2 * Copyright 2010 Christoph Bumiller
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #include "pipe/p_context.h"
24 #include "pipe/p_state.h"
25 #include "util/u_inlines.h"
26 #include "util/u_format.h"
27 #include "translate/translate.h"
29 #include "nv50_context.h"
30 #include "nv50_resource.h"
32 #include "nv50_3d.xml.h"
35 nv50_vertex_state_delete(struct pipe_context
*pipe
,
38 struct nv50_vertex_stateobj
*so
= hwcso
;
41 so
->translate
->release(so
->translate
);
46 nv50_vertex_state_create(struct pipe_context
*pipe
,
47 unsigned num_elements
,
48 const struct pipe_vertex_element
*elements
)
50 struct nv50_vertex_stateobj
*so
;
51 struct translate_key transkey
;
54 so
= MALLOC(sizeof(*so
) +
55 num_elements
* sizeof(struct nv50_vertex_element
));
58 so
->num_elements
= num_elements
;
59 so
->instance_elts
= 0;
60 so
->instance_bufs
= 0;
61 so
->need_conversion
= FALSE
;
63 memset(so
->vb_access_size
, 0, sizeof(so
->vb_access_size
));
65 transkey
.nr_elements
= 0;
66 transkey
.output_stride
= 0;
68 for (i
= 0; i
< num_elements
; ++i
) {
69 const struct pipe_vertex_element
*ve
= &elements
[i
];
70 const unsigned vbi
= ve
->vertex_buffer_index
;
72 enum pipe_format fmt
= ve
->src_format
;
74 so
->element
[i
].pipe
= elements
[i
];
75 so
->element
[i
].state
= nv50_format_table
[fmt
].vtx
;
77 if (!so
->element
[i
].state
) {
78 switch (util_format_get_nr_components(fmt
)) {
79 case 1: fmt
= PIPE_FORMAT_R32_FLOAT
; break;
80 case 2: fmt
= PIPE_FORMAT_R32G32_FLOAT
; break;
81 case 3: fmt
= PIPE_FORMAT_R32G32B32_FLOAT
; break;
82 case 4: fmt
= PIPE_FORMAT_R32G32B32A32_FLOAT
; break;
87 so
->element
[i
].state
= nv50_format_table
[fmt
].vtx
;
88 so
->need_conversion
= TRUE
;
90 so
->element
[i
].state
|= i
;
92 size
= util_format_get_blocksize(fmt
);
93 if (so
->vb_access_size
[vbi
] < (ve
->src_offset
+ size
))
94 so
->vb_access_size
[vbi
] = ve
->src_offset
+ size
;
97 unsigned j
= transkey
.nr_elements
++;
99 transkey
.element
[j
].type
= TRANSLATE_ELEMENT_NORMAL
;
100 transkey
.element
[j
].input_format
= ve
->src_format
;
101 transkey
.element
[j
].input_buffer
= vbi
;
102 transkey
.element
[j
].input_offset
= ve
->src_offset
;
103 transkey
.element
[j
].instance_divisor
= ve
->instance_divisor
;
105 transkey
.element
[j
].output_format
= fmt
;
106 transkey
.element
[j
].output_offset
= transkey
.output_stride
;
107 transkey
.output_stride
+= (util_format_get_stride(fmt
, 1) + 3) & ~3;
109 if (unlikely(ve
->instance_divisor
)) {
110 so
->instance_elts
|= 1 << i
;
111 so
->instance_bufs
|= 1 << vbi
;
116 so
->translate
= translate_create(&transkey
);
117 so
->vertex_size
= transkey
.output_stride
/ 4;
118 so
->packet_vertex_limit
= NV04_PFIFO_MAX_PACKET_LEN
/
119 MAX2(so
->vertex_size
, 1);
124 #define NV50_3D_VERTEX_ATTRIB_INACTIVE \
125 NV50_3D_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT | \
126 NV50_3D_VERTEX_ARRAY_ATTRIB_FORMAT_32_32_32_32 | \
127 NV50_3D_VERTEX_ARRAY_ATTRIB_CONST
130 nv50_emit_vtxattr(struct nv50_context
*nv50
, struct pipe_vertex_buffer
*vb
,
131 struct pipe_vertex_element
*ve
, unsigned attr
)
