1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
|
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "nouveau/nouveau_util.h"
#include "nv50_context.h"
struct push_context {
struct nv50_context *nv50;
unsigned vtx_size;
void *idxbuf;
unsigned idxsize;
float edgeflag;
int edgeflag_attr;
struct {
void *map;
unsigned stride;
unsigned divisor;
unsigned step;
void (*push)(struct nouveau_channel *, void *);
} attr[16];
unsigned attr_nr;
};
static void
emit_b32_1(struct nouveau_channel *chan, void *data)
{
uint32_t *v = data;
OUT_RING(chan, v[0]);
}
static void
emit_b32_2(struct nouveau_channel *chan, void *data)
{
uint32_t *v = data;
OUT_RING(chan, v[0]);
OUT_RING(chan, v[1]);
}
static void
emit_b32_3(struct nouveau_channel *chan, void *data)
{
uint32_t *v = data;
OUT_RING(chan, v[0]);
OUT_RING(chan, v[1]);
OUT_RING(chan, v[2]);
}
static void
emit_b32_4(struct nouveau_channel *chan, void *data)
{
uint32_t *v = data;
OUT_RING(chan, v[0]);
OUT_RING(chan, v[1]);
OUT_RING(chan, v[2]);
OUT_RING(chan, v[3]);
}
static void
emit_b16_1(struct nouveau_channel *chan, void *data)
{
uint16_t *v = data;
OUT_RING(chan, v[0]);
}
static void
emit_b16_3(struct nouveau_channel *chan, void *data)
{
uint16_t *v = data;
OUT_RING(chan, (v[1] << 16) | v[0]);
OUT_RING(chan, v[2]);
}
static void
emit_b08_1(struct nouveau_channel *chan, void *data)
{
uint8_t *v = data;
OUT_RING(chan, v[0]);
}
static void
emit_b08_3(struct nouveau_channel *chan, void *data)
{
uint8_t *v = data;
OUT_RING(chan, (v[2] << 16) | (v[1] << 8) | v[0]);
}
static INLINE void
emit_vertex(struct push_context *ctx, unsigned n)
{
struct nouveau_grobj *tesla = ctx->nv50->screen->tesla;
struct nouveau_channel *chan = tesla->channel;
int i;
if (ctx->edgeflag_attr < 16) {
float *edgeflag = ctx->attr[ctx->edgeflag_attr].map +
ctx->attr[ctx->edgeflag_attr].stride * n;
if (*edgeflag != ctx->edgeflag) {
BEGIN_RING(chan, tesla, NV50TCL_EDGEFLAG_ENABLE, 1);
OUT_RING (chan, *edgeflag ? 1 : 0);
ctx->edgeflag = *edgeflag;
}
}
BEGIN_RING_NI(chan, tesla, NV50TCL_VERTEX_DATA, ctx->vtx_size);
for (i = 0; i < ctx->attr_nr; i++)
ctx->attr[i].push(chan, ctx->attr[i].map + ctx->attr[i].stride * n);
}
static void
emit_edgeflag(void *priv, boolean enabled)
{
struct push_context *ctx = priv;
struct nouveau_grobj *tesla = ctx->nv50->screen->tesla;
struct nouveau_channel *chan = tesla->channel;
BEGIN_RING(chan, tesla, NV50TCL_EDGEFLAG_ENABLE, 1);
OUT_RING (chan, enabled ? 1 : 0);
}
static void
emit_elt08(void *priv, unsigned start, unsigned count)
{
struct push_context *ctx = priv;
uint8_t *idxbuf = ctx->idxbuf;
while (count--)
emit_vertex(ctx, idxbuf[start++]);
}
static void
emit_elt16(void *priv, unsigned start, unsigned count)
{
struct push_context *ctx = priv;
uint16_t *idxbuf = ctx->idxbuf;
while (count--)
emit_vertex(ctx, idxbuf[start++]);
}
static void
emit_elt32(void *priv, unsigned start, unsigned count)
{
struct push_context *ctx = priv;
uint32_t *idxbuf = ctx->idxbuf;
while (count--)
emit_vertex(ctx, idxbuf[start++]);
}
static void
emit_verts(void *priv, unsigned start, unsigned count)
{
while (count--)
emit_vertex(priv, start++);
}
void
nv50_push_elements_instanced(struct pipe_context *pipe,
struct pipe_buffer *idxbuf, unsigned idxsize,
unsigned mode, unsigned start, unsigned count,
unsigned i_start, unsigned i_count)
{
struct nv50_context *nv50 = nv50_context(pipe);
struct nouveau_grobj *tesla = nv50->screen->tesla;
struct nouveau_channel *chan = tesla->channel;
struct push_context ctx;
