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vs1.0_inst.cpp @ 692

Revision 692, 44.0 KB checked in by mattausch, 19 years ago (diff)
adding ogre 1.2 and dependencies

Line
1	#ifdef WIN32
2	#pragma warning(disable:4786)
3	#endif
4	#include "vs1.0_inst.h"
5	#include <stdio.h>
6	#include <string>
7	#include <map>
8	#include "nvparse_errors.h"
9	#include "nvparse_externs.h"
10
11	std::string vs10_transstring;
12
13	#if 0
14	VS10Reg::VS10Reg()
15	{
16	type = 0;
17	index = 0;
18	sign = 0;
19	mask = 0;
20	}
21
22	VS10Reg::VS10Reg(const VS10Reg &r)
23	{
24	type = r.type;
25	index = r.index;
26	sign = r.sign;
27	mask = r.mask;
28	}
29
30	VS10Reg& VS10Reg::operator=(const VS10Reg &r)
31	{
32	if ( this != &r )
33	{
34	type = r.type;
35	index = r.index;
36	sign = r.sign;
37	mask = r.mask;
38	}
39	return *this;
40	}
41	#endif
42
43	void VS10Reg::Init()
44	{
45	type = 0;
46	index = -1;
47	sign = 0;
48	mask[0] = 'j';
49	mask[1] = 'j';
50	mask[2] = 'j';
51	mask[3] = 'j';
52	}
53
54	int VS10Reg::ValidateIndex()
55	{
56	switch( type )
57	{
58	case TYPE_TEMPORARY_REG:
59	if ( index < 0 \|\| index > 11 ) return 0;
60	else return 1;
61	break;
62	case TYPE_VERTEX_ATTRIB_REG:
63	if ( index < 0 \|\| index > 15 ) return 0;
64	else return 1;
65	break;
66	case TYPE_ADDRESS_REG:
67	if ( index != 0 ) return 0;
68	else return 1;
69	break;
70	case TYPE_CONSTANT_MEM_REG:
71	if ( index < 0 \|\| index > 95 ) return 0;
72	else return 1;
73	break;
74	case TYPE_CONSTANT_A0_REG:
75	case TYPE_CONSTANT_A0_OFFSET_REG:
76	return 1;
77	break;
78	case TYPE_POSITION_RESULT_REG:
79	return 1;
80	break;
81	case TYPE_COLOR_RESULT_REG:
82	if ( index < 0 \|\| index > 1 ) return 0;
83	else return 1;
84	break;
85	case TYPE_TEXTURE_RESULT_REG:
86	if ( index < 0 \|\| index > 3 ) return 0;
87	else return 1;
88	break;
89	case TYPE_FOG_RESULT_REG:
90	return 1;
91	break;
92	case TYPE_POINTS_RESULT_REG:
93	return 1;
94	break;
95	default:
96	errors.set( "VS10Reg::ValidateIndex() Internal Error: unknown register type\n" );
97	return 1;
98	}
99	}
100
101	void VS10Reg::Translate()
102	{
103	char str[16];
104
105	if ( sign == -1 )
106	vs10_transstring.append( "-" );
107
108	switch ( type )
109	{
110	case TYPE_TEMPORARY_REG:
111	sprintf( str, "R%d", index );
112	vs10_transstring.append( str );
113	break;
114	case TYPE_VERTEX_ATTRIB_REG:
115	sprintf( str, "v[%d]", index );
116	vs10_transstring.append( str );
117	break;
118	case TYPE_ADDRESS_REG:
119	sprintf( str, "A%d", index );
120	vs10_transstring.append( str );
121	break;
122	case TYPE_CONSTANT_MEM_REG:
123	sprintf( str, "c[%d]", index );
124	vs10_transstring.append( str );
125	break;
126	case TYPE_CONSTANT_A0_REG:
127	vs10_transstring.append( "c[ A0.x ]" );
128	break;
129	case TYPE_CONSTANT_A0_OFFSET_REG:
130	sprintf( str, "c[ A0.x + %d ]", index );
131	vs10_transstring.append( str );
132	break;
133	case TYPE_POSITION_RESULT_REG:
134	vs10_transstring.append( "o[HPOS]" );
135	break;
136	case TYPE_COLOR_RESULT_REG:
137	sprintf( str, "o[COL%d]", index );
138	vs10_transstring.append( str );
139	break;
140	case TYPE_TEXTURE_RESULT_REG:
141	sprintf( str, "o[TEX%d]", index );
142	vs10_transstring.append( str );
143	break;
144	case TYPE_FOG_RESULT_REG:
145	vs10_transstring.append( "o[FOGC]" );
146	break;
147	case TYPE_POINTS_RESULT_REG:
148	vs10_transstring.append( "o[PSIZ]" );
149	break;
150	default:
151	errors.set( "VS10Reg::Translate() Internal Error: unknown register type\n" );
152	}
153
154	if ( mask[0] != 0 )
155	{
156	str[0] = '.';
157	strncpy( str+1, mask, 4 );
158	str[5] = 0;
159	vs10_transstring.append( str );
160	}
161	}
162
163	VS10Inst::~VS10Inst()
164	{
165	if (comment != NULL ) delete [] comment;
166	}
167
168	VS10Inst::VS10Inst()
169	{
170	line = -1;
171	instid = -1;
172	dst.Init();
173	src[0].Init();
174	src[1].Init();
175	src[2].Init();
176	comment = NULL;
177	}
178
179	VS10Inst::VS10Inst( int currline )
180	{
181	line = currline;
182	instid = -1;
183	dst.Init();
184	src[0].Init();
185	src[1].Init();
186	src[2].Init();
187	comment = NULL;
188	}
189
190	VS10Inst::VS10Inst( const VS10Inst &inst )
191	{
192	line = inst.line;
193	instid = inst.instid;
194	dst = inst.dst;
195	src[0] = inst.src[0];
196	src[1] = inst.src[1];
197	src[2] = inst.src[2];
198	if ( inst.comment == NULL )
199	comment = NULL;
200	else
201	{
202	comment = new char[strlen(inst.comment)+1];
203	strcpy( comment, inst.comment );
204	}
205	}
206
207	VS10Inst& VS10Inst::operator=(const VS10Inst &inst)
208	{
209	if ( this != &inst )
210	{