134 struct nouveau_pushbuf
*push
= nv50
->base
.pushbuf
;
135 struct nv04_resource
*res
= nv04_resource(vb
->buffer
);
137 const unsigned nc
= util_format_get_nr_components(ve
->src_format
);
139 data
= nouveau_resource_map_offset(&nv50
->base
, res
, vb
->buffer_offset
+
140 ve
->src_offset
, NOUVEAU_BO_RD
);
142 util_format_read_4f(ve
->src_format
, v
, 0, data
, 0, 0, 0, 1, 1);
146 BEGIN_NV04(push
, NV50_3D(VTX_ATTR_4F_X(attr
)), 4);
147 PUSH_DATAf(push
, v
[0]);
148 PUSH_DATAf(push
, v
[1]);
149 PUSH_DATAf(push
, v
[2]);
150 PUSH_DATAf(push
, v
[3]);
153 BEGIN_NV04(push
, NV50_3D(VTX_ATTR_3F_X(attr
)), 3);
154 PUSH_DATAf(push
, v
[0]);
155 PUSH_DATAf(push
, v
[1]);
156 PUSH_DATAf(push
, v
[2]);
159 BEGIN_NV04(push
, NV50_3D(VTX_ATTR_2F_X(attr
)), 2);
160 PUSH_DATAf(push
, v
[0]);
161 PUSH_DATAf(push
, v
[1]);
164 if (attr
== nv50
->vertprog
->vp
.edgeflag
) {
165 BEGIN_NV04(push
, NV50_3D(EDGEFLAG
), 1);
166 PUSH_DATA (push
, v
[0] ? 1 : 0);
168 BEGIN_NV04(push
, NV50_3D(VTX_ATTR_1F(attr
)), 1);
169 PUSH_DATAf(push
, v
[0]);
178 nv50_vbuf_range(struct nv50_context
*nv50
, int vbi
,
179 uint32_t *base
, uint32_t *size
)
181 if (unlikely(nv50
->vertex
->instance_bufs
& (1 << vbi
))) {
182 /* TODO: use min and max instance divisor to get a proper range */
184 *size
= nv50
->vtxbuf
[vbi
].buffer
->width0
;
186 /* NOTE: if there are user buffers, we *must* have index bounds */
187 assert(nv50
->vb_elt_limit
!= ~0);
188 *base
= nv50
->vb_elt_first
* nv50
->vtxbuf
[vbi
].stride
;
189 *size
= nv50
->vb_elt_limit
* nv50
->vtxbuf
[vbi
].stride
+
190 nv50
->vertex
->vb_access_size
[vbi
];
195 nv50_prevalidate_vbufs(struct nv50_context
*nv50
, unsigned limits
[])
197 const uint32_t bo_flags
= NOUVEAU_BO_RD
| NOUVEAU_BO_GART
;
198 struct nouveau_bo
*bo
;
199 struct pipe_vertex_buffer
*vb
;
200 struct nv04_resource
*buf
;
204 nv50
->vbo_fifo
= nv50
->vbo_user
= 0;
206 nouveau_bufctx_reset(nv50
->bufctx_3d
, NV50_BIND_VERTEX
);
208 for (i
= 0; i
< nv50
->num_vtxbufs
; ++i
) {
209 vb
= &nv50
->vtxbuf
[i
];
213 buf
= nv04_resource(vb
->buffer
);
215 if (nouveau_resource_mapped_by_gpu(vb
->buffer
)) {
216 BCTX_REFN(nv50
->bufctx_3d
, VERTEX
, buf
, RD
);
218 if (nv50
->vbo_push_hint
) {
222 nv50
->base
.vbo_dirty
= TRUE
;
224 if (buf
->status
& NOUVEAU_BUFFER_STATUS_USER_MEMORY
) {
225 assert(vb
->stride
> vb
->buffer_offset
);
226 nv50
->vbo_user
|= 1 << i
;
227 nv50_vbuf_range(nv50
, i
, &base
, &size
);
228 limits
[i
] = base
+ size
- 1;
229 bo
= nouveau_scratch_data(&nv50
->base
, buf
, base
, size
);
231 BCTX_REFN_bo(nv50
->bufctx_3d
, VERTEX_TMP
, bo_flags
, bo
);
233 if (nouveau_buffer_migrate(&nv50
->base
, buf
, NOUVEAU_BO_GART
))
234 BCTX_REFN(nv50
->bufctx_3d
, VERTEX
, buf
, RD
);
241 nv50_update_user_vbufs(struct nv50_context
*nv50
)
243 const uint32_t bo_flags
= NOUVEAU_BO_RD
| NOUVEAU_BO_GART
;
244 struct nouveau_bo
*bo
;
245 struct nouveau_pushbuf
*push
= nv50
->base
.pushbuf
;
246 uint32_t base
, offset
, size
;
248 uint32_t written
= 0;
250 for (i
= 0; i
< nv50
->vertex
->num_elements
; ++i
) {
251 struct pipe_vertex_element
*ve
= &nv50
->vertex
