
|
if (!ret && bits->ptr == image->data)
|
|
{
|
|
bits->free = free_ximage_bits;
|
|
image->data = NULL;
|
|
}
|
|
XDestroyImage( image );
|
|
return ret;
|
|
}
|
|
|
|
|
|
struct x11drv_window_surface
|
|
{
|
|
struct window_surface header;
|
|
Window window;
|
|
GC gc;
|
|
XImage *image;
|
|
RECT bounds;
|
|
BOOL byteswap;
|
|
BOOL is_argb;
|
|
DWORD alpha_bits;
|
|
COLORREF color_key;
|
|
HRGN region;
|
|
void *bits;
|
|
#ifdef HAVE_LIBXXSHM
|
|
XShmSegmentInfo shminfo;
|
|
#endif
|
|
CRITICAL_SECTION crit;
|
|
BITMAPINFO info; /* variable size, must be last */
|
|
};
|
|
|
|
static struct x11drv_window_surface *get_x11_surface( struct window_surface *surface )
|
|
{
|
|
return (struct x11drv_window_surface *)surface;
|
|
}
|
|
|
|
static inline UINT get_color_component( UINT color, UINT mask )
|
|
{
|
|
int shift;
|
|
for (shift = 0; !(mask & 1); shift++) mask >>= 1;
|
|
return (color * mask / 255) << shift;
|
|
}
|
|
|
|
#ifdef HAVE_LIBXSHAPE
|
|
static inline void flush_rgn_data( HRGN rgn, RGNDATA *data )
|
|
{
|
|
HRGN tmp = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
|
|
CombineRgn( rgn, rgn, tmp, RGN_OR );
|
|
DeleteObject( tmp );
|
|
data->rdh.nCount = 0;
|
|
}
|
|
|
|
static inline void add_row( HRGN rgn, RGNDATA *data, int x, int y, int len )
|
|
{
|
|
RECT *rect = (RECT *)data->Buffer + data->rdh.nCount;
|
|
|
|
if (len <= 0) return;
|
|
rect->left = x;
|
|
rect->top = y;
|
|
rect->right = x + len;
|
|
rect->bottom = y + 1;
|
|
data->rdh.nCount++;
|
|
if (data->rdh.nCount * sizeof(RECT) > data->rdh.nRgnSize - sizeof(RECT))
|
|
flush_rgn_data( rgn, data );
|
|
}
|
|
#endif
|
|
|
|
/***********************************************************************
|
|
* update_surface_region
|
|
*/
|
|
static void update_surface_region( struct x11drv_window_surface *surface )
|
|
{
|
|
#ifdef HAVE_LIBXSHAPE
|
|
char buffer[4096];
|
|
RGNDATA *data = (RGNDATA *)buffer;
|
|
BITMAPINFO *info = &surface->info;
|
|
UINT *masks = (UINT *)info->bmiColors;
|
|
int x, y, start, width;
|
|
HRGN rgn;
|
|
|
|
if (!shape_layered_windows) return;
|
|
|
|
if (!surface->is_argb && surface->color_key == CLR_INVALID)
|
|
{
|
|
XShapeCombineMask( gdi_display, surface->window, ShapeBounding, 0, 0, None, ShapeSet );
|
|
return;
|
|
}
|
|
|
|
data->rdh.dwSize = sizeof(data->rdh);
|
|
data->rdh.iType = RDH_RECTANGLES;
|
|
data->rdh.nCount = 0;
|
|
data->rdh.nRgnSize = sizeof(buffer) - sizeof(data->rdh);
|
|
|
|
rgn = CreateRectRgn( 0, 0, 0, 0 );
|
|
width = surface->header.rect.right - surface->header.rect.left;
|
|
|
|
switch (info->bmiHeader.biBitCount)
|
|
{
|
|
case 16:
|
|
{
|
|
WORD *bits = surface->bits;
|
|
int stride = (width + 1) & ~1;
|
|
UINT mask = masks[0] | masks[1] | masks[2];
|
|
|
|
for (y = surface->header.rect.top; y < surface->header.rect.bottom; y++, bits += stride)
|
|
{
|
|
x = 0;
|
|
while (x < width)
|
|
{
|
|
while (x < width && (bits[x] & mask) == surface->color_key) x++;
|
|
start = x;
|
|
while (x < width && (bits[x] & mask) != surface->color_key) x++;
|
|
add_row( rgn, data, surface->header.rect.left + start, y, x - start );
