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gallium: change comments to remove 'state tracker'
[mesa.git] / src / gallium / drivers / v3d / v3dx_state.c
1 /*
2 * Copyright © 2014-2017 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #include "pipe/p_state.h"
26 #include "util/format/u_format.h"
27 #include "util/u_framebuffer.h"
28 #include "util/u_inlines.h"
29 #include "util/u_math.h"
30 #include "util/u_memory.h"
31 #include "util/u_half.h"
32 #include "util/u_helpers.h"
33 #include "util/u_upload_mgr.h"
34
35 #include "v3d_context.h"
36 #include "v3d_tiling.h"
37 #include "broadcom/common/v3d_macros.h"
38 #include "broadcom/compiler/v3d_compiler.h"
39 #include "broadcom/cle/v3dx_pack.h"
40
41 static void
42 v3d_generic_cso_state_delete(struct pipe_context *pctx, void *hwcso)
43 {
44 free(hwcso);
45 }
46
47 static void
48 v3d_set_blend_color(struct pipe_context *pctx,
49 const struct pipe_blend_color *blend_color)
50 {
51 struct v3d_context *v3d = v3d_context(pctx);
52 v3d->blend_color.f = *blend_color;
53 for (int i = 0; i < 4; i++) {
54 v3d->blend_color.hf[i] =
55 util_float_to_half(blend_color->color[i]);
56 }
57 v3d->dirty |= VC5_DIRTY_BLEND_COLOR;
58 }
59
60 static void
61 v3d_set_stencil_ref(struct pipe_context *pctx,
62 const struct pipe_stencil_ref *stencil_ref)
63 {
64 struct v3d_context *v3d = v3d_context(pctx);
65 v3d->stencil_ref = *stencil_ref;
66 v3d->dirty |= VC5_DIRTY_STENCIL_REF;
67 }
68
69 static void
70 v3d_set_clip_state(struct pipe_context *pctx,
71 const struct pipe_clip_state *clip)
72 {
73 struct v3d_context *v3d = v3d_context(pctx);
74 v3d->clip = *clip;
75 v3d->dirty |= VC5_DIRTY_CLIP;
76 }
77
78 static void
79 v3d_set_sample_mask(struct pipe_context *pctx, unsigned sample_mask)
80 {
81 struct v3d_context *v3d = v3d_context(pctx);
82 v3d->sample_mask = sample_mask & ((1 << V3D_MAX_SAMPLES) - 1);
83 v3d->dirty |= VC5_DIRTY_SAMPLE_STATE;
84 }
85
86 static void *
87 v3d_create_rasterizer_state(struct pipe_context *pctx,
88 const struct pipe_rasterizer_state *cso)
89 {
90 struct v3d_rasterizer_state *so;
91
92 so = CALLOC_STRUCT(v3d_rasterizer_state);
93 if (!so)
94 return NULL;
95
96 so->base = *cso;
97
98 /* Workaround: HW-2726 PTB does not handle zero-size points (BCM2835,
99 * BCM21553).
100 */
101 so->point_size = MAX2(cso->point_size, .125f);
102
103 STATIC_ASSERT(sizeof(so->depth_offset) >=
104 cl_packet_length(DEPTH_OFFSET));
105 v3dx_pack(&so->depth_offset, DEPTH_OFFSET, depth) {
106 depth.depth_offset_factor = cso->offset_scale;
107 depth.depth_offset_units = cso->offset_units;
108 }
109
110 /* The HW treats polygon offset units based on a Z24 buffer, so we
111 * need to scale up offset_units if we're only Z16.
112 */
113 v3dx_pack(&so->depth_offset_z16, DEPTH_OFFSET, depth) {
114 depth.depth_offset_factor = cso->offset_scale;
115 depth.depth_offset_units = cso->offset_units * 256.0;
116 }
117
118 return so;
119 }
120
121 /* Blend state is baked into shaders. */
122 static void *
123 v3d_create_blend_state(struct pipe_context *pctx,
124 const struct pipe_blend_state *cso)
125 {
126 struct v3d_blend_state *so;
127
128 so = CALLOC_STRUCT(v3d_blend_state);
129 if (!so)
130 return NULL;
131
132 so->base = *cso;
133
134 if (cso->independent_blend_enable) {
135 for (int i = 0; i < V3D_MAX_DRAW_BUFFERS; i++) {
136 so->blend_enables |= cso->rt[i].blend_enable << i;
137
138 /* V3D 4.x is when we got independent blend enables. */
139 assert(V3D_VERSION >= 40 ||
140 cso->rt[i].blend_enable == cso->rt[0].blend_enable);
141 }
142 } else {
143 if (cso->rt[0].blend_enable)
144 so->blend_enables = (1 << V3D_MAX_DRAW_BUFFERS) - 1;
145 }
146
147 return so;
148 }
149
150 static uint32_t
151 translate_stencil_op(enum pipe_stencil_op op)
152 {
153 switch (op) {
154 case PIPE_STENCIL_OP_KEEP: return V3D_STENCIL_OP_KEEP;
155 case PIPE_STENCIL_OP_ZERO: return V3D_STENCIL_OP_ZERO;
156 case PIPE_STENCIL_OP_REPLACE: return V3D_STENCIL_OP_REPLACE;
157 case PIPE_STENCIL_OP_INCR: return V3D_STENCIL_OP_INCR;
158 case PIPE_STENCIL_OP_DECR: return V3D_STENCIL_OP_DECR;
159 case PIPE_STENCIL_OP_INCR_WRAP: return V3D_STENCIL_OP_INCWRAP;
160 case PIPE_STENCIL_OP_DECR_WRAP: return V3D_STENCIL_OP_DECWRAP;
161 case PIPE_STENCIL_OP_INVERT: return V3D_STENCIL_OP_INVERT;
162 }
163 unreachable("bad stencil op");
164 }
165
166 static void *
167 v3d_create_depth_stencil_alpha_state(struct pipe_context *pctx,
168 const struct pipe_depth_stencil_alpha_state *cso)
169 {
170 struct v3d_depth_stencil_alpha_state *so;
171
172 so = CALLOC_STRUCT(v3d_depth_stencil_alpha_state);
173 if (!so)
174 return NULL;
175
176 so->base = *cso;
177
178 if (cso->depth.enabled) {
179 switch (cso->depth.func) {
180 case PIPE_FUNC_LESS:
181 case PIPE_FUNC_LEQUAL:
182 so->ez_state = VC5_EZ_LT_LE;
183 break;
184 case PIPE_FUNC_GREATER:
185 case PIPE_FUNC_GEQUAL:
186 so->ez_state = VC5_EZ_GT_GE;
187 break;
188 case PIPE_FUNC_NEVER:
189 case PIPE_FUNC_EQUAL:
190 so->ez_state = VC5_EZ_UNDECIDED;
191 break;
192 default:
193 so->ez_state = VC5_EZ_DISABLED;
194 break;
195 }
196
197 /* If stencil is enabled and it's not a no-op, then it would
198 * break EZ updates.