->element
[i
].pipe
;
252 const int b
= ve
->vertex_buffer_index
;
253 struct pipe_vertex_buffer
*vb
= &nv50
->vtxbuf
[b
];
254 struct nv04_resource
*buf
= nv04_resource(vb
->buffer
);
256 if (!(nv50
->vbo_user
& (1 << b
)))
260 nv50_emit_vtxattr(nv50
, vb
, ve
, i
);
263 nv50_vbuf_range(nv50
, b
, &base
, &size
);
265 if (!(written
& (1 << b
))) {
267 bo
= nouveau_scratch_data(&nv50
->base
, buf
, base
, size
);
269 BCTX_REFN_bo(nv50
->bufctx_3d
, VERTEX_TMP
, bo_flags
, bo
);
271 offset
= vb
->buffer_offset
+ ve
->src_offset
;
273 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_LIMIT_HIGH(i
)), 2);
274 PUSH_DATAh(push
, buf
->address
+ base
+ size
- 1);
275 PUSH_DATA (push
, buf
->address
+ base
+ size
- 1);
276 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_START_HIGH(i
)), 2);
277 PUSH_DATAh(push
, buf
->address
+ offset
);
278 PUSH_DATA (push
, buf
->address
+ offset
);
280 nv50
->base
.vbo_dirty
= TRUE
;
284 nv50_release_user_vbufs(struct nv50_context
*nv50
)
286 if (nv50
->vbo_user
) {
287 nouveau_bufctx_reset(nv50
->bufctx_3d
, NV50_BIND_VERTEX_TMP
);
288 nouveau_scratch_done(&nv50
->base
);
293 nv50_vertex_arrays_validate(struct nv50_context
*nv50
)
295 struct nouveau_pushbuf
*push
= nv50
->base
.pushbuf
;
296 struct nv50_vertex_stateobj
*vertex
= nv50
->vertex
;
297 struct pipe_vertex_buffer
*vb
;
298 struct nv50_vertex_element
*ve
;
300 unsigned limits
[PIPE_MAX_ATTRIBS
]; /* user vertex buffer limits */
302 if (unlikely(vertex
->need_conversion
)) {
306 nv50_prevalidate_vbufs(nv50
, limits
);
309 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_ATTRIB(0)), vertex
->num_elements
);
310 for (i
= 0; i
< vertex
->num_elements
; ++i
) {
311 ve
= &vertex
->element
[i
];
312 vb
= &nv50
->vtxbuf
[ve
->pipe
.vertex_buffer_index
];
314 if (likely(vb
->stride
) || nv50
->vbo_fifo
) {
315 PUSH_DATA(push
, ve
->state
);
317 PUSH_DATA(push
, ve
->state
| NV50_3D_VERTEX_ARRAY_ATTRIB_CONST
);
318 nv50
->vbo_fifo
&= ~(1 << i
);
322 for (i
= 0; i
< vertex
->num_elements
; ++i
) {
323 struct nv04_resource
*res
;
324 unsigned limit
, offset
;
326 ve
= &vertex
->element
[i
];
327 vb
= &nv50
->vtxbuf
[ve
->pipe
.vertex_buffer_index
];
329 if (unlikely(ve
->pipe
.instance_divisor
)) {
330 if (!(nv50
->state
.instance_elts
& (1 << i
))) {
331 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_PER_INSTANCE(i
)), 1);
334 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_DIVISOR(i
)), 1);
335 PUSH_DATA (push
, ve
->pipe
.instance_divisor
);
337 if (unlikely(nv50
->state
.instance_elts
& (1 << i
))) {
338 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_PER_INSTANCE(i
)), 1);
342 res
= nv04_resource(vb
->buffer
);
344 if (nv50
->vbo_fifo
|| unlikely(vb
->stride
== 0)) {
346 nv50_emit_vtxattr(nv50
, vb
, &ve
->pipe
, i
);
347 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_FETCH(i
)), 1);
352 offset
= ve
->pipe
.src_offset
+ vb
->buffer_offset
;
353 limit
= limits
[ve
->pipe
.vertex_buffer_index
];
355 limit
= vb
->buffer
->width0
- 1;
357 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_FETCH(i
)), 1);
358 PUSH_DATA (push
