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// Copyright (c) 2022 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Validates ray tracing instructions from SPV_NV_shader_execution_reorder
#include "source/opcode.h"
#include "source/val/instruction.h"
#include "source/val/validate.h"
#include "source/val/validation_state.h"
#include <limits>
namespace spvtools {
namespace val {
static const uint32_t KRayParamInvalidId = std::numeric_limits<uint32_t>::max();
spv_result_t ValidateHitObjectPointer(ValidationState_t& _,
const Instruction* inst,
uint32_t hit_object_index) {
const uint32_t hit_object_id = inst->GetOperandAs<uint32_t>(hit_object_index);
auto variable = _.FindDef(hit_object_id);
const auto var_opcode = variable->opcode();
if (!variable || (var_opcode != spv::Op::OpVariable &&
var_opcode != spv::Op::OpFunctionParameter &&
var_opcode != spv::Op::OpAccessChain)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hit Object must be a memory object declaration";
}
auto pointer = _.FindDef(variable->GetOperandAs<uint32_t>(0));
if (!pointer || pointer->opcode() != spv::Op::OpTypePointer) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hit Object must be a pointer";
}
auto type = _.FindDef(pointer->GetOperandAs<uint32_t>(2));
if (!type || type->opcode() != spv::Op::OpTypeHitObjectNV) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Type must be OpTypeHitObjectNV";
}
return SPV_SUCCESS;
}
spv_result_t ValidateHitObjectInstructionCommonParameters(
ValidationState_t& _, const Instruction* inst,
uint32_t acceleration_struct_index, uint32_t instance_id_index,
uint32_t primtive_id_index, uint32_t geometry_index,
uint32_t ray_flags_index, uint32_t cull_mask_index, uint32_t hit_kind_index,
uint32_t sbt_index, uint32_t sbt_offset_index, uint32_t sbt_stride_index,
uint32_t sbt_record_offset_index, uint32_t sbt_record_stride_index,
uint32_t miss_index, uint32_t ray_origin_index, uint32_t ray_tmin_index,
uint32_t ray_direction_index, uint32_t ray_tmax_index,
uint32_t payload_index, uint32_t hit_object_attr_index) {
auto isValidId = [](uint32_t spvid) { return spvid < KRayParamInvalidId; };
if (isValidId(acceleration_struct_index) &&
_.GetIdOpcode(_.GetOperandTypeId(inst, acceleration_struct_index)) !=
spv::Op::OpTypeAccelerationStructureKHR) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected Acceleration Structure to be of type "
"OpTypeAccelerationStructureKHR";
}
if (isValidId(instance_id_index)) {
const uint32_t instance_id = _.GetOperandTypeId(inst, instance_id_index);
if (!_.IsIntScalarType(instance_id) || _.GetBitWidth(instance_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Instance Id must be a 32-bit int scalar";
}
}
if (isValidId(primtive_id_index)) {
const uint32_t primitive_id = _.GetOperandTypeId(inst, primtive_id_index);
if (!_.IsIntScalarType(primitive_id) || _.GetBitWidth(primitive_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Primitive Id must be a 32-bit int scalar";
}
}
if (isValidId(geometry_index)) {
const uint32_t geometry_index_id = _.GetOperandTypeId(inst, geometry_index);
if (!_.IsIntScalarType(geometry_index_id) ||
_.GetBitWidth(geometry_index_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Geometry Index must be a 32-bit int scalar";
}
}
if (isValidId(miss_index)) {
const uint32_t miss_index_id = _.GetOperandTypeId(inst, miss_index);
if (!_.IsUnsignedIntScalarType(miss_index_id) ||
_.GetBitWidth(miss_index_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Miss Index must be a 32-bit int scalar";
}
}
if (isValidId(cull_mask_index)) {
const uint32_t cull_mask_id = _.GetOperandTypeId(inst, cull_mask_index);
if (!_.IsUnsignedIntScalarType(cull_mask_id) ||
_.GetBitWidth(cull_mask_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Cull mask must be a 32-bit int scalar";
}
}
if (isValidId(sbt_index)) {
const uint32_t sbt_index_id = _.GetOperandTypeId(inst, sbt_index);
if (!_.IsUnsignedIntScalarType(sbt_index_id) ||
