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1/* Emacs style mode select -*- C++ -*-
2 *-----------------------------------------------------------------------------
3 *
4 *
5 * PrBoom: a Doom port merged with LxDoom and LSDLDoom
6 * based on BOOM, a modified and improved DOOM engine
7 * Copyright (C) 1999 by
8 * id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
9 * Copyright (C) 1999-2000 by
10 * Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
11 * Copyright 2005, 2006 by
12 * Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
27 * 02111-1307, USA.
28 *
29 * DESCRIPTION:
30 * The actual span/column drawing functions.
31 * Here find the main potential for optimization,
32 * e.g. inline assembly, different algorithms.
33 *
34 *-----------------------------------------------------------------------------*/
35
36#include "doomstat.h"
37#include "w_wad.h"
38#include "r_main.h"
39#include "r_draw.h"
40#include "r_filter.h"
41#include "v_video.h"
42#include "st_stuff.h"
43#include "g_game.h"
44#include "am_map.h"
45#include "lprintf.h"
46
47//
48// All drawing to the view buffer is accomplished in this file.
49// The other refresh files only know about ccordinates,
50// not the architecture of the frame buffer.
51// Conveniently, the frame buffer is a linear one,
52// and we need only the base address,
53// and the total size == width*height*depth/8.,
54//
55
56byte *viewimage;
57int viewwidth;
58int scaledviewwidth;
59int viewheight;
60int viewwindowx;
61int viewwindowy;
62
63// Color tables for different players,
64// translate a limited part to another
65// (color ramps used for suit colors).
66//
67
68// CPhipps - made const*'s
69const byte *tranmap; // translucency filter maps 256x256 // phares
70const byte *main_tranmap; // killough 4/11/98
71
72//
73// R_DrawColumn
74// Source is the top of the column to scale.
75//
76
77// SoM: OPTIMIZE for ANYRES
78typedef enum
79{
80 COL_NONE,
81 COL_OPAQUE,
82 COL_TRANS,
83 COL_FLEXTRANS,
84 COL_FUZZ,
85 COL_FLEXADD
86} columntype_e;
87
88static int temp_x = 0;
89static int tempyl[4], tempyh[4];
90static byte byte_tempbuf[MAX_SCREENHEIGHT * 4];
91static unsigned short short_tempbuf[MAX_SCREENHEIGHT * 4];
92static unsigned int int_tempbuf[MAX_SCREENHEIGHT * 4];
93static int startx = 0;
94static int temptype = COL_NONE;
95static int commontop, commonbot;
96static const byte *temptranmap = NULL;
97// SoM 7-28-04: Fix the fuzz problem.
98static const byte *tempfuzzmap;
99
100//
101// Spectre/Invisibility.
102//
103
104#define FUZZTABLE 50
105// proff 08/17/98: Changed for high-res
106//#define FUZZOFF (SCREENWIDTH)
107#define FUZZOFF 1
108
109static const int fuzzoffset_org[FUZZTABLE] = {
110 FUZZOFF,-FUZZOFF,FUZZOFF,-FUZZOFF,FUZZOFF,FUZZOFF,-FUZZOFF,
111 FUZZOFF,FUZZOFF,-FUZZOFF,FUZZOFF,FUZZOFF,FUZZOFF,-FUZZOFF,
112 FUZZOFF,FUZZOFF,FUZZOFF,-FUZZOFF,-FUZZOFF,-FUZZOFF,-FUZZOFF,
113 FUZZOFF,-FUZZOFF,-FUZZOFF,FUZZOFF,FUZZOFF,FUZZOFF,FUZZOFF,-FUZZOFF,
114 FUZZOFF,-FUZZOFF,FUZZOFF,FUZZOFF,-FUZZOFF,-FUZZOFF,FUZZOFF,
115 FUZZOFF,-FUZZOFF,-FUZZOFF,-FUZZOFF,-FUZZOFF,FUZZOFF,FUZZOFF,
116 FUZZOFF,FUZZOFF,-FUZZOFF,FUZZOFF,FUZZOFF,-FUZZOFF,FUZZOFF
117};
118
119static int fuzzoffset[FUZZTABLE];
120
121static int fuzzpos = 0;
122
123// render pipelines
124#define RDC_STANDARD 1
125#define RDC_TRANSLUCENT 2
126#define RDC_TRANSLATED 4
127#define RDC_FUZZ 8
128// no color mapping
129#define RDC_NOCOLMAP 16
130// filter modes
131#define RDC_DITHERZ 32
132#define RDC_BILINEAR 64
133#define RDC_ROUNDED 128
134
135draw_vars_t drawvars = {
136 NULL, // byte_topleft
137 NULL, // short_topleft
138 NULL, // int_topleft
139 0, // byte_pitch
140 0, // short_pitch
141 0, // int_pitch
142 RDRAW_FILTER_POINT, // filterwall
143 RDRAW_FILTER_POINT, // filterfloor
144 RDRAW_FILTER_POINT, // filtersprite
145 RDRAW_FILTER_POINT, // filterz
146 RDRAW_FILTER_POINT, // filterpatch
147
148 RDRAW_MASKEDCOLUMNEDGE_SQUARE, // sprite_edges
149 RDRAW_MASKEDCOLUMNEDGE_SQUARE, // patch_edges
150
151 // 49152 = FRACUNIT * 0.75
152 // 81920 = FRACUNIT * 1.25
153 49152 // mag_threshold
154};
155
156//
157// Error functions that will abort if R_FlushColumns tries to flush
158// columns without a column type.
159//
160
161static void R_FlushWholeError(void)
162{
163 I_Error("R_FlushWholeColumns called without being initialized.\n");
164}
165
166static void R_FlushHTError(void)
167{
168 I_Error("R_FlushHTColumns called without being initialized.\n");
169}
170
171static void R_QuadFlushError(void)
172{
173 I_Error("R_FlushQuadColumn called without being initialized.\n");
174}
175
176static void (*R_FlushWholeColumns)(void) = R_FlushWholeError;
177static void (*R_FlushHTColumns)(void) = R_FlushHTError;
178static void (*R_FlushQuadColumn)(void) = R_QuadFlushError;
179
180static void R_FlushColumns(void)
181{
182 if(temp_x != 4 || commontop >= commonbot)
183 R_FlushWholeColumns();
184 else
185 {
186 R_FlushHTColumns();
187 R_FlushQuadColumn();
188 }
189 temp_x = 0;
190}
191
192//
193// R_ResetColumnBuffer
194//
195// haleyjd 09/13/04: new function to call from main rendering loop
196// which gets rid of the unnecessary reset of various variables during
197// column drawing.
