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1 /*
2  * Copyright 2010 Christoph Bumiller
3  *
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:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  */
22 
23 #define NVC0_PUSH_EXPLICIT_SPACE_CHECKING
24 
25 #include "pipe/p_context.h"
26 #include "pipe/p_state.h"
27 #include "util/u_inlines.h"
28 #include "util/format/u_format.h"
29 #include "translate/translate.h"
30 
31 #include "nvc0/nvc0_context.h"
32 #include "nvc0/nvc0_query_hw.h"
33 #include "nvc0/nvc0_resource.h"
34 
35 #include "nvc0/nvc0_3d.xml.h"
36 
37 void
nvc0_vertex_state_delete(struct pipe_context * pipe,void * hwcso)38 nvc0_vertex_state_delete(struct pipe_context *pipe,
39                          void *hwcso)
40 {
41    struct nvc0_vertex_stateobj *so = hwcso;
42 
43    if (so->translate)
44       so->translate->release(so->translate);
45    FREE(hwcso);
46 }
47 
48 void *
nvc0_vertex_state_create(struct pipe_context * pipe,unsigned num_elements,const struct pipe_vertex_element * elements)49 nvc0_vertex_state_create(struct pipe_context *pipe,
50                          unsigned num_elements,
51                          const struct pipe_vertex_element *elements)
52 {
53     struct nvc0_vertex_stateobj *so;
54     struct translate_key transkey;
55     unsigned i;
56     unsigned src_offset_max = 0;
57 
58     so = MALLOC(sizeof(*so) +
59                 num_elements * sizeof(struct nvc0_vertex_element));
60     if (!so)
61         return NULL;
62     so->num_elements = num_elements;
63     so->instance_elts = 0;
64     so->instance_bufs = 0;
65     so->shared_slots = false;
66     so->need_conversion = false;
67 
68     memset(so->vb_access_size, 0, sizeof(so->vb_access_size));
69 
70     for (i = 0; i < PIPE_MAX_ATTRIBS; ++i)
71        so->min_instance_div[i] = 0xffffffff;
72 
73     transkey.nr_elements = 0;
74     transkey.output_stride = 0;
75 
76     for (i = 0; i < num_elements; ++i) {
77         const struct pipe_vertex_element *ve = &elements[i];
78         const unsigned vbi = ve->vertex_buffer_index;
79         unsigned size;
80         enum pipe_format fmt = ve->src_format;
81 
82         so->element[i].pipe = elements[i];
83         so->element[i].state = nvc0_vertex_format[fmt].vtx;
84 
85         if (!so->element[i].state) {
86             switch (util_format_get_nr_components(fmt)) {
87             case 1: fmt = PIPE_FORMAT_R32_FLOAT; break;
88             case 2: fmt = PIPE_FORMAT_R32G32_FLOAT; break;
89             case 3: fmt = PIPE_FORMAT_R32G32B32_FLOAT; break;
90             case 4: fmt = PIPE_FORMAT_R32G32B32A32_FLOAT; break;
91             default:
92                 assert(0);
93                 FREE(so);
94                 return NULL;
95             }
96             so->element[i].state = nvc0_vertex_format[fmt].vtx;
97             so->need_conversion = true;
98             pipe_debug_message(&nouveau_context(pipe)->debug, FALLBACK,
99                                "Converting vertex element %d, no hw format %s",
100                                i, util_format_name(ve->src_format));
101         }
102         size = util_format_get_blocksize(fmt);
103 
104         src_offset_max = MAX2(src_offset_max, ve->src_offset);
105 
106         if (so->vb_access_size[vbi] < (ve->src_offset + size))
107            so->vb_access_size[vbi] = ve->src_offset + size;
108 
109         if (unlikely(ve->instance_divisor)) {
110            so->instance_elts |= 1 << i;
111            so->instance_bufs |= 1 << vbi;
112            if (ve->instance_divisor < so->min_instance_div[vbi])
113               so->min_instance_div[vbi] = ve->instance_divisor;
114         }
115 
116         if (1) {
117             unsigned ca;
118             unsigned j = transkey.nr_elements++;
119 
120             ca = util_format_description(fmt)->channel[0].size / 8;
121             if (ca != 1 && ca != 2)
122                ca = 4;
123 
124             transkey.element[j].type = TRANSLATE_ELEMENT_NORMAL;
125             transkey.element[j].input_format = ve->src_format;
126             transkey.element[j].input_buffer = vbi;
127             transkey.element[j].input_offset = ve->src_offset;
128             transkey.element[j].instance_divisor = ve->instance_divisor;
129 
130             transkey.output_stride = align(transkey.output_stride, ca);
131             transkey.element[j].output_format = fmt;
132             transkey.element[j].output_offset = transkey.output_stride;
133             transkey.output_stride += size;
134 
135             so->element[i].state_alt = so->element[i].state;
136             so->element[i].state_alt |= transkey.element[j].output_offset << 7;
137         }
138 
139         so->element[i].state |= i << NVC0_3D_VERTEX_ATTRIB_FORMAT_BUFFER__SHIFT;
140     }
141     transkey.output_stride = align(transkey.output_stride, 4);
142 
143     so->size = transkey.output_stride;
144     so->translate = translate_create(&transkey);
145 
146     if (so->instance_elts || src_offset_max >= (1 << 14))
147        return so;
148     so->shared_slots = true;
149 
150     for (i = 0; i < num_elements; ++i) {
151        const unsigned b = elements[i].vertex_buffer_index;
152        const unsigned s = elements[i].src_offset;
153        so->element[i].state &= ~NVC0_3D_VERTEX_ATTRIB_FORMAT_BUFFER__MASK;
154        so->element[i].state |= b << NVC0_3D_VERTEX_ATTRIB_FORMAT_BUFFER__SHIFT;
155        so->element[i].state |= s << NVC0_3D_VERTEX_ATTRIB_FORMAT_OFFSET__SHIFT;
156     }
157     return so;
158 }
159 