_.GetBitWidth(sbt_index_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "SBT Index must be a 32-bit unsigned int scalar";
}
}
if (isValidId(sbt_offset_index)) {
const uint32_t sbt_offset_id = _.GetOperandTypeId(inst, sbt_offset_index);
if (!_.IsUnsignedIntScalarType(sbt_offset_id) ||
_.GetBitWidth(sbt_offset_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "SBT Offset must be a 32-bit unsigned int scalar";
}
}
if (isValidId(sbt_stride_index)) {
const uint32_t sbt_stride_index_id =
_.GetOperandTypeId(inst, sbt_stride_index);
if (!_.IsUnsignedIntScalarType(sbt_stride_index_id) ||
_.GetBitWidth(sbt_stride_index_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "SBT Stride must be a 32-bit unsigned int scalar";
}
}
if (isValidId(sbt_record_offset_index)) {
const uint32_t sbt_record_offset_index_id =
_.GetOperandTypeId(inst, sbt_record_offset_index);
if (!_.IsUnsignedIntScalarType(sbt_record_offset_index_id) ||
_.GetBitWidth(sbt_record_offset_index_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "SBT record offset must be a 32-bit unsigned int scalar";
}
}
if (isValidId(sbt_record_stride_index)) {
const uint32_t sbt_record_stride_index_id =
_.GetOperandTypeId(inst, sbt_record_stride_index);
if (!_.IsUnsignedIntScalarType(sbt_record_stride_index_id) ||
_.GetBitWidth(sbt_record_stride_index_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "SBT record stride must be a 32-bit unsigned int scalar";
}
}
if (isValidId(ray_origin_index)) {
const uint32_t ray_origin_id = _.GetOperandTypeId(inst, ray_origin_index);
if (!_.IsFloatVectorType(ray_origin_id) ||
_.GetDimension(ray_origin_id) != 3 ||
_.GetBitWidth(ray_origin_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray Origin must be a 32-bit float 3-component vector";
}
}
if (isValidId(ray_tmin_index)) {
const uint32_t ray_tmin_id = _.GetOperandTypeId(inst, ray_tmin_index);
if (!_.IsFloatScalarType(ray_tmin_id) || _.GetBitWidth(ray_tmin_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray TMin must be a 32-bit float scalar";
}
}
if (isValidId(ray_direction_index)) {
const uint32_t ray_direction_id =
_.GetOperandTypeId(inst, ray_direction_index);
if (!_.IsFloatVectorType(ray_direction_id) ||
_.GetDimension(ray_direction_id) != 3 ||
_.GetBitWidth(ray_direction_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray Direction must be a 32-bit float 3-component vector";
}
}
if (isValidId(ray_tmax_index)) {
const uint32_t ray_tmax_id = _.GetOperandTypeId(inst, ray_tmax_index);
if (!_.IsFloatScalarType(ray_tmax_id) || _.GetBitWidth(ray_tmax_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray TMax must be a 32-bit float scalar";
}
}
if (isValidId(ray_flags_index)) {
const uint32_t ray_flags_id = _.GetOperandTypeId(inst, ray_flags_index);
if (!_.IsIntScalarType(ray_flags_id) || _.GetBitWidth(ray_flags_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray Flags must be a 32-bit int scalar";
}
}
if (isValidId(payload_index)) {
const uint32_t payload_id = inst->GetOperandAs<uint32_t>(payload_index);
auto variable = _.FindDef(payload_id);
const auto var_opcode = variable->opcode();
if (!variable || var_opcode != spv::Op::OpVariable ||
(variable->GetOperandAs<spv::StorageClass>(2) !=
spv::StorageClass::RayPayloadKHR &&
variable->GetOperandAs<spv::StorageClass>(2) !=
spv::StorageClass::IncomingRayPayloadKHR)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "payload must be a OpVariable of storage "
"class RayPayloadKHR or IncomingRayPayloadKHR";
}
}
if (isValidId(hit_kind_index)) {
const uint32_t hit_kind_id = _.GetOperandTypeId(inst, hit_kind_index);
if (!_.IsUnsignedIntScalarType(hit_kind_id) ||
_.GetBitWidth(hit_kind_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hit Kind must be a 32-bit unsigned int scalar";
}
}
if (isValidId(hit_object_attr_index)) {
const uint32_t hit_object_attr_id =
inst->GetOperandAs<uint32_t>(hit_object_attr_index);
auto variable = _.FindDef(hit_object_attr_id);
const auto var_opcode = variable->opcode();
if (!variable || var_opcode != spv::Op::OpVariable ||
