1/*-
2 * Copyright (c) 1991-1997 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software withough specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
| 1/*-
2 * Copyright (c) 1991-1997 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software withough specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
|
28 * $FreeBSD: head/lib/libvgl/simple.c 50476 1999-08-28 00:22:10Z peter $
| 28 * $FreeBSD: head/lib/libvgl/simple.c 53013 1999-11-08 11:37:46Z yokota $
|
29 */
30
31#include <signal.h>
32#include <machine/console.h>
33#include "vgl.h"
34
35static byte VGLSavePaletteRed[256];
36static byte VGLSavePaletteGreen[256];
37static byte VGLSavePaletteBlue[256];
38
39#define ABS(a) (((a)<0) ? -(a) : (a))
40#define SGN(a) (((a)<0) ? -1 : 1)
| 29 */
30
31#include <signal.h>
32#include <machine/console.h>
33#include "vgl.h"
34
35static byte VGLSavePaletteRed[256];
36static byte VGLSavePaletteGreen[256];
37static byte VGLSavePaletteBlue[256];
38
39#define ABS(a) (((a)<0) ? -(a) : (a))
40#define SGN(a) (((a)<0) ? -1 : 1)
|
| 41#define min(x, y) (((x) < (y)) ? (x) : (y))
42#define max(x, y) (((x) > (y)) ? (x) : (y))
|
41
| 43
|
42
| |
43void
44VGLSetXY(VGLBitmap *object, int x, int y, byte color)
45{
| 44void
45VGLSetXY(VGLBitmap *object, int x, int y, byte color)
46{
|
| 47 int offset;
48
|
46 VGLCheckSwitch();
| 49 VGLCheckSwitch();
|
47 if (x>=0 && x<object->Xsize && y>=0 && y<object->Ysize) {
| 50 if (x>=0 && x<object->VXsize && y>=0 && y<object->VYsize) {
|
48 if (!VGLMouseFreeze(x, y, 1, 1, color)) {
49 switch (object->Type) {
50 case MEMBUF:
51 case VIDBUF8:
| 51 if (!VGLMouseFreeze(x, y, 1, 1, color)) {
52 switch (object->Type) {
53 case MEMBUF:
54 case VIDBUF8:
|
52 object->Bitmap[y*object->Xsize+x]=(color);
| 55 object->Bitmap[y*object->VXsize+x]=(color);
|
53 break;
| 56 break;
|
| 57 case VIDBUF8S:
58 object->Bitmap[VGLSetSegment(y*object->VXsize+x)]=(color);
59 break;
|
54 case VIDBUF8X:
55 outb(0x3c4, 0x02);
56 outb(0x3c5, 0x01 << (x&0x3));
| 60 case VIDBUF8X:
61 outb(0x3c4, 0x02);
62 outb(0x3c5, 0x01 << (x&0x3));
|
57 object->Bitmap[(unsigned)(object->Xsize/2*y)+(x/4)] = (color);
| 63 object->Bitmap[(unsigned)(VGLAdpInfo.va_line_width*y)+(x/4)] = (color);
|
58 break;
| 64 break;
|
| 65 case VIDBUF4S:
66 offset = VGLSetSegment(y*VGLAdpInfo.va_line_width + x/8);
67 goto set_planar;
|
59 case VIDBUF4:
| 68 case VIDBUF4:
|
60 outb(0x3c4, 0x02); outb(0x3c5, 0x01);
61 outb(0x3ce, 0x04); outb(0x3cf, 0x00);
62 object->Bitmap[(y*object->Xsize/8+x/8)&0xffff] =
63 ( object->Bitmap[(y*object->Xsize/8+x/8)&0xffff] & ~(0x80>>(x%8)) )
64 | ((color & 0x01) ? (0x80>>(x%8)) : 0);
65 outb(0x3c4, 0x02); outb(0x3c5, 0x02);
66 outb(0x3ce, 0x04); outb(0x3cf, 0x01);
67 object->Bitmap[(y*object->Xsize/8+x/8)&0xffff] =
68 ( object->Bitmap[(y*object->Xsize/8+x/8)&0xffff] & ~(0x80>>(x%8)) )
69 | ((color & 0x02) ? (0x80>>(x%8)) : 0);
70 outb(0x3c4, 0x02); outb(0x3c5, 0x04);