211	line = inst.line;
212	instid = inst.instid;
213	dst = inst.dst;
214	src[0] = inst.src[0];
215	src[1] = inst.src[1];
216	src[2] = inst.src[2];
217	if ( inst.comment == NULL )
218	comment = NULL;
219	else
220	{
221	comment = new char[strlen(inst.comment)+1];
222	strcpy( comment, inst.comment );
223	}
224	}
225	return *this;
226	}
227
228
229	VS10Inst::VS10Inst(int currline, int inst)
230	{
231	line = currline;
232	instid = inst;
233	dst.Init();
234	src[0].Init();
235	src[1].Init();
236	src[2].Init();
237	comment = NULL;
238	}
239
240	VS10Inst::VS10Inst(int currline, int inst, char *cmt)
241	{
242	line = currline;
243	instid = inst;
244	dst.Init();
245	src[0].Init();
246	src[1].Init();
247	src[2].Init();
248	comment = cmt;
249	}
250
251	VS10Inst::VS10Inst(int currline, int inst, VS10Reg dreg, VS10Reg src0)
252	{
253	line = currline;
254	instid = inst;
255	dst = dreg;
256	src[0] = src0;
257	src[1].Init();
258	src[2].Init();
259	comment = NULL;
260	}
261
262	VS10Inst::VS10Inst(int currline, int inst, VS10Reg dreg, VS10Reg src0, VS10Reg src1)
263	{
264	line = currline;
265	instid = inst;
266	dst = dreg;
267	src[0] = src0;
268	src[1] = src1;
269	src[2].Init();
270	comment = NULL;
271	}
272
273	VS10Inst::VS10Inst(int currline, int inst, VS10Reg dreg, VS10Reg src0, VS10Reg src1, VS10Reg src2)
274	{
275	line = currline;
276	instid = inst;
277	dst = dreg;
278	src[0] = src0;
279	src[1] = src1;
280	src[2] = src2;
281	comment = NULL;
282	}
283
284	void VS10Inst::Validate( int &vsflag )
285	{
286
287	// Handle comments, noops, and newlines.
288	if ( instid == VS10_COMMENT \|\| instid == VS10_NOP \|\| instid == -1 ) return;
289
290	// Handle the header case.
291	if ( instid == VS10_HEADER )
292	{
293	if ( vsflag == 0 )
294	{
295	vsflag = 1;
296	return;
297	}
298	else
299	{
300	char temp[128];
301	sprintf( temp, "(%d) Error: vs.1.0 token already encountered\n", line );
302	errors.set( temp );
303	return;
304	}
305	}
306
307	// Validate register indices are valid.
308	ValidateRegIndices();
309
310	// Verify destination masking is valid.
311	ValidateDestMask();
312
313	// Verify source swizzling is valid.
314	ValidateSrcMasks();
315
316	// Verify destination register is writable.
317	ValidateDestWritable();
318
319	// Verify source registers are readable.
320	ValidateSrcReadable();
321
322	// Verify not reading from multiple vertex attributes or constants
323	ValidateReadPorts();
324	}
325
326	void VS10Inst::ValidateRegIndices()
327	{
328	char temp[256];
329	int result;
330
331	// Destination register.
332	result = dst.ValidateIndex();
333	if ( !result )
334	{
335	sprintf( temp, "(%d) Error: destination register index out of range\n", line );
336	errors.set( temp );
337	}
338
339	// Source register.
340	result = src[0].ValidateIndex();
341	if ( !result )
342	{
343	sprintf( temp, "(%d) Error: source register index out of range\n", line );
344	errors.set( temp );
345	}
346
347	switch( instid )
348	{
349	// Vector operations.
350	case VS10_MOV:
351	case VS10_LIT:
352	break;
353
354	// Unary operations.
355	case VS10_FRC:
356	break;
357
358	// Scalar operations.
359	case VS10_EXP:
360	case VS10_EXPP:
361	case VS10_LOG:
362	case VS10_LOGP:
363	case VS10_RCP:
364	case VS10_RSQ:
365	break;
366
367	// Binary operations.
368	case VS10_ADD:
369	case VS10_DP3:
370	case VS10_DP4:
371	case VS10_DST:
372	case VS10_SGE:
373	case VS10_SLT:
374	case VS10_SUB:
375	case VS10_MAX:
376	case VS10_MIN:
377	case VS10_MUL:
378	result = src[1].ValidateIndex();
379	if ( !result )
380	{
381	sprintf( temp, "(%d) Error: second source register index out of range\n", line );
382	errors.set( temp );
383	}
384	break;
385
386	case VS10_M3X2:
387	case VS10_M3X3:
388	case VS10_M3X4:
389	case VS10_M4X3:
390	case VS10_M4X4:
391	{
392	result = src[1].ValidateIndex();
393	if ( !result )
394	{
395	sprintf( temp, "(%d) Error: second source register index out of range\n", line );
396	errors.set( temp );
397	}
398	int orig;
399	orig = src[1].index;
400	switch( instid )
401	{
402	case VS10_M3X2:
403	src[1].index = src[1].index + 1;
404	break;
405	case VS10_M3X3:
406	case VS10_M4X3:
407	src[1].index = src[1].index + 2;
408	break;
409	case VS10_M3X4:
410	case VS10_M4X4:
411	src[1].index = src[1].index + 3;
412	break;
413	}
414	result = src[1].ValidateIndex();
415	src[1].index = orig;
416	if ( !result )
417	{
418	sprintf( temp, "(%d) Error: macro expansion produces source register index out of range\n", line );
419	errors.set( temp );
420	}
421	}
422	break;
423
424	// Trinary operations.
