src/gallium/drivers/etnaviv/etnaviv_texture_state.c

   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
  42 static void *
  43 etna_create_sampler_state_state(struct pipe_context *pipe,
  44                           const struct pipe_sampler_state *ss)
  45 {
  46    struct etna_sampler_state *cs = CALLOC_STRUCT(etna_sampler_state);
  47
  48    if (!cs)
  49       return NULL;
  50
  51    cs->TE_SAMPLER_CONFIG0 =
  52       VIVS_TE_SAMPLER_CONFIG0_UWRAP(translate_texture_wrapmode(ss->wrap_s)) |
  53       VIVS_TE_SAMPLER_CONFIG0_VWRAP(translate_texture_wrapmode(ss->wrap_t)) |
  54       VIVS_TE_SAMPLER_CONFIG0_MIN(translate_texture_filter(ss->min_img_filter)) |
  55       VIVS_TE_SAMPLER_CONFIG0_MIP(translate_texture_mipfilter(ss->min_mip_filter)) |
  56       VIVS_TE_SAMPLER_CONFIG0_MAG(translate_texture_filter(ss->mag_img_filter));
  57
  58    /* ROUND_UV improves precision - but not compatible with NEAREST filter */
  59    if (ss->min_img_filter != PIPE_TEX_FILTER_NEAREST &&
  60        ss->mag_img_filter != PIPE_TEX_FILTER_NEAREST) {
  61       cs->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_ROUND_UV;
  62    }
  63
  64    cs->TE_SAMPLER_CONFIG1 =
  65       COND(ss->seamless_cube_map, VIVS_TE_SAMPLER_CONFIG1_SEAMLESS_CUBE_MAP);
  66
  67    cs->TE_SAMPLER_LOD_CONFIG =
  68       COND(ss->lod_bias != 0.0, VIVS_TE_SAMPLER_LOD_CONFIG_BIAS_ENABLE) |
  69       VIVS_TE_SAMPLER_LOD_CONFIG_BIAS(etna_float_to_fixp55(ss->lod_bias));
  70
  71    if (ss->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
  72       cs->min_lod = etna_float_to_fixp55(ss->min_lod);
  73       cs->max_lod = etna_float_to_fixp55(ss->max_lod);
  74    } else {
  75       /* when not mipmapping, we need to set max/min lod so that always
  76        * lowest LOD is selected */
  77       cs->min_lod = cs->max_lod = etna_float_to_fixp55(ss->min_lod);
  78    }
  79
  80    /* if max_lod is 0, MIN filter will never be used (GC3000)
  81     * when min filter is different from mag filter, we need HW to compute LOD
  82     * the workaround is to set max_lod to at least 1
  83     */
  84    cs->max_lod_min = (ss->min_img_filter != ss->mag_img_filter) ? 1 : 0;
  85
  86    return cs;
  87 }
  88
  89 static void
  90 etna_delete_sampler_state_state(struct pipe_context *pctx, void *ss)
  91 {
  92    FREE(ss);
  93 }
  94
  95 static struct pipe_sampler_view *
  96 etna_create_sampler_view_state(struct pipe_context *pctx, struct pipe_resource *prsc,
  97                          const struct pipe_sampler_view *so)
  98 {
  99    struct etna_sampler_view *sv = CALLOC_STRUCT(etna_sampler_view);
 100    struct etna_context *ctx = etna_context(pctx);
 101    const uint32_t format = translate_texture_format(so->format);
 102    const bool ext = !!(format & EXT_FORMAT);
 103    const bool astc = !!(format & ASTC_FORMAT);
 104    const uint32_t swiz = get_texture_swiz(so->format, so->swizzle_r,
 105                                           so->swizzle_g, so->swizzle_b,
 106                                           so->swizzle_a);
 107
 108    if (!sv)
 109       return NULL;
 110
 111    struct etna_resource *res = etna_texture_handle_incompatible(pctx, prsc);
 112    if (!res) {
 113       free(sv);
 114       return NULL;
 115    }
 116
 117    sv->base = *so;
 118    pipe_reference_init(&sv->base.reference, 1);
 119    sv->base.texture = NULL;
 120    pipe_resource_reference(&sv->base.texture, prsc);
 121    sv->base.context = pctx;
 122
 123    /* merged with sampler state */
 124    sv->TE_SAMPLER_CONFIG0 = COND(!ext && !astc, VIVS_TE_SAMPLER_CONFIG0_FORMAT(format));
 125    sv->TE_SAMPLER_CONFIG0_MASK = 0xffffffff;
 126
 127    switch (sv->base.target) {
 128    case PIPE_TEXTURE_1D:
 129       /* For 1D textures, we will have a height of 1, so we can use 2D
