root / hw / cirrus_vga_rop2.h @ e69390ce
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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 | e69390ce | bellard | #else
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71 | e69390ce | bellard | col = ((uint32_t *)(src1 + pattern_x))[0];
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72 | e69390ce | bellard | pattern_x = (pattern_x + 4) & 31; |
73 | e69390ce | bellard | #endif
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74 | e69390ce | bellard | PUTPIXEL(); |
75 | e69390ce | bellard | d += (DEPTH / 8);
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76 | e69390ce | bellard | } |
77 | e69390ce | bellard | pattern_y = (pattern_y + 1) & 7; |
78 | e69390ce | bellard | dst += dstpitch; |
79 | e69390ce | bellard | } |
80 | e69390ce | bellard | } |
81 | e69390ce | bellard | |
82 | 4c8732d7 | bellard | /* NOTE: srcpitch is ignored */
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83 | a5082316 | bellard | static void |
84 | a5082316 | bellard | glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH) |
85 | a5082316 | bellard | (CirrusVGAState * s, uint8_t * dst, |
86 | 4c8732d7 | bellard | const uint8_t * src,
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87 | a5082316 | bellard | int dstpitch, int srcpitch, |
88 | a5082316 | bellard | int bltwidth, int bltheight) |
89 | a5082316 | bellard | { |
90 | a5082316 | bellard | uint8_t *d; |
91 | a5082316 | bellard | int x, y;
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92 | a5082316 | bellard | unsigned bits;
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93 | a5082316 | bellard | unsigned int col; |
94 | a5082316 | bellard | unsigned bitmask;
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95 | a5082316 | bellard | unsigned index;
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96 | a5082316 | bellard | int srcskipleft = 0; |
97 | a5082316 | bellard | |
98 | a5082316 | bellard | col = s->cirrus_blt_fgcol; |
99 | a5082316 | bellard | for(y = 0; y < bltheight; y++) { |
100 | a5082316 | bellard | bitmask = 0x80 >> srcskipleft;
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101 | a5082316 | bellard | bits = *src++; |
102 | a5082316 | bellard | d = dst; |
103 | a5082316 | bellard | for (x = 0; x < bltwidth; x += (DEPTH / 8)) { |
104 | a5082316 | bellard | if ((bitmask & 0xff) == 0) { |
105 | a5082316 | bellard | bitmask = 0x80;
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106 | a5082316 | bellard | bits = *src++; |
107 | a5082316 | bellard | } |
108 | a5082316 | bellard | index = (bits & bitmask); |
109 | a5082316 | bellard | if (index) {
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110 | a5082316 | bellard | PUTPIXEL(); |
111 | a5082316 | bellard | } |
112 | a5082316 | bellard | d += (DEPTH / 8);
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113 | a5082316 | bellard | bitmask >>= 1;
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114 | a5082316 | bellard | } |
115 | 4c8732d7 | bellard | dst += dstpitch; |
116 | 4c8732d7 | bellard | } |
117 | 4c8732d7 | bellard | } |
118 | 4c8732d7 | bellard | |
119 | 4c8732d7 | bellard | /* NOTE: srcpitch is ignored */
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120 | 4c8732d7 | bellard | static void |
121 | 4c8732d7 | bellard | glue(glue(glue(cirrus_colorexpand_transp_inv_, ROP_NAME), _),DEPTH) |
122 | 4c8732d7 | bellard | (CirrusVGAState * s, uint8_t * dst, |
123 | 4c8732d7 | bellard | const uint8_t * src,
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124 | 4c8732d7 | bellard | int dstpitch, int srcpitch, |
125 | 4c8732d7 | bellard | int bltwidth, int bltheight) |
126 | 4c8732d7 | bellard | { |
127 | 4c8732d7 | bellard | uint8_t *d; |
128 | 4c8732d7 | bellard | int x, y;
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129 | 4c8732d7 | bellard | unsigned bits;
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130 | 4c8732d7 | bellard | unsigned int col; |
131 | 4c8732d7 | bellard | unsigned bitmask;
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132 | 4c8732d7 | bellard | unsigned index;
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133 | 4c8732d7 | bellard | int srcskipleft = 0; |
134 | 4c8732d7 | bellard | |
135 | 4c8732d7 | bellard | col = s->cirrus_blt_bgcol; |
136 | 4c8732d7 | bellard | for(y = 0; y < bltheight; y++) { |
137 | 4c8732d7 | bellard | bitmask = 0x80 >> srcskipleft;
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138 | 4c8732d7 | bellard | bits = *src++; |