425	case VS10_MAD:
426	result = src[1].ValidateIndex();
427	if ( !result )
428	{
429	sprintf( temp, "(%d) Error: second source register index out of range\n", line );
430	errors.set( temp );
431	}
432	result = src[2].ValidateIndex();
433	if ( !result )
434	{
435	sprintf( temp, "(%d) Error: third source register index out of range\n", line );
436	errors.set( temp );
437	}
438	break;
439	default:
440	errors.set( "VS10Inst::ValidateRegIndices() Internal Error: unknown instruction type\n" );
441	break;
442	}
443	}
444
445	void VS10Inst::ValidateDestMask()
446	{
447	char temp[256];
448	typedef std::map<char, int> MyMap;
449	typedef MyMap::value_type MyPair;
450	static const MyPair pairs[] =
451	{
452	MyPair('x',1),
453	MyPair('y',2),
454	MyPair('z',3),
455	MyPair('w',4),
456	};
457	static const MyMap swizzleMap(pairs, pairs+(sizeof(pairs)/sizeof(pairs[0])));
458
459	if ( dst.mask[0] == 0 ) return;
460	int i = 1;
461	while ( i < 4 && dst.mask[i] != 0 )
462	{
463	MyMap::const_iterator lastMaskIt = swizzleMap.find(dst.mask[i-1]);
464	MyMap::const_iterator curMaskIt = swizzleMap.find(dst.mask[i]);
465	if (lastMaskIt == swizzleMap.end() \|\| curMaskIt == swizzleMap.end() \|\|
466	lastMaskIt->second >= curMaskIt->second)
467	// if ( dst.mask[i-1] >= dst.mask[i] )
468	{
469	char mask[5];
470	strncpy( mask, dst.mask, 4 );
471	mask[4] = 0;
472	sprintf( temp, "(%d) Error: destination register has invalid mask: %s\n", line, mask );
473	errors.set( temp );
474	break;
475	}
476	i++;
477	}
478	}
479
480	void VS10Inst::ValidateSrcMasks()
481	{
482	char temp[256];
483	char mask[5];
484	int len;
485	int i;
486
487	switch( instid )
488	{
489	// Vector operations.
490	case VS10_MOV:
491	case VS10_LIT:
492	strncpy( mask, src[0].mask, 4 );
493	mask[4] = 0;
494	len = strlen( mask );
495	if ( len != 1 )
496	{
497	for ( i = len; i < 4; i++ )
498	src[0].mask[i] = src[0].mask[len-1];
499	}
500	break;
501
502	// Unary operations.
503	case VS10_FRC:
504	strncpy( mask, src[0].mask, 4 );
505	mask[4] = 0;
506	len = strlen( mask );
507	if ( len != 1 )
508	{
509	for ( i = len; i < 4; i++ )
510	src[0].mask[i] = src[0].mask[len-1];
511	}
512	break;
513
514	// Scalar operations.
515	case VS10_EXP:
516	case VS10_EXPP:
517	case VS10_LOG:
518	case VS10_LOGP:
519	strncpy( mask, src[0].mask, 4 );
520	mask[4] = 0;
521	len = strlen( mask );
522	if( len != 1 )
523	{
524	sprintf( temp, "(%d) Error: source register has invalid mask: %s\n", line, mask );
525	errors.set( temp );
526	}
527	break;
528
529	case VS10_RCP:
530	case VS10_RSQ:
531	strncpy( mask, src[0].mask, 4 );
532	mask[4] = 0;
533	len = strlen( mask );
534	if( len != 0 && len != 1 )
535	{
536	sprintf( temp, "(%d) Error: source register has invalid mask: %s\n", line, mask );
537	errors.set( temp );
538	}
539	if ( len == 0 )
540	{
541	strcpy( src[0].mask, "w" );
542	}
543	break;
544
545	// Binary operations.
546	case VS10_ADD:
547	case VS10_DP3:
548	case VS10_DP4:
549	case VS10_DST:
550	case VS10_SGE:
551	case VS10_SLT:
552	case VS10_SUB:
553	case VS10_M3X2:
554	case VS10_M3X3:
555	case VS10_M3X4:
556	case VS10_M4X3:
557	case VS10_M4X4:
558	case VS10_MAX:
559	case VS10_MIN:
560	case VS10_MUL:
561	strncpy( mask, src[0].mask, 4 );
562	mask[4] = 0;
563	len = strlen( mask );
564	if ( len != 0 && len != 1 )
565	{
566	for ( i = len; i < 4; i++ )
567	src[0].mask[i] = src[0].mask[len-1];
568	}
569	strncpy( mask, src[1].mask, 4 );
570	mask[4] = 0;
571	len = strlen( mask );
572	if ( len != 0 && len != 1 )
573	{
574	for ( i = len; i < 4; i++ )
575	src[1].mask[i] = src[1].mask[len-1];
576	}
577	break;
578
579	// Trinary operations.
