1 /* $Id: varray.c,v 1.21 2000/02/25 03:55:40 keithw Exp $ */
4 * Mesa 3-D graphics library
7 * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
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:
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
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.
42 #include "translate.h"
48 #include "vbindirect.h"
56 _mesa_VertexPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
58 GET_CURRENT_CONTEXT(ctx
);
60 if (size
<2 || size
>4) {
61 gl_error( ctx
, GL_INVALID_VALUE
, "glVertexPointer(size)" );
65 gl_error( ctx
, GL_INVALID_VALUE
, "glVertexPointer(stride)" );
69 if (MESA_VERBOSE
&(VERBOSE_VARRAY
|VERBOSE_API
))
70 fprintf(stderr
, "glVertexPointer( sz %d type %s stride %d )\n", size
,
71 gl_lookup_enum_by_nr( type
),
74 ctx
->Array
.Vertex
.StrideB
= stride
;
78 ctx
->Array
.Vertex
.StrideB
= size
*sizeof(GLshort
);
81 ctx
->Array
.Vertex
.StrideB
= size
*sizeof(GLint
);
84 ctx
->Array
.Vertex
.StrideB
= size
*sizeof(GLfloat
);
87 ctx
->Array
.Vertex
.StrideB
= size
*sizeof(GLdouble
);
90 gl_error( ctx
, GL_INVALID_ENUM
, "glVertexPointer(type)" );
94 ctx
->Array
.Vertex
.Size
= size
;
95 ctx
->Array
.Vertex
.Type
= type
;
96 ctx
->Array
.Vertex
.Stride
= stride
;
97 ctx
->Array
.Vertex
.Ptr
= (void *) ptr
;
98 ctx
->Array
.VertexFunc
= gl_trans_4f_tab
[size
][TYPE_IDX(type
)];
99 ctx
->Array
.VertexEltFunc
= gl_trans_elt_4f_tab
[size
][TYPE_IDX(type
)];
100 ctx
->Array
.NewArrayState
|= VERT_OBJ_ANY
;
101 ctx
->NewState
|= NEW_CLIENT_STATE
;
108 _mesa_NormalPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
110 GET_CURRENT_CONTEXT(ctx
);
113 gl_error( ctx
, GL_INVALID_VALUE
, "glNormalPointer(stride)" );
117 if (MESA_VERBOSE
&(VERBOSE_VARRAY
|VERBOSE_API
))
118 fprintf(stderr
, "glNormalPointer( type %s stride %d )\n",
119 gl_lookup_enum_by_nr( type
),
122 ctx
->Array
.Normal
.StrideB
= stride
;
126 ctx
->Array
.Normal
.StrideB
= 3*sizeof(GLbyte
);
129 ctx
->Array
.Normal
.StrideB
= 3*sizeof(GLshort
);
132 ctx
->Array
.Normal
.StrideB
= 3*sizeof(GLint
);
135 ctx
->Array
.Normal
.StrideB
= 3*sizeof(GLfloat
);
138 ctx
->Array
.Normal
.StrideB
= 3*sizeof(GLdouble
);
141 gl_error( ctx
, GL_INVALID_ENUM
, "glNormalPointer(type)" );
145 ctx
->Array
.Normal
.Type
= type
;
146 ctx
->Array
.Normal
.Stride
= stride
;
147 ctx
->Array
.Normal
.Ptr
= (void *) ptr
;
148 ctx
->Array
.NormalFunc
= gl_trans_3f_tab
[TYPE_IDX(type
)];
149 ctx
->Array
.NormalEltFunc
= gl_trans_elt_3f_tab
[TYPE_IDX(type
)];
150 ctx
->Array
.NewArrayState
|= VERT_NORM
;
151 ctx
->NewState
|= NEW_CLIENT_STATE
;
157 _mesa_ColorPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
159 GET_CURRENT_CONTEXT(ctx
);
161 if (size
<3 || size
>4) {
162 gl_error( ctx
, GL_INVALID_VALUE
, "glColorPointer(size)" );
166 gl_error( ctx
, GL_INVALID_VALUE
, "glColorPointer(stride)" );
170 if (MESA_VERBOSE
&(VERBOSE_VARRAY
|VERBOSE_API
))
171 fprintf(stderr
, "glColorPointer( sz %d type %s stride %d )\n", size
,
172 gl_lookup_enum_by_nr( type
),
175 ctx
->Array
.Color
.StrideB
= stride
;
179 ctx