 130        * but set T wrap to repeat */
 131       sv->TE_SAMPLER_CONFIG0_MASK = ~VIVS_TE_SAMPLER_CONFIG0_VWRAP__MASK;
 132       sv->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_VWRAP(TEXTURE_WRAPMODE_REPEAT);
 133       /* fallthrough */
 134    case PIPE_TEXTURE_2D:
 135    case PIPE_TEXTURE_RECT:
 136       sv->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_TYPE(TEXTURE_TYPE_2D);
 137       break;
 138    case PIPE_TEXTURE_CUBE:
 139       sv->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_TYPE(TEXTURE_TYPE_CUBE_MAP);
 140       break;
 141    default:
 142       BUG("Unhandled texture target");
 143       free(sv);
 144       return NULL;
 145    }
 146
 147    if (res->addressing_mode == ETNA_ADDRESSING_MODE_LINEAR) {
 148       sv->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_ADDRESSING_MODE(TEXTURE_ADDRESSING_MODE_LINEAR);
 149
 150       for (int lod = 0; lod <= res->base.last_level; ++lod)
 151          sv->TE_SAMPLER_LINEAR_STRIDE[lod] = res->levels[lod].stride;
 152
 153    } else {
 154       sv->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_ADDRESSING_MODE(TEXTURE_ADDRESSING_MODE_TILED);
 155       memset(&sv->TE_SAMPLER_LINEAR_STRIDE, 0, sizeof(sv->TE_SAMPLER_LINEAR_STRIDE));
 156    }
 157
 158    sv->TE_SAMPLER_CONFIG1 |= COND(ext, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(format)) |
 159                              COND(astc, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(TEXTURE_FORMAT_EXT_ASTC)) |
 160                              VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign) | swiz;
 161    sv->TE_SAMPLER_ASTC0 = COND(astc, VIVS_NTE_SAMPLER_ASTC0_ASTC_FORMAT(format)) |
 162                           VIVS_NTE_SAMPLER_ASTC0_UNK8(0xc) |
 163                           VIVS_NTE_SAMPLER_ASTC0_UNK16(0xc) |
 164                           VIVS_NTE_SAMPLER_ASTC0_UNK24(0xc);
 165    sv->TE_SAMPLER_SIZE = VIVS_TE_SAMPLER_SIZE_WIDTH(res->base.width0) |
 166                          VIVS_TE_SAMPLER_SIZE_HEIGHT(res->base.height0);
 167    sv->TE_SAMPLER_LOG_SIZE =
 168       VIVS_TE_SAMPLER_LOG_SIZE_WIDTH(etna_log2_fixp55(res->base.width0)) |
 169       VIVS_TE_SAMPLER_LOG_SIZE_HEIGHT(etna_log2_fixp55(res->base.height0)) |
 170       COND(util_format_is_srgb(so->format) && !astc, VIVS_TE_SAMPLER_LOG_SIZE_SRGB) |
 171       COND(astc, VIVS_TE_SAMPLER_LOG_SIZE_ASTC);
 172
 173    /* Set up levels-of-detail */
 174    for (int lod = 0; lod <= res->base.last_level; ++lod) {
 175       sv->TE_SAMPLER_LOD_ADDR[lod].bo = res->bo;
 176       sv->TE_SAMPLER_LOD_ADDR[lod].offset = res->levels[lod].offset;
 177       sv->TE_SAMPLER_LOD_ADDR[lod].flags = ETNA_RELOC_READ;
 178    }
 179    sv->min_lod = sv->base.u.tex.first_level << 5;
 180    sv->max_lod = MIN2(sv->base.u.tex.last_level, res->base.last_level) << 5;
 181
 182    /* Workaround for npot textures -- it appears that only CLAMP_TO_EDGE is
 183     * supported when the appropriate capability is not set. */
 184    if (!ctx->specs.npot_tex_any_wrap &&
 185        (!util_is_power_of_two_or_zero(res->base.width0) ||
 186         !util_is_power_of_two_or_zero(res->base.height0))) {
 187       sv->TE_SAMPLER_CONFIG0_MASK = ~(VIVS_TE_SAMPLER_CONFIG0_UWRAP__MASK |
 188                                       VIVS_TE_SAMPLER_CONFIG0_VWRAP__MASK);
 189       sv->TE_SAMPLER_CONFIG0 |=
 190          VIVS_TE_SAMPLER_CONFIG0_UWRAP(TEXTURE_WRAPMODE_CLAMP_TO_EDGE) |
 191          VIVS_TE_SAMPLER_CONFIG0_VWRAP(TEXTURE_WRAPMODE_CLAMP_TO_EDGE);
 192    }
 193
 194    return &sv->base;
 195 }
 196
 197 static void
 198 etna_sampler_view_state_destroy(struct pipe_context *pctx,
 199                           struct pipe_sampler_view *view)
 200 {
 201    pipe_resource_reference(&view->texture, NULL);