580	case VS10_MAD:
581	strncpy( mask, src[0].mask, 4 );
582	mask[4] = 0;
583	len = strlen( mask );
584	if ( len != 0 && len != 1 )
585	{
586	for ( i = len; i < 4; i++ )
587	src[0].mask[i] = src[0].mask[len-1];
588	}
589	strncpy( mask, src[1].mask, 4 );
590	mask[4] = 0;
591	len = strlen( mask );
592	if ( len != 0 && len != 1 )
593	{
594	for ( i = len; i < 4; i++ )
595	src[1].mask[i] = src[1].mask[len-1];
596	}
597	strncpy( mask, src[2].mask, 4 );
598	mask[4] = 0;
599	len = strlen( mask );
600	if ( len != 0 && len != 1 )
601	{
602	for ( i = len; i < 4; i++ )
603	src[2].mask[i] = src[2].mask[len-1];
604	}
605	break;
606	default:
607	errors.set( "VS10Inst::ValidateSrcMasks() Internal Error: unknown instruction type\n" );
608	break;
609	}
610	}
611
612	void VS10Inst::ValidateDestWritable()
613	{
614	char temp[256];
615
616	switch ( dst.type )
617	{
618	case TYPE_TEMPORARY_REG:
619	case TYPE_POSITION_RESULT_REG:
620	case TYPE_COLOR_RESULT_REG:
621	case TYPE_TEXTURE_RESULT_REG:
622	case TYPE_FOG_RESULT_REG:
623	case TYPE_POINTS_RESULT_REG:
624	break;
625	case TYPE_VERTEX_ATTRIB_REG:
626	case TYPE_CONSTANT_MEM_REG:
627	case TYPE_CONSTANT_A0_REG:
628	case TYPE_CONSTANT_A0_OFFSET_REG:
629	sprintf( temp, "(%d) Error: destination register is not writable\n", line );
630	errors.set( temp );
631	break;
632	case TYPE_ADDRESS_REG:
633	if ( instid != VS10_MOV )
634	{
635	sprintf( temp, "(%d) Error: destination register is not writable using this instruction\n", line );
636	errors.set( temp );
637	}
638	break;
639	default:
640	errors.set( "VS10Inst::ValidateDestWritable() Internal Error: unknown register type\n" );
641	}
642
643	if ( instid == VS10_FRC && dst.type != TYPE_TEMPORARY_REG )
644	{
645	sprintf( temp, "(%d) Error: destination register must be a temporary register\n", line );
646	errors.set( temp );
647	}
648	}
649
650	void VS10Inst::ValidateSrcReadable()
651	{
652	char temp[256];
653
654	// Source register.
655	switch( src[0].type )
656	{
657	case TYPE_TEMPORARY_REG:
658	case TYPE_VERTEX_ATTRIB_REG:
659	case TYPE_CONSTANT_MEM_REG:
660	case TYPE_CONSTANT_A0_REG:
661	case TYPE_CONSTANT_A0_OFFSET_REG:
662	break;
663	case TYPE_ADDRESS_REG:
664	case TYPE_POSITION_RESULT_REG:
665	case TYPE_COLOR_RESULT_REG:
666	case TYPE_TEXTURE_RESULT_REG:
667	case TYPE_FOG_RESULT_REG:
668	case TYPE_POINTS_RESULT_REG:
669	sprintf( temp, "(%d) Error: source register is not readable\n", line );
670	errors.set( temp );
671	break;
672	default:
673	errors.set( "VS10Inst::ValidateSrcReadable() Internal Error: unknown register type\n" );
674	}
675
676	switch( instid )
677	{
678	// Vector operations.
679	case VS10_MOV:
680	case VS10_LIT:
681	break;
682
683	// Unary operations.
684	case VS10_FRC:
685	break;
686
687	// Scalar operations.
688	case VS10_EXP:
689	case VS10_EXPP:
690	case VS10_LOG:
691	case VS10_LOGP:
692	case VS10_RCP:
693	case VS10_RSQ:
694	break;
695
696	// Binary operations.
697	case VS10_ADD:
698	case VS10_DP3:
699	case VS10_DP4:
700	case VS10_DST:
701	case VS10_SGE:
702	case VS10_SLT:
703	case VS10_SUB:
704	case VS10_M3X2:
705	case VS10_M3X3:
706	case VS10_M3X4:
707	case VS10_M4X3:
708	case VS10_M4X4:
709	case VS10_MAX:
710	case VS10_MIN:
711	case VS10_MUL:
712	switch( src[1].type )
713	{
714	case TYPE_TEMPORARY_REG:
715	case TYPE_VERTEX_ATTRIB_REG:
716	case TYPE_CONSTANT_MEM_REG:
717	case TYPE_CONSTANT_A0_REG:
718	case TYPE_CONSTANT_A0_OFFSET_REG:
719	break;
720	case TYPE_ADDRESS_REG:
721	case TYPE_POSITION_RESULT_REG:
722	case TYPE_COLOR_RESULT_REG:
723	case TYPE_TEXTURE_RESULT_REG:
724	case TYPE_FOG_RESULT_REG:
725	case TYPE_POINTS_RESULT_REG:
726	sprintf( temp, "(%d) Error: second source register is not readable\n", line );
727	errors.set( temp );
728	break;
729	default:
730	errors.set( "VS10Inst::ValidateSrcReadable() Internal Error: unknown register type\n" );
731	}
732	break;
733
734	// Trinary operations.
735	case VS10_MAD:
736	switch( src[1].type )
737	{
738	case TYPE_TEMPORARY_REG:
739	case TYPE_VERTEX_ATTRIB_REG:
740	case TYPE_CONSTANT_MEM_REG:
741	case TYPE_CONSTANT_A0_REG:
742	case TYPE_CONSTANT_A0_OFFSET_REG:
743	break;
744	case TYPE_ADDRESS_REG:
745	case TYPE_POSITION_RESULT_REG:
746	case TYPE_COLOR_RESULT_REG:
747	case TYPE_TEXTURE_RESULT_REG:
748	case TYPE_FOG_RESULT_REG:
749	case TYPE_POINTS_RESULT_REG:
750	sprintf( temp, "(%d) Error: second source register is not readable\n", line );
751	errors.set( temp );
752	break;
753	default:
754	errors.set( "VS10Inst::ValidateSrcReadable() Internal Error: unknown register type\n" );
755	}
756	switch( src[2].type )
757	{
758	case TYPE_TEMPORARY_REG:
759	case TYPE_VERTEX_ATTRIB_REG:
760	case TYPE_CONSTANT_MEM_REG:
761	case TYPE_CONSTANT_A0_REG:
762	case TYPE_CONSTANT_A0_OFFSET_REG:
763	break;
764	case TYPE_ADDRESS_REG:
765	case TYPE_POSITION_RESULT_REG:
766	case TYPE_COLOR_RESULT_REG:
767	case TYPE_TEXTURE_RESULT_REG:
768	case TYPE_FOG_RESULT_REG:
769	case TYPE_POINTS_RESULT_REG:
770	sprintf( temp, "(%d) Error: third source register is not readable\n", line );
771	errors.set( temp );
772	break;
773	default:
774	errors.set( "VS10Inst::ValidateSrcReadable() Internal Error: unknown register type\n" );
775	}
776	break;
777	default:
778	errors.set( "VS10Inst::ValidateSrcReadable() Internal Error: unknown register type\n" );
779	break;
780	}
781	}
782
783	void VS10Inst::ValidateReadPorts()
784	{
785	int constidx[3];
786	int attribidx[3];
787	int i;
788	int acount;
789	int ccount;
790	char temp[256];
791
792	switch( instid )
793	{
794	// Vector operations.
