1/*
2 * Copyright (c) 2012-2015 Etnaviv Project
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, sub license,
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 (including the
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 *    Wladimir J. van der Laan <laanwj@gmail.com>
25 */
26
27#include "etnaviv_texture_state.h"
28
29#include "hw/common.xml.h"
30
31#include "etnaviv_clear_blit.h"
32#include "etnaviv_context.h"
33#include "etnaviv_emit.h"
34#include "etnaviv_format.h"
35#include "etnaviv_texture.h"
36#include "etnaviv_translate.h"
37#include "util/u_inlines.h"
38#include "util/u_memory.h"
39
40#include "drm-uapi/drm_fourcc.h"
41
42struct etna_sampler_state {
43   struct pipe_sampler_state base;
44
45   /* sampler offset +4*sampler, interleave when committing state */
46   uint32_t config0;
47   uint32_t config1;
48   uint32_t config_lod;
49   uint32_t config_3d;
50   uint32_t baselod;
51   unsigned min_lod, max_lod, max_lod_min;
52};
53
54static inline struct etna_sampler_state *
55etna_sampler_state(struct pipe_sampler_state *samp)
56{
57   return (struct etna_sampler_state *)samp;
58}
59
60struct etna_sampler_view {
61   struct pipe_sampler_view base;
62
63   /* sampler offset +4*sampler, interleave when committing state */
64   uint32_t config0;
65   uint32_t config0_mask;
66   uint32_t config1;
67   uint32_t config_3d;
68   uint32_t size;
69   uint32_t log_size;
70   uint32_t astc0;
71   uint32_t linear_stride;  /* only LOD0 */
72   struct etna_reloc lod_addr[VIVS_TE_SAMPLER_LOD_ADDR__LEN];
73   unsigned min_lod, max_lod; /* 5.5 fixp */
74
75   struct etna_sampler_ts ts;
76};
77
78static inline struct etna_sampler_view *
79etna_sampler_view(struct pipe_sampler_view *view)
80{
81   return (struct etna_sampler_view *)view;
82}
83
84static void *
85etna_create_sampler_state_state(struct pipe_context *pipe,
86                          const struct pipe_sampler_state *ss)
87{
88   struct etna_sampler_state *cs = CALLOC_STRUCT(etna_sampler_state);
89   struct etna_context *ctx = etna_context(pipe);
90   struct etna_screen *screen = ctx->screen;
91   const bool ansio = ss->max_anisotropy > 1;
92   const bool mipmap = ss->min_mip_filter != PIPE_TEX_MIPFILTER_NONE;
93
94   if (!cs)
95      return NULL;
96
97   cs->base = *ss;
98
99   cs->config0 =
100      VIVS_TE_SAMPLER_CONFIG0_UWRAP(translate_texture_wrapmode(ss->wrap_s)) |
101      VIVS_TE_SAMPLER_CONFIG0_VWRAP(translate_texture_wrapmode(ss->wrap_t)) |
102      VIVS_TE_SAMPLER_CONFIG0_MIN(translate_texture_filter(ss->min_img_filter)) |
103      VIVS_TE_SAMPLER_CONFIG0_MIP(translate_texture_mipfilter(ss->min_mip_filter)) |
104      VIVS_TE_SAMPLER_CONFIG0_MAG(translate_texture_filter(ss->mag_img_filter)) |
105      VIVS_TE_SAMPLER_CONFIG0_ANISOTROPY(COND(ansio, etna_log2_fixp55(ss->max_anisotropy)));
106
107   /* ROUND_UV improves precision - but not compatible with NEAREST filter */
108   if (ss->min_img_filter != PIPE_TEX_FILTER_NEAREST &&
109       ss->mag_img_filter != PIPE_TEX_FILTER_NEAREST) {
110      cs->config0 |= VIVS_TE_SAMPLER_CONFIG0_ROUND_UV;
111   }
112
113   cs->config1 = screen->specs.seamless_cube_map ?
