4c345166dc
Due to bugged glslang / spirv-tools w.r.t. terminator instructions, add a hack to ignore invalid SPIR-V for the time being.
104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
/*
|
|
* Copyright 2018-2021 Arm Limited
|
|
* SPDX-License-Identifier: Apache-2.0 OR MIT
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* At your option, you may choose to accept this material under either:
|
|
* 1. The Apache License, Version 2.0, found at <http://www.apache.org/licenses/LICENSE-2.0>, or
|
|
* 2. The MIT License, found at <http://opensource.org/licenses/MIT>.
|
|
*/
|
|
|
|
#ifndef SPIRV_CROSS_PARSER_HPP
|
|
#define SPIRV_CROSS_PARSER_HPP
|
|
|
|
#include "spirv_cross_parsed_ir.hpp"
|
|
#include <stdint.h>
|
|
|
|
namespace SPIRV_CROSS_NAMESPACE
|
|
{
|
|
class Parser
|
|
{
|
|
public:
|
|
Parser(const uint32_t *spirv_data, size_t word_count);
|
|
Parser(std::vector<uint32_t> spirv);
|
|
|
|
void parse();
|
|
|
|
ParsedIR &get_parsed_ir()
|
|
{
|
|
return ir;
|
|
}
|
|
|
|
private:
|
|
ParsedIR ir;
|
|
SPIRFunction *current_function = nullptr;
|
|
SPIRBlock *current_block = nullptr;
|
|
// For workarounds.
|
|
bool ignore_trailing_block_opcodes = false;
|
|
|
|
void parse(const Instruction &instr);
|
|
const uint32_t *stream(const Instruction &instr) const;
|
|
|
|
template <typename T, typename... P>
|
|
T &set(uint32_t id, P &&... args)
|
|
{
|
|
ir.add_typed_id(static_cast<Types>(T::type), id);
|
|
auto &var = variant_set<T>(ir.ids[id], std::forward<P>(args)...);
|
|
var.self = id;
|
|
return var;
|
|
}
|
|
|
|
template <typename T>
|
|
T &get(uint32_t id)
|
|
{
|
|
return variant_get<T>(ir.ids[id]);
|
|
}
|
|
|
|
template <typename T>
|
|
T *maybe_get(uint32_t id)
|
|
{
|
|
if (ir.ids[id].get_type() == static_cast<Types>(T::type))
|
|
return &get<T>(id);
|
|
else
|
|
return nullptr;
|
|
}
|
|
|
|
template <typename T>
|
|
const T &get(uint32_t id) const
|
|
{
|
|
return variant_get<T>(ir.ids[id]);
|
|
}
|
|
|
|
template <typename T>
|
|
const T *maybe_get(uint32_t id) const
|
|
{
|
|
if (ir.ids[id].get_type() == T::type)
|
|
return &get<T>(id);
|
|
else
|
|
return nullptr;
|
|
}
|
|
|
|
// This must be an ordered data structure so we always pick the same type aliases.
|
|
SmallVector<uint32_t> global_struct_cache;
|
|
SmallVector<std::pair<uint32_t, uint32_t>> forward_pointer_fixups;
|
|
|
|
bool types_are_logically_equivalent(const SPIRType &a, const SPIRType &b) const;
|
|
bool variable_storage_is_aliased(const SPIRVariable &v) const;
|
|
};
|
|
} // namespace SPIRV_CROSS_NAMESPACE
|
|
|
|
#endif
|