323 lines
12 KiB
C++
323 lines
12 KiB
C++
// Copyright (c) 2018 Google LLC.
|
|
//
|
|
// 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.
|
|
|
|
#include "source/val/validate.h"
|
|
|
|
#include <algorithm>
|
|
|
|
#include "source/opcode.h"
|
|
#include "source/val/instruction.h"
|
|
#include "source/val/validation_state.h"
|
|
|
|
namespace spvtools {
|
|
namespace val {
|
|
namespace {
|
|
|
|
spv_result_t ValidateFunction(ValidationState_t& _, const Instruction* inst) {
|
|
const auto function_type_id = inst->GetOperandAs<uint32_t>(3);
|
|
const auto function_type = _.FindDef(function_type_id);
|
|
if (!function_type || SpvOpTypeFunction != function_type->opcode()) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunction Function Type <id> '" << _.getIdName(function_type_id)
|
|
<< "' is not a function type.";
|
|
}
|
|
|
|
const auto return_id = function_type->GetOperandAs<uint32_t>(1);
|
|
if (return_id != inst->type_id()) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunction Result Type <id> '" << _.getIdName(inst->type_id())
|
|
<< "' does not match the Function Type's return type <id> '"
|
|
<< _.getIdName(return_id) << "'.";
|
|
}
|
|
|
|
const std::vector<SpvOp> acceptable = {
|
|
SpvOpDecorate,
|
|
SpvOpEnqueueKernel,
|
|
SpvOpEntryPoint,
|
|
SpvOpExecutionMode,
|
|
SpvOpExecutionModeId,
|
|
SpvOpFunctionCall,
|
|
SpvOpGetKernelNDrangeSubGroupCount,
|
|
SpvOpGetKernelNDrangeMaxSubGroupSize,
|
|
SpvOpGetKernelWorkGroupSize,
|
|
SpvOpGetKernelPreferredWorkGroupSizeMultiple,
|
|
SpvOpGetKernelLocalSizeForSubgroupCount,
|
|
SpvOpGetKernelMaxNumSubgroups,
|
|
SpvOpName};
|
|
for (auto& pair : inst->uses()) {
|
|
const auto* use = pair.first;
|
|
if (std::find(acceptable.begin(), acceptable.end(), use->opcode()) ==
|
|
acceptable.end()) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, use)
|
|
<< "Invalid use of function result id " << _.getIdName(inst->id())
|
|
<< ".";
|
|
}
|
|
}
|
|
|
|
return SPV_SUCCESS;
|
|
}
|
|
|
|
spv_result_t ValidateFunctionParameter(ValidationState_t& _,
|
|
const Instruction* inst) {
|
|
// NOTE: Find OpFunction & ensure OpFunctionParameter is not out of place.
|
|
size_t param_index = 0;
|
|
size_t inst_num = inst->LineNum() - 1;
|
|
if (inst_num == 0) {
|
|
return _.diag(SPV_ERROR_INVALID_LAYOUT, inst)
|
|
<< "Function parameter cannot be the first instruction.";
|
|
}
|
|
|
|
auto func_inst = &_.ordered_instructions()[inst_num];
|
|
while (--inst_num) {
|
|
func_inst = &_.ordered_instructions()[inst_num];
|
|
if (func_inst->opcode() == SpvOpFunction) {
|
|
break;
|
|
} else if (func_inst->opcode() == SpvOpFunctionParameter) {
|
|
++param_index;
|
|
}
|
|
}
|
|
|
|
if (func_inst->opcode() != SpvOpFunction) {
|
|
return _.diag(SPV_ERROR_INVALID_LAYOUT, inst)
|
|
<< "Function parameter must be preceded by a function.";
|
|
}
|
|
|
|
const auto function_type_id = func_inst->GetOperandAs<uint32_t>(3);
|
|
const auto function_type = _.FindDef(function_type_id);
|
|
if (!function_type) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, func_inst)
|
|
<< "Missing function type definition.";
|
|
}
|
|
if (param_index >= function_type->words().size() - 3) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "Too many OpFunctionParameters for " << func_inst->id()
|
|
<< ": expected " << function_type->words().size() - 3
|
|
<< " based on the function's type";
|
|
}
|
|
|
|
const auto param_type =
|
|
_.FindDef(function_type->GetOperandAs<uint32_t>(param_index + 2));
|
|
if (!param_type || inst->type_id() != param_type->id()) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionParameter Result Type <id> '"
|
|
<< _.getIdName(inst->type_id())
|
|
<< "' does not match the OpTypeFunction parameter "
|
|
"type of the same index.";
|
|
}
|
|
|
|
// Validate that PhysicalStorageBufferEXT have one of Restrict, Aliased,
|
|
// RestrictPointerEXT, or AliasedPointerEXT.
