src/gallium/drivers/etnaviv/etnaviv_texture_desc.c

   1 /*
   2  * Copyright (c) 2017 Etnaviv Project
   3  * Copyright (C) 2017 Zodiac Inflight Innovations
   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, sub license,
   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
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the 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 NON-INFRINGEMENT. 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
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Wladimir J. van der Laan <laanwj@gmail.com>
  26  */
  27
  28 #include "etnaviv_texture_desc.h"
  29
  30 #include "hw/common.xml.h"
  31 #include "hw/texdesc_3d.xml.h"
  32
  33 #include "etnaviv_clear_blit.h"
  34 #include "etnaviv_context.h"
  35 #include "etnaviv_emit.h"
  36 #include "etnaviv_format.h"
  37 #include "etnaviv_translate.h"
  38 #include "etnaviv_texture.h"
  39 #include "util/u_inlines.h"
  40 #include "util/u_memory.h"
  41
  42 #include <drm_fourcc.h>
  43
  44 static void *
  45 etna_create_sampler_state_desc(struct pipe_context *pipe,
  46                           const struct pipe_sampler_state *ss)
  47 {
  48    struct etna_sampler_state_desc *cs = CALLOC_STRUCT(etna_sampler_state_desc);
  49
  50    if (!cs)
  51       return NULL;
  52
  53    cs->SAMP_CTRL0 =
  54       VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_UWRAP(translate_texture_wrapmode(ss->wrap_s)) |
  55       VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_VWRAP(translate_texture_wrapmode(ss->wrap_t)) |
  56       VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_WWRAP(translate_texture_wrapmode(ss->wrap_r)) |
  57       VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_MIN(translate_texture_filter(ss->min_img_filter)) |
  58       VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_MIP(translate_texture_mipfilter(ss->min_mip_filter)) |
  59       VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_MAG(translate_texture_filter(ss->mag_img_filter)) |
  60       VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_UNK21;
  61       /* no ROUND_UV bit? */
  62    cs->SAMP_CTRL1 = VIVS_NTE_DESCRIPTOR_SAMP_CTRL1_UNK1;
  63    uint32_t min_lod_fp8 = MIN2(etna_float_to_fixp88(ss->min_lod), 0xfff);
  64    uint32_t max_lod_fp8 = MIN2(etna_float_to_fixp88(ss->max_lod), 0xfff);
  65    uint32_t max_lod_min = ss->min_img_filter != ss->mag_img_filter ? 4 : 0;
  66
  67    if (ss->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
  68       cs->SAMP_LOD_MINMAX =
  69          VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MAX(MAX2(max_lod_fp8, max_lod_min)) |
  70          VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MIN(min_lod_fp8);
  71    } else {
  72       cs->SAMP_LOD_MINMAX =
  73          VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MAX(MAX2(max_lod_fp8, max_lod_min)) |
  74          VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MIN(min_lod_fp8);
  75    }
  76    cs->SAMP_LOD_BIAS =
  77       VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS_BIAS(etna_float_to_fixp88(ss->lod_bias)) |
  78       COND(ss->lod_bias != 0.0, VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS_ENABLE);
  79
  80    return cs;
  81 }
  82
  83 static void
  84 etna_delete_sampler_state_desc(struct pipe_context *pctx, void *ss)
  85 {
  86    FREE(ss);
  87 }
  88
  89 static struct pipe_sampler_view *
  90 etna_create_sampler_view_desc(struct pipe_context *pctx, struct pipe_resource *prsc,
  91                          const struct pipe_sampler_view *so)
  92 {
  93    struct etna_sampler_view_desc *sv = CALLOC_STRUCT(etna_sampler_view_desc);
  94    struct etna_context *ctx = etna_context(pctx);
  95    const uint32_t format = translate_texture_format(so->format);
  96    const bool ext = !!(format & EXT_FORMAT);
  97    const bool astc = !!(format & ASTC_FORMAT);
  98    const uint32_t swiz = get_texture_swiz(so->format, so->swizzle_r,
  99                                           so->swizzle_g, so->swizzle_b,
 100                                           so->swizzle_a);
 101