114      COND(ss->seamless_cube_map, VIVS_TE_SAMPLER_CONFIG1_SEAMLESS_CUBE_MAP) : 0;
115
116   cs->config_lod =
117      COND(ss->lod_bias != 0.0 && mipmap, VIVS_TE_SAMPLER_LOD_CONFIG_BIAS_ENABLE) |
118      VIVS_TE_SAMPLER_LOD_CONFIG_BIAS(etna_float_to_fixp55(ss->lod_bias));
119
120   cs->config_3d =
121      VIVS_TE_SAMPLER_3D_CONFIG_WRAP(translate_texture_wrapmode(ss->wrap_r));
122
123   if (mipmap) {
124      cs->min_lod = etna_float_to_fixp55(ss->min_lod);
125      cs->max_lod = etna_float_to_fixp55(ss->max_lod);
126   } else {
127      /* when not mipmapping, we need to set max/min lod so that always
128       * lowest LOD is selected */
129      cs->min_lod = cs->max_lod = etna_float_to_fixp55(0.0f);
130   }
131
132   /* if max_lod is 0, MIN filter will never be used (GC3000)
133    * when min filter is different from mag filter, we need HW to compute LOD
134    * the workaround is to set max_lod to at least 1
135    */
136   cs->max_lod_min = (ss->min_img_filter != ss->mag_img_filter) ? 1 : 0;
137
138   cs->baselod =
139      COND(ss->compare_mode, VIVS_NTE_SAMPLER_BASELOD_COMPARE_ENABLE) |
140      VIVS_NTE_SAMPLER_BASELOD_COMPARE_FUNC(translate_texture_compare(ss->compare_func));
141
142   /* force nearest filting for nir_lower_sample_tex_compare(..) */
143   if ((ctx->screen->specs.halti < 2) && ss->compare_mode) {
144      cs->config0 &= ~VIVS_TE_SAMPLER_CONFIG0_MIN__MASK;
145      cs->config0 &= ~VIVS_TE_SAMPLER_CONFIG0_MAG__MASK;
146
147      cs->config0 |=
148         VIVS_TE_SAMPLER_CONFIG0_MIN(TEXTURE_FILTER_NEAREST) |
149         VIVS_TE_SAMPLER_CONFIG0_MAG(TEXTURE_FILTER_NEAREST);
150   }
151
152   return cs;
153}
154
155static void
156etna_delete_sampler_state_state(struct pipe_context *pctx, void *ss)
157{
158   FREE(ss);
159}
160
161static struct pipe_sampler_view *
162etna_create_sampler_view_state(struct pipe_context *pctx, struct pipe_resource *prsc,
163                         const struct pipe_sampler_view *so)
164{
165   struct etna_sampler_view *sv = CALLOC_STRUCT(etna_sampler_view);
166   struct etna_context *ctx = etna_context(pctx);
167   struct etna_screen *screen = ctx->screen;
168   const uint32_t format = translate_texture_format(so->format);
169   const bool ext = !!(format & EXT_FORMAT);
170   const bool astc = !!(format & ASTC_FORMAT);
171   const bool srgb = util_format_is_srgb(so->format);
172   const uint32_t swiz = get_texture_swiz(so->format, so->swizzle_r,
173                                          so->swizzle_g, so->swizzle_b,
174                                          so->swizzle_a);
175
176   if (!sv)
177      return NULL;
178
179   struct etna_resource *res = etna_texture_handle_incompatible(pctx, prsc);
180   if (!res) {
181      free(sv);
182      return NULL;
183   }
184
185   sv->base = *so;
186   pipe_reference_init(&sv->base.reference, 1);
187   sv->base.texture = NULL;
188   pipe_resource_reference(&sv->base.texture, prsc);
189   sv->base.context = pctx;
190
191   /* merged with sampler state */
192   sv->config0 =
193      VIVS_TE_SAMPLER_CONFIG0_TYPE(translate_texture_target(sv->base.target)) |
194      COND(!ext && !astc, VIVS_TE_SAMPLER_CONFIG0_FORMAT(format));
195   sv->config0_mask = 0xffffffff;
196
197   uint32_t base_height = res->base.height0;
198   uint32_t base_depth = res->base.depth0;
199   bool is_array = false;
200
201   switch (sv->base.target) {
202   case PIPE_TEXTURE_1D:
203      /* use 2D texture with T wrap to repeat for 1D texture
204       * TODO: check if old HW supports 1D texture
205       */