71 outb(0x3ce, 0x04); outb(0x3cf, 0x02);
72 object->Bitmap[(y*object->Xsize/8+x/8)&0xffff] =
73 ( object->Bitmap[(y*object->Xsize/8+x/8)&0xffff] & ~(0x80>>(x%8)) )
74 | ((color & 0x04) ? (0x80>>(x%8)) : 0);
75 outb(0x3c4, 0x02); outb(0x3c5, 0x08);
76 outb(0x3ce, 0x04); outb(0x3cf, 0x03);
77 object->Bitmap[(y*object->Xsize/8+x/8)&0xffff] =
78 ( object->Bitmap[(y*object->Xsize/8+x/8)&0xffff] & ~(0x80>>(x%8)) )
79 | ((color & 0x08) ? (0x80>>(x%8)) : 0);
| 69 offset = y*VGLAdpInfo.va_line_width + x/8;
70set_planar:
71 outb(0x3c4, 0x02); outb(0x3c5, 0x0f);
72 outb(0x3ce, 0x00); outb(0x3cf, color & 0x0f); /* set/reset */
73 outb(0x3ce, 0x01); outb(0x3cf, 0x0f); /* set/reset enable */
74 outb(0x3ce, 0x08); outb(0x3cf, 0x80 >> (x%8)); /* bit mask */
75 object->Bitmap[offset] |= color;
|
80 }
81 }
82 VGLMouseUnFreeze();
83 }
84}
85
86byte
87VGLGetXY(VGLBitmap *object, int x, int y)
88{
| 76 }
77 }
78 VGLMouseUnFreeze();
79 }
80}
81
82byte
83VGLGetXY(VGLBitmap *object, int x, int y)
84{
|
| 85 int offset;
86#if 0
87 int i;
88 byte color;
89 byte mask;
90#endif
91
|
89 VGLCheckSwitch();
| 92 VGLCheckSwitch();
|
| 93 if (x<0 || x>=object->VXsize || y<0 || y>=object->VYsize)
94 return 0;
|
90 switch (object->Type) {
91 case MEMBUF:
92 case VIDBUF8:
| 95 switch (object->Type) {
96 case MEMBUF:
97 case VIDBUF8:
|
93 return object->Bitmap[((y*object->Xsize)+x)];
94 break;
| 98 return object->Bitmap[((y*object->VXsize)+x)];
99 case VIDBUF8S:
100 return object->Bitmap[VGLSetSegment(y*object->VXsize+x)];
|
95 case VIDBUF8X:
96 outb(0x3ce, 0x04); outb(0x3cf, x & 0x3);
| 101 case VIDBUF8X:
102 outb(0x3ce, 0x04); outb(0x3cf, x & 0x3);
|
97 return object->Bitmap[(unsigned)(object->Xsize/2*y)+(x/4)];
98 break;
| 103 return object->Bitmap[(unsigned)(VGLAdpInfo.va_line_width*y)+(x/4)];
104 case VIDBUF4S:
105 offset = VGLSetSegment(y*VGLAdpInfo.va_line_width + x/8);
106 goto get_planar;
|
99 case VIDBUF4:
| 107 case VIDBUF4:
|
100 return (object->Bitmap[((y*object->Xsize/8)+x/8)]&(0x80>>(x%8))) ? 1 : 0;
101 break;
| 108 offset = y*VGLAdpInfo.va_line_width + x/8;
109get_planar:
110#if 1
111 return (object->Bitmap[offset]&(0x80>>(x%8))) ? 1 : 0; /* XXX */
112#else
113 color = 0;
114 mask = 0x80 >> (x%8);
115 for (i = 0; i < VGLModeInfo.vi_planes; i++) {
116 outb(0x3ce, 0x04); outb(0x3cf, i);
117 color |= (object->Bitmap[offset] & mask) ? (1 << i) : 0;
118 }
119 return color;
120#endif
|
102 }
103 return 0;
104}
105
106void
107VGLLine(VGLBitmap *object, int x1, int y1, int x2, int y2, byte color)
108{
109 int d, x, y, ax, ay, sx, sy, dx, dy;
110
111 dx = x2-x1; ax = ABS(dx)<<1; sx = SGN(dx); x = x1;
112 dy = y2-y1; ay = ABS(dy)<<1; sy = SGN(dy); y = y1;
113
114 if (ax>ay) { /* x dominant */
115 d = ay-(ax>>1);
116 for (;;) {
117 VGLSetXY(object, x, y, color);
118 if (x==x2)
119 break;
120 if (d>=0) {
121 y += sy; d -= ax;
122 }
123 x += sx; d += ay;
124 }
125 }
126 else { /* y dominant */
