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 "nvc0_context.h"
30 #include "nvc0_resource.h"
32 #include "nvc0_3d.xml.h"
35 nvc0_vertex_state_delete(struct pipe_context
*pipe
,
38 struct nvc0_vertex_stateobj
*so
= hwcso
;
41 so
->translate
->release(so
->translate
);
46 nvc0_vertex_state_create(struct pipe_context
*pipe
,
47 unsigned num_elements
,
48 const struct pipe_vertex_element
*elements
)
50 struct nvc0_vertex_stateobj
*so
;
51 struct translate_key transkey
;
54 so
= MALLOC(sizeof(*so
) +
55 num_elements
* sizeof(struct nvc0_vertex_element
));
58 so
->num_elements
= num_elements
;
59 so
->instance_elts
= 0;
60 so
->instance_bufs
= 0;
61 so
->need_conversion
= FALSE
;
63 transkey
.nr_elements
= 0;
64 transkey
.output_stride
= 0;
66 for (i
= 0; i
< num_elements
; ++i
) {
67 const struct pipe_vertex_element
*ve
= &elements
[i
];
68 const unsigned vbi
= ve
->vertex_buffer_index
;
69 enum pipe_format fmt
= ve
->src_format
;
71 so
->element
[i
].pipe
= elements
[i
];
72 so
->element
[i
].state
= nvc0_format_table
[fmt
].vtx
;
74 if (!so
->element
[i
].state
) {
75 switch (util_format_get_nr_components(fmt
)) {
76 case 1: fmt
= PIPE_FORMAT_R32_FLOAT
; break;
77 case 2: fmt
= PIPE_FORMAT_R32G32_FLOAT
; break;
78 case 3: fmt
= PIPE_FORMAT_R32G32B32_FLOAT
; break;
79 case 4: fmt
= PIPE_FORMAT_R32G32B32A32_FLOAT
; break;
84 so
->element
[i
].state
= nvc0_format_table
[fmt
].vtx
;
85 so
->need_conversion
= TRUE
;
87 so
->element
[i
].state
|= i
;
90 unsigned j
= transkey
.nr_elements
++;
92 transkey
.element
[j
].type
= TRANSLATE_ELEMENT_NORMAL
;
93 transkey
.element
[j
].input_format
= ve
->src_format
;
94 transkey
.element
[j
].input_buffer
= vbi
;
95 transkey
.element
[j
].input_offset
= ve
->src_offset
;
96 transkey
.element
[j
].instance_divisor
= ve
->instance_divisor
;
98 transkey
.element
[j
].output_format
= fmt
;
99 transkey
.element
[j
].output_offset
= transkey
.output_stride
;
100 transkey
.output_stride
+= (util_format_get_stride(fmt
, 1) + 3) & ~3;
102 if (unlikely(ve
->instance_divisor
)) {
103 so
->instance_elts
|= 1 << i
;
104 so
->instance_bufs
|= 1 << vbi
;
109 so
->translate
= translate_create(&transkey
);
110 so
->vtx_size
= transkey
.output_stride
/ 4;
111 so
->vtx_per_packet_max
= NV04_PFIFO_MAX_PACKET_LEN
/ MAX2(so
->vtx_size
, 1);
116 #define NVC0_3D_VERTEX_ATTRIB_INACTIVE \
117 NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT | \
118 NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32 | NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST
120 #define VTX_ATTR(a, c, t, s) \
121 ((NVC0_3D_VTX_ATTR_DEFINE_TYPE_##t) | \
122 (NVC0_3D_VTX_ATTR_DEFINE_SIZE_##s) | \
