mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-01 23:40:04 +00:00
714bf84e58
* Moved mode setting opcode validation out of idUsage and into a new pass * minor style updates
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
// Copyright (c) 2018 Google LLC.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "source/val/validate.h"
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#include <algorithm>
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#include "source/opcode.h"
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#include "source/val/instruction.h"
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#include "source/val/validation_state.h"
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namespace spvtools {
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namespace val {
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namespace {
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spv_result_t ValidateEntryPoint(ValidationState_t& _, const Instruction* inst) {
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const auto entry_point_id = inst->GetOperandAs<uint32_t>(1);
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auto entry_point = _.FindDef(entry_point_id);
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if (!entry_point || SpvOpFunction != entry_point->opcode()) {
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return _.diag(SPV_ERROR_INVALID_ID, inst)
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<< "OpEntryPoint Entry Point <id> '" << _.getIdName(entry_point_id)
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<< "' is not a function.";
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}
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// don't check kernel function signatures
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const SpvExecutionModel execution_model =
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inst->GetOperandAs<SpvExecutionModel>(0);
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if (execution_model != SpvExecutionModelKernel) {
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// TODO: Check the entry point signature is void main(void), may be subject
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// to change
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const auto entry_point_type_id = entry_point->GetOperandAs<uint32_t>(3);
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const auto entry_point_type = _.FindDef(entry_point_type_id);
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if (!entry_point_type || 3 != entry_point_type->words().size()) {
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return _.diag(SPV_ERROR_INVALID_ID, inst)
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<< "OpEntryPoint Entry Point <id> '" << _.getIdName(entry_point_id)
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<< "'s function parameter count is not zero.";
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}
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}
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auto return_type = _.FindDef(entry_point->type_id());
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if (!return_type || SpvOpTypeVoid != return_type->opcode()) {
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return _.diag(SPV_ERROR_INVALID_ID, inst)
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<< "OpEntryPoint Entry Point <id> '" << _.getIdName(entry_point_id)
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<< "'s function return type is not void.";
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}
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return SPV_SUCCESS;
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}
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spv_result_t ValidateExecutionMode(ValidationState_t& _,
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const Instruction* inst) {
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const auto entry_point_id = inst->GetOperandAs<uint32_t>(0);
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const auto found = std::find(_.entry_points().cbegin(),
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_.entry_points().cend(), entry_point_id);
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if (found == _.entry_points().cend()) {
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return _.diag(SPV_ERROR_INVALID_ID, inst)
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<< "OpExecutionMode Entry Point <id> '"
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<< _.getIdName(entry_point_id)
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<< "' is not the Entry Point "
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"operand of an OpEntryPoint.";
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}
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return SPV_SUCCESS;
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}
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} // namespace
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spv_result_t ModeSettingPass(ValidationState_t& _, const Instruction* inst) {
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switch (inst->opcode()) {
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case SpvOpEntryPoint:
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if (auto error = ValidateEntryPoint(_, inst)) return error;
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break;
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case SpvOpExecutionMode:
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if (auto error = ValidateExecutionMode(_, inst)) return error;
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break;
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default:
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break;
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}
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return SPV_SUCCESS;
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}
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} // namespace val
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} // namespace spvtools
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