160 #define NVC0_3D_VERTEX_ATTRIB_INACTIVE                                       \
161    NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT |                                 \
162    NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32 | NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST
163 
164 #define VTX_ATTR(a, c, t, s)                            \
165    ((NVC0_3D_VTX_ATTR_DEFINE_TYPE_##t) |                \
166     (NVC0_3D_VTX_ATTR_DEFINE_SIZE_##s) |                \
167     ((a) << NVC0_3D_VTX_ATTR_DEFINE_ATTR__SHIFT) |      \
168     ((c) << NVC0_3D_VTX_ATTR_DEFINE_COMP__SHIFT))
169 
170 static void
nvc0_set_constant_vertex_attrib(struct nvc0_context * nvc0,const unsigned a)171 nvc0_set_constant_vertex_attrib(struct nvc0_context *nvc0, const unsigned a)
172 {
173    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
174    struct pipe_vertex_element *ve = &nvc0->vertex->element[a].pipe;
175    struct pipe_vertex_buffer *vb = &nvc0->vtxbuf[ve->vertex_buffer_index];
176    uint32_t mode;
177    const struct util_format_description *desc;
178    void *dst;
179    const void *src = (const uint8_t *)vb->buffer.user + ve->src_offset;
180    assert(vb->is_user_buffer);
181 
182    desc = util_format_description(ve->src_format);
183 
184    PUSH_SPACE(push, 6);
185    BEGIN_NVC0(push, NVC0_3D(VTX_ATTR_DEFINE), 5);
186    dst = &push->cur[1];
187    util_format_unpack_rgba(ve->src_format, dst, src, 1);
188    if (desc->channel[0].pure_integer) {
189       if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
190          mode = VTX_ATTR(a, 4, SINT, 32);
191       } else {
192          mode = VTX_ATTR(a, 4, UINT, 32);
193       }
194    } else {
195       mode = VTX_ATTR(a, 4, FLOAT, 32);
196    }
197    push->cur[0] = mode;
198    push->cur += 5;
199 }
200 
201 static inline void
nvc0_user_vbuf_range(struct nvc0_context * nvc0,int vbi,uint32_t * base,uint32_t * size)202 nvc0_user_vbuf_range(struct nvc0_context *nvc0, int vbi,
203                      uint32_t *base, uint32_t *size)
204 {
205    if (unlikely(nvc0->vertex->instance_bufs & (1 << vbi))) {
206       const uint32_t div = nvc0->vertex->min_instance_div[vbi];
207       *base = nvc0->instance_off * nvc0->vtxbuf[vbi].stride;
208       *size = (nvc0->instance_max / div) * nvc0->vtxbuf[vbi].stride +
209          nvc0->vertex->vb_access_size[vbi];
210    } else {
211       /* NOTE: if there are user buffers, we *must* have index bounds */
212       assert(nvc0->vb_elt_limit != ~0);
213       *base = nvc0->vb_elt_first * nvc0->vtxbuf[vbi].stride;
214       *size = nvc0->vb_elt_limit * nvc0->vtxbuf[vbi].stride +
215          nvc0->vertex->vb_access_size[vbi];
216    }
217 }
218 
219 static inline void
nvc0_release_user_vbufs(struct nvc0_context * nvc0)220 nvc0_release_user_vbufs(struct nvc0_context *nvc0)
221 {
222    if (nvc0->vbo_user) {
223       nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_VTX_TMP);
224       nouveau_scratch_done(&nvc0->base);
225    }
226 }
227 
228 static void
nvc0_update_user_vbufs(struct nvc0_context * nvc0)229 nvc0_update_user_vbufs(struct nvc0_context *nvc0)
230 {
231    uint64_t address[PIPE_MAX_ATTRIBS];
232    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
233    int i;
234    uint32_t written = 0;
235 
236    PUSH_SPACE(push, nvc0->vertex->num_elements * 8);
237    for (i = 0; i < nvc0->vertex->num_elements; ++i) {
238       struct pipe_vertex_element *ve = &nvc0->vertex->element[i].pipe;
239       const unsigned b = ve->vertex_buffer_index;
240       struct pipe_vertex_buffer *vb = &nvc0->vtxbuf[b];
241       uint32_t base, size;
242 
243       if (!(nvc0->vbo_user & (1 << b)))
244          continue;
245       if (nvc0->constant_vbos & (1 << b)) {
246          nvc0_set_constant_vertex_attrib(nvc0, i);
247          continue;
248       }
249       nvc0_user_vbuf_range(nvc0, b, &base, &size);
250 
251       if (!(written & (1 << b))) {
252          struct nouveau_bo *bo;
253          const uint32_t bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART;
254          written |= 1 << b;
255          address[b] = nouveau_scratch_data(&nvc0->base, vb->buffer.user,
256                                            base, size, &bo);
257          if (bo)
258             BCTX_REFN_bo(nvc0->bufctx_3d, 3D_VTX_TMP, bo_flags, bo);
259 
260          NOUVEAU_DRV_STAT(&nvc0->screen->base, user_buffer_upload_bytes, size);
261       }
262 
263       BEGIN_1IC0(push, NVC0_3D(MACRO_VERTEX_ARRAY_SELECT), 5);
264       PUSH_DATA (push, i);
265       PUSH_DATAh(push, address[b] + base + size - 1);
266       PUSH_DATA (push, address[b] + base + size - 1);
267       PUSH_DATAh(push, address[b] + ve->src_offset);
268       PUSH_DATA (push, address[b] + ve->src_offset);
269    }
270    nvc0->base.vbo_dirty = true;
271 }
272 
273 static void
nvc0_update_user_vbufs_shared(struct nvc0_context * nvc0)274 nvc0_update_user_vbufs_shared(struct nvc0_context *nvc0)
275 {
276    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
277    uint32_t mask = nvc0->vbo_user & ~nvc0->constant_vbos;
278 
279    PUSH_SPACE(push, nvc0->num_vtxbufs * 8);
280    while (mask) {
281       struct nouveau_bo *bo;
282       const uint32_t bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART;
283       uint64_t address;
284       uint32_t base, size;
285       const int b = ffs(mask) - 1;
286       mask &= ~(1 << b);
287 
288       nvc0_user_vbuf_range(nvc0, b, &base, &size);
289 
290       address = nouveau_scratch_data(&nvc0->base, nvc0->vtxbuf[b].buffer.user,
