src/freedreno/vulkan/tu_blit.c

   1 /*
   2  * Copyright © 2019 Valve Corporation
   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, sublicense,
   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 next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * 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 NONINFRINGEMENT.  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 DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Jonathan Marek <jonathan@marek.ca>
  25  *
  26  */
  27
  28 #include "tu_blit.h"
  29
  30 #include "a6xx.xml.h"
  31 #include "adreno_common.xml.h"
  32 #include "adreno_pm4.xml.h"
  33
  34 #include "vk_format.h"
  35
  36 #include "tu_cs.h"
  37
  38 /* TODO:
  39  *   - Avoid disabling tiling for swapped formats
  40  *     (image_to_image copy doesn't deal with it)
  41  *   - Fix d24_unorm_s8_uint support & aspects
  42  *   - UBWC
  43  */
  44
  45 static VkFormat
  46 blit_copy_format(VkFormat format)
  47 {
  48    switch (vk_format_get_blocksizebits(format)) {
  49    case 8:  return VK_FORMAT_R8_UINT;
  50    case 16: return VK_FORMAT_R16_UINT;
  51    case 32: return VK_FORMAT_R32_UINT;
  52    case 64: return VK_FORMAT_R32G32_UINT;
  53    case 96: return VK_FORMAT_R32G32B32_UINT;
  54    case 128:return VK_FORMAT_R32G32B32A32_UINT;
  55    default:
  56       unreachable("unhandled format size");
  57    }
  58 }
  59
  60 static uint32_t
  61 blit_image_info(const struct tu_blit_surf *img, bool src, bool stencil_read)
  62 {
  63    const struct tu_native_format *fmt = tu6_get_native_format(img->fmt);
  64    enum a6xx_color_fmt rb = fmt->rb;
  65    enum a3xx_color_swap swap = img->tiled ? WZYX : fmt->swap;
  66    if (rb == RB6_R10G10B10A2_UNORM && src)
  67       rb = RB6_R10G10B10A2_FLOAT16;
  68    if (rb == RB6_Z24_UNORM_S8_UINT)
  69       rb = RB6_Z24_UNORM_S8_UINT_AS_R8G8B8A8;
  70
  71    if (stencil_read)
  72       swap = XYZW;
  73
  74    return A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(rb) |
  75           A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(img->tile_mode) |
  76           A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(swap) |
  77           COND(vk_format_is_srgb(img->fmt), A6XX_SP_PS_2D_SRC_INFO_SRGB) |
  78           COND(img->ubwc_size, A6XX_SP_PS_2D_SRC_INFO_FLAGS);
  79 }
  80
  81 static void
  82 emit_blit_step(struct tu_cmd_buffer *cmdbuf, const struct tu_blit *blt)
  83 {
  84    struct tu_cs *cs = &cmdbuf->cs;
  85
  86    tu_cs_reserve_space(cmdbuf->device, cs, 66);
  87
  88    enum a6xx_color_fmt fmt = tu6_get_native_format(blt->dst.fmt)->rb;
  89    if (fmt == RB6_Z24_UNORM_S8_UINT)
  90       fmt = RB6_Z24_UNORM_S8_UINT_AS_R8G8B8A8;
  91
  92    enum a6xx_2d_ifmt ifmt = tu6_rb_fmt_to_ifmt(fmt);
  93
  94    if (vk_format_is_srgb(blt->dst.fmt)) {
  95       assert(ifmt == R2D_UNORM8);
  96       ifmt = R2D_UNORM8_SRGB;
  97    }
  98
  99    uint32_t blit_cntl = A6XX_RB_2D_BLIT_CNTL_ROTATE(blt->rotation) |