const unsigned p_overhead = 4 + /* begin/end */
4; /* potential edgeflag enable/disable */
const unsigned v_overhead = 1 + /* VERTEX_DATA packet header */
2; /* potential edgeflag modification */
struct u_split_prim s;
unsigned vtx_size;
boolean nzi = FALSE;
int i;
ctx.nv50 = nv50;
ctx.attr_nr = 0;
ctx.idxbuf = NULL;
ctx.vtx_size = 0;
ctx.edgeflag = 0.5f;
ctx.edgeflag_attr = nv50->vertprog->cfg.edgeflag_in;
/* map vertex buffers, determine vertex size */
for (i = 0; i < nv50->vtxelt->num_elements; i++) {
struct pipe_vertex_element *ve = &nv50->vtxelt->pipe[i];
struct pipe_vertex_buffer *vb = &nv50->vtxbuf[ve->vertex_buffer_index];
struct nouveau_bo *bo = nouveau_bo(vb->buffer);
unsigned size, nr_components, n;
if (!(nv50->vbo_fifo & (1 << i)))
continue;
n = ctx.attr_nr++;
if (nouveau_bo_map(bo, NOUVEAU_BO_RD)) {
assert(bo->map);
return;
}
ctx.attr[n].map = bo->map + vb->buffer_offset + ve->src_offset;
nouveau_bo_unmap(bo);
ctx.attr[n].stride = vb->stride;
ctx.attr[n].divisor = ve->instance_divisor;
if (ctx.attr[n].divisor) {
ctx.attr[n].step = i_start % ve->instance_divisor;
ctx.attr[n].map += i_start * vb->stride;
}
size = util_format_get_component_bits(ve->src_format,
UTIL_FORMAT_COLORSPACE_RGB, 0);
nr_components = util_format_get_nr_components(ve->src_format);
switch (size) {
case 8:
switch (nr_components) {
case 1: ctx.attr[n].push = emit_b08_1; break;
case 2: ctx.attr[n].push = emit_b16_1; break;
case 3: ctx.attr[n].push = emit_b08_3; break;
case 4: ctx.attr[n].push = emit_b32_1; break;
}
ctx.vtx_size++;
break;
case 16:
switch (nr_components) {
case 1: ctx.attr[n].push = emit_b16_1; break;
case 2: ctx.attr[n].push = emit_b32_1; break;
case 3: ctx.attr[n].push = emit_b16_3; break;
case 4: ctx.attr[n].push = emit_b32_2; break;
}
ctx.vtx_size += (nr_components + 1) >> 1;
break;
case 32:
switch (nr_components) {
case 1: ctx.attr[n].push = emit_b32_1; break;
case 2: ctx.attr[n].push = emit_b32_2; break;
case 3: ctx.attr[n].push = emit_b32_3; break;
case 4: ctx.attr[n].push = emit_b32_4; break;
}
ctx.vtx_size += nr_components;
break;
default:
assert(0);
return;
}
}
vtx_size = ctx.vtx_size + v_overhead;
/* map index buffer, if present */
if (idxbuf) {
struct nouveau_bo *bo = nouveau_bo(idxbuf);
if (nouveau_bo_map(bo, NOUVEAU_BO_RD)) {
assert(bo->map);
return;
}
ctx.idxbuf = bo->map;
ctx.idxsize = idxsize;
nouveau_bo_unmap(bo);
}
s.priv = &ctx;
s.edge = emit_edgeflag;
if (idxbuf) {
if (idxsize == 1)
s.emit = emit_elt08;
else
if (idxsize == 2)
s.emit = emit_elt16;
else
s.emit = emit_elt32;
} else
s.emit = emit_verts;
/* per-instance loop */
BEGIN_RING(chan, tesla, NV50TCL_CB_ADDR, 2);
OUT_RING (chan, NV50_CB_AUX | (24 << 8));
OUT_RING (chan, i_start);
while (i_count--) {
unsigned max_verts;
boolean done;
for (i = 0; i < ctx.attr_nr; i++) {
if (!ctx.attr[i].divisor ||
ctx.attr[i].divisor != ++ctx.attr[i].step)
continue;
ctx.attr[i].step = 0;
ctx.attr[i].map += ctx.attr[i].stride;
}
u_split_prim_init(&s, mode, start, count);
do {
if (AVAIL_RING(chan) < p_overhead + (6 * vtx_size)) {
FIRE_RING(chan);
if (!nv50_state_validate(nv50, p_overhead + (6 * vtx_size))) {
assert(0);
return;
}
}
max_verts = AVAIL_RING(chan);
max_verts -= p_overhead;
max_verts /= vtx_size;
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1);
OUT_RING (chan, nv50_prim(s.mode) | (nzi ? (1 << 28) : 0));
done = u_split_prim_next(&s, max_verts);
BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1);
OUT_RING (chan, 0);
} while (!done);
nzi = TRUE;
}
}
|