, NV50_3D_VERTEX_ARRAY_FETCH_ENABLE
| vb
->stride
);
359 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_LIMIT_HIGH(i
)), 2);
360 PUSH_DATAh(push
, res
->address
+ limit
);
361 PUSH_DATA (push
, res
->address
+ limit
);
362 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_START_HIGH(i
)), 2);
363 PUSH_DATAh(push
, res
->address
+ offset
);
364 PUSH_DATA (push
, res
->address
+ offset
);
366 for (; i
< nv50
->state
.num_vtxelts
; ++i
) {
367 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_ATTRIB(i
)), 1);
368 PUSH_DATA (push
, NV50_3D_VERTEX_ATTRIB_INACTIVE
);
369 if (unlikely(nv50
->state
.instance_elts
& (1 << i
))) {
370 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_PER_INSTANCE(i
)), 1);
373 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_FETCH(i
)), 1);
377 nv50
->state
.num_vtxelts
= vertex
->num_elements
;
378 nv50
->state
.instance_elts
= vertex
->instance_elts
;
381 #define NV50_PRIM_GL_CASE(n) \
382 case PIPE_PRIM_##n: return NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n
384 static INLINE
unsigned
385 nv50_prim_gl(unsigned prim
)
388 NV50_PRIM_GL_CASE(POINTS
);
389 NV50_PRIM_GL_CASE(LINES
);
390 NV50_PRIM_GL_CASE(LINE_LOOP
);
391 NV50_PRIM_GL_CASE(LINE_STRIP
);
392 NV50_PRIM_GL_CASE(TRIANGLES
);
393 NV50_PRIM_GL_CASE(TRIANGLE_STRIP
);
394 NV50_PRIM_GL_CASE(TRIANGLE_FAN
);
395 NV50_PRIM_GL_CASE(QUADS
);
396 NV50_PRIM_GL_CASE(QUAD_STRIP
);
397 NV50_PRIM_GL_CASE(POLYGON
);
398 NV50_PRIM_GL_CASE(LINES_ADJACENCY
);
399 NV50_PRIM_GL_CASE(LINE_STRIP_ADJACENCY
);
400 NV50_PRIM_GL_CASE(TRIANGLES_ADJACENCY
);
401 NV50_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY
);
403 return NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS
;
408 /* For pre-nva0 transform feedback. */
409 static const uint8_t nv50_pipe_prim_to_prim_size
[PIPE_PRIM_MAX
+ 1] =
411 [PIPE_PRIM_POINTS
] = 1,
412 [PIPE_PRIM_LINES
] = 2,
413 [PIPE_PRIM_LINE_LOOP
] = 2,
414 [PIPE_PRIM_LINE_STRIP
] = 2,
415 [PIPE_PRIM_TRIANGLES
] = 3,
416 [PIPE_PRIM_TRIANGLE_STRIP
] = 3,
417 [PIPE_PRIM_TRIANGLE_FAN
] = 3,
418 [PIPE_PRIM_QUADS
] = 3,
419 [PIPE_PRIM_QUAD_STRIP
] = 3,
420 [PIPE_PRIM_POLYGON
] = 3,
421 [PIPE_PRIM_LINES_ADJACENCY
] = 2,
422 [PIPE_PRIM_LINE_STRIP_ADJACENCY
] = 2,
423 [PIPE_PRIM_TRIANGLES_ADJACENCY
] = 3,
424 [PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY
] = 3
428 nv50_draw_arrays(struct nv50_context
*nv50
,
429 unsigned mode
, unsigned start
, unsigned count
,
430 unsigned instance_count
)
432 struct nouveau_pushbuf
*push
= nv50
->base
.pushbuf
;
435 if (nv50
->state
.index_bias
) {
436 BEGIN_NV04(push
, NV50_3D(VB_ELEMENT_BASE
), 1);
438 nv50
->state
.index_bias
= 0;
441 prim
= nv50_prim_gl(mode
);
443 while (instance_count
--) {
444 BEGIN_NV04(push
, NV50_3D(VERTEX_BEGIN_GL
), 1);
445 PUSH_DATA (push
, prim
);
446 BEGIN_NV04(push
, NV50_3D(VERTEX_BUFFER_FIRST
), 2);
447 PUSH_DATA (push
, start
);
448 PUSH_DATA (push
, count
);
449 BEGIN_NV04(push
, NV50_3D(VERTEX_END_GL
), 1);
452 prim
|= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT
;
457 nv50_draw_elements_inline_u08(struct nouveau_pushbuf
*push
