src/gallium/drivers/freedreno/a6xx/fd6_blitter.c

   1 /*
   2  * Copyright (C) 2017 Rob Clark <robclark@freedesktop.org>
   3  * Copyright © 2018 Google, Inc.
   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, sublicense,
   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 next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * 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 NONINFRINGEMENT.  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 FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  * Authors:
  25  *    Rob Clark <robclark@freedesktop.org>
  26  */
  27
  28 #include "util/u_dump.h"
  29
  30 #include "freedreno_blitter.h"
  31 #include "freedreno_fence.h"
  32 #include "freedreno_resource.h"
  33
  34 #include "fd6_blitter.h"
  35 #include "fd6_format.h"
  36 #include "fd6_emit.h"
  37
  38 /* Make sure none of the requested dimensions extend beyond the size of the
  39  * resource.  Not entirely sure why this happens, but sometimes it does, and
  40  * w/ 2d blt doesn't have wrap modes like a sampler, so force those cases
  41  * back to u_blitter
  42  */
  43 static bool
  44 ok_dims(const struct pipe_resource *r, const struct pipe_box *b, int lvl)
  45 {
  46         int last_layer =
  47                 r->target == PIPE_TEXTURE_3D ? u_minify(r->depth0, lvl)
  48                 : r->array_size;
  49
  50         return (b->x >= 0) && (b->x + b->width <= u_minify(r->width0, lvl)) &&
  51                 (b->y >= 0) && (b->y + b->height <= u_minify(r->height0, lvl)) &&
  52                 (b->z >= 0) && (b->z + b->depth <= last_layer);
  53 }
  54
  55 static bool
  56 ok_format(enum pipe_format pfmt)
  57 {
  58         enum a6xx_color_fmt fmt = fd6_pipe2color(pfmt);
  59         if (fmt == ~0)
  60                 return false;
  61
  62         if (fd6_ifmt(fmt) == 0)
  63                 return false;
  64
  65         return true;
  66 }
  67
  68 #define DEBUG_BLIT_FALLBACK 0
  69 #define fail_if(cond)                                                                                                   \
  70         do {                                                                                                                            \
  71                 if (cond) {                                                                                                             \
  72                         if (DEBUG_BLIT_FALLBACK) {                                                                      \
  73                                 fprintf(stderr, "falling back: %s for blit:\n", #cond); \
  74                                 util_dump_blit_info(stderr, info);                                              \
  75                                 fprintf(stderr, "\nsrc: ");                                                             \
  76                                 util_dump_resource(stderr, info->src.resource);                 \
  77                                 fprintf(stderr, "\ndst: ");                                                             \
  78                                 util_dump_resource(stderr, info->dst.resource);                 \
  79                                 fprintf(stderr, "\n");                                                                  \
  80                         }                                                                                                                       \
  81                         return false;                                                                                           \
  82                 }                                                                                                                               \
  83         } while (0)
  84
  85 static bool
  86 can_do_blit(const struct pipe_blit_info *info)
  87 {
  88         /* I think we can do scaling, but not in z dimension since that would
  89          * require blending..