198//
199void R_ResetColumnBuffer(void)
200{
201 // haleyjd 10/06/05: this must not be done if temp_x == 0!
202 if(temp_x)
203 R_FlushColumns();
204 temptype = COL_NONE;
205 R_FlushWholeColumns = R_FlushWholeError;
206 R_FlushHTColumns = R_FlushHTError;
207 R_FlushQuadColumn = R_QuadFlushError;
208}
209
210#define R_DRAWCOLUMN_PIPELINE RDC_STANDARD
211#define R_DRAWCOLUMN_PIPELINE_BITS 8
212#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole8
213#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT8
214#define R_FLUSHQUAD_FUNCNAME R_FlushQuad8
215#include "r_drawflush.inl"
216
217#define R_DRAWCOLUMN_PIPELINE RDC_TRANSLUCENT
218#define R_DRAWCOLUMN_PIPELINE_BITS 8
219#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeTL8
220#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTTL8
221#define R_FLUSHQUAD_FUNCNAME R_FlushQuadTL8
222#include "r_drawflush.inl"
223
224#define R_DRAWCOLUMN_PIPELINE RDC_FUZZ
225#define R_DRAWCOLUMN_PIPELINE_BITS 8
226#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeFuzz8
227#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTFuzz8
228#define R_FLUSHQUAD_FUNCNAME R_FlushQuadFuzz8
229#include "r_drawflush.inl"
230
231#define R_DRAWCOLUMN_PIPELINE RDC_STANDARD
232#define R_DRAWCOLUMN_PIPELINE_BITS 15
233#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole15
234#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT15
235#define R_FLUSHQUAD_FUNCNAME R_FlushQuad15
236#include "r_drawflush.inl"
237
238#define R_DRAWCOLUMN_PIPELINE RDC_TRANSLUCENT
239#define R_DRAWCOLUMN_PIPELINE_BITS 15
240#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeTL15
241#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTTL15
242#define R_FLUSHQUAD_FUNCNAME R_FlushQuadTL15
243#include "r_drawflush.inl"
244
245#define R_DRAWCOLUMN_PIPELINE RDC_FUZZ
246#define R_DRAWCOLUMN_PIPELINE_BITS 15
247#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeFuzz15
248#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTFuzz15
249#define R_FLUSHQUAD_FUNCNAME R_FlushQuadFuzz15
250#include "r_drawflush.inl"
251
252#define R_DRAWCOLUMN_PIPELINE RDC_STANDARD
253#define R_DRAWCOLUMN_PIPELINE_BITS 16
254#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole16
255#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT16
256#define R_FLUSHQUAD_FUNCNAME R_FlushQuad16
257#include "r_drawflush.inl"
258
259#define R_DRAWCOLUMN_PIPELINE RDC_TRANSLUCENT
260#define R_DRAWCOLUMN_PIPELINE_BITS 16
261#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeTL16
262#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTTL16
263#define R_FLUSHQUAD_FUNCNAME R_FlushQuadTL16
264#include "r_drawflush.inl"
265
266#define R_DRAWCOLUMN_PIPELINE RDC_FUZZ
267#define R_DRAWCOLUMN_PIPELINE_BITS 16
268#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeFuzz16
269#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTFuzz16
270#define R_FLUSHQUAD_FUNCNAME R_FlushQuadFuzz16
271#include "r_drawflush.inl"
272
273#define R_DRAWCOLUMN_PIPELINE RDC_STANDARD
274#define R_DRAWCOLUMN_PIPELINE_BITS 32
275#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole32
276#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT32
277#define R_FLUSHQUAD_FUNCNAME R_FlushQuad32
278#include "r_drawflush.inl"
279
280#define R_DRAWCOLUMN_PIPELINE RDC_TRANSLUCENT
281#define R_DRAWCOLUMN_PIPELINE_BITS 32
282#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeTL32
283#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTTL32
284#define R_FLUSHQUAD_FUNCNAME R_FlushQuadTL32
285#include "r_drawflush.inl"
286
287#define R_DRAWCOLUMN_PIPELINE RDC_FUZZ
288#define R_DRAWCOLUMN_PIPELINE_BITS 32
289#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeFuzz32
290#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTFuzz32
291#define R_FLUSHQUAD_FUNCNAME R_FlushQuadFuzz32
292#include "r_drawflush.inl"
293
294//
295// R_DrawColumn
296//
297
298//
299// A column is a vertical slice/span from a wall texture that,
300// given the DOOM style restrictions on the view orientation,
301// will always have constant z depth.
302// Thus a special case loop for very fast rendering can
303// be used. It has also been used with Wolfenstein 3D.
304//
305
306byte *translationtables;
307
308#define R_DRAWCOLUMN_PIPELINE_TYPE RDC_PIPELINE_STANDARD
309#define R_DRAWCOLUMN_PIPELINE_BASE RDC_STANDARD
310
311#define R_DRAWCOLUMN_PIPELINE_BITS 8
312#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawColumn8 ## postfix
313#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole8
314#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT8
315#define R_FLUSHQUAD_FUNCNAME R_FlushQuad8
316#include "r_drawcolpipeline.inl"
317
318#define R_DRAWCOLUMN_PIPELINE_BITS 15
319#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawColumn15 ## postfix
320#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole15
321#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT15
322#define R_FLUSHQUAD_FUNCNAME R_FlushQuad15
323#include "r_drawcolpipeline.inl"
324
325#define R_DRAWCOLUMN_PIPELINE_BITS 16
326#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawColumn16 ## postfix
327#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole16
328#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT16
329#define R_FLUSHQUAD_FUNCNAME R_FlushQuad16
330#include "r_drawcolpipeline.inl"
331
332#define R_DRAWCOLUMN_PIPELINE_BITS 32
333#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawColumn32 ## postfix
334#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole32
335#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT32
336#define R_FLUSHQUAD_FUNCNAME R_FlushQuad32
337#include "r_drawcolpipeline.inl"
338
339#undef R_DRAWCOLUMN_PIPELINE_BASE
340#undef R_DRAWCOLUMN_PIPELINE_TYPE
341
342// Here is the version of R_DrawColumn that deals with translucent // phares
343// textures and sprites. It's identical to R_DrawColumn except // |
344// for the spot where the color index is stuffed into *dest. At // V
345// that point, the existing color index and the new color index
346// are mapped through the TRANMAP lump filters to get a new color
347// index whose RGB values are the average of the existing and new
348// colors.