127 d = ax-(ay>>1);
128 for (;;) {
129 VGLSetXY(object, x, y, color);
130 if (y==y2)
131 break;
132 if (d>=0) {
133 x += sx; d -= ay;
134 }
135 y += sy; d += ax;
136 }
137 }
138}
139
140void
141VGLBox(VGLBitmap *object, int x1, int y1, int x2, int y2, byte color)
142{
143 VGLLine(object, x1, y1, x2, y1, color);
144 VGLLine(object, x2, y1, x2, y2, color);
145 VGLLine(object, x2, y2, x1, y2, color);
146 VGLLine(object, x1, y2, x1, y1, color);
147}
148
149void
150VGLFilledBox(VGLBitmap *object, int x1, int y1, int x2, int y2, byte color)
151{
152 int y;
153
154 for (y=y1; y<=y2; y++) VGLLine(object, x1, y, x2, y, color);
155}
156
157void
158inline set4pixels(VGLBitmap *object, int x, int y, int xc, int yc, byte color)
159{
160 if (x!=0) {
161 VGLSetXY(object, xc+x, yc+y, color);
162 VGLSetXY(object, xc-x, yc+y, color);
163 if (y!=0) {
164 VGLSetXY(object, xc+x, yc-y, color);
165 VGLSetXY(object, xc-x, yc-y, color);
166 }
167 }
168 else {
169 VGLSetXY(object, xc, yc+y, color);
170 if (y!=0)
171 VGLSetXY(object, xc, yc-y, color);
172 }
173}
174
175void
176VGLEllipse(VGLBitmap *object, int xc, int yc, int a, int b, byte color)
177{
178 int x = 0, y = b, asq = a*a, asq2 = a*a*2, bsq = b*b;
179 int bsq2 = b*b*2, d = bsq-asq*b+asq/4, dx = 0, dy = asq2*b;
180
181 while (dx<dy) {
182 set4pixels(object, x, y, xc, yc, color);
183 if (d>0) {
184 y--; dy-=asq2; d-=dy;
185 }
186 x++; dx+=bsq2; d+=bsq+dx;
187 }
188 d+=(3*(asq-bsq)/2-(dx+dy))/2;
189 while (y>=0) {
190 set4pixels(object, x, y, xc, yc, color);
191 if (d<0) {
192 x++; dx+=bsq2; d+=dx;
193 }
194 y--; dy-=asq2; d+=asq-dy;
195 }
196}
197
198void
199inline set2lines(VGLBitmap *object, int x, int y, int xc, int yc, byte color)
200{
201 if (x!=0) {
202 VGLLine(object, xc+x, yc+y, xc-x, yc+y, color);
203 if (y!=0)
204 VGLLine(object, xc+x, yc-y, xc-x, yc-y, color);
205 }
206 else {
207 VGLLine(object, xc, yc+y, xc, yc-y, color);
208 }
209}
210
211void
212VGLFilledEllipse(VGLBitmap *object, int xc, int yc, int a, int b, byte color)
213{
214 int x = 0, y = b, asq = a*a, asq2 = a*a*2, bsq = b*b;
215 int bsq2 = b*b*2, d = bsq-asq*b+asq/4, dx = 0, dy = asq2*b;
216
217 while (dx<dy) {
218 set2lines(object, x, y, xc, yc, color);
219 if (d>0) {
220 y--; dy-=asq2; d-=dy;
221 }
222 x++; dx+=bsq2; d+=bsq+dx;
223 }
224 d+=(3*(asq-bsq)/2-(dx+dy))/2;
225 while (y>=0) {
226 set2lines(object, x, y, xc, yc, color);
227 if (d<0) {
228 x++; dx+=bsq2; d+=dx;
229 }
230 y--; dy-=asq2; d+=asq-dy;
231 }
232}
233
234void
235VGLClear(VGLBitmap *object, byte color)
236{
| 121 }
122 return 0;
123}
124
125void
126VGLLine(VGLBitmap *object, int x1, int y1, int x2, int y2, byte color)
127{
128 int d, x, y, ax, ay, sx, sy, dx, dy;
129
130 dx = x2-x1; ax = ABS(dx)<<1; sx = SGN(dx); x = x1;
131 dy = y2-y1; ay = ABS(dy)<<1; sy = SGN(dy); y = y1;
132
133 if (ax>ay) { /* x dominant */
134 d = ay-(ax>>1);
135 for (;;) {
136 VGLSetXY(object, x, y, color);
137 if (x==x2)