  90          */
  91         fail_if(info->dst.box.depth != info->src.box.depth);
  92
  93         /* We can blit if both or neither formats are compressed formats... */
  94         fail_if(util_format_is_compressed(info->src.format) !=
  95                         util_format_is_compressed(info->src.format));
  96
  97         /* Fail if unsupported format: */
  98         fail_if(!ok_format(info->src.format));
  99         fail_if(!ok_format(info->dst.format));
 100
 101         /* ... but only if they're the same compression format. */
 102         fail_if(util_format_is_compressed(info->src.format) &&
 103                         info->src.format != info->dst.format);
 104
 105         /* src box can be inverted, which we don't support.. dst box cannot: */
 106         fail_if((info->src.box.width < 0) || (info->src.box.height < 0));
 107
 108         fail_if(!ok_dims(info->src.resource, &info->src.box, info->src.level));
 109
 110         fail_if(!ok_dims(info->dst.resource, &info->dst.box, info->dst.level));
 111
 112         debug_assert(info->dst.box.width >= 0);
 113         debug_assert(info->dst.box.height >= 0);
 114         debug_assert(info->dst.box.depth >= 0);
 115
 116         /* non-multisampled could either have nr_samples == 0 or == 1 */
 117         fail_if(info->dst.resource->nr_samples > 1);
 118         fail_if(info->src.resource->nr_samples > 1);
 119
 120         fail_if(info->window_rectangle_include);
 121
 122         fail_if(util_format_is_srgb(info->src.format));
 123         fail_if(util_format_is_srgb(info->dst.format));
 124
 125         const struct util_format_description *src_desc =
 126                 util_format_description(info->src.format);
 127         const struct util_format_description *dst_desc =
 128                 util_format_description(info->dst.format);
 129         const int common_channels = MIN2(src_desc->nr_channels, dst_desc->nr_channels);
 130
 131         if (info->mask & PIPE_MASK_RGBA) {
 132                 for (int i = 0; i < common_channels; i++) {
 133                         fail_if(memcmp(&src_desc->channel[i],
 134                                                    &dst_desc->channel[i],
 135                                                    sizeof(src_desc->channel[0])));
 136                 }
 137         }
 138
 139         fail_if(info->alpha_blend);
 140
 141         return true;
 142 }
 143
 144 static void
 145 emit_setup(struct fd_ringbuffer *ring)
 146 {
 147         OUT_PKT7(ring, CP_EVENT_WRITE, 1);
 148         OUT_RING(ring, PC_CCU_INVALIDATE_COLOR);
 149
 150         OUT_PKT7(ring, CP_EVENT_WRITE, 1);
 151         OUT_RING(ring, LRZ_FLUSH);
 152
 153         OUT_PKT7(ring, CP_SKIP_IB2_ENABLE_GLOBAL, 1);
 154         OUT_RING(ring, 0x0);
 155
 156         OUT_WFI5(ring);
 157
 158         OUT_PKT4(ring, REG_A6XX_RB_CCU_CNTL, 1);
 159         OUT_RING(ring, 0x10000000);
 160 }
 161
 162 static uint32_t
 163 blit_control(enum a6xx_color_fmt fmt)
 164 {
 165         unsigned blit_cntl = 0xf00000;
 166         blit_cntl |= A6XX_RB_2D_BLIT_CNTL_COLOR_FORMAT(fmt);
 167         blit_cntl |= A6XX_RB_2D_BLIT_CNTL_IFMT(fd6_ifmt(fmt));
 168         return blit_cntl;
 169 }
 170
 171 /* buffers need to be handled specially since x/width can exceed the bounds
 172  * supported by hw.. if necessary decompose into (potentially) two 2D blits
 173  */
 174 static void
 175 emit_blit_buffer(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
 176 {
 177         const struct pipe_box *sbox = &info->src.box;
 178         const struct pipe_box *dbox = &info->dst.box;
 179         struct fd_resource *src, *dst;
 180         unsigned sshift, dshift;
 181
 182         if (DEBUG_BLIT_FALLBACK) {
 183                 fprintf(stderr, "buffer blit: ");
 184                 util_dump_blit_info(stderr, info);
 185                 fprintf(stderr, "\ndst resource: ");
 186                 util_dump_resource(stderr, info->dst.resource);
 187                 fprintf(stderr, "\nsrc resource: ");
 188                 util_dump_resource(stderr, info->src.resource);
 189                 fprintf(stderr, "\n");
 190         }
 191
 192         src = fd_resource(info->src.resource);
 193         dst = fd_resource(info->dst.resource);
 194
 195         debug_assert(src->cpp == 1);
 196         debug_assert(dst->cpp == 1);
 197         debug_assert(info->src.resource->format == info->dst.resource->format);
 198         debug_assert((sbox->y == 0) && (sbox->height == 1));
 199         debug_assert((dbox->y == 0) && (dbox->height == 1));
 200         debug_assert((sbox->z == 0) && (sbox->depth == 1));
 201         debug_assert((dbox->z == 0) && (dbox->depth == 1));
 202         debug_assert(sbox->width == dbox->width);
 203         debug_assert(info->src.level == 0);
 204         debug_assert(info->dst.level == 0);
 205
 206         /*
 207          * Buffers can have dimensions bigger than max width, remap into
 208          * multiple 1d blits to fit within max dimension
 209          *
 210          * Note that blob uses .ARRAY_PITCH=128 for blitting buffers, which
 211          * seems to prevent overfetch related faults.  Not quite sure what
 212          * the deal is there.
