root / hw / cirrus_vga_rop2.h @ 6cc721cf
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1 | a5082316 | bellard | /*
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2 | a5082316 | bellard | * QEMU Cirrus CLGD 54xx VGA Emulator.
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3 | a5082316 | bellard | *
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4 | a5082316 | bellard | * Copyright (c) 2004 Fabrice Bellard
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5 | a5082316 | bellard | *
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6 | a5082316 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | a5082316 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | a5082316 | bellard | * in the Software without restriction, including without limitation the rights
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9 | a5082316 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | a5082316 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | a5082316 | bellard | * furnished to do so, subject to the following conditions:
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12 | a5082316 | bellard | *
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13 | a5082316 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | a5082316 | bellard | * all copies or substantial portions of the Software.
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15 | a5082316 | bellard | *
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16 | a5082316 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | a5082316 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | a5082316 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | a5082316 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | a5082316 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | a5082316 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | a5082316 | bellard | * THE SOFTWARE.
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23 | a5082316 | bellard | */
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24 | a5082316 | bellard | |
25 | a5082316 | bellard | #if DEPTH == 8 |
26 | a5082316 | bellard | #define PUTPIXEL() ROP_OP(d[0], col) |
27 | a5082316 | bellard | #elif DEPTH == 16 |
28 | a5082316 | bellard | #define PUTPIXEL() ROP_OP(((uint16_t *)d)[0], col); |
29 | a5082316 | bellard | #elif DEPTH == 24 |
30 | a5082316 | bellard | #define PUTPIXEL() ROP_OP(d[0], col); \ |
31 | a5082316 | bellard | ROP_OP(d[1], (col >> 8)); \ |
32 | a5082316 | bellard | ROP_OP(d[2], (col >> 16)) |
33 | a5082316 | bellard | #elif DEPTH == 32 |
34 | a5082316 | bellard | #define PUTPIXEL() ROP_OP(((uint32_t *)d)[0], col) |
35 | a5082316 | bellard | #else
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36 | a5082316 | bellard | #error unsupported DEPTH
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37 | a5082316 | bellard | #endif
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38 | a5082316 | bellard | |
39 | e69390ce | bellard | static void |
40 | e69390ce | bellard | glue(glue(glue(cirrus_patternfill_, ROP_NAME), _),DEPTH) |
41 | e69390ce | bellard | (CirrusVGAState * s, uint8_t * dst, |
42 | e69390ce | bellard | const uint8_t * src,
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43 | e69390ce | bellard | int dstpitch, int srcpitch, |
44 | e69390ce | bellard | int bltwidth, int bltheight) |
45 | e69390ce | bellard | { |
46 | e69390ce | bellard | uint8_t *d; |
47 | e69390ce | bellard | int x, y, pattern_y, pattern_pitch, pattern_x;
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48 | e69390ce | bellard | unsigned int col; |
49 | e69390ce | bellard | const uint8_t *src1;
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50 | ad81218e | bellard | #if DEPTH == 24 |
51 | ad81218e | bellard | int skipleft = s->gr[0x2f] & 0x1f; |
52 | ad81218e | bellard | #else
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53 | e3a4e4b6 | bellard | int skipleft = (s->gr[0x2f] & 0x07) * (DEPTH / 8); |
54 | ad81218e | bellard | #endif
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55 | e69390ce | bellard | |
56 | e69390ce | bellard | #if DEPTH == 8 |
57 | e69390ce | bellard | pattern_pitch = 8;
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58 | e69390ce | bellard | #elif DEPTH == 16 |
59 | e69390ce | bellard | pattern_pitch = 16;
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60 | e69390ce | bellard | #else
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61 | e69390ce | bellard | pattern_pitch = 32;
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62 | e69390ce | bellard | #endif
