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push 38a8c0aff9170390b5a3ded41e7cf5b02f3a73d8
[wine/hacks.git] / dlls / winex11.drv / bitblt.c
blob50a5a2feff2be7e13096cad78f5354a6ca4ad2c5
1 /*
2 * GDI bit-blit operations
3 *
4 * Copyright 1993, 1994 Alexandre Julliard
5 * Copyright 2006 Damjan Jovanovic
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23
24 #include <assert.h>
25 #include <stdarg.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28
29 #include "windef.h"
30 #include "winbase.h"
31 #include "wingdi.h"
32 #include "winuser.h"
33 #include "x11drv.h"
34 #include "wine/debug.h"
35
36 WINE_DEFAULT_DEBUG_CHANNEL(bitblt);
37
38
39 #define DST 0 /* Destination drawable */
40 #define SRC 1 /* Source drawable */
41 #define TMP 2 /* Temporary drawable */
42 #define PAT 3 /* Pattern (brush) in destination DC */
43
44 #define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | (rop))
45 #define OP_ARGS(src,dst) (((src) << 2) | (dst))
46
47 #define OP_SRC(opcode) ((opcode) >> 6)
48 #define OP_DST(opcode) (((opcode) >> 4) & 3)
49 #define OP_SRCDST(opcode) ((opcode) >> 4)
50 #define OP_ROP(opcode) ((opcode) & 0x0f)
51
52 #define MAX_OP_LEN 6 /* Longest opcode + 1 for the terminating 0 */
53
54 #define SWAP_INT32(i1,i2) \
55 do { INT __t = *(i1); *(i1) = *(i2); *(i2) = __t; } while(0)
56
57 static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] =
58 {
59 { OP(PAT,DST,GXclear) }, /* 0x00 0 */
60 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */
61 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */
62 { OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */
63 { OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */
64 { OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */
65 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */
66 { OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */
67 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */
68 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */
69 { OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */
70 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */
71 { OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */
72 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */
73 { OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */
74 { OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */
75 { OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */
76 { OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */
77 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */
78 { OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */
79 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */
80 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */
81 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
82 OP(TMP,DST,GXand), OP(SRC,DST,GXxor),
83 OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */
84 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
85 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
86 OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/
87 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
88 OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */
89 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
90 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */
91 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
92 OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */
93 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXxor),
94 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */
95 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
96 OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */
97 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
98 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */
99 { OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */
100 { OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */
101 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */
102 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */
103 { OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */
104 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */
105 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
106 OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */
107 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand),
108 OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */
109 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
110 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */
111 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXequiv),
112 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */
113 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */
114 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
115 OP(TMP,DST,GXor), OP(SRC,DST,GXxor),
116 OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */
117 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */
118 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
119 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
120 OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/
121 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
122 OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */
123 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */
124 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
125 OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */
126 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */
127 { OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */
128 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */
129 { OP(SRC,DST,GXor), OP(PAT,DST,GXor),
130 OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */
131 { OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */
132 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
133 OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */
134 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor),
135 OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */
136 { OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */
137 { OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */
138 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
139 OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */
140 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */
141 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
142 OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */
143 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */
144 { OP(PAT,SRC,GXxor) }, /* 0x3c P^S */
145 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
146 OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */
147 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
148 OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */
149 { OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */
150 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */
151 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */
152 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
153 OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */
154 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
155 OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */
156 { OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */
157 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */
158 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
159 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */
160 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
161 OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */
162 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */
163 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
164 OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
165 OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */
166 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
167 OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */
168 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */
169 { OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */
170 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
171 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
172 OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/
173 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
174 OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */
175 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */
176 { OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */
177 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */
178 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
179 OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */
180 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
181 OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */
182 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */
183 { OP(PAT,DST,GXinvert) }, /* 0x55 ~D */
184 { OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */
185 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */
186 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
187 OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */
188 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */
189 { OP(PAT,DST,GXxor) }, /* 0x5a D^P */
190 { OP(DST,SRC,GXnor), OP(PAT,SRC,GXor),
191 OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */
192 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
193 OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */
194 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */
195 { OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor),
196 OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */
197 { OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */
198 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */
199 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
200 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
201 OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */
202 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
203 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */
204 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */
205 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
206 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */
207 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */
208 { OP(SRC,DST,GXxor) }, /* 0x66 S^D */
209 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
210 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */
211 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor),
212 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
213 OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/
214 { OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */
215 { OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */
216 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
217 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
218 OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */
219 { OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */
220 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
221 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
222 OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */
223 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
224 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */
225 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */
226 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */
227 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
228 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
229 OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/
230 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
231 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */
232 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */
233 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
234 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */
235 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */
236 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
237 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */
238 { OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */
239 { OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */
240 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
241 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
242 OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */
243 { OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand),
244 OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */
245 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */
246 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
247 OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */
248 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */
249 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
250 OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */
251 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */
252 { OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */
253 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
254 OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */
255 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */
256 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
257 OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */
258 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */
259 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand),
260 OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */
261 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
262 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
263 OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */
264 { OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */
265 { OP(SRC,DST,GXand) }, /* 0x88 S&D */
266 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
267 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */
268 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */
269 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
270 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */
271 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */
272 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
273 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */
274 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
275 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
276 OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/
277 { OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */
278 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */
279 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
280 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */
281 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
282 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
283 OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */
284 { OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */
285 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
286 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
287 OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */
288 { OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */
289 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */
290 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
291 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
292 OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */
293 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
294 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */
295 { OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */
296 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */
297 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
298 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */
299 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */
300 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
301 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */
302 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
303 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
304 OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */
305 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */
306 { OP(PAT,DST,GXand) }, /* 0xa0 D&P */
307 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor),
308 OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */
309 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */
310 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
311 OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */
312 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor),
313 OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */
314 { OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */
315 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */
316 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
317 OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */
318 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */
319 { OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */
320 { OP(PAT,DST,GXnoop) }, /* 0xaa D */
321 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */
322 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
323 OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */
324 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
325 OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */
326 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */
327 { OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */
328 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */
329 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
330 OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */
331 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
332 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
333 OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/
334 { OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */
335 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */
336 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
337 OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */
338 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
339 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
340 OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */
341 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */
342 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
343 OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */
344 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
345 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */
346 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */
347 { OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */
348 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
349 OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */
350 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
351 OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */
352 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */
353 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */
354 { OP(PAT,SRC,GXand) }, /* 0xc0 P&S */
355 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
356 OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */
357 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
358 OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */
359 { OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */
360 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */
361 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
362 OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */
363 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */
364 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
365 OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */
366 { OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */
367 { OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */
368 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXand),
369 OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */
370 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
371 OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */
372 { OP(SRC,DST,GXcopy) }, /* 0xcc S */
373 { OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */
374 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */
375 { OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */
376 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */
377 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
378 OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */
379 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */
380 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
381 OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */
382 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
383 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
384 OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/
385 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */
386 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
387 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
388 OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */
389 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */
390 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
391 OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */
392 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
393 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */
394 { OP(DST,SRC,GXnand), OP(PAT,SRC,GXand),
395 OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */
396 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
397 OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */
398 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */
399 { OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */
400 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */
401 { OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */
402 { OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */
403 { OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */
404 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
405 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */
406 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
407 OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */
408 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
409 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */
410 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
411 OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */
412 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
413 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */
414 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
415 OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */
416 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
417 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
418 OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/
419 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand),
420 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
421 OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/
422 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */
423 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */
424 { OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */
425 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */
426 { OP(SRC,DST,GXor) }, /* 0xee S|D */
427 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */
428 { OP(PAT,DST,GXcopy) }, /* 0xf0 P */
429 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */
430 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */
431 { OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */
432 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */
433 { OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */
434 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */
435 { OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */
436 { OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */
437 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */
438 { OP(PAT,DST,GXor) }, /* 0xfa D|P */
439 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */
440 { OP(PAT,SRC,GXor) }, /* 0xfc P|S */
441 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */
442 { OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */
443 { OP(PAT,DST,GXset) } /* 0xff 1 */
444 };
445
446
447 #ifdef BITBLT_TEST /* Opcodes test */
448
449 static int do_bitop( int s, int d, int rop )
450 {
451 int res;
452 switch(rop)
453 {
454 case GXclear: res = 0; break;
455 case GXand: res = s & d; break;
456 case GXandReverse: res = s & ~d; break;
457 case GXcopy: res = s; break;
458 case GXandInverted: res = ~s & d; break;
459 case GXnoop: res = d; break;
460 case GXxor: res = s ^ d; break;
461 case GXor: res = s | d; break;
462 case GXnor: res = ~(s | d); break;
463 case GXequiv: res = ~s ^ d; break;
464 case GXinvert: res = ~d; break;
465 case GXorReverse: res = s | ~d; break;
466 case GXcopyInverted: res = ~s; break;
467 case GXorInverted: res = ~s | d; break;
468 case GXnand: res = ~(s & d); break;
469 case GXset: res = 1; break;
470 }
471 return res & 1;
472 }
473
474 int main()
475 {
476 int rop, i, res, src, dst, pat, tmp, dstUsed;
477 const BYTE *opcode;
478
479 for (rop = 0; rop < 256; rop++)
480 {
481 res = dstUsed = 0;
482 for (i = 0; i < 8; i++)
483 {
484 pat = (i >> 2) & 1;
485 src = (i >> 1) & 1;
486 dst = i & 1;
487 for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++)
488 {
489 switch(*opcode >> 4)
490 {
491 case OP_ARGS(DST,TMP):
492 tmp = do_bitop( dst, tmp, *opcode & 0xf );
493 break;
494 case OP_ARGS(DST,SRC):
495 src = do_bitop( dst, src, *opcode & 0xf );
496 break;
497 case OP_ARGS(SRC,TMP):
498 tmp = do_bitop( src, tmp, *opcode & 0xf );
499 break;
500 case OP_ARGS(SRC,DST):
501 dst = do_bitop( src, dst, *opcode & 0xf );
502 dstUsed = 1;
503 break;
504 case OP_ARGS(PAT,TMP):
505 tmp = do_bitop( pat, tmp, *opcode & 0xf );
506 break;
507 case OP_ARGS(PAT,DST):
508 dst = do_bitop( pat, dst, *opcode & 0xf );
509 dstUsed = 1;
510 break;
511 case OP_ARGS(PAT,SRC):
512 src = do_bitop( pat, src, *opcode & 0xf );
513 break;
514 case OP_ARGS(TMP,DST):
515 dst = do_bitop( tmp, dst, *opcode & 0xf );
516 dstUsed = 1;
517 break;
518 case OP_ARGS(TMP,SRC):
519 src = do_bitop( tmp, src, *opcode & 0xf );
520 break;
521 default:
522 printf( "Invalid opcode %x\n", *opcode );
523 }
524 }
525 if (!dstUsed) dst = src;
526 if (dst) res |= 1 << i;
527 }
528 if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res );
529 }
530
531 return 0;
532 }
533
534 #endif /* BITBLT_TEST */
535
536
537 static void get_colors(X11DRV_PDEVICE *physDevDst, X11DRV_PDEVICE *physDevSrc,
538 int *fg, int *bg)
539 {
540 RGBQUAD rgb[2];
541
542 *fg = physDevDst->textPixel;
543 *bg = physDevDst->backgroundPixel;
544 if(physDevSrc->depth == 1) {
545 if(GetDIBColorTable(physDevSrc->hdc, 0, 2, rgb) == 2) {
546 DWORD logcolor;
547 logcolor = RGB(rgb[0].rgbRed, rgb[0].rgbGreen, rgb[0].rgbBlue);
548 *fg = X11DRV_PALETTE_ToPhysical( physDevDst, logcolor );
549 logcolor = RGB(rgb[1].rgbRed, rgb[1].rgbGreen,rgb[1].rgbBlue);
550 *bg = X11DRV_PALETTE_ToPhysical( physDevDst, logcolor );
551 }
552 }
553 }
554
555 /***********************************************************************
556 * BITBLT_StretchRow
557 *
558 * Stretch a row of pixels. Helper function for BITBLT_StretchImage.
559 */
560 static void BITBLT_StretchRow( int *rowSrc, int *rowDst,
561 INT startDst, INT widthDst,
562 INT xinc, INT xoff, WORD mode )
563 {
564 register INT xsrc = xinc * startDst + xoff;
565 rowDst += startDst;
566 switch(mode)
567 {
568 case STRETCH_ANDSCANS:
569 for(; widthDst > 0; widthDst--, xsrc += xinc)
570 *rowDst++ &= rowSrc[xsrc >> 16];
571 break;
572 case STRETCH_ORSCANS:
573 for(; widthDst > 0; widthDst--, xsrc += xinc)
574 *rowDst++ |= rowSrc[xsrc >> 16];
575 break;
576 case STRETCH_DELETESCANS:
577 for(; widthDst > 0; widthDst--, xsrc += xinc)
578 *rowDst++ = rowSrc[xsrc >> 16];
579 break;
580 }
581 }
582
583
584 /***********************************************************************
585 * BITBLT_ShrinkRow
586 *
587 * Shrink a row of pixels. Helper function for BITBLT_StretchImage.
588 */
589 static void BITBLT_ShrinkRow( int *rowSrc, int *rowDst,
590 INT startSrc, INT widthSrc,
591 INT xinc, INT xoff, WORD mode )
592 {
593 register INT xdst = xinc * startSrc + xoff;
594 rowSrc += startSrc;
595 switch(mode)
596 {
597 case STRETCH_ORSCANS:
598 for(; widthSrc > 0; widthSrc--, xdst += xinc)
599 rowDst[xdst >> 16] |= *rowSrc++;
600 break;
601 case STRETCH_ANDSCANS:
602 for(; widthSrc > 0; widthSrc--, xdst += xinc)
603 rowDst[xdst >> 16] &= *rowSrc++;
604 break;
605 case STRETCH_DELETESCANS:
606 for(; widthSrc > 0; widthSrc--, xdst += xinc)
607 rowDst[xdst >> 16] = *rowSrc++;
608 break;
609 }
610 }
611
612
613 /***********************************************************************
614 * BITBLT_GetRow
615 *
616 * Retrieve a row from an image. Helper function for BITBLT_StretchImage.