 213          *
 214          * Low 6 bits of SRC/DST addresses need to be zero (ie. address
 215          * aligned to 64) so we need to shift src/dst x1/x2 to make up the
 216          * difference.  On top of already splitting up the blit so width
 217          * isn't > 16k.
 218          *
 219          * We perhaps could do a bit better, if src and dst are aligned but
 220          * in the worst case this means we have to split the copy up into
 221          * 16k (0x4000) minus 64 (0x40).
 222          */
 223
 224         sshift = sbox->x & 0x3f;
 225         dshift = dbox->x & 0x3f;
 226
 227         OUT_PKT7(ring, CP_SET_MARKER, 1);
 228         OUT_RING(ring, A2XX_CP_SET_MARKER_0_MODE(RM6_BLIT2DSCALE));
 229
 230         uint32_t blit_cntl = blit_control(RB6_R8_UNORM) | 0x20000000;
 231         OUT_PKT4(ring, REG_A6XX_RB_2D_BLIT_CNTL, 1);
 232         OUT_RING(ring, blit_cntl);
 233
 234         OUT_PKT4(ring, REG_A6XX_GRAS_2D_BLIT_CNTL, 1);
 235         OUT_RING(ring, blit_cntl);
 236
 237         for (unsigned off = 0; off < sbox->width; off += (0x4000 - 0x40)) {
 238                 unsigned soff, doff, w, p;
 239
 240                 soff = (sbox->x + off) & ~0x3f;
 241                 doff = (dbox->x + off) & ~0x3f;
 242
 243                 w = MIN2(sbox->width - off, (0x4000 - 0x40));
 244                 p = align(w, 64);
 245
 246                 debug_assert((soff + w) <= fd_bo_size(src->bo));
 247                 debug_assert((doff + w) <= fd_bo_size(dst->bo));
 248
 249                 /*
 250                  * Emit source:
 251                  */
 252                 OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_INFO, 13);
 253                 OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(RB6_R8_UNORM) |
 254                                 A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(TILE6_LINEAR) |
 255                                  A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(WZYX) | 0x500000);
 256                 OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(sshift + w) |
 257                                  A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(1)); /* SP_PS_2D_SRC_SIZE */
 258                 OUT_RELOC(ring, src->bo, soff, 0, 0);    /* SP_PS_2D_SRC_LO/HI */
 259                 OUT_RING(ring, A6XX_SP_PS_2D_SRC_PITCH_PITCH(p));
 260
 261                 OUT_RING(ring, 0x00000000);
 262                 OUT_RING(ring, 0x00000000);
 263                 OUT_RING(ring, 0x00000000);
 264                 OUT_RING(ring, 0x00000000);
 265                 OUT_RING(ring, 0x00000000);
 266
 267                 OUT_RING(ring, 0x00000000);
 268                 OUT_RING(ring, 0x00000000);
 269                 OUT_RING(ring, 0x00000000);
 270
 271                 /*
 272                  * Emit destination:
 273                  */
 274                 OUT_PKT4(ring, REG_A6XX_RB_2D_DST_INFO, 9);
 275                 OUT_RING(ring, A6XX_RB_2D_DST_INFO_COLOR_FORMAT(RB6_R8_UNORM) |
 276                                  A6XX_RB_2D_DST_INFO_TILE_MODE(TILE6_LINEAR) |
 277                                  A6XX_RB_2D_DST_INFO_COLOR_SWAP(WZYX));
 278                 OUT_RELOC(ring, dst->bo, doff, 0, 0);    /* RB_2D_DST_LO/HI */
 279                 OUT_RING(ring, A6XX_RB_2D_DST_SIZE_PITCH(p));
 280                 OUT_RING(ring, 0x00000000);
 281                 OUT_RING(ring, 0x00000000);
 282                 OUT_RING(ring, 0x00000000);