->Array
.Color
.StrideB
= size
*sizeof(GLbyte
);
181 case GL_UNSIGNED_BYTE
:
182 ctx
->Array
.Color
.StrideB
= size
*sizeof(GLubyte
);
185 ctx
->Array
.Color
.StrideB
= size
*sizeof(GLshort
);
187 case GL_UNSIGNED_SHORT
:
188 ctx
->Array
.Color
.StrideB
= size
*sizeof(GLushort
);
191 ctx
->Array
.Color
.StrideB
= size
*sizeof(GLint
);
193 case GL_UNSIGNED_INT
:
194 ctx
->Array
.Color
.StrideB
= size
*sizeof(GLuint
);
197 ctx
->Array
.Color
.StrideB
= size
*sizeof(GLfloat
);
200 ctx
->Array
.Color
.StrideB
= size
*sizeof(GLdouble
);
203 gl_error( ctx
, GL_INVALID_ENUM
, "glColorPointer(type)" );
207 ctx
->Array
.Color
.Size
= size
;
208 ctx
->Array
.Color
.Type
= type
;
209 ctx
->Array
.Color
.Stride
= stride
;
210 ctx
->Array
.Color
.Ptr
= (void *) ptr
;
211 ctx
->Array
.ColorFunc
= gl_trans_4ub_tab
[size
][TYPE_IDX(type
)];
212 ctx
->Array
.ColorEltFunc
= gl_trans_elt_4ub_tab
[size
][TYPE_IDX(type
)];
213 ctx
->Array
.NewArrayState
|= VERT_RGBA
;
214 ctx
->NewState
|= NEW_CLIENT_STATE
;
220 _mesa_IndexPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
222 GET_CURRENT_CONTEXT(ctx
);
225 gl_error( ctx
, GL_INVALID_VALUE
, "glIndexPointer(stride)" );
229 ctx
->Array
.Index
.StrideB
= stride
;
232 case GL_UNSIGNED_BYTE
:
233 ctx
->Array
.Index
.StrideB
= sizeof(GLubyte
);
236 ctx
->Array
.Index
.StrideB
= sizeof(GLshort
);
239 ctx
->Array
.Index
.StrideB
= sizeof(GLint
);
242 ctx
->Array
.Index
.StrideB
= sizeof(GLfloat
);
245 ctx
->Array
.Index
.StrideB
= sizeof(GLdouble
);
248 gl_error( ctx
, GL_INVALID_ENUM
, "glIndexPointer(type)" );
252 ctx
->Array
.Index
.Type
= type
;
253 ctx
->Array
.Index
.Stride
= stride
;
254 ctx
->Array
.Index
.Ptr
= (void *) ptr
;
255 ctx
->Array
.IndexFunc
= gl_trans_1ui_tab
[TYPE_IDX(type
)];
256 ctx
->Array
.IndexEltFunc
= gl_trans_elt_1ui_tab
[TYPE_IDX(type
)];
257 ctx
->Array
.NewArrayState
|= VERT_INDEX
;
258 ctx
->NewState
|= NEW_CLIENT_STATE
;
264 _mesa_TexCoordPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
)
266 GET_CURRENT_CONTEXT(ctx
);
269 texUnit
= ctx
->Array
.ActiveTexture
;
271 if (size
<1 || size
>4) {
272 gl_error( ctx
, GL_INVALID_VALUE
, "glTexCoordPointer(size)" );
276 gl_error( ctx
, GL_INVALID_VALUE
, "glTexCoordPointer(stride)" );
280 if (MESA_VERBOSE
&(VERBOSE_VARRAY
|VERBOSE_API
))
281 fprintf(stderr
, "glTexCoordPointer( unit %u sz %d type %s stride %d )\n",
284 gl_lookup_enum_by_nr( type
),
287 ctx
->Array
.TexCoord
[texUnit
].StrideB
= stride
;
291 ctx
->Array
.TexCoord
[texUnit
].StrideB
= size
*sizeof(GLshort
);
294 ctx
->Array
.TexCoord
[texUnit
].StrideB
= size
*sizeof(GLint
);
297 ctx
->Array
.TexCoord
[texUnit
].StrideB
= size
*sizeof(GLfloat
);
300 ctx
->Array
.TexCoord
[texUnit
].StrideB
= size
*sizeof(GLdouble
);
303 gl_error( ctx
, GL_INVALID_ENUM
, "glTexCoordPointer(type)" );
307 ctx
->Array
.TexCoord
[texUnit
].Size
= size
;
308 ctx
->Array
.TexCoord
[texUnit
].Type
= type
;
309 ctx
->Array
.TexCoord
[texUnit
].Stride
= stride
;
310 ctx
->Array
.TexCoord
[texUnit
].Ptr
= (void *) ptr
;
312 ctx
->Array
.TexCoordFunc
[texUnit
