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DevVGATmpl.h

Last change on this file was 98103, checked in by vboxsync, 16 months ago
Copyright year updates by scm.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 18.2 KB

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1	/* $Id: DevVGATmpl.h 98103 2023-01-17 14:15:46Z vboxsync $ */
2	/** @file
3	* DevVGA - VBox VGA/VESA device, code templates.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	* --------------------------------------------------------------------
27	*
28	* This code is based on:
29	*
30	* QEMU VGA Emulator templates
31	*
32	* Copyright (c) 2003 Fabrice Bellard
33	*
34	* Permission is hereby granted, free of charge, to any person obtaining a copy
35	* of this software and associated documentation files (the "Software"), to deal
36	* in the Software without restriction, including without limitation the rights
37	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
38	* copies of the Software, and to permit persons to whom the Software is
39	* furnished to do so, subject to the following conditions:
40	*
41	* The above copyright notice and this permission notice shall be included in
42	* all copies or substantial portions of the Software.
43	*
44	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
45	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
46	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
47	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
48	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
49	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
50	* THE SOFTWARE.
51	*/
52
53	#if DEPTH == 8
54	#define BPP 1
55	#define PIXEL_TYPE uint8_t
56	#elif DEPTH == 15 \|\| DEPTH == 16
57	#define BPP 2
58	#define PIXEL_TYPE uint16_t
59	#elif DEPTH == 32
60	#define BPP 4
61	#define PIXEL_TYPE uint32_t
62	#else
63	#error unsupport depth
64	#endif
65
66	#if DEPTH != 15
67
68	static inline void RT_CONCAT(vga_draw_glyph_line_, DEPTH)(uint8_t *d,
69	int font_data,
70	uint32_t xorcol,
71	uint32_t bgcol,
72	int dscan,
73	int linesize)
74	{
75	#if BPP == 1
76	((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
77	((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
78	if (dscan) {
79	uint8_t *c = d + linesize;
80	((uint32_t )c)[0] = ((uint32_t )d)[0];
81	((uint32_t )c)[1] = ((uint32_t )d)[1];
82	}
83	#elif BPP == 2
84	((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
85	((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
86	((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
87	((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
88	if (dscan)
89	memcpy(d + linesize, d, 4 * sizeof(uint32_t));
90	#else
91	((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
92	((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
93	((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
94	((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
95	((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
96	((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
97	((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
98	((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
99	if (dscan)
100	memcpy(d + linesize, d, 8 * sizeof(uint32_t));
101	#endif
102	}
103
104	static void RT_CONCAT(vga_draw_glyph8_, DEPTH)(uint8_t *d, int linesize,
105	const uint8_t *font_ptr, int h,
106	uint32_t fgcol, uint32_t bgcol, int dscan)
107	{
108	uint32_t xorcol;
109	int font_data;
110
111	xorcol = bgcol ^ fgcol;
112	do {
113	font_data = font_ptr[0];
114	RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d, font_data, xorcol, bgcol, dscan, linesize);
115	font_ptr += 4;
116	d += linesize << dscan;
117	} while (--h);
118	}
119
120	static void RT_CONCAT(vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize,
121	const uint8_t *font_ptr, int h,
122	uint32_t fgcol, uint32_t bgcol, int dscan)
123	{
124	uint32_t xorcol;
125	int font_data;
126
127	xorcol = bgcol ^ fgcol;
128	do {
129	font_data = font_ptr[0];
130	RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d,
131	expand4to8[font_data >> 4],
132	xorcol, bgcol, dscan, linesize);