199 */
200 if (cso->stencil[0].enabled &&
201 (cso->stencil[0].zfail_op != PIPE_STENCIL_OP_KEEP ||
202 cso->stencil[0].func != PIPE_FUNC_ALWAYS ||
203 (cso->stencil[1].enabled &&
204 (cso->stencil[1].zfail_op != PIPE_STENCIL_OP_KEEP &&
205 cso->stencil[1].func != PIPE_FUNC_ALWAYS)))) {
206 so->ez_state = VC5_EZ_DISABLED;
207 }
208 }
209
210 const struct pipe_stencil_state *front = &cso->stencil[0];
211 const struct pipe_stencil_state *back = &cso->stencil[1];
212
213 if (front->enabled) {
214 STATIC_ASSERT(sizeof(so->stencil_front) >=
215 cl_packet_length(STENCIL_CFG));
216 v3dx_pack(&so->stencil_front, STENCIL_CFG, config) {
217 config.front_config = true;
218 /* If !back->enabled, then the front values should be
219 * used for both front and back-facing primitives.
220 */
221 config.back_config = !back->enabled;
222
223 config.stencil_write_mask = front->writemask;
224 config.stencil_test_mask = front->valuemask;
225
226 config.stencil_test_function = front->func;
227 config.stencil_pass_op =
228 translate_stencil_op(front->zpass_op);
229 config.depth_test_fail_op =
230 translate_stencil_op(front->zfail_op);
231 config.stencil_test_fail_op =
232 translate_stencil_op(front->fail_op);
233 }
234 }
235 if (back->enabled) {
236 STATIC_ASSERT(sizeof(so->stencil_back) >=
237 cl_packet_length(STENCIL_CFG));
238 v3dx_pack(&so->stencil_back, STENCIL_CFG, config) {
239 config.front_config = false;
240 config.back_config = true;
241
242 config.stencil_write_mask = back->writemask;
243 config.stencil_test_mask = back->valuemask;
244
245 config.stencil_test_function = back->func;
246 config.stencil_pass_op =
247 translate_stencil_op(back->zpass_op);
248 config.depth_test_fail_op =
249 translate_stencil_op(back->zfail_op);
250 config.stencil_test_fail_op =
251 translate_stencil_op(back->fail_op);
252 }
253 }
254
255 return so;
256 }
257
258 static void
259 v3d_set_polygon_stipple(struct pipe_context *pctx,
260 const struct pipe_poly_stipple *stipple)
261 {
262 struct v3d_context *v3d = v3d_context(pctx);
263 v3d->stipple = *stipple;
264 v3d->dirty |= VC5_DIRTY_STIPPLE;
265 }
266
267 static void
268 v3d_set_scissor_states(struct pipe_context *pctx,
269 unsigned start_slot,
270 unsigned num_scissors,
271 const struct pipe_scissor_state *scissor)
272 {
273 struct v3d_context *v3d = v3d_context(pctx);
274
275 v3d->scissor = *scissor;
276 v3d->dirty |= VC5_DIRTY_SCISSOR;
277 }
278
279 static void
280 v3d_set_viewport_states(struct pipe_context *pctx,
281 unsigned start_slot,
282 unsigned num_viewports,
283 const struct pipe_viewport_state *viewport)
284 {
285 struct v3d_context *v3d = v3d_context(pctx);
286 v3d->viewport = *viewport;
287 v3d->dirty |= VC5_DIRTY_VIEWPORT;
288 }
289
290 static void
291 v3d_set_vertex_buffers(struct pipe_context *pctx,
292 unsigned start_slot, unsigned count,
293 const struct pipe_vertex_buffer *vb)
294 {
295 struct v3d_context *v3d = v3d_context(pctx);
296 struct v3d_vertexbuf_stateobj *so = &v3d->vertexbuf;
297
298 util_set_vertex_buffers_mask(so->vb, &so->enabled_mask, vb,
299 start_slot, count);
300 so->count = util_last_bit(so->enabled_mask);
301
302 v3d->dirty |= VC5_DIRTY_VTXBUF;
303 }
304
305 static void
306 v3d_blend_state_bind(struct pipe_context *pctx, void *hwcso)
307 {
308 struct v3d_context *v3d = v3d_context(pctx);
309 v3d->blend = hwcso;
310 v3d->dirty |= VC5_DIRTY_BLEND;
311 }
312
313 static void
314 v3d_rasterizer_state_bind(struct pipe_context *pctx, void *hwcso)
315 {
316 struct v3d_context *v3d = v3d_context(pctx);
317 v3d->rasterizer = hwcso;
318 v3d->dirty |= VC5_DIRTY_RASTERIZER;
319 }
320
321 static void
322 v3d_zsa_state_bind(struct pipe_context *pctx, void *hwcso)
323 {
324 struct v3d_context *v3d = v3d_context(pctx);
325 v3d->zsa = hwcso;
326 v3d->dirty |= VC5_DIRTY_ZSA;
327 }
328
329 static void *
330 v3d_vertex_state_create(struct pipe_context *pctx, unsigned num_elements,
331 const struct pipe_vertex_element *elements)
332 {
333 struct v3d_context *v3d = v3d_context(pctx);
334 struct v3d_vertex_stateobj *so = CALLOC_STRUCT(v3d_vertex_stateobj);
335
336 if (!so)
337 return NULL;
338
339 memcpy(so->pipe, elements, sizeof(*elements) * num_elements);
340 so->num_elements = num_elements;
341
342 for (int i = 0; i < so->num_elements; i++) {
343 const struct pipe_vertex_element *elem = &elements[i];
344 const struct util_format_description *desc =
345 util_format_description(elem->src_format);
346 uint32_t r_size = desc->channel[0].size;
347
348 const uint32_t size =
349 cl_packet_length(GL_SHADER_STATE_ATTRIBUTE_RECORD);
350
351 v3dx_pack(&so->attrs[i * size],
352 GL_SHADER_STATE_ATTRIBUTE_RECORD, attr) {
353 /* vec_size == 0 means 4 */
354 attr.vec_size = desc->nr_channels & 3;
355 attr.signed_int_type = (desc->channel[0].type ==
356 UTIL_FORMAT_TYPE_SIGNED);
357
358 attr.normalized_int_type = desc->channel[0].normalized;
359 attr.read_as_int_uint = desc->channel[0].pure_integer;
360 attr.instance_divisor = MIN2(elem->instance_divisor,
361 0xffff);
362
363 switch (desc->channel[0].type) {
364 case UTIL_FORMAT_TYPE_FLOAT:
365 if (r_size == 32) {
366 attr.type = ATTRIBUTE_FLOAT;
367 } else {
368 assert(r_size == 16);
369 attr.type = ATTRIBUTE_HALF_FLOAT;
370 }
371 break;
372
373 case UTIL_FORMAT_TYPE_SIGNED:
374 case UTIL_FORMAT_TYPE_UNSIGNED:
375 switch (r_size) {
376 case 32:
377 attr.type = ATTRIBUTE_INT;
378 break;
379 case 16:
380 attr.type = ATTRIBUTE_SHORT;
381 break;
382 case 10:
383 attr.type = ATTRIBUTE_INT2_10_10_10;
384 break;
385 case 8:
386 attr.type = ATTRIBUTE_BYTE;
387 break;
388 default:
389 fprintf(stderr,
390 "format %s unsupported\n",
391 desc->name);
392 attr.type = ATTRIBUTE_BYTE;
393 abort();
394 }
395 break;
396
397 default:
398 fprintf(stderr,
399 "format %s unsupported\n",
400 desc->name);
401 abort();
402 }
403 }
404 }
405
406 /* Set up the default attribute values in case any of the vertex
407 * elements use them.