291                                      base, size, &bo);
292       if (bo)
293          BCTX_REFN_bo(nvc0->bufctx_3d, 3D_VTX_TMP, bo_flags, bo);
294 
295       BEGIN_1IC0(push, NVC0_3D(MACRO_VERTEX_ARRAY_SELECT), 5);
296       PUSH_DATA (push, b);
297       PUSH_DATAh(push, address + base + size - 1);
298       PUSH_DATA (push, address + base + size - 1);
299       PUSH_DATAh(push, address);
300       PUSH_DATA (push, address);
301 
302       NOUVEAU_DRV_STAT(&nvc0->screen->base, user_buffer_upload_bytes, size);
303    }
304 
305    mask = nvc0->state.constant_elts;
306    while (mask) {
307       int i = ffs(mask) - 1;
308       mask &= ~(1 << i);
309       nvc0_set_constant_vertex_attrib(nvc0, i);
310    }
311 }
312 
313 static void
nvc0_validate_vertex_buffers(struct nvc0_context * nvc0)314 nvc0_validate_vertex_buffers(struct nvc0_context *nvc0)
315 {
316    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
317    const struct nvc0_vertex_stateobj *vertex = nvc0->vertex;
318    uint32_t refd = 0;
319    unsigned i;
320 
321    PUSH_SPACE(push, vertex->num_elements * 8);
322    for (i = 0; i < vertex->num_elements; ++i) {
323       const struct nvc0_vertex_element *ve;
324       const struct pipe_vertex_buffer *vb;
325       struct nv04_resource *res;
326       unsigned b;
327       unsigned limit, offset;
328 
329       if (nvc0->state.constant_elts & (1 << i))
330          continue;
331       ve = &vertex->element[i];
332       b = ve->pipe.vertex_buffer_index;
333       vb = &nvc0->vtxbuf[b];
334 
335       if (nvc0->vbo_user & (1 << b)) {
336          if (!(nvc0->constant_vbos & (1 << b))) {
337             if (ve->pipe.instance_divisor) {
338                BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_DIVISOR(i)), 1);
339                PUSH_DATA (push, ve->pipe.instance_divisor);
340             }
341             BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 1);
342             PUSH_DATA (push, (1 << 12) | vb->stride);
343          }
344          /* address/value set in nvc0_update_user_vbufs */
345          continue;
346       }
347       res = nv04_resource(vb->buffer.resource);
348       offset = ve->pipe.src_offset + vb->buffer_offset;
349       limit = vb->buffer.resource->width0 - 1;
350 
351       if (unlikely(ve->pipe.instance_divisor)) {
352          BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 4);
353          PUSH_DATA (push, NVC0_3D_VERTEX_ARRAY_FETCH_ENABLE | vb->stride);
354          PUSH_DATAh(push, res->address + offset);
355          PUSH_DATA (push, res->address + offset);
356          PUSH_DATA (push, ve->pipe.instance_divisor);
357       } else {
358          BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 3);
359          PUSH_DATA (push, NVC0_3D_VERTEX_ARRAY_FETCH_ENABLE | vb->stride);
360          PUSH_DATAh(push, res->address + offset);
361          PUSH_DATA (push, res->address + offset);
362       }
363 
364       if (nvc0->screen->eng3d->oclass < TU102_3D_CLASS)
365          BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_LIMIT_HIGH(i)), 2);
366       else
367          BEGIN_NVC0(push, SUBC_3D(TU102_3D_VERTEX_ARRAY_LIMIT_HIGH(i)), 2);
368       PUSH_DATAh(push, res->address + limit);
369       PUSH_DATA (push, res->address + limit);
370 
371       if (!(refd & (1 << b))) {
372          refd |= 1 << b;
373          BCTX_REFN(nvc0->bufctx_3d, 3D_VTX, res, RD);
374       }
375    }
376    if (nvc0->vbo_user)
377       nvc0_update_user_vbufs(nvc0);
378 }
379 
380 static void
nvc0_validate_vertex_buffers_shared(struct nvc0_context * nvc0)381 nvc0_validate_vertex_buffers_shared(struct nvc0_context *nvc0)
382 {
383    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
384    unsigned b;
385    const uint32_t mask = nvc0->vbo_user;
386 
387    PUSH_SPACE(push, nvc0->num_vtxbufs * 8 + nvc0->vertex->num_elements);
388    for (b = 0; b < nvc0->num_vtxbufs; ++b) {
389       struct pipe_vertex_buffer *vb = &nvc0->vtxbuf[b];
390       struct nv04_resource *buf;
391       uint32_t offset, limit;
392 
393       if (mask & (1 << b)) {
394          if (!(nvc0->constant_vbos & (1 << b))) {
395             BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(b)), 1);
396             PUSH_DATA (push, NVC0_3D_VERTEX_ARRAY_FETCH_ENABLE | vb->stride);
397          }
398          /* address/value set in nvc0_update_user_vbufs_shared */
399          continue;
400       } else if (!vb->buffer.resource) {
401          /* there can be holes in the vertex buffer lists */
402          IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(b)), 0);
403          continue;
404       }
405       buf = nv04_resource(vb->buffer.resource);
406       offset = vb->buffer_offset;
407       limit = buf->base.width0 - 1;
408 
409       BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(b)), 3);
410       PUSH_DATA (push, NVC0_3D_VERTEX_ARRAY_FETCH_ENABLE | vb->stride);
411       PUSH_DATAh(push, buf->address + offset);
412       PUSH_DATA (push, buf->address + offset);
413 
414       if (nvc0->screen->eng3d->oclass < TU102_3D_CLASS)
415          BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_LIMIT_HIGH(b)), 2);
416       else
417          BEGIN_NVC0(push, SUBC_3D(TU102_3D_VERTEX_ARRAY_LIMIT_HIGH(b)), 2);
418       PUSH_DATAh(push, buf->address + limit);
419       PUSH_DATA (push, buf->address + limit);
420 
421       BCTX_REFN(nvc0->bufctx_3d, 3D_VTX, buf, RD);
422    }
423    /* If there are more elements than buffers, we might not have unset
424     * fetching on the later elements.