|
|
auto param_nonarray_type_id = param_type->id();
|
|
while (_.GetIdOpcode(param_nonarray_type_id) == SpvOpTypeArray) {
|
|
param_nonarray_type_id =
|
|
_.FindDef(param_nonarray_type_id)->GetOperandAs<uint32_t>(1u);
|
|
}
|
|
if (_.GetIdOpcode(param_nonarray_type_id) == SpvOpTypePointer) {
|
|
auto param_nonarray_type = _.FindDef(param_nonarray_type_id);
|
|
if (param_nonarray_type->GetOperandAs<uint32_t>(1u) ==
|
|
SpvStorageClassPhysicalStorageBufferEXT) {
|
|
// check for Aliased or Restrict
|
|
const auto& decorations = _.id_decorations(inst->id());
|
|
|
|
bool foundAliased = std::any_of(
|
|
decorations.begin(), decorations.end(), [](const Decoration& d) {
|
|
return SpvDecorationAliased == d.dec_type();
|
|
});
|
|
|
|
bool foundRestrict = std::any_of(
|
|
decorations.begin(), decorations.end(), [](const Decoration& d) {
|
|
return SpvDecorationRestrict == d.dec_type();
|
|
});
|
|
|
|
if (!foundAliased && !foundRestrict) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionParameter " << inst->id()
|
|
<< ": expected Aliased or Restrict for PhysicalStorageBufferEXT "
|
|
"pointer.";
|
|
}
|
|
if (foundAliased && foundRestrict) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionParameter " << inst->id()
|
|
<< ": can't specify both Aliased and Restrict for "
|
|
"PhysicalStorageBufferEXT pointer.";
|
|
}
|
|
} else {
|
|
const auto pointee_type_id =
|
|
param_nonarray_type->GetOperandAs<uint32_t>(2);
|
|
const auto pointee_type = _.FindDef(pointee_type_id);
|
|
if (SpvOpTypePointer == pointee_type->opcode() &&
|
|
pointee_type->GetOperandAs<uint32_t>(1u) ==
|
|
SpvStorageClassPhysicalStorageBufferEXT) {
|
|
// check for AliasedPointerEXT/RestrictPointerEXT
|
|
const auto& decorations = _.id_decorations(inst->id());
|
|
|
|
bool foundAliased = std::any_of(
|
|
decorations.begin(), decorations.end(), [](const Decoration& d) {
|
|
return SpvDecorationAliasedPointerEXT == d.dec_type();
|
|
});
|
|
|
|
bool foundRestrict = std::any_of(
|
|
decorations.begin(), decorations.end(), [](const Decoration& d) {
|
|
return SpvDecorationRestrictPointerEXT == d.dec_type();
|
|
});
|
|
|
|
if (!foundAliased && !foundRestrict) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionParameter " << inst->id()
|
|
<< ": expected AliasedPointerEXT or RestrictPointerEXT for "
|
|
"PhysicalStorageBufferEXT pointer.";
|
|
}
|
|
if (foundAliased && foundRestrict) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionParameter " << inst->id()
|
|
<< ": can't specify both AliasedPointerEXT and "
|
|
"RestrictPointerEXT for PhysicalStorageBufferEXT pointer.";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return SPV_SUCCESS;
|
|
}
|
|
|
|
spv_result_t ValidateFunctionCall(ValidationState_t& _,
|
|
const Instruction* inst) {
|
|
const auto function_id = inst->GetOperandAs<uint32_t>(2);
|
|
const auto function = _.FindDef(function_id);
|
|
if (!function || SpvOpFunction != function->opcode()) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionCall Function <id> '" << _.getIdName(function_id)
|
|
<< "' is not a function.";
|
|
}
|
|
|
|
auto return_type = _.FindDef(function->type_id());
|
|
if (!return_type || return_type->id() != inst->type_id()) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionCall Result Type <id> '"
|
|
<< _.getIdName(inst->type_id())
|
|
<< "'s type does not match Function <id> '"
|
|
<< _.getIdName(return_type->id()) << "'s return type.";
|
|
}
|
|
|
|
const auto function_type_id = function->GetOperandAs<uint32_t>(3);
|
|
const auto function_type = _.FindDef(function_type_id);
|
|
if (!function_type || function_type->opcode() != SpvOpTypeFunction) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "Missing function type definition.";