617 */
618 static void BITBLT_GetRow( XImage *image, int *pdata, INT row,
619 INT start, INT width, INT depthDst,
620 int fg, int bg, BOOL swap)
621 {
622 register INT i;
623
624 assert( (row >= 0) && (row < image->height) );
625 assert( (start >= 0) && (width <= image->width) );
626
627 pdata += swap ? start+width-1 : start;
628 if (image->depth == depthDst) /* color -> color */
629 {
630 if (X11DRV_PALETTE_XPixelToPalette && (depthDst != 1))
631 if (swap) for (i = 0; i < width; i++)
632 *pdata-- = X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, i, row )];
633 else for (i = 0; i < width; i++)
634 *pdata++ = X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, i, row )];
635 else
636 if (swap) for (i = 0; i < width; i++)
637 *pdata-- = XGetPixel( image, i, row );
638 else for (i = 0; i < width; i++)
639 *pdata++ = XGetPixel( image, i, row );
640 }
641 else
642 {
643 if (image->depth == 1) /* monochrome -> color */
644 {
645 if (X11DRV_PALETTE_XPixelToPalette)
646 {
647 fg = X11DRV_PALETTE_XPixelToPalette[fg];
648 bg = X11DRV_PALETTE_XPixelToPalette[bg];
649 }
650 if (swap) for (i = 0; i < width; i++)
651 *pdata-- = XGetPixel( image, i, row ) ? bg : fg;
652 else for (i = 0; i < width; i++)
653 *pdata++ = XGetPixel( image, i, row ) ? bg : fg;
654 }
655 else /* color -> monochrome */
656 {
657 if (swap) for (i = 0; i < width; i++)
658 *pdata-- = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
659 else for (i = 0; i < width; i++)
660 *pdata++ = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
661 }
662 }
663 }
664
665
666 /***********************************************************************
667 * BITBLT_StretchImage
668 *
669 * Stretch an X image.
670 * FIXME: does not work for full 32-bit coordinates.
671 */
672 static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage,
673 INT widthSrc, INT heightSrc,
674 INT widthDst, INT heightDst,
675 RECT *visRectSrc, RECT *visRectDst,
676 int foreground, int background, WORD mode )
677 {
678 int *rowSrc, *rowDst, *pixel;
679 char *pdata;
680 INT xinc, xoff, yinc, ysrc, ydst;
681 register INT x, y;
682 BOOL hstretch, vstretch, hswap, vswap;
683
684 hswap = widthSrc * widthDst < 0;
685 vswap = heightSrc * heightDst < 0;
686 widthSrc = abs(widthSrc);
687 heightSrc = abs(heightSrc);
688 widthDst = abs(widthDst);
689 heightDst = abs(heightDst);
690
691 if (!(rowSrc = HeapAlloc( GetProcessHeap(), 0,
692 (widthSrc+widthDst)*sizeof(int) ))) return;
693 rowDst = rowSrc + widthSrc;
694
695 /* When stretching, all modes are the same, and DELETESCANS is faster */
696 if ((widthSrc < widthDst) && (heightSrc < heightDst))
697 mode = STRETCH_DELETESCANS;
698
699 if (mode == STRETCH_HALFTONE) /* FIXME */
700 mode = STRETCH_DELETESCANS;
701
702 if (mode != STRETCH_DELETESCANS)
703 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
704 widthDst*sizeof(int) );
705
706 hstretch = (widthSrc < widthDst);
707 vstretch = (heightSrc < heightDst);
708
709 if (hstretch)
710 {
711 xinc = (widthSrc << 16) / widthDst;
712 xoff = ((widthSrc << 16) - (xinc * widthDst)) / 2;
713 }
714 else
715 {
716 xinc = ((int)widthDst << 16) / widthSrc;
717 xoff = ((widthDst << 16) - (xinc * widthSrc)) / 2;
718 }
719
720 wine_tsx11_lock();
721 if (vstretch)
722 {
723 yinc = (heightSrc << 16) / heightDst;
724 ydst = visRectDst->top;
725 if (vswap)
726 {
727 ysrc = yinc * (heightDst - ydst - 1);
728 yinc = -yinc;
729 }
730 else
731 ysrc = yinc * ydst;
732
733 for ( ; (ydst < visRectDst->bottom); ysrc += yinc, ydst++)
734 {
735 if (((ysrc >> 16) < visRectSrc->top) ||
736 ((ysrc >> 16) >= visRectSrc->bottom)) continue;
737
738 /* Retrieve a source row */
739 BITBLT_GetRow( srcImage, rowSrc, (ysrc >> 16) - visRectSrc->top,
740 hswap ? widthSrc - visRectSrc->right
741 : visRectSrc->left,
742 visRectSrc->right - visRectSrc->left,
743 dstImage->depth, foreground, background, hswap );
744
745 /* Stretch or shrink it */
746 if (hstretch)
747 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left,
748 visRectDst->right - visRectDst->left,
749 xinc, xoff, mode );
750 else BITBLT_ShrinkRow( rowSrc, rowDst,
751 hswap ? widthSrc - visRectSrc->right
752 : visRectSrc->left,
753 visRectSrc->right - visRectSrc->left,
754 xinc, xoff, mode );
755
756 /* Store the destination row */
757 pixel = rowDst + visRectDst->right - 1;
758 y = ydst - visRectDst->top;
759 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
760 XPutPixel( dstImage, x, y, *pixel-- );
761 if (mode != STRETCH_DELETESCANS)
762 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
763 widthDst*sizeof(int) );
764
765 /* Make copies of the destination row */
766
767 pdata = dstImage->data + dstImage->bytes_per_line * y;
768 while (((ysrc + yinc) >> 16 == ysrc >> 16) &&
769 (ydst < visRectDst->bottom-1))
770 {
771 memcpy( pdata + dstImage->bytes_per_line, pdata,
772 dstImage->bytes_per_line );
773 pdata += dstImage->bytes_per_line;
774 ysrc += yinc;
775 ydst++;
776 }
777 }
778 }
779 else /* Shrinking */
780 {
781 yinc = (heightDst << 16) / heightSrc;
782 ysrc = visRectSrc->top;
783 ydst = ((heightDst << 16) - (yinc * heightSrc)) / 2;
784 if (vswap)
785 {
786 ydst += yinc * (heightSrc - ysrc - 1);
787 yinc = -yinc;
788 }
789 else
790 ydst += yinc * ysrc;
791
792 for( ; (ysrc < visRectSrc->bottom); ydst += yinc, ysrc++)
793 {
794 if (((ydst >> 16) < visRectDst->top) ||
795 ((ydst >> 16) >= visRectDst->bottom)) continue;
796
797 /* Retrieve a source row */
798 BITBLT_GetRow( srcImage, rowSrc, ysrc - visRectSrc->top,
799 hswap ? widthSrc - visRectSrc->right
800 : visRectSrc->left,
801 visRectSrc->right - visRectSrc->left,
802 dstImage->depth, foreground, background, hswap );
803
804 /* Stretch or shrink it */
805 if (hstretch)
806 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left,
807 visRectDst->right - visRectDst->left,
808 xinc, xoff, mode );
809 else BITBLT_ShrinkRow( rowSrc, rowDst,
810 hswap ? widthSrc - visRectSrc->right
811 : visRectSrc->left,
812 visRectSrc->right - visRectSrc->left,
813 xinc, xoff, mode );
814
815 /* Merge several source rows into the destination */
816 if (mode == STRETCH_DELETESCANS)
817 {
818 /* Simply skip the overlapping rows */
819 while (((ydst + yinc) >> 16 == ydst >> 16) &&
820 (ysrc < visRectSrc->bottom-1))
821 {
822 ydst += yinc;
823 ysrc++;
824 }
825 }
826 else if (((ydst + yinc) >> 16 == ydst >> 16) &&
827 (ysrc < visRectSrc->bottom-1))
828 continue; /* Restart loop for next overlapping row */
829
830 /* Store the destination row */
831 pixel = rowDst + visRectDst->right - 1;
832 y = (ydst >> 16) - visRectDst->top;
833 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
834 XPutPixel( dstImage, x, y, *pixel-- );
835 if (mode != STRETCH_DELETESCANS)
836 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
837 widthDst*sizeof(int) );
838 }
839 }
840 wine_tsx11_unlock();
841 HeapFree( GetProcessHeap(), 0, rowSrc );
842 }
843
844
845 /***********************************************************************
846 * BITBLT_GetSrcAreaStretch
847 *
848 * Retrieve an area from the source DC, stretching and mapping all the
849 * pixels to Windows colors.
