2 * QEMU VGA Emulator templates
4 * Copyright (c) 2003 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
27 #define PIXEL_TYPE uint8_t
28 #elif DEPTH == 15 || DEPTH == 16
30 #define PIXEL_TYPE uint16_t
33 #define PIXEL_TYPE uint32_t
35 #error unsupport depth
40 static inline void glue(vga_draw_glyph_line_
, DEPTH
)(uint8_t *d
,
46 ((uint32_t *)d
)[0] = (dmask16
[(font_data
>> 4)] & xorcol
) ^ bgcol
;
47 ((uint32_t *)d
)[1] = (dmask16
[(font_data
>> 0) & 0xf] & xorcol
) ^ bgcol
;
49 ((uint32_t *)d
)[0] = (dmask4
[(font_data
>> 6)] & xorcol
) ^ bgcol
;
50 ((uint32_t *)d
)[1] = (dmask4
[(font_data
>> 4) & 3] & xorcol
) ^ bgcol
;
51 ((uint32_t *)d
)[2] = (dmask4
[(font_data
>> 2) & 3] & xorcol
) ^ bgcol
;
52 ((uint32_t *)d
)[3] = (dmask4
[(font_data
>> 0) & 3] & xorcol
) ^ bgcol
;
54 ((uint32_t *)d
)[0] = (-((font_data
>> 7)) & xorcol
) ^ bgcol
;
55 ((uint32_t *)d
)[1] = (-((font_data
>> 6) & 1) & xorcol
) ^ bgcol
;
56 ((uint32_t *)d
)[2] = (-((font_data
>> 5) & 1) & xorcol
) ^ bgcol
;
57 ((uint32_t *)d
)[3] = (-((font_data
>> 4) & 1) & xorcol
) ^ bgcol
;
58 ((uint32_t *)d
)[4] = (-((font_data
>> 3) & 1) & xorcol
) ^ bgcol
;
59 ((uint32_t *)d
)[5] = (-((font_data
>> 2) & 1) & xorcol
) ^ bgcol
;
60 ((uint32_t *)d
)[6] = (-((font_data
>> 1) & 1) & xorcol
) ^ bgcol
;
61 ((uint32_t *)d
)[7] = (-((font_data
>> 0) & 1) & xorcol
) ^ bgcol
;
65 static void glue(vga_draw_glyph8_
, DEPTH
)(uint8_t *d
, int linesize
,
66 const uint8_t *font_ptr
, int h
,
67 uint32_t fgcol
, uint32_t bgcol
)
69 uint32_t font_data
, xorcol
;
71 xorcol
= bgcol
^ fgcol
;
73 font_data
= font_ptr
[0];
74 glue(vga_draw_glyph_line_
, DEPTH
)(d
, font_data
, xorcol
, bgcol
);
80 static void glue(vga_draw_glyph16_
, DEPTH
)(uint8_t *d
, int linesize
,
81 const uint8_t *font_ptr
, int h
,
82 uint32_t fgcol
, uint32_t bgcol
)
84 uint32_t font_data
, xorcol
;
86 xorcol
= bgcol
^ fgcol
;
88 font_data
= font_ptr
[0];
89 glue(vga_draw_glyph_line_
, DEPTH
)(d
,
90 expand4to8
[font_data
>> 4],
92 glue(vga_draw_glyph_line_
, DEPTH
)(d
+ 8 * BPP
,
93 expand4to8
[font_data
& 0x0f],
100 static void glue(vga_draw_glyph9_
, DEPTH
)(uint8_t *d
, int linesize
,
101 const uint8_t *font_ptr
, int h
,
102 uint32_t fgcol
, uint32_t bgcol
, int dup9
)
104 uint32_t font_data
, xorcol
, v
;
106 xorcol
= bgcol
^ fgcol
;
108 font_data
= font_ptr
[0];
110 cpu_to_32wu((uint32_t *)d
, (dmask16
[(font_data
>> 4)] & xorcol
) ^ bgcol
);
111 v
= (dmask16
[(font_data
>> 0) & 0xf] & xorcol
) ^ bgcol
;
112 cpu_to_32wu(((uint32_t *)d
)+1, v
);
114 ((uint8_t *)d
)[8] = v
>> (24 * (1 - BIG
));
116 ((uint8_t *)d
)[8] = bgcol
;
119 cpu_to_32wu(((uint32_t *)d
)+0, (dmask4
