source: branches/swt/src/opengl/mesa/3dfx/fxrender.c

Last change on this file was 6099, checked in by bird, 24 years ago

fxRenderClippedLine should not be inlined since it's used in fxcvs.c.
File size: 24.8 KB
Line 
1/* -*- mode: C; tab-width:8; c-basic-offset:2 -*- */
2
3/*
4 * Mesa 3-D graphics library
5 * Version: 3.3
6 *
7 * Copyright (C) 1999 Brian Paul All Rights Reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 *
27 * Original Mesa / 3Dfx device driver (C) 1999 David Bucciarelli, by the
28 * terms stated above.
29 *
30 * Thank you for your contribution, David!
31 *
32 * Please make note of the above copyright/license statement. If you
33 * contributed code or bug fixes to this code under the previous (GNU
34 * Library) license and object to the new license, your code will be
35 * removed at your request. Please see the Mesa docs/COPYRIGHT file
36 * for more information.
37 *
38 * Additional Mesa/3Dfx driver developers:
39 * Daryll Strauss <daryll@precisioninsight.com>
40 * Keith Whitwell <keith@precisioninsight.com>
41 *
42 * See fxapi.h for more revision/author details.
43 */
44
45
46/* fxrender.c - 3Dfx VooDoo RenderVB driver function support */
47
48
49#ifdef HAVE_CONFIG_H
50#include "conf.h"
51#endif
52
53#if defined(FX)
54
55#include "fxdrv.h"
56#include "vbcull.h"
57
58/*
59 * Render a line segment from VB[v1] to VB[v2] when either one or both
60 * endpoints must be clipped.
61 */
62//#if !defined(__MWERKS__)
63//INLINE /* function is accessed in fxcva.c! */
64//#endif
65void fxRenderClippedLine( struct vertex_buffer *VB,
66 GLuint v1, GLuint v2 )
67{
68 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts;
69 GLubyte mask = VB->ClipMask[v1] | VB->ClipMask[v2];
70
71 if (!mask || (VB->ctx->line_clip_tab[VB->ClipPtr->size])(VB, &v1, &v2, mask))
72 FX_grDrawLine((GrVertex *)gWin[v1].f,(GrVertex *)gWin[v2].f);
73}
74
75
76
77
78/* This is legal for Quads as well as triangles, hence the 'n' parameter.
79 */
80INLINE void fxRenderClippedTriangle( struct vertex_buffer *VB,
81 GLuint n, GLuint vlist[] )
82{
83 GLubyte mask = 0;
84 GLuint i;
85
86 for (i = 0 ; i < n ; i++)
87 mask |= VB->ClipMask[vlist[i]];
88
89 if (mask & CLIP_USER_BIT) {
90 GLubyte *userclipmask = VB->UserClipMask;
91 if (userclipmask[vlist[0]] & userclipmask[vlist[1]] & userclipmask[vlist[2]])
92 return;
93 }
94
95 n = (VB->ctx->poly_clip_tab[VB->ClipPtr->size])( VB, n, vlist, mask );
96 if (n >= 3) {
97 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts;
98 GrVertex *i0 = (GrVertex *)gWin[vlist[0]].f;
99 GrVertex *i1 = (GrVertex *)gWin[vlist[1]].f;
100 GrVertex *i2 = (GrVertex *)gWin[vlist[2]].f;
101 GLuint i;
102
103 for (i=2;i<n;i++, i1 = i2, i2 = (GrVertex *)gWin[vlist[i]].f) {
104 FX_grDrawTriangle(i0,i1,i2);
105 }
106 }
107}
108
109
110
111
112
