2cc374a0c8
Buffer objects can contain arbitrary pointers to blocks. We can also implement ConvertPtrToU and ConvertUToPtr. The latter can cast a uint64_t to any type as it pleases, so we will need to generate fake buffer reference blocks to be able to cast the type.
752 lines
17 KiB
C++
752 lines
17 KiB
C++
/*
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* Copyright 2018-2019 Arm Limited
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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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*/
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#include "spirv_cross_parsed_ir.hpp"
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#include <algorithm>
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#include <assert.h>
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using namespace std;
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using namespace spv;
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namespace SPIRV_CROSS_NAMESPACE
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{
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ParsedIR::ParsedIR()
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{
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// If we move ParsedIR, we need to make sure the pointer stays fixed since the child Variant objects consume a pointer to this group,
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// so need an extra pointer here.
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pool_group.reset(new ObjectPoolGroup);
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pool_group->pools[TypeType].reset(new ObjectPool<SPIRType>);
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pool_group->pools[TypeVariable].reset(new ObjectPool<SPIRVariable>);
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pool_group->pools[TypeConstant].reset(new ObjectPool<SPIRConstant>);
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pool_group->pools[TypeFunction].reset(new ObjectPool<SPIRFunction>);
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pool_group->pools[TypeFunctionPrototype].reset(new ObjectPool<SPIRFunctionPrototype>);
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pool_group->pools[TypeBlock].reset(new ObjectPool<SPIRBlock>);
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pool_group->pools[TypeExtension].reset(new ObjectPool<SPIRExtension>);
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pool_group->pools[TypeExpression].reset(new ObjectPool<SPIRExpression>);
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pool_group->pools[TypeConstantOp].reset(new ObjectPool<SPIRConstantOp>);
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pool_group->pools[TypeCombinedImageSampler].reset(new ObjectPool<SPIRCombinedImageSampler>);
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pool_group->pools[TypeAccessChain].reset(new ObjectPool<SPIRAccessChain>);
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pool_group->pools[TypeUndef].reset(new ObjectPool<SPIRUndef>);
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}
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// Should have been default-implemented, but need this on MSVC 2013.
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ParsedIR::ParsedIR(ParsedIR &&other) SPIRV_CROSS_NOEXCEPT
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{
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*this = move(other);
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}
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ParsedIR &ParsedIR::operator=(ParsedIR &&other) SPIRV_CROSS_NOEXCEPT
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{
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if (this != &other)
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{
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pool_group = move(other.pool_group);
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spirv = move(other.spirv);
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meta = move(other.meta);
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for (int i = 0; i < TypeCount; i++)
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ids_for_type[i] = move(other.ids_for_type[i]);
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ids_for_constant_or_type = move(other.ids_for_constant_or_type);
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ids_for_constant_or_variable = move(other.ids_for_constant_or_variable);
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declared_capabilities = move(other.declared_capabilities);
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declared_extensions = move(other.declared_extensions);
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block_meta = move(other.block_meta);
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continue_block_to_loop_header = move(other.continue_block_to_loop_header);
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entry_points = move(other.entry_points);
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ids = move(other.ids);
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addressing_model = other.addressing_model;
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memory_model = other.memory_model;
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default_entry_point = other.default_entry_point;
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source = other.source;
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loop_iteration_depth = other.loop_iteration_depth;
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}
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return *this;
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}
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ParsedIR::ParsedIR(const ParsedIR &other)
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: ParsedIR()
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{
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*this = other;
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}
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ParsedIR &ParsedIR::operator=(const ParsedIR &other)
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{
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if (this != &other)
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{
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spirv = other.spirv;
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meta = other.meta;
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for (int i = 0; i < TypeCount; i++)
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ids_for_type[i] = other.ids_for_type[i];
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ids_for_constant_or_type = other.ids_for_constant_or_type;
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ids_for_constant_or_variable = other.ids_for_constant_or_variable;
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declared_capabilities = other.declared_capabilities;
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declared_extensions = other.declared_extensions;
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block_meta = other.block_meta;
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continue_block_to_loop_header = other.continue_block_to_loop_header;
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entry_points = other.entry_points;
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default_entry_point = other.default_entry_point;
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source = other.source;
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loop_iteration_depth = other.loop_iteration_depth;
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addressing_model = other.addressing_model;
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memory_model = other.memory_model;
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// Very deliberate copying of IDs. There is no default copy constructor, nor a simple default constructor.