349//
350// Since we're concerned about performance, the 'translucent or
351// opaque' decision is made outside this routine, not down where the
352// actual code differences are.
353
354#define R_DRAWCOLUMN_PIPELINE_TYPE RDC_PIPELINE_TRANSLUCENT
355#define R_DRAWCOLUMN_PIPELINE_BASE RDC_TRANSLUCENT
356
357#define R_DRAWCOLUMN_PIPELINE_BITS 8
358#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawTLColumn8 ## postfix
359#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeTL8
360#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTTL8
361#define R_FLUSHQUAD_FUNCNAME R_FlushQuadTL8
362#include "r_drawcolpipeline.inl"
363
364#define R_DRAWCOLUMN_PIPELINE_BITS 15
365#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawTLColumn15 ## postfix
366#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeTL15
367#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTTL15
368#define R_FLUSHQUAD_FUNCNAME R_FlushQuadTL15
369#include "r_drawcolpipeline.inl"
370
371#define R_DRAWCOLUMN_PIPELINE_BITS 16
372#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawTLColumn16 ## postfix
373#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeTL16
374#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTTL16
375#define R_FLUSHQUAD_FUNCNAME R_FlushQuadTL16
376#include "r_drawcolpipeline.inl"
377
378#define R_DRAWCOLUMN_PIPELINE_BITS 32
379#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawTLColumn32 ## postfix
380#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeTL32
381#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTTL32
382#define R_FLUSHQUAD_FUNCNAME R_FlushQuadTL32
383#include "r_drawcolpipeline.inl"
384
385#undef R_DRAWCOLUMN_PIPELINE_BASE
386#undef R_DRAWCOLUMN_PIPELINE_TYPE
387
388//
389// R_DrawTranslatedColumn
390// Used to draw player sprites
391// with the green colorramp mapped to others.
392// Could be used with different translation
393// tables, e.g. the lighter colored version
394// of the BaronOfHell, the HellKnight, uses
395// identical sprites, kinda brightened up.
396//
397
398#define R_DRAWCOLUMN_PIPELINE_TYPE RDC_PIPELINE_TRANSLATED
399#define R_DRAWCOLUMN_PIPELINE_BASE RDC_TRANSLATED
400
401#define R_DRAWCOLUMN_PIPELINE_BITS 8
402#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawTranslatedColumn8 ## postfix
403#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole8
404#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT8
405#define R_FLUSHQUAD_FUNCNAME R_FlushQuad8
406#include "r_drawcolpipeline.inl"
407
408#define R_DRAWCOLUMN_PIPELINE_BITS 15
409#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawTranslatedColumn15 ## postfix
410#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole15
411#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT15
412#define R_FLUSHQUAD_FUNCNAME R_FlushQuad15
413#include "r_drawcolpipeline.inl"
414
415#define R_DRAWCOLUMN_PIPELINE_BITS 16
416#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawTranslatedColumn16 ## postfix
417#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole16
418#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT16
419#define R_FLUSHQUAD_FUNCNAME R_FlushQuad16
420#include "r_drawcolpipeline.inl"
421
422#define R_DRAWCOLUMN_PIPELINE_BITS 32
423#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawTranslatedColumn32 ## postfix
424#define R_FLUSHWHOLE_FUNCNAME R_FlushWhole32
425#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHT32
426#define R_FLUSHQUAD_FUNCNAME R_FlushQuad32
427#include "r_drawcolpipeline.inl"
428
429#undef R_DRAWCOLUMN_PIPELINE_BASE
430#undef R_DRAWCOLUMN_PIPELINE_TYPE
431
432//
433// Framebuffer postprocessing.
434// Creates a fuzzy image by copying pixels
435// from adjacent ones to left and right.
436// Used with an all black colormap, this
437// could create the SHADOW effect,
438// i.e. spectres and invisible players.
