mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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e70a412609
This CL moves the various validate files into the val/ directory with the rest of the validation infrastructure. This matches how opt/ is setup with the passes with the infrastructure.
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
// Copyright (c) 2017 Google 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 derivative SPIR-V instructions.
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#include "source/val/validate.h"
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#include "source/diagnostic.h"
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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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// Validates correctness of derivative instructions.
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spv_result_t DerivativesPass(ValidationState_t& _, const Instruction* inst) {
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const SpvOp opcode = inst->opcode();
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const uint32_t result_type = inst->type_id();
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switch (opcode) {
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case SpvOpDPdx:
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case SpvOpDPdy:
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case SpvOpFwidth:
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case SpvOpDPdxFine:
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case SpvOpDPdyFine:
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case SpvOpFwidthFine:
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case SpvOpDPdxCoarse:
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case SpvOpDPdyCoarse:
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case SpvOpFwidthCoarse: {
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if (!_.IsFloatScalarOrVectorType(result_type)) {
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return _.diag(SPV_ERROR_INVALID_DATA)
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<< "Expected Result Type to be float scalar or vector type: "
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<< spvOpcodeString(opcode);
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}
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const uint32_t p_type = _.GetOperandTypeId(inst, 2);
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if (p_type != result_type) {
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return _.diag(SPV_ERROR_INVALID_DATA)
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<< "Expected P type and Result Type to be the same: "
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<< spvOpcodeString(opcode);
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}
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_.current_function().RegisterExecutionModelLimitation(
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SpvExecutionModelFragment, std::string(
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"Derivative instructions require Fragment execution model: ") +
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spvOpcodeString(opcode));
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break;
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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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