 283                 OUT_RING(ring, 0x00000000);
 284                 OUT_RING(ring, 0x00000000);
 285
 286                 /*
 287                  * Blit command:
 288                  */
 289                 OUT_PKT4(ring, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
 290                 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_X_X(sshift));
 291                 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_X_X(sshift + w - 1));
 292                 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_Y_Y(0));
 293                 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_Y_Y(0));
 294
 295                 OUT_PKT4(ring, REG_A6XX_GRAS_2D_DST_TL, 2);
 296                 OUT_RING(ring, A6XX_GRAS_2D_DST_TL_X(dshift) | A6XX_GRAS_2D_DST_TL_Y(0));
 297                 OUT_RING(ring, A6XX_GRAS_2D_DST_BR_X(dshift + w - 1) | A6XX_GRAS_2D_DST_BR_Y(0));
 298
 299                 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
 300                 OUT_RING(ring, 0x3f);
 301                 OUT_WFI5(ring);
 302
 303                 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8C01, 1);
 304                 OUT_RING(ring, 0);
 305
 306                 OUT_PKT4(ring, REG_A6XX_SP_2D_SRC_FORMAT, 1);
 307                 OUT_RING(ring, 0xf180);
 308
 309                 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
 310                 OUT_RING(ring, 0x01000000);
 311
 312                 OUT_PKT7(ring, CP_BLIT, 1);
 313                 OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_SCALE));
 314
 315                 OUT_WFI5(ring);
 316
 317                 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
 318                 OUT_RING(ring, 0);
 319         }
 320 }
 321
 322 static void
 323 emit_blit_texture(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
 324 {
 325         const struct pipe_box *sbox = &info->src.box;
 326         const struct pipe_box *dbox = &info->dst.box;
 327         struct fd_resource *src, *dst;
 328         struct fd_resource_slice *sslice, *dslice;
 329         enum a6xx_color_fmt sfmt, dfmt;
 330         enum a6xx_tile_mode stile, dtile;
 331         enum a3xx_color_swap sswap, dswap;
 332         unsigned spitch, dpitch;
 333         unsigned sx1, sy1, sx2, sy2;
 334         unsigned dx1, dy1, dx2, dy2;
 335
 336         if (DEBUG_BLIT_FALLBACK) {
 337                 fprintf(stderr, "texture blit: ");
 338                 util_dump_blit_info(stderr, info);
 339                 fprintf(stderr, "\ndst resource: ");
 340                 util_dump_resource(stderr, info->dst.resource);
 341                 fprintf(stderr, "\nsrc resource: ");
 342                 util_dump_resource(stderr, info->src.resource);
 343                 fprintf(stderr, "\n");
 344         }
 345
 346         src = fd_resource(info->src.resource);
 347         dst = fd_resource(info->dst.resource);
 348
 349         sslice = fd_resource_slice(src, info->src.level);
 350         dslice = fd_resource_slice(dst, info->dst.level);
 351
 352         sfmt = fd6_pipe2color(info->src.format);
 353         dfmt = fd6_pipe2color(info->dst.format);
 354
 355         int blocksize = util_format_get_blocksize(info->src.format);
 356         int blockwidth = util_format_get_blockwidth(info->src.format);
 357         int blockheight = util_format_get_blockheight(info->src.format);
 358         int nelements;
 359
 360         stile = fd_resource_level_linear(info->src.resource, info->src.level) ?
