]> git.proxmox.com Git - qemu.git/blame - hw/cirrus_vga_rop.h
Merge remote-tracking branch 'spice/spice.v39' into staging
[qemu.git] / hw / cirrus_vga_rop.h
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a5082316
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1/*
2 * QEMU Cirrus CLGD 54xx VGA Emulator.
5fafdf24 3 *
a5082316 4 * Copyright (c) 2004 Fabrice Bellard
5fafdf24 5 *
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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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
23 */
24
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25static inline void glue(rop_8_,ROP_NAME)(uint8_t *dst, uint8_t src)
26{
27 *dst = ROP_FN(*dst, src);
28}
29
30static inline void glue(rop_16_,ROP_NAME)(uint16_t *dst, uint16_t src)
31{
32 *dst = ROP_FN(*dst, src);
33}
34
35static inline void glue(rop_32_,ROP_NAME)(uint32_t *dst, uint32_t src)
36{
37 *dst = ROP_FN(*dst, src);
38}
39
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
44
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45static void
46glue(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)
50{
51 int x,y;
52 dstpitch -= bltwidth;
53 srcpitch -= bltwidth;
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54
55 if (dstpitch < 0 || srcpitch < 0) {
56 /* is 0 valid? srcpitch == 0 could be useful */
57 return;
58 }
59
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60 for (y = 0; y < bltheight; y++) {
61 for (x = 0; x < bltwidth; x++) {
8c78881f 62 ROP_OP(dst, *src);
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63 dst++;
64 src++;
65 }
66 dst += dstpitch;
67 src += srcpitch;
68 }
69}
70
71static void
72glue(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)
76{
77 int x,y;
78 dstpitch += bltwidth;
79 srcpitch += bltwidth;
80 for (y = 0; y < bltheight; y++) {
81 for (x = 0; x < bltwidth; x++) {
8c78881f 82 ROP_OP(dst, *src);
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83 dst--;
84 src--;
85 }
86 dst += dstpitch;
87 src += srcpitch;
88 }
89}
90
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91static void
92glue(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)
96{
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;
8c78881f 104 ROP_OP(&p, *src);
4e12cd94 105 if (p != s->vga.gr[0x34]) *dst = p;
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106 dst++;
107 src++;
108 }
109 dst += dstpitch;
110 src += srcpitch;
111 }
112}
113
114static void
115glue(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)
119{
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;
8c78881f 127 ROP_OP(&p, *src);
4e12cd94 128 if (p != s->vga.gr[0x34]) *dst = p;
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129 dst--;
130 src--;
131 }
132 dst += dstpitch;
133 src += srcpitch;
134 }
135}
136
137static void
138glue(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)
142{
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);
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151 ROP_OP(&p1, *src);
152 ROP_OP(&p2, *(src + 1));
4e12cd94 153 if ((p1 != s->vga.gr[0x34]) || (p2 != s->vga.gr[0x35])) {
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154 *dst = p1;
155 *(dst+1) = p2;
156 }
157 dst+=2;
158 src+=2;
159 }
160 dst += dstpitch;
161 src += srcpitch;
162 }
163}
164
165static void
166glue(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)
170{
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;
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179 ROP_OP(&p1, *(src - 1));
180 ROP_OP(&p2, *src);
4e12cd94 181 if ((p1 != s->vga.gr[0x34]) || (p2 != s->vga.gr[0x35])) {
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182 *(dst-1) = p1;
183 *dst = p2;
184 }
185 dst-=2;
186 src-=2;
187 }
188 dst += dstpitch;
189 src += srcpitch;
190 }
191}
192
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193#define DEPTH 8
194#include "cirrus_vga_rop2.h"
195
196#define DEPTH 16
197#include "cirrus_vga_rop2.h"
198
199#define DEPTH 24
200#include "cirrus_vga_rop2.h"
201
202#define DEPTH 32
203#include "cirrus_vga_rop2.h"
204
205#undef ROP_NAME
206#undef ROP_OP
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207#undef ROP_OP_16
208#undef ROP_OP_32