425     */
426    for (; b < nvc0->vertex->num_elements; ++b)
427       IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(b)), 0);
428 
429    if (nvc0->vbo_user)
430       nvc0_update_user_vbufs_shared(nvc0);
431 }
432 
433 void
nvc0_vertex_arrays_validate(struct nvc0_context * nvc0)434 nvc0_vertex_arrays_validate(struct nvc0_context *nvc0)
435 {
436    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
437    struct nvc0_vertex_stateobj *vertex = nvc0->vertex;
438    struct nvc0_vertex_element *ve;
439    uint32_t const_vbos;
440    unsigned i;
441    uint8_t vbo_mode;
442    bool update_vertex;
443 
444    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_VTX);
445 
446    assert(vertex);
447    if (unlikely(vertex->need_conversion) ||
448        unlikely(nvc0->vertprog->vp.edgeflag < PIPE_MAX_ATTRIBS)) {
449       vbo_mode = 3;
450    } else if (nvc0->vbo_user & ~nvc0->constant_vbos) {
451       vbo_mode = nvc0->vbo_push_hint ? 1 : 0;
452    } else {
453       vbo_mode = 0;
454    }
455    const_vbos = vbo_mode ? 0 : nvc0->constant_vbos;
456 
457    update_vertex = (nvc0->dirty_3d & NVC0_NEW_3D_VERTEX) ||
458       (const_vbos != nvc0->state.constant_vbos) ||
459       (vbo_mode != nvc0->state.vbo_mode);
460 
461    if (update_vertex) {
462       const unsigned n = MAX2(vertex->num_elements, nvc0->state.num_vtxelts);
463 
464       nvc0->state.constant_vbos = const_vbos;
465       nvc0->state.constant_elts = 0;
466       nvc0->state.num_vtxelts = vertex->num_elements;
467       nvc0->state.vbo_mode = vbo_mode;
468 
469       if (unlikely(vbo_mode)) {
470          if (unlikely(nvc0->state.instance_elts & 3)) {
471             /* translate mode uses only 2 vertex buffers */
472             nvc0->state.instance_elts &= ~3;
473             PUSH_SPACE(push, 3);
474             BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_PER_INSTANCE(0)), 2);
475             PUSH_DATA (push, 0);
476             PUSH_DATA (push, 0);
477          }
478 
479          PUSH_SPACE(push, n * 2 + 4);
480 
481          BEGIN_NVC0(push, NVC0_3D(VERTEX_ATTRIB_FORMAT(0)), n);
482          for (i = 0; i < vertex->num_elements; ++i)
483             PUSH_DATA(push, vertex->element[i].state_alt);
484          for (; i < n; ++i)
485             PUSH_DATA(push, NVC0_3D_VERTEX_ATTRIB_INACTIVE);
486 
487          BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(0)), 1);
488          PUSH_DATA (push, (1 << 12) | vertex->size);
489          for (i = 1; i < n; ++i)
490             IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 0);
491       } else {
492          uint32_t *restrict data;
493 
494          if (unlikely(vertex->instance_elts != nvc0->state.instance_elts)) {
495             nvc0->state.instance_elts = vertex->instance_elts;
496             assert(n); /* if (n == 0), both masks should be 0 */
497             PUSH_SPACE(push, 3);
498             BEGIN_NVC0(push, NVC0_3D(MACRO_VERTEX_ARRAY_PER_INSTANCE), 2);
499             PUSH_DATA (push, n);
500             PUSH_DATA (push, vertex->instance_elts);
501          }
502 
503          PUSH_SPACE(push, n * 2 + 1);
504          BEGIN_NVC0(push, NVC0_3D(VERTEX_ATTRIB_FORMAT(0)), n);
505          data = push->cur;
506          push->cur += n;
507          for (i = 0; i < vertex->num_elements; ++i) {
508             ve = &vertex->element[i];
509             data[i] = ve->state;
510             if (unlikely(const_vbos & (1 << ve->pipe.vertex_buffer_index))) {
511                nvc0->state.constant_elts |= 1 << i;
512                data[i] |= NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST;
513                IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 0);
514             }
515          }
516          for (; i < n; ++i) {
517             data[i] = NVC0_3D_VERTEX_ATTRIB_INACTIVE;
518             IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 0);
519          }
520       }
521    }
522    if (nvc0->state.vbo_mode) /* using translate, don't set up arrays here */
523       return;
524 
525    if (vertex->shared_slots)
526       nvc0_validate_vertex_buffers_shared(nvc0);
527    else
528       nvc0_validate_vertex_buffers(nvc0);
529 }
530 
531 #define NVC0_PRIM_GL_CASE(n) \
532    case PIPE_PRIM_##n: return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n
533 
534 static inline unsigned
nvc0_prim_gl(unsigned prim)535 nvc0_prim_gl(unsigned prim)
536 {
537    switch (prim) {
538    NVC0_PRIM_GL_CASE(POINTS);
539    NVC0_PRIM_GL_CASE(LINES);
540    NVC0_PRIM_GL_CASE(LINE_LOOP);
541    NVC0_PRIM_GL_CASE(LINE_STRIP);
542    NVC0_PRIM_GL_CASE(TRIANGLES);
543    NVC0_PRIM_GL_CASE(TRIANGLE_STRIP);
544    NVC0_PRIM_GL_CASE(TRIANGLE_FAN);
545    NVC0_PRIM_GL_CASE(QUADS);
546    NVC0_PRIM_GL_CASE(QUAD_STRIP);
547    NVC0_PRIM_GL_CASE(POLYGON);
548    NVC0_PRIM_GL_CASE(LINES_ADJACENCY);
549    NVC0_PRIM_GL_CASE(LINE_STRIP_ADJACENCY);
550    NVC0_PRIM_GL_CASE(TRIANGLES_ADJACENCY);
551    NVC0_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY);
552    NVC0_PRIM_GL_CASE(PATCHES);
553    default:
554       return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS;
555    }
556 }
557 
558 static void
nvc0_draw_vbo_kick_notify(struct nouveau_pushbuf * push)559 nvc0_draw_vbo_kick_notify(struct nouveau_pushbuf *push)
560 {
561    struct nvc0_screen *screen = push->user_priv;
562 
563    nouveau_fence_update(&screen->base, true);
564 
565    NOUVEAU_DRV_STAT(&screen->base, pushbuf_count, 1);
566 }
567 
568 static void
nvc0_draw_arrays(struct nvc0_context * nvc0,unsigned mode,unsigned start,unsigned count,unsigned instance_count)569 nvc0_draw_arrays(struct nvc0_context *nvc0,
570                  unsigned mode, unsigned start, unsigned count,
571                  unsigned instance_count)
572 {