113static INLINE void fxSafeClippedLine( struct vertex_buffer *VB,
114 GLuint v1, GLuint v2 )
115{
116 GLubyte mask = VB->ClipMask[v1] | VB->ClipMask[v2];
117
118 if (!mask) {
119 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts;
120 FX_grDrawLine((GrVertex *)gWin[v1].f,(GrVertex *)gWin[v2].f);
121 } else {
122 fxMesaContext fxMesa = (fxMesaContext)VB->ctx->DriverCtx;
123 fxLineClipTab[fxMesa->setupindex & 0x7]( VB, v1, v2, mask );
124 }
125}
126
127
128static INLINE void fxSafeClippedTriangle( struct vertex_buffer *VB,
129 fxVertex *gWin,
130 tfxTriClipFunc cliptri,
131 GLuint v2, GLuint v1, GLuint v )
132{
133 GLubyte *clipmask = VB->ClipMask;
134 GLubyte mask = clipmask[v2] | clipmask[v1] | clipmask[v];
135
136 if (!mask) {
137 FX_grDrawTriangle((GrVertex *)gWin[v2].f,
138 (GrVertex *)gWin[v1].f,
139 (GrVertex *)gWin[v].f);
140 return;
141 }
142
143 if (!(clipmask[v2] & clipmask[v1] & clipmask[v] & CLIP_ALL_BITS))
144 {
145 GLuint vl[3];
146 GLuint imask = mask;
147
148 if (imask & CLIP_USER_BIT) {
149 GLubyte *userclipmask = VB->UserClipMask;
150 if (userclipmask[v2] & userclipmask[v1] & userclipmask[v])
151 return;
152 imask |= (userclipmask[v2] | userclipmask[v1] | userclipmask[v]) << 8;
153 }
154
155 ASSIGN_3V(vl, v2, v1, v );
156 cliptri( VB, vl, imask );
157 }
158}
159
160
161static INLINE void fxSafeClippedTriangle2( struct vertex_buffer *VB,
162 fxVertex *gWin,
163 tfxTriViewClipFunc cliptri,
164 GLuint v2, GLuint v1, GLuint v )
165{
166 GLubyte *clipmask = VB->ClipMask;
167 GLubyte mask = clipmask[v2] | clipmask[v1] | clipmask[v];
168
169 if (!mask) {
170 FX_grDrawTriangle((GrVertex *)gWin[v2].f,(GrVertex *)gWin[v1].f,
171 (GrVertex *)gWin[v].f);
172 } else if (!(clipmask[v2] & clipmask[v1] & clipmask[v])) {
173 GLuint vl[3];
174 ASSIGN_3V(vl, v2, v1, v );
175 cliptri( VB, vl, mask );
176 }
177}
178
179
180static INLINE void fxSafeClippedTriangle3( struct vertex_buffer *VB,
181 fxVertex *gWin,
182 tfxTriClipFunc cliptri,
183 GLuint v2, GLuint v1, GLuint v )
184{
185 GLubyte *clipmask = VB->ClipMask;
186 GLubyte mask = clipmask[v2] | clipmask[v1] | clipmask[v];
187 GLuint imask = mask;
188
189 if (imask & CLIP_USER_BIT) {
190 GLubyte *userclipmask = VB->UserClipMask;
191 if (userclipmask[v2] & userclipmask[v1] & userclipmask[v])
192 return;
193 imask |= (userclipmask[v2] | userclipmask[v1] | userclipmask[v]) << 8;
194 }
195
196 {
197 GLuint vl[3];
198 ASSIGN_3V(vl, v2, v1, v );
199 cliptri( VB, vl, imask );
200 }
201}
202
203
204
205
206
207/************************************************************************/
208/************************ RenderVB functions ****************************/
209/************************************************************************/
210
211
212/* Render front-facing, non-clipped primitives.