408 */
409 uint32_t *attrs;
410 u_upload_alloc(v3d->state_uploader, 0,
411 V3D_MAX_VS_INPUTS * sizeof(float), 16,
412 &so->defaults_offset, &so->defaults, (void **)&attrs);
413
414 for (int i = 0; i < V3D_MAX_VS_INPUTS / 4; i++) {
415 attrs[i * 4 + 0] = 0;
416 attrs[i * 4 + 1] = 0;
417 attrs[i * 4 + 2] = 0;
418 if (i < so->num_elements &&
419 util_format_is_pure_integer(so->pipe[i].src_format)) {
420 attrs[i * 4 + 3] = 1;
421 } else {
422 attrs[i * 4 + 3] = fui(1.0);
423 }
424 }
425
426 u_upload_unmap(v3d->state_uploader);
427 return so;
428 }
429
430 static void
431 v3d_vertex_state_delete(struct pipe_context *pctx, void *hwcso)
432 {
433 struct v3d_vertex_stateobj *so = hwcso;
434
435 pipe_resource_reference(&so->defaults, NULL);
436 free(so);
437 }
438
439 static void
440 v3d_vertex_state_bind(struct pipe_context *pctx, void *hwcso)
441 {
442 struct v3d_context *v3d = v3d_context(pctx);
443 v3d->vtx = hwcso;
444 v3d->dirty |= VC5_DIRTY_VTXSTATE;
445 }
446
447 static void
448 v3d_set_constant_buffer(struct pipe_context *pctx, uint shader, uint index,
449 const struct pipe_constant_buffer *cb)
450 {
451 struct v3d_context *v3d = v3d_context(pctx);
452 struct v3d_constbuf_stateobj *so = &v3d->constbuf[shader];
453
454 util_copy_constant_buffer(&so->cb[index], cb);
455
456 /* Note that the gallium frontend can unbind constant buffers by
457 * passing NULL here.
458 */
459 if (unlikely(!cb)) {
460 so->enabled_mask &= ~(1 << index);
461 so->dirty_mask &= ~(1 << index);
462 return;
463 }
464
465 so->enabled_mask |= 1 << index;
466 so->dirty_mask |= 1 << index;
467 v3d->dirty |= VC5_DIRTY_CONSTBUF;
468 }
469
470 static void
471 v3d_set_framebuffer_state(struct pipe_context *pctx,
472 const struct pipe_framebuffer_state *framebuffer)
473 {
474 struct v3d_context *v3d = v3d_context(pctx);
475 struct pipe_framebuffer_state *cso = &v3d->framebuffer;
476
477 v3d->job = NULL;
478
479 util_copy_framebuffer_state(cso, framebuffer);
480
481 v3d->swap_color_rb = 0;
482 v3d->blend_dst_alpha_one = 0;
483 for (int i = 0; i < v3d->framebuffer.nr_cbufs; i++) {
484 struct pipe_surface *cbuf = v3d->framebuffer.cbufs[i];
485 if (!cbuf)
486 continue;
487 struct v3d_surface *v3d_cbuf = v3d_surface(cbuf);
488
489 const struct util_format_description *desc =
490 util_format_description(cbuf->format);
491
492 /* For BGRA8 formats (DRI window system default format), we
493 * need to swap R and B, since the HW's format is RGBA8. On
494 * V3D 4.1+, the RCL can swap R and B on load/store.
495 */
496 if (v3d->screen->devinfo.ver < 41 && v3d_cbuf->swap_rb)
497 v3d->swap_color_rb |= 1 << i;
498
499 if (desc->swizzle[3] == PIPE_SWIZZLE_1)
500 v3d->blend_dst_alpha_one |= 1 << i;
501 }
502
503 v3d->dirty |= VC5_DIRTY_FRAMEBUFFER;
504 }
505
506 static enum V3DX(Wrap_Mode)
507 translate_wrap(uint32_t pipe_wrap, bool using_nearest)
508 {
509 switch (pipe_wrap) {
510 case PIPE_TEX_WRAP_REPEAT:
511 return V3D_WRAP_MODE_REPEAT;
512 case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
513 return V3D_WRAP_MODE_CLAMP;
514 case PIPE_TEX_WRAP_MIRROR_REPEAT:
515 return V3D_WRAP_MODE_MIRROR;
516 case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
517 return V3D_WRAP_MODE_BORDER;
518 case PIPE_TEX_WRAP_CLAMP:
519 return (using_nearest ?
520 V3D_WRAP_MODE_CLAMP :
521 V3D_WRAP_MODE_BORDER);
522 default:
523 unreachable("Unknown wrap mode");
524 }
525 }
526
527 #if V3D_VERSION >= 40
528 static void
529 v3d_upload_sampler_state_variant(void *map,
530 const struct pipe_sampler_state *cso,
531 enum v3d_sampler_state_variant variant,
532 bool either_nearest)
533 {
534 v3dx_pack(map, SAMPLER_STATE, sampler) {
535 sampler.wrap_i_border = false;
536
537 sampler.wrap_s = translate_wrap(cso->wrap_s, either_nearest);
538 sampler.wrap_t = translate_wrap(cso->wrap_t, either_nearest);
539 sampler.wrap_r = translate_wrap(cso->wrap_r, either_nearest);
540
541 sampler.fixed_bias = cso->lod_bias;
542 sampler.depth_compare_function = cso->compare_func;
543
544 sampler.min_filter_nearest =
545 cso->min_img_filter == PIPE_TEX_FILTER_NEAREST;
546 sampler.mag_filter_nearest =
547 cso->mag_img_filter == PIPE_TEX_FILTER_NEAREST;
548 sampler.mip_filter_nearest =
549 cso->min_mip_filter != PIPE_TEX_MIPFILTER_LINEAR;
550
551 sampler.min_level_of_detail = MIN2(MAX2(0, cso->min_lod),
552 15);
553 sampler.max_level_of_detail = MIN2(cso->max_lod, 15);
554
555 /* If we're not doing inter-miplevel filtering, we need to
556 * clamp the LOD so that we only sample from baselevel.
557 * However, we need to still allow the calculated LOD to be
558 * fractionally over the baselevel, so that the HW can decide
559 * between the min and mag filters.