123 ((a) << NVC0_3D_VTX_ATTR_DEFINE_ATTR__SHIFT) | \
124 ((c) << NVC0_3D_VTX_ATTR_DEFINE_COMP__SHIFT))
127 nvc0_emit_vtxattr(struct nvc0_context
*nvc0
, struct pipe_vertex_buffer
*vb
,
128 struct pipe_vertex_element
*ve
, unsigned attr
)
131 struct nouveau_channel
*chan
= nvc0
->screen
->base
.channel
;
132 struct nv04_resource
*res
= nv04_resource(vb
->buffer
);
135 const unsigned nc
= util_format_get_nr_components(ve
->src_format
);
137 data
= nouveau_resource_map_offset(&nvc0
->base
, res
, vb
->buffer_offset
+
138 ve
->src_offset
, NOUVEAU_BO_RD
);
140 util_format_read_4f(ve
->src_format
, v
, 0, data
, 0, 0, 0, 1, 1);
142 BEGIN_RING(chan
, RING_3D(VTX_ATTR_DEFINE
), nc
+ 1);
143 OUT_RING (chan
, VTX_ATTR(attr
, nc
, FLOAT
, 32));
144 for (i
= 0; i
< nc
; ++i
)
145 OUT_RINGf(chan
, v
[i
]);
149 nvc0_vbuf_range(struct nvc0_context
*nvc0
, int vbi
,
150 uint32_t *base
, uint32_t *size
)
152 if (unlikely(nvc0
->vertex
->instance_bufs
& (1 << vbi
))) {
153 /* TODO: use min and max instance divisor to get a proper range */
155 *size
= nvc0
->vtxbuf
[vbi
].buffer
->width0
;
157 assert(nvc0
->vbo_max_index
!= ~0);
158 *base
= nvc0
->vbo_min_index
* nvc0
->vtxbuf
[vbi
].stride
;
159 *size
= (nvc0
->vbo_max_index
-
160 nvc0
->vbo_min_index
+ 1) * nvc0
->vtxbuf
[vbi
].stride
;
165 nvc0_prevalidate_vbufs(struct nvc0_context
*nvc0
)
167 struct pipe_vertex_buffer
*vb
;
168 struct nv04_resource
*buf
;
172 nvc0
->vbo_fifo
= nvc0
->vbo_user
= 0;
174 nvc0_bufctx_reset(nvc0
, NVC0_BUFCTX_VERTEX
);
176 for (i
= 0; i
< nvc0
->num_vtxbufs
; ++i
) {
177 vb
= &nvc0
->vtxbuf
[i
];
180 buf
= nv04_resource(vb
->buffer
);
182 /* NOTE: user buffers with temporary storage count as mapped by GPU */
183 if (!nouveau_resource_mapped_by_gpu(vb
->buffer
)) {
184 if (nvc0
->vbo_push_hint
) {
188 if (buf
->status
& NOUVEAU_BUFFER_STATUS_USER_MEMORY
) {
189 nvc0
->vbo_user
|= 1 << i
;
190 assert(vb
->stride
> vb
->buffer_offset
);
191 nvc0_vbuf_range(nvc0
, i
, &base
, &size
);
192 nouveau_user_buffer_upload(buf
, base
, size
);
194 nouveau_buffer_migrate(&nvc0
->base
, buf
, NOUVEAU_BO_GART
);
196 nvc0
->base
.vbo_dirty
= TRUE
;
199 nvc0_bufctx_add_resident(nvc0
, NVC0_BUFCTX_VERTEX
, buf
, NOUVEAU_BO_RD
);
200 nouveau_buffer_adjust_score(&nvc0
->base
, buf
, 1);
205 nvc0_update_user_vbufs(struct nvc0_context
*nvc0
)
207 struct nouveau_channel
*chan
= nvc0
->screen
->base
.channel
;
208 uint32_t base
, offset
, size
;
210 uint32_t written
= 0;
212 for (i
= 0; i
< nvc0
->vertex
->num_elements
; ++i
) {
213 struct pipe_vertex_element
*ve
= &nvc0
->vertex
->element
[i
].pipe
;
214 const int b
= ve
->vertex_buffer_index
;
215 struct pipe_vertex_buffer