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 24:
|
|
{
|
|
BYTE *bits = surface->bits;
|
|
int stride = (width * 3 + 3) & ~3;
|
|
|
|
for (y = surface->header.rect.top; y < surface->header.rect.bottom; y++, bits += stride)
|
|
{
|
|
x = 0;
|
|
while (x < width)
|
|
{
|
|
while (x < width &&
|
|
(bits[x * 3] == GetBValue(surface->color_key)) &&
|
|
(bits[x * 3 + 1] == GetGValue(surface->color_key)) &&
|
|
(bits[x * 3 + 2] == GetRValue(surface->color_key)))
|
|
x++;
|
|
start = x;
|
|
while (x < width &&
|
|
((bits[x * 3] != GetBValue(surface->color_key)) ||
|
|
(bits[x * 3 + 1] != GetGValue(surface->color_key)) ||
|
|
(bits[x * 3 + 2] != GetRValue(surface->color_key))))
|
|
x++;
|
|
add_row( rgn, data, surface->header.rect.left + start, y, x - start );
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 32:
|
|
{
|
|
DWORD *bits = surface->bits;
|
|
|
|
if (info->bmiHeader.biCompression == BI_RGB)
|
|
{
|
|
for (y = surface->header.rect.top; y < surface->header.rect.bottom; y++, bits += width)
|
|
{
|
|
x = 0;
|
|
while (x < width)
|
|
{
|
|
while (x < width &&
|
|
((bits[x] & 0xffffff) == surface->color_key ||
|
|
(surface->is_argb && !(bits[x] & 0xff000000)))) x++;
|
|
start = x;
|
|
while (x < width &&
|
|
!((bits[x] & 0xffffff) == surface->color_key ||
|
|
(surface->is_argb && !(bits[x] & 0xff000000)))) x++;
|
|
add_row( rgn, data, surface->header.rect.left + start, y, x - start );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
UINT mask = masks[0] | masks[1] | masks[2];
|
|
for (y = surface->header.rect.top; y < surface->header.rect.bottom; y++, bits += width)
|
|
{
|
|
x = 0;
|
|
while (x < width)
|
|
{
|
|
while (x < width && (bits[x] & mask) == surface->color_key) x++;
|
|
start = x;
|
|
while (x < width && (bits[x] & mask) != surface->color_key) x++;
|
|
add_row( rgn, data, surface->header.rect.left + start, y, x - start );
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
assert(0);
|
|
}
|
|
|
|
if (data->rdh.nCount) flush_rgn_data( rgn, data );
|
|
|
|
if ((data = X11DRV_GetRegionData( rgn, 0 )))
|
|
{
|
|
XShapeCombineRectangles( gdi_display, surface->window, ShapeBounding, 0, 0,
|
|
(XRectangle *)data->Buffer, data->rdh.nCount, ShapeSet, YXBanded );
|
|
HeapFree( GetProcessHeap(), 0, data );
|
|
}
|
|
|
|
DeleteObject( rgn );
|
|
#endif
|
|
}
|
|
|
|
/***********************************************************************
|
|
* set_color_key
|
|
*/
|
|
static void set_color_key( struct x11drv_window_surface *surface, COLORREF key )
|
|
{
|
|
UINT *masks = (UINT *)surface->info.bmiColors;
|
|
|
|
if (key == CLR_INVALID)
|
|
surface->color_key = CLR_INVALID;
|
|
else if (surface->info.bmiHeader.biBitCount <= 8)
|
|
surface->color_key = CLR_INVALID;
|
|
else if (key & (1 << 24)) /* PALETTEINDEX */
|
|
surface->color_key = 0;
|
|
else if (key >> 16 == 0x10ff) /* DIBINDEX */
|
|
surface->color_key = 0;
|
|
else if (surface->info.bmiHeader.biBitCount == 24)
|
|
surface->color_key = key;
|
|
else if (surface->info.bmiHeader.biCompression == BI_RGB)
|
|
surface->color_key = (GetRValue(key) << 16) | (GetGValue(key) << 8) | GetBValue(key);