] = gl_trans_4f_tab
[size
][TYPE_IDX(type
)];
313 ctx
->Array
.TexCoordEltFunc
[texUnit
] = gl_trans_elt_4f_tab
[size
][TYPE_IDX(type
)];
314 ctx
->Array
.NewArrayState
|= PIPE_TEX(texUnit
);
315 ctx
->NewState
|= NEW_CLIENT_STATE
;
322 _mesa_EdgeFlagPointer(GLsizei stride
, const void *vptr
)
324 GET_CURRENT_CONTEXT(ctx
);
325 const GLboolean
*ptr
= (GLboolean
*)vptr
;
328 gl_error( ctx
, GL_INVALID_VALUE
, "glEdgeFlagPointer(stride)" );
331 ctx
->Array
.EdgeFlag
.Stride
= stride
;
332 ctx
->Array
.EdgeFlag
.StrideB
= stride
? stride
: sizeof(GLboolean
);
333 ctx
->Array
.EdgeFlag
.Ptr
= (GLboolean
*) ptr
;
334 if (stride
!= sizeof(GLboolean
)) {
335 ctx
->Array
.EdgeFlagFunc
= gl_trans_1ub_tab
[TYPE_IDX(GL_UNSIGNED_BYTE
)];
337 ctx
->Array
.EdgeFlagFunc
= 0;
339 ctx
->Array
.EdgeFlagEltFunc
= gl_trans_elt_1ub_tab
[TYPE_IDX(GL_UNSIGNED_BYTE
)];
340 ctx
->Array
.NewArrayState
|= VERT_EDGE
;
341 ctx
->NewState
|= NEW_CLIENT_STATE
;
346 /* Called only from gl_DrawElements
348 static void gl_CVAEltPointer( GLcontext
*ctx
, GLenum type
, const GLvoid
*ptr
)
351 case GL_UNSIGNED_BYTE
:
352 ctx
->CVA
.Elt
.StrideB
= sizeof(GLubyte
);
354 case GL_UNSIGNED_SHORT
:
355 ctx
->CVA
.Elt
.StrideB
= sizeof(GLushort
);
357 case GL_UNSIGNED_INT
:
358 ctx
->CVA
.Elt
.StrideB
= sizeof(GLuint
);
361 gl_error( ctx
, GL_INVALID_ENUM
, "glEltPointer(type)" );
364 ctx
->CVA
.Elt
.Type
= type
;
365 ctx
->CVA
.Elt
.Stride
= 0;
366 ctx
->CVA
.Elt
.Ptr
= (void *) ptr
;
367 ctx
->CVA
.EltFunc
= gl_trans_1ui_tab
[TYPE_IDX(type
)];
368 ctx
->Array
.NewArrayState
|= VERT_ELT
; /* ??? */
373 /* KW: Batch function to exec all the array elements in the input
374 * buffer prior to transform. Done only the first time a vertex
375 * buffer is executed or compiled.
377 * KW: Have to do this after each glEnd if cva isn't active. (also
378 * have to do it after each full buffer)
380 void gl_exec_array_elements( GLcontext
*ctx
, struct immediate
*IM
,
384 GLuint
*flags
= IM
->Flag
;
385 GLuint
*elts
= IM
->Elt
;
386 GLuint translate
= ctx
->Array
.Flags
;
389 if (MESA_VERBOSE
&VERBOSE_IMMEDIATE
)
390 fprintf(stderr
, "exec_array_elements %d .. %d\n", start
, count
);
392 if (translate
& VERT_OBJ_ANY
)
393 (ctx
->Array
.VertexEltFunc
)( IM
->Obj
,
395 flags
, elts
, (VERT_ELT
|VERT_OBJ_ANY
),
398 if (translate
& VERT_NORM
)
399 (ctx
->Array
.NormalEltFunc
)( IM
->Normal
,
401 flags
, elts
, (VERT_ELT
|VERT_NORM
),
404 if (translate
& VERT_EDGE
)
405 (ctx
->Array
.EdgeFlagEltFunc
)( IM
->EdgeFlag
,
406 &ctx
->Array
.EdgeFlag
,
407 flags
, elts
, (VERT_ELT
|VERT_EDGE
),
410 if (translate
& VERT_RGBA
)
411 (ctx
->Array
.ColorEltFunc
)( IM
->Color
,
413 flags
, elts
, (VERT_ELT
|VERT_RGBA
),
416 if (translate
& VERT_INDEX
)
417 (ctx
->Array
.IndexEltFunc
)( IM
->Index
,
419 flags
, elts
, (VERT_ELT
|VERT_INDEX
),
422 if (translate
& VERT_TEX0_ANY
)
423 (ctx
->Array
.TexCoordEltFunc
[0])( IM
->TexCoord
[0],
424 &ctx
->Array
.TexCoord
[0],
425 flags
, elts
, (VERT_ELT
|VERT_TEX0_ANY
),
428 if (translate
& VERT_TEX1_ANY
)
429 (ctx
->Array
.TexCoordEltFunc
[1])( IM