439//
440
441#define R_DRAWCOLUMN_PIPELINE_TYPE RDC_PIPELINE_FUZZ
442#define R_DRAWCOLUMN_PIPELINE_BASE RDC_FUZZ
443
444#define R_DRAWCOLUMN_PIPELINE_BITS 8
445#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawFuzzColumn8 ## postfix
446#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeFuzz8
447#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTFuzz8
448#define R_FLUSHQUAD_FUNCNAME R_FlushQuadFuzz8
449#include "r_drawcolpipeline.inl"
450
451#define R_DRAWCOLUMN_PIPELINE_BITS 15
452#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawFuzzColumn15 ## postfix
453#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeFuzz15
454#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTFuzz15
455#define R_FLUSHQUAD_FUNCNAME R_FlushQuadFuzz15
456#include "r_drawcolpipeline.inl"
457
458#define R_DRAWCOLUMN_PIPELINE_BITS 16
459#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawFuzzColumn16 ## postfix
460#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeFuzz16
461#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTFuzz16
462#define R_FLUSHQUAD_FUNCNAME R_FlushQuadFuzz16
463#include "r_drawcolpipeline.inl"
464
465#define R_DRAWCOLUMN_PIPELINE_BITS 32
466#define R_DRAWCOLUMN_FUNCNAME_COMPOSITE(postfix) R_DrawFuzzColumn32 ## postfix
467#define R_FLUSHWHOLE_FUNCNAME R_FlushWholeFuzz32
468#define R_FLUSHHEADTAIL_FUNCNAME R_FlushHTFuzz32
469#define R_FLUSHQUAD_FUNCNAME R_FlushQuadFuzz32
470#include "r_drawcolpipeline.inl"
471
472#undef R_DRAWCOLUMN_PIPELINE_BASE
473#undef R_DRAWCOLUMN_PIPELINE_TYPE
474
475static R_DrawColumn_f drawcolumnfuncs[VID_MODEMAX][RDRAW_FILTER_MAXFILTERS][RDRAW_FILTER_MAXFILTERS][RDC_PIPELINE_MAXPIPELINES] = {
476 {
477 {
478 {NULL, NULL, NULL, NULL,},
479 {R_DrawColumn8_PointUV,
480 R_DrawTLColumn8_PointUV,
481 R_DrawTranslatedColumn8_PointUV,
482 R_DrawFuzzColumn8_PointUV,},
483 {R_DrawColumn8_LinearUV,
484 R_DrawTLColumn8_LinearUV,
485 R_DrawTranslatedColumn8_LinearUV,
486 R_DrawFuzzColumn8_LinearUV,},
487 {R_DrawColumn8_RoundedUV,
488 R_DrawTLColumn8_RoundedUV,
489 R_DrawTranslatedColumn8_RoundedUV,
490 R_DrawFuzzColumn8_RoundedUV,},
491 },
492 {
493 {NULL, NULL, NULL, NULL,},
494 {R_DrawColumn8_PointUV_PointZ,
495 R_DrawTLColumn8_PointUV_PointZ,
496 R_DrawTranslatedColumn8_PointUV_PointZ,
497 R_DrawFuzzColumn8_PointUV_PointZ,},
498 {R_DrawColumn8_LinearUV_PointZ,
499 R_DrawTLColumn8_LinearUV_PointZ,
500 R_DrawTranslatedColumn8_LinearUV_PointZ,
501 R_DrawFuzzColumn8_LinearUV_PointZ,},
502 {R_DrawColumn8_RoundedUV_PointZ,
503 R_DrawTLColumn8_RoundedUV_PointZ,
504 R_DrawTranslatedColumn8_RoundedUV_PointZ,
505 R_DrawFuzzColumn8_RoundedUV_PointZ,},
506 },
507 {
508 {NULL, NULL, NULL, NULL,},
509 {R_DrawColumn8_PointUV_LinearZ,
510 R_DrawTLColumn8_PointUV_LinearZ,
511 R_DrawTranslatedColumn8_PointUV_LinearZ,
512 R_DrawFuzzColumn8_PointUV_LinearZ,},
513 {R_DrawColumn8_LinearUV_LinearZ,
514 R_DrawTLColumn8_LinearUV_LinearZ,
515 R_DrawTranslatedColumn8_LinearUV_LinearZ,
516 R_DrawFuzzColumn8_LinearUV_LinearZ,},
517 {R_DrawColumn8_RoundedUV_LinearZ,
518 R_DrawTLColumn8_RoundedUV_LinearZ,
519 R_DrawTranslatedColumn8_RoundedUV_LinearZ,
520 R_DrawFuzzColumn8_RoundedUV_LinearZ,},
521 },
522 },
523 {
524 {
525 {NULL, NULL, NULL, NULL,},
526 {R_DrawColumn15_PointUV,
527 R_DrawTLColumn15_PointUV,
528 R_DrawTranslatedColumn15_PointUV,
529 R_DrawFuzzColumn15_PointUV,},
530 {R_DrawColumn15_LinearUV,
531 R_DrawTLColumn15_LinearUV,
532 R_DrawTranslatedColumn15_LinearUV,
533 R_DrawFuzzColumn15_LinearUV,},
534 {R_DrawColumn15_RoundedUV,
535 R_DrawTLColumn15_RoundedUV,
536 R_DrawTranslatedColumn15_RoundedUV,
537 R_DrawFuzzColumn15_RoundedUV,},
538 },
539 {
540 {NULL, NULL, NULL, NULL,},
541 {R_DrawColumn15_PointUV_PointZ,
542 R_DrawTLColumn15_PointUV_PointZ,
543 R_DrawTranslatedColumn15_PointUV_PointZ,
544 R_DrawFuzzColumn15_PointUV_PointZ,},
545 {R_DrawColumn15_LinearUV_PointZ,
546 R_DrawTLColumn15_LinearUV_PointZ,
547 R_DrawTranslatedColumn15_LinearUV_PointZ,
548 R_DrawFuzzColumn15_LinearUV_PointZ,},
549 {R_DrawColumn15_RoundedUV_PointZ,
550 R_DrawTLColumn15_RoundedUV_PointZ,
551 R_DrawTranslatedColumn15_RoundedUV_PointZ,
552 R_DrawFuzzColumn15_RoundedUV_PointZ,},
553 },
554 {
555 {NULL, NULL, NULL, NULL,},
556 {R_DrawColumn15_PointUV_LinearZ,
557 R_DrawTLColumn15_PointUV_LinearZ,
558 R_DrawTranslatedColumn15_PointUV_LinearZ,
559 R_DrawFuzzColumn15_PointUV_LinearZ,},
560 {R_DrawColumn15_LinearUV_LinearZ,
561 R_DrawTLColumn15_LinearUV_LinearZ,