213 */
214
215#define RENDER_POINTS( start, count ) \
216 (void) gWin; \
217 (void) VB; \
218 (VB->ctx->Driver.PointsFunc)( VB->ctx, start, count-1 )
219
220#define RENDER_LINE( i1, i ) \
221 do { \
222 RVB_COLOR(i); \
223 FX_grDrawLine((GrVertex *)gWin[i1].f, \
224 (GrVertex *)gWin[i].f); \
225 } while (0)
226
227#define RENDER_TRI( i2, i1, i, pv, parity ) \
228 do { \
229 RVB_COLOR(pv); \
230 if (parity) { \
231 FX_grDrawTriangle((GrVertex *)gWin[i1].f, \
232 (GrVertex *)gWin[i2].f, \
233 (GrVertex *)gWin[i].f); \
234 } else { \
235 FX_grDrawTriangle((GrVertex *)gWin[i2].f, \
236 (GrVertex *)gWin[i1].f, \
237 (GrVertex *)gWin[i].f); \
238 } \
239 } while (0)
240
241#define RENDER_QUAD( i3, i2, i1, i, pv ) \
242 do { \
243 RVB_COLOR(pv); \
244 FX_grDrawTriangle((GrVertex *)gWin[i3].f, \
245 (GrVertex *)gWin[i2].f, \
246 (GrVertex *)gWin[i].f); \
247 FX_grDrawTriangle((GrVertex *)gWin[i2].f, \
248 (GrVertex *)gWin[i1].f, \
249 (GrVertex *)gWin[i].f); \
250 } while (0)
251
252
253
254#define LOCAL_VARS \
255 fxMesaContext fxMesa=(fxMesaContext)VB->ctx->DriverCtx; \
256 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
257 (void) fxMesa;
258
259#define INIT(x)
260
261#define TAG(x) x##_fx_flat_raw
262#undef RVB_COLOR
263#define RVB_COLOR(pv) FX_VB_COLOR(fxMesa, VB->ColorPtr->data[pv])
264#define PRESERVE_VB_DEFS
265
266#include "render_tmp.h"
267
268#define TAG(x) x##_fx_smooth_raw
269#undef RVB_COLOR
270#define RVB_COLOR(x)
271
272#include "render_tmp.h"
273
274
275
276/* Render with clipped and/or culled primitives with cullmask information.
277 */
278#define RENDER_POINTS( start, count ) \
279 (void) gWin; \
280 (void) cullmask; \
281 (VB->ctx->Driver.PointsFunc)( VB->ctx, start, count-1 )
282
283
284#define RENDER_LINE( i1, i ) \
285 do { \
286 const GLubyte flags = cullmask[i]; \
287 \
288 if (!(flags & PRIM_NOT_CULLED)) \
289 continue; \
290 \
291 RVB_COLOR(i); \
292 if (flags & PRIM_ANY_CLIP) \
293 fxRenderClippedLine( VB, i1, i ); \
294 else \
295 FX_grDrawLine( (GrVertex *)gWin[i1].f, (GrVertex *)gWin[i].f ); \
296 } while (0)
297
298
299#define RENDER_TRI( i2, i1, i, pv, parity) \
300 do { \
301 const GLubyte flags = cullmask[i]; \
302 GLuint e2,e1; \
303 \
304 if (!(flags & PRIM_NOT_CULLED)) \
305 continue; \
306 \
307 e2=i2, e1=i1; \
308 if (parity) { e2=i1; e1=i2; } \
309 \
310 RVB_COLOR(pv); \
311 if (flags & PRIM_ANY_CLIP) { \
312 fxSafeClippedTriangle3(VB,gWin,cliptri,e2,e1,i); \
313 } else { \
314 FX_grDrawTriangle((GrVertex *)gWin[e2].f, \
315 (GrVertex *)gWin[e1].f, \
316 (GrVertex *)gWin[i].f); \
317 } \
318 } while (0)
319
320
321#define RENDER_QUAD(i3, i2, i1, i, pv) \
322 do { \
323 const GLubyte flags = cullmask[i]; \
324 \