 202    FREE(view);
 203 }
 204
 205 #define EMIT_STATE(state_name, src_value) \
 206    etna_coalsence_emit(stream, &coalesce, VIVS_##state_name, src_value)
 207
 208 #define EMIT_STATE_FIXP(state_name, src_value) \
 209    etna_coalsence_emit_fixp(stream, &coalesce, VIVS_##state_name, src_value)
 210
 211 #define EMIT_STATE_RELOC(state_name, src_value) \
 212    etna_coalsence_emit_reloc(stream, &coalesce, VIVS_##state_name, src_value)
 213
 214 /* Emit plain (non-descriptor) texture state */
 215 static void
 216 etna_emit_texture_state(struct etna_context *ctx)
 217 {
 218    struct etna_cmd_stream *stream = ctx->stream;
 219    uint32_t active_samplers = active_samplers_bits(ctx);
 220    uint32_t dirty = ctx->dirty;
 221    struct etna_coalesce coalesce;
 222
 223    etna_coalesce_start(stream, &coalesce);
 224
 225    if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
 226       for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
 227          if ((1 << x) & active_samplers) {
 228             struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
 229             /*01720*/ EMIT_STATE(TS_SAMPLER_CONFIG(x), sv->ts.TS_SAMPLER_CONFIG);
 230          }
 231       }
 232       for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
 233          if ((1 << x) & active_samplers) {
 234             struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
 235             /*01740*/ EMIT_STATE_RELOC(TS_SAMPLER_STATUS_BASE(x), &sv->ts.TS_SAMPLER_STATUS_BASE);
 236          }
 237       }
 238       for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
 239          if ((1 << x) & active_samplers) {
 240             struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
 241             /*01760*/ EMIT_STATE(TS_SAMPLER_CLEAR_VALUE(x), sv->ts.TS_SAMPLER_CLEAR_VALUE);
 242          }
 243       }
 244       for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
 245          if ((1 << x) & active_samplers) {
 246             struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
 247             /*01780*/ EMIT_STATE(TS_SAMPLER_CLEAR_VALUE2(x), sv->ts.TS_SAMPLER_CLEAR_VALUE2);
 248          }
 249       }
 250    }
 251    if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS | ETNA_DIRTY_SAMPLERS))) {
 252       for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
 253          uint32_t val = 0; /* 0 == sampler inactive */
 254
 255          /* set active samplers to their configuration value (determined by both
 256           * the sampler state and sampler view) */
 257          if ((1 << x) & active_samplers) {
 258             struct etna_sampler_state *ss = etna_sampler_state(ctx->sampler[x]);
 259             struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
 260
 261             val = (ss->TE_SAMPLER_CONFIG0 & sv->TE_SAMPLER_CONFIG0_MASK) |
 262                   sv->TE_SAMPLER_CONFIG0;
 263          }
 264
 265          /*02000*/ EMIT_STATE(TE_SAMPLER_CONFIG0(x), val);
 266       }
 267    }
 268    if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
 269       struct etna_sampler_view *sv;
 270
 271       for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
 272          if ((1 << x) & active_samplers) {
 273             sv = etna_sampler_view(ctx->sampler_view[x]);
 274             /*02040*/ EMIT_STATE(TE_SAMPLER_SIZE(x), sv->TE_SAMPLER_SIZE);
 275          }
 276       }
 277       for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
 278          if ((1 << x) & active_samplers) {
 279             sv = etna_sampler_view(ctx->sampler_view[x]);
 280             /*02080*/ EMIT_STATE(TE_SAMPLER_LOG_SIZE(x), sv->TE_SAMPLER_LOG_SIZE);
 281          }
 282       }
 283    }
 284    if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS | ETNA_DIRTY_SAMPLERS))) {