560 */
561 if (cso->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) {
562 sampler.min_level_of_detail =
563 MIN2(sampler.min_level_of_detail, 1.0 / 256.0);
564 sampler.max_level_of_detail =
565 MIN2(sampler.max_level_of_detail, 1.0 / 256.0);
566 }
567
568 if (cso->max_anisotropy) {
569 sampler.anisotropy_enable = true;
570
571 if (cso->max_anisotropy > 8)
572 sampler.maximum_anisotropy = 3;
573 else if (cso->max_anisotropy > 4)
574 sampler.maximum_anisotropy = 2;
575 else if (cso->max_anisotropy > 2)
576 sampler.maximum_anisotropy = 1;
577 }
578
579 if (variant == V3D_SAMPLER_STATE_BORDER_0) {
580 sampler.border_color_mode = V3D_BORDER_COLOR_0000;
581 } else {
582 sampler.border_color_mode = V3D_BORDER_COLOR_FOLLOWS;
583
584 union pipe_color_union border;
585
586 /* First, reswizzle the border color for any
587 * mismatching we're doing between the texture's
588 * channel order in hardware (R) versus what it is at
589 * the GL level (ALPHA)
590 */
591 switch (variant) {
592 case V3D_SAMPLER_STATE_F16_BGRA:
593 case V3D_SAMPLER_STATE_F16_BGRA_UNORM:
594 case V3D_SAMPLER_STATE_F16_BGRA_SNORM:
595 border.i[0] = cso->border_color.i[2];
596 border.i[1] = cso->border_color.i[1];
597 border.i[2] = cso->border_color.i[0];
598 border.i[3] = cso->border_color.i[3];
599 break;
600
601 case V3D_SAMPLER_STATE_F16_A:
602 case V3D_SAMPLER_STATE_F16_A_UNORM:
603 case V3D_SAMPLER_STATE_F16_A_SNORM:
604 case V3D_SAMPLER_STATE_32_A:
605 case V3D_SAMPLER_STATE_32_A_UNORM:
606 case V3D_SAMPLER_STATE_32_A_SNORM:
607 border.i[0] = cso->border_color.i[3];
608 border.i[1] = 0;
609 border.i[2] = 0;
610 border.i[3] = 0;
611 break;
612
613 case V3D_SAMPLER_STATE_F16_LA:
614 case V3D_SAMPLER_STATE_F16_LA_UNORM:
615 case V3D_SAMPLER_STATE_F16_LA_SNORM:
616 border.i[0] = cso->border_color.i[0];
617 border.i[1] = cso->border_color.i[3];
618 border.i[2] = 0;
619 border.i[3] = 0;
620 break;
621
622 default:
623 border = cso->border_color;
624 }
625
626 /* Perform any clamping. */
627 switch (variant) {
628 case V3D_SAMPLER_STATE_F16_UNORM:
629 case V3D_SAMPLER_STATE_F16_BGRA_UNORM:
630 case V3D_SAMPLER_STATE_F16_A_UNORM:
631 case V3D_SAMPLER_STATE_F16_LA_UNORM:
632 case V3D_SAMPLER_STATE_32_UNORM:
633 case V3D_SAMPLER_STATE_32_A_UNORM:
634 for (int i = 0; i < 4; i++)
635 border.f[i] = CLAMP(border.f[i], 0, 1);
636 break;
637
638 case V3D_SAMPLER_STATE_F16_SNORM:
639 case V3D_SAMPLER_STATE_F16_BGRA_SNORM:
640 case V3D_SAMPLER_STATE_F16_A_SNORM:
641 case V3D_SAMPLER_STATE_F16_LA_SNORM:
642 case V3D_SAMPLER_STATE_32_SNORM:
643 case V3D_SAMPLER_STATE_32_A_SNORM:
644 for (int i = 0; i < 4; i++)
645 border.f[i] = CLAMP(border.f[i], -1, 1);
646 break;
647
648 case V3D_SAMPLER_STATE_1010102U:
649 border.ui[0] = CLAMP(border.ui[0],
650 0, (1 << 10) - 1);
651 border.ui[1] = CLAMP(border.ui[1],
652 0, (1 << 10) - 1);
653 border.ui[2] = CLAMP(border.ui[2],
654 0, (1 << 10) - 1);
655 border.ui[3] = CLAMP(border.ui[3],
656 0, 3);
657 break;
658
659 case V3D_SAMPLER_STATE_16U:
660 for (int i = 0; i < 4; i++)
661 border.ui[i] = CLAMP(border.ui[i],
662 0, 0xffff);
663 break;
664
665 case V3D_SAMPLER_STATE_16I:
666 for (int i = 0; i < 4; i++)
667 border.i[i] = CLAMP(border.i[i],
668 -32768, 32767);
669 break;
670
671 case V3D_SAMPLER_STATE_8U:
672 for (int i = 0; i < 4; i++)
673 border.ui[i] = CLAMP(border.ui[i],
674 0, 0xff);
675 break;
676
677 case V3D_SAMPLER_STATE_8I:
678 for (int i = 0; i < 4; i++)
679 border.i[i] = CLAMP(border.i[i],
680 -128, 127);
681 break;
682
683 default:
684 break;
685 }
686
687 if (variant >= V3D_SAMPLER_STATE_32) {
688 sampler.border_color_word_0 = border.ui[0];
689 sampler.border_color_word_1 = border.ui[1];
690 sampler.border_color_word_2 = border.ui[2];
691 sampler.border_color_word_3 = border.ui[3];
692 } else {
693 sampler.border_color_word_0 =
694 util_float_to_half(border.f[0]);
695 sampler.border_color_word_1 =
696 util_float_to_half(border.f[1]);
697 sampler.border_color_word_2 =
698 util_float_to_half(border.f[2]);
699 sampler.border_color_word_3 =
700 util_float_to_half(border.f[3]);
701 }
702 }
703 }
704 }
705 #endif
706
707 static void *
708 v3d_create_sampler_state(struct pipe_context *pctx,
709 const struct pipe_sampler_state *cso)
710 {
711 UNUSED struct v3d_context *v3d = v3d_context(pctx);
712 struct v3d_sampler_state *so = CALLOC_STRUCT(v3d_sampler_state);
713
714 if (!so)
715 return NULL;
716
717 memcpy(so, cso, sizeof(*cso));
718
719 bool either_nearest =
720 (cso->mag_img_filter == PIPE_TEX_MIPFILTER_NEAREST ||
721 cso->min_img_filter == PIPE_TEX_MIPFILTER_NEAREST);
722
723 enum V3DX(Wrap_Mode) wrap_s = translate_wrap(cso->wrap_s,
724 either_nearest);
725 enum V3DX(Wrap_Mode) wrap_t = translate_wrap(cso->wrap_t,
726 either_nearest);
727 enum V3DX(Wrap_Mode) wrap_r = translate_wrap(cso->wrap_r,
728 either_nearest);
729
730 bool uses_border_color = (wrap_s == V3D_WRAP_MODE_BORDER ||
731 wrap_t == V3D_WRAP_MODE_BORDER ||
732 wrap_r == V3D_WRAP_MODE_BORDER);
733 so->border_color_variants = (uses_border_color &&
734 (cso->border_color.ui[0] != 0 ||
735 cso->border_color.ui[1] != 0 ||
736 cso->border_color.ui[2] != 0 ||
737 cso->border_color.ui[3] != 0));
738
739 #if V3D_VERSION >= 40
740 void *map;
741 int sampler_align = so->border_color_variants ? 32 : 8;
742 int sampler_size = align(cl_packet_length(SAMPLER_STATE), sampler_align);
743 int num_variants = (so->border_color_variants ? ARRAY_SIZE(so->sampler_state_offset) : 1);
744 u_upload_alloc(v3d->state_uploader, 0,
745 sampler_size * num_variants,
746 sampler_align,
747 &so->sampler_state_offset[0],
748 &so->sampler_state,
749 &map);
750
751 for (int i = 0; i < num_variants; i++) {
752 so->sampler_state_offset[i] =
753 so->sampler_state_offset[0] + i * sampler_size;
754 v3d_upload_sampler_state_variant(map + i * sampler_size,
755 cso, i, either_nearest);
756 }
757
