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https://github.com/KhronosGroup/SPIRV-Tools
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6520d83eff
Currently spirv-link fails if all input files don't use the same SPIR-V version. Add an option to instead use the highest input version as the output version. Note that if one of the 'old' input files uses an opcode that is deprecated in the 'new' version, the output spirv will be invalid.
99 lines
3.6 KiB
C++
99 lines
3.6 KiB
C++
// Copyright (c) 2017 Pierre Moreau
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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 INCLUDE_SPIRV_TOOLS_LINKER_HPP_
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#define INCLUDE_SPIRV_TOOLS_LINKER_HPP_
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#include <cstdint>
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#include <memory>
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#include <vector>
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#include "libspirv.hpp"
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namespace spvtools {
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class LinkerOptions {
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public:
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// Returns whether a library or an executable should be produced by the
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// linking phase.
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//
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// All exported symbols are kept when creating a library, whereas they will
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// be removed when creating an executable.
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// The returned value will be true if creating a library, and false if
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// creating an executable.
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bool GetCreateLibrary() const { return create_library_; }
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// Sets whether a library or an executable should be produced.
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void SetCreateLibrary(bool create_library) {
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create_library_ = create_library;
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}
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// Returns whether to verify the uniqueness of the unique ids in the merged
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// context.
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bool GetVerifyIds() const { return verify_ids_; }
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// Sets whether to verify the uniqueness of the unique ids in the merged
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// context.
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void SetVerifyIds(bool verify_ids) { verify_ids_ = verify_ids; }
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// Returns whether to allow for imported symbols to have no corresponding
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// exported symbols
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bool GetAllowPartialLinkage() const { return allow_partial_linkage_; }
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// Sets whether to allow for imported symbols to have no corresponding
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// exported symbols
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void SetAllowPartialLinkage(bool allow_partial_linkage) {
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allow_partial_linkage_ = allow_partial_linkage;
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}
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bool GetUseHighestVersion() const { return use_highest_version_; }
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void SetUseHighestVersion(bool use_highest_vers) {
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use_highest_version_ = use_highest_vers;
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}
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private:
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bool create_library_{false};
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bool verify_ids_{false};
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bool allow_partial_linkage_{false};
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bool use_highest_version_{false};
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};
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// Links one or more SPIR-V modules into a new SPIR-V module. That is, combine
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// several SPIR-V modules into one, resolving link dependencies between them.
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//
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// At least one binary has to be provided in |binaries|. Those binaries do not
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// have to be valid, but they should be at least parseable.
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// The functions can fail due to the following:
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// * The given context was not initialised using `spvContextCreate()`;
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// * No input modules were given;
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// * One or more of those modules were not parseable;
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// * The input modules used different addressing or memory models;
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// * The ID or global variable number limit were exceeded;
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// * Some entry points were defined multiple times;
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// * Some imported symbols did not have an exported counterpart;
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// * Possibly other reasons.
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spv_result_t Link(const Context& context,
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const std::vector<std::vector<uint32_t>>& binaries,
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std::vector<uint32_t>* linked_binary,
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const LinkerOptions& options = LinkerOptions());
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spv_result_t Link(const Context& context, const uint32_t* const* binaries,
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const size_t* binary_sizes, size_t num_binaries,
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std::vector<uint32_t>* linked_binary,
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const LinkerOptions& options = LinkerOptions());
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} // namespace spvtools
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#endif // INCLUDE_SPIRV_TOOLS_LINKER_HPP_
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