206      sv->config0_mask = ~VIVS_TE_SAMPLER_CONFIG0_VWRAP__MASK;
207      sv->config0 &= ~VIVS_TE_SAMPLER_CONFIG0_TYPE__MASK;
208      sv->config0 |=
209         VIVS_TE_SAMPLER_CONFIG0_TYPE(TEXTURE_TYPE_2D) |
210         VIVS_TE_SAMPLER_CONFIG0_VWRAP(TEXTURE_WRAPMODE_REPEAT);
211      break;
212   case PIPE_TEXTURE_1D_ARRAY:
213      is_array = true;
214      base_height = res->base.array_size;
215      break;
216   case PIPE_TEXTURE_2D_ARRAY:
217      is_array = true;
218      base_depth = res->base.array_size;
219      break;
220   default:
221      break;
222   }
223
224   if (res->layout == ETNA_LAYOUT_LINEAR && !util_format_is_compressed(so->format)) {
225      sv->config0 |= VIVS_TE_SAMPLER_CONFIG0_ADDRESSING_MODE(TEXTURE_ADDRESSING_MODE_LINEAR);
226
227      assert(res->base.last_level == 0);
228      sv->linear_stride = res->levels[0].stride;
229   } else {
230      sv->config0 |= VIVS_TE_SAMPLER_CONFIG0_ADDRESSING_MODE(TEXTURE_ADDRESSING_MODE_TILED);
231      sv->linear_stride = 0;
232   }
233
234   sv->config1 |= COND(ext, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(format)) |
235                  COND(astc, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(TEXTURE_FORMAT_EXT_ASTC)) |
236                  COND(is_array, VIVS_TE_SAMPLER_CONFIG1_TEXTURE_ARRAY) |
237                  VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign) | swiz;
238   sv->astc0 = COND(astc, VIVS_NTE_SAMPLER_ASTC0_ASTC_FORMAT(format)) |
239               COND(astc && srgb, VIVS_NTE_SAMPLER_ASTC0_ASTC_SRGB) |
240               VIVS_NTE_SAMPLER_ASTC0_UNK8(0xc) |
241               VIVS_NTE_SAMPLER_ASTC0_UNK16(0xc) |
242               VIVS_NTE_SAMPLER_ASTC0_UNK24(0xc);
243   sv->size = VIVS_TE_SAMPLER_SIZE_WIDTH(res->base.width0) |
244              VIVS_TE_SAMPLER_SIZE_HEIGHT(base_height);
245   sv->log_size =
246      VIVS_TE_SAMPLER_LOG_SIZE_WIDTH(etna_log2_fixp55(res->base.width0)) |
247      VIVS_TE_SAMPLER_LOG_SIZE_HEIGHT(etna_log2_fixp55(base_height)) |
248      COND(util_format_is_srgb(so->format) && !astc, VIVS_TE_SAMPLER_LOG_SIZE_SRGB) |
249      COND(astc, VIVS_TE_SAMPLER_LOG_SIZE_ASTC);
250   sv->config_3d =
251      VIVS_TE_SAMPLER_3D_CONFIG_DEPTH(base_depth) |
252      VIVS_TE_SAMPLER_3D_CONFIG_LOG_DEPTH(etna_log2_fixp55(base_depth));
253
254   /* Set up levels-of-detail */
255   for (int lod = 0; lod <= res->base.last_level; ++lod) {
256      sv->lod_addr[lod].bo = res->bo;
257      sv->lod_addr[lod].offset = res->levels[lod].offset;
258      sv->lod_addr[lod].flags = ETNA_RELOC_READ;
259   }
260   sv->min_lod = sv->base.u.tex.first_level << 5;
261   sv->max_lod = MIN2(sv->base.u.tex.last_level, res->base.last_level) << 5;
262
263   /* Workaround for npot textures -- it appears that only CLAMP_TO_EDGE is
264    * supported when the appropriate capability is not set. */
265   if (!screen->specs.npot_tex_any_wrap &&
266       (!util_is_power_of_two_or_zero(res->base.width0) ||
267        !util_is_power_of_two_or_zero(res->base.height0))) {
268      sv->config0_mask = ~(VIVS_TE_SAMPLER_CONFIG0_UWRAP__MASK |
269                           VIVS_TE_SAMPLER_CONFIG0_VWRAP__MASK);
270      sv->config0 |=
271         VIVS_TE_SAMPLER_CONFIG0_UWRAP(TEXTURE_WRAPMODE_CLAMP_TO_EDGE) |
272         VIVS_TE_SAMPLER_CONFIG0_VWRAP(TEXTURE_WRAPMODE_CLAMP_TO_EDGE);
273   }
274
275   return &sv->base;
276}
277
278static void
279etna_sampler_view_state_destroy(struct pipe_context *pctx,
280                          struct pipe_sampler_view *view)
281{