->TexCoord
[1],
430 &ctx
->Array
.TexCoord
[1],
431 flags
, elts
, (VERT_ELT
|VERT_TEX1_ANY
),
435 for (i
= start
; i
< count
; i
++)
436 if (flags
[i
] & VERT_ELT
)
437 flags
[i
] |= translate
;
443 /* Enough funny business going on in here it might be quicker to use a
446 #define ARRAY_ELT( IM, i ) \
448 GLuint count = IM->Count; \
449 IM->Elt[count] = i; \
450 IM->Flag[count] = ((IM->Flag[count] & IM->ArrayAndFlags) | \
452 IM->FlushElt |= IM->ArrayEltFlush; \
453 IM->Count = count += IM->ArrayIncr; \
454 if (count == VB_MAX) \
455 IM->maybe_transform_vb( IM ); \
460 _mesa_ArrayElement( GLint i
)
468 gl_ArrayElement( GLcontext
*CC
, GLint i
)
470 struct immediate
*im
= CC
->input
;
477 _mesa_DrawArrays(GLenum mode
, GLint start
, GLsizei count
)
479 GET_CURRENT_CONTEXT(ctx
);
480 struct vertex_buffer
*VB
= ctx
->VB
;
483 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
, "glDrawArrays");
486 gl_error( ctx
, GL_INVALID_VALUE
, "glDrawArrays(count)" );
490 if (!ctx
->CompileFlag
&& ctx
->Array
.Vertex
.Enabled
)
492 GLint remaining
= count
;
494 struct gl_client_array
*Normal
;
495 struct gl_client_array
*Color
;
496 struct gl_client_array
*Index
;
497 struct gl_client_array
*TexCoord
[MAX_TEXTURE_UNITS
];
498 struct gl_client_array
*EdgeFlag
;
499 struct immediate
*IM
= VB
->IM
;
500 struct gl_pipeline
*elt
= &ctx
->CVA
.elt
;
502 GLuint fallback
, required
;
505 gl_update_state( ctx
);
507 /* Just turn off cva on this path. Could be useful for multipass
508 * rendering to keep it turned on.
510 relock
= ctx
->CompileCVAFlag
;
513 ctx
->CompileCVAFlag
= 0;
514 elt
->pipeline_valid
= 0;
517 if (!elt
->pipeline_valid
)
518 gl_build_immediate_pipeline( ctx
);
520 required
= elt
->inputs
;
521 fallback
= (elt
->inputs
& ~ctx
->Array
.Summary
);
523 /* The translate function doesn't do anything about size. It
524 * just ensures that type and stride come out right.
526 IM
->v
.Obj
.size
= ctx
->Array
.Vertex
.Size
;
528 if (required
& VERT_RGBA
)
530 Color
= &ctx
->Array
.Color
;
531 if (fallback
& VERT_RGBA
) {
532 Color
= &ctx
->Fallback
.Color
;
533 ctx
->Array
.ColorFunc
=
534 gl_trans_4ub_tab
[4][TYPE_IDX(GL_UNSIGNED_BYTE
)];
538 if (required
& VERT_INDEX
)
540 Index
= &ctx
->Array
.Index
;
541 if (fallback
& VERT_INDEX
) {
542 Index
= &ctx
->Fallback
.Index
;
543 ctx
->Array
.IndexFunc
= gl_trans_1ui_tab
[TYPE_IDX(GL_UNSIGNED_INT
)];
547 for (i
= 0 ; i
< MAX_TEXTURE_UNITS
; i
++)
549 GLuint flag
= VERT_TEX_ANY(i
);
551 if (required
& flag
) {
552 TexCoord
[i
] = &ctx
->Array
.TexCoord
[i
];
556 TexCoord
[i
] = &ctx
->Fallback
.TexCoord
[i
];
557 TexCoord
[i
]->Size
= gl_texcoord_size( ctx
->Current
.Flag
, i
);
559 ctx
->Array
.TexCoordFunc
[i
] =
560 gl_trans_4f_tab
[TexCoord
[i
]->Size
][TYPE_IDX(GL_FLOAT
)];
565 if (ctx
->Array
.Flags
!= ctx
->Array
.Flag
[0])
566 for (i
= 0 ; i
< VB_MAX
; i
++)
567 ctx
->Array
.Flag
[i
] = ctx
->Array
.Flags
;
570 if (required
& VERT_NORM
)
572 Normal
= &ctx
->Array
.Normal
;
573 if (fallback
& VERT_NORM
) {
574 Normal
= &ctx
->Fallback
.Normal
;
575 ctx
->Array