 361                         TILE6_LINEAR : src->tile_mode;
 362         dtile = fd_resource_level_linear(info->dst.resource, info->dst.level) ?
 363                         TILE6_LINEAR : dst->tile_mode;
 364
 365         sswap = stile ? WZYX : fd6_pipe2swap(info->src.format);
 366         dswap = dtile ? WZYX : fd6_pipe2swap(info->dst.format);
 367
 368         if (util_format_is_compressed(info->src.format)) {
 369                 debug_assert(info->src.format == info->dst.format);
 370                 sfmt = dfmt = RB6_R8_UNORM;
 371                 nelements = blocksize;
 372         } else {
 373                 debug_assert(!util_format_is_compressed(info->dst.format));
 374                 nelements = 1;
 375         }
 376
 377         spitch = DIV_ROUND_UP(sslice->pitch, blockwidth) * src->cpp;
 378         dpitch = DIV_ROUND_UP(dslice->pitch, blockwidth) * dst->cpp;
 379
 380         sx1 = sbox->x / blockwidth * nelements;
 381         sy1 = sbox->y / blockheight;
 382         sx2 = DIV_ROUND_UP(sbox->x + sbox->width, blockwidth) * nelements - 1;
 383         sy2 = DIV_ROUND_UP(sbox->y + sbox->height, blockheight) - 1;
 384
 385         dx1 = dbox->x / blockwidth * nelements;
 386         dy1 = dbox->y / blockheight;
 387         dx2 = DIV_ROUND_UP(dbox->x + dbox->width, blockwidth) * nelements - 1;
 388         dy2 = DIV_ROUND_UP(dbox->y + dbox->height, blockheight) - 1;
 389
 390         uint32_t width = DIV_ROUND_UP(u_minify(src->base.width0, info->src.level), blockwidth) * nelements;
 391         uint32_t height = DIV_ROUND_UP(u_minify(src->base.height0, info->src.level), blockheight);
 392
 393         OUT_PKT7(ring, CP_SET_MARKER, 1);
 394         OUT_RING(ring, A2XX_CP_SET_MARKER_0_MODE(RM6_BLIT2DSCALE));
 395
 396         uint32_t blit_cntl = blit_control(dfmt);
 397
 398         if (dtile != stile)
 399                 blit_cntl |= 0x20000000;
 400
 401         if (info->scissor_enable) {
 402                 OUT_PKT4(ring, REG_A6XX_GRAS_RESOLVE_CNTL_1, 2);
 403                 OUT_RING(ring, A6XX_GRAS_RESOLVE_CNTL_1_X(info->scissor.minx) |
 404                                  A6XX_GRAS_RESOLVE_CNTL_1_Y(info->scissor.miny));
 405                 OUT_RING(ring, A6XX_GRAS_RESOLVE_CNTL_1_X(info->scissor.maxx - 1) |
 406                                  A6XX_GRAS_RESOLVE_CNTL_1_Y(info->scissor.maxy - 1));
 407                 blit_cntl |= A6XX_RB_2D_BLIT_CNTL_SCISSOR;
 408         }
 409
 410         OUT_PKT4(ring, REG_A6XX_RB_2D_BLIT_CNTL, 1);
 411         OUT_RING(ring, blit_cntl);
 412
 413         OUT_PKT4(ring, REG_A6XX_GRAS_2D_BLIT_CNTL, 1);
 414         OUT_RING(ring, blit_cntl);
 415
 416         for (unsigned i = 0; i < info->dst.box.depth; i++) {
 417                 unsigned soff = fd_resource_offset(src, info->src.level, sbox->z + i);
 418                 unsigned doff = fd_resource_offset(dst, info->dst.level, dbox->z + i);
 419
 420                 /*
 421                  * Emit source:
 422                  */
 423                 uint32_t filter = 0;
 424                 if (info->filter == PIPE_TEX_FILTER_LINEAR)
 425                         filter = A6XX_SP_PS_2D_SRC_INFO_FILTER;
 426
 427                 OUT_PKT4(ring, REG_A6XX_SP_PS_2D_SRC_INFO, 13);
 428                 OUT_RING(ring, A6XX_SP_PS_2D_SRC_INFO_COLOR_FORMAT(sfmt) |
 429                                 A6XX_SP_PS_2D_SRC_INFO_TILE_MODE(stile) |