282   pipe_resource_reference(&view->texture, NULL);
283   FREE(view);
284}
285
286#define EMIT_STATE(state_name, src_value) \
287   etna_coalsence_emit(stream, &coalesce, VIVS_##state_name, src_value)
288
289#define EMIT_STATE_FIXP(state_name, src_value) \
290   etna_coalsence_emit_fixp(stream, &coalesce, VIVS_##state_name, src_value)
291
292#define EMIT_STATE_RELOC(state_name, src_value) \
293   etna_coalsence_emit_reloc(stream, &coalesce, VIVS_##state_name, src_value)
294
295static void
296etna_emit_ts_state(struct etna_context *ctx)
297{
298   struct etna_cmd_stream *stream = ctx->stream;
299   uint32_t active_samplers = active_samplers_bits(ctx);
300   uint32_t dirty = ctx->dirty;
301   struct etna_coalesce coalesce;
302
303   etna_coalesce_start(stream, &coalesce);
304
305   if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
306      for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
307         if ((1 << x) & active_samplers) {
308            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
309            /*01720*/ EMIT_STATE(TS_SAMPLER_CONFIG(x), sv->ts.TS_SAMPLER_CONFIG);
310         }
311      }
312      for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
313         if ((1 << x) & active_samplers) {
314            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
315            /*01740*/ EMIT_STATE_RELOC(TS_SAMPLER_STATUS_BASE(x), &sv->ts.TS_SAMPLER_STATUS_BASE);
316         }
317      }
318      for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
319         if ((1 << x) & active_samplers) {
320            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
321            /*01760*/ EMIT_STATE(TS_SAMPLER_CLEAR_VALUE(x), sv->ts.TS_SAMPLER_CLEAR_VALUE);
322         }
323      }
324      for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
325         if ((1 << x) & active_samplers) {
326            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
327            /*01780*/ EMIT_STATE(TS_SAMPLER_CLEAR_VALUE2(x), sv->ts.TS_SAMPLER_CLEAR_VALUE2);
328         }
329      }
330   }
331
332   etna_coalesce_end(stream, &coalesce);
333}
334
335static void
336etna_emit_new_texture_state(struct etna_context *ctx)
337{
338   struct etna_cmd_stream *stream = ctx->stream;
339   struct etna_screen *screen = ctx->screen;
340   uint32_t active_samplers = active_samplers_bits(ctx);
341   uint32_t dirty = ctx->dirty;
342   struct etna_coalesce coalesce;
343
344   etna_emit_ts_state(ctx);
345
346   etna_coalesce_start(stream, &coalesce);
347
348   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS | ETNA_DIRTY_SAMPLERS))) {
349      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
350         uint32_t val = 0; /* 0 == sampler inactive */
351
352         /* set active samplers to their configuration value (determined by both
353          * the sampler state and sampler view) */
354         if ((1 << x) & active_samplers) {
355            struct etna_sampler_state *ss = etna_sampler_state(ctx->sampler[x]);
356            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
357
358            val = (ss->config0 & sv->config0_mask) | sv->config0;
359         }
360
361         /*10000*/ EMIT_STATE(NTE_SAMPLER_CONFIG0(x), val);
362      }
363   }
364   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
365      struct etna_sampler_state *ss;
366      struct etna_sampler_view *sv;
367
368      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
369         if ((1 << x) & active_samplers) {
370            sv = etna_sampler_view(ctx->sampler_view[x]);