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63 | e69390ce | bellard | pattern_y = s->cirrus_blt_srcaddr & 7;
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64 | e69390ce | bellard | for(y = 0; y < bltheight; y++) { |
65 | 2f636b45 | bellard | pattern_x = skipleft; |
66 | e3a4e4b6 | bellard | d = dst + skipleft; |
67 | e69390ce | bellard | src1 = src + pattern_y * pattern_pitch; |
68 | e3a4e4b6 | bellard | for (x = skipleft; x < bltwidth; x += (DEPTH / 8)) { |
69 | e69390ce | bellard | #if DEPTH == 8 |
70 | e69390ce | bellard | col = src1[pattern_x]; |
71 | e69390ce | bellard | pattern_x = (pattern_x + 1) & 7; |
72 | e69390ce | bellard | #elif DEPTH == 16 |
73 | e69390ce | bellard | col = ((uint16_t *)(src1 + pattern_x))[0];
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74 | e69390ce | bellard | pattern_x = (pattern_x + 2) & 15; |
75 | b30d4608 | bellard | #elif DEPTH == 24 |
76 | b30d4608 | bellard | { |
77 | b30d4608 | bellard | const uint8_t *src2 = src1 + pattern_x * 3; |
78 | b30d4608 | bellard | col = src2[0] | (src2[1] << 8) | (src2[2] << 16); |
79 | b30d4608 | bellard | pattern_x = (pattern_x + 1) & 7; |
80 | b30d4608 | bellard | } |
81 | e69390ce | bellard | #else
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82 | e69390ce | bellard | col = ((uint32_t *)(src1 + pattern_x))[0];
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83 | e69390ce | bellard | pattern_x = (pattern_x + 4) & 31; |
84 | e69390ce | bellard | #endif
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85 | e69390ce | bellard | PUTPIXEL(); |
86 | e69390ce | bellard | d += (DEPTH / 8);
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87 | e69390ce | bellard | } |
88 | e69390ce | bellard | pattern_y = (pattern_y + 1) & 7; |
89 | e69390ce | bellard | dst += dstpitch; |
90 | e69390ce | bellard | } |
91 | e69390ce | bellard | } |
92 | e69390ce | bellard | |
93 | 4c8732d7 | bellard | /* NOTE: srcpitch is ignored */
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94 | a5082316 | bellard | static void |
95 | a5082316 | bellard | glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH) |
96 | a5082316 | bellard | (CirrusVGAState * s, uint8_t * dst, |
97 | 4c8732d7 | bellard | const uint8_t * src,
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98 | a5082316 | bellard | int dstpitch, int srcpitch, |
99 | a5082316 | bellard | int bltwidth, int bltheight) |
100 | a5082316 | bellard | { |
101 | a5082316 | bellard | uint8_t *d; |
102 | a5082316 | bellard | int x, y;
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103 | b30d4608 | bellard | unsigned bits, bits_xor;
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104 | a5082316 | bellard | unsigned int col; |
105 | a5082316 | bellard | unsigned bitmask;
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106 | a5082316 | bellard | unsigned index;
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107 | ad81218e | bellard | #if DEPTH == 24 |
108 | ad81218e | bellard | int dstskipleft = s->gr[0x2f] & 0x1f; |
109 | ad81218e | bellard | int srcskipleft = dstskipleft / 3; |
110 | ad81218e | bellard | #else
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111 | e3a4e4b6 | bellard | int srcskipleft = s->gr[0x2f] & 0x07; |
112 | e3a4e4b6 | bellard | int dstskipleft = srcskipleft * (DEPTH / 8); |
113 | ad81218e | bellard | #endif
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114 | a5082316 | bellard | |
115 | b30d4608 | bellard | if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
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116 | b30d4608 | bellard | bits_xor = 0xff;
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117 | b30d4608 | bellard | col = s->cirrus_blt_bgcol; |
118 | b30d4608 | bellard | } else {
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119 | b30d4608 | bellard | bits_xor = 0x00;
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120 | b30d4608 | bellard | col = s->cirrus_blt_fgcol; |
121 | b30d4608 | bellard | } |
122 | b30d4608 | bellard | |
123 | a5082316 | bellard | for(y = 0; y < bltheight; y++) { |
124 | a5082316 | bellard | bitmask = 0x80 >> srcskipleft;
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125 | b30d4608 | bellard | bits = *src++ ^ bits_xor; |
126 | e3a4e4b6 | bellard | d = dst + dstskipleft; |
127 | e3a4e4b6 | bellard | for (x = dstskipleft; x < bltwidth; x += (DEPTH / 8)) { |
128 | a5082316 | bellard | if ((bitmask & 0xff) == 0) { |
129 | a5082316 | bellard | bitmask = 0x80;
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130 | b30d4608 | bellard | bits = *src++ ^ bits_xor; |
131 | a5082316 | bellard | } |
132 | a5082316 | bellard | index = (bits & bitmask); |