133	RT_CONCAT(vga_draw_glyph_line_, DEPTH)(d + 8 * BPP,
134	expand4to8[font_data & 0x0f],
135	xorcol, bgcol, dscan, linesize);
136	font_ptr += 4;
137	d += linesize << dscan;
138	} while (--h);
139	}
140
141	static void RT_CONCAT(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize,
142	const uint8_t *font_ptr, int h,
143	uint32_t fgcol, uint32_t bgcol, int dup9)
144	{
145	uint32_t xorcol, v;
146	int font_data;
147
148	xorcol = bgcol ^ fgcol;
149	do {
150	font_data = font_ptr[0];
151	#if BPP == 1
152	((uint32_t *)d)[0] = RT_H2LE_U32((dmask16[(font_data >> 4)] & xorcol) ^ bgcol);
153	v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
154	((uint32_t *)d)[1] = RT_H2LE_U32(v);
155	if (dup9)
156	((uint8_t )d)[8] = v >> (24 (1 - BIG));
157	else
158	((uint8_t *)d)[8] = bgcol;
159
160	#elif BPP == 2
161	((uint32_t *)d)[0] = RT_H2LE_U32((dmask4[(font_data >> 6)] & xorcol) ^ bgcol);
162	((uint32_t *)d)[1] = RT_H2LE_U32((dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol);
163	((uint32_t *)d)[2] = RT_H2LE_U32((dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol);
164	v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
165	((uint32_t *)d)[3] = RT_H2LE_U32(v);
166	if (dup9)
167	((uint16_t )d)[8] = v >> (16 (1 - BIG));
168	else
169	((uint16_t *)d)[8] = bgcol;
170	#else
171	((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
172	((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
173	((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
174	((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
175	((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
176	((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
177	((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
178	v = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
179	((uint32_t *)d)[7] = v;
180	if (dup9)
181	((uint32_t *)d)[8] = v;
182	else
183	((uint32_t *)d)[8] = bgcol;
184	#endif
185	font_ptr += 4;
186	d += linesize;
187	} while (--h);
188	}
189
190	/*
191	* 4 color mode
192	*/
193	static void RT_CONCAT(vga_draw_line2_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
194	const uint8_t *s, int width)
195	{
196	uint32_t plane_mask, *palette, data, v, src_inc, dwb_mode;
197	int x;
198	RT_NOREF(pThisCC);
199
200	palette = s1->last_palette;
201	plane_mask = mask16[s1->ar[0x12] & 0xf];
202	dwb_mode = (s1->cr[0x14] & 0x40) ? 2 : (s1->cr[0x17] & 0x40) ? 0 : 1;
203	src_inc = 4 << dwb_mode;
204	width >>= 3;
205	for(x = 0; x < width; x++) {
206	data = ((uint32_t *)s)[0];
207	data &= plane_mask;
208	v = expand2[GET_PLANE(data, 0)];
209	v \|= expand2[GET_PLANE(data, 2)] << 2;
210	((PIXEL_TYPE *)d)[0] = palette[v >> 12];
211	((PIXEL_TYPE *)d)[1] = palette[(v >> 8) & 0xf];
212	((PIXEL_TYPE *)d)[2] = palette[(v >> 4) & 0xf];
213	((PIXEL_TYPE *)d)[3] = palette[(v >> 0) & 0xf];
214
215	v = expand2[GET_PLANE(data, 1)];
216	v \|= expand2[GET_PLANE(data, 3)] << 2;
217	((PIXEL_TYPE *)d)[4] = palette[v >> 12];
218	((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
219	((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
220	((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
221	d += BPP * 8;
222	s += src_inc;
223	}
224	}
225
226	#if BPP == 1
227	#define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v)
228	#elif BPP == 2
229	#define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v)
230	#else
231	#define PUT_PIXEL2(d, n, v) \
232	((uint32_t )d)[2(n)] = ((uint32_t )d)[2(n)+1] = (v)
233	#endif
234
235	/*
236	* 4 color mode, dup2 horizontal
237	*/
238	static void RT_CONCAT(vga_draw_line2d2_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
239	const uint8_t *s, int width)
240	{
241	uint32_t plane_mask, *palette, data, v, src_inc, dwb_mode;
242	int x;
243	RT_NOREF(pThisCC);
244
245	palette = s1->last_palette;
246	plane_mask = mask16[s1->ar[0x12] & 0xf];
247	dwb_mode = (s1->cr[0x14] & 0x40) ? 2 : (s1->cr[0x17] & 0x40) ? 0 : 1;
248	src_inc = 4 << dwb_mode;
249	width >>= 3;
250	for(x = 0; x < width; x++) {
251	data = ((uint32_t *)s)[0];
252	data &= plane_mask;
253	v = expand2[GET_PLANE(data, 0)];
254	v \|= expand2[GET_PLANE(data, 2)] << 2;
