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    if (ss->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
  66       cs->SAMP_LOD_MINMAX =
  67          VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MAX(max_lod_fp8) |
  68          VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MIN(min_lod_fp8);
  69    } else {
  70       cs->SAMP_LOD_MINMAX =
  71          VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MAX(min_lod_fp8) |
  72          VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MIN(min_lod_fp8);
  73    }
  74    cs->SAMP_LOD_BIAS =
  75       VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS_BIAS(etna_float_to_fixp88(ss->lod_bias)) |
  76       COND(ss->lod_bias != 0.0, VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS_ENABLE);
  77
  78    return cs;
  79 }
  80
  81 static void
  82 etna_delete_sampler_state_desc(struct pipe_context *pctx, void *ss)
  83 {
  84    FREE(ss);
  85 }
  86
  87 static struct pipe_sampler_view *
  88 etna_create_sampler_view_desc(struct pipe_context *pctx, struct pipe_resource *prsc,
  89                          const struct pipe_sampler_view *so)
  90 {
  91    struct etna_sampler_view_desc *sv = CALLOC_STRUCT(etna_sampler_view_desc);
  92    struct etna_context *ctx = etna_context(pctx);
  93    const uint32_t format = translate_texture_format(so->format);
  94    const bool ext = !!(format & EXT_FORMAT);
  95    const bool astc = !!(format & ASTC_FORMAT);
  96    const uint32_t swiz = get_texture_swiz(so->format, so->swizzle_r,
  97                                           so->swizzle_g, so->swizzle_b,
  98                                           so->swizzle_a);
  99
 100    if (!sv)
 101       return NULL;
 102
 103    struct etna_resource *res = etna_texture_handle_incompatible(pctx, prsc);
 104    if (!res) {
 105       free(sv);
 106       return NULL;
 107    }
 108
 109    sv->base = *so;
 110    pipe_reference_init(&sv->base.reference, 1);
 111    sv->base.texture = NULL;
 112    pipe_resource_reference(&sv->base.texture, prsc);
 113    sv->base.context = pctx;
 114
 115    /* Determine whether target supported */
 116    uint32_t target_hw = translate_texture_target(sv->base.target);
 117    if (target_hw == ETNA_NO_MATCH) {
 118       BUG("Unhandled texture target");
 119       free(sv);
 120       return NULL;
 121    }
 122
 123    /* Texture descriptor sampler bits */
 124    if (util_format_is_srgb(so->format))
 125       sv->SAMP_CTRL1 |= VIVS_NTE_DESCRIPTOR_SAMP_CTRL1_SRGB;
 126
 127    if (!util_format_is_float(so->format) && so->target != PIPE_TEXTURE_3D)
 128       sv->SAMP_CTRL0 |= VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_INT_FILTER;
 129
 130    /* Create texture descriptor */
 131    sv->bo = etna_bo_new(ctx->screen->dev, 0x100, DRM_ETNA_GEM_CACHE_WC);
 132    if (!sv->bo)
 133       goto error;
 134
 135    uint32_t *buf = etna_bo_map(sv->bo);
 136    etna_bo_cpu_prep(sv->bo, DRM_ETNA_PREP_WRITE);
 137    memset(buf, 0, 0x100);
 138
 139    /** GC7000 needs the size of the BASELOD level */
 140    uint32_t base_width = u_minify(res->base.width0, sv->base.u.tex.first_level);
 141    uint32_t base_height = u_minify(res->base.height0, sv->base.u.tex.first_level);
 142
 143 #define DESC_SET(x, y) buf[(TEXDESC_##x)>>2] = (y)
 144    DESC_SET(CONFIG0, COND(!ext && !astc, VIVS_TE_SAMPLER_CONFIG0_FORMAT(format))
 145                    | VIVS_TE_SAMPLER_CONFIG0_TYPE(target_hw));
 146    DESC_SET(CONFIG1, COND(ext, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(format)) |
 147                      COND(astc, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(TEXTURE_FORMAT_EXT_ASTC)) |