562 R_DrawTranslatedColumn15_LinearUV_LinearZ,
563 R_DrawFuzzColumn15_LinearUV_LinearZ,},
564 {R_DrawColumn15_RoundedUV_LinearZ,
565 R_DrawTLColumn15_RoundedUV_LinearZ,
566 R_DrawTranslatedColumn15_RoundedUV_LinearZ,
567 R_DrawFuzzColumn15_RoundedUV_LinearZ,},
568 },
569 },
570 {
571 {
572 {NULL, NULL, NULL, NULL,},
573 {R_DrawColumn16_PointUV,
574 R_DrawTLColumn16_PointUV,
575 R_DrawTranslatedColumn16_PointUV,
576 R_DrawFuzzColumn16_PointUV,},
577 {R_DrawColumn16_LinearUV,
578 R_DrawTLColumn16_LinearUV,
579 R_DrawTranslatedColumn16_LinearUV,
580 R_DrawFuzzColumn16_LinearUV,},
581 {R_DrawColumn16_RoundedUV,
582 R_DrawTLColumn16_RoundedUV,
583 R_DrawTranslatedColumn16_RoundedUV,
584 R_DrawFuzzColumn16_RoundedUV,},
585 },
586 {
587 {NULL, NULL, NULL, NULL,},
588 {R_DrawColumn16_PointUV_PointZ,
589 R_DrawTLColumn16_PointUV_PointZ,
590 R_DrawTranslatedColumn16_PointUV_PointZ,
591 R_DrawFuzzColumn16_PointUV_PointZ,},
592 {R_DrawColumn16_LinearUV_PointZ,
593 R_DrawTLColumn16_LinearUV_PointZ,
594 R_DrawTranslatedColumn16_LinearUV_PointZ,
595 R_DrawFuzzColumn16_LinearUV_PointZ,},
596 {R_DrawColumn16_RoundedUV_PointZ,
597 R_DrawTLColumn16_RoundedUV_PointZ,
598 R_DrawTranslatedColumn16_RoundedUV_PointZ,
599 R_DrawFuzzColumn16_RoundedUV_PointZ,},
600 },
601 {
602 {NULL, NULL, NULL, NULL,},
603 {R_DrawColumn16_PointUV_LinearZ,
604 R_DrawTLColumn16_PointUV_LinearZ,
605 R_DrawTranslatedColumn16_PointUV_LinearZ,
606 R_DrawFuzzColumn16_PointUV_LinearZ,},
607 {R_DrawColumn16_LinearUV_LinearZ,
608 R_DrawTLColumn16_LinearUV_LinearZ,
609 R_DrawTranslatedColumn16_LinearUV_LinearZ,
610 R_DrawFuzzColumn16_LinearUV_LinearZ,},
611 {R_DrawColumn16_RoundedUV_LinearZ,
612 R_DrawTLColumn16_RoundedUV_LinearZ,
613 R_DrawTranslatedColumn16_RoundedUV_LinearZ,
614 R_DrawFuzzColumn16_RoundedUV_LinearZ,},
615 },
616 },
617 {
618 {
619 {NULL, NULL, NULL, NULL,},
620 {R_DrawColumn32_PointUV,
621 R_DrawTLColumn32_PointUV,
622 R_DrawTranslatedColumn32_PointUV,
623 R_DrawFuzzColumn32_PointUV,},
624 {R_DrawColumn32_LinearUV,
625 R_DrawTLColumn32_LinearUV,
626 R_DrawTranslatedColumn32_LinearUV,
627 R_DrawFuzzColumn32_LinearUV,},
628 {R_DrawColumn32_RoundedUV,
629 R_DrawTLColumn32_RoundedUV,
630 R_DrawTranslatedColumn32_RoundedUV,
631 R_DrawFuzzColumn32_RoundedUV,},
632 },
633 {
634 {NULL, NULL, NULL, NULL,},
635 {R_DrawColumn32_PointUV_PointZ,
636 R_DrawTLColumn32_PointUV_PointZ,
637 R_DrawTranslatedColumn32_PointUV_PointZ,
638 R_DrawFuzzColumn32_PointUV_PointZ,},
639 {R_DrawColumn32_LinearUV_PointZ,
640 R_DrawTLColumn32_LinearUV_PointZ,
641 R_DrawTranslatedColumn32_LinearUV_PointZ,
642 R_DrawFuzzColumn32_LinearUV_PointZ,},
643 {R_DrawColumn32_RoundedUV_PointZ,
644 R_DrawTLColumn32_RoundedUV_PointZ,
645 R_DrawTranslatedColumn32_RoundedUV_PointZ,
646 R_DrawFuzzColumn32_RoundedUV_PointZ,},
647 },
648 {
649 {NULL, NULL, NULL, NULL,},
650 {R_DrawColumn32_PointUV_LinearZ,
651 R_DrawTLColumn32_PointUV_LinearZ,
652 R_DrawTranslatedColumn32_PointUV_LinearZ,
653 R_DrawFuzzColumn32_PointUV_LinearZ,},
654 {R_DrawColumn32_LinearUV_LinearZ,
655 R_DrawTLColumn32_LinearUV_LinearZ,
656 R_DrawTranslatedColumn32_LinearUV_LinearZ,
657 R_DrawFuzzColumn32_LinearUV_LinearZ,},
658 {R_DrawColumn32_RoundedUV_LinearZ,
659 R_DrawTLColumn32_RoundedUV_LinearZ,
660 R_DrawTranslatedColumn32_RoundedUV_LinearZ,
661 R_DrawFuzzColumn32_RoundedUV_LinearZ,},
662 },
663 },
664};
665
666R_DrawColumn_f R_GetDrawColumnFunc(enum column_pipeline_e type,
667 enum draw_filter_type_e filter,
668 enum draw_filter_type_e filterz) {
669 R_DrawColumn_f result = drawcolumnfuncs[V_GetMode()][filterz][filter][type];
670 if (result == NULL)
671 I_Error("R_GetDrawColumnFunc: undefined function (%d, %d, %d)",
672 type, filter, filterz);
673 return result;
674}
675
676void R_SetDefaultDrawColumnVars(draw_column_vars_t *dcvars) {
677 dcvars->x = dcvars->yl = dcvars->yh = dcvars->z = 0;
678 dcvars->iscale = dcvars->texturemid = dcvars->texheight = dcvars->texu = 0;
679 dcvars->source = dcvars->prevsource = dcvars->nextsource = NULL;
680 dcvars->colormap = dcvars->nextcolormap = colormaps[0];
681 dcvars->translation = NULL;
682 dcvars->edgeslope = dcvars->drawingmasked = 0;
683 dcvars->edgetype = drawvars.sprite_edges;
684}
685
686//
687// R_InitTranslationTables
688// Creates the translation tables to map
689// the green color ramp to gray, brown, red.
690// Assumes a given structure of the PLAYPAL.
691// Could be read from a lump instead.