795	case VS10_MOV:
796	case VS10_LIT:
797	break;
798
799	// Unary operations.
800	case VS10_FRC:
801	break;
802
803	// Scalar operations.
804	case VS10_EXP:
805	case VS10_EXPP:
806	case VS10_LOG:
807	case VS10_LOGP:
808	case VS10_RCP:
809	case VS10_RSQ:
810	break;
811
812	// Binary operations.
813	case VS10_ADD:
814	case VS10_DP3:
815	case VS10_DP4:
816	case VS10_DST:
817	case VS10_SGE:
818	case VS10_SLT:
819	case VS10_SUB:
820	case VS10_M3X2:
821	case VS10_M3X3:
822	case VS10_M3X4:
823	case VS10_M4X3:
824	case VS10_M4X4:
825	case VS10_MAX:
826	case VS10_MIN:
827	case VS10_MUL:
828	acount = 0;
829	ccount = 0;
830	for ( i = 0; i < 2; i++ )
831	{
832	switch( src[i].type )
833	{
834	case TYPE_VERTEX_ATTRIB_REG:
835	attribidx[acount] = src[i].index;
836	acount++;
837	break;
838	case TYPE_CONSTANT_MEM_REG:
839	constidx[ccount] = src[i].index;
840	ccount++;
841	break;
842	case TYPE_CONSTANT_A0_REG:
843	constidx[ccount] = 100 + src[i].index;
844	ccount++;
845	break;
846	case TYPE_CONSTANT_A0_OFFSET_REG:
847	constidx[ccount] = 200 + src[i].index;
848	ccount++;
849	break;
850	case TYPE_TEMPORARY_REG:
851	case TYPE_ADDRESS_REG:
852	case TYPE_POSITION_RESULT_REG:
853	case TYPE_COLOR_RESULT_REG:
854	case TYPE_TEXTURE_RESULT_REG:
855	case TYPE_FOG_RESULT_REG:
856	case TYPE_POINTS_RESULT_REG:
857	break;
858	default:
859	errors.set( "VS10Inst::ValidateReadPorts() Internal Error: unknown register type\n" );
860	}
861	}
862	if ( acount == 2 )
863	{
864	if ( attribidx[0] != attribidx[1] )
865	{
866	sprintf( temp, "(%d) Error: multiple unique attribute registers accessed in this instruction\n", line );
867	errors.set( temp );
868	}
869	}
870	else if ( ccount == 2 )
871	{
872	if ( constidx[0] != constidx[1] )
873	{
874	sprintf( temp, "(%d) Error: multiple unique constant registers accessed in this instruction\n", line );
875	errors.set( temp );
876	}
877	}
878	break;
879
880	// Trinary operations.
881	case VS10_MAD:
882	acount = 0;
883	ccount = 0;
884	for ( i = 0; i < 3; i++ )
885	{
886	switch( src[i].type )
887	{
888	case TYPE_VERTEX_ATTRIB_REG:
889	attribidx[acount] = src[i].index;
890	acount++;
891	break;
892	case TYPE_CONSTANT_MEM_REG:
893	constidx[ccount] = src[i].index;
894	ccount++;
895	break;
896	case TYPE_CONSTANT_A0_REG:
897	constidx[ccount] = 100 + src[i].index;
898	ccount++;
899	break;
900	case TYPE_CONSTANT_A0_OFFSET_REG:
901	constidx[ccount] = 200 + src[i].index;
902	ccount++;
903	break;
904	case TYPE_TEMPORARY_REG:
905	case TYPE_ADDRESS_REG:
906	case TYPE_POSITION_RESULT_REG:
907	case TYPE_COLOR_RESULT_REG:
908	case TYPE_TEXTURE_RESULT_REG:
909	case TYPE_FOG_RESULT_REG:
910	case TYPE_POINTS_RESULT_REG:
911	break;
912	default:
913	errors.set( "VS10Inst::ValidateReadPorts() Internal Error: unknown register type\n" );
914	}
915	}
916	if ( acount == 3 )
917	{
918	if ( attribidx[0] != attribidx[1] \|\| attribidx[1] != attribidx[2] )
919	{
920	sprintf( temp, "(%d) Error: multiple unique attribute registers accessed in this instruction\n", line );
921	errors.set( temp );
922	}
923	}
924	else if ( acount == 2 )
925	{
926	if ( attribidx[0] != attribidx[1] )
927	{
928	sprintf( temp, "(%d) Error: multiple unique attribute registers accessed in this instruction\n", line );
929	errors.set( temp );
930	}
931	}
932	else if ( ccount == 3 )
933	{
934	if ( constidx[0] != constidx[1] \|\| constidx[1] != constidx[2] )
935	{
936	sprintf( temp, "(%d) Error: multiple unique constant registers accessed in this instruction\n", line );
937	errors.set( temp );
938	}
939	}
940	else if ( ccount == 2 )
941	{
942	if ( constidx[0] != constidx[1] )
943	{
944	sprintf( temp, "(%d) Error: multiple unique constant registers accessed in this instruction\n", line );
945	errors.set( temp );
946	}
947	}
948	break;
949	default:
950	errors.set( "VS10Inst::ValidateSrcReadable() Internal Error: unknown register type\n" );
951	break;
952	}
953	}
954
955	int VS10Inst::Translate()
956	{
957	int flag;
958	int ninstr;
959
960	#if DEBUGGING_PURPOSES
961	char mystr[16];
962	if ( instid == VS10_HEADER )
963	{
964	sprintf( mystr, "%d:\tvs.1.0 (skip)\n", line );
965	vs10_transstring.append( mystr );
966	return 0;
967	}
968	sprintf( mystr, "%d:\t", line );
969	vs10_transstring.append( mystr );
970	#endif
971
972	switch( instid )
973	{
974	case VS10_ADD:
975	vs10_transstring.append( "ADD " );