850 */
851 static int BITBLT_GetSrcAreaStretch( X11DRV_PDEVICE *physDevSrc, X11DRV_PDEVICE *physDevDst,
852 Pixmap pixmap, GC gc,
853 INT xSrc, INT ySrc,
854 INT widthSrc, INT heightSrc,
855 INT xDst, INT yDst,
856 INT widthDst, INT heightDst,
857 RECT *visRectSrc, RECT *visRectDst )
858 {
859 XImage *imageSrc, *imageDst;
860 RECT rectSrc = *visRectSrc;
861 RECT rectDst = *visRectDst;
862 int fg, bg;
863
864 if (widthSrc < 0) xSrc += widthSrc;
865 if (widthDst < 0) xDst += widthDst;
866 if (heightSrc < 0) ySrc += heightSrc;
867 if (heightDst < 0) yDst += heightDst;
868 rectSrc.left -= xSrc;
869 rectSrc.right -= xSrc;
870 rectSrc.top -= ySrc;
871 rectSrc.bottom -= ySrc;
872 rectDst.left -= xDst;
873 rectDst.right -= xDst;
874 rectDst.top -= yDst;
875 rectDst.bottom -= yDst;
876
877 get_colors(physDevDst, physDevSrc, &fg, &bg);
878 wine_tsx11_lock();
879 /* FIXME: avoid BadMatch errors */
880 imageSrc = XGetImage( gdi_display, physDevSrc->drawable,
881 physDevSrc->dc_rect.left + visRectSrc->left,
882 physDevSrc->dc_rect.top + visRectSrc->top,
883 visRectSrc->right - visRectSrc->left,
884 visRectSrc->bottom - visRectSrc->top,
885 AllPlanes, ZPixmap );
886 wine_tsx11_unlock();
887
888 imageDst = X11DRV_DIB_CreateXImage( rectDst.right - rectDst.left,
889 rectDst.bottom - rectDst.top, physDevDst->depth );
890 BITBLT_StretchImage( imageSrc, imageDst, widthSrc, heightSrc,
891 widthDst, heightDst, &rectSrc, &rectDst,
892 fg, physDevDst->depth != 1 ?
893 bg : physDevSrc->backgroundPixel,
894 GetStretchBltMode(physDevDst->hdc) );
895 wine_tsx11_lock();
896 XPutImage( gdi_display, pixmap, gc, imageDst, 0, 0, 0, 0,
897 rectDst.right - rectDst.left, rectDst.bottom - rectDst.top );
898 XDestroyImage( imageSrc );
899 X11DRV_DIB_DestroyXImage( imageDst );
900 wine_tsx11_unlock();
901 return 0; /* no exposure events generated */
902 }
903
904
905 /***********************************************************************
906 * BITBLT_GetSrcArea
907 *
908 * Retrieve an area from the source DC, mapping all the
909 * pixels to Windows colors.
910 */
911 static int BITBLT_GetSrcArea( X11DRV_PDEVICE *physDevSrc, X11DRV_PDEVICE *physDevDst,
912 Pixmap pixmap, GC gc, RECT *visRectSrc )
913 {
914 XImage *imageSrc, *imageDst;
915 register INT x, y;
916 int exposures = 0;
917 INT width = visRectSrc->right - visRectSrc->left;
918 INT height = visRectSrc->bottom - visRectSrc->top;
919 int fg, bg;
920 BOOL memdc = (GetObjectType(physDevSrc->hdc) == OBJ_MEMDC);
921
922 if (physDevSrc->depth == physDevDst->depth)
923 {
924 wine_tsx11_lock();
925 if (!X11DRV_PALETTE_XPixelToPalette ||
926 (physDevDst->depth == 1)) /* monochrome -> monochrome */
927 {
928 if (physDevDst->depth == 1)
929 {
930 /* MSDN says if StretchBlt must convert a bitmap from monochrome
931 to color or vice versa, the foreground and background color of
932 the device context are used. In fact, it also applies to the
933 case when it is converted from mono to mono. */
934 XSetBackground( gdi_display, gc, physDevDst->textPixel );
935 XSetForeground( gdi_display, gc, physDevDst->backgroundPixel );
936 XCopyPlane( gdi_display, physDevSrc->drawable, pixmap, gc,
937 physDevSrc->dc_rect.left + visRectSrc->left,
938 physDevSrc->dc_rect.top + visRectSrc->top,
939 width, height, 0, 0, 1);
940 }
941 else
942 XCopyArea( gdi_display, physDevSrc->drawable, pixmap, gc,
943 physDevSrc->dc_rect.left + visRectSrc->left,
944 physDevSrc->dc_rect.top + visRectSrc->top,
945 width, height, 0, 0);
946 exposures++;
947 }
948 else /* color -> color */
949 {
950 if (memdc)
951 imageSrc = XGetImage( gdi_display, physDevSrc->drawable,
952 physDevSrc->dc_rect.left + visRectSrc->left,
953 physDevSrc->dc_rect.top + visRectSrc->top,
954 width, height, AllPlanes, ZPixmap );
955 else
956 {
957 /* Make sure we don't get a BadMatch error */
958 XCopyArea( gdi_display, physDevSrc->drawable, pixmap, gc,
959 physDevSrc->dc_rect.left + visRectSrc->left,
960 physDevSrc->dc_rect.top + visRectSrc->top,
961 width, height, 0, 0);
962 exposures++;
963 imageSrc = XGetImage( gdi_display, pixmap, 0, 0, width, height,
964 AllPlanes, ZPixmap );
965 }
966 for (y = 0; y < height; y++)
967 for (x = 0; x < width; x++)
968 XPutPixel(imageSrc, x, y,
969 X11DRV_PALETTE_XPixelToPalette[XGetPixel(imageSrc, x, y)]);
970 XPutImage( gdi_display, pixmap, gc, imageSrc,
971 0, 0, 0, 0, width, height );
972 XDestroyImage( imageSrc );
973 }
974 wine_tsx11_unlock();
975 }
976 else
977 {
978 if (physDevSrc->depth == 1) /* monochrome -> color */
979 {
980 get_colors(physDevDst, physDevSrc, &fg, &bg);
981
982 wine_tsx11_lock();
983 if (X11DRV_PALETTE_XPixelToPalette)
984 {
985 XSetBackground( gdi_display, gc,
986 X11DRV_PALETTE_XPixelToPalette[fg] );
987 XSetForeground( gdi_display, gc,
988 X11DRV_PALETTE_XPixelToPalette[bg]);
989 }
990 else
991 {
992 XSetBackground( gdi_display, gc, fg );
993 XSetForeground( gdi_display, gc, bg );
994 }
995 XCopyPlane( gdi_display, physDevSrc->drawable, pixmap, gc,
996 physDevSrc->dc_rect.left + visRectSrc->left,
997 physDevSrc->dc_rect.top + visRectSrc->top,
998 width, height, 0, 0, 1 );
999 exposures++;
1000 wine_tsx11_unlock();
1001 }
1002 else /* color -> monochrome */
1003 {
1004 wine_tsx11_lock();
1005 /* FIXME: avoid BadMatch error */
1006 imageSrc = XGetImage( gdi_display, physDevSrc->drawable,
1007 physDevSrc->dc_rect.left + visRectSrc->left,
1008 physDevSrc->dc_rect.top + visRectSrc->top,
1009 width, height, AllPlanes, ZPixmap );
1010 if (!imageSrc)
1011 {
1012 wine_tsx11_unlock();
1013 return exposures;
1014 }
1015 imageDst = X11DRV_DIB_CreateXImage( width, height, physDevDst->depth );
1016 if (!imageDst)
1017 {
1018 XDestroyImage(imageSrc);
1019 wine_tsx11_unlock();
1020 return exposures;
1021 }
1022 for (y = 0; y < height; y++)
1023 for (x = 0; x < width; x++)
1024 XPutPixel(imageDst, x, y, (XGetPixel(imageSrc,x,y) ==
1025 physDevSrc->backgroundPixel) );
1026 XPutImage( gdi_display, pixmap, gc, imageDst,
1027 0, 0, 0, 0, width, height );
1028 XDestroyImage( imageSrc );
1029 X11DRV_DIB_DestroyXImage( imageDst );
1030 wine_tsx11_unlock();
1031 }
1032 }
1033 return exposures;
1034 }
1035
1036
1037 /***********************************************************************
1038 * BITBLT_GetDstArea
1039 *
1040 * Retrieve an area from the destination DC, mapping all the
1041 * pixels to Windows colors.
