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https://github.com/KhronosGroup/SPIRV-Tools
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e935dac9ef
* Make pointers to logically matching types interchangeable with option. DXC will be generating code where the function parameters will be a more generic type that the actual parameter. They should be logically matching and the decorations of the actual parameter must be a superset of the decorations of the formal parameter. We want to accept this code with an options so that spirv-opt can then inline and fix the type mismatch. We will accept this under a new options `--before-hlsl-legalization`. The new option will also imply `relax-logical-pointer` so that HLSL frontends will need to use just the one more generic option. Moved the |LogicallyMatches| to the validation state to make it available in more places. Also added a parameter to have it check the decorations. I did not do a separate function for the decorations because checking the decorations involves making sure the types logically match anyway. Fixes #2535
62 lines
2.2 KiB
C
62 lines
2.2 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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#ifndef SOURCE_SPIRV_VALIDATOR_OPTIONS_H_
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#define SOURCE_SPIRV_VALIDATOR_OPTIONS_H_
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#include "spirv-tools/libspirv.h"
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// Return true if the command line option for the validator limit is valid (Also
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// returns the Enum for option in this case). Returns false otherwise.
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bool spvParseUniversalLimitsOptions(const char* s, spv_validator_limit* limit);
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// Default initialization of this structure is to the default Universal Limits
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// described in the SPIR-V Spec.
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struct validator_universal_limits_t {
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uint32_t max_struct_members{16383};
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uint32_t max_struct_depth{255};
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uint32_t max_local_variables{524287};
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uint32_t max_global_variables{65535};
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uint32_t max_switch_branches{16383};
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uint32_t max_function_args{255};
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uint32_t max_control_flow_nesting_depth{1023};
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uint32_t max_access_chain_indexes{255};
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uint32_t max_id_bound{0x3FFFFF};
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};
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// Manages command line options passed to the SPIR-V Validator. New struct
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// members may be added for any new option.
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struct spv_validator_options_t {
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spv_validator_options_t()
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: universal_limits_(),
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relax_struct_store(false),
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relax_logical_pointer(false),
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relax_block_layout(false),
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uniform_buffer_standard_layout(false),
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scalar_block_layout(false),
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skip_block_layout(false),
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before_hlsl_legalization(false) {}
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validator_universal_limits_t universal_limits_;
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bool relax_struct_store;
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bool relax_logical_pointer;
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bool relax_block_layout;
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bool uniform_buffer_standard_layout;
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bool scalar_block_layout;
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bool skip_block_layout;
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bool before_hlsl_legalization;
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};
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#endif // SOURCE_SPIRV_VALIDATOR_OPTIONS_H_
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