573    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
574    unsigned prim;
575 
576    if (nvc0->state.index_bias) {
577       /* index_bias is implied 0 if !info->index_size (really ?) */
578       /* TODO: can we deactivate it for the VERTEX_BUFFER_FIRST command ? */
579       PUSH_SPACE(push, 2);
580       IMMED_NVC0(push, NVC0_3D(VB_ELEMENT_BASE), 0);
581       IMMED_NVC0(push, NVC0_3D(VERTEX_ID_BASE), 0);
582       nvc0->state.index_bias = 0;
583    }
584 
585    prim = nvc0_prim_gl(mode);
586 
587    while (instance_count--) {
588       PUSH_SPACE(push, 6);
589       BEGIN_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL), 1);
590       PUSH_DATA (push, prim);
591       BEGIN_NVC0(push, NVC0_3D(VERTEX_BUFFER_FIRST), 2);
592       PUSH_DATA (push, start);
593       PUSH_DATA (push, count);
594       IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0);
595 
596       prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
597    }
598    NOUVEAU_DRV_STAT(&nvc0->screen->base, draw_calls_array, 1);
599 }
600 
601 static void
nvc0_draw_elements_inline_u08(struct nouveau_pushbuf * push,const uint8_t * map,unsigned start,unsigned count)602 nvc0_draw_elements_inline_u08(struct nouveau_pushbuf *push, const uint8_t *map,
603                               unsigned start, unsigned count)
604 {
605    map += start;
606 
607    if (count & 3) {
608       unsigned i;
609       PUSH_SPACE(push, 4);
610       BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U32), count & 3);
611       for (i = 0; i < (count & 3); ++i)
612          PUSH_DATA(push, *map++);
613       count &= ~3;
614    }
615    while (count) {
616       unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 4) / 4;
617 
618       PUSH_SPACE(push, nr + 1);
619       BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U8), nr);
620       for (i = 0; i < nr; ++i) {
621          PUSH_DATA(push,
622                   (map[3] << 24) | (map[2] << 16) | (map[1] << 8) | map[0]);
623          map += 4;
624       }
625       count -= nr * 4;
626    }
627 }
628 
629 static void
nvc0_draw_elements_inline_u16(struct nouveau_pushbuf * push,const uint16_t * map,unsigned start,unsigned count)630 nvc0_draw_elements_inline_u16(struct nouveau_pushbuf *push, const uint16_t *map,
631                               unsigned start, unsigned count)
632 {
633    map += start;
634 
635    if (count & 1) {
636       count &= ~1;
637       PUSH_SPACE(push, 2);
638       BEGIN_NVC0(push, NVC0_3D(VB_ELEMENT_U32), 1);
639       PUSH_DATA (push, *map++);
640    }
641    while (count) {
642       unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 2) / 2;
643 
644       PUSH_SPACE(push, nr + 1);
645       BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U16), nr);
646       for (i = 0; i < nr; ++i) {
647          PUSH_DATA(push, (map[1] << 16) | map[0]);
648          map += 2;
649       }
650       count -= nr * 2;
651    }
652 }
653 
654 static void
nvc0_draw_elements_inline_u32(struct nouveau_pushbuf * push,const uint32_t * map,unsigned start,unsigned count)655 nvc0_draw_elements_inline_u32(struct nouveau_pushbuf *push, const uint32_t *map,
656                               unsigned start, unsigned count)
657 {
658    map += start;
659 
660    while (count) {
661       const unsigned nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN);
662 
663       PUSH_SPACE(push, nr + 1);
664       BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U32), nr);
665       PUSH_DATAp(push, map, nr);
666 
667       map += nr;
668       count -= nr;
669    }
670 }
671 
672 static void
nvc0_draw_elements_inline_u32_short(struct nouveau_pushbuf * push,const uint32_t * map,unsigned start,unsigned count)673 nvc0_draw_elements_inline_u32_short(struct nouveau_pushbuf *push,
674                                     const uint32_t *map,
675                                     unsigned start, unsigned count)
676 {
677    map += start;
678 
679    if (count & 1) {
680       count--;
681       PUSH_SPACE(push, 2);
682       BEGIN_NVC0(push, NVC0_3D(VB_ELEMENT_U32), 1);
683       PUSH_DATA (push, *map++);
684    }
685    while (count) {
686       unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 2) / 2;
687 
688       PUSH_SPACE(push, nr + 1);
689       BEGIN_NIC0(push, NVC0_3D(VB_ELEMENT_U16), nr);
690       for (i = 0; i < nr; ++i) {
691          PUSH_DATA(push, (map[1] << 16) | map[0]);
692          map += 2;
693       }
694       count -= nr * 2;
695    }
696 }
697 
698 static void
nvc0_draw_elements(struct nvc0_context * nvc0,bool shorten,const struct pipe_draw_info * info,unsigned mode,unsigned start,unsigned count,unsigned instance_count,int32_t index_bias,unsigned index_size)699 nvc0_draw_elements(struct nvc0_context *nvc0, bool shorten,
700                    const struct pipe_draw_info *info,
701                    unsigned mode, unsigned start, unsigned count,
702                    unsigned instance_count, int32_t index_bias,
703 		   unsigned index_size)
704 {
705    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
706    unsigned prim;
707 
708    prim = nvc0_prim_gl(mode);
709 
710    if (index_bias != nvc0->state.index_bias) {
711       PUSH_SPACE(push, 4);
712       BEGIN_NVC0(push, NVC0_3D(VB_ELEMENT_BASE), 1);
713       PUSH_DATA (push, index_bias);
714       BEGIN_NVC0(push, NVC0_3D(VERTEX_ID_BASE), 1);
715       PUSH_DATA (push, index_bias);
716       nvc0->state.index_bias = index_bias;
717    }
718 
719    if (!info->has_user_indices) {
720       PUSH_SPACE(push, 1);
721       IMMED_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL), prim);
722       do {
723          PUSH_SPACE(push, 7);
724          BEGIN_NVC0(push, NVC0_3D(INDEX_BATCH_FIRST), 2);
725          PUSH_DATA (push, start);
726          PUSH_DATA (push, count);