(variable->GetOperandAs<spv::StorageClass>(2)) !=
spv::StorageClass::HitObjectAttributeNV) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hit Object Attributes id must be a OpVariable of storage "
"class HitObjectAttributeNV";
}
}
return SPV_SUCCESS;
}
spv_result_t RayReorderNVPass(ValidationState_t& _, const Instruction* inst) {
const spv::Op opcode = inst->opcode();
const uint32_t result_type = inst->type_id();
auto RegisterOpcodeForValidModel = [](ValidationState_t& vs,
const Instruction* rtinst) {
std::string opcode_name = spvOpcodeString(rtinst->opcode());
vs.function(rtinst->function()->id())
->RegisterExecutionModelLimitation(
[opcode_name](spv::ExecutionModel model, std::string* message) {
if (model != spv::ExecutionModel::RayGenerationKHR &&
model != spv::ExecutionModel::ClosestHitKHR &&
model != spv::ExecutionModel::MissKHR) {
if (message) {
*message = opcode_name +
" requires RayGenerationKHR, ClosestHitKHR and "
"MissKHR execution models";
}
return false;
}
return true;
});
return;
};
switch (opcode) {
case spv::Op::OpHitObjectIsMissNV:
case spv::Op::OpHitObjectIsHitNV:
case spv::Op::OpHitObjectIsEmptyNV: {
RegisterOpcodeForValidModel(_, inst);
if (!_.IsBoolScalarType(result_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "expected Result Type to be bool scalar type";
}
if (auto error = ValidateHitObjectPointer(_, inst, 2)) return error;
break;
}
case spv::Op::OpHitObjectGetShaderRecordBufferHandleNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 2)) return error;
if (!_.IsIntVectorType(result_type) ||
(_.GetDimension(result_type) != 2) ||
(_.GetBitWidth(result_type) != 32))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected 32-bit integer type 2-component vector as Result "
"Type: "
<< spvOpcodeString(opcode);
break;
}
case spv::Op::OpHitObjectGetHitKindNV:
case spv::Op::OpHitObjectGetPrimitiveIndexNV:
case spv::Op::OpHitObjectGetGeometryIndexNV:
case spv::Op::OpHitObjectGetInstanceIdNV:
case spv::Op::OpHitObjectGetInstanceCustomIndexNV:
case spv::Op::OpHitObjectGetShaderBindingTableRecordIndexNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 2)) return error;
if (!_.IsIntScalarType(result_type) || !_.GetBitWidth(result_type))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected 32-bit integer type scalar as Result Type: "
<< spvOpcodeString(opcode);
break;
}
case spv::Op::OpHitObjectGetCurrentTimeNV:
case spv::Op::OpHitObjectGetRayTMaxNV:
case spv::Op::OpHitObjectGetRayTMinNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 2)) return error;
if (!_.IsFloatScalarType(result_type) || _.GetBitWidth(result_type) != 32)
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected 32-bit floating-point type scalar as Result Type: "
<< spvOpcodeString(opcode);
break;
}
case spv::Op::OpHitObjectGetObjectToWorldNV:
case spv::Op::OpHitObjectGetWorldToObjectNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 2)) return error;
uint32_t num_rows = 0;
uint32_t num_cols = 0;
uint32_t col_type = 0;
uint32_t component_type = 0;
if (!_.GetMatrixTypeInfo(result_type, &num_rows, &num_cols, &col_type,
&component_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "expected matrix type as Result Type: "
<< spvOpcodeString(opcode);
}
if (num_cols != 4) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "expected Result Type matrix to have a Column Count of 4"
<< spvOpcodeString(opcode);
}
if (!_.IsFloatScalarType(component_type) ||
_.GetBitWidth(result_type) != 32 || num_rows != 3) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "expected Result Type matrix to have a Column Type of "
"3-component 32-bit float vectors: "
<< spvOpcodeString(opcode);
}
break;
}
case spv::Op::OpHitObjectGetObjectRayOriginNV:
case spv::Op::OpHitObjectGetObjectRayDirectionNV:
case spv::Op::OpHitObjectGetWorldRayDirectionNV:
case spv::Op::OpHitObjectGetWorldRayOriginNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 2)) return error;
if (!_.IsFloatVectorType(result_type) ||
(_.GetDimension(result_type) != 3) ||
