diff options
Diffstat (limited to 'src/3rdparty/SPIRV-Cross/spirv_cross_parsed_ir.cpp')
| -rw-r--r-- | src/3rdparty/SPIRV-Cross/spirv_cross_parsed_ir.cpp | 648 |
1 files changed, 648 insertions, 0 deletions
diff --git a/src/3rdparty/SPIRV-Cross/spirv_cross_parsed_ir.cpp b/src/3rdparty/SPIRV-Cross/spirv_cross_parsed_ir.cpp new file mode 100644 index 0000000..f17c2be --- /dev/null +++ b/src/3rdparty/SPIRV-Cross/spirv_cross_parsed_ir.cpp @@ -0,0 +1,648 @@ +/* + * 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. + */ + +#include "spirv_cross_parsed_ir.hpp" +#include <algorithm> +#include <assert.h> + +using namespace std; +using namespace spv; + +namespace spirv_cross +{ +void ParsedIR::set_id_bounds(uint32_t bounds) +{ + ids.resize(bounds); + block_meta.resize(bounds); +} + +static string ensure_valid_identifier(const string &name, bool member) +{ + // Functions in glslangValidator are mangled with name(<mangled> stuff. + // Normally, we would never see '(' in any legal identifiers, so just strip them out. + auto str = name.substr(0, name.find('(')); + + for (uint32_t i = 0; i < str.size(); i++) + { + auto &c = str[i]; + + if (member) + { + // _m<num> variables are reserved by the internal implementation, + // otherwise, make sure the name is a valid identifier. + if (i == 0) + c = isalpha(c) ? c : '_'; + else if (i == 2 && str[0] == '_' && str[1] == 'm') + c = isalpha(c) ? c : '_'; + else + c = isalnum(c) ? c : '_'; + } + else + { + // _<num> variables are reserved by the internal implementation, + // otherwise, make sure the name is a valid identifier. + if (i == 0 || (str[0] == '_' && i == 1)) + c = isalpha(c) ? c : '_'; + else + c = isalnum(c) ? c : '_'; + } + } + return str; +} + +const string &ParsedIR::get_name(uint32_t id) const +{ + auto *m = find_meta(id); + if (m) + return m->decoration.alias; + else + return empty_string; +} + +const string &ParsedIR::get_member_name(uint32_t id, uint32_t index) const +{ + auto *m = find_meta(id); + if (m) + { + if (index >= m->members.size()) + return empty_string; + return m->members[index].alias; + } + else + return empty_string; +} + +void ParsedIR::set_name(uint32_t id, const string &name) +{ + auto &str = meta[id].decoration.alias; + str.clear(); + + if (name.empty()) + return; + + // Reserved for temporaries. + if (name[0] == '_' && name.size() >= 2 && isdigit(name[1])) + return; + + str = ensure_valid_identifier(name, false); +} + +void ParsedIR::set_member_name(uint32_t id, uint32_t index, const string &name) +{ + meta[id].members.resize(max(meta[id].members.size(), size_t(index) + 1)); + + auto &str = meta[id].members[index].alias; + str.clear(); + if (name.empty()) + return; + + // Reserved for unnamed members. + if (name[0] == '_' && name.size() >= 3 && name[1] == 'm' && isdigit(name[2])) + return; + + str = ensure_valid_identifier(name, true); +} + +void ParsedIR::set_decoration_string(uint32_t id, Decoration decoration, const string &argument) +{ + auto &dec = meta[id].decoration; + dec.decoration_flags.set(decoration); + + switch (decoration) + { + case DecorationHlslSemanticGOOGLE: + dec.hlsl_semantic = argument; + break; + + default: + break; + } +} + +void ParsedIR::set_decoration(uint32_t id, Decoration decoration, uint32_t argument) +{ + auto &dec = meta[id].decoration; + dec.decoration_flags.set(decoration); + + switch (decoration) + { + case DecorationBuiltIn: + dec.builtin = true; + dec.builtin_type = static_cast<BuiltIn>(argument); + break; + + case DecorationLocation: + dec.location = argument; + break; + + case DecorationComponent: + dec.component = argument; + break; + + case DecorationOffset: + dec.offset = argument; + break; + + case DecorationArrayStride: + dec.array_stride = argument; + break; + + case DecorationMatrixStride: + dec.matrix_stride = argument; + break; + + case DecorationBinding: + dec.binding = argument; + break; + + case DecorationDescriptorSet: + dec.set = argument; + break; + + case DecorationInputAttachmentIndex: + dec.input_attachment = argument; + break; + + case DecorationSpecId: + dec.spec_id = argument; + break; + + case DecorationIndex: + dec.index = argument; + break; + + case DecorationHlslCounterBufferGOOGLE: + meta[id].hlsl_magic_counter_buffer = argument; + meta[argument].hlsl_is_magic_counter_buffer = true; + break; + + case DecorationFPRoundingMode: + dec.fp_rounding_mode = static_cast<FPRoundingMode>(argument); + break; + + default: + break; + } +} + +void ParsedIR::set_member_decoration(uint32_t id, uint32_t index, Decoration decoration, uint32_t 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 DecorationBuiltIn: + dec.builtin = true; + dec.builtin_type = static_cast<BuiltIn>(argument); + break; + + case DecorationLocation: + dec.location = argument; + break; + + case DecorationComponent: + dec.component = argument; + break; + + case DecorationBinding: + dec.binding = argument; + break; + + case DecorationOffset: + dec.offset = argument; + break; + + case