|
|
else
|
|
surface->color_key = get_color_component( GetRValue(key), masks[0] ) |
|
|
get_color_component( GetGValue(key), masks[1] ) |
|
|
get_color_component( GetBValue(key), masks[2] );
|
|
}
|
|
|
|
#ifdef HAVE_LIBXXSHM
|
|
static int xshm_error_handler( Display *display, XErrorEvent *event, void *arg )
|
|
{
|
|
return 1; /* FIXME: should check event contents */
|
|
}
|
|
|
|
static XImage *create_shm_image( const XVisualInfo *vis, int width, int height, XShmSegmentInfo *shminfo )
|
|
{
|
|
XImage *image;
|
|
|
|
shminfo->shmid = -1;
|
|
image = XShmCreateImage( gdi_display, vis->visual, vis->depth, ZPixmap, NULL, shminfo, width, height );
|
|
if (!image) return NULL;
|
|
if (image->bytes_per_line & 3) goto failed; /* we need 32-bit alignment */
|
|
|
|
shminfo->shmid = shmget( IPC_PRIVATE, image->bytes_per_line * height, IPC_CREAT | 0700 );
|
|
if (shminfo->shmid == -1) goto failed;
|
|
|
|
shminfo->shmaddr = shmat( shminfo->shmid, 0, 0 );
|
|
if (shminfo->shmaddr != (char *)-1)
|
|
{
|
|
BOOL ok;
|
|
|
|
shminfo->readOnly = True;
|
|
X11DRV_expect_error( gdi_display, xshm_error_handler, NULL );
|
|
ok = (XShmAttach( gdi_display, shminfo ) != 0);
|
|
XSync( gdi_display, False );
|
|
if (!X11DRV_check_error() && ok)
|
|
{
|
|
image->data = shminfo->shmaddr;
|
|
shmctl( shminfo->shmid, IPC_RMID, 0 );
|
|
return image;
|
|
}
|
|
shmdt( shminfo->shmaddr );
|
|
}
|
|
shmctl( shminfo->shmid, IPC_RMID, 0 );
|
|
shminfo->shmid = -1;
|
|
|
|
failed:
|
|
XDestroyImage( image );
|
|
return NULL;
|
|
}
|
|
#endif /* HAVE_LIBXXSHM */
|
|
|
|
/***********************************************************************
|
|
* x11drv_surface_lock
|
|
*/
|
|
static void CDECL x11drv_surface_lock( struct window_surface *window_surface )
|
|
{
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
|
|
EnterCriticalSection( &surface->crit );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* x11drv_surface_unlock
|
|
*/
|
|
static void CDECL x11drv_surface_unlock( struct window_surface *window_surface )
|
|
{
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
|
|
LeaveCriticalSection( &surface->crit );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* x11drv_surface_get_bitmap_info
|
|
*/
|
|
static void *CDECL x11drv_surface_get_bitmap_info( struct window_surface *window_surface, BITMAPINFO *info )
|
|
{
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
|
|
memcpy( info, &surface->info, get_dib_info_size( &surface->info, DIB_RGB_COLORS ));
|
|
return surface->bits;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* x11drv_surface_get_bounds
|
|
*/
|
|
static RECT *CDECL x11drv_surface_get_bounds( struct window_surface *window_surface )
|
|
{
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
|
|
return &surface->bounds;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* x11drv_surface_set_region
|
|
*/
|
|
static void CDECL x11drv_surface_set_region( struct window_surface *window_surface, HRGN region )
|
|
{
|
|
RGNDATA *data;
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
|
|