325 if (!(flags & PRIM_NOT_CULLED)) \
326 continue; \
327 \
328 RVB_COLOR(pv); \
329 if (flags&PRIM_ANY_CLIP) { \
330 fxSafeClippedTriangle3(VB,gWin,cliptri,i3,i2,i); \
331 fxSafeClippedTriangle3(VB,gWin,cliptri,i2,i1,i); \
332 } else { \
333 FX_grDrawTriangle((GrVertex *)gWin[i3].f, \
334 (GrVertex *)gWin[i2].f, \
335 (GrVertex *)gWin[i].f); \
336 FX_grDrawTriangle((GrVertex *)gWin[i2].f, \
337 (GrVertex *)gWin[i1].f, \
338 (GrVertex *)gWin[i].f); \
339 } \
340 } while (0)
341
342
343
344
345
346#define LOCAL_VARS \
347 fxMesaContext fxMesa=(fxMesaContext)VB->ctx->DriverCtx; \
348 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
349 const GLubyte *cullmask = VB->CullMask; \
350 tfxTriClipFunc cliptri = fxMesa->clip_tri_stride;
351
352
353
354
355#define INIT(x) (void) cliptri; (void) fxMesa;
356
357#define TAG(x) x##_fx_smooth_culled
358#undef RVB_COLOR
359#define RVB_COLOR(x)
360#define PRESERVE_VB_DEFS
361#include "render_tmp.h"
362
363#define TAG(x) x##_fx_flat_culled
364#undef RVB_COLOR
365#define RVB_COLOR(pv) FX_VB_COLOR(fxMesa, VB->ColorPtr->data[pv])
366
367#include "render_tmp.h"
368
369
370
371
372/* Direct, with the possibility of clipping.
373 */
374#define RENDER_POINTS( start, count ) \
375 do { \
376 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
377 GLubyte *clipmask = VB->ClipMask; \
378 GLuint i; \
379 for (i = start ; i <= count ; i++) \
380 if (clipmask[i] == 0) { \
381 RVB_COLOR(i); \
382 FX_grDrawPoint( (GrVertex *)gWin[i].f );\
383 } \
384 } while (0)
385
386#define RENDER_LINE( i1, i ) \
387 do { \
388 RVB_COLOR(i); \
389 fxSafeClippedLine( VB, i1, i ); \
390 } while (0)
391
392#define RENDER_TRI( i2, i1, i, pv, parity) \
393 do { \
394 GLuint e2=i2, e1=i1; \
395 if (parity) { GLuint t=e2; e2=e1; e1=t; } \
396 RVB_COLOR(pv); \
397 fxSafeClippedTriangle(VB,gWin,cliptri,e2,e1,i); \
398 } while (0)
399
400#define RENDER_QUAD( i3, i2, i1, i, pv) \
401 do { \
402 RVB_COLOR(pv); \
403 fxSafeClippedTriangle(VB,gWin,cliptri,i3,i2,i); \
404 fxSafeClippedTriangle(VB,gWin,cliptri,i2,i1,i); \
405 } while (0)
406
407#define LOCAL_VARS \
408 fxMesaContext fxMesa=(fxMesaContext)VB->ctx->DriverCtx; \
409 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
410 tfxTriClipFunc cliptri = fxMesa->clip_tri_stride;
411
412#define INIT(x) (void) cliptri; (void) gWin;
413
414#define TAG(x) x##_fx_smooth_clipped
415#undef RVB_COLOR
416#define RVB_COLOR(x)
417#define PRESERVE_VB_DEFS
418#include "render_tmp.h"
419
420
421#define TAG(x) x##_fx_flat_clipped
422#undef RVB_COLOR
423#define RVB_COLOR(pv) FX_VB_COLOR(fxMesa, VB->ColorPtr->data[pv])
424#include "render_tmp.h"
425
426
427
428
429
430
431/* Indirect, with the possibility of clipping.