.NormalFunc
= gl_trans_3f_tab
[TYPE_IDX(GL_FLOAT
)];
579 if ( required
& VERT_EDGE
)
581 if (mode
== GL_TRIANGLES
||
585 EdgeFlag
= &ctx
->Array
.EdgeFlag
;
586 if (fallback
& VERT_EDGE
) {
587 EdgeFlag
= &ctx
->Fallback
.EdgeFlag
;
588 ctx
->Array
.EdgeFlagFunc
=
589 gl_trans_1ub_tab
[TYPE_IDX(GL_UNSIGNED_BYTE
)];
593 required
&= ~VERT_EDGE
;
596 VB
->Primitive
= IM
->Primitive
;
597 VB
->NextPrimitive
= IM
->NextPrimitive
;
598 VB
->MaterialMask
= IM
->MaterialMask
;
599 VB
->Material
= IM
->Material
;
602 while (remaining
> 0) {
603 GLint vbspace
= VB_MAX
- VB_START
;
606 if (vbspace
>= remaining
) {
608 VB
->LastPrimitive
= VB_START
+ n
;
611 VB
->LastPrimitive
= VB_START
;
616 ctx
->Array
.VertexFunc( IM
->Obj
+ VB_START
,
617 &ctx
->Array
.Vertex
, start
, n
);
619 if (required
& VERT_NORM
) {
620 ctx
->Array
.NormalFunc( IM
->Normal
+ VB_START
,
624 if (required
& VERT_EDGE
) {
625 ctx
->Array
.EdgeFlagFunc( IM
->EdgeFlag
+ VB_START
,
626 EdgeFlag
, start
, n
);
629 if (required
& VERT_RGBA
) {
630 ctx
->Array
.ColorFunc( IM
->Color
+ VB_START
,
634 if (required
& VERT_INDEX
) {
635 ctx
->Array
.IndexFunc( IM
->Index
+ VB_START
,
639 if (required
& VERT_TEX0_ANY
) {
640 IM
->v
.TexCoord
[0].size
= TexCoord
[0]->Size
;
641 ctx
->Array
.TexCoordFunc
[0]( IM
->TexCoord
[0] + VB_START
,
642 TexCoord
[0], start
, n
);
645 if (required
& VERT_TEX1_ANY
) {
646 IM
->v
.TexCoord
[1].size
= TexCoord
[1]->Size
;
647 ctx
->Array
.TexCoordFunc
[1]( IM
->TexCoord
[1] + VB_START
,
648 TexCoord
[1], start
, n
);
651 VB
->ObjPtr
= &IM
->v
.Obj
;
652 VB
->NormalPtr
= &IM
->v
.Normal
;
653 VB
->ColorPtr
= &IM
->v
.Color
;
654 VB
->Color
[0] = VB
->Color
[1] = VB
->ColorPtr
;
655 VB
->IndexPtr
= &IM
->v
.Index
;
656 VB
->EdgeFlagPtr
= &IM
->v
.EdgeFlag
;
657 VB
->TexCoordPtr
[0] = &IM
->v
.TexCoord
[0];
658 VB
->TexCoordPtr
[1] = &IM
->v
.TexCoord
[1];
660 VB
->Flag
= ctx
->Array
.Flag
;
661 VB
->OrFlag
= ctx
->Array
.Flags
;
663 VB
->Start
= IM
->Start
= VB_START
;
664 count
= VB
->Count
= IM
->Count
= VB_START
+ n
;
666 #define RESET_VEC(v, t, s, c) (v.start = t v.data[s], v.count = c)
668 RESET_VEC(IM
->v
.Obj
, (GLfloat
*), VB_START
, count
);
669 RESET_VEC(IM
->v
.Normal
, (GLfloat
*), VB_START
, count
);
670 RESET_VEC(IM
->v
.TexCoord
[0], (GLfloat
*), VB_START
, count
);
671 RESET_VEC(IM
->v
.TexCoord
[1], (GLfloat
*), VB_START
, count
);
672 RESET_VEC(IM
->v
.Index
, &, VB_START
, count
);
673 RESET_VEC(IM
->v
.Elt
, &, VB_START
, count
);
674 RESET_VEC(IM
->v
.EdgeFlag
, &, VB_START
, count
);
675 RESET_VEC(IM
->v
.Color
, (GLubyte
*), VB_START
, count
);
676 RESET_VEC(VB
->Clip
, (GLfloat
*), VB_START
, count
);
677 RESET_VEC(VB
->Eye
, (GLfloat
*), VB_START
, count
);
678 RESET_VEC(VB
->Win
, (GLfloat
*), VB_START
, count
);
679 RESET_VEC(VB
->BColor
, (GLubyte
*), VB_START
, count
);
680 RESET_VEC(VB
->BIndex
, &, VB_START
, count
);
682 VB
->NextPrimitive
[VB
->CopyStart
] = VB
->Count
;
683 VB
->Primitive
[VB
->CopyStart
] = mode
;
684 ctx
->Array
.Flag
[count
] |= VERT_END_VB
;
686 /* Transform and render.