1042 */
1043 static int BITBLT_GetDstArea(X11DRV_PDEVICE *physDev, Pixmap pixmap, GC gc, RECT *visRectDst)
1044 {
1045 int exposures = 0;
1046 INT width = visRectDst->right - visRectDst->left;
1047 INT height = visRectDst->bottom - visRectDst->top;
1048 BOOL memdc = (GetObjectType( physDev->hdc ) == OBJ_MEMDC);
1049
1050 wine_tsx11_lock();
1051
1052 if (!X11DRV_PALETTE_XPixelToPalette || (physDev->depth == 1) ||
1053 (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) )
1054 {
1055 XCopyArea( gdi_display, physDev->drawable, pixmap, gc,
1056 physDev->dc_rect.left + visRectDst->left, physDev->dc_rect.top + visRectDst->top,
1057 width, height, 0, 0 );
1058 exposures++;
1059 }
1060 else
1061 {
1062 register INT x, y;
1063 XImage *image;
1064
1065 if (memdc)
1066 image = XGetImage( gdi_display, physDev->drawable,
1067 physDev->dc_rect.left + visRectDst->left,
1068 physDev->dc_rect.top + visRectDst->top,
1069 width, height, AllPlanes, ZPixmap );
1070 else
1071 {
1072 /* Make sure we don't get a BadMatch error */
1073 XCopyArea( gdi_display, physDev->drawable, pixmap, gc,
1074 physDev->dc_rect.left + visRectDst->left,
1075 physDev->dc_rect.top + visRectDst->top,
1076 width, height, 0, 0);
1077 exposures++;
1078 image = XGetImage( gdi_display, pixmap, 0, 0, width, height,
1079 AllPlanes, ZPixmap );
1080 }
1081 if (image)
1082 {
1083 for (y = 0; y < height; y++)
1084 for (x = 0; x < width; x++)
1085 XPutPixel( image, x, y,
1086 X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, x, y )]);
1087 XPutImage( gdi_display, pixmap, gc, image, 0, 0, 0, 0, width, height );
1088 XDestroyImage( image );
1089 }
1090 }
1091
1092 wine_tsx11_unlock();
1093 return exposures;
1094 }
1095
1096
1097 /***********************************************************************
1098 * BITBLT_PutDstArea
1099 *
1100 * Put an area back into the destination DC, mapping the pixel
1101 * colors to X pixels.
1102 */
1103 static int BITBLT_PutDstArea(X11DRV_PDEVICE *physDev, Pixmap pixmap, RECT *visRectDst)
1104 {
1105 int exposures = 0;
1106 INT width = visRectDst->right - visRectDst->left;
1107 INT height = visRectDst->bottom - visRectDst->top;
1108
1109 /* !X11DRV_PALETTE_PaletteToXPixel is _NOT_ enough */
1110
1111 if (!X11DRV_PALETTE_PaletteToXPixel || (physDev->depth == 1) ||
1112 (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) )
1113 {
1114 XCopyArea( gdi_display, pixmap, physDev->drawable, physDev->gc, 0, 0, width, height,
1115 physDev->dc_rect.left + visRectDst->left,
1116 physDev->dc_rect.top + visRectDst->top );
1117 exposures++;
1118 }
1119 else
1120 {
1121 register INT x, y;
1122 XImage *image = XGetImage( gdi_display, pixmap, 0, 0, width, height,
1123 AllPlanes, ZPixmap );
1124 for (y = 0; y < height; y++)
1125 for (x = 0; x < width; x++)
1126 {
1127 XPutPixel( image, x, y,
1128 X11DRV_PALETTE_PaletteToXPixel[XGetPixel( image, x, y )]);
1129 }
1130 XPutImage( gdi_display, physDev->drawable, physDev->gc, image, 0, 0,
1131 physDev->dc_rect.left + visRectDst->left,
1132 physDev->dc_rect.top + visRectDst->top, width, height );
1133 XDestroyImage( image );
1134 }
1135 return exposures;
1136 }
1137
1138
1139 /***********************************************************************
1140 * BITBLT_GetVisRectangles
1141 *
1142 * Get the source and destination visible rectangles for StretchBlt().
1143 * Return FALSE if one of the rectangles is empty.
1144 */
1145 static BOOL BITBLT_GetVisRectangles( X11DRV_PDEVICE *physDevDst, INT xDst, INT yDst,
1146 INT widthDst, INT heightDst,
1147 X11DRV_PDEVICE *physDevSrc, INT xSrc, INT ySrc,
1148 INT widthSrc, INT heightSrc,
1149 RECT *visRectSrc, RECT *visRectDst )
1150 {
1151 RECT rect, clipRect;
1152
1153 /* Get the destination visible rectangle */
1154
1155 rect.left = xDst;
1156 rect.top = yDst;
1157 rect.right = xDst + widthDst;
1158 rect.bottom = yDst + heightDst;
1159 if (widthDst < 0) SWAP_INT32( &rect.left, &rect.right );
1160 if (heightDst < 0) SWAP_INT32( &rect.top, &rect.bottom );
1161 GetRgnBox( physDevDst->region, &clipRect );
1162 if (!IntersectRect( visRectDst, &rect, &clipRect )) return FALSE;
1163
1164 /* Get the source visible rectangle */
1165
1166 if (!physDevSrc) return TRUE;
1167 rect.left = xSrc;
1168 rect.top = ySrc;
1169 rect.right = xSrc + widthSrc;
1170 rect.bottom = ySrc + heightSrc;
1171 if (widthSrc < 0) SWAP_INT32( &rect.left, &rect.right );
1172 if (heightSrc < 0) SWAP_INT32( &rect.top, &rect.bottom );
1173 /* Apparently the clipping and visible regions are only for output,
1174 so just check against dc extent here to avoid BadMatch errors */
1175 clipRect = physDevSrc->drawable_rect;
1176 OffsetRect( &clipRect, -(physDevSrc->drawable_rect.left + physDevSrc->dc_rect.left),
1177 -(physDevSrc->drawable_rect.top + physDevSrc->dc_rect.top) );
1178 if (!IntersectRect( visRectSrc, &rect, &clipRect ))
1179 return FALSE;
1180
1181 /* Intersect the rectangles */
1182
1183 if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */
1184 {
1185 visRectSrc->left += xDst - xSrc;
1186 visRectSrc->right += xDst - xSrc;
1187 visRectSrc->top += yDst - ySrc;
1188 visRectSrc->bottom += yDst - ySrc;
1189 if (!IntersectRect( &rect, visRectSrc, visRectDst )) return FALSE;
1190 *visRectSrc = *visRectDst = rect;
1191 visRectSrc->left += xSrc - xDst;
1192 visRectSrc->right += xSrc - xDst;
1193 visRectSrc->top += ySrc - yDst;
1194 visRectSrc->bottom += ySrc - yDst;
1195 }
1196 else /* stretching */
1197 {