432 */
433#define RENDER_POINTS( start, count ) \
434 do { \
435 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
436 GLuint e; \
437 GLubyte *clipmask = VB->ClipMask; \
438 for(e=start;e<=count;e++) \
439 if(clipmask[elt[e]]==0) { \
440 FX_grDrawPoint((GrVertex *)gWin[elt[e]].f); \
441 } \
442 } while (0)
443
444#define RENDER_LINE( i1, i ) \
445 do { \
446 GLuint e1 = elt[i1], e = elt[i]; \
447 RVB_COLOR(e); \
448 fxSafeClippedLine( VB, e1, e ); \
449 } while (0)
450
451#define RENDER_TRI( i2, i1, i, pv, parity) \
452 do { \
453 GLuint e2 = elt[i2], e1 = elt[i1], e = elt[i]; \
454 if (parity) { GLuint t=e2; e2=e1; e1=t; } \
455 fxSafeClippedTriangle(VB,gWin,cliptri,e2,e1,e); \
456 } while (0)
457
458#define RENDER_QUAD( i3, i2, i1, i, pv) \
459 do { \
460 GLuint e3 = elt[i3], e2 = elt[i2], e1 = elt[i1], e = elt[i];\
461 fxSafeClippedTriangle(VB,gWin,cliptri,e3,e2,e); \
462 fxSafeClippedTriangle(VB,gWin,cliptri,e2,e1,e); \
463 } while (0)
464
465#define LOCAL_VARS const GLuint *elt = VB->EltPtr->data; \
466 fxMesaContext fxMesa = (fxMesaContext)VB->ctx->DriverCtx; \
467 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
468 tfxTriClipFunc cliptri = fxMesa->clip_tri_stride;
469
470#define INIT(x) (void) cliptri; (void) gWin;
471
472#define TAG(x) x##_fx_smooth_indirect_clipped
473#undef RVB_COLOR
474#define RVB_COLOR(x)
475#include "render_tmp.h"
476
477
478/* Indirect, clipped, but no user clip.
479 */
480#define RENDER_POINTS( start, count ) \
481 do { \
482 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
483 GLuint e; \
484 GLubyte *clipmask = VB->ClipMask; \
485 for(e=start;e<=count;e++) \
486 if(clipmask[elt[e]]==0) { \
487 FX_grDrawPoint((GrVertex *)gWin[elt[e]].f); \
488 } \
489 } while (0)
490
491#define RENDER_LINE( i1, i ) \
492 do { \
493 GLuint e1 = elt[i1], e = elt[i]; \
494 RVB_COLOR(e); \
495 fxSafeClippedLine( VB, e1, e ); \
496 } while (0)
497
498#define RENDER_TRI( i2, i1, i, pv, parity) \
499 do { \
500 GLuint e2 = elt[i2], e1 = elt[i1], e = elt[i]; \
501 if (parity) { GLuint t=e2; e2=e1; e1=t; } \
502 fxSafeClippedTriangle2(VB,gWin,cliptri,e2,e1,e); \
503 } while (0)
504
505#define RENDER_QUAD( i3, i2, i1, i, pv) \
506 do { \
507 GLuint e3 = elt[i3], e2 = elt[i2], e1 = elt[i1], e = elt[i];\
508 fxSafeClippedTriangle2(VB,gWin,cliptri,e3,e2,e); \
509 fxSafeClippedTriangle2(VB,gWin,cliptri,e2,e1,e); \
510 } while (0)
511
512#define LOCAL_VARS const GLuint *elt = VB->EltPtr->data; \
513 fxMesaContext fxMesa = (fxMesaContext)VB->ctx->DriverCtx; \
514 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
515 tfxTriViewClipFunc cliptri = fxMesa->view_clip_tri;
516
517#define INIT(x) (void) cliptri; (void) gWin;
518
519#define TAG(x) x##_fx_smooth_indirect_view_clipped
520#undef RVB_COLOR
521#define RVB_COLOR(x)
522#include "render_tmp.h"
523
524
525
526
527
528
529
530/* Indirect, and no clipping required.