 100                         COND(blt->type == TU_BLIT_CLEAR, A6XX_RB_2D_BLIT_CNTL_SOLID_COLOR) |
 101                         A6XX_RB_2D_BLIT_CNTL_COLOR_FORMAT(fmt) | /* not required? */
 102                         COND(fmt == RB6_Z24_UNORM_S8_UINT_AS_R8G8B8A8, A6XX_RB_2D_BLIT_CNTL_D24S8) |
 103                         A6XX_RB_2D_BLIT_CNTL_MASK(0xf) |
 104                         A6XX_RB_2D_BLIT_CNTL_IFMT(ifmt);
 105
 106    tu_cs_emit_pkt4(&cmdbuf->cs, REG_A6XX_RB_2D_BLIT_CNTL, 1);
 107    tu_cs_emit(&cmdbuf->cs, blit_cntl);
 108
 109    tu_cs_emit_pkt4(&cmdbuf->cs, REG_A6XX_GRAS_2D_BLIT_CNTL, 1);
 110    tu_cs_emit(&cmdbuf->cs, blit_cntl);
 111
 112    /*
 113     * Emit source:
 114     */
 115    if (blt->type == TU_BLIT_CLEAR) {
 116       tu_cs_emit_pkt4(cs, REG_A6XX_RB_2D_SRC_SOLID_C0, 4);
 117       tu_cs_emit(cs, blt->clear_value[0]);
 118       tu_cs_emit(cs, blt->clear_value[1]);
 119       tu_cs_emit(cs, blt->clear_value[2]);
 120       tu_cs_emit(cs, blt->clear_value[3]);
 121    } else {
 122       tu_cs_emit_pkt4(cs, REG_A6XX_SP_PS_2D_SRC_INFO, 10);
 123       tu_cs_emit(cs, blit_image_info(&blt->src, true, blt->stencil_read) |
 124                      A6XX_SP_PS_2D_SRC_INFO_SAMPLES(tu_msaa_samples(blt->src.samples)) |
 125                      /* TODO: should disable this bit for integer formats ? */
 126                      COND(blt->src.samples > 1, A6XX_SP_PS_2D_SRC_INFO_SAMPLES_AVERAGE) |
 127                      COND(blt->filter, A6XX_SP_PS_2D_SRC_INFO_FILTER) |
 128                      0x500000);
 129       tu_cs_emit(cs, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(blt->src.x + blt->src.width) |
 130                      A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(blt->src.y + blt->src.height));
 131       tu_cs_emit_qw(cs, blt->src.va);
 132       tu_cs_emit(cs, A6XX_SP_PS_2D_SRC_PITCH_PITCH(blt->src.pitch));
 133
 134       tu_cs_emit(cs, 0x00000000);
 135       tu_cs_emit(cs, 0x00000000);
 136       tu_cs_emit(cs, 0x00000000);
 137       tu_cs_emit(cs, 0x00000000);
 138       tu_cs_emit(cs, 0x00000000);
 139
 140       if (blt->src.ubwc_size) {
 141          tu_cs_emit_pkt4(cs, REG_A6XX_SP_PS_2D_SRC_FLAGS_LO, 6);
 142          tu_cs_emit_qw(cs, blt->src.ubwc_va);
 143          tu_cs_emit(cs, A6XX_SP_PS_2D_SRC_FLAGS_PITCH_PITCH(blt->src.ubwc_pitch) |
 144             A6XX_SP_PS_2D_SRC_FLAGS_PITCH_ARRAY_PITCH(blt->src.ubwc_size >> 2));
 145          tu_cs_emit(cs, 0x00000000);
 146          tu_cs_emit(cs, 0x00000000);
 147          tu_cs_emit(cs, 0x00000000);
 148       }
 149    }
 150
 151    /*
 152     * Emit destination:
 153     */
 154    tu_cs_emit_pkt4(cs, REG_A6XX_RB_2D_DST_INFO, 9);
 155    tu_cs_emit(cs, blit_image_info(&blt->dst, false, false));
 156    tu_cs_emit_qw(cs, blt->dst.va);
 157    tu_cs_emit(cs, A6XX_RB_2D_DST_SIZE_PITCH(blt->dst.pitch));
 158    tu_cs_emit(cs, 0x00000000);
 159    tu_cs_emit(cs, 0x00000000);
 160    tu_cs_emit(cs, 0x00000000);