, const uint8_t *map
,
458 unsigned start
, unsigned count
)
464 BEGIN_NI04(push
, NV50_3D(VB_ELEMENT_U32
), count
& 3);
465 for (i
= 0; i
< (count
& 3); ++i
)
466 PUSH_DATA(push
, *map
++);
470 unsigned i
, nr
= MIN2(count
, NV04_PFIFO_MAX_PACKET_LEN
* 4) / 4;
472 BEGIN_NI04(push
, NV50_3D(VB_ELEMENT_U8
), nr
);
473 for (i
= 0; i
< nr
; ++i
) {
475 (map
[3] << 24) | (map
[2] << 16) | (map
[1] << 8) | map
[0]);
483 nv50_draw_elements_inline_u16(struct nouveau_pushbuf
*push
, const uint16_t *map
,
484 unsigned start
, unsigned count
)
490 BEGIN_NV04(push
, NV50_3D(VB_ELEMENT_U32
), 1);
491 PUSH_DATA (push
, *map
++);
494 unsigned i
, nr
= MIN2(count
, NV04_PFIFO_MAX_PACKET_LEN
* 2) / 2;
496 BEGIN_NI04(push
, NV50_3D(VB_ELEMENT_U16
), nr
);
497 for (i
= 0; i
< nr
; ++i
) {
498 PUSH_DATA(push
, (map
[1] << 16) | map
[0]);
506 nv50_draw_elements_inline_u32(struct nouveau_pushbuf
*push
, const uint32_t *map
,
507 unsigned start
, unsigned count
)
512 const unsigned nr
= MIN2(count
, NV04_PFIFO_MAX_PACKET_LEN
);
514 BEGIN_NI04(push
, NV50_3D(VB_ELEMENT_U32
), nr
);
515 PUSH_DATAp(push
, map
, nr
);
523 nv50_draw_elements_inline_u32_short(struct nouveau_pushbuf
*push
,
525 unsigned start
, unsigned count
)
531 BEGIN_NV04(push
, NV50_3D(VB_ELEMENT_U32
), 1);
532 PUSH_DATA (push
, *map
++);
535 unsigned i
, nr
= MIN2(count
, NV04_PFIFO_MAX_PACKET_LEN
* 2) / 2;
537 BEGIN_NI04(push
, NV50_3D(VB_ELEMENT_U16
), nr
);
538 for (i
= 0; i
< nr
; ++i
) {
539 PUSH_DATA(push
, (map
[1] << 16) | map
[0]);
547 nv50_draw_elements(struct nv50_context
*nv50
, boolean shorten
,
548 unsigned mode
, unsigned start
, unsigned count
,
549 unsigned instance_count
, int32_t index_bias
)
551 struct nouveau_pushbuf
*push
= nv50
->base
.pushbuf
;
553 const unsigned index_size
= nv50
->idxbuf
.index_size
;
555 prim
= nv50_prim_gl(mode
);
557 if (index_bias
!= nv50
->state
.index_bias
) {
558 BEGIN_NV04(push
, NV50_3D(VB_ELEMENT_BASE
), 1);
559 PUSH_DATA (push
, index_bias
);
560 nv50
->state
.index_bias
= index_bias
;
563 if (nv50
->idxbuf
.buffer
) {
564 struct nv04_resource
*buf
= nv04_resource(nv50
->idxbuf
.buffer
);
567 const unsigned base
= buf
->offset
+ nv50
->idxbuf
.offset
;
569 assert(nouveau_resource_mapped_by_gpu(nv50
->idxbuf
.buffer
));
571 while (instance_count
--) {
572 BEGIN_NV04(push
, NV50_3D(VERTEX_BEGIN_GL
), 1);
573 PUSH_DATA (push
, prim
);
575 nouveau_pushbuf_space(push
, 8, 0, 1);
577 switch (index_size
) {
579 BEGIN_NL50(push
, NV50_3D(VB_ELEMENT_U32
), count
);
580 nouveau_pushbuf_data(push
, buf
->bo
, base
+ start
* 4, count
* 4);
583 pb_start
= (start
& ~1) * 2;
584 pb_bytes
= ((start
+ count
+ 1) & ~1) * 2 - pb_start
;
586 BEGIN_NV04(push
, NV50_3D(VB_ELEMENT_U16_SETUP
), 1);
587 PUSH_DATA (push
, (start
<< 31) | count
);
588 BEGIN_NL50(push
, NV50_3D(VB_ELEMENT_U16
), pb_bytes
/ 4);
589 nouveau_pushbuf_data(push
, buf
->bo
, base
+ pb_start
, pb_bytes
);
590 BEGIN_NV04(push
, NV50_3D(VB_ELEMENT_U16_SETUP
), 1);
594 assert(index_size
== 1);
595 pb_start
= start
& ~3;
596 pb_bytes
= ((start
+ count
+ 3) & ~3) - pb_start
;
598 BEGIN_NV04(push
