src/compiler/spirv/vtn_subgroup.c

   1 /*
   2  * Copyright © 2016 Intel 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
  24 #include "vtn_private.h"
  25
  26 void
  27 vtn_handle_subgroup(struct vtn_builder *b, SpvOp opcode,
  28                     const uint32_t *w, unsigned count)
  29 {
  30    struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_ssa);
  31
  32    val->ssa = vtn_create_ssa_value(b, val->type->type);
  33
  34    switch (opcode) {
  35    case SpvOpGroupNonUniformElect: {
  36       vtn_fail_if(val->type->type != glsl_bool_type(),
  37                   "OpGroupNonUniformElect must return a Bool");
  38       nir_intrinsic_instr *elect =
  39          nir_intrinsic_instr_create(b->nb.shader, nir_intrinsic_elect);
  40       nir_ssa_dest_init(&elect->instr, &elect->dest, 1, 32, NULL);
  41       nir_builder_instr_insert(&b->nb, &elect->instr);
  42       val->ssa->def = &elect->dest.ssa;
  43       break;
  44    }
  45
  46    case SpvOpGroupNonUniformAll:
  47    case SpvOpGroupNonUniformAny:
  48    case SpvOpGroupNonUniformAllEqual:
  49    case SpvOpGroupNonUniformBroadcast:
  50    case SpvOpGroupNonUniformBroadcastFirst:
  51    case SpvOpGroupNonUniformBallot:
  52    case SpvOpGroupNonUniformInverseBallot:
  53    case SpvOpGroupNonUniformBallotBitExtract:
  54    case SpvOpGroupNonUniformBallotBitCount:
  55    case SpvOpGroupNonUniformBallotFindLSB:
  56    case SpvOpGroupNonUniformBallotFindMSB:
  57    case SpvOpGroupNonUniformShuffle:
  58    case SpvOpGroupNonUniformShuffleXor:
  59    case SpvOpGroupNonUniformShuffleUp:
  60    case SpvOpGroupNonUniformShuffleDown:
  61    case SpvOpGroupNonUniformIAdd:
  62    case SpvOpGroupNonUniformFAdd:
  63    case SpvOpGroupNonUniformIMul:
  64    case SpvOpGroupNonUniformFMul:
  65    case SpvOpGroupNonUniformSMin:
  66    case SpvOpGroupNonUniformUMin:
  67    case SpvOpGroupNonUniformFMin:
  68    case SpvOpGroupNonUniformSMax:
  69    case SpvOpGroupNonUniformUMax:
  70    case SpvOpGroupNonUniformFMax:
  71    case SpvOpGroupNonUniformBitwiseAnd:
  72    case SpvOpGroupNonUniformBitwiseOr:
  73    case SpvOpGroupNonUniformBitwiseXor:
  74    case SpvOpGroupNonUniformLogicalAnd:
  75    case SpvOpGroupNonUniformLogicalOr:
  76    case SpvOpGroupNonUniformLogicalXor:
  77    case SpvOpGroupNonUniformQuadBroadcast:
  78    case SpvOpGroupNonUniformQuadSwap:
  79    default:
  80       unreachable("Invalid SPIR-V opcode");
  81    }
  82 }