(_.GetBitWidth(result_type) != 32))
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Expected 32-bit floating-point type 3-component vector as "
"Result Type: "
<< spvOpcodeString(opcode);
break;
}
case spv::Op::OpHitObjectGetAttributesNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
const uint32_t hit_object_attr_id = inst->GetOperandAs<uint32_t>(1);
auto variable = _.FindDef(hit_object_attr_id);
const auto var_opcode = variable->opcode();
if (!variable || var_opcode != spv::Op::OpVariable ||
variable->GetOperandAs<spv::StorageClass>(2) !=
spv::StorageClass::HitObjectAttributeNV) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hit Object Attributes id must be a OpVariable of storage "
"class HitObjectAttributeNV";
}
break;
}
case spv::Op::OpHitObjectExecuteShaderNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
const uint32_t hit_object_attr_id = inst->GetOperandAs<uint32_t>(1);
auto variable = _.FindDef(hit_object_attr_id);
const auto var_opcode = variable->opcode();
if (!variable || var_opcode != spv::Op::OpVariable ||
(variable->GetOperandAs<spv::StorageClass>(2)) !=
spv::StorageClass::RayPayloadKHR) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hit Object Attributes id must be a OpVariable of storage "
"class RayPayloadKHR";
}
break;
}
case spv::Op::OpHitObjectRecordEmptyNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
break;
}
case spv::Op::OpHitObjectRecordMissNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
const uint32_t miss_index = _.GetOperandTypeId(inst, 1);
if (!_.IsUnsignedIntScalarType(miss_index) ||
_.GetBitWidth(miss_index) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Miss Index must be a 32-bit int scalar";
}
const uint32_t ray_origin = _.GetOperandTypeId(inst, 2);
if (!_.IsFloatVectorType(ray_origin) || _.GetDimension(ray_origin) != 3 ||
_.GetBitWidth(ray_origin) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray Origin must be a 32-bit float 3-component vector";
}
const uint32_t ray_tmin = _.GetOperandTypeId(inst, 3);
if (!_.IsFloatScalarType(ray_tmin) || _.GetBitWidth(ray_tmin) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray TMin must be a 32-bit float scalar";
}
const uint32_t ray_direction = _.GetOperandTypeId(inst, 4);
if (!_.IsFloatVectorType(ray_direction) ||
_.GetDimension(ray_direction) != 3 ||
_.GetBitWidth(ray_direction) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray Direction must be a 32-bit float 3-component vector";
}
const uint32_t ray_tmax = _.GetOperandTypeId(inst, 5);
if (!_.IsFloatScalarType(ray_tmax) || _.GetBitWidth(ray_tmax) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Ray TMax must be a 32-bit float scalar";
}
break;
}
case spv::Op::OpHitObjectRecordHitWithIndexNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
if (auto error = ValidateHitObjectInstructionCommonParameters(
_, inst, 1 /* Acceleration Struct */, 2 /* Instance Id */,
3 /* Primtive Id */, 4 /* Geometry Index */,
KRayParamInvalidId /* Ray Flags */,
KRayParamInvalidId /* Cull Mask */, 5 /* Hit Kind*/,
6 /* SBT index */, KRayParamInvalidId /* SBT Offset */,
KRayParamInvalidId /* SBT Stride */,
KRayParamInvalidId /* SBT Record Offset */,
KRayParamInvalidId /* SBT Record Stride */,
KRayParamInvalidId /* Miss Index */, 7 /* Ray Origin */,
8 /* Ray TMin */, 9 /* Ray Direction */, 10 /* Ray TMax */,
KRayParamInvalidId /* Payload */, 11 /* Hit Object Attribute */))
return error;
break;
}
case spv::Op::OpHitObjectRecordHitNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
if (auto error = ValidateHitObjectInstructionCommonParameters(
_, inst, 1 /* Acceleration Struct */, 2 /* Instance Id */,
3 /* Primtive Id */, 4 /* Geometry Index */,
KRayParamInvalidId /* Ray Flags */,
KRayParamInvalidId /* Cull Mask */, 5 /* Hit Kind*/,
KRayParamInvalidId /* SBT index */,
KRayParamInvalidId /* SBT Offset */,
KRayParamInvalidId /* SBT Stride */, 6 /* SBT Record Offset */,
7 /* SBT Record Stride */, KRayParamInvalidId /* Miss Index */,