758 #else /* V3D_VERSION < 40 */
759 v3dx_pack(&so->p0, TEXTURE_UNIFORM_PARAMETER_0_CFG_MODE1, p0) {
760 p0.s_wrap_mode = wrap_s;
761 p0.t_wrap_mode = wrap_t;
762 p0.r_wrap_mode = wrap_r;
763 }
764
765 v3dx_pack(&so->texture_shader_state, TEXTURE_SHADER_STATE, tex) {
766 tex.depth_compare_function = cso->compare_func;
767 tex.fixed_bias = cso->lod_bias;
768 }
769 #endif /* V3D_VERSION < 40 */
770 return so;
771 }
772
773 static void
774 v3d_flag_dirty_sampler_state(struct v3d_context *v3d,
775 enum pipe_shader_type shader)
776 {
777 switch (shader) {
778 case PIPE_SHADER_VERTEX:
779 v3d->dirty |= VC5_DIRTY_VERTTEX;
780 break;
781 case PIPE_SHADER_GEOMETRY:
782 v3d->dirty |= VC5_DIRTY_GEOMTEX;
783 break;
784 case PIPE_SHADER_FRAGMENT:
785 v3d->dirty |= VC5_DIRTY_FRAGTEX;
786 break;
787 case PIPE_SHADER_COMPUTE:
788 v3d->dirty |= VC5_DIRTY_COMPTEX;
789 break;
790 default:
791 unreachable("Unsupported shader stage");
792 }
793 }
794
795 static void
796 v3d_sampler_states_bind(struct pipe_context *pctx,
797 enum pipe_shader_type shader, unsigned start,
798 unsigned nr, void **hwcso)
799 {
800 struct v3d_context *v3d = v3d_context(pctx);
801 struct v3d_texture_stateobj *stage_tex = &v3d->tex[shader];
802
803 assert(start == 0);
804 unsigned i;
805 unsigned new_nr = 0;
806
807 for (i = 0; i < nr; i++) {
808 if (hwcso[i])
809 new_nr = i + 1;
810 stage_tex->samplers[i] = hwcso[i];
811 }
812
813 for (; i < stage_tex->num_samplers; i++) {
814 stage_tex->samplers[i] = NULL;
815 }
816
817 stage_tex->num_samplers = new_nr;
818
819 v3d_flag_dirty_sampler_state(v3d, shader);
820 }
821
822 static void
823 v3d_sampler_state_delete(struct pipe_context *pctx,
824 void *hwcso)
825 {
826 struct pipe_sampler_state *psampler = hwcso;
827 struct v3d_sampler_state *sampler = v3d_sampler_state(psampler);
828
829 pipe_resource_reference(&sampler->sampler_state, NULL);
830 free(psampler);
831 }
832
833 #if V3D_VERSION >= 40
834 static uint32_t
835 translate_swizzle(unsigned char pipe_swizzle)
836 {
837 switch (pipe_swizzle) {
838 case PIPE_SWIZZLE_0:
839 return 0;
840 case PIPE_SWIZZLE_1:
841 return 1;
842 case PIPE_SWIZZLE_X:
843 case PIPE_SWIZZLE_Y:
844 case PIPE_SWIZZLE_Z:
845 case PIPE_SWIZZLE_W:
846 return 2 + pipe_swizzle;
847 default:
848 unreachable("unknown swizzle");
849 }
850 }
851 #endif
852
853 static void
854 v3d_setup_texture_shader_state(struct V3DX(TEXTURE_SHADER_STATE) *tex,
855 struct pipe_resource *prsc,
856 int base_level, int last_level,
857 int first_layer, int last_layer)
858 {
859 struct v3d_resource *rsc = v3d_resource(prsc);
860 int msaa_scale = prsc->nr_samples > 1 ? 2 : 1;
861
862 tex->image_width = prsc->width0 * msaa_scale;
863 tex->image_height = prsc->height0 * msaa_scale;
864
865 #if V3D_VERSION >= 40
866 /* On 4.x, the height of a 1D texture is redefined to be the
867 * upper 14 bits of the width (which is only usable with txf).
868 */
869 if (prsc->target == PIPE_TEXTURE_1D ||
870 prsc->target == PIPE_TEXTURE_1D_ARRAY) {
871 tex->image_height = tex->image_width >> 14;
872 }
873
874 tex->image_width &= (1 << 14) - 1;
875 tex->image_height &= (1 << 14) - 1;
876 #endif
877
878 if (prsc->target == PIPE_TEXTURE_3D) {
879 tex->image_depth = prsc->depth0;
880 } else {
881 tex->image_depth = (last_layer - first_layer) + 1;
882 }
883
884 tex->base_level = base_level;
885 #if V3D_VERSION >= 40
886 tex->max_level = last_level;
887 /* Note that we don't have a job to reference the texture's sBO
888 * at state create time, so any time this sampler view is used
889 * we need to add the texture to the job.
890 */
891 tex->texture_base_pointer =
892 cl_address(NULL,
893 rsc->bo->offset +
894 v3d_layer_offset(prsc, 0, first_layer));
895 #endif
896 tex->array_stride_64_byte_aligned = rsc->cube_map_stride / 64;
897
898 /* Since other platform devices may produce UIF images even
899 * when they're not big enough for V3D to assume they're UIF,
900 * we force images with level 0 as UIF to be always treated
901 * that way.
902 */
903 tex->level_0_is_strictly_uif =
904 (rsc->slices[0].tiling == VC5_TILING_UIF_XOR ||
905 rsc->slices[0].tiling == VC5_TILING_UIF_NO_XOR);
906 tex->level_0_xor_enable = (rsc->slices[0].tiling == VC5_TILING_UIF_XOR);
907
908 if (tex->level_0_is_strictly_uif)
909 tex->level_0_ub_pad = rsc->slices[0].ub_pad;
910
911 #if V3D_VERSION >= 40
912 if (tex->uif_xor_disable ||
913 tex->level_0_is_strictly_uif) {
914 tex->extended = true;
915 }
916 #endif /* V3D_VERSION >= 40 */
917 }
918
919 static struct pipe_sampler_view *
920 v3d_create_sampler_view(struct pipe_context *pctx, struct pipe_resource *prsc,
921 const struct pipe_sampler_view *cso)
922 {
923 struct v3d_context *v3d = v3d_context(pctx);
924 struct v3d_screen *screen = v3d->screen;
925 struct v3d_sampler_view *so = CALLOC_STRUCT(v3d_sampler_view);
926 struct v3d_resource *rsc = v3d_resource(prsc);
927
928 if (!so)
929 return NULL;
930
931 so->base = *cso;
932
933 pipe_reference(NULL, &prsc->reference);
934
935 /* Compute the sampler view's swizzle up front. This will be plugged
936 * into either the sampler (for 16-bit returns) or the shader's
937 * texture key (for 32)
938 */
939 uint8_t view_swizzle[4] = {
940 cso->swizzle_r,
941 cso->swizzle_g,
942 cso->swizzle_b,
943 cso->swizzle_a
944 };
945 const uint8_t *fmt_swizzle =
946 v3d_get_format_swizzle(&screen->devinfo, so->base.format);
947 util_format_compose_swizzles(fmt_swizzle, view_swizzle, so->swizzle);
948
949 so->base.texture = prsc;
950 so->base.reference.count = 1;
951 so->base.context = pctx;
952
953 if (rsc->separate_stencil &&
954 cso->format == PIPE_FORMAT_X32_S8X24_UINT) {
955 rsc = rsc->separate_stencil;
956 prsc = &rsc->base;
957 }
958
959 /* If we're sampling depth from depth/stencil, demote the format to
960 * just depth. u_format will end up giving the answers for the
961 * stencil channel, otherwise.