138 break;
139 if (d>=0) {
140 y += sy; d -= ax;
141 }
142 x += sx; d += ay;
143 }
144 }
145 else { /* y dominant */
146 d = ax-(ay>>1);
147 for (;;) {
148 VGLSetXY(object, x, y, color);
149 if (y==y2)
150 break;
151 if (d>=0) {
152 x += sx; d -= ay;
153 }
154 y += sy; d += ax;
155 }
156 }
157}
158
159void
160VGLBox(VGLBitmap *object, int x1, int y1, int x2, int y2, byte color)
161{
162 VGLLine(object, x1, y1, x2, y1, color);
163 VGLLine(object, x2, y1, x2, y2, color);
164 VGLLine(object, x2, y2, x1, y2, color);
165 VGLLine(object, x1, y2, x1, y1, color);
166}
167
168void
169VGLFilledBox(VGLBitmap *object, int x1, int y1, int x2, int y2, byte color)
170{
171 int y;
172
173 for (y=y1; y<=y2; y++) VGLLine(object, x1, y, x2, y, color);
174}
175
176void
177inline set4pixels(VGLBitmap *object, int x, int y, int xc, int yc, byte color)
178{
179 if (x!=0) {
180 VGLSetXY(object, xc+x, yc+y, color);
181 VGLSetXY(object, xc-x, yc+y, color);
182 if (y!=0) {
183 VGLSetXY(object, xc+x, yc-y, color);
184 VGLSetXY(object, xc-x, yc-y, color);
185 }
186 }
187 else {
188 VGLSetXY(object, xc, yc+y, color);
189 if (y!=0)
190 VGLSetXY(object, xc, yc-y, color);
191 }
192}
193
194void
195VGLEllipse(VGLBitmap *object, int xc, int yc, int a, int b, byte color)
196{
197 int x = 0, y = b, asq = a*a, asq2 = a*a*2, bsq = b*b;
198 int bsq2 = b*b*2, d = bsq-asq*b+asq/4, dx = 0, dy = asq2*b;
199
200 while (dx<dy) {
201 set4pixels(object, x, y, xc, yc, color);
202 if (d>0) {
203 y--; dy-=asq2; d-=dy;
204 }
205 x++; dx+=bsq2; d+=bsq+dx;
206 }
207 d+=(3*(asq-bsq)/2-(dx+dy))/2;
208 while (y>=0) {
209 set4pixels(object, x, y, xc, yc, color);
210 if (d<0) {
211 x++; dx+=bsq2; d+=dx;
212 }
213 y--; dy-=asq2; d+=asq-dy;
214 }
215}
216
217void
218inline set2lines(VGLBitmap *object, int x, int y, int xc, int yc, byte color)
219{
220 if (x!=0) {
221 VGLLine(object, xc+x, yc+y, xc-x, yc+y, color);
222 if (y!=0)
223 VGLLine(object, xc+x, yc-y, xc-x, yc-y, color);
224 }
225 else {
226 VGLLine(object, xc, yc+y, xc, yc-y, color);
227 }
228}
229
230void
231VGLFilledEllipse(VGLBitmap *object, int xc, int yc, int a, int b, byte color)
232{
233 int x = 0, y = b, asq = a*a, asq2 = a*a*2, bsq = b*b;
234 int bsq2 = b*b*2, d = bsq-asq*b+asq/4, dx = 0, dy = asq2*b;
235
236 while (dx<dy) {
237 set2lines(object, x, y, xc, yc, color);
238 if (d>0) {
239 y--; dy-=asq2; d-=dy;
240 }
241 x++; dx+=bsq2; d+=bsq+dx;
242 }
243 d+=(3*(asq-bsq)/2-(dx+dy))/2;
244 while (y>=0) {
245 set2lines(object, x, y, xc, yc, color);
246 if (d<0) {
247 x++; dx+=bsq2; d+=dx;
248 }
249 y--; dy-=asq2; d+=asq-dy;
250 }
251}
252
253void
254VGLClear(VGLBitmap *object, byte color)
255{
|
| 256 int offset;
257 int len;
258
|
237 VGLCheckSwitch();
238 VGLMouseFreeze(0, 0, object->Xsize, object->Ysize, color);
239 switch (object->Type) {
240 case MEMBUF:
241 case VIDBUF8:
| 259 VGLCheckSwitch();
260 VGLMouseFreeze(0, 0, object->Xsize, object->Ysize, color);
