| // 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 <string> |
| |
| #include "source/diagnostic.h" |
| #include "source/opcode.h" |
| #include "source/val/instruction.h" |
| #include "source/val/validate.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 |