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// Construct object first so we have the correct allocator set-up, then we can copy object into our new pool group.
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ids.clear();
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ids.reserve(other.ids.size());
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for (size_t i = 0; i < other.ids.size(); i++)
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{
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ids.emplace_back(pool_group.get());
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ids.back() = other.ids[i];
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}
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}
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return *this;
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}
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void ParsedIR::set_id_bounds(uint32_t bounds)
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{
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ids.reserve(bounds);
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while (ids.size() < bounds)
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ids.emplace_back(pool_group.get());
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block_meta.resize(bounds);
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}
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static string ensure_valid_identifier(const string &name, bool member)
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{
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// Functions in glslangValidator are mangled with name(<mangled> stuff.
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// Normally, we would never see '(' in any legal identifiers, so just strip them out.
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auto str = name.substr(0, name.find('('));
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for (uint32_t i = 0; i < str.size(); i++)
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{
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auto &c = str[i];
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if (member)
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{
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// _m<num> variables are reserved by the internal implementation,
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// otherwise, make sure the name is a valid identifier.
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if (i == 0)
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c = isalpha(c) ? c : '_';
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else if (i == 2 && str[0] == '_' && str[1] == 'm')
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c = isalpha(c) ? c : '_';
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else
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c = isalnum(c) ? c : '_';
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}
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else
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{
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// _<num> variables are reserved by the internal implementation,
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// otherwise, make sure the name is a valid identifier.
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if (i == 0 || (str[0] == '_' && i == 1))
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c = isalpha(c) ? c : '_';
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else
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c = isalnum(c) ? c : '_';
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}
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}
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return str;
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}
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const string &ParsedIR::get_name(uint32_t id) const
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{
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auto *m = find_meta(id);
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if (m)
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return m->decoration.alias;
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else
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return empty_string;
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}
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const string &ParsedIR::get_member_name(uint32_t id, uint32_t index) const
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{
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auto *m = find_meta(id);
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if (m)
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{
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if (index >= m->members.size())
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return empty_string;
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return m->members[index].alias;
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}
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else
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return empty_string;
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}
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void ParsedIR::set_name(uint32_t id, const string &name)
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{
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auto &str = meta[id].decoration.alias;
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str.clear();
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if (name.empty())
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return;
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// Reserved for temporaries.
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if (name[0] == '_' && name.size() >= 2 && isdigit(name[1]))
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return;
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str = ensure_valid_identifier(name, false);
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}
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void ParsedIR::set_member_name(uint32_t id, uint32_t index, const string &name)
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{
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meta[id].members.resize(max(meta[id].members.size(), size_t(index) + 1));
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auto &str = meta[id].members[index].alias;
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str.clear();
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if (name.empty())
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return;
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// Reserved for unnamed members.
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if (name[0] == '_' && name.size() >= 3 && name[1] == 'm' && isdigit(name[2]))
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return;
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str = ensure_valid_identifier(name, true);
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}
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void ParsedIR::set_decoration_string(uint32_t id, Decoration decoration, const string &argument)
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{
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auto &dec = meta[id].decoration;
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dec.decoration_flags.set(decoration);
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switch (decoration)
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{
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case DecorationHlslSemanticGOOGLE:
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dec.hlsl_semantic = argument;
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break;
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default:
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break;
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}
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}