TRACE( "updating surface %p with %p\n", surface, region );
|
|
|
|
window_surface->funcs->lock( window_surface );
|
|
if (!region)
|
|
{
|
|
if (surface->region) DeleteObject( surface->region );
|
|
surface->region = 0;
|
|
XSetClipMask( gdi_display, surface->gc, None );
|
|
}
|
|
else
|
|
{
|
|
if (!surface->region) surface->region = CreateRectRgn( 0, 0, 0, 0 );
|
|
CombineRgn( surface->region, region, 0, RGN_COPY );
|
|
if ((data = X11DRV_GetRegionData( surface->region, 0 )))
|
|
{
|
|
XSetClipRectangles( gdi_display, surface->gc, 0, 0,
|
|
(XRectangle *)data->Buffer, data->rdh.nCount, YXBanded );
|
|
HeapFree( GetProcessHeap(), 0, data );
|
|
}
|
|
}
|
|
window_surface->funcs->unlock( window_surface );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* x11drv_surface_flush
|
|
*/
|
|
static void CDECL x11drv_surface_flush( struct window_surface *window_surface )
|
|
{
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
unsigned char *src = surface->bits;
|
|
unsigned char *dst = (unsigned char *)surface->image->data;
|
|
struct bitblt_coords coords;
|
|
|
|
window_surface->funcs->lock( window_surface );
|
|
coords.x = 0;
|
|
coords.y = 0;
|
|
coords.width = surface->header.rect.right - surface->header.rect.left;
|
|
coords.height = surface->header.rect.bottom - surface->header.rect.top;
|
|
SetRect( &coords.visrect, 0, 0, coords.width, coords.height );
|
|
if (IntersectRect( &coords.visrect, &coords.visrect, &surface->bounds ))
|
|
{
|
|
TRACE( "flushing %p %dx%d bounds %s bits %p\n",
|
|
surface, coords.width, coords.height,
|
|
wine_dbgstr_rect( &surface->bounds ), surface->bits );
|
|
|
|
if (surface->is_argb || surface->color_key != CLR_INVALID) update_surface_region( surface );
|
|
|
|
if (src != dst)
|
|
{
|
|
int map[256], *mapping = get_window_surface_mapping( surface->image->bits_per_pixel, map );
|
|
int width_bytes = surface->image->bytes_per_line;
|
|
|
|
src += coords.visrect.top * width_bytes;
|
|
dst += coords.visrect.top * width_bytes;
|
|
copy_image_byteswap( &surface->info, src, dst, width_bytes, width_bytes,
|
|
coords.visrect.bottom - coords.visrect.top,
|
|
surface->byteswap, mapping, ~0u, surface->alpha_bits );
|
|
}
|
|
else if (surface->alpha_bits)
|
|
{
|
|
int x, y, stride = surface->image->bytes_per_line / sizeof(ULONG);
|
|
ULONG *ptr = (ULONG *)dst + coords.visrect.top * stride;
|
|
|
|
for (y = coords.visrect.top; y < coords.visrect.bottom; y++, ptr += stride)
|
|
for (x = coords.visrect.left; x < coords.visrect.right; x++)
|
|
ptr[x] |= surface->alpha_bits;
|
|
}
|
|
|
|
#ifdef HAVE_LIBXXSHM
|
|
if (surface->shminfo.shmid != -1)
|
|
XShmPutImage( gdi_display, surface->window, surface->gc, surface->image,
|
|
coords.visrect.left, coords.visrect.top,
|
|
surface->header.rect.left + coords.visrect.left,
|
|
surface->header.rect.top + coords.visrect.top,
|
|
coords.visrect.right - coords.visrect.left,
|
|
coords.visrect.bottom - coords.visrect.top, False );
|
|
else
|
|
#endif
|
|
XPutImage( gdi_display, surface->window, surface->gc, surface->image,
|
|
coords.visrect.left, coords.visrect.top,
|
|