531 */
532#define RENDER_POINTS( start, count ) \
533 do { \
534 GLuint e; \
535 for(e=start;e<=count;e++) { \
536 FX_grDrawPoint((GrVertex *)gWin[elt[e]].f); \
537 } \
538 } while (0)
539
540#define RENDER_LINE( i1, i ) \
541 do { \
542 GLuint e1 = elt[i1], e = elt[i]; \
543 FX_grDrawLine((GrVertex *)gWin[e1].f, (GrVertex *)gWin[e].f); \
544 } while (0)
545
546
547#define RENDER_TRI( i2, i1, i, pv, parity) \
548 do { \
549 GLuint e2 = elt[i2], e1 = elt[i1], e = elt[i]; \
550 if (parity) {GLuint tmp = e2; e2 = e1; e1 = tmp;} \
551 FX_grDrawTriangle((GrVertex *)gWin[e2].f, \
552 (GrVertex *)gWin[e1].f, \
553 (GrVertex *)gWin[e].f); \
554 } while (0)
555
556
557#define RENDER_QUAD( i3, i2, i1, i, pv) \
558 do { \
559 GLuint e3 = elt[i3], e2 = elt[i2], e1 = elt[i1], e = elt[i];\
560 FX_grDrawTriangle((GrVertex *)gWin[e3].f, \
561 (GrVertex *)gWin[e2].f, \
562 (GrVertex *)gWin[e].f); \
563 FX_grDrawTriangle((GrVertex *)gWin[e2].f, \
564 (GrVertex *)gWin[e1].f, \
565 (GrVertex *)gWin[e].f); \
566 } while (0)
567
568#define LOCAL_VARS \
569 fxVertex *gWin = FX_DRIVER_DATA(VB)->verts; \
570 const GLuint *elt = VB->EltPtr->data;
571
572#define INIT(x)
573
574#define TAG(x) x##_fx_smooth_indirect
575#undef RVB_COLOR
576#define RVB_COLOR(x)
577#include "render_tmp.h"
578
579
580
581
582
583/* Direct in this context means that triangles, lines, points can be
584 * rendered simply by calling grDrawTriangle, etc., without any
585 * additional setup (such as calling grConstantColor). We also use a
586 * 'safe' set of clipping routines which don't require write-access to
587 * the arrays in the vertex buffer, and don't care about array
588 * stride.
589 *
590 * Thus there is no call to gl_import_arrays() in this function.
591 *
592 * This safe clipping should be generalized to call driver->trianglefunc
593 * under the appropriate conditions.
594 *
595 * We don't handle texcoord-4 in the safe clip routines - maybe we should.
596 *
597 */
598void fxDDRenderElementsDirect( struct vertex_buffer *VB )
599{
600 GLcontext *ctx = VB->ctx;
601 struct vertex_buffer *saved_vb = ctx->VB;
602 GLenum prim = ctx->CVA.elt_mode;
603 GLuint nr = VB->EltPtr->count;
604 render_func func = render_tab_fx_smooth_indirect[prim];
605 fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
606 GLuint p = 0;
607
608 if (!nr)
609 return;
610
611 if (fxMesa->new_state)
612 fxSetupFXUnits(ctx);
613
614 if (!nr) return;
615
616 if (VB->ClipOrMask) {
617 func = render_tab_fx_smooth_indirect_view_clipped[prim];
618 if (VB->ClipOrMask & CLIP_USER_BIT)
619 func = render_tab_fx_smooth_indirect_clipped[prim];
620 }
621
622 ctx->VB = VB; /* kludge */
623
624 do {
625 func( VB, 0, nr, 0 );
626 } while (ctx->Driver.MultipassFunc &&
627 ctx->Driver.MultipassFunc( VB, ++p ));
628
629
630 ctx->VB = saved_vb;
631}
632
633
634void fxDDRenderVBIndirectDirect( struct vertex_buffer *VB )
635{
636 GLcontext *ctx = VB->ctx;
637 struct vertex_buffer *cvaVB = ctx->CVA.VB;
638 struct vertex_buffer *saved_vb = ctx->VB;
639 GLuint i, next, count = VB->Count;
640 render_func *tab = render_tab_fx_smooth_indirect;
641 fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
642 GLuint p = 0;
643