976	dst.Translate();
977	vs10_transstring.append( ", " );
978	src[0].Translate();
979	vs10_transstring.append( ", " );
980	src[1].Translate();
981	ninstr = 1;
982	break;
983	case VS10_DP3:
984	vs10_transstring.append( "DP3 " );
985	dst.Translate();
986	vs10_transstring.append( ", " );
987	src[0].Translate();
988	vs10_transstring.append( ", " );
989	src[1].Translate();
990	ninstr = 1;
991	break;
992	case VS10_DP4:
993	vs10_transstring.append( "DP4 " );
994	dst.Translate();
995	vs10_transstring.append( ", " );
996	src[0].Translate();
997	vs10_transstring.append( ", " );
998	src[1].Translate();
999	ninstr = 1;
1000	break;
1001	case VS10_DST:
1002	vs10_transstring.append( "DST " );
1003	dst.Translate();
1004	vs10_transstring.append( ", " );
1005	src[0].Translate();
1006	vs10_transstring.append( ", " );
1007	src[1].Translate();
1008	ninstr = 1;
1009	break;
1010	case VS10_EXP:
1011	vs10_transstring.append( "EXP " );
1012	dst.Translate();
1013	vs10_transstring.append( ", " );
1014	src[0].Translate();
1015	ninstr = 1;
1016	break;
1017	case VS10_EXPP:
1018	vs10_transstring.append( "EXP " );
1019	dst.Translate();
1020	vs10_transstring.append( ", " );
1021	src[0].Translate();
1022	ninstr = 1;
1023	break;
1024	case VS10_FRC:
1025	char temp[128];
1026	sprintf( temp, "(%d) Error: FRC built-in macro not yet supported.\n", line );
1027	errors.set( temp );
1028	ninstr = 0;
1029	break;
1030	case VS10_LIT:
1031	vs10_transstring.append( "LIT " );
1032	dst.Translate();
1033	vs10_transstring.append( ", " );
1034	src[0].Translate();
1035	ninstr = 1;
1036	break;
1037	case VS10_LOG:
1038	vs10_transstring.append( "LOG " );
1039	dst.Translate();
1040	vs10_transstring.append( ", " );
1041	src[0].Translate();
1042	ninstr = 1;
1043	break;
1044	case VS10_LOGP:
1045	vs10_transstring.append( "LOG " );
1046	dst.Translate();
1047	vs10_transstring.append( ", " );
1048	src[0].Translate();
1049	ninstr = 1;
1050	break;
1051	case VS10_M3X2:
1052	case VS10_M3X3:
1053	case VS10_M3X4:
1054	if ( dst.mask[0] != 0 )
1055	{
1056	ninstr = 0;
1057	int i = 0;
1058	while ( i < 4 && dst.mask[i] != 0 )
1059	{
1060	if ( dst.mask[i] == 'x' )
1061	{
1062	char oldval;
1063	vs10_transstring.append( "DP3 " );
1064	oldval = dst.mask[0];
1065	dst.mask[0] = 0;
1066	dst.Translate();
1067	dst.mask[0] = oldval;
1068	vs10_transstring.append( ".x, " );
1069	src[0].Translate();
1070	vs10_transstring.append( ", " );
1071	src[1].Translate();
1072	vs10_transstring.append( ";\n" );
1073	ninstr++;
1074	}
1075	if ( dst.mask[i] == 'y' )
1076	{
1077	char oldval;
1078	int oldindex;
1079	vs10_transstring.append( "DP3 " );
1080	oldval = dst.mask[0];
1081	dst.mask[0] = 0;
1082	dst.Translate();
1083	dst.mask[0] = oldval;
1084	vs10_transstring.append( ".y, " );
1085	src[0].Translate();
1086	vs10_transstring.append( ", " );
1087	oldindex = src[1].index;
1088	src[1].index = src[1].index + 1;
1089	src[1].Translate();
1090	src[1].index = oldindex;
1091	vs10_transstring.append( ";\n" );
1092	ninstr++;
1093	}
1094	if ( dst.mask[i] == 'z' && (instid == VS10_M3X3 \|\| instid == VS10_M3X4) )
1095	{
1096	char oldval;
1097	int oldindex;
1098	vs10_transstring.append( "DP3 " );
1099	oldval = dst.mask[0];
1100	dst.mask[0] = 0;
1101	dst.Translate();
1102	dst.mask[0] = oldval;
1103	vs10_transstring.append( ".z, " );
1104	src[0].Translate();
1105	vs10_transstring.append( ", " );
1106	oldindex = src[1].index;
1107	src[1].index = src[1].index + 2;
1108	src[1].Translate();
1109	src[1].index = oldindex;
1110	vs10_transstring.append( ";\n" );
1111	ninstr++;
1112	}
1113	if ( dst.mask[i] == 'w' && instid == VS10_M3X4 )
1114	{
1115	char oldval;
1116	int oldindex;
1117	vs10_transstring.append( "DP3 " );
1118	oldval = dst.mask[0];
1119	dst.mask[0] = 0;
1120	dst.Translate();
1121	dst.mask[0] = oldval;
1122	vs10_transstring.append( ".w, " );
1123	src[0].Translate();
1124	vs10_transstring.append( ", " );
1125	oldindex = src[1].index;
1126	src[1].index = src[1].index + 3;
1127	src[1].Translate();
1128	src[1].index = oldindex;
1129	vs10_transstring.append( ";\n" );
1130	ninstr++;
1131	}
1132	i++;
1133	}
1134	return ninstr;
1135	}
1136	else
1137	{
1138	ninstr = 0;
1139
1140	char oldval;
1141	int oldindex;
1142
1143	vs10_transstring.append( "DP3 " );
1144	oldval = dst.mask[0];
1145	dst.mask[0] = 0;
1146	dst.Translate();