133 | a5082316 | bellard | if (index) {
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134 | a5082316 | bellard | PUTPIXEL(); |
135 | a5082316 | bellard | } |
136 | a5082316 | bellard | d += (DEPTH / 8);
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137 | a5082316 | bellard | bitmask >>= 1;
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138 | a5082316 | bellard | } |
139 | 4c8732d7 | bellard | dst += dstpitch; |
140 | 4c8732d7 | bellard | } |
141 | 4c8732d7 | bellard | } |
142 | 4c8732d7 | bellard | |
143 | 4c8732d7 | bellard | static void |
144 | b30d4608 | bellard | glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH) |
145 | 4c8732d7 | bellard | (CirrusVGAState * s, uint8_t * dst, |
146 | 4c8732d7 | bellard | const uint8_t * src,
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147 | 4c8732d7 | bellard | int dstpitch, int srcpitch, |
148 | 4c8732d7 | bellard | int bltwidth, int bltheight) |
149 | 4c8732d7 | bellard | { |
150 | b30d4608 | bellard | uint32_t colors[2];
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151 | 4c8732d7 | bellard | uint8_t *d; |
152 | 4c8732d7 | bellard | int x, y;
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153 | 4c8732d7 | bellard | unsigned bits;
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154 | 4c8732d7 | bellard | unsigned int col; |
155 | 4c8732d7 | bellard | unsigned bitmask;
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156 | e3a4e4b6 | bellard | int srcskipleft = s->gr[0x2f] & 0x07; |
157 | e3a4e4b6 | bellard | int dstskipleft = srcskipleft * (DEPTH / 8); |
158 | 4c8732d7 | bellard | |
159 | b30d4608 | bellard | colors[0] = s->cirrus_blt_bgcol;
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160 | b30d4608 | bellard | colors[1] = s->cirrus_blt_fgcol;
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161 | 4c8732d7 | bellard | for(y = 0; y < bltheight; y++) { |
162 | 4c8732d7 | bellard | bitmask = 0x80 >> srcskipleft;
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163 | 4c8732d7 | bellard | bits = *src++; |
164 | e3a4e4b6 | bellard | d = dst + dstskipleft; |
165 | e3a4e4b6 | bellard | for (x = dstskipleft; x < bltwidth; x += (DEPTH / 8)) { |
166 | 4c8732d7 | bellard | if ((bitmask & 0xff) == 0) { |
167 | 4c8732d7 | bellard | bitmask = 0x80;
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168 | 4c8732d7 | bellard | bits = *src++; |
169 | 4c8732d7 | bellard | } |
170 | b30d4608 | bellard | col = colors[!!(bits & bitmask)]; |
171 | b30d4608 | bellard | PUTPIXEL(); |
172 | b30d4608 | bellard | d += (DEPTH / 8);
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173 | b30d4608 | bellard | bitmask >>= 1;
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174 | b30d4608 | bellard | } |
175 | b30d4608 | bellard | dst += dstpitch; |
176 | b30d4608 | bellard | } |
177 | b30d4608 | bellard | } |
178 | b30d4608 | bellard | |
179 | b30d4608 | bellard | static void |
180 | b30d4608 | bellard | glue(glue(glue(cirrus_colorexpand_pattern_transp_, ROP_NAME), _),DEPTH) |
181 | b30d4608 | bellard | (CirrusVGAState * s, uint8_t * dst, |
182 | b30d4608 | bellard | const uint8_t * src,
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183 | b30d4608 | bellard | int dstpitch, int srcpitch, |
184 | b30d4608 | bellard | int bltwidth, int bltheight) |
185 | b30d4608 | bellard | { |
186 | b30d4608 | bellard | uint8_t *d; |
187 | b30d4608 | bellard | int x, y, bitpos, pattern_y;
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188 | b30d4608 | bellard | unsigned int bits, bits_xor; |
189 | b30d4608 | bellard | unsigned int col; |
190 | ad81218e | bellard | #if DEPTH == 24 |
191 | ad81218e | bellard | int dstskipleft = s->gr[0x2f] & 0x1f; |
192 | ad81218e | bellard | int srcskipleft = dstskipleft / 3; |
193 | ad81218e | bellard | #else
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194 | e3a4e4b6 | bellard | int srcskipleft = s->gr[0x2f] & 0x07; |
195 | e3a4e4b6 | bellard | int dstskipleft = srcskipleft * (DEPTH / 8); |
196 | ad81218e | bellard | #endif
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197 | b30d4608 | bellard | |
198 | b30d4608 | bellard | if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
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199 | b30d4608 | bellard | bits_xor = 0xff;
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200 | b30d4608 | bellard | col = s->cirrus_blt_bgcol; |
201 | b30d4608 | bellard | } else {
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202 | b30d4608 | bellard | bits_xor = 0x00;
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203 | b30d4608 | bellard | col = s->cirrus_blt_fgcol; |
