root / hw / cirrus_vga_rop2.h @ 9f0777ed
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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 | e69390ce | bellard | |
51 | e69390ce | bellard | #if DEPTH == 8 |
52 | e69390ce | bellard | pattern_pitch = 8;
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53 | e69390ce | bellard | #elif DEPTH == 16 |
54 | e69390ce | bellard | pattern_pitch = 16;
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55 | e69390ce | bellard | #else
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56 | e69390ce | bellard | pattern_pitch = 32;
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57 | e69390ce | bellard | #endif
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58 | e69390ce | bellard | pattern_y = s->cirrus_blt_srcaddr & 7;
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59 | e69390ce | bellard | pattern_x = 0;
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60 | e69390ce | bellard | for(y = 0; y < bltheight; y++) { |
61 | e69390ce | bellard | d = dst; |
62 | e69390ce | bellard | src1 = src + pattern_y * pattern_pitch; |
63 | e69390ce | bellard | for (x = 0; x < bltwidth; x += (DEPTH / 8)) { |
64 | e69390ce | bellard | #if DEPTH == 8 |
65 | e69390ce | bellard | col = src1[pattern_x]; |
66 | e69390ce | bellard | pattern_x = (pattern_x + 1) & 7; |
67 | e69390ce | bellard | #elif DEPTH == 16 |
68 | e69390ce | bellard | col = ((uint16_t *)(src1 + pattern_x))[0];
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69 | e69390ce | bellard | pattern_x = (pattern_x + 2) & 15; |
70 | b30d4608 | bellard | #elif DEPTH == 24 |
71 | b30d4608 | bellard | { |
72 | b30d4608 | bellard | const uint8_t *src2 = src1 + pattern_x * 3; |
73 | b30d4608 | bellard | col = src2[0] | (src2[1] << 8) | (src2[2] << 16); |
74 | b30d4608 | bellard | pattern_x = (pattern_x + 1) & 7; |
75 | b30d4608 | bellard | } |
76 | e69390ce | bellard | #else
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77 | e69390ce | bellard | col = ((uint32_t *)(src1 + pattern_x))[0];
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78 | e69390ce | bellard | pattern_x = (pattern_x + 4) & 31; |
79 | e69390ce | bellard | #endif
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80 | e69390ce | bellard | PUTPIXEL(); |
81 | e69390ce | bellard | d += (DEPTH / 8);
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82 | e69390ce | bellard | } |
83 | e69390ce | bellard | pattern_y = (pattern_y + 1) & 7; |
84 | e69390ce | bellard | dst += dstpitch; |
85 | e69390ce | bellard | } |
86 | e69390ce | bellard | } |
87 | e69390ce | bellard | |
88 | 4c8732d7 | bellard | /* NOTE: srcpitch is ignored */
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89 | a5082316 | bellard | static void |
90 | a5082316 | bellard | glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH) |
91 | a5082316 | bellard | (CirrusVGAState * s, uint8_t * dst, |
92 | 4c8732d7 | bellard | const uint8_t * src,
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93 | a5082316 | bellard | int dstpitch, int srcpitch, |
94 | a5082316 | bellard | int bltwidth, int bltheight) |
95 | a5082316 | bellard | { |
96 | a5082316 | bellard | uint8_t *d; |
97 | a5082316 | bellard | int x, y;
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98 | b30d4608 | bellard | unsigned bits, bits_xor;
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99 | a5082316 | bellard | unsigned int col; |
100 | a5082316 | bellard | unsigned bitmask;
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101 | a5082316 | bellard | unsigned index;
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102 | a5082316 | bellard | int srcskipleft = 0; |
103 | a5082316 | bellard | |
104 | b30d4608 | bellard | if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
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105 | b30d4608 | bellard | bits_xor = 0xff;
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106 | b30d4608 | bellard | col = s->cirrus_blt_bgcol; |
107 | b30d4608 | bellard | } else {
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108 | b30d4608 | bellard | bits_xor = 0x00;
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109 | b30d4608 | bellard | col = s->cirrus_blt_fgcol; |
110 | b30d4608 | bellard | } |
111 | b30d4608 | bellard | |
112 | a5082316 | bellard | for(y = 0; y < bltheight; y++) { |
113 | a5082316 | bellard | bitmask = 0x80 >> srcskipleft;
