| // Copyright (c) 2022 The Khronos Group 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 ray query instructions from SPV_KHR_ray_query |
| |
| #include "source/opcode.h" |
| #include "source/val/instruction.h" |
| #include "source/val/validate.h" |
| #include "source/val/validation_state.h" |
| |
| namespace spvtools { |
| namespace val { |
| namespace { |
| |
| spv_result_t ValidateRayQueryPointer(ValidationState_t& _, |
| const Instruction* inst, |
| uint32_t ray_query_index) { |
| const uint32_t ray_query_id = inst->GetOperandAs<uint32_t>(ray_query_index); |
| auto variable = _.FindDef(ray_query_id); |
| const auto var_opcode = variable->opcode(); |
| if (!variable || (var_opcode != spv::Op::OpVariable && |
| var_opcode != spv::Op::OpFunctionParameter && |
| var_opcode != spv::Op::OpAccessChain)) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Ray Query must be a memory object declaration"; |
| } |
| auto pointer = _.FindDef(variable->GetOperandAs<uint32_t>(0)); |
| if (!pointer || pointer->opcode() != spv::Op::OpTypePointer) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Ray Query must be a pointer"; |
| } |
| auto type = _.FindDef(pointer->GetOperandAs<uint32_t>(2)); |
| if (!type || type->opcode() != spv::Op::OpTypeRayQueryKHR) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Ray Query must be a pointer to OpTypeRayQueryKHR"; |
| } |
| return SPV_SUCCESS; |
| } |
| |
| spv_result_t ValidateIntersectionId(ValidationState_t& _, |
| const Instruction* inst, |
| uint32_t intersection_index) { |
| const uint32_t intersection_id = |
| inst->GetOperandAs<uint32_t>(intersection_index); |
| const uint32_t intersection_type = _.GetTypeId(intersection_id); |
| const spv::Op intersection_opcode = _.GetIdOpcode(intersection_id); |
| if (!_.IsIntScalarType(intersection_type) || |
| _.GetBitWidth(intersection_type) != 32 || |
| !spvOpcodeIsConstant(intersection_opcode)) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected Intersection ID to be a constant 32-bit int scalar"; |
| } |
| |
| return SPV_SUCCESS; |
| } |
| |
| } // namespace |
| |
| spv_result_t RayQueryPass(ValidationState_t& _, const Instruction* inst) { |
| const spv::Op opcode = inst->opcode(); |
| const uint32_t result_type = inst->type_id(); |
| |
| switch (opcode) { |
| case spv::Op::OpRayQueryInitializeKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 0)) return error; |
| |
| if (_.GetIdOpcode(_.GetOperandTypeId(inst, 1)) != |
| spv::Op::OpTypeAccelerationStructureKHR) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Expected Acceleration Structure to be of type " |
| "OpTypeAccelerationStructureKHR"; |
| } |
| |
| const uint32_t ray_flags = _.GetOperandTypeId(inst, 2); |
| if (!_.IsIntScalarType(ray_flags) || _.GetBitWidth(ray_flags) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Ray Flags must be a 32-bit int scalar"; |
| } |
| |
| const uint32_t cull_mask = _.GetOperandTypeId(inst, 3); |
| if (!_.IsIntScalarType(cull_mask) || _.GetBitWidth(cull_mask) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Cull Mask must be a 32-bit int scalar"; |
| } |
| |
| const uint32_t ray_origin = _.GetOperandTypeId(inst, 4); |
| if (!_.IsFloatVectorType(ray_origin) || _.GetDimension(ray_origin) != 3 || |
| _.GetBitWidth(ray_origin) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Ray Origin must be a 32-bit float 3-component vector"; |
| } |
| |
| const uint32_t ray_tmin = _.GetOperandTypeId(inst, 5); |
| if (!_.IsFloatScalarType(ray_tmin) || _.GetBitWidth(ray_tmin) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Ray TMin must be a 32-bit float scalar"; |
| } |
| |
| const uint32_t ray_direction = _.GetOperandTypeId(inst, 6); |
| if (!_.IsFloatVectorType(ray_direction) || |
| _.GetDimension(ray_direction) != 3 || |
| _.GetBitWidth(ray_direction) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Ray Direction must be a 32-bit float 3-component vector"; |
| } |
| |
| const uint32_t ray_tmax = _.GetOperandTypeId(inst, 7); |
| if (!_.IsFloatScalarType(ray_tmax) || _.GetBitWidth(ray_tmax) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Ray TMax must be a 32-bit float scalar"; |
| } |
| break; |
| } |
| |
| case spv::Op::OpRayQueryTerminateKHR: |
| case spv::Op::OpRayQueryConfirmIntersectionKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 0)) return error; |
| break; |
| } |
| |
| case spv::Op::OpRayQueryGenerateIntersectionKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 0)) return error; |
| |
| const uint32_t hit_t_id = _.GetOperandTypeId(inst, 1); |