1198 /* Map source rectangle into destination coordinates */
1199 rect.left = xDst + (visRectSrc->left - xSrc)*widthDst/widthSrc;
1200 rect.top = yDst + (visRectSrc->top - ySrc)*heightDst/heightSrc;
1201 rect.right = xDst + ((visRectSrc->right - xSrc)*widthDst)/widthSrc;
1202 rect.bottom = yDst + ((visRectSrc->bottom - ySrc)*heightDst)/heightSrc;
1203 if (rect.left > rect.right) SWAP_INT32( &rect.left, &rect.right );
1204 if (rect.top > rect.bottom) SWAP_INT32( &rect.top, &rect.bottom );
1205
1206 /* Avoid rounding errors */
1207 rect.left--;
1208 rect.top--;
1209 rect.right++;
1210 rect.bottom++;
1211 if (!IntersectRect( visRectDst, &rect, visRectDst )) return FALSE;
1212
1213 /* Map destination rectangle back to source coordinates */
1214 rect = *visRectDst;
1215 rect.left = xSrc + (visRectDst->left - xDst)*widthSrc/widthDst;
1216 rect.top = ySrc + (visRectDst->top - yDst)*heightSrc/heightDst;
1217 rect.right = xSrc + ((visRectDst->right - xDst)*widthSrc)/widthDst;
1218 rect.bottom = ySrc + ((visRectDst->bottom - yDst)*heightSrc)/heightDst;
1219 if (rect.left > rect.right) SWAP_INT32( &rect.left, &rect.right );
1220 if (rect.top > rect.bottom) SWAP_INT32( &rect.top, &rect.bottom );
1221
1222 /* Avoid rounding errors */
1223 rect.left--;
1224 rect.top--;
1225 rect.right++;
1226 rect.bottom++;
1227 if (!IntersectRect( visRectSrc, &rect, visRectSrc )) return FALSE;
1228 }
1229 return TRUE;
1230 }
1231
1232
1233 /***********************************************************************
1234 * client_side_dib_copy
1235 */
1236 static BOOL client_side_dib_copy( X11DRV_PDEVICE *physDevSrc, INT xSrc, INT ySrc,
1237 X11DRV_PDEVICE *physDevDst, INT xDst, INT yDst,
1238 INT width, INT height )
1239 {
1240 DIBSECTION srcDib, dstDib;
1241 BYTE *srcPtr, *dstPtr;
1242 INT srcRowOffset, dstRowOffset;
1243 INT bytesPerPixel;
1244 INT bytesToCopy;
1245 INT y;
1246 static RECT unusedRect;
1247
1248 if (GetObjectW(physDevSrc->bitmap->hbitmap, sizeof(srcDib), &srcDib) != sizeof(srcDib))
1249 return FALSE;
1250 if (GetObjectW(physDevDst->bitmap->hbitmap, sizeof(dstDib), &dstDib) != sizeof(dstDib))
1251 return FALSE;
1252
1253 /* check for oversized values, just like X11DRV_DIB_CopyDIBSection() */
1254 if (xSrc > srcDib.dsBm.bmWidth || ySrc > srcDib.dsBm.bmHeight)
1255 return FALSE;
1256 if (xSrc + width > srcDib.dsBm.bmWidth)
1257 width = srcDib.dsBm.bmWidth - xSrc;
1258 if (ySrc + height > srcDib.dsBm.bmHeight)
1259 height = srcDib.dsBm.bmHeight - ySrc;
1260
1261 if (GetRgnBox(physDevDst->region, &unusedRect) == COMPLEXREGION)
1262 {
1263 /* for simple regions, the clipping was already done by BITBLT_GetVisRectangles */
1264 FIXME("potential optimization: client-side complex region clipping\n");
1265 return FALSE;
1266 }
1267 if (dstDib.dsBm.bmBitsPixel <= 8)
1268 {
1269 FIXME("potential optimization: client-side color-index mode DIB copy\n");
1270 return FALSE;
1271 }
1272 if (!(srcDib.dsBmih.biCompression == BI_BITFIELDS &&
1273 dstDib.dsBmih.biCompression == BI_BITFIELDS &&
1274 !memcmp(srcDib.dsBitfields, dstDib.dsBitfields, 3*sizeof(DWORD)))
1275 && !(srcDib.dsBmih.biCompression == BI_RGB &&
1276 dstDib.dsBmih.biCompression == BI_RGB))
1277 {
1278 FIXME("potential optimization: client-side compressed DIB copy\n");
1279 return FALSE;
1280 }
1281 if (srcDib.dsBm.bmBitsPixel != dstDib.dsBm.bmBitsPixel)
1282 {
1283 FIXME("potential optimization: pixel format conversion\n");
1284 return FALSE;
1285 }
1286 if (srcDib.dsBmih.biWidth < 0 || dstDib.dsBmih.biWidth < 0)
1287 {
1288 FIXME("negative widths not yet implemented\n");
1289 return FALSE;
1290 }
1291
1292 switch (dstDib.dsBm.bmBitsPixel)
1293 {
1294 case 15:
1295 case 16:
1296 bytesPerPixel = 2;
1297 break;
1298 case 24:
1299 bytesPerPixel = 3;
1300 break;
1301 case 32:
1302 bytesPerPixel = 4;
1303 break;
1304 default:
1305 FIXME("don't know how to work with a depth of %d\n", physDevSrc->depth);
1306 return FALSE;
1307 }
1308
1309 bytesToCopy = width * bytesPerPixel;
1310
1311 if (srcDib.dsBmih.biHeight < 0)
1312 {
1313 srcPtr = &physDevSrc->bitmap->base[ySrc*srcDib.dsBm.bmWidthBytes + xSrc*bytesPerPixel];
1314 srcRowOffset = srcDib.dsBm.bmWidthBytes;
1315 }
1316 else
1317 {
1318 srcPtr = &physDevSrc->bitmap->base[(srcDib.dsBm.bmHeight-ySrc-1)*srcDib.dsBm.bmWidthBytes
1319 + xSrc*bytesPerPixel];
1320 srcRowOffset = -srcDib.dsBm.bmWidthBytes;
1321 }
1322 if (dstDib.dsBmih.biHeight < 0)
1323 {
1324 dstPtr = &physDevDst->bitmap->base[yDst*dstDib.dsBm.bmWidthBytes + xDst*bytesPerPixel];
1325 dstRowOffset = dstDib.dsBm.bmWidthBytes;
1326 }
1327 else
1328 {
1329 dstPtr = &physDevDst->bitmap->base[(dstDib.dsBm.bmHeight-yDst-1)*dstDib.dsBm.bmWidthBytes
1330 + xDst*bytesPerPixel];
1331 dstRowOffset = -dstDib.dsBm.bmWidthBytes;
1332 }
1333
1334 /* Handle overlapping regions on the same DIB */
1335 if (physDevSrc == physDevDst && ySrc < yDst)
1336 {
1337 srcPtr += srcRowOffset * (height - 1);
1338 srcRowOffset = -srcRowOffset;
1339 dstPtr += dstRowOffset * (height - 1);
1340 dstRowOffset = -dstRowOffset;
1341 }
1342
1343 for (y = yDst; y < yDst + height; ++y)
1344 {
1345 memmove(dstPtr, srcPtr, bytesToCopy);
1346 srcPtr += srcRowOffset;
1347 dstPtr += dstRowOffset;
1348 }
1349
1350 return TRUE;
1351 }
1352
1353 static BOOL same_format(X11DRV_PDEVICE *physDevSrc, X11DRV_PDEVICE *physDevDst)
1354 {
1355 if (physDevSrc->depth != physDevDst->depth) return FALSE;
1356 if (!physDevSrc->color_shifts && !physDevDst->color_shifts) return TRUE;