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114 | b30d4608 | bellard | bits = *src++ ^ bits_xor; |
115 | a5082316 | bellard | d = dst; |
116 | a5082316 | bellard | for (x = 0; x < bltwidth; x += (DEPTH / 8)) { |
117 | a5082316 | bellard | if ((bitmask & 0xff) == 0) { |
118 | a5082316 | bellard | bitmask = 0x80;
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119 | b30d4608 | bellard | bits = *src++ ^ bits_xor; |
120 | a5082316 | bellard | } |
121 | a5082316 | bellard | index = (bits & bitmask); |
122 | a5082316 | bellard | if (index) {
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123 | a5082316 | bellard | PUTPIXEL(); |
124 | a5082316 | bellard | } |
125 | a5082316 | bellard | d += (DEPTH / 8);
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126 | a5082316 | bellard | bitmask >>= 1;
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127 | a5082316 | bellard | } |
128 | 4c8732d7 | bellard | dst += dstpitch; |
129 | 4c8732d7 | bellard | } |
130 | 4c8732d7 | bellard | } |
131 | 4c8732d7 | bellard | |
132 | 4c8732d7 | bellard | static void |
133 | b30d4608 | bellard | glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH) |
134 | 4c8732d7 | bellard | (CirrusVGAState * s, uint8_t * dst, |
135 | 4c8732d7 | bellard | const uint8_t * src,
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136 | 4c8732d7 | bellard | int dstpitch, int srcpitch, |
137 | 4c8732d7 | bellard | int bltwidth, int bltheight) |
138 | 4c8732d7 | bellard | { |
139 | b30d4608 | bellard | uint32_t colors[2];
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140 | 4c8732d7 | bellard | uint8_t *d; |
141 | 4c8732d7 | bellard | int x, y;
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142 | 4c8732d7 | bellard | unsigned bits;
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143 | 4c8732d7 | bellard | unsigned int col; |
144 | 4c8732d7 | bellard | unsigned bitmask;
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145 | 4c8732d7 | bellard | int srcskipleft = 0; |
146 | 4c8732d7 | bellard | |
147 | b30d4608 | bellard | colors[0] = s->cirrus_blt_bgcol;
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148 | b30d4608 | bellard | colors[1] = s->cirrus_blt_fgcol;
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149 | 4c8732d7 | bellard | for(y = 0; y < bltheight; y++) { |
150 | 4c8732d7 | bellard | bitmask = 0x80 >> srcskipleft;
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151 | 4c8732d7 | bellard | bits = *src++; |
152 | 4c8732d7 | bellard | d = dst; |
153 | 4c8732d7 | bellard | for (x = 0; x < bltwidth; x += (DEPTH / 8)) { |
154 | 4c8732d7 | bellard | if ((bitmask & 0xff) == 0) { |
155 | 4c8732d7 | bellard | bitmask = 0x80;
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156 | 4c8732d7 | bellard | bits = *src++; |
157 | 4c8732d7 | bellard | } |
158 | b30d4608 | bellard | col = colors[!!(bits & bitmask)]; |
159 | b30d4608 | bellard | PUTPIXEL(); |
160 | b30d4608 | bellard | d += (DEPTH / 8);
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161 | b30d4608 | bellard | bitmask >>= 1;
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162 | b30d4608 | bellard | } |
163 | b30d4608 | bellard | dst += dstpitch; |
164 | b30d4608 | bellard | } |
165 | b30d4608 | bellard | } |
166 | b30d4608 | bellard | |
167 | b30d4608 | bellard | static void |
168 | b30d4608 | bellard | glue(glue(glue(cirrus_colorexpand_pattern_transp_, ROP_NAME), _),DEPTH) |
169 | b30d4608 | bellard | (CirrusVGAState * s, uint8_t * dst, |
170 | b30d4608 | bellard | const uint8_t * src,
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171 | b30d4608 | bellard | int dstpitch, int srcpitch, |
172 | b30d4608 | bellard | int bltwidth, int bltheight) |
173 | b30d4608 | bellard | { |
174 | b30d4608 | bellard | uint8_t *d; |
175 | b30d4608 | bellard | int x, y, bitpos, pattern_y;
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176 | b30d4608 | bellard | unsigned int bits, bits_xor; |
177 | b30d4608 | bellard | unsigned int col; |
178 | b30d4608 | bellard | |
179 | b30d4608 | bellard | if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
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180 | b30d4608 | bellard | bits_xor = 0xff;
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181 | b30d4608 | bellard | col = s->cirrus_blt_bgcol; |
182 | b30d4608 | bellard | } else {
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183 | b30d4608 | bellard | bits_xor = 0x00;