 161    tu_cs_emit(cs, 0x00000000);
 162    tu_cs_emit(cs, 0x00000000);
 163
 164    if (blt->dst.ubwc_size) {
 165       tu_cs_emit_pkt4(cs, REG_A6XX_RB_2D_DST_FLAGS_LO, 6);
 166       tu_cs_emit_qw(cs, blt->dst.ubwc_va);
 167       tu_cs_emit(cs, A6XX_RB_2D_DST_FLAGS_PITCH_PITCH(blt->dst.ubwc_pitch) |
 168          A6XX_RB_2D_DST_FLAGS_PITCH_ARRAY_PITCH(blt->dst.ubwc_size >> 2));
 169       tu_cs_emit(cs, 0x00000000);
 170       tu_cs_emit(cs, 0x00000000);
 171       tu_cs_emit(cs, 0x00000000);
 172    }
 173
 174    tu_cs_emit_pkt4(cs, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
 175    tu_cs_emit(cs, A6XX_GRAS_2D_SRC_TL_X_X(blt->src.x));
 176    tu_cs_emit(cs, A6XX_GRAS_2D_SRC_BR_X_X(blt->src.x + blt->src.width - 1));
 177    tu_cs_emit(cs, A6XX_GRAS_2D_SRC_TL_Y_Y(blt->src.y));
 178    tu_cs_emit(cs, A6XX_GRAS_2D_SRC_BR_Y_Y(blt->src.y + blt->src.height - 1));
 179
 180    tu_cs_emit_pkt4(cs, REG_A6XX_GRAS_2D_DST_TL, 2);
 181    tu_cs_emit(cs, A6XX_GRAS_2D_DST_TL_X(blt->dst.x) |
 182                   A6XX_GRAS_2D_DST_TL_Y(blt->dst.y));
 183    tu_cs_emit(cs, A6XX_GRAS_2D_DST_BR_X(blt->dst.x + blt->dst.width - 1) |
 184                   A6XX_GRAS_2D_DST_BR_Y(blt->dst.y + blt->dst.height - 1));
 185
 186    tu_cs_emit_pkt7(cs, CP_EVENT_WRITE, 1);
 187    tu_cs_emit(cs, 0x3f);
 188    tu_cs_emit_wfi(cs);
 189
 190    tu_cs_emit_pkt4(cs, REG_A6XX_RB_UNKNOWN_8C01, 1);
 191    tu_cs_emit(cs, 0);
 192
 193    if (fmt == RB6_R10G10B10A2_UNORM)
 194       fmt = RB6_R16G16B16A16_FLOAT;
 195
 196    tu_cs_emit_pkt4(cs, REG_A6XX_SP_2D_SRC_FORMAT, 1);
 197    tu_cs_emit(cs, COND(vk_format_is_sint(blt->src.fmt), A6XX_SP_2D_SRC_FORMAT_SINT) |
 198                   COND(vk_format_is_uint(blt->src.fmt), A6XX_SP_2D_SRC_FORMAT_UINT) |
 199                   A6XX_SP_2D_SRC_FORMAT_COLOR_FORMAT(fmt) |
 200                   COND(ifmt == R2D_UNORM8_SRGB, A6XX_SP_2D_SRC_FORMAT_SRGB) |
 201                   A6XX_SP_2D_SRC_FORMAT_MASK(0xf));
 202
 203    tu_cs_emit_pkt4(cs, REG_A6XX_RB_UNKNOWN_8E04, 1);
 204    tu_cs_emit(cs, 0x01000000);
 205
 206    tu_cs_emit_pkt7(cs, CP_BLIT, 1);
 207    tu_cs_emit(cs, CP_BLIT_0_OP(BLIT_OP_SCALE));
 208
 209    tu_cs_emit_wfi(cs);
 210
 211    tu_cs_emit_pkt4(cs, REG_A6XX_RB_UNKNOWN_8E04, 1);
 212    tu_cs_emit(cs, 0);
 213 }
 214
 215 void tu_blit(struct tu_cmd_buffer *cmdbuf, struct tu_blit *blt)
 216 {
 217    switch (blt->type) {
 218    case TU_BLIT_COPY:
 219       blt->stencil_read =
 220          blt->dst.fmt == VK_FORMAT_R8_UNORM &&
 221          blt->src.fmt == VK_FORMAT_D24_UNORM_S8_UINT;
 222
 223       assert(vk_format_get_blocksize(blt->dst.fmt) ==
 224              vk_format_get_blocksize(blt->src.fmt) || blt->stencil_read);
 225       assert(blt->src.samples == blt->dst.samples);
 226
 227       if (vk_format_is_compressed(blt->src.fmt)) {
 228          unsigned block_width = vk_format_get_blockwidth(blt->src.fmt);
 229          unsigned block_height = vk_format_get_blockheight(blt->src.fmt);