255	PUT_PIXEL2(d, 0, palette[v >> 12]);
256	PUT_PIXEL2(d, 1, palette[(v >> 8) & 0xf]);
257	PUT_PIXEL2(d, 2, palette[(v >> 4) & 0xf]);
258	PUT_PIXEL2(d, 3, palette[(v >> 0) & 0xf]);
259
260	v = expand2[GET_PLANE(data, 1)];
261	v \|= expand2[GET_PLANE(data, 3)] << 2;
262	PUT_PIXEL2(d, 4, palette[v >> 12]);
263	PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
264	PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
265	PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
266	d += BPP * 16;
267	s += src_inc;
268	}
269	}
270
271	/*
272	* 16 color mode
273	*/
274	static void RT_CONCAT(vga_draw_line4_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
275	const uint8_t *s, int width)
276	{
277	uint32_t plane_mask, data, v, *palette, vram_ofs;
278	int x;
279	RT_NOREF(pThisCC);
280
281	vram_ofs = s - pThisCC->pbVRam;
282	palette = s1->last_palette;
283	plane_mask = mask16[s1->ar[0x12] & 0xf];
284	width >>= 3;
285	for(x = 0; x < width; x++) {
286	s = pThisCC->pbVRam + (vram_ofs & s1->vga_addr_mask);
287	data = ((uint32_t *)s)[0];
288	data &= plane_mask;
289	v = expand4[GET_PLANE(data, 0)];
290	v \|= expand4[GET_PLANE(data, 1)] << 1;
291	v \|= expand4[GET_PLANE(data, 2)] << 2;
292	v \|= expand4[GET_PLANE(data, 3)] << 3;
293	((PIXEL_TYPE *)d)[0] = palette[v >> 28];
294	((PIXEL_TYPE *)d)[1] = palette[(v >> 24) & 0xf];
295	((PIXEL_TYPE *)d)[2] = palette[(v >> 20) & 0xf];
296	((PIXEL_TYPE *)d)[3] = palette[(v >> 16) & 0xf];
297	((PIXEL_TYPE *)d)[4] = palette[(v >> 12) & 0xf];
298	((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
299	((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
300	((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
301	d += BPP * 8;
302	vram_ofs += 4;
303	}
304	}
305
306	/*
307	* 16 color mode, dup2 horizontal
308	*/
309	static void RT_CONCAT(vga_draw_line4d2_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
310	const uint8_t *s, int width)
311	{
312	uint32_t plane_mask, data, v, *palette;
313	int x;
314	RT_NOREF(pThisCC);
315
316	palette = s1->last_palette;
317	plane_mask = mask16[s1->ar[0x12] & 0xf];
318	width >>= 3;
319	for(x = 0; x < width; x++) {
320	data = ((uint32_t *)s)[0];
321	data &= plane_mask;
322	v = expand4[GET_PLANE(data, 0)];
323	v \|= expand4[GET_PLANE(data, 1)] << 1;
324	v \|= expand4[GET_PLANE(data, 2)] << 2;
325	v \|= expand4[GET_PLANE(data, 3)] << 3;
326	PUT_PIXEL2(d, 0, palette[v >> 28]);
327	PUT_PIXEL2(d, 1, palette[(v >> 24) & 0xf]);
328	PUT_PIXEL2(d, 2, palette[(v >> 20) & 0xf]);
329	PUT_PIXEL2(d, 3, palette[(v >> 16) & 0xf]);
330	PUT_PIXEL2(d, 4, palette[(v >> 12) & 0xf]);
331	PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
332	PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
333	PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
334	d += BPP * 16;
335	s += 4;
336	}
337	}
338
339	/*
340	* 256 color mode, double pixels
341	*
342	* XXX: add plane_mask support (never used in standard VGA modes)
343	*/
344	static void RT_CONCAT(vga_draw_line8d2_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
345	const uint8_t *s, int width)
346	{
347	uint32_t *palette;
348	int x;
349	RT_NOREF(pThisCC);
350
351	palette = s1->last_palette;
352	width >>= 3;
353	for(x = 0; x < width; x++) {
354	PUT_PIXEL2(d, 0, palette[s[0]]);
355	PUT_PIXEL2(d, 1, palette[s[1]]);
356	PUT_PIXEL2(d, 2, palette[s[2]]);
357	PUT_PIXEL2(d, 3, palette[s[3]]);
358	d += BPP * 8;
359	s += 4;
360	}
361	}
362
363	/*
364	* standard 256 color mode
365	*
366	* XXX: add plane_mask support (never used in standard VGA modes)
367	*/
368	static void RT_CONCAT(vga_draw_line8_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
369	const uint8_t *s, int width)
370	{
371	uint32_t *palette;
372	int x;
373	RT_NOREF(pThisCC);
374
375	palette = s1->last_palette;
376	width >>= 3;
377	for(x = 0; x < width; x++) {
378	((PIXEL_TYPE *)d)[0] = palette[s[0]];
379	((PIXEL_TYPE *)d)[1] = palette[s[1]];
380	((PIXEL_TYPE *)d)[2] = palette[s[2]];
381	((PIXEL_TYPE *)d)[3] = palette[s[3]];
382	((PIXEL_TYPE *)d)[4] = palette[s[4]];
383	((PIXEL_TYPE *)d)[5] = palette[s[5]];
384	((PIXEL_TYPE *)d)[6] = palette[s[6]];
385	((PIXEL_TYPE *)d)[7] = palette[s[7]];