 430                                 A6XX_SP_PS_2D_SRC_INFO_COLOR_SWAP(sswap) | 0x500000 | filter);
 431                 OUT_RING(ring, A6XX_SP_PS_2D_SRC_SIZE_WIDTH(width) |
 432                                  A6XX_SP_PS_2D_SRC_SIZE_HEIGHT(height)); /* SP_PS_2D_SRC_SIZE */
 433                 OUT_RELOC(ring, src->bo, soff, 0, 0);    /* SP_PS_2D_SRC_LO/HI */
 434                 OUT_RING(ring, A6XX_SP_PS_2D_SRC_PITCH_PITCH(spitch));
 435                 OUT_RING(ring, 0x00000000);
 436                 OUT_RING(ring, 0x00000000);
 437                 OUT_RING(ring, 0x00000000);
 438                 OUT_RING(ring, 0x00000000);
 439                 OUT_RING(ring, 0x00000000);
 440
 441                 OUT_RING(ring, 0x00000000);
 442                 OUT_RING(ring, 0x00000000);
 443                 OUT_RING(ring, 0x00000000);
 444
 445                 /*
 446                  * Emit destination:
 447                  */
 448                 OUT_PKT4(ring, REG_A6XX_RB_2D_DST_INFO, 9);
 449                 OUT_RING(ring, A6XX_RB_2D_DST_INFO_COLOR_FORMAT(dfmt) |
 450                                  A6XX_RB_2D_DST_INFO_TILE_MODE(dtile) |
 451                                  A6XX_RB_2D_DST_INFO_COLOR_SWAP(dswap));
 452                 OUT_RELOCW(ring, dst->bo, doff, 0, 0);    /* RB_2D_DST_LO/HI */
 453                 OUT_RING(ring, A6XX_RB_2D_DST_SIZE_PITCH(dpitch));
 454                 OUT_RING(ring, 0x00000000);
 455                 OUT_RING(ring, 0x00000000);
 456                 OUT_RING(ring, 0x00000000);
 457                 OUT_RING(ring, 0x00000000);
 458                 OUT_RING(ring, 0x00000000);
 459
 460                 /*
 461                  * Blit command:
 462                  */
 463                 OUT_PKT4(ring, REG_A6XX_GRAS_2D_SRC_TL_X, 4);
 464                 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_X_X(sx1));
 465                 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_X_X(sx2));
 466                 OUT_RING(ring, A6XX_GRAS_2D_SRC_TL_Y_Y(sy1));
 467                 OUT_RING(ring, A6XX_GRAS_2D_SRC_BR_Y_Y(sy2));
 468
 469                 OUT_PKT4(ring, REG_A6XX_GRAS_2D_DST_TL, 2);
 470                 OUT_RING(ring, A6XX_GRAS_2D_DST_TL_X(dx1) | A6XX_GRAS_2D_DST_TL_Y(dy1));
 471                 OUT_RING(ring, A6XX_GRAS_2D_DST_BR_X(dx2) | A6XX_GRAS_2D_DST_BR_Y(dy2));
 472
 473                 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
 474                 OUT_RING(ring, 0x3f);
 475                 OUT_WFI5(ring);
 476
 477                 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8C01, 1);
 478                 OUT_RING(ring, 0);
 479
 480                 OUT_PKT4(ring, REG_A6XX_SP_2D_SRC_FORMAT, 1);
 481                 OUT_RING(ring, A6XX_SP_2D_SRC_FORMAT_COLOR_FORMAT(sfmt) |
 482                                 COND(util_format_is_pure_sint(info->src.format),
 483                                                 A6XX_SP_2D_SRC_FORMAT_SINT) |
 484                                 COND(util_format_is_pure_uint(info->src.format),
 485                                                 A6XX_SP_2D_SRC_FORMAT_UINT) |
 486                                 COND(util_format_is_snorm(info->src.format),
 487                                                 A6XX_SP_2D_SRC_FORMAT_SINT |