, NV50_3D(VB_ELEMENT_U8_SETUP
), 1);
599 PUSH_DATA (push
, (start
<< 30) | count
);
600 BEGIN_NL50(push
, NV50_3D(VB_ELEMENT_U8
), pb_bytes
/ 4);
601 nouveau_pushbuf_data(push
, buf
->bo
, base
+ pb_start
, pb_bytes
);
602 BEGIN_NV04(push
, NV50_3D(VB_ELEMENT_U8_SETUP
), 1);
606 BEGIN_NV04(push
, NV50_3D(VERTEX_END_GL
), 1);
609 prim
|= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT
;
612 const void *data
= nv50
->idxbuf
.user_buffer
;
614 while (instance_count
--) {
615 BEGIN_NV04(push
, NV50_3D(VERTEX_BEGIN_GL
), 1);
616 PUSH_DATA (push
, prim
);
617 switch (index_size
) {
619 nv50_draw_elements_inline_u08(push
, data
, start
, count
);
622 nv50_draw_elements_inline_u16(push
, data
, start
, count
);
626 nv50_draw_elements_inline_u32_short(push
, data
, start
, count
);
628 nv50_draw_elements_inline_u32(push
, data
, start
, count
);
634 BEGIN_NV04(push
, NV50_3D(VERTEX_END_GL
), 1);
637 prim
|= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT
;
643 nva0_draw_stream_output(struct nv50_context
*nv50
,
644 const struct pipe_draw_info
*info
)
646 struct nouveau_pushbuf
*push
= nv50
->base
.pushbuf
;
647 struct nv50_so_target
*so
= nv50_so_target(info
->count_from_stream_output
);
648 struct nv04_resource
*res
= nv04_resource(so
->pipe
.buffer
);
649 unsigned num_instances
= info
->instance_count
;
650 unsigned mode
= nv50_prim_gl(info
->mode
);
652 if (unlikely(nv50
->screen
->base
.class_3d
< NVA0_3D_CLASS
)) {
653 /* A proper implementation without waiting doesn't seem possible,
656 NOUVEAU_ERR("draw_stream_output not supported on pre-NVA0 cards\n");
660 if (res
->status
& NOUVEAU_BUFFER_STATUS_GPU_WRITING
) {
661 res
->status
&= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING
;
663 BEGIN_NV04(push
, SUBC_3D(NV50_GRAPH_SERIALIZE
), 1);
665 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_FLUSH
), 1);
669 assert(num_instances
);
672 BEGIN_NV04(push
, NV50_3D(VERTEX_BEGIN_GL
), 1);
673 PUSH_DATA (push
, mode
);
674 BEGIN_NV04(push
, NVA0_3D(DRAW_TFB_BASE
), 1);
676 BEGIN_NV04(push
, NVA0_3D(DRAW_TFB_STRIDE
), 1);
678 BEGIN_NV04(push
, NVA0_3D(DRAW_TFB_BYTES
), 1);
679 nv50_query_pushbuf_submit(push
, so
->pq
, 0x4);
680 BEGIN_NV04(push
, NV50_3D(VERTEX_END_GL
), 1);
683 mode
|= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT
;
684 } while (--num_instances
);
688 nv50_draw_vbo_kick_notify(struct nouveau_pushbuf
*chan
)
690 struct nv50_screen
*screen
= chan
->user_priv
;
692 nouveau_fence_update(&screen
->base
, TRUE
);
694 nv50_bufctx_fence(screen
->cur_ctx
->bufctx_3d
, TRUE
);
698 nv50_draw_vbo(struct pipe_context
*pipe
, const struct pipe_draw_info
*info
)
700 struct nv50_context
*nv50
= nv50_context(pipe
);
701 struct nouveau_pushbuf
*push
= nv50
->base
.pushbuf
;
703 /* NOTE: caller must ensure that (min_index + index_bias) is >= 0 */
704 nv50
->vb_elt_first
= info
->min_index
+ info
->index_bias
;
705 nv50
->vb_elt_limit
= info
->max_index
- info
->min_index
;
707 /* For picking only a few vertices from a large user buffer, push is better,
708 * if index count is larger and we expect repeated vertices, suggest upload.