692//
693
694byte playernumtotrans[MAXPLAYERS];
695extern lighttable_t *(*c_zlight)[LIGHTLEVELS][MAXLIGHTZ];
696
697void R_InitTranslationTables (void)
698{
699 int i, j;
700#define MAXTRANS 3
701 byte transtocolour[MAXTRANS];
702
703 // killough 5/2/98:
704 // Remove dependency of colormaps aligned on 256-byte boundary
705
706 if (translationtables == NULL) // CPhipps - allow multiple calls
707 translationtables = Z_Malloc(256*MAXTRANS, PU_STATIC, 0);
708
709 for (i=0; i<MAXTRANS; i++) transtocolour[i] = 255;
710
711 for (i=0; i<MAXPLAYERS; i++) {
712 byte wantcolour = mapcolor_plyr[i];
713 playernumtotrans[i] = 0;
714 if (wantcolour != 0x70) // Not green, would like translation
715 for (j=0; j<MAXTRANS; j++)
716 if (transtocolour[j] == 255) {
717 transtocolour[j] = wantcolour; playernumtotrans[i] = j+1; break;
718 }
719 }
720
721 // translate just the 16 green colors
722 for (i=0; i<256; i++)
723 if (i >= 0x70 && i<= 0x7f)
724 {
725 // CPhipps - configurable player colours
726 translationtables[i] = colormaps[0][((i&0xf)<<9) + transtocolour[0]];
727 translationtables[i+256] = colormaps[0][((i&0xf)<<9) + transtocolour[1]];
728 translationtables[i+512] = colormaps[0][((i&0xf)<<9) + transtocolour[2]];
729 }
730 else // Keep all other colors as is.
731 translationtables[i]=translationtables[i+256]=translationtables[i+512]=i;
732}
733
734//
735// R_DrawSpan
736// With DOOM style restrictions on view orientation,
737// the floors and ceilings consist of horizontal slices
738// or spans with constant z depth.
739// However, rotation around the world z axis is possible,
740// thus this mapping, while simpler and faster than
741// perspective correct texture mapping, has to traverse
742// the texture at an angle in all but a few cases.
743// In consequence, flats are not stored by column (like walls),
744// and the inner loop has to step in texture space u and v.
745//
746
747#define R_DRAWSPAN_FUNCNAME R_DrawSpan8_PointUV_PointZ
748#define R_DRAWSPAN_PIPELINE_BITS 8
749#define R_DRAWSPAN_PIPELINE (RDC_STANDARD)
750#include "r_drawspan.inl"
751
752#define R_DRAWSPAN_FUNCNAME R_DrawSpan8_PointUV_LinearZ
753#define R_DRAWSPAN_PIPELINE_BITS 8
754#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_DITHERZ)
755#include "r_drawspan.inl"
756
757#define R_DRAWSPAN_FUNCNAME R_DrawSpan8_LinearUV_PointZ
758#define R_DRAWSPAN_PIPELINE_BITS 8
759#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_BILINEAR)
760#include "r_drawspan.inl"
761
762#define R_DRAWSPAN_FUNCNAME R_DrawSpan8_LinearUV_LinearZ
763#define R_DRAWSPAN_PIPELINE_BITS 8
764#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_BILINEAR | RDC_DITHERZ)
765#include "r_drawspan.inl"
766
767#define R_DRAWSPAN_FUNCNAME R_DrawSpan8_RoundedUV_PointZ
768#define R_DRAWSPAN_PIPELINE_BITS 8
769#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_ROUNDED)
770#include "r_drawspan.inl"
771
772#define R_DRAWSPAN_FUNCNAME R_DrawSpan8_RoundedUV_LinearZ
773#define R_DRAWSPAN_PIPELINE_BITS 8
774#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_ROUNDED | RDC_DITHERZ)
775#include "r_drawspan.inl"
776
777#define R_DRAWSPAN_FUNCNAME R_DrawSpan15_PointUV_PointZ
778#define R_DRAWSPAN_PIPELINE_BITS 15
779#define R_DRAWSPAN_PIPELINE (RDC_STANDARD)
780#include "r_drawspan.inl"
781
782#define R_DRAWSPAN_FUNCNAME R_DrawSpan15_PointUV_LinearZ
783#define R_DRAWSPAN_PIPELINE_BITS 15
784#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_DITHERZ)
785#include "r_drawspan.inl"
786
787#define R_DRAWSPAN_FUNCNAME R_DrawSpan15_LinearUV_PointZ
788#define R_DRAWSPAN_PIPELINE_BITS 15
789#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_BILINEAR)
790#include "r_drawspan.inl"
791
792#define R_DRAWSPAN_FUNCNAME R_DrawSpan15_LinearUV_LinearZ
793#define R_DRAWSPAN_PIPELINE_BITS 15
794#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_BILINEAR | RDC_DITHERZ)
795#include "r_drawspan.inl"
796
797#define R_DRAWSPAN_FUNCNAME R_DrawSpan15_RoundedUV_PointZ
798#define R_DRAWSPAN_PIPELINE_BITS 15
799#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_ROUNDED)
800#include "r_drawspan.inl"
801
802#define R_DRAWSPAN_FUNCNAME R_DrawSpan15_RoundedUV_LinearZ
803#define R_DRAWSPAN_PIPELINE_BITS 15
804#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_ROUNDED | RDC_DITHERZ)
805#include "r_drawspan.inl"
806
807#define R_DRAWSPAN_FUNCNAME R_DrawSpan16_PointUV_PointZ
808#define R_DRAWSPAN_PIPELINE_BITS 16
809#define R_DRAWSPAN_PIPELINE (RDC_STANDARD)
810#include "r_drawspan.inl"
811
812#define R_DRAWSPAN_FUNCNAME R_DrawSpan16_PointUV_LinearZ
813#define R_DRAWSPAN_PIPELINE_BITS 16