1357 if (physDevSrc->color_shifts && physDevDst->color_shifts)
1358 return !memcmp(physDevSrc->color_shifts, physDevDst->color_shifts, sizeof(ColorShifts));
1359 return FALSE;
1360 }
1361
1362 /***********************************************************************
1363 * X11DRV_StretchBlt
1364 */
1365 BOOL CDECL X11DRV_StretchBlt( X11DRV_PDEVICE *physDevDst, INT xDst, INT yDst, INT widthDst, INT heightDst,
1366 X11DRV_PDEVICE *physDevSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc,
1367 DWORD rop )
1368 {
1369 BOOL usePat, useSrc, useDst, destUsed, fStretch, fNullBrush;
1370 RECT visRectDst, visRectSrc;
1371 INT width, height;
1372 INT sDst, sSrc = DIB_Status_None;
1373 const BYTE *opcode;
1374 Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */
1375 GC tmpGC = 0;
1376 POINT pts[2];
1377
1378 /* compensate for off-by-one shifting for negative widths and heights */
1379 if (widthDst < 0)
1380 ++xDst;
1381 if (heightDst < 0)
1382 ++yDst;
1383 if (widthSrc < 0)
1384 ++xSrc;
1385 if (heightSrc < 0)
1386 ++ySrc;
1387
1388 usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
1389 useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000));
1390 useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000));
1391 if (!physDevSrc && useSrc) return FALSE;
1392
1393 /* Map the coordinates to device coords */
1394
1395 pts[0].x = xDst;
1396 pts[0].y = yDst;
1397 pts[1].x = xDst + widthDst;
1398 pts[1].y = yDst + heightDst;
1399 LPtoDP(physDevDst->hdc, pts, 2);
1400 xDst = pts[0].x;
1401 yDst = pts[0].y;
1402 widthDst = pts[1].x - pts[0].x;
1403 heightDst = pts[1].y - pts[0].y;
1404
1405 TRACE(" rectdst=%d,%d-%d,%d orgdst=%d,%d\n",
1406 xDst, yDst, widthDst, heightDst,
1407 physDevDst->dc_rect.left, physDevDst->dc_rect.top );
1408
1409 if (useSrc)
1410 {
1411 pts[0].x = xSrc;
1412 pts[0].y = ySrc;
1413 pts[1].x = xSrc + widthSrc;
1414 pts[1].y = ySrc + heightSrc;
1415 LPtoDP(physDevSrc->hdc, pts, 2);
1416 xSrc = pts[0].x;
1417 ySrc = pts[0].y;
1418 widthSrc = pts[1].x - pts[0].x;
1419 heightSrc = pts[1].y - pts[0].y;
1420
1421 fStretch = (widthSrc != widthDst) || (heightSrc != heightDst);
1422 TRACE(" rectsrc=%d,%d-%d,%d orgsrc=%d,%d\n",
1423 xSrc, ySrc, widthSrc, heightSrc,
1424 physDevSrc->dc_rect.left, physDevSrc->dc_rect.top );
1425 if (!BITBLT_GetVisRectangles( physDevDst, xDst, yDst, widthDst, heightDst,
1426 physDevSrc, xSrc, ySrc, widthSrc, heightSrc,
1427 &visRectSrc, &visRectDst ))
1428 return TRUE;
1429 TRACE(" vissrc=%d,%d-%d,%d visdst=%d,%d-%d,%d\n",
1430 visRectSrc.left, visRectSrc.top,
1431 visRectSrc.right, visRectSrc.bottom,
1432 visRectDst.left, visRectDst.top,
1433 visRectDst.right, visRectDst.bottom );
1434 if (physDevDst != physDevSrc)
1435 sSrc = X11DRV_LockDIBSection( physDevSrc, DIB_Status_None );
1436 }
1437 else
1438 {
1439 fStretch = FALSE;
1440 if (!BITBLT_GetVisRectangles( physDevDst, xDst, yDst, widthDst, heightDst,
1441 NULL, 0, 0, 0, 0, NULL, &visRectDst ))
1442 return TRUE;
1443 TRACE(" vissrc=none visdst=%d,%d-%d,%d\n",
1444 visRectDst.left, visRectDst.top,
1445 visRectDst.right, visRectDst.bottom );
1446 }
1447
1448 width = visRectDst.right - visRectDst.left;
1449 height = visRectDst.bottom - visRectDst.top;
1450
1451 sDst = X11DRV_LockDIBSection( physDevDst, DIB_Status_None );
1452 if (physDevDst == physDevSrc) sSrc = sDst;
1453
1454 /* try client-side DIB copy */
1455 if (!fStretch && rop == SRCCOPY &&
1456 sSrc == DIB_Status_AppMod && sDst == DIB_Status_AppMod &&
1457 same_format(physDevSrc, physDevDst))
1458 {
1459 if (client_side_dib_copy( physDevSrc, visRectSrc.left, visRectSrc.top,
1460 physDevDst, visRectDst.left, visRectDst.top, width, height ))
1461 goto done;
1462 }
1463
1464 X11DRV_CoerceDIBSection( physDevDst, DIB_Status_GdiMod );
1465
1466 opcode = BITBLT_Opcodes[(rop >> 16) & 0xff];
1467
1468 /* a few optimizations for single-op ROPs */
1469 if (!fStretch && !opcode[1])
1470 {
1471 if (OP_SRCDST(*opcode) == OP_ARGS(PAT,DST))
1472 {
1473 switch(rop) /* a few special cases */
1474 {
1475 case BLACKNESS: /* 0x00 */
1476 case WHITENESS: /* 0xff */
1477 if ((physDevDst->depth != 1) && X11DRV_PALETTE_PaletteToXPixel)
1478 {
1479 wine_tsx11_lock();
1480 XSetFunction( gdi_display, physDevDst->gc, GXcopy );
1481 if (rop == BLACKNESS)
1482 XSetForeground( gdi_display, physDevDst->gc, X11DRV_PALETTE_PaletteToXPixel[0] );
1483 else
1484 XSetForeground( gdi_display, physDevDst->gc,
1485 WhitePixel( gdi_display, DefaultScreen(gdi_display) ));
1486 XSetFillStyle( gdi_display, physDevDst->gc, FillSolid );
1487 XFillRectangle( gdi_display, physDevDst->drawable, physDevDst->gc,
1488 physDevDst->dc_rect.left + visRectDst.left,
1489 physDevDst->dc_rect.top + visRectDst.top,
1490 width, height );
1491 wine_tsx11_unlock();
1492 goto done;
1493 }
1494 break;
1495 case DSTINVERT: /* 0x55 */
1496 if (!(X11DRV_PALETTE_PaletteFlags & (X11DRV_PALETTE_PRIVATE | X11DRV_PALETTE_VIRTUAL)))
1497 {
1498 /* Xor is much better when we do not have full colormap. */
1499 /* Using white^black ensures that we invert at least black */
1500 /* and white. */
1501 unsigned long xor_pix = (WhitePixel( gdi_display, DefaultScreen(gdi_display) ) ^
1502 BlackPixel( gdi_display, DefaultScreen(gdi_display) ));
1503 wine_tsx11_lock();
1504 XSetFunction( gdi_display, physDevDst->gc, GXxor );
1505 XSetForeground( gdi_display, physDevDst->gc, xor_pix);
1506 XSetFillStyle( gdi_display, physDevDst->gc, FillSolid );
1507 XFillRectangle( gdi_display, physDevDst->drawable, physDevDst->gc,