371            /*10080*/ EMIT_STATE(NTE_SAMPLER_SIZE(x), sv->size);
372         }
373      }
374      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
375         if ((1 << x) & active_samplers) {
376            ss = etna_sampler_state(ctx->sampler[x]);
377            sv = etna_sampler_view(ctx->sampler_view[x]);
378            uint32_t log_size = sv->log_size;
379
380            if (texture_use_int_filter(&sv->base, &ss->base, false))
381               log_size |= VIVS_TE_SAMPLER_LOG_SIZE_INT_FILTER;
382
383            /*10100*/ EMIT_STATE(NTE_SAMPLER_LOG_SIZE(x), log_size);
384         }
385      }
386   }
387   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS | ETNA_DIRTY_SAMPLERS))) {
388      struct etna_sampler_state *ss;
389      struct etna_sampler_view *sv;
390
391      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
392         if ((1 << x) & active_samplers) {
393            ss = etna_sampler_state(ctx->sampler[x]);
394            sv = etna_sampler_view(ctx->sampler_view[x]);
395
396            unsigned max_lod = MAX2(MIN2(ss->max_lod + sv->min_lod, sv->max_lod), ss->max_lod_min);
397            unsigned min_lod = MIN2(MAX2(ss->min_lod + sv->min_lod, sv->min_lod), max_lod);
398
399            /* min and max lod is determined both by the sampler and the view */
400            /*10180*/ EMIT_STATE(NTE_SAMPLER_LOD_CONFIG(x),
401                                 ss->config_lod |
402                                 VIVS_TE_SAMPLER_LOD_CONFIG_MAX(max_lod) |
403                                 VIVS_TE_SAMPLER_LOD_CONFIG_MIN(min_lod));
404         }
405      }
406   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
407      /* only LOD0 is valid for this register */
408      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
409         if ((1 << x) & active_samplers) {
410            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
411            /*10280*/ EMIT_STATE(NTE_SAMPLER_LINEAR_STRIDE(0, x), sv->linear_stride);
412         }
413      }
414   }
415      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
416         if ((1 << x) & active_samplers) {
417            ss = etna_sampler_state(ctx->sampler[x]);
418            sv = etna_sampler_view(ctx->sampler_view[x]);
419
420            /*10300*/ EMIT_STATE(NTE_SAMPLER_3D_CONFIG(x), ss->config_3d |
421                                                           sv->config_3d);
422         }
423      }
424      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
425         if ((1 << x) & active_samplers) {
426            ss = etna_sampler_state(ctx->sampler[x]);
427            sv = etna_sampler_view(ctx->sampler_view[x]);
428
429            /*10380*/ EMIT_STATE(NTE_SAMPLER_CONFIG1(x), ss->config1 |
430                                                         sv->config1 |
431                                                         COND(sv->ts.enable, VIVS_TE_SAMPLER_CONFIG1_USE_TS));
432         }
433      }
434   }
435   if (unlikely(screen->specs.tex_astc && (dirty & (ETNA_DIRTY_SAMPLER_VIEWS)))) {
436      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
437         if ((1 << x) & active_samplers) {
438            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
439            /*10500*/ EMIT_STATE(NTE_SAMPLER_ASTC0(x), sv->astc0);
440         }
441      }
442   }
443   if (unlikely(dirty & (ETNA_DIRTY_SAMPLERS))) {
444      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
445         if ((1 << x) & active_samplers) {
446            struct etna_sampler_state *ss = etna_sampler_state(ctx->sampler[x]);