 285       struct etna_sampler_state *ss;
 286       struct etna_sampler_view *sv;
 287
 288       for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
 289          if ((1 << x) & active_samplers) {
 290             ss = etna_sampler_state(ctx->sampler[x]);
 291             sv = etna_sampler_view(ctx->sampler_view[x]);
 292
 293             unsigned max_lod = MAX2(MIN2(ss->max_lod, sv->max_lod), ss->max_lod_min);
 294
 295             /* min and max lod is determined both by the sampler and the view */
 296             /*020C0*/ EMIT_STATE(TE_SAMPLER_LOD_CONFIG(x),
 297                                  ss->TE_SAMPLER_LOD_CONFIG |
 298                                  VIVS_TE_SAMPLER_LOD_CONFIG_MAX(max_lod) |
 299                                  VIVS_TE_SAMPLER_LOD_CONFIG_MIN(MAX2(ss->min_lod, sv->min_lod)));
 300          }
 301       }
 302       for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
 303          if ((1 << x) & active_samplers) {
 304             ss = etna_sampler_state(ctx->sampler[x]);
 305             sv = etna_sampler_view(ctx->sampler_view[x]);
 306
 307             /*021C0*/ EMIT_STATE(TE_SAMPLER_CONFIG1(x), ss->TE_SAMPLER_CONFIG1 |
 308                                                         sv->TE_SAMPLER_CONFIG1 |
 309                                                         COND(sv->ts.enable, VIVS_TE_SAMPLER_CONFIG1_USE_TS));
 310          }
 311       }
 312    }
 313    if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
 314       for (int y = 0; y < VIVS_TE_SAMPLER_LOD_ADDR__LEN; ++y) {
 315          for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
 316             if ((1 << x) & active_samplers) {
 317                struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
 318                /*02400*/ EMIT_STATE_RELOC(TE_SAMPLER_LOD_ADDR(x, y),&sv->TE_SAMPLER_LOD_ADDR[y]);
 319             }
 320          }
 321       }
 322    }
 323    if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
 324       for (int y = 0; y < VIVS_TE_SAMPLER_LINEAR_STRIDE__LEN; ++y) {
 325          for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
 326             if ((1 << x) & active_samplers) {
 327                struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
 328                /*02C00*/ EMIT_STATE(TE_SAMPLER_LINEAR_STRIDE(x, y), sv->TE_SAMPLER_LINEAR_STRIDE[y]);
 329             }
 330          }
 331       }
 332    }
 333    if (unlikely(ctx->specs.tex_astc && (dirty & (ETNA_DIRTY_SAMPLER_VIEWS)))) {
 334       for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
 335          if ((1 << x) & active_samplers) {
 336             struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
 337             /*10500*/ EMIT_STATE(NTE_SAMPLER_ASTC0(x), sv->TE_SAMPLER_ASTC0);
 338          }
 339       }
 340    }
 341    etna_coalesce_end(stream, &coalesce);
 342 }
 343
 344 #undef EMIT_STATE
 345 #undef EMIT_STATE_FIXP
 346 #undef EMIT_STATE_RELOC
 347
 348 static struct etna_sampler_ts*
 349 etna_ts_for_sampler_view_state(struct pipe_sampler_view *pview)
 350 {
 351    struct etna_sampler_view *sv = etna_sampler_view(pview);
 352    return &sv->ts;
 353 }
 354
 355 void
 356 etna_texture_state_init(struct pipe_context *pctx)
 357 {
 358    struct etna_context *ctx = etna_context(pctx);
 359    DBG("etnaviv: Using state-based texturing");
 360    ctx->base.create_sampler_state = etna_create_sampler_state_state;
 361    ctx->base.delete_sampler_state = etna_delete_sampler_state_state;
 362    ctx->base.create_sampler_view = etna_create_sampler_view_state;
 363    ctx->base.sampler_view_destroy = etna_sampler_view_state_destroy;
 364    ctx->emit_texture_state = etna_emit_texture_state;
 365    ctx->ts_for_sampler_view = etna_ts_for_sampler_view_state;
 366 }