1508 physDevDst->dc_rect.left + visRectDst.left,
1509 physDevDst->dc_rect.top + visRectDst.top,
1510 width, height );
1511 wine_tsx11_unlock();
1512 goto done;
1513 }
1514 break;
1515 }
1516 if (!usePat || X11DRV_SetupGCForBrush( physDevDst ))
1517 {
1518 wine_tsx11_lock();
1519 XSetFunction( gdi_display, physDevDst->gc, OP_ROP(*opcode) );
1520 XFillRectangle( gdi_display, physDevDst->drawable, physDevDst->gc,
1521 physDevDst->dc_rect.left + visRectDst.left,
1522 physDevDst->dc_rect.top + visRectDst.top,
1523 width, height );
1524 wine_tsx11_unlock();
1525 }
1526 goto done;
1527 }
1528 else if (OP_SRCDST(*opcode) == OP_ARGS(SRC,DST))
1529 {
1530 if (same_format(physDevSrc, physDevDst))
1531 {
1532 wine_tsx11_lock();
1533 XSetFunction( gdi_display, physDevDst->gc, OP_ROP(*opcode) );
1534 wine_tsx11_unlock();
1535
1536 if (physDevSrc != physDevDst)
1537 {
1538 if (sSrc == DIB_Status_AppMod)
1539 {
1540 X11DRV_DIB_CopyDIBSection( physDevSrc, physDevDst, visRectSrc.left, visRectSrc.top,
1541 visRectDst.left, visRectDst.top, width, height );
1542 goto done;
1543 }
1544 X11DRV_CoerceDIBSection( physDevSrc, DIB_Status_GdiMod );
1545 }
1546 wine_tsx11_lock();
1547 XCopyArea( gdi_display, physDevSrc->drawable,
1548 physDevDst->drawable, physDevDst->gc,
1549 physDevSrc->dc_rect.left + visRectSrc.left,
1550 physDevSrc->dc_rect.top + visRectSrc.top,
1551 width, height,
1552 physDevDst->dc_rect.left + visRectDst.left,
1553 physDevDst->dc_rect.top + visRectDst.top );
1554 physDevDst->exposures++;
1555 wine_tsx11_unlock();
1556 goto done;
1557 }
1558 if (physDevSrc->depth == 1)
1559 {
1560 int fg, bg;
1561
1562 X11DRV_CoerceDIBSection( physDevSrc, DIB_Status_GdiMod );
1563 get_colors(physDevDst, physDevSrc, &fg, &bg);
1564 wine_tsx11_lock();
1565 XSetBackground( gdi_display, physDevDst->gc, fg );
1566 XSetForeground( gdi_display, physDevDst->gc, bg );
1567 XSetFunction( gdi_display, physDevDst->gc, OP_ROP(*opcode) );
1568 XCopyPlane( gdi_display, physDevSrc->drawable,
1569 physDevDst->drawable, physDevDst->gc,
1570 physDevSrc->dc_rect.left + visRectSrc.left,
1571 physDevSrc->dc_rect.top + visRectSrc.top,
1572 width, height,
1573 physDevDst->dc_rect.left + visRectDst.left,
1574 physDevDst->dc_rect.top + visRectDst.top, 1 );
1575 physDevDst->exposures++;
1576 wine_tsx11_unlock();
1577 goto done;
1578 }
1579 }
1580 }
1581
1582 wine_tsx11_lock();
1583 tmpGC = XCreateGC( gdi_display, physDevDst->drawable, 0, NULL );
1584 XSetSubwindowMode( gdi_display, tmpGC, IncludeInferiors );
1585 XSetGraphicsExposures( gdi_display, tmpGC, False );
1586 pixmaps[DST] = XCreatePixmap( gdi_display, root_window, width, height,
1587 physDevDst->depth );
1588 wine_tsx11_unlock();
1589
1590 if (useSrc)
1591 {
1592 wine_tsx11_lock();
1593 pixmaps[SRC] = XCreatePixmap( gdi_display, root_window, width, height,
1594 physDevDst->depth );
1595 wine_tsx11_unlock();
1596
1597 if (physDevDst != physDevSrc) X11DRV_CoerceDIBSection( physDevSrc, DIB_Status_GdiMod );
1598
1599 if(!X11DRV_XRender_GetSrcAreaStretch( physDevSrc, physDevDst, pixmaps[SRC], tmpGC,
1600 widthSrc, heightSrc, widthDst, heightDst,
1601 &visRectSrc, &visRectDst))
1602 {
1603 if (fStretch)
1604 BITBLT_GetSrcAreaStretch( physDevSrc, physDevDst, pixmaps[SRC], tmpGC,
1605 xSrc, ySrc, widthSrc, heightSrc,
1606 xDst, yDst, widthDst, heightDst,
1607 &visRectSrc, &visRectDst );
1608 else
1609 BITBLT_GetSrcArea( physDevSrc, physDevDst, pixmaps[SRC], tmpGC,
1610 &visRectSrc );
1611 }
1612 }
1613
1614 if (useDst) BITBLT_GetDstArea( physDevDst, pixmaps[DST], tmpGC, &visRectDst );
1615 if (usePat) fNullBrush = !X11DRV_SetupGCForPatBlt( physDevDst, tmpGC, TRUE );
1616 else fNullBrush = FALSE;
1617 destUsed = FALSE;
1618
1619 wine_tsx11_lock();
1620 for ( ; *opcode; opcode++)
1621 {
1622 if (OP_DST(*opcode) == DST) destUsed = TRUE;
1623 XSetFunction( gdi_display, tmpGC, OP_ROP(*opcode) );
1624 switch(OP_SRCDST(*opcode))
1625 {
1626 case OP_ARGS(DST,TMP):
1627 case OP_ARGS(SRC,TMP):
1628 if (!pixmaps[TMP])
1629 pixmaps[TMP] = XCreatePixmap( gdi_display, root_window,
1630 width, height, physDevDst->depth );
1631 /* fall through */
1632 case OP_ARGS(DST,SRC):
1633 case OP_ARGS(SRC,DST):
1634 case OP_ARGS(TMP,SRC):
1635 case OP_ARGS(TMP,DST):
1636 if (useSrc)
1637 XCopyArea( gdi_display, pixmaps[OP_SRC(*opcode)],
1638 pixmaps[OP_DST(*opcode)], tmpGC,
1639 0, 0, width, height, 0, 0 );
1640 break;
1641
1642 case OP_ARGS(PAT,TMP):
1643 if (!pixmaps[TMP] && !fNullBrush)
1644 pixmaps[TMP] = XCreatePixmap( gdi_display, root_window,
1645 width, height, physDevDst->depth );
1646 /* fall through */
1647 case OP_ARGS(PAT,DST):
1648 case OP_ARGS(PAT,SRC):
1649 if (!fNullBrush)
1650 XFillRectangle( gdi_display, pixmaps[OP_DST(*opcode)],
1651 tmpGC, 0, 0, width, height );
1652 break;
1653 }
1654 }
1655 XSetFunction( gdi_display, physDevDst->gc, GXcopy );
1656 physDevDst->exposures += BITBLT_PutDstArea( physDevDst, pixmaps[destUsed ? DST : SRC],
1657 &visRectDst );
1658 XFreePixmap( gdi_display, pixmaps[DST] );
1659 if (pixmaps[SRC]) XFreePixmap( gdi_display, pixmaps[SRC] );
1660 if (pixmaps[TMP]) XFreePixmap( gdi_display, pixmaps[TMP] );
1661 XFreeGC( gdi_display, tmpGC );
1662 wine_tsx11_unlock();
1663
1664 done:
1665 if (useSrc && physDevDst != physDevSrc) X11DRV_UnlockDIBSection( physDevSrc, FALSE );
1666 X11DRV_UnlockDIBSection( physDevDst, TRUE );
1667 return TRUE;
1668 }
useful hacks and other patches not (yet) suitable for mainline