 230
 231          blt->src.pitch /= block_width;
 232          blt->src.x /= block_width;
 233          blt->src.y /= block_height;
 234          blt->src.fmt = blit_copy_format(blt->src.fmt);
 235
 236          /* for image_to_image copy, width/height is on the src format */
 237          blt->dst.width = blt->src.width = DIV_ROUND_UP(blt->src.width, block_width);
 238          blt->dst.height = blt->src.height = DIV_ROUND_UP(blt->src.height, block_height);
 239       }
 240
 241       if (vk_format_is_compressed(blt->dst.fmt)) {
 242          unsigned block_width = vk_format_get_blockwidth(blt->dst.fmt);
 243          unsigned block_height = vk_format_get_blockheight(blt->dst.fmt);
 244
 245          blt->dst.pitch /= block_width;
 246          blt->dst.x /= block_width;
 247          blt->dst.y /= block_height;
 248          blt->dst.fmt = blit_copy_format(blt->dst.fmt);
 249       }
 250
 251       if (blt->dst.fmt == VK_FORMAT_E5B9G9R9_UFLOAT_PACK32)
 252          blt->dst.fmt = blit_copy_format(blt->dst.fmt);
 253
 254       if (blt->src.fmt == VK_FORMAT_E5B9G9R9_UFLOAT_PACK32)
 255          blt->src.fmt = blit_copy_format(blt->src.fmt);
 256
 257       /* TODO: multisample image copy does not work correctly with tiling/UBWC */
 258       blt->src.x *= blt->src.samples;
 259       blt->dst.x *= blt->dst.samples;
 260       blt->src.width *= blt->src.samples;
 261       blt->dst.width *= blt->dst.samples;
 262       blt->src.samples = 1;
 263       blt->dst.samples = 1;
 264       break;
 265    case TU_BLIT_CLEAR:
 266       /* unsupported format cleared as UINT32 */
 267       if (blt->dst.fmt == VK_FORMAT_E5B9G9R9_UFLOAT_PACK32)
 268          blt->dst.fmt = VK_FORMAT_R32_UINT;
 269       assert(blt->dst.samples == 1); /* TODO */
 270       blt->src = blt->dst;
 271       break;
 272    default:
 273       assert(blt->dst.samples == 1);
 274    }
 275
 276    tu_cs_reserve_space(cmdbuf->device, &cmdbuf->cs, 18);
 277
 278    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, LRZ_FLUSH, false);
 279    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, 0x1d, true);
 280    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, FACENESS_FLUSH, true);
 281    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, PC_CCU_INVALIDATE_COLOR, false);
 282    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, PC_CCU_INVALIDATE_DEPTH, false);
 283
 284    /* buffer copy setup */
 285    tu_cs_emit_pkt7(&cmdbuf->cs, CP_SET_MARKER, 1);
 286    tu_cs_emit(&cmdbuf->cs, A6XX_CP_SET_MARKER_0_MODE(RM6_BLIT2DSCALE));
 287
 288    for (unsigned layer = 0; layer < blt->layers; layer++) {
 289       if (blt->buffer) {
 290          struct tu_blit line_blt = *blt;
 291          uint64_t dst_va = line_blt.dst.va, src_va = line_blt.src.va;
 292          unsigned blocksize = vk_format_get_blocksize(blt->src.fmt);
 293          uint32_t size = line_blt.src.width, tmp;
 294
 295          while (size) {