 488                                                 A6XX_SP_2D_SRC_FORMAT_NORM) |
 489                                 COND(util_format_is_unorm(info->src.format),
 490 // TODO sometimes blob uses UINT+NORM but dEQP seems unhappy about that
 491 //                                              A6XX_SP_2D_SRC_FORMAT_UINT |
 492                                                 A6XX_SP_2D_SRC_FORMAT_NORM) |
 493                                 0xf000);
 494
 495                 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
 496                 OUT_RING(ring, 0x01000000);
 497
 498                 OUT_PKT7(ring, CP_BLIT, 1);
 499                 OUT_RING(ring, CP_BLIT_0_OP(BLIT_OP_SCALE));
 500
 501                 OUT_WFI5(ring);
 502
 503                 OUT_PKT4(ring, REG_A6XX_RB_UNKNOWN_8E04, 1);
 504                 OUT_RING(ring, 0);
 505         }
 506 }
 507
 508 static bool
 509 fd6_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
 510 {
 511         struct fd_batch *batch;
 512
 513         if (!can_do_blit(info))
 514                 return false;
 515
 516         fd_fence_ref(ctx->base.screen, &ctx->last_fence, NULL);
 517
 518         batch = fd_bc_alloc_batch(&ctx->screen->batch_cache, ctx, true);
 519
 520         fd6_emit_restore(batch, batch->draw);
 521         fd6_emit_lrz_flush(batch->draw);
 522
 523         mtx_lock(&ctx->screen->lock);
 524
 525         fd_batch_resource_used(batch, fd_resource(info->src.resource), false);
 526         fd_batch_resource_used(batch, fd_resource(info->dst.resource), true);
 527
 528         mtx_unlock(&ctx->screen->lock);
 529
 530         emit_setup(batch->draw);
 531
 532         if ((info->src.resource->target == PIPE_BUFFER) &&
 533                         (info->dst.resource->target == PIPE_BUFFER)) {
 534                 assert(fd_resource(info->src.resource)->tile_mode == TILE6_LINEAR);
 535                 assert(fd_resource(info->dst.resource)->tile_mode == TILE6_LINEAR);
 536                 emit_blit_buffer(batch->draw, info);
 537         } else {
 538                 /* I don't *think* we need to handle blits between buffer <-> !buffer */
 539                 debug_assert(info->src.resource->target != PIPE_BUFFER);
 540                 debug_assert(info->dst.resource->target != PIPE_BUFFER);
 541                 emit_blit_texture(batch->draw, info);
 542         }
 543
 544         fd6_event_write(batch, batch->draw, 0x1d, true);
 545         fd6_event_write(batch, batch->draw, FACENESS_FLUSH, true);
 546         fd6_event_write(batch, batch->draw, CACHE_FLUSH_TS, true);
 547
 548         fd_resource(info->dst.resource)->valid = true;
 549         batch->needs_flush = true;
 550
 551         fd_batch_flush(batch, false, false);
 552         fd_batch_reference(&batch, NULL);
 553
 554         return true;
 555 }
 556
 557 void
 558 fd6_blitter_init(struct pipe_context *pctx)
 559 {
 560         if (fd_mesa_debug & FD_DBG_NOBLIT)
 561                 return;
 562
 563         fd_context(pctx)->blit = fd6_blit;
 564 }
 565
 566 unsigned
 567 fd6_tile_mode(const struct pipe_resource *tmpl)
 568 {
 569         /* basically just has to be a format we can blit, so uploads/downloads
 570          * via linear staging buffer works:
 571          */
 572         if (ok_format(tmpl->format))
 573                 return TILE6_3;
 574
 575         return TILE6_LINEAR;
 576 }