RetroArch/deps/SPIRV-Cross/spirv_parser.hpp
twinaphex 420b7913d4 Squashed 'deps/SPIRV-Cross/' changes from 8aa6731925..2820ab0b51
2820ab0b51 Merge pull request #1076 from KhronosGroup/bitcast-pre-330-glsl
63bcbd511e GLSL: Need extension to use bitcast on GLSL < 330.
9f3bebe3d0 Merge pull request #1075 from lifpan/master
b11c20fc1d Remove unreasonable assertion for OpTypeImage Sampled parameter.
1a592b7c0f Merge pull request #1067 from cdavis5e/msl-scalar-block-layout
28454facbb MSL: Handle packed matrices.
ea5c0ed82f MSL: Fix alignment of packed types.
44f688bf0b Merge pull request #1070 from KhronosGroup/fix-1066
25c74b324e Forget loop variable enables after emitting block chain.
6b010e0cbc Merge pull request #1069 from KhronosGroup/fix-1053
f6f849397e MSL: Re-roll array expressions in initializers.
e5fa7edfd6 MSL: Support scalar block layout.

git-subtree-dir: deps/SPIRV-Cross
git-subtree-split: 2820ab0b51bf5e4187435d904b34e762b988f48b
2019-07-11 20:37:45 +02:00

95 lines
2.2 KiB
C++

/*
* Copyright 2018-2019 Arm Limited
*
* 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.
*/
#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;
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;
bool types_are_logically_equivalent(const SPIRType &a, const SPIRType &b) const;
bool variable_storage_is_aliased(const SPIRVariable &v) const;
void make_constant_null(uint32_t id, uint32_t type);
};
} // namespace SPIRV_CROSS_NAMESPACE
#endif