[(font_data
>> 6)] & xorcol
) ^ bgcol
);
120 cpu_to_32wu(((uint32_t *)d
)+1, (dmask4
[(font_data
>> 4) & 3] & xorcol
) ^ bgcol
);
121 cpu_to_32wu(((uint32_t *)d
)+2, (dmask4
[(font_data
>> 2) & 3] & xorcol
) ^ bgcol
);
122 v
= (dmask4
[(font_data
>> 0) & 3] & xorcol
) ^ bgcol
;
123 cpu_to_32wu(((uint32_t *)d
)+3, v
);
125 ((uint16_t *)d
)[8] = v
>> (16 * (1 - BIG
));
127 ((uint16_t *)d
)[8] = bgcol
;
129 ((uint32_t *)d
)[0] = (-((font_data
>> 7)) & xorcol
) ^ bgcol
;
130 ((uint32_t *)d
)[1] = (-((font_data
>> 6) & 1) & xorcol
) ^ bgcol
;
131 ((uint32_t *)d
)[2] = (-((font_data
>> 5) & 1) & xorcol
) ^ bgcol
;
132 ((uint32_t *)d
)[3] = (-((font_data
>> 4) & 1) & xorcol
) ^ bgcol
;
133 ((uint32_t *)d
)[4] = (-((font_data
>> 3) & 1) & xorcol
) ^ bgcol
;
134 ((uint32_t *)d
)[5] = (-((font_data
>> 2) & 1) & xorcol
) ^ bgcol
;
135 ((uint32_t *)d
)[6] = (-((font_data
>> 1) & 1) & xorcol
) ^ bgcol
;
136 v
= (-((font_data
>> 0) & 1) & xorcol
) ^ bgcol
;
137 ((uint32_t *)d
)[7] = v
;
139 ((uint32_t *)d
)[8] = v
;
141 ((uint32_t *)d
)[8] = bgcol
;
151 static void glue(vga_draw_line2_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
152 const uint8_t *s
, int width
)
154 uint32_t plane_mask
, *palette
, data
, v
;
157 palette
= s1
->last_palette
;
158 plane_mask
= mask16
[s1
->ar
[0x12] & 0xf];
160 for(x
= 0; x
< width
; x
++) {
161 data
= ((uint32_t *)s
)[0];
163 v
= expand2
[GET_PLANE(data
, 0)];
164 v
|= expand2
[GET_PLANE(data
, 2)] << 2;
165 ((PIXEL_TYPE
*)d
)[0] = palette
[v
>> 12];
166 ((PIXEL_TYPE
*)d
)[1] = palette
[(v
>> 8) & 0xf];
167 ((PIXEL_TYPE
*)d
)[2] = palette
[(v
>> 4) & 0xf];
168 ((PIXEL_TYPE
*)d
)[3] = palette
[(v
>> 0) & 0xf];
170 v
= expand2
[GET_PLANE(data
, 1)];
171 v
|= expand2
[GET_PLANE(data
, 3)] << 2;
172 ((PIXEL_TYPE
*)d
)[4] = palette
[v
>> 12];
173 ((PIXEL_TYPE
*)d
)[5] = palette
[(v
>> 8) & 0xf];
174 ((PIXEL_TYPE
*)d
)[6] = palette
[(v
>> 4) & 0xf];
175 ((PIXEL_TYPE
*)d
)[7] = palette
[(v
>> 0) & 0xf];
182 #define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v)
184 #define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v)
186 #define PUT_PIXEL2(d, n, v) \
187 ((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v)
191 * 4 color mode, dup2 horizontal
193 static void glue(vga_draw_line2d2_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
194 const uint8_t *s
, int width
)
196 uint32_t plane_mask
, *palette
, data
, v
;
199 palette
= s1
->last_palette
;
200 plane_mask
= mask16
[s1
->ar
[0x12] & 0xf];
202 for(x
= 0; x
< width
; x
++) {
203 data
= ((uint32_t *)s
)[0];
205 v
= expand2
[GET_PLANE(data
, 0)];
206 v
|= expand2
[GET_PLANE(data
, 2)] << 2;