261 switch (object->Type) {
262 case MEMBUF:
263 case VIDBUF8:
|
242 memset(object->Bitmap, color, object->Xsize*object->Ysize);
| 264 memset(object->Bitmap, color, object->VXsize*object->VYsize);
|
243 break;
| 265 break;
|
| 266
267 case VIDBUF8S:
268 for (offset = 0; offset < object->VXsize*object->VYsize; ) {
269 VGLSetSegment(offset);
270 len = min(object->VXsize*object->VYsize - offset,
271 VGLAdpInfo.va_window_size);
272 memset(object->Bitmap, color, len);
273 offset += len;
274 }
275 break;
276
|
244 case VIDBUF8X:
245 /* XXX works only for Xsize % 4 = 0 */
| 277 case VIDBUF8X:
278 /* XXX works only for Xsize % 4 = 0 */
|
| 279 outb(0x3c6, 0xff);
|
246 outb(0x3c4, 0x02); outb(0x3c5, 0x0f);
| 280 outb(0x3c4, 0x02); outb(0x3c5, 0x0f);
|
247 memset(object->Bitmap, color, object->Xsize*object->Ysize/4);
| 281 memset(object->Bitmap, color, VGLAdpInfo.va_line_width*object->VYsize);
|
248 break;
249
250 case VIDBUF4:
| 282 break;
283
284 case VIDBUF4:
|
| 285 case VIDBUF4S:
|
251 /* XXX works only for Xsize % 8 = 0 */
| 286 /* XXX works only for Xsize % 8 = 0 */
|
252 memset(object->Bitmap, color, object->Xsize/8*object->Ysize);
| 287 outb(0x3c4, 0x02); outb(0x3c5, 0x0f);
288 outb(0x3ce, 0x05); outb(0x3cf, 0x02); /* mode 2 */
289 outb(0x3ce, 0x01); outb(0x3cf, 0x00); /* set/reset enable */
290 outb(0x3ce, 0x08); outb(0x3cf, 0xff); /* bit mask */
291 for (offset = 0; offset < VGLAdpInfo.va_line_width*object->VYsize; ) {
292 VGLSetSegment(offset);
293 len = min(object->VXsize*object->VYsize - offset,
294 VGLAdpInfo.va_window_size);
295 memset(object->Bitmap, color, len);
296 offset += len;
297 }
298 outb(0x3ce, 0x05); outb(0x3cf, 0x00);
|
253 break;
254 }
255 VGLMouseUnFreeze();
256}
257
258void
259VGLRestorePalette()
260{
261 int i;
262
263 outb(0x3C6, 0xFF);
264 inb(0x3DA);
265 outb(0x3C8, 0x00);
266 for (i=0; i<256; i++) {
267 outb(0x3C9, VGLSavePaletteRed[i]);
268 inb(0x84);
269 outb(0x3C9, VGLSavePaletteGreen[i]);
270 inb(0x84);
271 outb(0x3C9, VGLSavePaletteBlue[i]);
272 inb(0x84);
273 }
274 inb(0x3DA);
275 outb(0x3C0, 0x20);
276}
277
278void
279VGLSavePalette()
280{
281 int i;
282
283 outb(0x3C6, 0xFF);
284 inb(0x3DA);
285 outb(0x3C7, 0x00);
286 for (i=0; i<256; i++) {
287 VGLSavePaletteRed[i] = inb(0x3C9);
288 inb(0x84);
289 VGLSavePaletteGreen[i] = inb(0x3C9);
290 inb(0x84);
291 VGLSavePaletteBlue[i] = inb(0x3C9);
292 inb(0x84);
293 }
294 inb(0x3DA);
295 outb(0x3C0, 0x20);
296}
297
298void
299VGLSetPalette(byte *red, byte *green, byte *blue)
300{
301 int i;
302
303 for (i=0; i<256; i++) {
304 VGLSavePaletteRed[i] = red[i];
305 VGLSavePaletteGreen[i] = green[i];
306 VGLSavePaletteBlue[i] = blue[i];
307 }
308 VGLCheckSwitch();
309 outb(0x3C6, 0xFF);
310 inb(0x3DA);
311 outb(0x3C8, 0x00);
312 for (i=0; i<256; i++) {
313 outb(0x3C9, VGLSavePaletteRed[i]);
314 inb(0x84);
315 outb(0x3C9, VGLSavePaletteGreen[i]);
316 inb(0x84);
317 outb(0x3C9, VGLSavePaletteBlue[i]);