DecorationSpecId: + dec.spec_id = argument; + break; + + case DecorationMatrixStride: + dec.matrix_stride = argument; + break; + + case DecorationIndex: + dec.index = argument; + break; + + default: + break; + } +} + +// Recursively marks any constants referenced by the specified constant instruction as being used +// as an array length. The id must be a constant instruction (SPIRConstant or SPIRConstantOp). +void ParsedIR::mark_used_as_array_length(uint32_t id) +{ + switch (ids[id].get_type()) + { + case TypeConstant: + get<SPIRConstant>(id).is_used_as_array_length = true; + break; + + case TypeConstantOp: + { + auto &cop = get<SPIRConstantOp>(id); + for (uint32_t arg_id : cop.arguments) + mark_used_as_array_length(arg_id); + break; + } + + case TypeUndef: + break; + + default: + assert(0); + } +} + +Bitset ParsedIR::get_buffer_block_flags(const SPIRVariable &var) const +{ + auto &type = get<SPIRType>(var.basetype); + assert(type.basetype == SPIRType::Struct); + + // Some flags like non-writable, non-readable are actually found + // as member decorations. If all members have a decoration set, propagate + // the decoration up as a regular variable decoration. + Bitset base_flags; + auto *m = find_meta(var.self); + if (m) + base_flags = m->decoration.decoration_flags; + + if (type.member_types.empty()) + return base_flags; + + Bitset all_members_flags = get_member_decoration_bitset(type.self, 0); + for (uint32_t i = 1; i < uint32_t(type.member_types.size()); i++) + all_members_flags.merge_and(get_member_decoration_bitset(type.self, i)); + + base_flags.merge_or(all_members_flags); + return base_flags; +} + +const Bitset &ParsedIR::get_member_decoration_bitset(uint32_t id, uint32_t index) const +{ + auto *m = find_meta(id); + if (m) + { + if (index >= m->members.size()) + return cleared_bitset; + return m->members[index].decoration_flags; + } + else + return cleared_bitset; +} + +bool ParsedIR::has_decoration(uint32_t id, Decoration decoration) const +{ + return get_decoration_bitset(id).get(decoration); +} + +uint32_t ParsedIR::get_decoration(uint32_t id, Decoration decoration) const +{ + auto *m = find_meta(id); + if (!m) + return 0; + + auto &dec = m->decoration; + if (!dec.decoration_flags.get(decoration)) + return 0; + + switch (decoration) + { + case DecorationBuiltIn: + return dec.builtin_type; + case DecorationLocation: + return dec.location; + case DecorationComponent: + return dec.component; + case DecorationOffset: + return dec.offset; + case DecorationBinding: + return dec.binding; + case DecorationDescriptorSet: + return dec.set; + case DecorationInputAttachmentIndex: + return dec.input_attachment; + case DecorationSpecId: + return dec.spec_id; + case DecorationArrayStride: + return dec.array_stride; + case DecorationMatrixStride: + return dec.matrix_stride; + case DecorationIndex: + return dec.index; + case DecorationFPRoundingMode: + return dec.fp_rounding_mode; + default: + return 1; + } +} + +const string &ParsedIR::get_decoration_string(uint32_t id, Decoration decoration) const +{ + auto *m = find_meta(id); + if (!m) + return empty_string; + + auto &dec = m->decoration; + + if (!dec.decoration_flags.get(decoration)) + return empty_string; + + switch (decoration) + { + case DecorationHlslSemanticGOOGLE: + return dec.hlsl_semantic; + + default: + return empty_string; + } +} + +void ParsedIR::unset_decoration(uint32_t id, Decoration decoration) +{ + auto &dec = meta[id].decoration; + 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 DecorationBinding: + dec.binding = 0; + break; + + case DecorationDescriptorSet: + dec.set = 0; + break; + + case DecorationInputAttachmentIndex: + dec.input_attachment = 0; + break; + + case DecorationSpecId: + dec.spec_id = 0; + break; + + case DecorationHlslSemanticGOOGLE: + dec.hlsl_semantic.clear(); + break; + + case DecorationFPRoundingMode: + dec.fp_rounding_mode = FPRoundingModeMax; + break; + + case DecorationHlslCounterBufferGOOGLE: + { + auto &counter = meta[id].hlsl_magic_counter_buffer; + if (counter) + { + meta[counter].hlsl_is_magic_counter_buffer = false; + counter = 0; + } + break; + } + + default: + break; + } +} + +bool ParsedIR::has_member_decoration(uint32_t id, uint32_t index, Decoration decoration) const +{ + return get_member_decoration_bitset(id, index).get(decoration); +} + +uint32_t ParsedIR::get_member_decoration(uint32_t id, uint32_t index, Decoration decoration) const +{ + auto *m = find_meta(id); + if (!m) + return 0; + + if (index >= m->members.size()) + return 0; + + auto &dec = m->members[index]; + if (!dec.decoration_flags.get(decoration)) + return 0; + + switch (decoration) + { + case DecorationBuiltIn: + return dec.builtin_type; + case DecorationLocation: + return dec.location; + 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.resize(new_bound); + 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."); + + 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 |