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void ParsedIR::set_decoration(uint32_t id, Decoration decoration, uint32_t argument)
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{
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auto &dec = meta[id].decoration;
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dec.decoration_flags.set(decoration);
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switch (decoration)
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{
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case DecorationBuiltIn:
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dec.builtin = true;
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dec.builtin_type = static_cast<BuiltIn>(argument);
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break;
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case DecorationLocation:
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dec.location = argument;
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break;
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case DecorationComponent:
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dec.component = argument;
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break;
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case DecorationOffset:
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dec.offset = argument;
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break;
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case DecorationArrayStride:
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dec.array_stride = argument;
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break;
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case DecorationMatrixStride:
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dec.matrix_stride = argument;
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break;
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case DecorationBinding:
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dec.binding = argument;
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break;
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case DecorationDescriptorSet:
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dec.set = argument;
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break;
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case DecorationInputAttachmentIndex:
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dec.input_attachment = argument;
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break;
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case DecorationSpecId:
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dec.spec_id = argument;
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break;
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case DecorationIndex:
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dec.index = argument;
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break;
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case DecorationHlslCounterBufferGOOGLE:
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meta[id].hlsl_magic_counter_buffer = argument;
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meta[argument].hlsl_is_magic_counter_buffer = true;
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break;
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case DecorationFPRoundingMode:
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dec.fp_rounding_mode = static_cast<FPRoundingMode>(argument);
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break;
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default:
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break;
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}
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}
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void ParsedIR::set_member_decoration(uint32_t id, uint32_t index, Decoration decoration, uint32_t argument)
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{
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meta[id].members.resize(max(meta[id].members.size(), size_t(index) + 1));
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auto &dec = meta[id].members[index];
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dec.decoration_flags.set(decoration);
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switch (decoration)
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{
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case DecorationBuiltIn:
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dec.builtin = true;
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dec.builtin_type = static_cast<BuiltIn>(argument);
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break;
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case DecorationLocation:
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dec.location = argument;
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break;
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case DecorationComponent:
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dec.component = argument;
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break;
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case DecorationBinding:
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dec.binding = argument;
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break;
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case DecorationOffset:
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dec.offset = argument;
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break;
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case DecorationSpecId:
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dec.spec_id = argument;
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break;
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case DecorationMatrixStride:
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dec.matrix_stride = argument;
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break;
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case DecorationIndex:
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dec.index = argument;
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break;
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default:
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break;
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}
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}
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// Recursively marks any constants referenced by the specified constant instruction as being used
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// as an array length. The id must be a constant instruction (SPIRConstant or SPIRConstantOp).
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void ParsedIR::mark_used_as_array_length(uint32_t id)
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{
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switch (ids[id].get_type())
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{
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case TypeConstant:
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get<SPIRConstant>(id).is_used_as_array_length = true;
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break;
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case TypeConstantOp:
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{
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auto &cop = get<SPIRConstantOp>(id);
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for (uint32_t arg_id : cop.arguments)
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mark_used_as_array_length(arg_id);
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break;
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}
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case TypeUndef:
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break;
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default:
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assert(0);
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}
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}