386	d += BPP * 8;
387	s += 8;
388	}
389	}
390
391	#endif /* DEPTH != 15 */
392
393
394	/* XXX: optimize */
395
396	/*
397	* 15 bit color
398	*/
399	static void RT_CONCAT(vga_draw_line15_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
400	const uint8_t *s, int width)
401	{
402	RT_NOREF(s1, pThisCC);
403	#if DEPTH == 15 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
404	memcpy(d, s, width * 2);
405	#else
406	int w;
407	uint32_t v, r, g, b;
408
409	w = width;
410	do {
411	v = s[0] \| (s[1] << 8);
412	r = (v >> 7) & 0xf8;
413	g = (v >> 2) & 0xf8;
414	b = (v << 3) & 0xf8;
415	((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
416	s += 2;
417	d += BPP;
418	} while (--w != 0);
419	#endif
420	}
421
422	/*
423	* 16 bit color
424	*/
425	static void RT_CONCAT(vga_draw_line16_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
426	const uint8_t *s, int width)
427	{
428	RT_NOREF(s1, pThisCC);
429	#if DEPTH == 16 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
430	memcpy(d, s, width * 2);
431	#else
432	int w;
433	uint32_t v, r, g, b;
434
435	w = width;
436	do {
437	v = s[0] \| (s[1] << 8);
438	r = (v >> 8) & 0xf8;
439	g = (v >> 3) & 0xfc;
440	b = (v << 3) & 0xf8;
441	((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
442	s += 2;
443	d += BPP;
444	} while (--w != 0);
445	#endif
446	}
447
448	/*
449	* 24 bit color
450	*/
451	static void RT_CONCAT(vga_draw_line24_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
452	const uint8_t *s, int width)
453	{
454	int w;
455	uint32_t r, g, b;
456	RT_NOREF(s1, pThisCC);
457
458	w = width;
459	do {
460	#if defined(TARGET_WORDS_BIGENDIAN)
461	r = s[0];
462	g = s[1];
463	b = s[2];
464	#else
465	b = s[0];
466	g = s[1];
467	r = s[2];
468	#endif
469	((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
470	s += 3;
471	d += BPP;
472	} while (--w != 0);
473	}
474
475	/*
476	* 32 bit color
477	*/
478	static void RT_CONCAT(vga_draw_line32_, DEPTH)(VGAState s1, PVGASTATER3 pThisCC, uint8_t d,
479	const uint8_t *s, int width)
480	{
481	RT_NOREF(s1, pThisCC);
482	#if DEPTH == 32 && defined(WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
483	memcpy(d, s, width * 4);
484	#else
485	int w;
486	uint32_t r, g, b;
487
488	w = width;
489	do {
490	#if defined(TARGET_WORDS_BIGENDIAN)
491	r = s[1];
492	g = s[2];
493	b = s[3];
494	#else
495	b = s[0];
496	g = s[1];
497	r = s[2];
498	#endif
499	((PIXEL_TYPE *)d)[0] = RT_CONCAT(rgb_to_pixel, DEPTH)(r, g, b);
500	s += 4;
501	d += BPP;
502	} while (--w != 0);
503	#endif
504	}
505
506	#if DEPTH != 15
507	#ifndef VBOX
508	#ifdef VBOX
509	static
510	#endif/* VBOX */
511	void RT_CONCAT(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
512	const uint8_t *src1,
513	int poffset, int w,
514	unsigned int color0,
515	unsigned int color1,
516	unsigned int color_xor)
517	{
518	const uint8_t plane0, plane1;
519	int x, b0, b1;
520	uint8_t *d;
521
522	d = d1;
523	plane0 = src1;
524	plane1 = src1 + poffset;
525	for(x = 0; x < w; x++) {
526	b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
527	b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
528	#if DEPTH == 8
529	switch(b0 \| (b1 << 1)) {
530	case 0:
531	break;
532	case 1:
533	d[0] ^= color_xor;
534	break;
535	case 2:
536	d[0] = color0;
537	break;
538	case 3:
539	d[0] = color1;
540	break;
541	}
542	#elif DEPTH == 16
543	switch(b0 \| (b1 << 1)) {
544	case 0:
545	break;
546	case 1:
547	((uint16_t *)d)[0] ^= color_xor;
548	break;
549	case 2:
550	((uint16_t *)d)[0] = color0;
551	break;
552	case 3:
553	((uint16_t *)d)[0] = color1;
554	break;
555	}
556	#elif DEPTH == 32
557	switch(b0 \| (b1 << 1)) {
558	case 0:
559	break;
560	case 1:
561	((uint32_t *)d)[0] ^= color_xor;
562	break;
563	case 2:
564	((uint32_t *)d)[0] = color0;
565	break;
566	case 3:
567	((uint32_t *)d)[0] = color1;
568	break;
569	}
570	#else
571	#error unsupported depth
572	#endif
573	d += BPP;
574	}
575	}
576	#endif /* !VBOX */
577	#endif
578
579	#undef PUT_PIXEL2
580	#undef DEPTH
581	#undef BPP
582	#undef PIXEL_TYPE

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGATmpl.h

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