727          if (--instance_count) {
728             BEGIN_NVC0(push, NVC0_3D(VERTEX_END_GL), 2);
729             PUSH_DATA (push, 0);
730             PUSH_DATA (push, prim | NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT);
731          }
732       } while (instance_count);
733       IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0);
734    } else {
735       const void *data = info->index.user;
736 
737       while (instance_count--) {
738          PUSH_SPACE(push, 2);
739          BEGIN_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL), 1);
740          PUSH_DATA (push, prim);
741          switch (index_size) {
742          case 1:
743             nvc0_draw_elements_inline_u08(push, data, start, count);
744             break;
745          case 2:
746             nvc0_draw_elements_inline_u16(push, data, start, count);
747             break;
748          case 4:
749             if (shorten)
750                nvc0_draw_elements_inline_u32_short(push, data, start, count);
751             else
752                nvc0_draw_elements_inline_u32(push, data, start, count);
753             break;
754          default:
755             assert(0);
756             return;
757          }
758          PUSH_SPACE(push, 1);
759          IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0);
760 
761          prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
762       }
763    }
764    NOUVEAU_DRV_STAT(&nvc0->screen->base, draw_calls_indexed, 1);
765 }
766 
767 static void
nvc0_draw_stream_output(struct nvc0_context * nvc0,const struct pipe_draw_info * info)768 nvc0_draw_stream_output(struct nvc0_context *nvc0,
769                         const struct pipe_draw_info *info)
770 {
771    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
772    struct nvc0_so_target *so = nvc0_so_target(info->count_from_stream_output);
773    struct nv04_resource *res = nv04_resource(so->pipe.buffer);
774    unsigned mode = nvc0_prim_gl(info->mode);
775    unsigned num_instances = info->instance_count;
776 
777    if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) {
778       res->status &= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING;
779       PUSH_SPACE(push, 2);
780       IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0);
781       nvc0_hw_query_fifo_wait(nvc0, nvc0_query(so->pq));
782       if (nvc0->screen->eng3d->oclass < GM107_3D_CLASS)
783          IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FLUSH), 0);
784 
785       NOUVEAU_DRV_STAT(&nvc0->screen->base, gpu_serialize_count, 1);
786    }
787 
788    while (num_instances--) {
789       nouveau_pushbuf_space(push, 16, 0, 1);
790       BEGIN_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL), 1);
791       PUSH_DATA (push, mode);
792       BEGIN_NVC0(push, NVC0_3D(DRAW_TFB_BASE), 1);
793       PUSH_DATA (push, 0);
794       BEGIN_NVC0(push, NVC0_3D(DRAW_TFB_STRIDE), 1);
795       PUSH_DATA (push, so->stride);
796       BEGIN_NVC0(push, NVC0_3D(DRAW_TFB_BYTES), 1);
797       nvc0_hw_query_pushbuf_submit(push, nvc0_query(so->pq), 0x4);
798       IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0);
799 
800       mode |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
801    }
802 }
803 
804 static void
nvc0_draw_indirect(struct nvc0_context * nvc0,const struct pipe_draw_info * info)805 nvc0_draw_indirect(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
806 {
807    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
808    struct nv04_resource *buf = nv04_resource(info->indirect->buffer);
809    struct nv04_resource *buf_count = nv04_resource(info->indirect->indirect_draw_count);
810    unsigned size, macro, count = info->indirect->draw_count, drawid = info->drawid;
811    uint32_t offset = buf->offset + info->indirect->offset;
812    struct nvc0_screen *screen = nvc0->screen;
813 
814    PUSH_SPACE(push, 7);
815 
816    /* must make FIFO wait for engines idle before continuing to process */
817    if ((buf->fence_wr && !nouveau_fence_signalled(buf->fence_wr)) ||
818        (buf_count && buf_count->fence_wr &&
819         !nouveau_fence_signalled(buf_count->fence_wr))) {
820       IMMED_NVC0(push, SUBC_3D(NV10_SUBCHAN_REF_CNT), 0);
821    }
822 
823    /* Queue things up to let the macros write params to the driver constbuf */
824    BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
825    PUSH_DATA (push, NVC0_CB_AUX_SIZE);
826    PUSH_DATAh(push, screen->uniform_bo->offset + NVC0_CB_AUX_INFO(0));
827    PUSH_DATA (push, screen->uniform_bo->offset + NVC0_CB_AUX_INFO(0));
828    BEGIN_NVC0(push, NVC0_3D(CB_POS), 1);
829    PUSH_DATA (push, NVC0_CB_AUX_DRAW_INFO);
830 
831    if (info->index_size) {
832       assert(!info->has_user_indices);
833       assert(nouveau_resource_mapped_by_gpu(info->index.resource));
834       size = 5;
835       if (buf_count)
836          macro = NVC0_3D_MACRO_DRAW_ELEMENTS_INDIRECT_COUNT;
837       else
838          macro = NVC0_3D_MACRO_DRAW_ELEMENTS_INDIRECT;
839    } else {
840       if (nvc0->state.index_bias) {
841          /* index_bias is implied 0 if !info->index_size (really ?) */
842          IMMED_NVC0(push, NVC0_3D(VB_ELEMENT_BASE), 0);
843          IMMED_NVC0(push, NVC0_3D(VERTEX_ID_BASE), 0);
844          nvc0->state.index_bias = 0;
845       }
846       size = 4;
847       if (buf_count)
848          macro = NVC0_3D_MACRO_DRAW_ARRAYS_INDIRECT_COUNT;
849       else
850          macro = NVC0_3D_MACRO_DRAW_ARRAYS_INDIRECT;
851    }
852 
853    /* If the stride is not the natural stride, we have to stick a separate
854     * push data reference for each draw. Otherwise it can all go in as one.
855     * Of course there is a maximum packet size, so we have to break things up
856     * along those borders as well.
