target-i386: Use mulu2 and muls2
[qemu/pbrook.git] / hw / cirrus_vga_rop.h
blob9c7bb092862cc5f9a49b9a3d22f82a0336af1387
1 /*
2 * QEMU Cirrus CLGD 54xx VGA Emulator.
4 * Copyright (c) 2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
25 static inline void glue(rop_8_,ROP_NAME)(uint8_t *dst, uint8_t src)
27 *dst = ROP_FN(*dst, src);
30 static inline void glue(rop_16_,ROP_NAME)(uint16_t *dst, uint16_t src)
32 *dst = ROP_FN(*dst, src);
35 static inline void glue(rop_32_,ROP_NAME)(uint32_t *dst, uint32_t src)
37 *dst = ROP_FN(*dst, src);
40 #define ROP_OP(d, s) glue(rop_8_,ROP_NAME)(d, s)
41 #define ROP_OP_16(d, s) glue(rop_16_,ROP_NAME)(d, s)
42 #define ROP_OP_32(d, s) glue(rop_32_,ROP_NAME)(d, s)
43 #undef ROP_FN
45 static void
46 glue(cirrus_bitblt_rop_fwd_, ROP_NAME)(CirrusVGAState *s,
47 uint8_t *dst,const uint8_t *src,
48 int dstpitch,int srcpitch,
49 int bltwidth,int bltheight)
51 int x,y;
52 dstpitch -= bltwidth;
53 srcpitch -= bltwidth;
55 if (dstpitch < 0 || srcpitch < 0) {
56 /* is 0 valid? srcpitch == 0 could be useful */
57 return;
60 for (y = 0; y < bltheight; y++) {
61 for (x = 0; x < bltwidth; x++) {
62 ROP_OP(dst, *src);
63 dst++;
64 src++;
66 dst += dstpitch;
67 src += srcpitch;
71 static void
72 glue(cirrus_bitblt_rop_bkwd_, ROP_NAME)(CirrusVGAState *s,
73 uint8_t *dst,const uint8_t *src,
74 int dstpitch,int srcpitch,
75 int bltwidth,int bltheight)
77 int x,y;
78 dstpitch += bltwidth;
79 srcpitch += bltwidth;
80 for (y = 0; y < bltheight; y++) {
81 for (x = 0; x < bltwidth; x++) {
82 ROP_OP(dst, *src);
83 dst--;
84 src--;
86 dst += dstpitch;
87 src += srcpitch;
91 static void
92 glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
93 uint8_t *dst,const uint8_t *src,
94 int dstpitch,int srcpitch,
95 int bltwidth,int bltheight)
97 int x,y;
98 uint8_t p;
99 dstpitch -= bltwidth;
100 srcpitch -= bltwidth;
101 for (y = 0; y < bltheight; y++) {
102 for (x = 0; x < bltwidth; x++) {
103 p = *dst;
104 ROP_OP(&p, *src);
105 if (p != s->vga.gr[0x34]) *dst = p;
106 dst++;
107 src++;
109 dst += dstpitch;
110 src += srcpitch;
114 static void
115 glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
116 uint8_t *dst,const uint8_t *src,
117 int dstpitch,int srcpitch,
118 int bltwidth,int bltheight)
120 int x,y;
121 uint8_t p;
122 dstpitch += bltwidth;
123 srcpitch += bltwidth;
124 for (y = 0; y < bltheight; y++) {
125 for (x = 0; x < bltwidth; x++) {
126 p = *dst;
127 ROP_OP(&p, *src);
128 if (p != s->vga.gr[0x34]) *dst = p;
129 dst--;
130 src--;
132 dst += dstpitch;
133 src += srcpitch;
137 static void
138 glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
139 uint8_t *dst,const uint8_t *src,
140 int dstpitch,int srcpitch,
141 int bltwidth,int bltheight)
143 int x,y;
144 uint8_t p1, p2;
145 dstpitch -= bltwidth;
146 srcpitch -= bltwidth;
147 for (y = 0; y < bltheight; y++) {
148 for (x = 0; x < bltwidth; x+=2) {
149 p1 = *dst;
150 p2 = *(dst+1);
151 ROP_OP(&p1, *src);
152 ROP_OP(&p2, *(src + 1));
153 if ((p1 != s->vga.gr[0x34]) || (p2 != s->vga.gr[0x35])) {
154 *dst = p1;
155 *(dst+1) = p2;
157 dst+=2;
158 src+=2;
160 dst += dstpitch;
161 src += srcpitch;
165 static void
166 glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
167 uint8_t *dst,const uint8_t *src,
168 int dstpitch,int srcpitch,
169 int bltwidth,int bltheight)
171 int x,y;
172 uint8_t p1, p2;
173 dstpitch += bltwidth;
174 srcpitch += bltwidth;
175 for (y = 0; y < bltheight; y++) {
176 for (x = 0; x < bltwidth; x+=2) {
177 p1 = *(dst-1);
178 p2 = *dst;
179 ROP_OP(&p1, *(src - 1));
180 ROP_OP(&p2, *src);
181 if ((p1 != s->vga.gr[0x34]) || (p2 != s->vga.gr[0x35])) {
182 *(dst-1) = p1;
183 *dst = p2;
185 dst-=2;
186 src-=2;
188 dst += dstpitch;
189 src += srcpitch;
193 #define DEPTH 8
194 #include "cirrus_vga_rop2.h"
196 #define DEPTH 16
197 #include "cirrus_vga_rop2.h"
199 #define DEPTH 24
200 #include "cirrus_vga_rop2.h"
202 #define DEPTH 32
203 #include "cirrus_vga_rop2.h"
205 #undef ROP_NAME
206 #undef ROP_OP
207 #undef ROP_OP_16
208 #undef ROP_OP_32