447            /*10700*/ EMIT_STATE(NTE_SAMPLER_BASELOD(x), ss->baselod);
448         }
449      }
450   }
451
452   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
453      for (int x = 0; x < VIVS_NTE_SAMPLER__LEN; ++x) {
454         if ((1 << x) & active_samplers) {
455            for (int y = 0; y < VIVS_NTE_SAMPLER_ADDR_LOD__LEN; ++y) {
456               struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
457               /*10800*/ EMIT_STATE_RELOC(NTE_SAMPLER_ADDR_LOD(x, y), &sv->lod_addr[y]);
458            }
459         }
460      }
461   }
462
463   etna_coalesce_end(stream, &coalesce);
464}
465
466/* Emit plain (non-descriptor) texture state */
467static void
468etna_emit_texture_state(struct etna_context *ctx)
469{
470   struct etna_cmd_stream *stream = ctx->stream;
471   struct etna_screen *screen = ctx->screen;
472   uint32_t active_samplers = active_samplers_bits(ctx);
473   uint32_t dirty = ctx->dirty;
474   struct etna_coalesce coalesce;
475
476   etna_emit_ts_state(ctx);
477
478   etna_coalesce_start(stream, &coalesce);
479
480   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS | ETNA_DIRTY_SAMPLERS))) {
481      for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
482         uint32_t val = 0; /* 0 == sampler inactive */
483
484         /* set active samplers to their configuration value (determined by both
485          * the sampler state and sampler view) */
486         if ((1 << x) & active_samplers) {
487            struct etna_sampler_state *ss = etna_sampler_state(ctx->sampler[x]);
488            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
489
490            val = (ss->config0 & sv->config0_mask) | sv->config0;
491         }
492
493         /*02000*/ EMIT_STATE(TE_SAMPLER_CONFIG0(x), val);
494      }
495   }
496   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
497      struct etna_sampler_state *ss;
498      struct etna_sampler_view *sv;
499
500      for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
501         if ((1 << x) & active_samplers) {
502            sv = etna_sampler_view(ctx->sampler_view[x]);
503            /*02040*/ EMIT_STATE(TE_SAMPLER_SIZE(x), sv->size);
504         }
505      }
506      for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
507         if ((1 << x) & active_samplers) {
508            ss = etna_sampler_state(ctx->sampler[x]);
509            sv = etna_sampler_view(ctx->sampler_view[x]);
510            uint32_t log_size = sv->log_size;
511
512            if (texture_use_int_filter(&sv->base, &ss->base, false))
513               log_size |= VIVS_TE_SAMPLER_LOG_SIZE_INT_FILTER;
514
515            /*02080*/ EMIT_STATE(TE_SAMPLER_LOG_SIZE(x), log_size);
516         }
517      }
518   }
519   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS | ETNA_DIRTY_SAMPLERS))) {
520      struct etna_sampler_state *ss;
521      struct etna_sampler_view *sv;
522
523      for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
524         if ((1 << x) & active_samplers) {
525            ss = etna_sampler_state(ctx->sampler[x]);
526            sv = etna_sampler_view(ctx->sampler_view[x]);
527
528            unsigned max_lod = MAX2(MIN2(ss->max_lod + sv->min_lod, sv->max_lod), ss->max_lod_min);
529            unsigned min_lod = MIN2(MAX2(ss->min_lod + sv->min_lod, sv->min_lod), max_lod);
530
531            /* min and max lod is determined both by the sampler and the view */
532            /*020C0*/ EMIT_STATE(TE_SAMPLER_LOD_CONFIG(x),