644 if (cvaVB->ClipOrMask)
645 tab = render_tab_fx_smooth_indirect_clipped;
646
647 if (!VB->CullDone)
648 gl_fast_copy_vb( VB );
649
650 if (fxMesa->new_state)
651 fxSetupFXUnits( ctx );
652
653 ctx->VB = cvaVB;
654 cvaVB->EltPtr = VB->EltPtr;
655
656 do {
657 GLuint parity = VB->Parity;
658
659 for (i = VB->CopyStart ; i < count ; parity = 0, i = next)
660 {
661 GLuint prim = VB->Primitive[i];
662 next = VB->NextPrimitive[i];
663 tab[prim]( cvaVB, i, next, parity );
664 }
665 /* loop never taken */
666 } while (ctx->Driver.MultipassFunc &&
667 ctx->Driver.MultipassFunc( cvaVB, ++p ));
668
669 cvaVB->EltPtr = 0;
670 ctx->VB = saved_vb;
671}
672
673
674static render_func *fxDDRenderVBSmooth_tables[3] = {
675 render_tab_fx_smooth_clipped,
676 render_tab_fx_smooth_culled,
677 render_tab_fx_smooth_raw
678};
679
680static render_func *fxDDRenderVBFlat_tables[3] = {
681 render_tab_fx_flat_clipped,
682 render_tab_fx_flat_culled,
683 render_tab_fx_flat_raw
684};
685
686
687static render_func *null_tables[3] = {
688 0,
689 0,
690 0
691};
692
693#if defined(FX_GLIDE3)
694#include "fxstripdet.c"
695#endif
696
697void fxDDRenderInit( GLcontext *ctx )
698{
699 render_init_fx_smooth_indirect_view_clipped();
700 render_init_fx_smooth_indirect_clipped();
701 render_init_fx_smooth_indirect();
702 render_init_fx_smooth_raw();
703 render_init_fx_smooth_culled();
704 render_init_fx_smooth_clipped();
705 render_init_fx_flat_raw();
706 render_init_fx_flat_culled();
707 render_init_fx_flat_clipped();
708#if defined(FX_GLIDE3)
709 fxDDRenderInitGlide3(ctx);
710#endif
711}
712
713
714/* Now used to set an internal var in fxMesa - we hook out at the
715 * level of gl_render_vb() instead.
716 */
717render_func **fxDDChooseRenderVBTables(GLcontext *ctx)
718{
719 fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
720
721 if (ctx->IndirectTriangles & DD_SW_SETUP)
722 return null_tables;
723
724 switch (fxMesa->render_index) {
725 case FX_FLAT:
726 return fxDDRenderVBFlat_tables;
727 case 0:
728 return fxDDRenderVBSmooth_tables;
729 default:
730 return null_tables;
731 }
732}
733
734
735void fxDDDoRenderVB( struct vertex_buffer *VB )
736{
737 GLcontext *ctx = VB->ctx;
738 fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
739 GLuint i, next, prim;
740 GLuint parity = VB->Parity;
741 render_func *tab;
742 GLuint count = VB->Count;
743 GLint p = 0;
744
745 if (fxMesa->new_state)
746 fxSetupFXUnits(ctx);
747
748 if (VB->Indirect) {
749 return;
750 } else if (VB->CullMode & CLIP_MASK_ACTIVE) {
751 tab = fxMesa->RenderVBClippedTab;
752 } else {
753 tab = fxMesa->RenderVBRawTab;
754 }
755
756 if (!VB->CullDone)
757 gl_fast_copy_vb( VB );
758
759 do
760 {
761 for ( i= VB->CopyStart ; i < count ; parity = 0, i = next )
762 {
763 prim = VB->Primitive[i];
764 next = VB->NextPrimitive[i];
765 tab[prim]( VB, i, next, parity );
766 }
767
768 } while (ctx->Driver.MultipassFunc &&
769 ctx->Driver.MultipassFunc( VB, ++p ));
770}
771
772
773#else
774
775
776/*
777 * Need this to provide at least one external definition.
778 */
779
780int gl_fx_dummy_function_render(void)
781{
782 return 0;
783}
784
785#endif /* FX */
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