814#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_DITHERZ)
815#include "r_drawspan.inl"
816
817#define R_DRAWSPAN_FUNCNAME R_DrawSpan16_LinearUV_PointZ
818#define R_DRAWSPAN_PIPELINE_BITS 16
819#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_BILINEAR)
820#include "r_drawspan.inl"
821
822#define R_DRAWSPAN_FUNCNAME R_DrawSpan16_LinearUV_LinearZ
823#define R_DRAWSPAN_PIPELINE_BITS 16
824#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_BILINEAR | RDC_DITHERZ)
825#include "r_drawspan.inl"
826
827#define R_DRAWSPAN_FUNCNAME R_DrawSpan16_RoundedUV_PointZ
828#define R_DRAWSPAN_PIPELINE_BITS 16
829#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_ROUNDED)
830#include "r_drawspan.inl"
831
832#define R_DRAWSPAN_FUNCNAME R_DrawSpan16_RoundedUV_LinearZ
833#define R_DRAWSPAN_PIPELINE_BITS 16
834#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_ROUNDED | RDC_DITHERZ)
835#include "r_drawspan.inl"
836
837#define R_DRAWSPAN_FUNCNAME R_DrawSpan32_PointUV_PointZ
838#define R_DRAWSPAN_PIPELINE_BITS 32
839#define R_DRAWSPAN_PIPELINE (RDC_STANDARD)
840#include "r_drawspan.inl"
841
842#define R_DRAWSPAN_FUNCNAME R_DrawSpan32_PointUV_LinearZ
843#define R_DRAWSPAN_PIPELINE_BITS 32
844#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_DITHERZ)
845#include "r_drawspan.inl"
846
847#define R_DRAWSPAN_FUNCNAME R_DrawSpan32_LinearUV_PointZ
848#define R_DRAWSPAN_PIPELINE_BITS 32
849#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_BILINEAR)
850#include "r_drawspan.inl"
851
852#define R_DRAWSPAN_FUNCNAME R_DrawSpan32_LinearUV_LinearZ
853#define R_DRAWSPAN_PIPELINE_BITS 32
854#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_BILINEAR | RDC_DITHERZ)
855#include "r_drawspan.inl"
856
857#define R_DRAWSPAN_FUNCNAME R_DrawSpan32_RoundedUV_PointZ
858#define R_DRAWSPAN_PIPELINE_BITS 32
859#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_ROUNDED)
860#include "r_drawspan.inl"
861
862#define R_DRAWSPAN_FUNCNAME R_DrawSpan32_RoundedUV_LinearZ
863#define R_DRAWSPAN_PIPELINE_BITS 32
864#define R_DRAWSPAN_PIPELINE (RDC_STANDARD | RDC_ROUNDED | RDC_DITHERZ)
865#include "r_drawspan.inl"
866
867static R_DrawSpan_f drawspanfuncs[VID_MODEMAX][RDRAW_FILTER_MAXFILTERS][RDRAW_FILTER_MAXFILTERS] = {
868 {
869 {
870 NULL,
871 NULL,
872 NULL,
873 NULL,
874 },
875 {
876 NULL,
877 R_DrawSpan8_PointUV_PointZ,
878 R_DrawSpan8_LinearUV_PointZ,
879 R_DrawSpan8_RoundedUV_PointZ,
880 },
881 {
882 NULL,
883 R_DrawSpan8_PointUV_LinearZ,
884 R_DrawSpan8_LinearUV_LinearZ,
885 R_DrawSpan8_RoundedUV_LinearZ,
886 },
887 {
888 NULL,
889 NULL,
890 NULL,
891 NULL,
892 },
893 },
894 {
895 {
896 NULL,
897 NULL,
898 NULL,
899 NULL,
900 },
901 {
902 NULL,
903 R_DrawSpan15_PointUV_PointZ,
904 R_DrawSpan15_LinearUV_PointZ,
905 R_DrawSpan15_RoundedUV_PointZ,
906 },
907 {
908 NULL,
909 R_DrawSpan15_PointUV_LinearZ,
910 R_DrawSpan15_LinearUV_LinearZ,
911 R_DrawSpan15_RoundedUV_LinearZ,
912 },
913 {
914 NULL,
915 NULL,
916 NULL,
917 NULL,
918 },
919 },
920 {
921 {
922 NULL,
923 NULL,
924 NULL,
925 NULL,
926 },
927 {
928 NULL,
929 R_DrawSpan16_PointUV_PointZ,
930 R_DrawSpan16_LinearUV_PointZ,
931 R_DrawSpan16_RoundedUV_PointZ,
932 },
933 {
934 NULL,
935 R_DrawSpan16_PointUV_LinearZ,
936 R_DrawSpan16_LinearUV_LinearZ,
937 R_DrawSpan16_RoundedUV_LinearZ,
938 },
939 {
940 NULL,
941 NULL,
942 NULL,
943 NULL,
944 },
945 },
946 {
947 {
948 NULL,
949 NULL,
950 NULL,
951 NULL,
952 },
953 {
954 NULL,
955 R_DrawSpan32_PointUV_PointZ,
956 R_DrawSpan32_LinearUV_PointZ,
957 R_DrawSpan32_RoundedUV_PointZ,
958 },
959 {
960 NULL,
961 R_DrawSpan32_PointUV_LinearZ,
962 R_DrawSpan32_LinearUV_LinearZ,
963 R_DrawSpan32_RoundedUV_LinearZ,
964 },
965 {
966 NULL,
967 NULL,
968 NULL,
969 NULL,
970 },
971 },
972};
973
974R_DrawSpan_f R_GetDrawSpanFunc(enum draw_filter_type_e filter,
975 enum draw_filter_type_e filterz) {
976 R_DrawSpan_f result = drawspanfuncs[V_GetMode()][filterz][filter];
977 if (result == NULL)
978 I_Error("R_GetDrawSpanFunc: undefined function (%d, %d)",
979 filter, filterz);
980 return result;
981}
982
983void R_DrawSpan(draw_span_vars_t *dsvars) {
984 R_GetDrawSpanFunc(drawvars.filterfloor, drawvars.filterz)(dsvars);
985}
986
987//
988// R_InitBuffer
989// Creats lookup tables that avoid
990// multiplies and other hazzles
991// for getting the framebuffer address
992// of a pixel to draw.
993//
994
995void R_InitBuffer(int width, int height)
996{
997 int i=0;
998 // Handle resize,
999 // e.g. smaller view windows
1000 // with border and/or status bar.
1001
1002 viewwindowx = (SCREENWIDTH-width) >> 1;
1003
1004 // Same with base row offset.