857     */
858    while (count) {
859       unsigned draws = count, pushes, i;
860       if (info->indirect->stride == size * 4) {
861          draws = MIN2(draws, (NV04_PFIFO_MAX_PACKET_LEN - 4) / size);
862          pushes = 1;
863       } else {
864          draws = MIN2(draws, 32);
865          pushes = draws;
866       }
867 
868       nouveau_pushbuf_space(push, 16, 0, pushes + !!buf_count);
869       PUSH_REFN(push, buf->bo, NOUVEAU_BO_RD | buf->domain);
870       if (buf_count)
871          PUSH_REFN(push, buf_count->bo, NOUVEAU_BO_RD | buf_count->domain);
872       PUSH_DATA(push,
873                 NVC0_FIFO_PKHDR_1I(0, macro, 3 + !!buf_count + draws * size));
874       PUSH_DATA(push, nvc0_prim_gl(info->mode));
875       PUSH_DATA(push, drawid);
876       PUSH_DATA(push, draws);
877       if (buf_count) {
878          nouveau_pushbuf_data(push,
879                               buf_count->bo,
880                               buf_count->offset + info->indirect->indirect_draw_count_offset,
881                               NVC0_IB_ENTRY_1_NO_PREFETCH | 4);
882       }
883       if (pushes == 1) {
884          nouveau_pushbuf_data(push,
885                               buf->bo, offset,
886                               NVC0_IB_ENTRY_1_NO_PREFETCH | (size * 4 * draws));
887          offset += draws * info->indirect->stride;
888       } else {
889          for (i = 0; i < pushes; i++) {
890             nouveau_pushbuf_data(push,
891                                  buf->bo, offset,
892                                  NVC0_IB_ENTRY_1_NO_PREFETCH | (size * 4));
893             offset += info->indirect->stride;
894          }
895       }
896       count -= draws;
897       drawid += draws;
898    }
899 }
900 
901 static inline void
nvc0_update_prim_restart(struct nvc0_context * nvc0,bool en,uint32_t index)902 nvc0_update_prim_restart(struct nvc0_context *nvc0, bool en, uint32_t index)
903 {
904    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
905 
906    if (en != nvc0->state.prim_restart) {
907       if (en) {
908          BEGIN_NVC0(push, NVC0_3D(PRIM_RESTART_ENABLE), 2);
909          PUSH_DATA (push, 1);
910          PUSH_DATA (push, index);
911       } else {
912          IMMED_NVC0(push, NVC0_3D(PRIM_RESTART_ENABLE), 0);
913       }
914       nvc0->state.prim_restart = en;
915    } else
916    if (en) {
917       BEGIN_NVC0(push, NVC0_3D(PRIM_RESTART_INDEX), 1);
918       PUSH_DATA (push, index);
919    }
920 }
921 
922 void
nvc0_draw_vbo(struct pipe_context * pipe,const struct pipe_draw_info * info)923 nvc0_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
924 {
925    struct nvc0_context *nvc0 = nvc0_context(pipe);
926    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
927    struct nvc0_screen *screen = nvc0->screen;
928    unsigned vram_domain = NV_VRAM_DOMAIN(&screen->base);
929    int s;
930 
931    /* NOTE: caller must ensure that (min_index + index_bias) is >= 0 */
932    nvc0->vb_elt_first = info->min_index + info->index_bias;
933    nvc0->vb_elt_limit = info->max_index - info->min_index;
934    nvc0->instance_off = info->start_instance;
935    nvc0->instance_max = info->instance_count - 1;
936 
937    /* For picking only a few vertices from a large user buffer, push is better,
938     * if index count is larger and we expect repeated vertices, suggest upload.
939     */
940    nvc0->vbo_push_hint =
941       !info->indirect && info->index_size &&
942       (nvc0->vb_elt_limit >= (info->count * 2));
943 
944    /* Check whether we want to switch vertex-submission mode. */
945    if (nvc0->vbo_user && !(nvc0->dirty_3d & (NVC0_NEW_3D_ARRAYS | NVC0_NEW_3D_VERTEX))) {
946       if (nvc0->vbo_push_hint != !!nvc0->state.vbo_mode)
947          if (nvc0->state.vbo_mode != 3)
948             nvc0->dirty_3d |= NVC0_NEW_3D_ARRAYS;
949 
950       if (!(nvc0->dirty_3d & NVC0_NEW_3D_ARRAYS) && nvc0->state.vbo_mode == 0) {
951          if (nvc0->vertex->shared_slots)
952             nvc0_update_user_vbufs_shared(nvc0);
953          else
954             nvc0_update_user_vbufs(nvc0);
955       }
956    }
957 
958    if (info->mode == PIPE_PRIM_PATCHES &&
959        nvc0->state.patch_vertices != info->vertices_per_patch) {
960       nvc0->state.patch_vertices = info->vertices_per_patch;
961       PUSH_SPACE(push, 1);
962       IMMED_NVC0(push, NVC0_3D(PATCH_VERTICES), nvc0->state.patch_vertices);
963    }
964 
965    if (info->index_size && !info->has_user_indices) {
966       struct nv04_resource *buf = nv04_resource(info->index.resource);
967 
968       assert(buf);
969       assert(nouveau_resource_mapped_by_gpu(&buf->base));
970 
971       PUSH_SPACE(push, 6);
972       if (nvc0->screen->eng3d->oclass < TU102_3D_CLASS) {
973          BEGIN_NVC0(push, NVC0_3D(INDEX_ARRAY_START_HIGH), 5);
974          PUSH_DATAh(push, buf->address);
975          PUSH_DATA (push, buf->address);
976          PUSH_DATAh(push, buf->address + buf->base.width0 - 1);
977          PUSH_DATA (push, buf->address + buf->base.width0 - 1);
978          PUSH_DATA (push, info->index_size >> 1);
979       } else {
980          BEGIN_NVC0(push, NVC0_3D(INDEX_ARRAY_START_HIGH), 2);
981          PUSH_DATAh(push, buf->address);
982          PUSH_DATA (push, buf->address);
983          BEGIN_NVC0(push, SUBC_3D(TU102_3D_INDEX_ARRAY_LIMIT_HIGH), 2);
984          PUSH_DATAh(push, buf->address + buf->base.width0 - 1);
