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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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