962 */
963 enum pipe_format sample_format = cso->format;
964 if (sample_format == PIPE_FORMAT_S8_UINT_Z24_UNORM)
965 sample_format = PIPE_FORMAT_X8Z24_UNORM;
966
967 #if V3D_VERSION >= 40
968 const struct util_format_description *desc =
969 util_format_description(sample_format);
970
971 if (util_format_is_pure_integer(sample_format) &&
972 !util_format_has_depth(desc)) {
973 int chan = util_format_get_first_non_void_channel(sample_format);
974 if (util_format_is_pure_uint(sample_format)) {
975 switch (desc->channel[chan].size) {
976 case 32:
977 so->sampler_variant = V3D_SAMPLER_STATE_32;
978 break;
979 case 16:
980 so->sampler_variant = V3D_SAMPLER_STATE_16U;
981 break;
982 case 10:
983 so->sampler_variant = V3D_SAMPLER_STATE_1010102U;
984 break;
985 case 8:
986 so->sampler_variant = V3D_SAMPLER_STATE_8U;
987 break;
988 }
989 } else {
990 switch (desc->channel[chan].size) {
991 case 32:
992 so->sampler_variant = V3D_SAMPLER_STATE_32;
993 break;
994 case 16:
995 so->sampler_variant = V3D_SAMPLER_STATE_16I;
996 break;
997 case 8:
998 so->sampler_variant = V3D_SAMPLER_STATE_8I;
999 break;
1000 }
1001 }
1002 } else {
1003 if (v3d_get_tex_return_size(&screen->devinfo, sample_format,
1004 PIPE_TEX_COMPARE_NONE) == 32) {
1005 if (util_format_is_alpha(sample_format))
1006 so->sampler_variant = V3D_SAMPLER_STATE_32_A;
1007 else
1008 so->sampler_variant = V3D_SAMPLER_STATE_32;
1009 } else {
1010 if (util_format_is_luminance_alpha(sample_format))
1011 so->sampler_variant = V3D_SAMPLER_STATE_F16_LA;
1012 else if (util_format_is_alpha(sample_format))
1013 so->sampler_variant = V3D_SAMPLER_STATE_F16_A;
1014 else if (fmt_swizzle[0] == PIPE_SWIZZLE_Z)
1015 so->sampler_variant = V3D_SAMPLER_STATE_F16_BGRA;
1016 else
1017 so->sampler_variant = V3D_SAMPLER_STATE_F16;
1018
1019 }
1020
1021 if (util_format_is_unorm(sample_format)) {
1022 so->sampler_variant += (V3D_SAMPLER_STATE_F16_UNORM -
1023 V3D_SAMPLER_STATE_F16);
1024 } else if (util_format_is_snorm(sample_format)){
1025 so->sampler_variant += (V3D_SAMPLER_STATE_F16_SNORM -
1026 V3D_SAMPLER_STATE_F16);
1027 }
1028 }
1029 #endif
1030
1031 /* V3D still doesn't support sampling from raster textures, so we will
1032 * have to copy to a temporary tiled texture.
1033 */
1034 if (!rsc->tiled && !(prsc->target == PIPE_TEXTURE_1D ||
1035 prsc->target == PIPE_TEXTURE_1D_ARRAY)) {
1036 struct v3d_resource *shadow_parent = rsc;
1037 struct pipe_resource tmpl = {
1038 .target = prsc->target,
1039 .format = prsc->format,
1040 .width0 = u_minify(prsc->width0,
1041 cso->u.tex.first_level),
1042 .height0 = u_minify(prsc->height0,
1043 cso->u.tex.first_level),
1044 .depth0 = 1,
1045 .array_size = 1,
1046 .bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET,
1047 .last_level = cso->u.tex.last_level - cso->u.tex.first_level,
1048 .nr_samples = prsc->nr_samples,
1049 };
1050
1051 /* Create the shadow texture. The rest of the sampler view
1052 * setup will use the shadow.
1053 */
1054 prsc = v3d_resource_create(pctx->screen, &tmpl);
1055 if (!prsc) {
1056 free(so);
1057 return NULL;
1058 }
1059 rsc = v3d_resource(prsc);
1060
1061 /* Flag it as needing update of the contents from the parent. */
1062 rsc->writes = shadow_parent->writes - 1;
1063 assert(rsc->tiled);
1064
1065 so->texture = prsc;
1066 } else {
1067 pipe_resource_reference(&so->texture, prsc);
1068 }
1069
1070 void *map;
1071 #if V3D_VERSION >= 40
1072 so->bo = v3d_bo_alloc(v3d->screen,
1073 cl_packet_length(TEXTURE_SHADER_STATE), "sampler");
1074 map = v3d_bo_map(so->bo);
1075 #else /* V3D_VERSION < 40 */
1076 STATIC_ASSERT(sizeof(so->texture_shader_state) >=
1077 cl_packet_length(TEXTURE_SHADER_STATE));
1078 map = &so->texture_shader_state;
1079 #endif
1080
1081 v3dx_pack(map, TEXTURE_SHADER_STATE, tex) {
1082 v3d_setup_texture_shader_state(&tex, prsc,
1083 cso->u.tex.first_level,
1084 cso->u.tex.last_level,
1085 cso->u.tex.first_layer,
1086 cso->u.tex.last_layer);
1087
1088 tex.srgb = util_format_is_srgb(cso->format);
1089
1090 #if V3D_VERSION >= 40
1091 tex.swizzle_r = translate_swizzle(so->swizzle[0]);
1092 tex.swizzle_g = translate_swizzle(so->swizzle[1]);
1093 tex.swizzle_b = translate_swizzle(so->swizzle[2]);
1094 tex.swizzle_a = translate_swizzle(so->swizzle[3]);
1095 #endif
1096
1097 if (prsc->nr_samples > 1 && V3D_VERSION < 40) {
1098 /* Using texture views to reinterpret formats on our
1099 * MSAA textures won't work, because we don't lay out
1100 * the bits in memory as it's expected -- for example,
1101 * RGBA8 and RGB10_A2 are compatible in the
1102 * ARB_texture_view spec, but in HW we lay them out as
1103 * 32bpp RGBA8 and 64bpp RGBA16F. Just assert for now
1104 * to catch failures.