207 PUT_PIXEL2(d
, 0, palette
[v
>> 12]);
208 PUT_PIXEL2(d
, 1, palette
[(v
>> 8) & 0xf]);
209 PUT_PIXEL2(d
, 2, palette
[(v
>> 4) & 0xf]);
210 PUT_PIXEL2(d
, 3, palette
[(v
>> 0) & 0xf]);
212 v
= expand2
[GET_PLANE(data
, 1)];
213 v
|= expand2
[GET_PLANE(data
, 3)] << 2;
214 PUT_PIXEL2(d
, 4, palette
[v
>> 12]);
215 PUT_PIXEL2(d
, 5, palette
[(v
>> 8) & 0xf]);
216 PUT_PIXEL2(d
, 6, palette
[(v
>> 4) & 0xf]);
217 PUT_PIXEL2(d
, 7, palette
[(v
>> 0) & 0xf]);
226 static void glue(vga_draw_line4_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
227 const uint8_t *s
, int width
)
229 uint32_t plane_mask
, data
, v
, *palette
;
232 palette
= s1
->last_palette
;
233 plane_mask
= mask16
[s1
->ar
[0x12] & 0xf];
235 for(x
= 0; x
< width
; x
++) {
236 data
= ((uint32_t *)s
)[0];
238 v
= expand4
[GET_PLANE(data
, 0)];
239 v
|= expand4
[GET_PLANE(data
, 1)] << 1;
240 v
|= expand4
[GET_PLANE(data
, 2)] << 2;
241 v
|= expand4
[GET_PLANE(data
, 3)] << 3;
242 ((PIXEL_TYPE
*)d
)[0] = palette
[v
>> 28];
243 ((PIXEL_TYPE
*)d
)[1] = palette
[(v
>> 24) & 0xf];
244 ((PIXEL_TYPE
*)d
)[2] = palette
[(v
>> 20) & 0xf];
245 ((PIXEL_TYPE
*)d
)[3] = palette
[(v
>> 16) & 0xf];
246 ((PIXEL_TYPE
*)d
)[4] = palette
[(v
>> 12) & 0xf];
247 ((PIXEL_TYPE
*)d
)[5] = palette
[(v
>> 8) & 0xf];
248 ((PIXEL_TYPE
*)d
)[6] = palette
[(v
>> 4) & 0xf];
249 ((PIXEL_TYPE
*)d
)[7] = palette
[(v
>> 0) & 0xf];
256 * 16 color mode, dup2 horizontal
258 static void glue(vga_draw_line4d2_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
259 const uint8_t *s
, int width
)
261 uint32_t plane_mask
, data
, v
, *palette
;
264 palette
= s1
->last_palette
;
265 plane_mask
= mask16
[s1
->ar
[0x12] & 0xf];
267 for(x
= 0; x
< width
; x
++) {
268 data
= ((uint32_t *)s
)[0];
270 v
= expand4
[GET_PLANE(data
, 0)];
271 v
|= expand4
[GET_PLANE(data
, 1)] << 1;
272 v
|= expand4
[GET_PLANE(data
, 2)] << 2;
273 v
|= expand4
[GET_PLANE(data
, 3)] << 3;
274 PUT_PIXEL2(d
, 0, palette
[v
>> 28]);
275 PUT_PIXEL2(d
, 1, palette
[(v
>> 24) & 0xf]);
276 PUT_PIXEL2(d
, 2, palette
[(v
>> 20) & 0xf]);
277 PUT_PIXEL2(d
, 3, palette
[(v
>> 16) & 0xf]);
278 PUT_PIXEL2(d
, 4, palette
[(v
>> 12) & 0xf]);
279 PUT_PIXEL2(d
, 5, palette
[(v
>> 8) & 0xf]);
280 PUT_PIXEL2(d
, 6, palette
[(v
>> 4) & 0xf]);
281 PUT_PIXEL2(d
, 7, palette
[(v
>> 0) & 0xf]);
288 * 256 color mode, double pixels
290 * XXX: add plane_mask support (never used in standard VGA modes)
292 static void glue(vga_draw_line8d2_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
293 const uint8_t *s
, int width
)
298 palette
= s1
->last_palette
;
300 for(x
= 0; x
< width
; x
++) {
301 PUT_PIXEL2(d
, 0, palette
[s
[0]]);