 148                             VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign) | swiz);
 149    DESC_SET(CONFIG2, 0x00030000);
 150    DESC_SET(LINEAR_STRIDE, res->levels[0].stride);
 151    DESC_SET(SLICE, res->levels[0].layer_stride);
 152    DESC_SET(3D_CONFIG, 0x00000001);
 153    DESC_SET(ASTC0, COND(astc, VIVS_NTE_SAMPLER_ASTC0_ASTC_FORMAT(format)) |
 154                    VIVS_NTE_SAMPLER_ASTC0_UNK8(0xc) |
 155                    VIVS_NTE_SAMPLER_ASTC0_UNK16(0xc) |
 156                    VIVS_NTE_SAMPLER_ASTC0_UNK24(0xc));
 157    DESC_SET(BASELOD, TEXDESC_BASELOD_BASELOD(sv->base.u.tex.first_level) |
 158                      TEXDESC_BASELOD_MAXLOD(MIN2(sv->base.u.tex.last_level, res->base.last_level)));
 159    DESC_SET(LOG_SIZE_EXT, TEXDESC_LOG_SIZE_EXT_WIDTH(etna_log2_fixp88(base_width)) |
 160                           TEXDESC_LOG_SIZE_EXT_HEIGHT(etna_log2_fixp88(base_height)));
 161    DESC_SET(SIZE, VIVS_TE_SAMPLER_SIZE_WIDTH(base_width) |
 162                   VIVS_TE_SAMPLER_SIZE_HEIGHT(base_height));
 163    for (int lod = 0; lod <= res->base.last_level; ++lod)
 164       DESC_SET(LOD_ADDR(lod), etna_bo_gpu_va(res->bo) + res->levels[lod].offset);
 165 #undef DESC_SET
 166
 167    etna_bo_cpu_fini(sv->bo);
 168
 169    sv->DESC_ADDR.bo = sv->bo;
 170    sv->DESC_ADDR.offset = 0;
 171    sv->DESC_ADDR.flags = ETNA_RELOC_READ;
 172
 173    return &sv->base;
 174 error:
 175    free(sv);
 176    return NULL;
 177 }
 178
 179 static void
 180 etna_sampler_view_update_descriptor(struct etna_context *ctx,
 181                                     struct etna_cmd_stream *stream,
 182                                     struct etna_sampler_view_desc *sv)
 183 {
 184    /* TODO: this should instruct the kernel to update the descriptor when the
 185     * bo is submitted. For now, just prevent the bo from being freed
 186     * while it is in use indirectly.
 187     */
 188    struct etna_resource *res = etna_resource(sv->base.texture);
 189    if (res->texture) {
 190       res = etna_resource(res->texture);
 191    }
 192    /* No need to ref LOD levels individually as they'll always come from the same bo */
 193    etna_cmd_stream_ref_bo(stream, res->bo, ETNA_RELOC_READ);
 194 }
 195
 196 static void
 197 etna_sampler_view_desc_destroy(struct pipe_context *pctx,
 198                           struct pipe_sampler_view *so)
 199 {
 200    struct etna_sampler_view_desc *sv = etna_sampler_view_desc(so);
 201    pipe_resource_reference(&sv->base.texture, NULL);
 202    etna_bo_del(sv->bo);
 203    FREE(sv);
 204 }
 205
 206 static void
 207 etna_emit_texture_desc(struct etna_context *ctx)
 208 {
 209    struct etna_cmd_stream *stream = ctx->stream;
 210    uint32_t active_samplers = active_samplers_bits(ctx);
 211    uint32_t dirty = ctx->dirty;
 212
 213    if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
 214       for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
 215          if ((1 << x) & active_samplers) {
 216             struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
 217             struct etna_resource *res = etna_resource(sv->base.texture);
 218             struct etna_reloc LOD_ADDR_0;
 219
 220             if (!sv->ts.enable)
 221                continue;
 222
 223             etna_set_state(stream, VIVS_TS_SAMPLER_CONFIG(x), sv->ts.TS_SAMPLER_CONFIG);
 224             etna_set_state_reloc(stream, VIVS_TS_SAMPLER_STATUS_BASE(x), &sv->ts.TS_SAMPLER_STATUS_BASE);
 225             etna_set_state(stream, VIVS_TS_SAMPLER_CLEAR_VALUE(x), sv->ts.TS_SAMPLER_CLEAR_VALUE);