1105 *
1106 * We explicitly allow remapping S8Z24 to RGBA8888 for
1107 * v3d_blit.c's stencil blits.
1108 */
1109 assert((util_format_linear(cso->format) ==
1110 util_format_linear(prsc->format)) ||
1111 (prsc->format == PIPE_FORMAT_S8_UINT_Z24_UNORM &&
1112 cso->format == PIPE_FORMAT_R8G8B8A8_UNORM));
1113 uint32_t output_image_format =
1114 v3d_get_rt_format(&screen->devinfo, cso->format);
1115 uint32_t internal_type;
1116 uint32_t internal_bpp;
1117 v3d_get_internal_type_bpp_for_output_format(&screen->devinfo,
1118 output_image_format,
1119 &internal_type,
1120 &internal_bpp);
1121
1122 switch (internal_type) {
1123 case V3D_INTERNAL_TYPE_8:
1124 tex.texture_type = TEXTURE_DATA_FORMAT_RGBA8;
1125 break;
1126 case V3D_INTERNAL_TYPE_16F:
1127 tex.texture_type = TEXTURE_DATA_FORMAT_RGBA16F;
1128 break;
1129 default:
1130 unreachable("Bad MSAA texture type");
1131 }
1132
1133 /* sRGB was stored in the tile buffer as linear and
1134 * would have been encoded to sRGB on resolved tile
1135 * buffer store. Note that this means we would need
1136 * shader code if we wanted to read an MSAA sRGB
1137 * texture without sRGB decode.
1138 */
1139 tex.srgb = false;
1140 } else {
1141 tex.texture_type = v3d_get_tex_format(&screen->devinfo,
1142 cso->format);
1143 }
1144 };
1145
1146 return &so->base;
1147 }
1148
1149 static void
1150 v3d_sampler_view_destroy(struct pipe_context *pctx,
1151 struct pipe_sampler_view *psview)
1152 {
1153 struct v3d_sampler_view *sview = v3d_sampler_view(psview);
1154
1155 v3d_bo_unreference(&sview->bo);
1156 pipe_resource_reference(&psview->texture, NULL);
1157 pipe_resource_reference(&sview->texture, NULL);
1158 free(psview);
1159 }
1160
1161 static void
1162 v3d_set_sampler_views(struct pipe_context *pctx,
1163 enum pipe_shader_type shader,
1164 unsigned start, unsigned nr,
1165 struct pipe_sampler_view **views)
1166 {
1167 struct v3d_context *v3d = v3d_context(pctx);
1168 struct v3d_texture_stateobj *stage_tex = &v3d->tex[shader];
1169 unsigned i;
1170 unsigned new_nr = 0;
1171
1172 assert(start == 0);
1173
1174 for (i = 0; i < nr; i++) {
1175 if (views[i])
1176 new_nr = i + 1;
1177 pipe_sampler_view_reference(&stage_tex->textures[i], views[i]);
1178 }
1179
1180 for (; i < stage_tex->num_textures; i++) {
1181 pipe_sampler_view_reference(&stage_tex->textures[i], NULL);
1182 }
1183
1184 stage_tex->num_textures = new_nr;
1185
1186 v3d_flag_dirty_sampler_state(v3d, shader);
1187 }
1188
1189 static struct pipe_stream_output_target *
1190 v3d_create_stream_output_target(struct pipe_context *pctx,
1191 struct pipe_resource *prsc,
1192 unsigned buffer_offset,
1193 unsigned buffer_size)
1194 {
1195 struct v3d_stream_output_target *target;
1196
1197 target = CALLOC_STRUCT(v3d_stream_output_target);
1198 if (!target)
1199 return NULL;
1200
1201 pipe_reference_init(&target->base.reference, 1);
1202 pipe_resource_reference(&target->base.buffer, prsc);
1203
1204 target->base.context = pctx;
1205 target->base.buffer_offset = buffer_offset;
1206 target->base.buffer_size = buffer_size;
1207
1208 return &target->base;
1209 }
1210
1211 static void
1212 v3d_stream_output_target_destroy(struct pipe_context *pctx,
1213 struct pipe_stream_output_target *target)
1214 {
1215 pipe_resource_reference(&target->buffer, NULL);
1216 free(target);
1217 }
1218
1219 static void
1220 v3d_set_stream_output_targets(struct pipe_context *pctx,
1221 unsigned num_targets,
1222 struct pipe_stream_output_target **targets,
1223 const unsigned *offsets)
1224 {
1225 struct v3d_context *ctx = v3d_context(pctx);
1226 struct v3d_streamout_stateobj *so = &ctx->streamout;
1227 unsigned i;
1228
1229 assert(num_targets <= ARRAY_SIZE(so->targets));
1230
1231 /* Update recorded vertex counts when we are ending the recording of
1232 * transform feedback. We do this when we switch primitive types
1233 * at draw time, but if we haven't switched primitives in our last
1234 * draw we need to do it here as well.