302 PUT_PIXEL2(d
, 1, palette
[s
[1]]);
303 PUT_PIXEL2(d
, 2, palette
[s
[2]]);
304 PUT_PIXEL2(d
, 3, palette
[s
[3]]);
311 * standard 256 color mode
313 * XXX: add plane_mask support (never used in standard VGA modes)
315 static void glue(vga_draw_line8_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
316 const uint8_t *s
, int width
)
321 palette
= s1
->last_palette
;
323 for(x
= 0; x
< width
; x
++) {
324 ((PIXEL_TYPE
*)d
)[0] = palette
[s
[0]];
325 ((PIXEL_TYPE
*)d
)[1] = palette
[s
[1]];
326 ((PIXEL_TYPE
*)d
)[2] = palette
[s
[2]];
327 ((PIXEL_TYPE
*)d
)[3] = palette
[s
[3]];
328 ((PIXEL_TYPE
*)d
)[4] = palette
[s
[4]];
329 ((PIXEL_TYPE
*)d
)[5] = palette
[s
[5]];
330 ((PIXEL_TYPE
*)d
)[6] = palette
[s
[6]];
331 ((PIXEL_TYPE
*)d
)[7] = palette
[s
[7]];
337 #endif /* DEPTH != 15 */
345 static void glue(vga_draw_line15_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
346 const uint8_t *s
, int width
)
348 #if DEPTH == 15 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
349 memcpy(d
, s
, width
* 2);
356 v
= lduw_raw((void *)s
);
360 ((PIXEL_TYPE
*)d
)[0] = glue(rgb_to_pixel
, DEPTH
)(r
, g
, b
);
370 static void glue(vga_draw_line16_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
371 const uint8_t *s
, int width
)
373 #if DEPTH == 16 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
374 memcpy(d
, s
, width
* 2);
381 v
= lduw_raw((void *)s
);
385 ((PIXEL_TYPE
*)d
)[0] = glue(rgb_to_pixel
, DEPTH
)(r
, g
, b
);
395 static void glue(vga_draw_line24_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
396 const uint8_t *s
, int width
)
403 #if defined(TARGET_WORDS_BIGENDIAN)
412 ((PIXEL_TYPE
*)d
)[0] = glue(rgb_to_pixel
, DEPTH
)(r
, g
, b
);
421 static void glue(vga_draw_line32_
, DEPTH
)(VGAState
*s1
, uint8_t *d
,
422 const uint8_t *s
, int width
)
424 #if DEPTH == 32 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
425 memcpy(d
, s
, width
* 4);
432 #if defined(TARGET_WORDS_BIGENDIAN)
441 ((PIXEL_TYPE
*)d
)[0] = glue(rgb_to_pixel
, DEPTH
)(r
, g
, b
);
449 void glue(vga_draw_cursor_line_
, DEPTH
)(uint8_t *d1
,
454 unsigned int color_xor
)
456 const uint8_t *plane0
, *plane1
;
462 plane1
= src1
+ poffset
;
463 for(x
= 0; x
< w
; x
++) {
464 b0
= (plane0
[x
>> 3] >> (7 - (x
& 7))) & 1;
465 b1
= (plane1
[x
>> 3] >> (7 - (x
& 7))) & 1;
467 switch(b0
| (b1
<< 1)) {
481 switch(b0
| (b1
<< 1)) {
485 ((uint16_t *)d
)[0] ^= color_xor
;
488 ((uint16_t *)d
)[0] = color0
;
491 ((uint16_t *)d
)[0] = color1
;
495 switch(b0
| (b1
<< 1)) {
499 ((uint32_t *)d
)[0] ^= color_xor
;
502 ((uint32_t *)d
)[0] = color0
;
505 ((uint32_t *)d
)[0] = color1
;
509 #error unsupported depth