688 gl_run_pipeline( VB
);
691 ctx
->Array
.Flag
[count
] = ctx
->Array
.Flags
;
692 ctx
->Array
.Flag
[VB_START
] = ctx
->Array
.Flags
;
698 gl_reset_input( ctx
);
701 ctx
->CompileCVAFlag
= relock
;
702 elt
->pipeline_valid
= 0;
705 else if (ctx
->Array
.Vertex
.Enabled
)
707 /* The GL_COMPILE and GL_COMPILE_AND_EXECUTE cases. These
708 * could be handled by the above code, but it gets a little
709 * complex. The generated list is still of good quality
712 gl_Begin( ctx
, mode
);
713 for (i
=0;i
<count
;i
++) {
714 gl_ArrayElement( ctx
, start
+i
);
720 /* The degenerate case where vertices are not enabled - only
721 * need to process the very final array element, as all of the
722 * preceding ones would be overwritten anyway.
724 gl_Begin( ctx
, mode
);
725 gl_ArrayElement( ctx
, start
+count
);
732 /* KW: Exactly fakes the effects of calling glArrayElement multiple times.
733 * Compilation is handled via. the IM->maybe_transform_vb() callback.
736 #define DRAW_ELT(FUNC, TYPE) \
737 static void FUNC( GLcontext *ctx, GLenum mode, \
738 TYPE *indices, GLuint count ) \
742 gl_Begin( ctx, mode ); \
744 for (j = 0 ; j < count ; ) { \
745 struct immediate *IM = ctx->input; \
746 GLuint start = IM->Start; \
747 GLuint nr = MIN2( VB_MAX, count - j + start ); \
748 GLuint sf = IM->Flag[start]; \
749 IM->FlushElt |= IM->ArrayEltFlush; \
751 for (i = start ; i < nr ; i++) { \
752 IM->Elt[i] = (GLuint) *indices++; \
753 IM->Flag[i] = VERT_ELT; \
756 if (j == 0) IM->Flag[start] |= sf; \
761 if (j == count) gl_End( ctx ); \
762 IM->maybe_transform_vb( IM ); \
766 #define DRAW_ELT(FUNC, TYPE) \
767 static void FUNC( GLcontext *ctx, GLenum mode, \
768 TYPE *indices, GLuint count ) \
772 for (i = 0 ; i < count ; i++) \
773 glArrayElement( indices[i] ); \
779 DRAW_ELT( draw_elt_ubyte
, GLubyte
)
780 DRAW_ELT( draw_elt_ushort
, GLushort
)
781 DRAW_ELT( draw_elt_uint
, GLuint
)
784 static GLuint natural_stride
[0x10] =
786 sizeof(GLbyte
), /* 0 */
787 sizeof(GLubyte
), /* 1 */
788 sizeof(GLshort
), /* 2 */
789 sizeof(GLushort
), /* 3 */
790 sizeof(GLint
), /* 4 */
791 sizeof(GLuint
), /* 5 */
792 sizeof(GLfloat
), /* 6 */
793 2 * sizeof(GLbyte
), /* 7 */
794 3 * sizeof(GLbyte
), /* 8 */
795 4 * sizeof(GLbyte
), /* 9 */
796 sizeof(GLdouble
), /* a */
806 _mesa_DrawElements(GLenum mode
, GLsizei count
, GLenum type
, const GLvoid
*indices
)
808 GET_CURRENT_CONTEXT(ctx
);
812 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
, "glDrawElements");
816 gl_error( ctx
, GL_INVALID_VALUE
, "glDrawElements(count)" );
820 if (mode
< 0 || mode
> GL_POLYGON
) {
821 gl_error( ctx
, GL_INVALID_ENUM
, "glDrawArrays(mode)" );
825 if (type
!= GL_UNSIGNED_INT
&& type
!= GL_UNSIGNED_BYTE
&& type
!= GL_UNSIGNED_SHORT
)
827 gl_error( ctx
, GL_INVALID_ENUM
, "glDrawElements(type)" );
832 gl_update_state(ctx
);
834 if (ctx
->CompileCVAFlag
)
836 #if defined(MESA_CVA_PROF)
840 /* Treat VERT_ELT like a special client array.
842 ctx
->Array
.NewArrayState
|= VERT_ELT
;
843 ctx
->Array
.Summary
|= VERT_ELT
;
844 ctx
->Array
.Flags
|= VERT_ELT
;
846 cva
->elt_mode
= mode
;
847 cva
->elt_count
= count
;
848 cva
->Elt
.Type
= type
;
849 cva
->Elt
.Ptr
= (void *) indices
;
850 cva
->Elt
.StrideB
= natural_stride
[TYPE_IDX(type
)];
851 cva
->EltFunc
= gl_trans_1ui_tab
[TYPE_IDX(type
)];
853 if (!cva
->pre
.pipeline_valid
)
854 gl_build_precalc_pipeline( ctx
);
855 else if (MESA_VERBOSE
& VERBOSE_PIPELINE
)
856 fprintf(stderr
, ": dont rebuild\n");
858 gl_cva_force_precalc( ctx
);
860 /* Did we 'precalculate' the render op?