710 nv50
->vbo_push_hint
= /* the 64 is heuristic */
711 !(info
->indexed
&& ((nv50
->vb_elt_limit
+ 64) < info
->count
));
713 if (nv50
->vbo_push_hint
!= !!nv50
->vbo_fifo
)
714 nv50
->dirty
|= NV50_NEW_ARRAYS
;
716 if (nv50
->vbo_user
&& !(nv50
->dirty
& (NV50_NEW_VERTEX
| NV50_NEW_ARRAYS
)))
717 nv50_update_user_vbufs(nv50
);
719 if (unlikely(nv50
->num_so_targets
&& !nv50
->gmtyprog
))
720 nv50
->state
.prim_size
= nv50_pipe_prim_to_prim_size
[info
->mode
];
722 nv50_state_validate(nv50
, ~0, 8); /* 8 as minimum, we use flush_notify */
724 push
->kick_notify
= nv50_draw_vbo_kick_notify
;
726 if (nv50
->vbo_fifo
) {
727 nv50_push_vbo(nv50
, info
);
728 push
->kick_notify
= nv50_default_kick_notify
;
729 nouveau_pushbuf_bufctx(push
, NULL
);
733 if (nv50
->state
.instance_base
!= info
->start_instance
) {
734 nv50
->state
.instance_base
= info
->start_instance
;
735 /* NOTE: this does not affect the shader input, should it ? */
736 BEGIN_NV04(push
, NV50_3D(VB_INSTANCE_BASE
), 1);
737 PUSH_DATA (push
, info
->start_instance
);
740 if (nv50
->base
.vbo_dirty
) {
741 BEGIN_NV04(push
, NV50_3D(VERTEX_ARRAY_FLUSH
), 1);
743 nv50
->base
.vbo_dirty
= FALSE
;
747 boolean shorten
= info
->max_index
<= 65535;
749 if (info
->primitive_restart
!= nv50
->state
.prim_restart
) {
750 if (info
->primitive_restart
) {
751 BEGIN_NV04(push
, NV50_3D(PRIM_RESTART_ENABLE
), 2);
753 PUSH_DATA (push
, info
->restart_index
);
755 if (info
->restart_index
> 65535)
758 BEGIN_NV04(push
, NV50_3D(PRIM_RESTART_ENABLE
), 1);
761 nv50
->state
.prim_restart
= info
->primitive_restart
;
763 if (info
->primitive_restart
) {
764 BEGIN_NV04(push
, NV50_3D(PRIM_RESTART_INDEX
), 1);
765 PUSH_DATA (push
, info
->restart_index
);
767 if (info
->restart_index
> 65535)
771 nv50_draw_elements(nv50
, shorten
,
772 info
->mode
, info
->start
, info
->count
,
773 info
->instance_count
, info
->index_bias
);
775 if (unlikely(info
->count_from_stream_output
)) {
776 nva0_draw_stream_output(nv50
, info
);
778 nv50_draw_arrays(nv50
,
779 info
->mode
, info
->start
, info
->count
,
780 info
->instance_count
);
782 push
->kick_notify
= nv50_default_kick_notify
;
784 nv50_release_user_vbufs(nv50
);
786 nouveau_pushbuf_bufctx(push
, NULL
);