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Bitset ParsedIR::get_buffer_block_flags(const SPIRVariable &var) const
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{
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auto &type = get<SPIRType>(var.basetype);
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assert(type.basetype == SPIRType::Struct);
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// Some flags like non-writable, non-readable are actually found
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// as member decorations. If all members have a decoration set, propagate
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// the decoration up as a regular variable decoration.
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Bitset base_flags;
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auto *m = find_meta(var.self);
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if (m)
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base_flags = m->decoration.decoration_flags;
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if (type.member_types.empty())
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return base_flags;
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Bitset all_members_flags = get_member_decoration_bitset(type.self, 0);
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for (uint32_t i = 1; i < uint32_t(type.member_types.size()); i++)
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all_members_flags.merge_and(get_member_decoration_bitset(type.self, i));
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base_flags.merge_or(all_members_flags);
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return base_flags;
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}
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const Bitset &ParsedIR::get_member_decoration_bitset(uint32_t id, uint32_t index) const
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{
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auto *m = find_meta(id);
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if (m)
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{
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if (index >= m->members.size())
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return cleared_bitset;
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return m->members[index].decoration_flags;
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}
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else
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return cleared_bitset;
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}
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bool ParsedIR::has_decoration(uint32_t id, Decoration decoration) const
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{
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return get_decoration_bitset(id).get(decoration);
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}
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uint32_t ParsedIR::get_decoration(uint32_t id, Decoration decoration) const
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{
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auto *m = find_meta(id);
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if (!m)
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return 0;
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auto &dec = m->decoration;
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if (!dec.decoration_flags.get(decoration))
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return 0;
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switch (decoration)
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{
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case DecorationBuiltIn:
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return dec.builtin_type;
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case DecorationLocation:
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return dec.location;
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case DecorationComponent:
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return dec.component;
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case DecorationOffset:
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return dec.offset;
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case DecorationBinding:
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return dec.binding;
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case DecorationDescriptorSet:
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return dec.set;
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case DecorationInputAttachmentIndex:
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return dec.input_attachment;
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case DecorationSpecId:
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return dec.spec_id;
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case DecorationArrayStride:
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return dec.array_stride;
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case DecorationMatrixStride:
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return dec.matrix_stride;
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case DecorationIndex:
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return dec.index;
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case DecorationFPRoundingMode:
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return dec.fp_rounding_mode;
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default:
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return 1;
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}
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}
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const string &ParsedIR::get_decoration_string(uint32_t id, Decoration decoration) const
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{
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auto *m = find_meta(id);
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if (!m)
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return empty_string;
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auto &dec = m->decoration;
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if (!dec.decoration_flags.get(decoration))
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return empty_string;
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switch (decoration)
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{
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case DecorationHlslSemanticGOOGLE:
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return dec.hlsl_semantic;
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default:
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return empty_string;
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}
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}
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void ParsedIR::unset_decoration(uint32_t id, Decoration decoration)
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{
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auto &dec = meta[id].decoration;
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dec.decoration_flags.clear(decoration);
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switch (decoration)
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{
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case DecorationBuiltIn:
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dec.builtin = false;
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break;
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case DecorationLocation:
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dec.location = 0;
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break;
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case DecorationComponent:
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dec.component = 0;
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break;
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case DecorationOffset:
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dec.offset = 0;
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break;
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case DecorationBinding:
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dec.binding = 0;
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break;
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case DecorationDescriptorSet:
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dec.set = 0;
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break;
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case DecorationInputAttachmentIndex:
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dec.input_attachment = 0;
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break;
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case DecorationSpecId:
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dec.spec_id = 0;
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break;
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case DecorationHlslSemanticGOOGLE:
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dec.hlsl_semantic.clear();
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break;
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case DecorationFPRoundingMode:
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dec.fp_rounding_mode = FPRoundingModeMax;
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break;
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case DecorationHlslCounterBufferGOOGLE:
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{
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auto &counter = meta[id].hlsl_magic_counter_buffer;
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if (counter)
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{
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meta[counter].hlsl_is_magic_counter_buffer = false;
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counter = 0;
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}
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break;
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}
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default:
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break;
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}
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}
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bool ParsedIR::has_member_decoration(uint32_t id, uint32_t index, Decoration decoration) const
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{
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return get_member_decoration_bitset(id, index).get(decoration);
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}
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uint32_t ParsedIR::get_member_decoration(uint32_t id, uint32_t index, Decoration decoration) const
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{
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auto *m = find_meta(id);
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if (!m)
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return 0;
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if (index >= m->members.size())
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return 0;
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auto &dec = m->members[index];
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if (!dec.decoration_flags.get(decoration))
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return 0;
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switch (decoration)
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{
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case DecorationBuiltIn:
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return dec.builtin_type;
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case DecorationLocation:
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return dec.location;
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case DecorationComponent:
|
|
return dec.component;
|
|
case DecorationBinding:
|
|
return dec.binding;
|
|
case DecorationOffset:
|
|
return dec.offset;
|
|
case DecorationSpecId:
|
|
return dec.spec_id;
|
|
case DecorationIndex:
|
|
return dec.index;
|
|
default:
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
const Bitset &ParsedIR::get_decoration_bitset(uint32_t id) const
|
|
{
|
|
auto *m = find_meta(id);
|
|
if (m)
|
|
{
|
|
auto &dec = m->decoration;
|
|
return dec.decoration_flags;
|
|
}
|
|
else
|
|
return cleared_bitset;
|
|
}
|
|
|
|
void ParsedIR::set_member_decoration_string(uint32_t id, uint32_t index, Decoration decoration, const string &argument)
|
|
{
|
|
meta[id].members.resize(max(meta[id].members.size(), size_t(index) + 1));
|
|
auto &dec = meta[id].members[index];
|
|
dec.decoration_flags.set(decoration);
|
|
|
|
switch (decoration)
|
|
{
|
|
case DecorationHlslSemanticGOOGLE:
|
|
dec.hlsl_semantic = argument;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
const string &ParsedIR::get_member_decoration_string(uint32_t id, uint32_t index, Decoration decoration) const
|
|
{
|
|
auto *m = find_meta(id);
|
|
if (m)
|
|
{
|
|
if (!has_member_decoration(id, index, decoration))
|
|
return empty_string;
|
|
|
|
auto &dec = m->members[index];
|
|
|
|
switch (decoration)
|
|
{
|
|
case DecorationHlslSemanticGOOGLE:
|
|
return dec.hlsl_semantic;
|
|
|
|
default:
|
|
return empty_string;
|
|
}
|
|
}
|
|
else
|
|
return empty_string;
|
|
}
|
|
|
|
void ParsedIR::unset_member_decoration(uint32_t id, uint32_t index, Decoration decoration)
|
|
{
|
|
auto &m = meta[id];
|
|
if (index >= m.members.size())
|
|
return;
|
|
|
|
auto &dec = m.members[index];
|
|
|
|
dec.decoration_flags.clear(decoration);
|
|
switch (decoration)
|
|
{
|
|
case DecorationBuiltIn:
|
|
dec.builtin = false;
|
|
break;
|
|
|
|
case DecorationLocation:
|
|
dec.location = 0;
|
|
break;
|
|
|
|
case DecorationComponent:
|
|
dec.component = 0;
|
|
break;
|
|
|
|
case DecorationOffset:
|
|
dec.offset = 0;
|
|
break;
|
|
|
|
case DecorationSpecId:
|
|
dec.spec_id = 0;
|
|
break;
|
|
|
|
case DecorationHlslSemanticGOOGLE:
|
|
dec.hlsl_semantic.clear();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
uint32_t ParsedIR::increase_bound_by(uint32_t incr_amount)
|
|
{
|
|
auto curr_bound = ids.size();
|
|
auto new_bound = curr_bound + incr_amount;
|
|
|
|
ids.reserve(ids.size() + incr_amount);
|
|
for (uint32_t i = 0; i < incr_amount; i++)
|
|
ids.emplace_back(pool_group.get());
|
|
|
|
block_meta.resize(new_bound);
|
|
return uint32_t(curr_bound);
|
|
}
|
|
|
|
void ParsedIR::remove_typed_id(Types type, uint32_t id)
|
|
{
|
|
auto &type_ids = ids_for_type[type];
|
|
type_ids.erase(remove(begin(type_ids), end(type_ids), id), end(type_ids));
|
|
}
|
|
|
|
void ParsedIR::reset_all_of_type(Types type)
|
|
{
|
|
for (auto &id : ids_for_type[type])
|
|
if (ids[id].get_type() == type)
|
|
ids[id].reset();
|
|
|
|
ids_for_type[type].clear();
|
|
}
|
|
|
|
void ParsedIR::add_typed_id(Types type, uint32_t id)
|
|
{
|
|
if (loop_iteration_depth)
|
|
SPIRV_CROSS_THROW("Cannot add typed ID while looping over it.");
|
|
|
|
if (ids[id].empty() || ids[id].get_type() != type)
|
|
{
|
|
switch (type)
|
|
{
|
|
case TypeConstant:
|
|
ids_for_constant_or_variable.push_back(id);
|
|
ids_for_constant_or_type.push_back(id);
|
|
break;
|
|
|
|
case TypeVariable:
|
|
ids_for_constant_or_variable.push_back(id);
|
|
break;
|
|
|
|
case TypeType:
|
|
case TypeConstantOp:
|
|
ids_for_constant_or_type.push_back(id);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ids[id].empty())
|
|
{
|
|
ids_for_type[type].push_back(id);
|
|
}
|
|
else if (ids[id].get_type() != type)
|
|
{
|
|
remove_typed_id(ids[id].get_type(), id);
|
|
ids_for_type[type].push_back(id);
|
|
}
|
|
}
|
|
|
|
const Meta *ParsedIR::find_meta(uint32_t id) const
|
|
{
|
|
auto itr = meta.find(id);
|
|
if (itr != end(meta))
|
|
return &itr->second;
|
|
else
|
|
return nullptr;
|
|
}
|
|
|
|
Meta *ParsedIR::find_meta(uint32_t id)
|
|
{
|
|
auto itr = meta.find(id);
|
|
if (itr != end(meta))
|
|
return &itr->second;
|
|
else
|
|
return nullptr;
|
|
}
|
|
|
|
} // namespace SPIRV_CROSS_NAMESPACE
|