| if (!_.IsFloatScalarType(hit_t_id) || _.GetBitWidth(hit_t_id) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "Hit T must be a 32-bit float scalar"; |
| } |
| |
| break; |
| } |
| |
| case spv::Op::OpRayQueryGetIntersectionFrontFaceKHR: |
| case spv::Op::OpRayQueryProceedKHR: |
| case spv::Op::OpRayQueryGetIntersectionCandidateAABBOpaqueKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 2)) return error; |
| |
| if (!_.IsBoolScalarType(result_type)) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected Result Type to be bool scalar type"; |
| } |
| |
| if (opcode == spv::Op::OpRayQueryGetIntersectionFrontFaceKHR) { |
| if (auto error = ValidateIntersectionId(_, inst, 3)) return error; |
| } |
| |
| break; |
| } |
| |
| case spv::Op::OpRayQueryGetIntersectionTKHR: |
| case spv::Op::OpRayQueryGetRayTMinKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 2)) return error; |
| |
| if (!_.IsFloatScalarType(result_type) || |
| _.GetBitWidth(result_type) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected Result Type to be 32-bit float scalar type"; |
| } |
| |
| if (opcode == spv::Op::OpRayQueryGetIntersectionTKHR) { |
| if (auto error = ValidateIntersectionId(_, inst, 3)) return error; |
| } |
| |
| break; |
| } |
| |
| case spv::Op::OpRayQueryGetIntersectionTypeKHR: |
| case spv::Op::OpRayQueryGetIntersectionInstanceCustomIndexKHR: |
| case spv::Op::OpRayQueryGetIntersectionInstanceIdKHR: |
| case spv::Op:: |
| OpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR: |
| case spv::Op::OpRayQueryGetIntersectionGeometryIndexKHR: |
| case spv::Op::OpRayQueryGetIntersectionPrimitiveIndexKHR: |
| case spv::Op::OpRayQueryGetRayFlagsKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 2)) return error; |
| |
| if (!_.IsIntScalarType(result_type) || _.GetBitWidth(result_type) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected Result Type to be 32-bit int scalar type"; |
| } |
| |
| if (opcode != spv::Op::OpRayQueryGetRayFlagsKHR) { |
| if (auto error = ValidateIntersectionId(_, inst, 3)) return error; |
| } |
| |
| break; |
| } |
| |
| case spv::Op::OpRayQueryGetIntersectionObjectRayDirectionKHR: |
| case spv::Op::OpRayQueryGetIntersectionObjectRayOriginKHR: |
| case spv::Op::OpRayQueryGetWorldRayDirectionKHR: |
| case spv::Op::OpRayQueryGetWorldRayOriginKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 2)) return error; |
| |
| if (!_.IsFloatVectorType(result_type) || |
| _.GetDimension(result_type) != 3 || |
| _.GetBitWidth(result_type) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected Result Type to be 32-bit float 3-component " |
| "vector type"; |
| } |
| |
| if (opcode == spv::Op::OpRayQueryGetIntersectionObjectRayDirectionKHR || |
| opcode == spv::Op::OpRayQueryGetIntersectionObjectRayOriginKHR) { |
| if (auto error = ValidateIntersectionId(_, inst, 3)) return error; |
| } |
| |
| break; |
| } |
| |
| case spv::Op::OpRayQueryGetIntersectionBarycentricsKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 2)) return error; |
| if (auto error = ValidateIntersectionId(_, inst, 3)) return error; |
| |
| if (!_.IsFloatVectorType(result_type) || |
| _.GetDimension(result_type) != 2 || |
| _.GetBitWidth(result_type) != 32) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected Result Type to be 32-bit float 2-component " |
| "vector type"; |
| } |
| |
| break; |
| } |
| |
| case spv::Op::OpRayQueryGetIntersectionObjectToWorldKHR: |
| case spv::Op::OpRayQueryGetIntersectionWorldToObjectKHR: { |
| if (auto error = ValidateRayQueryPointer(_, inst, 2)) return error; |
| if (auto error = ValidateIntersectionId(_, inst, 3)) return error; |
| |
| uint32_t num_rows = 0; |
| uint32_t num_cols = 0; |
| uint32_t col_type = 0; |
| uint32_t component_type = 0; |
| if (!_.GetMatrixTypeInfo(result_type, &num_rows, &num_cols, &col_type, |
| &component_type)) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected matrix type as Result Type"; |
| } |
| |
| if (num_cols != 4) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected Result Type matrix to have a Column Count of 4"; |
| } |
| |
| if (!_.IsFloatScalarType(component_type) || |
| _.GetBitWidth(result_type) != 32 || num_rows != 3) { |
| return _.diag(SPV_ERROR_INVALID_DATA, inst) |
| << "expected Result Type matrix to have a Column Type of " |
| "3-component 32-bit float vectors"; |
| } |
| break; |
| } |
| |
| default: |
| break; |
| } |
| |
| return SPV_SUCCESS; |
| } |
| |
| } // namespace val |
| } // namespace spvtools |
