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// Copyright (c) 2017 LunarG 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 correctness of primitive SPIR-V instructions.
#include "source/val/validate.h"
#include <string>
#include "source/diagnostic.h"
#include "source/opcode.h"
#include "source/val/instruction.h"
#include "source/val/validation_state.h"
namespace spvtools {
namespace val {
// Validates correctness of primitive instructions.
spv_result_t PrimitivesPass(ValidationState_t& _, const Instruction* inst) {
const SpvOp opcode = inst->opcode();
switch (opcode) {
case SpvOpEmitVertex:
case SpvOpEndPrimitive:
case SpvOpEmitStreamVertex:
case SpvOpEndStreamPrimitive:
_.function(inst->function()->id())
->RegisterExecutionModelLimitation(
SpvExecutionModelGeometry,
std::string(spvOpcodeString(opcode)) +
" instructions require Geometry execution model");
break;
default:
break;
}
switch (opcode) {
case SpvOpEmitStreamVertex:
case SpvOpEndStreamPrimitive: {
const uint32_t stream_id = inst->word(1);
const uint32_t stream_type = _.GetTypeId(stream_id);
if (!_.IsIntScalarType(stream_type)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode)
<< ": expected Stream to be int scalar";
}
const SpvOp stream_opcode = _.GetIdOpcode(stream_id);
if (!spvOpcodeIsConstant(stream_opcode)) {
return _.diag(SPV_ERROR_INVALID_DATA, inst)
<< spvOpcodeString(opcode)
<< ": expected Stream to be constant instruction";
}
}
default:
break;
}
return SPV_SUCCESS;
}
} // namespace val
} // namespace spvtools
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