 226             etna_set_state(stream, VIVS_TS_SAMPLER_CLEAR_VALUE2(x), sv->ts.TS_SAMPLER_CLEAR_VALUE2);
 227
 228             LOD_ADDR_0.bo = res->bo;
 229             LOD_ADDR_0.offset = res->levels[0].offset;
 230             LOD_ADDR_0.flags = ETNA_RELOC_READ;
 231
 232             etna_set_state_reloc(stream, VIVS_TS_SAMPLER_SURFACE_BASE(x), &LOD_ADDR_0);
 233          }
 234       }
 235    }
 236
 237    if (unlikely(dirty & (ETNA_DIRTY_SAMPLERS | ETNA_DIRTY_SAMPLER_VIEWS))) {
 238       for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
 239          if ((1 << x) & active_samplers) {
 240             struct etna_sampler_state_desc *ss = etna_sampler_state_desc(ctx->sampler[x]);
 241             struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
 242             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_TX_CTRL(x),
 243                COND(sv->ts.enable, VIVS_NTE_DESCRIPTOR_TX_CTRL_TS_ENABLE) |
 244                VIVS_NTE_DESCRIPTOR_TX_CTRL_TS_MODE(sv->ts.mode));
 245             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_CTRL0(x), ss->SAMP_CTRL0 | sv->SAMP_CTRL0);
 246             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_CTRL1(x), ss->SAMP_CTRL1 | sv->SAMP_CTRL1);
 247             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX(x), ss->SAMP_LOD_MINMAX);
 248             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS(x), ss->SAMP_LOD_BIAS);
 249          }
 250       }
 251    }
 252
 253    if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
 254       /* Set texture descriptors */
 255       for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
 256          if ((1 << x) & ctx->dirty_sampler_views) {
 257             if ((1 << x) & active_samplers) {
 258                struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
 259                etna_sampler_view_update_descriptor(ctx, stream, sv);
 260                etna_set_state_reloc(stream, VIVS_NTE_DESCRIPTOR_ADDR(x), &sv->DESC_ADDR);
 261             } else {
 262                /* dummy texture descriptors for unused samplers */
 263                etna_set_state_reloc(stream, VIVS_NTE_DESCRIPTOR_ADDR(x), &ctx->DUMMY_DESC_ADDR);
 264             }
 265          }
 266       }
 267    }
 268
 269    if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
 270       /* Invalidate all dirty sampler views.
 271        */
 272       for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
 273          if ((1 << x) & ctx->dirty_sampler_views) {
 274             etna_set_state(stream, VIVS_NTE_DESCRIPTOR_INVALIDATE,
 275                   VIVS_NTE_DESCRIPTOR_INVALIDATE_UNK29 |
 276                   VIVS_NTE_DESCRIPTOR_INVALIDATE_IDX(x));
 277          }
 278       }
 279    }
 280 }
 281
 282 static struct etna_sampler_ts*
 283 etna_ts_for_sampler_view_state(struct pipe_sampler_view *pview)
 284 {
 285    struct etna_sampler_view_desc *sv = etna_sampler_view_desc(pview);
 286    return &sv->ts;
 287 }
 288
 289 void
 290 etna_texture_desc_init(struct pipe_context *pctx)
 291 {
 292    struct etna_context *ctx = etna_context(pctx);
 293    DBG("etnaviv: Using descriptor-based texturing\n");
 294    ctx->base.create_sampler_state = etna_create_sampler_state_desc;
 295    ctx->base.delete_sampler_state = etna_delete_sampler_state_desc;
 296    ctx->base.create_sampler_view = etna_create_sampler_view_desc;
 297    ctx->base.sampler_view_destroy = etna_sampler_view_desc_destroy;
 298    ctx->emit_texture_state = etna_emit_texture_desc;
 299    ctx->ts_for_sampler_view = etna_ts_for_sampler_view_state;
 300 }
 301