*vb
= &nvc0
->vtxbuf
[b
];
216 struct nv04_resource
*buf
= nv04_resource(vb
->buffer
);
218 if (!(nvc0
->vbo_user
& (1 << b
)))
222 nvc0_emit_vtxattr(nvc0
, vb
, ve
, i
);
225 nvc0_vbuf_range(nvc0
, b
, &base
, &size
);
227 if (!(written
& (1 << b
))) {
229 nouveau_user_buffer_upload(buf
, base
, size
);
231 offset
= vb
->buffer_offset
+ ve
->src_offset
;
233 MARK_RING (chan
, 6, 4);
234 BEGIN_RING_1I(chan
, RING_3D(VERTEX_ARRAY_SELECT
), 5);
236 OUT_RESRCh(chan
, buf
, base
+ size
- 1, NOUVEAU_BO_RD
);
237 OUT_RESRCl(chan
, buf
, base
+ size
- 1, NOUVEAU_BO_RD
);
238 OUT_RESRCh(chan
, buf
, offset
, NOUVEAU_BO_RD
);
239 OUT_RESRCl(chan
, buf
, offset
, NOUVEAU_BO_RD
);
241 nvc0
->base
.vbo_dirty
= TRUE
;
245 nvc0_release_user_vbufs(struct nvc0_context
*nvc0
)
247 uint32_t vbo_user
= nvc0
->vbo_user
;
250 int i
= ffs(vbo_user
) - 1;
251 vbo_user
&= ~(1 << i
);
253 nouveau_buffer_release_gpu_storage(nv04_resource(nvc0
->vtxbuf
[i
].buffer
));
258 nvc0_vertex_arrays_validate(struct nvc0_context
*nvc0
)
260 struct nouveau_channel
*chan
= nvc0
->screen
->base
.channel
;
261 struct nvc0_vertex_stateobj
*vertex
= nvc0
->vertex
;
262 struct pipe_vertex_buffer
*vb
;
263 struct nvc0_vertex_element
*ve
;
266 if (unlikely(vertex
->need_conversion
|| NVC0_USING_EDGEFLAG(nvc0
))) {
270 nvc0_prevalidate_vbufs(nvc0
);
273 BEGIN_RING(chan
, RING_3D(VERTEX_ATTRIB_FORMAT(0)), vertex
->num_elements
);
274 for (i
= 0; i
< vertex
->num_elements
; ++i
) {
275 ve
= &vertex
->element
[i
];
276 vb
= &nvc0
->vtxbuf
[ve
->pipe
.vertex_buffer_index
];
278 if (likely(vb
->stride
) || nvc0
->vbo_fifo
) {
279 OUT_RING(chan
, ve
->state
);
281 OUT_RING(chan
, ve
->state
| NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST
);
282 nvc0
->vbo_fifo
&= ~(1 << i
);
286 for (i
= 0; i
< vertex
->num_elements
; ++i
) {
287 struct nv04_resource
*res
;
288 unsigned size
, offset
;
290 ve
= &vertex
->element
[i
];
291 vb
= &nvc0
->vtxbuf
[ve
->pipe
.vertex_buffer_index
];
293 if (unlikely(ve
->pipe
.instance_divisor
)) {
294 if (!(nvc0
->state
.instance_elts
& (1 << i
))) {
295 IMMED_RING(chan
, RING_3D(VERTEX_ARRAY_PER_INSTANCE(i
)), 1);
297 BEGIN_RING(chan
, RING_3D(VERTEX_ARRAY_DIVISOR(i
)), 1);
298 OUT_RING (chan
, ve
->pipe
.instance_divisor
);
300 if (unlikely(nvc0
->state
.instance_elts
& (1 << i
))) {
301 IMMED_RING(chan
, RING_3D(VERTEX_ARRAY_PER_INSTANCE(i
)), 0);
304 res
= nv04_resource(vb
->buffer
);
306 if (nvc0
->vbo_fifo
|| unlikely(vb
->stride
== 0)) {
308 nvc0_emit_vtxattr(nvc0
, vb
, &ve
->pipe
, i
);
309 BEGIN_RING(chan
, RING_3D(VERTEX_ARRAY_FETCH(i
)), 1);
314 size
= vb
->buffer
->width0
;
315 offset
= ve