1235 */
1236 if (num_targets == 0 && so->num_targets > 0)
1237 v3d_update_primitive_counters(ctx);
1238
1239 for (i = 0; i < num_targets; i++) {
1240 if (offsets[i] != -1)
1241 so->offsets[i] = offsets[i];
1242
1243 pipe_so_target_reference(&so->targets[i], targets[i]);
1244 }
1245
1246 for (; i < so->num_targets; i++)
1247 pipe_so_target_reference(&so->targets[i], NULL);
1248
1249 so->num_targets = num_targets;
1250
1251 /* Create primitive counters BO if needed */
1252 if (num_targets > 0 && !ctx->prim_counts) {
1253 /* Init all 7 counters and 1 padding to 0 */
1254 uint32_t zeroes[8] = { 0 };
1255 u_upload_data(ctx->uploader,
1256 0, sizeof(zeroes), 32, zeroes,
1257 &ctx->prim_counts_offset,
1258 &ctx->prim_counts);
1259 }
1260
1261 ctx->dirty |= VC5_DIRTY_STREAMOUT;
1262 }
1263
1264 static void
1265 v3d_set_shader_buffers(struct pipe_context *pctx,
1266 enum pipe_shader_type shader,
1267 unsigned start, unsigned count,
1268 const struct pipe_shader_buffer *buffers,
1269 unsigned writable_bitmask)
1270 {
1271 struct v3d_context *v3d = v3d_context(pctx);
1272 struct v3d_ssbo_stateobj *so = &v3d->ssbo[shader];
1273 unsigned mask = 0;
1274
1275 if (buffers) {
1276 for (unsigned i = 0; i < count; i++) {
1277 unsigned n = i + start;
1278 struct pipe_shader_buffer *buf = &so->sb[n];
1279
1280 if ((buf->buffer == buffers[i].buffer) &&
1281 (buf->buffer_offset == buffers[i].buffer_offset) &&
1282 (buf->buffer_size == buffers[i].buffer_size))
1283 continue;
1284
1285 mask |= 1 << n;
1286
1287 buf->buffer_offset = buffers[i].buffer_offset;
1288 buf->buffer_size = buffers[i].buffer_size;
1289 pipe_resource_reference(&buf->buffer, buffers[i].buffer);
1290
1291 if (buf->buffer)
1292 so->enabled_mask |= 1 << n;
1293 else
1294 so->enabled_mask &= ~(1 << n);
1295 }
1296 } else {
1297 mask = ((1 << count) - 1) << start;
1298
1299 for (unsigned i = 0; i < count; i++) {
1300 unsigned n = i + start;
1301 struct pipe_shader_buffer *buf = &so->sb[n];
1302
1303 pipe_resource_reference(&buf->buffer, NULL);
1304 }
1305
1306 so->enabled_mask &= ~mask;
1307 }
1308
1309 v3d->dirty |= VC5_DIRTY_SSBO;
1310 }
1311
1312 static void
1313 v3d_create_image_view_texture_shader_state(struct v3d_context *v3d,
1314 struct v3d_shaderimg_stateobj *so,
1315 int img)
1316 {
1317 #if V3D_VERSION >= 40
1318 struct v3d_image_view *iview = &so->si[img];
1319
1320 void *map;
1321 u_upload_alloc(v3d->uploader, 0, cl_packet_length(TEXTURE_SHADER_STATE),
1322 32,
1323 &iview->tex_state_offset,
1324 &iview->tex_state,
1325 &map);
1326
1327 struct pipe_resource *prsc = iview->base.resource;
1328
1329 v3dx_pack(map, TEXTURE_SHADER_STATE, tex) {
1330 v3d_setup_texture_shader_state(&tex, prsc,
1331 iview->base.u.tex.level,
1332 iview->base.u.tex.level,
1333 iview->base.u.tex.first_layer,
1334 iview->base.u.tex.last_layer);
1335
1336 tex.swizzle_r = translate_swizzle(PIPE_SWIZZLE_X);
1337 tex.swizzle_g = translate_swizzle(PIPE_SWIZZLE_Y);
1338 tex.swizzle_b = translate_swizzle(PIPE_SWIZZLE_Z);
1339 tex.swizzle_a = translate_swizzle(PIPE_SWIZZLE_W);
1340
1341 tex.texture_type = v3d_get_tex_format(&v3d->screen->devinfo,
1342 iview->base.format);
1343 };
1344 #else /* V3D_VERSION < 40 */
1345 /* V3D 3.x doesn't use support shader image load/store operations on
1346 * textures, so it would get lowered in the shader to general memory
1347 * acceses.
1348 */
1349 #endif
1350 }
1351
1352 static void
1353 v3d_set_shader_images(struct pipe_context *pctx,
1354 enum pipe_shader_type shader,
1355 unsigned start, unsigned count,
1356 const struct pipe_image_view *images)
1357 {
1358 struct v3d_context *v3d = v3d_context(pctx);
1359 struct v3d_shaderimg_stateobj *so = &v3d->shaderimg[shader];
1360
1361 if (images) {
1362 for (unsigned i = 0; i < count; i++) {
1363 unsigned n = i + start;
1364 struct v3d_image_view *iview = &so->si[n];
1365
1366 if ((iview->base.resource == images[i].resource) &&
1367 (iview->base.format == images[i].format) &&
1368 (iview->base.access == images[i].access) &&
1369 !memcmp(&iview->base.u, &images[i].u,
1370 sizeof(iview->base.u)))
1371 continue;
1372
1373 util_copy_image_view(&iview->base, &images[i]);
1374
1375 if (iview->base.resource) {
1376 so->enabled_mask |= 1 << n;
1377 v3d_create_image_view_texture_shader_state(v3d,
1378 so,
1379 n);
1380 } else {
1381 so->enabled_mask &= ~(1 << n);
1382 pipe_resource_reference(&iview->tex_state, NULL);
1383 }
1384 }
1385 } else {
1386 for (unsigned i = 0; i < count; i++) {
1387 unsigned n = i + start;
1388 struct v3d_image_view *iview = &so->si[n];
1389
1390 pipe_resource_reference(&iview->base.resource, NULL);
1391 pipe_resource_reference(&iview->tex_state, NULL);
1392 }
1393
1394 if (count == 32)
1395 so->enabled_mask = 0;
1396 else
1397 so->enabled_mask &= ~(((1 << count) - 1) << start);
1398 }
1399
1400 v3d->dirty |= VC5_DIRTY_SHADER_IMAGE;
1401 }
1402
1403 void
1404 v3dX(state_init)(struct pipe_context *pctx)
1405 {
1406 pctx->set_blend_color = v3d_set_blend_color;
1407 pctx->set_stencil_ref = v3d_set_stencil_ref;
1408 pctx->set_clip_state = v3d_set_clip_state;
1409 pctx->set_sample_mask = v3d_set_sample_mask;
1410 pctx->set_constant_buffer = v3d_set_constant_buffer;
1411 pctx->set_framebuffer_state = v3d_set_framebuffer_state;
1412 pctx->set_polygon_stipple = v3d_set_polygon_stipple;
1413 pctx->set_scissor_states = v3d_set_scissor_states;
1414 pctx->set_viewport_states = v3d_set_viewport_states;
1415
1416 pctx->set_vertex_buffers = v3d_set_vertex_buffers;
1417
1418 pctx->create_blend_state = v3d_create_blend_state;
1419 pctx->bind_blend_state = v3d_blend_state_bind;
1420 pctx->delete_blend_state = v3d_generic_cso_state_delete;
1421
1422 pctx->create_rasterizer_state = v3d_create_rasterizer_state;
1423 pctx->bind_rasterizer_state = v3d_rasterizer_state_bind;
1424 pctx->delete_rasterizer_state = v3d_generic_cso_state_delete;
1425
1426 pctx->create_depth_stencil_alpha_state = v3d_create_depth_stencil_alpha_state;
1427 pctx->bind_depth_stencil_alpha_state = v3d_zsa_state_bind;
1428 pctx->delete_depth_stencil_alpha_state = v3d_generic_cso_state_delete;
1429
1430 pctx->create_vertex_elements_state = v3d_vertex_state_create;
1431 pctx->delete_vertex_elements_state = v3d_vertex_state_delete;
1432 pctx->bind_vertex_elements_state = v3d_vertex_state_bind;
1433
1434 pctx->create_sampler_state = v3d_create_sampler_state;
1435 pctx->delete_sampler_state = v3d_sampler_state_delete;
1436 pctx->bind_sampler_states = v3d_sampler_states_bind;
1437
1438 pctx->create_sampler_view = v3d_create_sampler_view;
1439 pctx->sampler_view_destroy = v3d_sampler_view_destroy;
1440 pctx->set_sampler_views = v3d_set_sampler_views;
1441
1442 pctx->set_shader_buffers = v3d_set_shader_buffers;
1443 pctx->set_shader_images = v3d_set_shader_images;
1444
1445 pctx->create_stream_output_target = v3d_create_stream_output_target;
1446 pctx->stream_output_target_destroy = v3d_stream_output_target_destroy;
1447 pctx->set_stream_output_targets = v3d_set_stream_output_targets;
1448 }