204 | b30d4608 | bellard | } |
205 | b30d4608 | bellard | pattern_y = s->cirrus_blt_srcaddr & 7;
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206 | b30d4608 | bellard | |
207 | b30d4608 | bellard | for(y = 0; y < bltheight; y++) { |
208 | b30d4608 | bellard | bits = src[pattern_y] ^ bits_xor; |
209 | e3a4e4b6 | bellard | bitpos = 7 - srcskipleft;
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210 | e3a4e4b6 | bellard | d = dst + dstskipleft; |
211 | e3a4e4b6 | bellard | for (x = dstskipleft; x < bltwidth; x += (DEPTH / 8)) { |
212 | b30d4608 | bellard | if ((bits >> bitpos) & 1) { |
213 | 4c8732d7 | bellard | PUTPIXEL(); |
214 | 4c8732d7 | bellard | } |
215 | 4c8732d7 | bellard | d += (DEPTH / 8);
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216 | b30d4608 | bellard | bitpos = (bitpos - 1) & 7; |
217 | 4c8732d7 | bellard | } |
218 | b30d4608 | bellard | pattern_y = (pattern_y + 1) & 7; |
219 | a5082316 | bellard | dst += dstpitch; |
220 | a5082316 | bellard | } |
221 | a5082316 | bellard | } |
222 | a5082316 | bellard | |
223 | a5082316 | bellard | static void |
224 | b30d4608 | bellard | glue(glue(glue(cirrus_colorexpand_pattern_, ROP_NAME), _),DEPTH) |
225 | a5082316 | bellard | (CirrusVGAState * s, uint8_t * dst, |
226 | 4c8732d7 | bellard | const uint8_t * src,
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227 | a5082316 | bellard | int dstpitch, int srcpitch, |
228 | a5082316 | bellard | int bltwidth, int bltheight) |
229 | a5082316 | bellard | { |
230 | a5082316 | bellard | uint32_t colors[2];
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231 | a5082316 | bellard | uint8_t *d; |
232 | b30d4608 | bellard | int x, y, bitpos, pattern_y;
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233 | b30d4608 | bellard | unsigned int bits; |
234 | a5082316 | bellard | unsigned int col; |
235 | e3a4e4b6 | bellard | int srcskipleft = s->gr[0x2f] & 0x07; |
236 | e3a4e4b6 | bellard | int dstskipleft = srcskipleft * (DEPTH / 8); |
237 | a5082316 | bellard | |
238 | a5082316 | bellard | colors[0] = s->cirrus_blt_bgcol;
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239 | a5082316 | bellard | colors[1] = s->cirrus_blt_fgcol;
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240 | b30d4608 | bellard | pattern_y = s->cirrus_blt_srcaddr & 7;
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241 | b30d4608 | bellard | |
242 | a5082316 | bellard | for(y = 0; y < bltheight; y++) { |
243 | b30d4608 | bellard | bits = src[pattern_y]; |
244 | e3a4e4b6 | bellard | bitpos = 7 - srcskipleft;
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245 | e3a4e4b6 | bellard | d = dst + dstskipleft; |
246 | e3a4e4b6 | bellard | for (x = dstskipleft; x < bltwidth; x += (DEPTH / 8)) { |
247 | b30d4608 | bellard | col = colors[(bits >> bitpos) & 1];
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248 | a5082316 | bellard | PUTPIXEL(); |
249 | a5082316 | bellard | d += (DEPTH / 8);
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250 | b30d4608 | bellard | bitpos = (bitpos - 1) & 7; |
251 | a5082316 | bellard | } |
252 | b30d4608 | bellard | pattern_y = (pattern_y + 1) & 7; |
253 | a5082316 | bellard | dst += dstpitch; |
254 | a5082316 | bellard | } |
255 | a5082316 | bellard | } |
256 | a5082316 | bellard | |
257 | a5082316 | bellard | static void |
258 | a5082316 | bellard | glue(glue(glue(cirrus_fill_, ROP_NAME), _),DEPTH) |
259 | a5082316 | bellard | (CirrusVGAState *s, |
260 | a5082316 | bellard | uint8_t *dst, int dst_pitch,
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261 | a5082316 | bellard | int width, int height) |
262 | a5082316 | bellard | { |
263 | a5082316 | bellard | uint8_t *d, *d1; |
264 | a5082316 | bellard | uint32_t col; |
265 | a5082316 | bellard | int x, y;
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266 | a5082316 | bellard | |
267 | a5082316 | bellard | col = s->cirrus_blt_fgcol; |
268 | a5082316 | bellard | |
269 | a5082316 | bellard | d1 = dst; |
270 | a5082316 | bellard | for(y = 0; y < height; y++) { |
271 | a5082316 | bellard | d = d1; |
272 | a5082316 | bellard | for(x = 0; x < width; x += (DEPTH / 8)) { |
273 | a5082316 | bellard | PUTPIXEL(); |
274 | a5082316 | bellard | d += (DEPTH / 8);
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275 | a5082316 | bellard | } |
276 | a5082316 | bellard | d1 += dst_pitch; |
277 | a5082316 | bellard | } |
278 | a5082316 | bellard | } |
279 | a5082316 | bellard | |
280 | a5082316 | bellard | #undef DEPTH
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281 | a5082316 | bellard | #undef PUTPIXEL |