862 if (ctx
->CVA
.pre
.ops
& PIPE_OP_RENDER
) {
863 ctx
->Array
.NewArrayState
|= VERT_ELT
;
864 ctx
->Array
.Summary
&= ~VERT_ELT
;
865 ctx
->Array
.Flags
&= ~VERT_ELT
;
869 if ( (MESA_VERBOSE
&VERBOSE_VARRAY
) )
870 printf("using immediate\n");
874 /* Otherwise, have to use the immediate path to render.
877 case GL_UNSIGNED_BYTE
:
879 GLubyte
*ub_indices
= (GLubyte
*) indices
;
880 if (ctx
->Array
.Summary
& VERT_OBJ_ANY
) {
881 draw_elt_ubyte( ctx
, mode
, ub_indices
, count
);
883 gl_ArrayElement( ctx
, (GLuint
) ub_indices
[count
-1] );
887 case GL_UNSIGNED_SHORT
:
889 GLushort
*us_indices
= (GLushort
*) indices
;
890 if (ctx
->Array
.Summary
& VERT_OBJ_ANY
) {
891 draw_elt_ushort( ctx
, mode
, us_indices
, count
);
893 gl_ArrayElement( ctx
, (GLuint
) us_indices
[count
-1] );
897 case GL_UNSIGNED_INT
:
899 GLuint
*ui_indices
= (GLuint
*) indices
;
900 if (ctx
->Array
.Summary
& VERT_OBJ_ANY
) {
901 draw_elt_uint( ctx
, mode
, ui_indices
, count
);
903 gl_ArrayElement( ctx
, ui_indices
[count
-1] );
908 gl_error( ctx
, GL_INVALID_ENUM
, "glDrawElements(type)" );
912 if (ctx
->CompileCVAFlag
) {
913 ctx
->Array
.NewArrayState
|= VERT_ELT
;
914 ctx
->Array
.Summary
&= ~VERT_ELT
;
921 _mesa_InterleavedArrays(GLenum format
, GLsizei stride
, const GLvoid
*pointer
)
923 GET_CURRENT_CONTEXT(ctx
);
924 GLboolean tflag
, cflag
, nflag
; /* enable/disable flags */
925 GLint tcomps
, ccomps
, vcomps
; /* components per texcoord, color, vertex */
927 GLenum ctype
; /* color type */
928 GLint coffset
, noffset
, voffset
;/* color, normal, vertex offsets */
929 GLint defstride
; /* default stride */
934 c
= f
* ((4*sizeof(GLubyte
) + (f
-1)) / f
);
937 gl_error( ctx
, GL_INVALID_VALUE
, "glInterleavedArrays(stride)" );
943 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
944 tcomps
= 0; ccomps
= 0; vcomps
= 2;
949 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
950 tcomps
= 0; ccomps
= 0; vcomps
= 3;
955 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
956 tcomps
= 0; ccomps
= 4; vcomps
= 2;
957 ctype
= GL_UNSIGNED_BYTE
;
963 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
964 tcomps
= 0; ccomps
= 4; vcomps
= 3;
965 ctype
= GL_UNSIGNED_BYTE
;
971 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
972 tcomps
= 0; ccomps
= 3; vcomps
= 3;
979 tflag
= GL_FALSE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
980 tcomps
= 0; ccomps
= 0; vcomps
= 3;
986 tflag
= GL_FALSE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
987 tcomps
= 0; ccomps
= 4; vcomps
= 3;
995 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
996 tcomps
= 2; ccomps
= 0; vcomps
= 3;
1001 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_FALSE
;
1002 tcomps
= 4; ccomps
= 0; vcomps
= 4;
1006 case GL_T2F_C4UB_V3F
:
1007 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
1008 tcomps
= 2; ccomps
= 4; vcomps
= 3;
1009 ctype
= GL_UNSIGNED_BYTE
;
1014 case GL_T2F_C3F_V3F
:
1015 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_FALSE
;
1016 tcomps
= 2; ccomps
= 3; vcomps
= 3;
1022 case GL_T2F_N3F_V3F
:
1023 tflag
= GL_TRUE
; cflag
= GL_FALSE
; nflag
= GL_TRUE
;
1024 tcomps
= 2; ccomps
= 0; vcomps
= 3;
1029 case GL_T2F_C4F_N3F_V3F
:
1030 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
1031 tcomps
= 2; ccomps
= 4; vcomps
= 3;
1038 case GL_T4F_C4F_N3F_V4F
:
1039 tflag
= GL_TRUE
; cflag
= GL_TRUE
; nflag
= GL_TRUE
;
1040 tcomps
= 4; ccomps
= 4; vcomps
= 4;
1048 gl_error( ctx
, GL_INVALID_ENUM