|
|
}
|
|
|
|
const auto function_call_arg_count = inst->words().size() - 4;
|
|
const auto function_param_count = function_type->words().size() - 3;
|
|
if (function_param_count != function_call_arg_count) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionCall Function <id>'s parameter count does not match "
|
|
"the argument count.";
|
|
}
|
|
|
|
for (size_t argument_index = 3, param_index = 2;
|
|
argument_index < inst->operands().size();
|
|
argument_index++, param_index++) {
|
|
const auto argument_id = inst->GetOperandAs<uint32_t>(argument_index);
|
|
const auto argument = _.FindDef(argument_id);
|
|
if (!argument) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "Missing argument " << argument_index - 3 << " definition.";
|
|
}
|
|
|
|
const auto argument_type = _.FindDef(argument->type_id());
|
|
if (!argument_type) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "Missing argument " << argument_index - 3
|
|
<< " type definition.";
|
|
}
|
|
|
|
const auto parameter_type_id =
|
|
function_type->GetOperandAs<uint32_t>(param_index);
|
|
const auto parameter_type = _.FindDef(parameter_type_id);
|
|
if (!parameter_type || argument_type->id() != parameter_type->id()) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "OpFunctionCall Argument <id> '" << _.getIdName(argument_id)
|
|
<< "'s type does not match Function <id> '"
|
|
<< _.getIdName(parameter_type_id) << "'s parameter type.";
|
|
}
|
|
|
|
if (_.addressing_model() == SpvAddressingModelLogical) {
|
|
if (parameter_type->opcode() == SpvOpTypePointer) {
|
|
SpvStorageClass sc = parameter_type->GetOperandAs<SpvStorageClass>(1u);
|
|
// Validate which storage classes can be pointer operands.
|
|
switch (sc) {
|
|
case SpvStorageClassUniformConstant:
|
|
case SpvStorageClassFunction:
|
|
case SpvStorageClassPrivate:
|
|
case SpvStorageClassWorkgroup:
|
|
case SpvStorageClassAtomicCounter:
|
|
// These are always allowed.
|
|
break;
|
|
case SpvStorageClassStorageBuffer:
|
|
if (!_.features().variable_pointers_storage_buffer) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "StorageBuffer pointer operand "
|
|
<< _.getIdName(argument_id)
|
|
<< " requires a variable pointers capability";
|
|
}
|
|
break;
|
|
default:
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "Invalid storage class for pointer operand "
|
|
<< _.getIdName(argument_id);
|
|
}
|
|
|
|
// Validate memory object declaration requirements.
|
|
if (argument->opcode() != SpvOpVariable &&
|
|
argument->opcode() != SpvOpFunctionParameter) {
|
|
const bool ssbo_vptr =
|
|
_.features().variable_pointers_storage_buffer &&
|
|
sc == SpvStorageClassStorageBuffer;
|
|
const bool wg_vptr =
|
|
_.features().variable_pointers && sc == SpvStorageClassWorkgroup;
|
|
if (!ssbo_vptr && !wg_vptr) {
|
|
return _.diag(SPV_ERROR_INVALID_ID, inst)
|
|
<< "Pointer operand " << _.getIdName(argument_id)
|
|
<< " must be a memory object declaration";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return SPV_SUCCESS;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
spv_result_t FunctionPass(ValidationState_t& _, const Instruction* inst) {
|
|
switch (inst->opcode()) {
|
|
case SpvOpFunction:
|
|
if (auto error = ValidateFunction(_, inst)) return error;
|
|
break;
|
|
case SpvOpFunctionParameter:
|
|
if (auto error = ValidateFunctionParameter(_, inst)) return error;
|
|
break;
|
|
case SpvOpFunctionCall:
|
|
if (auto error = ValidateFunctionCall(_, inst)) return error;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return SPV_SUCCESS;
|
|
}
|
|
|
|
} // namespace val
|
|
} // namespace spvtools
|