->pipe
.src_offset
+ vb
->buffer_offset
;
317 MARK_RING (chan
, 8, 4);
318 BEGIN_RING(chan
, RING_3D(VERTEX_ARRAY_FETCH(i
)), 1);
319 OUT_RING (chan
, (1 << 12) | vb
->stride
);
320 BEGIN_RING_1I(chan
, RING_3D(VERTEX_ARRAY_SELECT
), 5);
322 OUT_RESRCh(chan
, res
, size
- 1, NOUVEAU_BO_RD
);
323 OUT_RESRCl(chan
, res
, size
- 1, NOUVEAU_BO_RD
);
324 OUT_RESRCh(chan
, res
, offset
, NOUVEAU_BO_RD
);
325 OUT_RESRCl(chan
, res
, offset
, NOUVEAU_BO_RD
);
327 for (; i
< nvc0
->state
.num_vtxelts
; ++i
) {
328 BEGIN_RING(chan
, RING_3D(VERTEX_ATTRIB_FORMAT(i
)), 1);
329 OUT_RING (chan
, NVC0_3D_VERTEX_ATTRIB_INACTIVE
);
330 if (unlikely(nvc0
->state
.instance_elts
& (1 << i
)))
331 IMMED_RING(chan
, RING_3D(VERTEX_ARRAY_PER_INSTANCE(i
)), 0);
332 BEGIN_RING(chan
, RING_3D(VERTEX_ARRAY_FETCH(i
)), 1);
336 nvc0
->state
.num_vtxelts
= vertex
->num_elements
;
337 nvc0
->state
.instance_elts
= vertex
->instance_elts
;
340 #define NVC0_PRIM_GL_CASE(n) \
341 case PIPE_PRIM_##n: return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n
343 static INLINE
unsigned
344 nvc0_prim_gl(unsigned prim
)
347 NVC0_PRIM_GL_CASE(POINTS
);
348 NVC0_PRIM_GL_CASE(LINES
);
349 NVC0_PRIM_GL_CASE(LINE_LOOP
);
350 NVC0_PRIM_GL_CASE(LINE_STRIP
);
351 NVC0_PRIM_GL_CASE(TRIANGLES
);
352 NVC0_PRIM_GL_CASE(TRIANGLE_STRIP
);
353 NVC0_PRIM_GL_CASE(TRIANGLE_FAN
);
354 NVC0_PRIM_GL_CASE(QUADS
);
355 NVC0_PRIM_GL_CASE(QUAD_STRIP
);
356 NVC0_PRIM_GL_CASE(POLYGON
);
357 NVC0_PRIM_GL_CASE(LINES_ADJACENCY
);
358 NVC0_PRIM_GL_CASE(LINE_STRIP_ADJACENCY
);
359 NVC0_PRIM_GL_CASE(TRIANGLES_ADJACENCY
);
360 NVC0_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY
);
362 NVC0_PRIM_GL_CASE(PATCHES); */
364 return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS
;
370 nvc0_draw_vbo_flush_notify(struct nouveau_channel
*chan
)
372 struct nvc0_screen
*screen
= chan
->user_private
;
374 nouveau_fence_update(&screen
->base
, TRUE
);
376 nvc0_bufctx_emit_relocs(screen
->cur_ctx
);
380 nvc0_draw_arrays(struct nvc0_context
*nvc0
,
381 unsigned mode
, unsigned start
, unsigned count
,
382 unsigned instance_count
)
384 struct nouveau_channel
*chan
= nvc0
->screen
->base
.channel
;
387 if (nvc0
->state
.index_bias
) {
388 IMMED_RING(chan
, RING_3D(VB_ELEMENT_BASE
), 0);
389 nvc0
->state
.index_bias
= 0;
392 prim
= nvc0_prim_gl(mode
);
394 while (instance_count
--) {
395 BEGIN_RING(chan
, RING_3D(VERTEX_BEGIN_GL
), 1);
396 OUT_RING (chan
, prim
);
397 BEGIN_RING(chan
, RING_3D(VERTEX_BUFFER_FIRST
), 2);
398 OUT_RING (chan
, start
);
399 OUT_RING (chan
, count
);
400 IMMED_RING(chan
, RING_3D(VERTEX_END_GL
), 0);
402 prim
|= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT
;
407 nvc0_draw_elements_inline_u08(struct nouveau_channel
*chan
, uint8_t *map
,
408 unsigned start
, unsigned count
)
414 BEGIN_RING_NI(chan
, RING_3D(VB_ELEMENT_U32
), count
& 3);
415 for (i
= 0; i
< (count
& 3); ++i
)
416 OUT_RING(chan
, *map
++);
420 unsigned i
, nr
= MIN2(count
, NV04_PFIFO_MAX_PACKET_LEN
* 4) / 4;
422 BEGIN_RING_NI(chan
, RING_3D(VB_ELEMENT_U8
), nr
);
423 for (i
= 0; i
< nr
; ++i
) {
425 (map
[3] << 24) | (map
[2] << 16) | (map
[1] << 8) | map
[0]);
433 nvc0_draw_elements_inline_u16(struct nouveau_channel
*chan
, uint16_t *map
,
434 unsigned start
, unsigned count
)
440 BEGIN_RING(chan
, RING_3D(VB_ELEMENT_U32
), 1);
441 OUT_RING (chan
, *map
++);
444 unsigned i
, nr
= MIN2(count
, NV04_PFIFO_MAX_PACKET_LEN
* 2) / 2;
446 BEGIN_RING_NI(chan
, RING_3D(VB_ELEMENT_U16
), nr
);
447 for (i
= 0; i
< nr
; ++i
) {
448 OUT_RING(chan
, (map
[1] << 16) | map
[0]);
456 nvc0_draw_elements_inline_u32(struct nouveau_channel
*chan
, uint32_t *map
,
457 unsigned start
, unsigned count
)
462 const unsigned nr
= MIN2(count
, NV04_PFIFO_MAX_PACKET_LEN
);
464 BEGIN_RING_NI(chan
, RING_3D(VB_ELEMENT_U32
), nr
);
465 OUT_RINGp (chan
, map
, nr
);
473 nvc0_draw_elements_inline_u32_short(struct nouveau_channel
*chan
, uint32_t *map
,
474 unsigned start
, unsigned count
)
480 BEGIN_RING(chan
, RING_3D(VB_ELEMENT_U32
), 1);
481 OUT_RING (chan
, *map
++);
484 unsigned i
, nr
= MIN2(count
, NV04_PFIFO_MAX_PACKET_LEN
* 2) / 2;
486 BEGIN_RING_NI(chan
, RING_3D(VB_ELEMENT_U16
), nr
);
487 for (i
= 0; i
< nr
; ++i
) {
488 OUT_RING(chan
, (map
[1] << 16) | map
[0]);
496 nvc0_draw_elements(struct nvc0_context
*nvc0
, boolean shorten
,
497 unsigned mode
, unsigned start
, unsigned count
,
498 unsigned instance_count
, int32_t index_bias
)
500 struct nouveau_channel
*chan
= nvc0
->screen
->base
.channel
;
503 const unsigned index_size
= nvc0
->idxbuf
.index_size
;
505 prim
= nvc0_prim_gl(mode
);
507 if (index_bias
!= nvc0
->state
.index_bias
) {
508 BEGIN_RING(chan
, RING_3D(VB_ELEMENT_BASE
), 1);
509 OUT_RING (chan
, index_bias
);
510 nvc0
->state
.index_bias
= index_bias
;
513 if (nouveau_resource_mapped_by_gpu(nvc0
->idxbuf
.buffer
)) {
514 struct nv04_resource
*res
= nv04_resource(nvc0
->idxbuf
.buffer
);
515 unsigned offset
= nvc0
->idxbuf
.offset
;
516 unsigned limit
= nvc0
->idxbuf
.buffer
->width0
- 1;
518 nouveau_buffer_adjust_score(&nvc0
->base
, res
, 1);
520 while (instance_count
--) {
521 MARK_RING (chan
, 11, 4);
522 BEGIN_RING(chan
, RING_3D(VERTEX_BEGIN_GL
), 1);
523 OUT_RING (chan
, mode
);
524 BEGIN_RING(chan
, RING_3D(INDEX_ARRAY_START_HIGH
), 7);
525 OUT_RESRCh(chan
, res
, offset