, "glInterleavedArrays(format)" );
1056 _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY
);
1057 _mesa_DisableClientState( GL_INDEX_ARRAY
);
1060 coordUnitSave
= ctx
->Array
.ActiveTexture
;
1063 GLint factor
= ctx
->Array
.TexCoordInterleaveFactor
;
1064 for (i
= 0; i
< factor
; i
++) {
1065 _mesa_ClientActiveTextureARB( (GLenum
) (GL_TEXTURE0_ARB
+ i
) );
1066 _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY
);
1067 glTexCoordPointer( tcomps
, GL_FLOAT
, stride
,
1068 (GLubyte
*) pointer
+ i
* coffset
);
1070 for (i
= factor
; i
< ctx
->Const
.MaxTextureUnits
; i
++) {
1071 _mesa_ClientActiveTextureARB( (GLenum
) (GL_TEXTURE0_ARB
+ i
) );
1072 _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY
);
1077 for (i
= 0; i
< ctx
->Const
.MaxTextureUnits
; i
++) {
1078 _mesa_ClientActiveTextureARB( (GLenum
) (GL_TEXTURE0_ARB
+ i
) );
1079 _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY
);
1082 /* Restore texture coordinate unit index */
1083 _mesa_ClientActiveTextureARB( (GLenum
) (GL_TEXTURE0_ARB
+ coordUnitSave
) );
1088 _mesa_EnableClientState( GL_COLOR_ARRAY
);
1089 glColorPointer( ccomps
, ctype
, stride
,
1090 (GLubyte
*) pointer
+ coffset
);
1093 _mesa_DisableClientState( GL_COLOR_ARRAY
);
1099 _mesa_EnableClientState( GL_NORMAL_ARRAY
);
1100 glNormalPointer( GL_FLOAT
, stride
,
1101 (GLubyte
*) pointer
+ noffset
);
1104 _mesa_DisableClientState( GL_NORMAL_ARRAY
);
1107 _mesa_EnableClientState( GL_VERTEX_ARRAY
);
1108 glVertexPointer( vcomps
, GL_FLOAT
, stride
,
1109 (GLubyte
*) pointer
+ voffset
);
1115 _mesa_DrawRangeElements(GLenum mode
, GLuint start
,
1116 GLuint end
, GLsizei count
,
1117 GLenum type
, const GLvoid
*indices
)
1119 GET_CURRENT_CONTEXT(ctx
);
1122 gl_error(ctx
, GL_INVALID_VALUE
, "glDrawRangeElements( end < start )");
1128 * XXX something in locked arrays is broken! If start = 0,
1129 * end = 1 and count = 2 we'll take the LockArrays path and
1130 * get incorrect results. See Scott McMillan's bug of 3 Jan 2000.
1131 * For now, don't use locked arrays.
1133 if (!ctx
->Array
.LockCount
&& 2*count
> (GLint
) 3*(end
-start
)) {
1134 glLockArraysEXT( start
, end
);
1135 glDrawElements( mode
, count
, type
, indices
);
1136 glUnlockArraysEXT();
1138 glDrawElements( mode
, count
, type
, indices
);
1141 glDrawElements( mode
, count
, type
, indices
);
1147 void gl_update_client_state( GLcontext
*ctx
)
1149 static GLuint sz_flags
[5] = { 0,
1155 static GLuint tc_flags
[5] = { 0,
1161 ctx
->Array
.Flags
= 0;
1162 ctx
->Array
.Summary
= 0;
1163 ctx
->input
->ArrayIncr
= 0;
1165 if (ctx
->Array
.Normal
.Enabled
) ctx
->Array
.Flags
|= VERT_NORM
;
1166 if (ctx
->Array
.Color
.Enabled
) ctx
->Array
.Flags
|= VERT_RGBA
;
1167 if (ctx
->Array
.Index
.Enabled
) ctx
->Array
.Flags
|= VERT_INDEX
;
1168 if (ctx
->Array
.EdgeFlag
.Enabled
) ctx
->Array
.Flags
|= VERT_EDGE
;
1169 if (ctx
->Array
.Vertex
.Enabled
) {
1170 ctx
->Array
.Flags
|= sz_flags
[ctx
->Array
.Vertex
.Size
];
1171 ctx
->input
->ArrayIncr
= 1;
1173 if (ctx
->Array
.TexCoord
[0].Enabled
) {
1174 ctx
->Array
.Flags
|= tc_flags
[ctx
->Array
.TexCoord
[0].Size
];
1176 if (ctx
->Array
.TexCoord
[1].Enabled
) {
1177 ctx
->Array
.Flags
|= (tc_flags
[ctx
->Array
.TexCoord
[1].Size
] << NR_TEXSIZE_BITS
);
1180 /* Not really important any more:
1182 ctx
->Array
.Summary
= ctx
->Array
.Flags
& VERT_DATA
;
1183 ctx
->input
->ArrayAndFlags
= ~ctx
->Array
.Flags
;
1184 ctx
->input
->ArrayEltFlush
= !(ctx
->CompileCVAFlag
);