 102    if (!sv)
 103       return NULL;
 104
 105    struct etna_resource *res = etna_texture_handle_incompatible(pctx, prsc);
 106    if (!res) {
 107       free(sv);
 108       return NULL;
 109    }
 110
 111    sv->base = *so;
 112    pipe_reference_init(&sv->base.reference, 1);
 113    sv->base.texture = NULL;
 114    pipe_resource_reference(&sv->base.texture, prsc);
 115    sv->base.context = pctx;
 116
 117    /* Determine whether target supported */
 118    uint32_t target_hw = translate_texture_target(sv->base.target);
 119    if (target_hw == ETNA_NO_MATCH) {
 120       BUG("Unhandled texture target");
 121       free(sv);
 122       return NULL;
 123    }
 124
 125    /* Texture descriptor sampler bits */
 126    if (util_format_is_srgb(so->format))
 127       sv->SAMP_CTRL1 |= VIVS_NTE_DESCRIPTOR_SAMP_CTRL1_SRGB;
 128
 129    if (!util_format_is_float(so->format) && so->target != PIPE_TEXTURE_3D)
 130       sv->SAMP_CTRL0 |= VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_INT_FILTER;
 131
 132    /* Create texture descriptor */
 133    sv->bo = etna_bo_new(ctx->screen->dev, 0x100, DRM_ETNA_GEM_CACHE_WC);
 134    if (!sv->bo)
 135       goto error;
 136
 137    uint32_t *buf = etna_bo_map(sv->bo);
 138    etna_bo_cpu_prep(sv->bo, DRM_ETNA_PREP_WRITE);
 139    memset(buf, 0, 0x100);
 140
 141    /** GC7000 needs the size of the BASELOD level */
 142    uint32_t base_width = u_minify(res->base.width0, sv->base.u.tex.first_level);
 143    uint32_t base_height = u_minify(res->base.height0, sv->base.u.tex.first_level);
 144
 145 #define DESC_SET(x, y) buf[(TEXDESC_##x)>>2] = (y)
 146    DESC_SET(CONFIG0, COND(!ext && !astc, VIVS_TE_SAMPLER_CONFIG0_FORMAT(format))
 147                    | VIVS_TE_SAMPLER_CONFIG0_TYPE(target_hw) |
 148                    COND(res->layout == ETNA_LAYOUT_LINEAR && !util_format_is_compressed(so->format),
 149                         VIVS_TE_SAMPLER_CONFIG0_ADDRESSING_MODE(TEXTURE_ADDRESSING_MODE_LINEAR)));
 150    DESC_SET(CONFIG1, COND(ext, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(format)) |
 151                      COND(astc, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(TEXTURE_FORMAT_EXT_ASTC)) |
 152                             VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign) | swiz);
 153    DESC_SET(CONFIG2, 0x00030000);
 154    DESC_SET(LINEAR_STRIDE, res->levels[0].stride);
 155    DESC_SET(SLICE, res->levels[0].layer_stride);
 156    DESC_SET(3D_CONFIG, 0x00000001);
 157    DESC_SET(ASTC0, COND(astc, VIVS_NTE_SAMPLER_ASTC0_ASTC_FORMAT(format)) |
 158                    VIVS_NTE_SAMPLER_ASTC0_UNK8(0xc) |
 159                    VIVS_NTE_SAMPLER_ASTC0_UNK16(0xc) |
 160                    VIVS_NTE_SAMPLER_ASTC0_UNK24(0xc));
 161    DESC_SET(BASELOD, TEXDESC_BASELOD_BASELOD(sv->base.u.tex.first_level) |
 162                      TEXDESC_BASELOD_MAXLOD(MIN2(sv->base.u.tex.last_level, res->base.last_level)));
 163    DESC_SET(LOG_SIZE_EXT, TEXDESC_LOG_SIZE_EXT_WIDTH(etna_log2_fixp88(base_width)) |
 164                           TEXDESC_LOG_SIZE_EXT_HEIGHT(etna_log2_fixp88(base_height)));
 165    DESC_SET(SIZE, VIVS_TE_SAMPLER_SIZE_WIDTH(base_width) |
 166                   VIVS_TE_SAMPLER_SIZE_HEIGHT(base_height));
 167    for (int lod = 0; lod <= res->base.last_level; ++lod)
 168       DESC_SET(LOD_ADDR(lod), etna_bo_gpu_va(res->bo) + res->levels[lod].offset);
 169 #undef DESC_SET
 170
 171    etna_bo_cpu_fini(sv->bo);
 172
 173    sv->DESC_ADDR.bo = sv->bo;
 174    sv->DESC_ADDR.offset = 0;
 175    sv->DESC_ADDR.flags = ETNA_RELOC_READ;
 176
 177    return &sv->base;
 178 error:
 179    free(sv);
 180    return NULL;
 181 }
 182
 183 static void
 184 etna_sampler_view_update_descriptor(struct etna_context *ctx,
 185                                     struct etna_cmd_stream *stream,
 186                                     struct etna_sampler_view_desc *sv)
 187 {
 188    /* TODO: this should instruct the kernel to update the descriptor when the
 189     * bo is submitted. For now, just prevent the bo from being freed
 190     * while it is in use indirectly.