139 | 4c8732d7 | bellard | d = dst; |
140 | 4c8732d7 | bellard | for (x = 0; x < bltwidth; x += (DEPTH / 8)) { |
141 | 4c8732d7 | bellard | if ((bitmask & 0xff) == 0) { |
142 | 4c8732d7 | bellard | bitmask = 0x80;
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143 | 4c8732d7 | bellard | bits = *src++; |
144 | 4c8732d7 | bellard | } |
145 | 4c8732d7 | bellard | index = (bits & bitmask); |
146 | 4c8732d7 | bellard | if (!index) {
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147 | 4c8732d7 | bellard | PUTPIXEL(); |
148 | 4c8732d7 | bellard | } |
149 | 4c8732d7 | bellard | d += (DEPTH / 8);
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150 | 4c8732d7 | bellard | bitmask >>= 1;
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151 | 4c8732d7 | bellard | } |
152 | a5082316 | bellard | dst += dstpitch; |
153 | a5082316 | bellard | } |
154 | a5082316 | bellard | } |
155 | a5082316 | bellard | |
156 | a5082316 | bellard | static void |
157 | a5082316 | bellard | glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH) |
158 | a5082316 | bellard | (CirrusVGAState * s, uint8_t * dst, |
159 | 4c8732d7 | bellard | const uint8_t * src,
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160 | a5082316 | bellard | int dstpitch, int srcpitch, |
161 | a5082316 | bellard | int bltwidth, int bltheight) |
162 | a5082316 | bellard | { |
163 | a5082316 | bellard | uint32_t colors[2];
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164 | a5082316 | bellard | uint8_t *d; |
165 | a5082316 | bellard | int x, y;
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166 | a5082316 | bellard | unsigned bits;
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167 | a5082316 | bellard | unsigned int col; |
168 | a5082316 | bellard | unsigned bitmask;
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169 | a5082316 | bellard | int srcskipleft = 0; |
170 | a5082316 | bellard | |
171 | a5082316 | bellard | colors[0] = s->cirrus_blt_bgcol;
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172 | a5082316 | bellard | colors[1] = s->cirrus_blt_fgcol;
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173 | a5082316 | bellard | for(y = 0; y < bltheight; y++) { |
174 | a5082316 | bellard | bitmask = 0x80 >> srcskipleft;
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175 | a5082316 | bellard | bits = *src++; |
176 | a5082316 | bellard | d = dst; |
177 | a5082316 | bellard | for (x = 0; x < bltwidth; x += (DEPTH / 8)) { |
178 | a5082316 | bellard | if ((bitmask & 0xff) == 0) { |
179 | a5082316 | bellard | bitmask = 0x80;
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180 | a5082316 | bellard | bits = *src++; |
181 | a5082316 | bellard | } |
182 | a5082316 | bellard | col = colors[!!(bits & bitmask)]; |
183 | a5082316 | bellard | PUTPIXEL(); |
184 | a5082316 | bellard | d += (DEPTH / 8);
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185 | a5082316 | bellard | bitmask >>= 1;
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186 | a5082316 | bellard | } |
187 | a5082316 | bellard | dst += dstpitch; |
188 | a5082316 | bellard | } |
189 | a5082316 | bellard | } |
190 | a5082316 | bellard | |
191 | a5082316 | bellard | static void |
192 | a5082316 | bellard | glue(glue(glue(cirrus_fill_, ROP_NAME), _),DEPTH) |
193 | a5082316 | bellard | (CirrusVGAState *s, |
194 | a5082316 | bellard | uint8_t *dst, int dst_pitch,
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195 | a5082316 | bellard | int width, int height) |
196 | a5082316 | bellard | { |
197 | a5082316 | bellard | uint8_t *d, *d1; |
198 | a5082316 | bellard | uint32_t col; |
199 | a5082316 | bellard | int x, y;
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200 | a5082316 | bellard | |
201 | a5082316 | bellard | col = s->cirrus_blt_fgcol; |
202 | a5082316 | bellard | |
203 | a5082316 | bellard | d1 = dst; |
204 | a5082316 | bellard | for(y = 0; y < height; y++) { |
205 | a5082316 | bellard | d = d1; |
206 | a5082316 | bellard | for(x = 0; x < width; x += (DEPTH / 8)) { |
207 | a5082316 | bellard | PUTPIXEL(); |
208 | a5082316 | bellard | d += (DEPTH / 8);
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209 | a5082316 | bellard | } |
210 | a5082316 | bellard | d1 += dst_pitch; |
211 | a5082316 | bellard | } |
212 | a5082316 | bellard | } |
213 | a5082316 | bellard | |
214 | a5082316 | bellard | #undef DEPTH
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215 | a5082316 | bellard | #undef PUTPIXEL |