1147	dst.mask[0] = oldval;
1148	vs10_transstring.append( ".x, " );
1149	src[0].Translate();
1150	vs10_transstring.append( ", " );
1151	src[1].Translate();
1152	vs10_transstring.append( ";\n" );
1153	ninstr++;
1154
1155	vs10_transstring.append( "DP3 " );
1156	oldval = dst.mask[0];
1157	dst.mask[0] = 0;
1158	dst.Translate();
1159	dst.mask[0] = oldval;
1160	vs10_transstring.append( ".y, " );
1161	src[0].Translate();
1162	vs10_transstring.append( ", " );
1163	oldindex = src[1].index;
1164	src[1].index = src[1].index + 1;
1165	src[1].Translate();
1166	src[1].index = oldindex;
1167	vs10_transstring.append( ";\n" );
1168	ninstr++;
1169
1170	if ( instid == VS10_M3X3 \|\| instid == VS10_M3X4 )
1171	{
1172	vs10_transstring.append( "DP3 " );
1173	oldval = dst.mask[0];
1174	dst.mask[0] = 0;
1175	dst.Translate();
1176	dst.mask[0] = oldval;
1177	vs10_transstring.append( ".z, " );
1178	src[0].Translate();
1179	vs10_transstring.append( ", " );
1180	oldindex = src[1].index;
1181	src[1].index = src[1].index + 2;
1182	src[1].Translate();
1183	src[1].index = oldindex;
1184	vs10_transstring.append( ";\n" );
1185	ninstr++;
1186	}
1187
1188	if ( instid == VS10_M3X4 )
1189	{
1190	vs10_transstring.append( "DP3 " );
1191	oldval = dst.mask[0];
1192	dst.mask[0] = 0;
1193	dst.Translate();
1194	dst.mask[0] = oldval;
1195	vs10_transstring.append( ".w, " );
1196	src[0].Translate();
1197	vs10_transstring.append( ", " );
1198	oldindex = src[1].index;
1199	src[1].index = src[1].index + 3;
1200	src[1].Translate();
1201	src[1].index = oldindex;
1202	vs10_transstring.append( ";\n" );
1203	ninstr++;
1204	}
1205	return ninstr;
1206	}
1207	break;
1208	case VS10_M4X3:
1209	case VS10_M4X4:
1210	if ( dst.mask[0] != 0 )
1211	{
1212	ninstr = 0;
1213	int i = 0;
1214	while ( i < 4 && dst.mask[i] != 0 )
1215	{
1216	if ( dst.mask[i] == 'x' )
1217	{
1218	char oldval;
1219	vs10_transstring.append( "DP4 " );
1220	oldval = dst.mask[0];
1221	dst.mask[0] = 0;
1222	dst.Translate();
1223	dst.mask[0] = oldval;
1224	vs10_transstring.append( ".x, " );
1225	src[0].Translate();
1226	vs10_transstring.append( ", " );
1227	src[1].Translate();
1228	vs10_transstring.append( ";\n" );
1229	ninstr++;
1230	}
1231	if ( dst.mask[i] == 'y' )
1232	{
1233	char oldval;
1234	int oldindex;
1235	vs10_transstring.append( "DP4 " );
1236	oldval = dst.mask[0];
1237	dst.mask[0] = 0;
1238	dst.Translate();
1239	dst.mask[0] = oldval;
1240	vs10_transstring.append( ".y, " );
1241	src[0].Translate();
1242	vs10_transstring.append( ", " );
1243	oldindex = src[1].index;
1244	src[1].index = src[1].index + 1;
1245	src[1].Translate();
1246	src[1].index = oldindex;
1247	vs10_transstring.append( ";\n" );
1248	ninstr++;
1249	}
1250	if ( dst.mask[i] == 'z' )
1251	{
1252	char oldval;
1253	int oldindex;
1254	vs10_transstring.append( "DP4 " );
1255	oldval = dst.mask[0];
1256	dst.mask[0] = 0;
1257	dst.Translate();
1258	dst.mask[0] = oldval;
1259	vs10_transstring.append( ".z, " );
1260	src[0].Translate();
1261	vs10_transstring.append( ", " );
1262	oldindex = src[1].index;
1263	src[1].index = src[1].index + 2;
1264	src[1].Translate();
1265	src[1].index = oldindex;
1266	vs10_transstring.append( ";\n" );
1267	ninstr++;
1268	}
1269	if ( dst.mask[i] == 'w' && instid == VS10_M4X4 )
1270	{
1271	char oldval;
1272	int oldindex;
1273	vs10_transstring.append( "DP4 " );
1274	oldval = dst.mask[0];
1275	dst.mask[0] = 0;
1276	dst.Translate();
1277	dst.mask[0] = oldval;
1278	vs10_transstring.append( ".w, " );
1279	src[0].Translate();
1280	vs10_transstring.append( ", " );
1281	oldindex = src[1].index;
1282	src[1].index = src[1].index + 3;
1283	src[1].Translate();
1284	src[1].index = oldindex;
1285	vs10_transstring.append( ";\n" );
1286	ninstr++;
1287	}
1288	i++;
1289	}
1290	return ninstr;
1291	}
1292	else
1293	{
1294	ninstr = 0;
1295
1296	char oldval;
1297	int oldindex;
1298
1299	vs10_transstring.append( "DP4 " );
1300	oldval = dst.mask[0];
1301	dst.mask[0] = 0;
1302	dst.Translate();
1303	dst.mask[0] = oldval;
1304	vs10_transstring.append( ".x, " );
1305	src[0].Translate();
1306	vs10_transstring.append( ", " );
1307	src[1].Translate();
1308	vs10_transstring.append( ";\n" );
1309	ninstr++;
1310
1311	vs10_transstring.append( "DP4 " );
1312	oldval = dst.mask[0];
1313	dst.mask[0] = 0;
1314	dst.Translate();
1315	dst.mask[0] = oldval;
1316	vs10_transstring.append( ".y, " );