533                                 ss->config_lod |
534                                 VIVS_TE_SAMPLER_LOD_CONFIG_MAX(max_lod) |
535                                 VIVS_TE_SAMPLER_LOD_CONFIG_MIN(min_lod));
536         }
537      }
538      for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
539         if ((1 << x) & active_samplers) {
540            ss = etna_sampler_state(ctx->sampler[x]);
541            sv = etna_sampler_view(ctx->sampler_view[x]);
542
543            /*02180*/ EMIT_STATE(TE_SAMPLER_3D_CONFIG(x), ss->config_3d |
544                                                          sv->config_3d);
545         }
546      }
547      for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
548         if ((1 << x) & active_samplers) {
549            ss = etna_sampler_state(ctx->sampler[x]);
550            sv = etna_sampler_view(ctx->sampler_view[x]);
551
552            /*021C0*/ EMIT_STATE(TE_SAMPLER_CONFIG1(x), ss->config1 |
553                                                        sv->config1 |
554                                                        COND(sv->ts.enable, VIVS_TE_SAMPLER_CONFIG1_USE_TS));
555         }
556      }
557   }
558   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
559      for (int y = 0; y < VIVS_TE_SAMPLER_LOD_ADDR__LEN; ++y) {
560         for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
561            if ((1 << x) & active_samplers) {
562               struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
563               /*02400*/ EMIT_STATE_RELOC(TE_SAMPLER_LOD_ADDR(x, y), &sv->lod_addr[y]);
564            }
565         }
566      }
567   }
568   if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
569      /* only LOD0 is valid for this register */
570      for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
571         if ((1 << x) & active_samplers) {
572            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
573            /*02C00*/ EMIT_STATE(TE_SAMPLER_LINEAR_STRIDE(0, x), sv->linear_stride);
574         }
575      }
576   }
577   if (unlikely(screen->specs.tex_astc && (dirty & (ETNA_DIRTY_SAMPLER_VIEWS)))) {
578      for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
579         if ((1 << x) & active_samplers) {
580            struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
581            /*10500*/ EMIT_STATE(NTE_SAMPLER_ASTC0(x), sv->astc0);
582         }
583      }
584   }
585
586   etna_coalesce_end(stream, &coalesce);
587}
588
589#undef EMIT_STATE
590#undef EMIT_STATE_FIXP
591#undef EMIT_STATE_RELOC
592
593static struct etna_sampler_ts*
594etna_ts_for_sampler_view_state(struct pipe_sampler_view *pview)
595{
596   struct etna_sampler_view *sv = etna_sampler_view(pview);
597   return &sv->ts;
598}
599
600void
601etna_texture_state_init(struct pipe_context *pctx)
602{
603   struct etna_context *ctx = etna_context(pctx);
604   DBG("etnaviv: Using state-based texturing");
605   ctx->base.create_sampler_state = etna_create_sampler_state_state;
606   ctx->base.delete_sampler_state = etna_delete_sampler_state_state;
607   ctx->base.create_sampler_view = etna_create_sampler_view_state;
608   ctx->base.sampler_view_destroy = etna_sampler_view_state_destroy;
609   ctx->ts_for_sampler_view = etna_ts_for_sampler_view_state;
610
611   STATIC_ASSERT(VIVS_TE_SAMPLER_LOD_ADDR__LEN == VIVS_NTE_SAMPLER_ADDR_LOD__LEN);
612
613   if (ctx->screen->specs.halti >= 1)
614      ctx->emit_texture_state = etna_emit_new_texture_state;
615   else
616      ctx->emit_texture_state = etna_emit_texture_state;
617}
618