 191     */
 192    struct etna_resource *res = etna_resource(sv->base.texture);
 193    if (res->texture) {
 194       res = etna_resource(res->texture);
 195    }
 196    /* No need to ref LOD levels individually as they'll always come from the same bo */
 197    etna_cmd_stream_ref_bo(stream, res->bo, ETNA_RELOC_READ);
 198 }
 199
 200 static void
 201 etna_sampler_view_desc_destroy(struct pipe_context *pctx,
 202                           struct pipe_sampler_view *so)
 203 {
 204    struct etna_sampler_view_desc *sv = etna_sampler_view_desc(so);
 205    pipe_resource_reference(&sv->base.texture, NULL);
 206    etna_bo_del(sv->bo);
 207    FREE(sv);
 208 }
 209
 210 static void
 211 etna_emit_texture_desc(struct etna_context *ctx)
 212 {
 213    struct etna_cmd_stream *stream = ctx->stream;
 214    uint32_t active_samplers = active_samplers_bits(ctx);
 215    uint32_t dirty = ctx->dirty;
 216
 217    if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
 218       for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
 219          if ((1 << x) & active_samplers) {
 220             struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
 221             struct etna_resource *res = etna_resource(sv->base.texture);
 222             struct etna_reloc LOD_ADDR_0;
 223
 224             if (!sv->ts.enable)
 225                continue;
 226
 227             etna_set_state(stream, VIVS_TS_SAMPLER_CONFIG(x), sv->ts.TS_SAMPLER_CONFIG);
 228             etna_set_state_reloc(stream, VIVS_TS_SAMPLER_STATUS_BASE(x), &sv->ts.TS_SAMPLER_STATUS_BASE);
 229             etna_set_state(stream, VIVS_TS_SAMPLER_CLEAR_VALUE(x), sv->ts.TS_SAMPLER_CLEAR_VALUE);
 230             etna_set_state(stream, VIVS_TS_SAMPLER_CLEAR_VALUE2(x), sv->ts.TS_SAMPLER_CLEAR_VALUE2);
 231
 232             LOD_ADDR_0.bo = res->bo;
 233             LOD_ADDR_0.offset = res->levels[0].offset;
 234             LOD_ADDR_0.flags = ETNA_RELOC_READ;
 235
 236             etna_set_state_reloc(stream, VIVS_TS_SAMPLER_SURFACE_BASE(x), &LOD_ADDR_0);
 237          }
 238       }
 239    }
 240
 241    if (unlikely(dirty & (ETNA_DIRTY_SAMPLERS | ETNA_DIRTY_SAMPLER_VIEWS))) {
 242       for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
 243          if ((1 << x) & active_samplers) {
 244             struct etna_sampler_state_desc *ss = etna_sampler_state_desc(ctx->sampler[x]);
 245             struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
 246             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_TX_CTRL(x),
 247                COND(sv->ts.enable, VIVS_NTE_DESCRIPTOR_TX_CTRL_TS_ENABLE) |
 248                VIVS_NTE_DESCRIPTOR_TX_CTRL_TS_MODE(sv->ts.mode) |
 249                VIVS_NTE_DESCRIPTOR_TX_CTRL_TS_INDEX(x));
 250             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_CTRL0(x), ss->SAMP_CTRL0 | sv->SAMP_CTRL0);
 251             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_CTRL1(x), ss->SAMP_CTRL1 | sv->SAMP_CTRL1);
 252             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX(x), ss->SAMP_LOD_MINMAX);
 253             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS(x), ss->SAMP_LOD_BIAS);
 254          }
 255       }
 256    }
 257
 258    if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
 259       /* Set texture descriptors */
 260       for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
 261          if ((1 << x) & ctx->dirty_sampler_views) {
 262             if ((1 << x) & active_samplers) {
 263                struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
 264                etna_sampler_view_update_descriptor(ctx, stream, sv);
 265                etna_set_state_reloc(stream, VIVS_NTE_DESCRIPTOR_ADDR(x), &sv->DESC_ADDR);
 266             } else {
 267                /* dummy texture descriptors for unused samplers */
 268                etna_set_state_reloc(stream, VIVS_NTE_DESCRIPTOR_ADDR(x), &ctx->DUMMY_DESC_ADDR);
 269             }
 270          }
 271       }
 272    }
 273
 274    if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
 275       /* Invalidate all dirty sampler views.
 276        */
 277       for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
 278          if ((1 << x) & ctx->dirty_sampler_views) {
 279             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_INVALIDATE,
 280                   VIVS_NTE_DESCRIPTOR_INVALIDATE_UNK29 |
 281                   VIVS_NTE_DESCRIPTOR_INVALIDATE_IDX(x));
 282          }
 283       }
 284    }
 285 }
 286
 287 static struct etna_sampler_ts*
 288 etna_ts_for_sampler_view_state(struct pipe_sampler_view *pview)
 289 {
 290    struct etna_sampler_view_desc *sv = etna_sampler_view_desc(pview);
 291    return &sv->ts;
 292 }
 293
 294 void
 295 etna_texture_desc_init(struct pipe_context *pctx)
 296 {
 297    struct etna_context *ctx = etna_context(pctx);
 298    DBG("etnaviv: Using descriptor-based texturing\n");
 299    ctx->base.create_sampler_state = etna_create_sampler_state_desc;
 300    ctx->base.delete_sampler_state = etna_delete_sampler_state_desc;
 301    ctx->base.create_sampler_view = etna_create_sampler_view_desc;
 302    ctx->base.sampler_view_destroy = etna_sampler_view_desc_destroy;
 303    ctx->emit_texture_state = etna_emit_texture_desc;
 304    ctx->ts_for_sampler_view = etna_ts_for_sampler_view_state;
 305 }
 306