1317	src[0].Translate();
1318	vs10_transstring.append( ", " );
1319	oldindex = src[1].index;
1320	src[1].index = src[1].index + 1;
1321	src[1].Translate();
1322	src[1].index = oldindex;
1323	vs10_transstring.append( ";\n" );
1324	ninstr++;
1325
1326	vs10_transstring.append( "DP4 " );
1327	oldval = dst.mask[0];
1328	dst.mask[0] = 0;
1329	dst.Translate();
1330	dst.mask[0] = oldval;
1331	vs10_transstring.append( ".z, " );
1332	src[0].Translate();
1333	vs10_transstring.append( ", " );
1334	oldindex = src[1].index;
1335	src[1].index = src[1].index + 2;
1336	src[1].Translate();
1337	src[1].index = oldindex;
1338	vs10_transstring.append( ";\n" );
1339	ninstr++;
1340
1341	if ( instid == VS10_M4X4 )
1342	{
1343	vs10_transstring.append( "DP4 " );
1344	oldval = dst.mask[0];
1345	dst.mask[0] = 0;
1346	dst.Translate();
1347	dst.mask[0] = oldval;
1348	vs10_transstring.append( ".w, " );
1349	src[0].Translate();
1350	vs10_transstring.append( ", " );
1351	oldindex = src[1].index;
1352	src[1].index = src[1].index + 3;
1353	src[1].Translate();
1354	src[1].index = oldindex;
1355	vs10_transstring.append( ";\n" );
1356	ninstr++;
1357	}
1358	return ninstr;
1359	}
1360	break;
1361	case VS10_MAD:
1362	vs10_transstring.append( "MAD " );
1363	dst.Translate();
1364	vs10_transstring.append( ", " );
1365	src[0].Translate();
1366	vs10_transstring.append( ", " );
1367	src[1].Translate();
1368	vs10_transstring.append( ", " );
1369	src[2].Translate();
1370	ninstr = 1;
1371	break;
1372	case VS10_MAX:
1373	vs10_transstring.append( "MAX " );
1374	dst.Translate();
1375	vs10_transstring.append( ", " );
1376	src[0].Translate();
1377	vs10_transstring.append( ", " );
1378	src[1].Translate();
1379	ninstr = 1;
1380	break;
1381	case VS10_MIN:
1382	vs10_transstring.append( "MIN " );
1383	dst.Translate();
1384	vs10_transstring.append( ", " );
1385	src[0].Translate();
1386	vs10_transstring.append( ", " );
1387	src[1].Translate();
1388	ninstr = 1;
1389	break;
1390	case VS10_MOV:
1391	if ( dst.type == TYPE_ADDRESS_REG )
1392	vs10_transstring.append( "ARL " );
1393	else
1394	vs10_transstring.append( "MOV " );
1395	dst.Translate();
1396	vs10_transstring.append( ", " );
1397	src[0].Translate();
1398	ninstr = 1;
1399	break;
1400	case VS10_MUL:
1401	vs10_transstring.append( "MUL " );
1402	dst.Translate();
1403	vs10_transstring.append( ", " );
1404	src[0].Translate();
1405	vs10_transstring.append( ", " );
1406	src[1].Translate();
1407	ninstr = 1;
1408	break;
1409	case VS10_NOP:
1410	return 0;
1411	break;
1412	case VS10_RCP:
1413	vs10_transstring.append( "RCP " );
1414	dst.Translate();
1415	vs10_transstring.append( ", " );
1416	src[0].Translate();
1417	ninstr = 1;
1418	break;
1419	case VS10_RSQ:
1420	vs10_transstring.append( "RSQ " );
1421	dst.Translate();
1422	vs10_transstring.append( ", " );
1423	src[0].Translate();
1424	ninstr = 1;
1425	break;
1426	case VS10_SGE:
1427	vs10_transstring.append( "SGE " );
1428	dst.Translate();
1429	vs10_transstring.append( ", " );
1430	src[0].Translate();
1431	vs10_transstring.append( ", " );
1432	src[1].Translate();
1433	ninstr = 1;
1434	break;
1435	case VS10_SLT:
1436	vs10_transstring.append( "SLT " );
1437	dst.Translate();
1438	vs10_transstring.append( ", " );
1439	src[0].Translate();
1440	vs10_transstring.append( ", " );
1441	src[1].Translate();
1442	ninstr = 1;
1443	break;
1444	case VS10_SUB:
1445	vs10_transstring.append( "ADD " );
1446	dst.Translate();
1447	vs10_transstring.append( ", " );
1448	src[0].Translate();
1449	vs10_transstring.append( ", " );
1450	flag = src[1].sign;
1451	if ( flag == -1 ) src[1].sign = 1;
1452	else src[1].sign = -1;
1453	src[1].Translate();
1454	src[1].sign = flag;
1455	ninstr = 1;
1456	break;
1457	case VS10_COMMENT:
1458	vs10_transstring.append( comment );
1459	return 0;
1460	break;
1461	case VS10_HEADER:
1462	//vs10_transstring.append( "!!VP1.0\n" );
1463	return 0;
1464	break;
1465	case -1:
1466	vs10_transstring.append( "\n" );
1467	return 0;
1468	default:
1469	errors.set( "VS10Inst::Translate() Internal Error: unknown instruction type\n" );
1470	}
1471
1472	vs10_transstring.append( ";\n" );
1473	return ninstr;
1474	}

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source: OGRE/trunk/ogrenew/RenderSystems/GL/src/nvparse/vs1.0_inst.cpp @ 692

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