318 inb(0x84);
319 }
320 inb(0x3DA);
321 outb(0x3C0, 0x20);
322}
323
324void
325VGLSetPaletteIndex(byte color, byte red, byte green, byte blue)
326{
327 VGLSavePaletteRed[color] = red;
328 VGLSavePaletteGreen[color] = green;
329 VGLSavePaletteBlue[color] = blue;
330 VGLCheckSwitch();
331 outb(0x3C6, 0xFF);
332 inb(0x3DA);
333 outb(0x3C8, color);
334 outb(0x3C9, red); outb(0x3C9, green); outb(0x3C9, blue);
335 inb(0x3DA);
336 outb(0x3C0, 0x20);
337}
338
339void
340VGLSetBorder(byte color)
341{
342 VGLCheckSwitch();
343 inb(0x3DA);
344 outb(0x3C0,0x11); outb(0x3C0, color);
345 inb(0x3DA);
346 outb(0x3C0, 0x20);
347}
348
349void
350VGLBlankDisplay(int blank)
351{
352 byte val;
353
354 VGLCheckSwitch();
355 outb(0x3C4, 0x01); val = inb(0x3C5); outb(0x3C4, 0x01);
356 outb(0x3C5, ((blank) ? (val |= 0x20) : (val &= 0xDF)));
357}
| 299 break;
300 }
301 VGLMouseUnFreeze();
302}
303
304void
305VGLRestorePalette()
306{
307 int i;
308
309 outb(0x3C6, 0xFF);
310 inb(0x3DA);
311 outb(0x3C8, 0x00);
312 for (i=0; i<256; i++) {
313 outb(0x3C9, VGLSavePaletteRed[i]);
314 inb(0x84);
315 outb(0x3C9, VGLSavePaletteGreen[i]);
316 inb(0x84);
317 outb(0x3C9, VGLSavePaletteBlue[i]);
318 inb(0x84);
319 }
320 inb(0x3DA);
321 outb(0x3C0, 0x20);
322}
323
324void
325VGLSavePalette()
326{
327 int i;
328
329 outb(0x3C6, 0xFF);
330 inb(0x3DA);
331 outb(0x3C7, 0x00);
332 for (i=0; i<256; i++) {
333 VGLSavePaletteRed[i] = inb(0x3C9);
334 inb(0x84);
335 VGLSavePaletteGreen[i] = inb(0x3C9);
336 inb(0x84);
337 VGLSavePaletteBlue[i] = inb(0x3C9);
338 inb(0x84);
339 }
340 inb(0x3DA);
341 outb(0x3C0, 0x20);
342}
343
344void
345VGLSetPalette(byte *red, byte *green, byte *blue)
346{
347 int i;
348
349 for (i=0; i<256; i++) {
350 VGLSavePaletteRed[i] = red[i];
351 VGLSavePaletteGreen[i] = green[i];
352 VGLSavePaletteBlue[i] = blue[i];
353 }
354 VGLCheckSwitch();
355 outb(0x3C6, 0xFF);
356 inb(0x3DA);
357 outb(0x3C8, 0x00);
358 for (i=0; i<256; i++) {
359 outb(0x3C9, VGLSavePaletteRed[i]);
360 inb(0x84);
361 outb(0x3C9, VGLSavePaletteGreen[i]);
362 inb(0x84);
363 outb(0x3C9, VGLSavePaletteBlue[i]);
364 inb(0x84);
365 }
366 inb(0x3DA);
367 outb(0x3C0, 0x20);
368}
369
370void
371VGLSetPaletteIndex(byte color, byte red, byte green, byte blue)
372{
373 VGLSavePaletteRed[color] = red;
374 VGLSavePaletteGreen[color] = green;
375 VGLSavePaletteBlue[color] = blue;
376 VGLCheckSwitch();
377 outb(0x3C6, 0xFF);
378 inb(0x3DA);
379 outb(0x3C8, color);
380 outb(0x3C9, red); outb(0x3C9, green); outb(0x3C9, blue);
381 inb(0x3DA);
382 outb(0x3C0, 0x20);
383}
384
385void
386VGLSetBorder(byte color)
387{
388 VGLCheckSwitch();
389 inb(0x3DA);
390 outb(0x3C0,0x11); outb(0x3C0, color);
391 inb(0x3DA);
392 outb(0x3C0, 0x20);
393}
394
395void
396VGLBlankDisplay(int blank)
397{
398 byte val;
399
400 VGLCheckSwitch();
401 outb(0x3C4, 0x01); val = inb(0x3C5); outb(0x3C4, 0x01);
402 outb(0x3C5, ((blank) ? (val |= 0x20) : (val &= 0xDF)));
403}
|