1005
1006 viewwindowy = width==SCREENWIDTH ? 0 : (SCREENHEIGHT-(ST_SCALED_HEIGHT-1)-height)>>1;
1007
1008 drawvars.byte_topleft = screens[0].data + viewwindowy*screens[0].byte_pitch + viewwindowx;
1009 drawvars.short_topleft = (unsigned short *)(screens[0].data) + viewwindowy*screens[0].short_pitch + viewwindowx;
1010 drawvars.int_topleft = (unsigned int *)(screens[0].data) + viewwindowy*screens[0].int_pitch + viewwindowx;
1011 drawvars.byte_pitch = screens[0].byte_pitch;
1012 drawvars.short_pitch = screens[0].short_pitch;
1013 drawvars.int_pitch = screens[0].int_pitch;
1014
1015 if (V_GetMode() == VID_MODE8) {
1016 for (i=0; i<FUZZTABLE; i++)
1017 fuzzoffset[i] = fuzzoffset_org[i]*screens[0].byte_pitch;
1018 } else if ((V_GetMode() == VID_MODE15) || (V_GetMode() == VID_MODE16)) {
1019 for (i=0; i<FUZZTABLE; i++)
1020 fuzzoffset[i] = fuzzoffset_org[i]*screens[0].short_pitch;
1021 } else if (V_GetMode() == VID_MODE32) {
1022 for (i=0; i<FUZZTABLE; i++)
1023 fuzzoffset[i] = fuzzoffset_org[i]*screens[0].int_pitch;
1024 }
1025}
1026
1027//
1028// R_FillBackScreen
1029// Fills the back screen with a pattern
1030// for variable screen sizes
1031// Also draws a beveled edge.
1032//
1033// CPhipps - patch drawing updated
1034
1035void R_FillBackScreen (void)
1036{
1037 int x,y;
1038
1039 if (scaledviewwidth == SCREENWIDTH)
1040 return;
1041
1042 V_DrawBackground(gamemode == commercial ? "GRNROCK" : "FLOOR7_2", 1);
1043
1044 for (x=0; x<scaledviewwidth; x+=8)
1045 V_DrawNamePatch(viewwindowx+x,viewwindowy-8,1,"brdr_t", CR_DEFAULT, VPT_NONE);
1046
1047 for (x=0; x<scaledviewwidth; x+=8)
1048 V_DrawNamePatch(viewwindowx+x,viewwindowy+viewheight,1,"brdr_b", CR_DEFAULT, VPT_NONE);
1049
1050 for (y=0; y<viewheight; y+=8)
1051 V_DrawNamePatch(viewwindowx-8,viewwindowy+y,1,"brdr_l", CR_DEFAULT, VPT_NONE);
1052
1053 for (y=0; y<viewheight; y+=8)
1054 V_DrawNamePatch(viewwindowx+scaledviewwidth,viewwindowy+y,1,"brdr_r", CR_DEFAULT, VPT_NONE);
1055
1056 // Draw beveled edge.
1057 V_DrawNamePatch(viewwindowx-8,viewwindowy-8,1,"brdr_tl", CR_DEFAULT, VPT_NONE);
1058
1059 V_DrawNamePatch(viewwindowx+scaledviewwidth,viewwindowy-8,1,"brdr_tr", CR_DEFAULT, VPT_NONE);
1060
1061 V_DrawNamePatch(viewwindowx-8,viewwindowy+viewheight,1,"brdr_bl", CR_DEFAULT, VPT_NONE);
1062
1063 V_DrawNamePatch(viewwindowx+scaledviewwidth,viewwindowy+viewheight,1,"brdr_br", CR_DEFAULT, VPT_NONE);
1064}
1065
1066//
1067// Copy a screen buffer.
1068//
1069
1070void R_VideoErase(int x, int y, int count)
1071{
1072 if (V_GetMode() != VID_MODEGL)
1073 memcpy(screens[0].data+y*screens[0].byte_pitch+x*V_GetPixelDepth(),
1074 screens[1].data+y*screens[1].byte_pitch+x*V_GetPixelDepth(),
1075 count*V_GetPixelDepth()); // LFB copy.
1076}
1077
1078//
1079// R_DrawViewBorder
1080// Draws the border around the view
1081// for different size windows?
1082//
1083
1084void R_DrawViewBorder(void)
1085{
1086 int top, side, i;
1087
1088 if (V_GetMode() == VID_MODEGL) {
1089 // proff 11/99: we don't have a backscreen in OpenGL from where we can copy this
1090 R_FillBackScreen();
1091 return;
1092 }
1093
1094 if ((SCREENHEIGHT != viewheight) ||
1095 ((automapmode & am_active) && ! (automapmode & am_overlay)))
1096 {
1097 // erase left and right of statusbar
1098 side= ( SCREENWIDTH - ST_SCALED_WIDTH ) / 2;
1099
1100 if (side > 0) {
1101 for (i = (SCREENHEIGHT - ST_SCALED_HEIGHT); i < SCREENHEIGHT; i++)
1102 {
1103 R_VideoErase (0, i, side);
1104 R_VideoErase (ST_SCALED_WIDTH+side, i, side);
1105 }
1106 }
1107 }
1108
1109 if ( viewheight >= ( SCREENHEIGHT - ST_SCALED_HEIGHT ))
1110 return; // if high-res, donīt go any further!
1111
1112 top = ((SCREENHEIGHT-ST_SCALED_HEIGHT)-viewheight)/2;
1113 side = (SCREENWIDTH-scaledviewwidth)/2;
1114
1115 // copy top
1116 for (i = 0; i < top; i++)
1117 R_VideoErase (0, i, SCREENWIDTH);
1118
1119 // copy sides
1120 for (i = top; i < (top+viewheight); i++) {
1121 R_VideoErase (0, i, side);
1122 R_VideoErase (viewwidth+side, i, side);
1123 }
1124
1125 // copy bottom
1126 for (i = top+viewheight; i < (SCREENHEIGHT - ST_SCALED_HEIGHT); i++)
1127 R_VideoErase (0, i, SCREENWIDTH);
1128}
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