surface->header.rect.left + coords.visrect.left,
|
|
surface->header.rect.top + coords.visrect.top,
|
|
coords.visrect.right - coords.visrect.left,
|
|
coords.visrect.bottom - coords.visrect.top );
|
|
XFlush( gdi_display );
|
|
}
|
|
reset_bounds( &surface->bounds );
|
|
window_surface->funcs->unlock( window_surface );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* x11drv_surface_destroy
|
|
*/
|
|
static void CDECL x11drv_surface_destroy( struct window_surface *window_surface )
|
|
{
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
|
|
TRACE( "freeing %p bits %p\n", surface, surface->bits );
|
|
if (surface->gc) XFreeGC( gdi_display, surface->gc );
|
|
if (surface->image)
|
|
{
|
|
if (surface->image->data != surface->bits) HeapFree( GetProcessHeap(), 0, surface->bits );
|
|
#ifdef HAVE_LIBXXSHM
|
|
if (surface->shminfo.shmid != -1)
|
|
{
|
|
XShmDetach( gdi_display, &surface->shminfo );
|
|
shmdt( surface->shminfo.shmaddr );
|
|
}
|
|
else
|
|
#endif
|
|
HeapFree( GetProcessHeap(), 0, surface->image->data );
|
|
surface->image->data = NULL;
|
|
XDestroyImage( surface->image );
|
|
}
|
|
surface->crit.DebugInfo->Spare[0] = 0;
|
|
DeleteCriticalSection( &surface->crit );
|
|
if (surface->region) DeleteObject( surface->region );
|
|
HeapFree( GetProcessHeap(), 0, surface );
|
|
}
|
|
|
|
static const struct window_surface_funcs x11drv_surface_funcs =
|
|
{
|
|
x11drv_surface_lock,
|
|
x11drv_surface_unlock,
|
|
x11drv_surface_get_bitmap_info,
|
|
x11drv_surface_get_bounds,
|
|
x11drv_surface_set_region,
|
|
x11drv_surface_flush,
|
|
x11drv_surface_destroy
|
|
};
|
|
|
|
/***********************************************************************
|
|
* create_surface
|
|
*/
|
|
struct window_surface *create_surface( Window window, const XVisualInfo *vis, const RECT *rect,
|
|
COLORREF color_key, BOOL use_alpha )
|
|
{
|
|
const XPixmapFormatValues *format = pixmap_formats[vis->depth];
|
|
struct x11drv_window_surface *surface;
|
|
int width = rect->right - rect->left, height = rect->bottom - rect->top;
|
|
int colors = format->bits_per_pixel <= 8 ? 1 << format->bits_per_pixel : 3;
|
|
|
|
surface = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
|
|
FIELD_OFFSET( struct x11drv_window_surface, info.bmiColors[colors] ));
|
|
if (!surface) return NULL;
|
|
surface->info.bmiHeader.biSize = sizeof(surface->info.bmiHeader);
|
|
surface->info.bmiHeader.biWidth = width;
|
|
surface->info.bmiHeader.biHeight = -height; /* top-down */
|
|
surface->info.bmiHeader.biPlanes = 1;
|
|
surface->info.bmiHeader.biBitCount = format->bits_per_pixel;
|
|
surface->info.bmiHeader.biSizeImage = get_dib_image_size( &surface->info );
|
|
if (format->bits_per_pixel > 8) set_color_info( vis, &surface->info, use_alpha );
|
|
|
|
InitializeCriticalSection( &surface->crit );
|
|
surface->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": surface");
|
|
|
|
surface->header.funcs = &x11drv_surface_funcs;
|
|
surface->header.rect = *rect;
|
|
surface->header.ref = 1;
|
|
surface->window = window;
|
|
surface->is_argb = (use_alpha && vis->depth == 32 && surface->info.bmiHeader.biCompression == BI_RGB);