, NOUVEAU_BO_RD
);
526 OUT_RESRCl(chan
, res
, offset
, NOUVEAU_BO_RD
);
527 OUT_RESRCh(chan
, res
, limit
, NOUVEAU_BO_RD
);
528 OUT_RESRCl(chan
, res
, limit
, NOUVEAU_BO_RD
);
529 OUT_RING (chan
, index_size
>> 1);
530 OUT_RING (chan
, start
);
531 OUT_RING (chan
, count
);
532 IMMED_RING(chan
, RING_3D(VERTEX_END_GL
), 0);
534 nvc0_resource_fence(res
, NOUVEAU_BO_RD
);
536 mode
|= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT
;
539 data
= nouveau_resource_map_offset(&nvc0
->base
,
540 nv04_resource(nvc0
->idxbuf
.buffer
),
541 nvc0
->idxbuf
.offset
, NOUVEAU_BO_RD
);
545 while (instance_count
--) {
546 BEGIN_RING(chan
, RING_3D(VERTEX_BEGIN_GL
), 1);
547 OUT_RING (chan
, prim
);
548 switch (index_size
) {
550 nvc0_draw_elements_inline_u08(chan
, data
, start
, count
);
553 nvc0_draw_elements_inline_u16(chan
, data
, start
, count
);
557 nvc0_draw_elements_inline_u32_short(chan
, data
, start
, count
);
559 nvc0_draw_elements_inline_u32(chan
, data
, start
, count
);
565 IMMED_RING(chan
, RING_3D(VERTEX_END_GL
), 0);
567 prim
|= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT
;
573 nvc0_draw_stream_output(struct nvc0_context
*nvc0
,
574 const struct pipe_draw_info
*info
)
576 struct nouveau_channel
*chan
= nvc0
->screen
->base
.channel
;
577 struct nvc0_so_target
*so
= nvc0_so_target(info
->count_from_stream_output
);
578 struct nv04_resource
*res
= nv04_resource(so
->pipe
.buffer
);
579 unsigned mode
= nvc0_prim_gl(info
->mode
);
580 unsigned num_instances
= info
->instance_count
;
582 if (res
->status
& NOUVEAU_BUFFER_STATUS_GPU_WRITING
) {
583 res
->status
&= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING
;
584 IMMED_RING(chan
, RING_3D(SERIALIZE
), 0);
585 nvc0_query_fifo_wait(chan
, so
->pq
);
586 IMMED_RING(chan
, RING_3D(VERTEX_ARRAY_FLUSH
), 0);
589 while (num_instances
--) {
590 BEGIN_RING(chan
, RING_3D(VERTEX_BEGIN_GL
), 1);
591 OUT_RING (chan
, mode
);
592 BEGIN_RING(chan
, RING_3D(DRAW_TFB_BASE
), 1);
594 BEGIN_RING(chan
, RING_3D(DRAW_TFB_STRIDE
), 1);
595 OUT_RING (chan
, so
->stride
);
596 BEGIN_RING(chan
, RING_3D(DRAW_TFB_BYTES
), 1);
597 nvc0_query_pushbuf_submit(chan
, so
->pq
, 0x4);
598 IMMED_RING(chan
, RING_3D(VERTEX_END_GL
), 0);
600 mode
|= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT
;
605 nvc0_draw_vbo(struct pipe_context
*pipe
, const struct pipe_draw_info
*info
)
607 struct nvc0_context
*nvc0
= nvc0_context(pipe
);
608 struct nouveau_channel
*chan
= nvc0
->screen
->base
.channel
;
610 /* For picking only a few vertices from a large user buffer, push is better,
611 * if index count is larger and we expect repeated vertices, suggest upload.