8 /* Ray Origin */, 9 /* Ray TMin */, 10 /* Ray Direction */,
11 /* Ray TMax */, KRayParamInvalidId /* Payload */,
12 /* Hit Object Attribute */))
return error;
break;
}
case spv::Op::OpHitObjectTraceRayMotionNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
if (auto error = ValidateHitObjectInstructionCommonParameters(
_, inst, 1 /* Acceleration Struct */,
KRayParamInvalidId /* Instance Id */,
KRayParamInvalidId /* Primtive Id */,
KRayParamInvalidId /* Geometry Index */, 2 /* Ray Flags */,
3 /* Cull Mask */, KRayParamInvalidId /* Hit Kind*/,
KRayParamInvalidId /* SBT index */, 4 /* SBT Offset */,
5 /* SBT Stride */, KRayParamInvalidId /* SBT Record Offset */,
KRayParamInvalidId /* SBT Record Stride */, 6 /* Miss Index */,
7 /* Ray Origin */, 8 /* Ray TMin */, 9 /* Ray Direction */,
10 /* Ray TMax */, 12 /* Payload */,
KRayParamInvalidId /* Hit Object Attribute */))
return error;
// Current Time
const uint32_t current_time_id = _.GetOperandTypeId(inst, 11);
if (!_.IsFloatScalarType(current_time_id) ||
_.GetBitWidth(current_time_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Current Times must be a 32-bit float scalar type";
}
break;
}
case spv::Op::OpHitObjectTraceRayNV: {
RegisterOpcodeForValidModel(_, inst);
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
if (auto error = ValidateHitObjectInstructionCommonParameters(
_, inst, 1 /* Acceleration Struct */,
KRayParamInvalidId /* Instance Id */,
KRayParamInvalidId /* Primtive Id */,
KRayParamInvalidId /* Geometry Index */, 2 /* Ray Flags */,
3 /* Cull Mask */, KRayParamInvalidId /* Hit Kind*/,
KRayParamInvalidId /* SBT index */, 4 /* SBT Offset */,
5 /* SBT Stride */, KRayParamInvalidId /* SBT Record Offset */,
KRayParamInvalidId /* SBT Record Stride */, 6 /* Miss Index */,
7 /* Ray Origin */, 8 /* Ray TMin */, 9 /* Ray Direction */,
10 /* Ray TMax */, 11 /* Payload */,
KRayParamInvalidId /* Hit Object Attribute */))
return error;
break;
}
case spv::Op::OpReorderThreadWithHitObjectNV: {
std::string opcode_name = spvOpcodeString(inst->opcode());
_.function(inst->function()->id())
->RegisterExecutionModelLimitation(
[opcode_name](spv::ExecutionModel model, std::string* message) {
if (model != spv::ExecutionModel::RayGenerationKHR) {
if (message) {
*message = opcode_name +
" requires RayGenerationKHR execution model";
}
return false;
}
return true;
});
if (auto error = ValidateHitObjectPointer(_, inst, 0)) return error;
if (inst->operands().size() > 1) {
if (inst->operands().size() != 3) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hint and Bits are optional together i.e "
<< " Either both Hint and Bits should be provided or neither.";
}
// Validate the optional opreands Hint and Bits
const uint32_t hint_id = _.GetOperandTypeId(inst, 1);
if (!_.IsIntScalarType(hint_id) || _.GetBitWidth(hint_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hint must be a 32-bit int scalar";
}
const uint32_t bits_id = _.GetOperandTypeId(inst, 2);
if (!_.IsIntScalarType(bits_id) || _.GetBitWidth(bits_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "bits must be a 32-bit int scalar";
}
}
break;
}
case spv::Op::OpReorderThreadWithHintNV: {
std::string opcode_name = spvOpcodeString(inst->opcode());
_.function(inst->function()->id())
->RegisterExecutionModelLimitation(
[opcode_name](spv::ExecutionModel model, std::string* message) {
if (model != spv::ExecutionModel::RayGenerationKHR) {
if (message) {
*message = opcode_name +
" requires RayGenerationKHR execution model";
}
return false;
}
return true;
});
const uint32_t hint_id = _.GetOperandTypeId(inst, 0);
if (!_.IsIntScalarType(hint_id) || _.GetBitWidth(hint_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "Hint must be a 32-bit int scalar";
}
const uint32_t bits_id = _.GetOperandTypeId(inst, 1);
if (!_.IsIntScalarType(bits_id) || _.GetBitWidth(bits_id) != 32) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< "bits must be a 32-bit int scalar";
}
}
default:
break;
}
return SPV_SUCCESS;
}
} // namespace val
} // namespace spvtools