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https://github.com/KhronosGroup/SPIRV-Tools
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a3e3869540
For the instructions which execute after the IdPass check we can provide the Instruction instead of the spv_parsed_instruction_t. This Instruction class provides a bit more context (like the source line) that is not available from spv_parsed_instruction_t.
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// Copyright (c) 2017 LunarG Inc.
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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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// Validates correctness of primitive SPIR-V instructions.
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#include "validate.h"
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#include <string>
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#include "diagnostic.h"
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#include "opcode.h"
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#include "val/instruction.h"
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#include "val/validation_state.h"
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namespace spvtools {
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namespace val {
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// Validates correctness of primitive instructions.
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spv_result_t PrimitivesPass(ValidationState_t& _, const Instruction* inst) {
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const SpvOp opcode = inst->opcode();
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switch (opcode) {
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case SpvOpEmitVertex:
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case SpvOpEndPrimitive:
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case SpvOpEmitStreamVertex:
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case SpvOpEndStreamPrimitive:
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_.current_function().RegisterExecutionModelLimitation(
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SpvExecutionModelGeometry,
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std::string(spvOpcodeString(opcode)) +
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" instructions require Geometry execution model");
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break;
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default:
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break;
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}
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switch (opcode) {
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case SpvOpEmitStreamVertex:
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case SpvOpEndStreamPrimitive: {
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const uint32_t stream_id = inst->word(1);
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const uint32_t stream_type = _.GetTypeId(stream_id);
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if (!_.IsIntScalarType(stream_type)) {
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return _.diag(SPV_ERROR_INVALID_DATA)
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<< spvOpcodeString(opcode)
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<< ": expected Stream to be int scalar";
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}
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const SpvOp stream_opcode = _.GetIdOpcode(stream_id);
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if (!spvOpcodeIsConstant(stream_opcode)) {
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return _.diag(SPV_ERROR_INVALID_DATA)
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<< spvOpcodeString(opcode)
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<< ": expected Stream to be constant instruction";
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}
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}
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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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