613 nvc0
->vbo_push_hint
= /* the 64 is heuristic */
615 ((info
->max_index
- info
->min_index
+ 64) < info
->count
));
617 nvc0
->vbo_min_index
= info
->min_index
;
618 nvc0
->vbo_max_index
= info
->max_index
;
620 if (nvc0
->vbo_push_hint
!= !!nvc0
->vbo_fifo
)
621 nvc0
->dirty
|= NVC0_NEW_ARRAYS
;
623 if (nvc0
->vbo_user
&& !(nvc0
->dirty
& (NVC0_NEW_VERTEX
| NVC0_NEW_ARRAYS
)))
624 nvc0_update_user_vbufs(nvc0
);
626 /* 8 as minimum to avoid immediate double validation of new buffers */
627 nvc0_state_validate(nvc0
, ~0, 8);
629 chan
->flush_notify
= nvc0_draw_vbo_flush_notify
;
631 if (nvc0
->vbo_fifo
) {
632 nvc0_push_vbo(nvc0
, info
);
633 chan
->flush_notify
= nvc0_default_flush_notify
;
637 if (nvc0
->state
.instance_base
!= info
->start_instance
) {
638 nvc0
->state
.instance_base
= info
->start_instance
;
639 /* NOTE: this does not affect the shader input, should it ? */
640 BEGIN_RING(chan
, RING_3D(VB_INSTANCE_BASE
), 1);
641 OUT_RING (chan
, info
->start_instance
);
644 if (nvc0
->base
.vbo_dirty
) {
645 BEGIN_RING(chan
, RING_3D(VERTEX_ARRAY_FLUSH
), 1);
647 nvc0
->base
.vbo_dirty
= FALSE
;
650 if (unlikely(info
->count_from_stream_output
)) {
651 nvc0_draw_stream_output(nvc0
, info
);
653 if (!info
->indexed
) {
654 nvc0_draw_arrays(nvc0
,
655 info
->mode
, info
->start
, info
->count
,
656 info
->instance_count
);
658 boolean shorten
= info
->max_index
<= 65535;
660 assert(nvc0
->idxbuf
.buffer
);
662 if (info
->primitive_restart
!= nvc0
->state
.prim_restart
) {
663 if (info
->primitive_restart
) {
664 BEGIN_RING(chan
, RING_3D(PRIM_RESTART_ENABLE
), 2);
666 OUT_RING (chan
, info
->restart_index
);
668 if (info
->restart_index
> 65535)
671 IMMED_RING(chan
, RING_3D(PRIM_RESTART_ENABLE
), 0);
673 nvc0
->state
.prim_restart
= info
->primitive_restart
;
675 if (info
->primitive_restart
) {
676 BEGIN_RING(chan
, RING_3D(PRIM_RESTART_INDEX
), 1);
677 OUT_RING (chan
, info
->restart_index
);
679 if (info
->restart_index
> 65535)
683 nvc0_draw_elements(nvc0
, shorten
,
684 info
->mode
, info
->start
, info
->count
,
685 info
->instance_count
, info
->index_bias
);
687 chan
->flush_notify
= nvc0_default_flush_notify
;
689 nvc0_release_user_vbufs(nvc0
);