 296             line_blt.src.x = (src_va & 63) / blocksize;
 297             line_blt.src.va = src_va & ~63;
 298             tmp = MIN2(size, 0x4000 - line_blt.src.x);
 299
 300             line_blt.dst.x = (dst_va & 63) / blocksize;
 301             line_blt.dst.va = dst_va & ~63;
 302             tmp = MIN2(tmp, 0x4000 - line_blt.dst.x);
 303
 304             line_blt.src.width = line_blt.dst.width = tmp;
 305
 306             emit_blit_step(cmdbuf, &line_blt);
 307
 308             src_va += tmp * blocksize;
 309             dst_va += tmp * blocksize;
 310             size -= tmp;
 311          }
 312       } else if ((blt->src.va & 63) || (blt->src.pitch & 63)) {
 313          /* per line copy path (buffer_to_image) */
 314          assert(blt->type == TU_BLIT_COPY && !blt->src.tiled);
 315          struct tu_blit line_blt = *blt;
 316          uint64_t src_va = line_blt.src.va + blt->src.pitch * blt->src.y;
 317
 318          line_blt.src.y = 0;
 319          line_blt.src.pitch = 0;
 320          line_blt.src.height = 1;
 321          line_blt.dst.height = 1;
 322
 323          for (unsigned y = 0; y < blt->src.height; y++) {
 324             line_blt.src.x = blt->src.x + (src_va & 63) / vk_format_get_blocksize(blt->src.fmt);
 325             line_blt.src.va = src_va & ~63;
 326
 327             emit_blit_step(cmdbuf, &line_blt);
 328
 329             line_blt.dst.y++;
 330             src_va += blt->src.pitch;
 331          }
 332       } else if ((blt->dst.va & 63) || (blt->dst.pitch & 63)) {
 333          /* per line copy path (image_to_buffer) */
 334          assert(blt->type == TU_BLIT_COPY && !blt->dst.tiled);
 335          struct tu_blit line_blt = *blt;
 336          uint64_t dst_va = line_blt.dst.va + blt->dst.pitch * blt->dst.y;
 337
 338          line_blt.dst.y = 0;
 339          line_blt.dst.pitch = 0;
 340          line_blt.src.height = 1;
 341          line_blt.dst.height = 1;
 342
 343          for (unsigned y = 0; y < blt->src.height; y++) {
 344             line_blt.dst.x = blt->dst.x + (dst_va & 63) / vk_format_get_blocksize(blt->dst.fmt);
 345             line_blt.dst.va = dst_va & ~63;
 346
 347             emit_blit_step(cmdbuf, &line_blt);
 348
 349             line_blt.src.y++;
 350             dst_va += blt->dst.pitch;
 351          }
 352       } else {
 353          emit_blit_step(cmdbuf, blt);
 354       }
 355       blt->dst.va += blt->dst.layer_size;
 356       blt->src.va += blt->src.layer_size;
 357       blt->dst.ubwc_va += blt->dst.ubwc_size;
 358       blt->src.ubwc_va += blt->src.ubwc_size;
 359    }
 360
 361    tu_cs_reserve_space(cmdbuf->device, &cmdbuf->cs, 17);
 362
 363    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, 0x1d, true);
 364    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, FACENESS_FLUSH, true);
 365    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, CACHE_FLUSH_TS, true);
 366    tu6_emit_event_write(cmdbuf, &cmdbuf->cs, CACHE_INVALIDATE, false);
 367 }