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184 | b30d4608 | bellard | col = s->cirrus_blt_fgcol; |
185 | b30d4608 | bellard | } |
186 | b30d4608 | bellard | pattern_y = s->cirrus_blt_srcaddr & 7;
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187 | b30d4608 | bellard | |
188 | b30d4608 | bellard | for(y = 0; y < bltheight; y++) { |
189 | b30d4608 | bellard | bits = src[pattern_y] ^ bits_xor; |
190 | b30d4608 | bellard | bitpos = 7;
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191 | b30d4608 | bellard | d = dst; |
192 | b30d4608 | bellard | for (x = 0; x < bltwidth; x += (DEPTH / 8)) { |
193 | b30d4608 | bellard | if ((bits >> bitpos) & 1) { |
194 | 4c8732d7 | bellard | PUTPIXEL(); |
195 | 4c8732d7 | bellard | } |
196 | 4c8732d7 | bellard | d += (DEPTH / 8);
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197 | b30d4608 | bellard | bitpos = (bitpos - 1) & 7; |
198 | 4c8732d7 | bellard | } |
199 | b30d4608 | bellard | pattern_y = (pattern_y + 1) & 7; |
200 | a5082316 | bellard | dst += dstpitch; |
201 | a5082316 | bellard | } |
202 | a5082316 | bellard | } |
203 | a5082316 | bellard | |
204 | a5082316 | bellard | static void |
205 | b30d4608 | bellard | glue(glue(glue(cirrus_colorexpand_pattern_, ROP_NAME), _),DEPTH) |
206 | a5082316 | bellard | (CirrusVGAState * s, uint8_t * dst, |
207 | 4c8732d7 | bellard | const uint8_t * src,
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208 | a5082316 | bellard | int dstpitch, int srcpitch, |
209 | a5082316 | bellard | int bltwidth, int bltheight) |
210 | a5082316 | bellard | { |
211 | a5082316 | bellard | uint32_t colors[2];
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212 | a5082316 | bellard | uint8_t *d; |
213 | b30d4608 | bellard | int x, y, bitpos, pattern_y;
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214 | b30d4608 | bellard | unsigned int bits; |
215 | a5082316 | bellard | unsigned int col; |
216 | a5082316 | bellard | |
217 | a5082316 | bellard | colors[0] = s->cirrus_blt_bgcol;
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218 | a5082316 | bellard | colors[1] = s->cirrus_blt_fgcol;
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219 | b30d4608 | bellard | pattern_y = s->cirrus_blt_srcaddr & 7;
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220 | b30d4608 | bellard | |
221 | a5082316 | bellard | for(y = 0; y < bltheight; y++) { |
222 | b30d4608 | bellard | bits = src[pattern_y]; |
223 | b30d4608 | bellard | bitpos = 7;
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224 | a5082316 | bellard | d = dst; |
225 | a5082316 | bellard | for (x = 0; x < bltwidth; x += (DEPTH / 8)) { |
226 | b30d4608 | bellard | col = colors[(bits >> bitpos) & 1];
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227 | a5082316 | bellard | PUTPIXEL(); |
228 | a5082316 | bellard | d += (DEPTH / 8);
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229 | b30d4608 | bellard | bitpos = (bitpos - 1) & 7; |
230 | a5082316 | bellard | } |
231 | b30d4608 | bellard | pattern_y = (pattern_y + 1) & 7; |
232 | a5082316 | bellard | dst += dstpitch; |
233 | a5082316 | bellard | } |
234 | a5082316 | bellard | } |
235 | a5082316 | bellard | |
236 | a5082316 | bellard | static void |
237 | a5082316 | bellard | glue(glue(glue(cirrus_fill_, ROP_NAME), _),DEPTH) |
238 | a5082316 | bellard | (CirrusVGAState *s, |
239 | a5082316 | bellard | uint8_t *dst, int dst_pitch,
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240 | a5082316 | bellard | int width, int height) |
241 | a5082316 | bellard | { |
242 | a5082316 | bellard | uint8_t *d, *d1; |
243 | a5082316 | bellard | uint32_t col; |
244 | a5082316 | bellard | int x, y;
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245 | a5082316 | bellard | |
246 | a5082316 | bellard | col = s->cirrus_blt_fgcol; |
247 | a5082316 | bellard | |
248 | a5082316 | bellard | d1 = dst; |
249 | a5082316 | bellard | for(y = 0; y < height; y++) { |
250 | a5082316 | bellard | d = d1; |
251 | a5082316 | bellard | for(x = 0; x < width; x += (DEPTH / 8)) { |
252 | a5082316 | bellard | PUTPIXEL(); |
253 | a5082316 | bellard | d += (DEPTH / 8);
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254 | a5082316 | bellard | } |
255 | a5082316 | bellard | d1 += dst_pitch; |
256 | a5082316 | bellard | } |
257 | a5082316 | bellard | } |
258 | a5082316 | bellard | |
259 | a5082316 | bellard | #undef DEPTH
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260 | a5082316 | bellard | #undef PUTPIXEL |