|
|
set_color_key( surface, color_key );
|
|
reset_bounds( &surface->bounds );
|
|
|
|
#ifdef HAVE_LIBXXSHM
|
|
surface->image = create_shm_image( vis, width, height, &surface->shminfo );
|
|
if (!surface->image)
|
|
#endif
|
|
{
|
|
surface->image = XCreateImage( gdi_display, vis->visual, vis->depth, ZPixmap, 0, NULL,
|
|
width, height, 32, 0 );
|
|
if (!surface->image) goto failed;
|
|
surface->image->data = HeapAlloc( GetProcessHeap(), 0, surface->info.bmiHeader.biSizeImage );
|
|
if (!surface->image->data) goto failed;
|
|
}
|
|
|
|
surface->gc = XCreateGC( gdi_display, window, 0, NULL );
|
|
XSetSubwindowMode( gdi_display, surface->gc, IncludeInferiors );
|
|
surface->byteswap = image_needs_byteswap( surface->image, is_r8g8b8(vis), format->bits_per_pixel );
|
|
|
|
if (vis->depth == 32 && !surface->is_argb)
|
|
surface->alpha_bits = ~(vis->red_mask | vis->green_mask | vis->blue_mask);
|
|
|
|
if (surface->byteswap || format->bits_per_pixel == 4 || format->bits_per_pixel == 8)
|
|
{
|
|
/* allocate separate surface bits if byte swapping or palette mapping is required */
|
|
if (!(surface->bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
|
|
surface->info.bmiHeader.biSizeImage )))
|
|
goto failed;
|
|
}
|
|
else surface->bits = surface->image->data;
|
|
|
|
TRACE( "created %p for %lx %s bits %p-%p image %p\n", surface, window, wine_dbgstr_rect(rect),
|
|
surface->bits, (char *)surface->bits + surface->info.bmiHeader.biSizeImage,
|
|
surface->image->data );
|
|
|
|
return &surface->header;
|
|
|
|
failed:
|
|
x11drv_surface_destroy( &surface->header );
|
|
return NULL;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* set_surface_color_key
|
|
*/
|
|
void set_surface_color_key( struct window_surface *window_surface, COLORREF color_key )
|
|
{
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
COLORREF prev;
|
|
|
|
if (window_surface->funcs != &x11drv_surface_funcs) return; /* we may get the null surface */
|
|
|
|
window_surface->funcs->lock( window_surface );
|
|
prev = surface->color_key;
|
|
set_color_key( surface, color_key );
|
|
if (surface->color_key != prev) update_surface_region( surface );
|
|
window_surface->funcs->unlock( window_surface );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* expose_surface
|
|
*/
|
|
HRGN expose_surface( struct window_surface *window_surface, const RECT *rect )
|
|
{
|
|
struct x11drv_window_surface *surface = get_x11_surface( window_surface );
|
|
HRGN region = 0;
|
|
RECT rc = *rect;
|
|
|
|
if (window_surface->funcs != &x11drv_surface_funcs) return 0; /* we may get the null surface */
|
|
|
|
window_surface->funcs->lock( window_surface );
|
|
OffsetRect( &rc, -window_surface->rect.left, -window_surface->rect.top );
|
|
add_bounds_rect( &surface->bounds, &rc );
|
|
if (surface->region)
|
|
{
|
|
region = CreateRectRgnIndirect( rect );
|
|
if (CombineRgn( region, region, surface->region, RGN_DIFF ) <= NULLREGION)
|
|
{
|
|
DeleteObject( region );
|
|
region = 0;
|
|
}
|
|
}
|
|
window_surface->funcs->unlock( window_surface );
|
|
return region;
|
|
}
|