985          PUSH_DATA (push, buf->address + buf->base.width0 - 1);
986          BEGIN_NVC0(push, NVC0_3D(INDEX_FORMAT), 1);
987          PUSH_DATA (push, info->index_size >> 1);
988       }
989 
990       BCTX_REFN(nvc0->bufctx_3d, 3D_IDX, buf, RD);
991    }
992 
993    list_for_each_entry(struct nvc0_resident, resident, &nvc0->tex_head, list) {
994       nvc0_add_resident(nvc0->bufctx_3d, NVC0_BIND_3D_BINDLESS, resident->buf,
995                         resident->flags);
996    }
997 
998    list_for_each_entry(struct nvc0_resident, resident, &nvc0->img_head, list) {
999       nvc0_add_resident(nvc0->bufctx_3d, NVC0_BIND_3D_BINDLESS, resident->buf,
1000                         resident->flags);
1001    }
1002 
1003    BCTX_REFN_bo(nvc0->bufctx_3d, 3D_TEXT, vram_domain | NOUVEAU_BO_RD,
1004                 screen->text);
1005 
1006    nvc0_state_validate_3d(nvc0, ~0);
1007 
1008    if (nvc0->vertprog->vp.need_draw_parameters && !info->indirect) {
1009       PUSH_SPACE(push, 9);
1010       BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
1011       PUSH_DATA (push, NVC0_CB_AUX_SIZE);
1012       PUSH_DATAh(push, screen->uniform_bo->offset + NVC0_CB_AUX_INFO(0));
1013       PUSH_DATA (push, screen->uniform_bo->offset + NVC0_CB_AUX_INFO(0));
1014       BEGIN_1IC0(push, NVC0_3D(CB_POS), 1 + 3);
1015       PUSH_DATA (push, NVC0_CB_AUX_DRAW_INFO);
1016       PUSH_DATA (push, info->index_bias);
1017       PUSH_DATA (push, info->start_instance);
1018       PUSH_DATA (push, info->drawid);
1019    }
1020 
1021    if (nvc0->screen->base.class_3d < NVE4_3D_CLASS &&
1022        nvc0->seamless_cube_map != nvc0->state.seamless_cube_map) {
1023       nvc0->state.seamless_cube_map = nvc0->seamless_cube_map;
1024       PUSH_SPACE(push, 1);
1025       IMMED_NVC0(push, NVC0_3D(TEX_MISC),
1026                  nvc0->seamless_cube_map ? NVC0_3D_TEX_MISC_SEAMLESS_CUBE_MAP : 0);
1027    }
1028 
1029    push->kick_notify = nvc0_draw_vbo_kick_notify;
1030 
1031    for (s = 0; s < 5 && !nvc0->cb_dirty; ++s) {
1032       if (nvc0->constbuf_coherent[s])
1033          nvc0->cb_dirty = true;
1034    }
1035 
1036    if (nvc0->cb_dirty) {
1037       PUSH_SPACE(push, 1);
1038       IMMED_NVC0(push, NVC0_3D(MEM_BARRIER), 0x1011);
1039       nvc0->cb_dirty = false;
1040    }
1041 
1042    for (s = 0; s < 5; ++s) {
1043       if (!nvc0->textures_coherent[s])
1044          continue;
1045 
1046       PUSH_SPACE(push, nvc0->num_textures[s] * 2);
1047 
1048       for (int i = 0; i < nvc0->num_textures[s]; ++i) {
1049          struct nv50_tic_entry *tic = nv50_tic_entry(nvc0->textures[s][i]);
1050          if (!(nvc0->textures_coherent[s] & (1 << i)))
1051             continue;
1052 
1053          BEGIN_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 1);
1054          PUSH_DATA (push, (tic->id << 4) | 1);
1055          NOUVEAU_DRV_STAT(&nvc0->screen->base, tex_cache_flush_count, 1);
1056       }
1057    }
1058 
1059    if (nvc0->state.vbo_mode) {
1060       if (info->indirect)
1061          nvc0_push_vbo_indirect(nvc0, info);
1062       else
1063          nvc0_push_vbo(nvc0, info);
1064       goto cleanup;
1065    }
1066 
1067    /* space for base instance, flush, and prim restart */
1068    PUSH_SPACE(push, 8);
1069 
1070    if (nvc0->state.instance_base != info->start_instance) {
1071       nvc0->state.instance_base = info->start_instance;
1072       /* NOTE: this does not affect the shader input, should it ? */
1073       BEGIN_NVC0(push, NVC0_3D(VB_INSTANCE_BASE), 1);
1074       PUSH_DATA (push, info->start_instance);
1075    }
1076 
1077    nvc0->base.vbo_dirty |= !!nvc0->vtxbufs_coherent;
1078 
1079    if (!nvc0->base.vbo_dirty && info->index_size && !info->has_user_indices &&
1080        info->index.resource->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT)
1081       nvc0->base.vbo_dirty = true;
1082 
1083    nvc0_update_prim_restart(nvc0, info->primitive_restart, info->restart_index);
1084 
1085    if (nvc0->base.vbo_dirty) {
1086       if (nvc0->screen->eng3d->oclass < GM107_3D_CLASS)
1087          IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FLUSH), 0);
1088       nvc0->base.vbo_dirty = false;
1089    }
1090 
1091    if (unlikely(info->indirect)) {
1092       nvc0_draw_indirect(nvc0, info);
1093    } else
1094    if (unlikely(info->count_from_stream_output)) {
1095       nvc0_draw_stream_output(nvc0, info);
1096    } else
1097    if (info->index_size) {
1098       bool shorten = info->max_index <= 65535;
1099 
1100       if (info->primitive_restart && info->restart_index > 65535)
1101          shorten = false;
1102 
1103       nvc0_draw_elements(nvc0, shorten, info,
1104                          info->mode, info->start, info->count,
1105                          info->instance_count, info->index_bias, info->index_size);
1106    } else {
1107       nvc0_draw_arrays(nvc0,
1108                        info->mode, info->start, info->count,
1109                        info->instance_count);
1110    }
1111 
1112 cleanup:
1113    push->kick_notify = nvc0_default_kick_notify;
1114 
1115    nvc0_release_user_vbufs(nvc0);
1116 
1117    nouveau_pushbuf_bufctx(push, NULL);
1118 
1119    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEXT);
1120    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_IDX);
1121    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_BINDLESS);
1122 }
1123