Commit 55b6fd85 authored by Laszlo Agocs's avatar Laszlo Agocs
Browse files

Add files missing from 3rdparty upgrade

parent 0d1f7dcd
/*
* Copyright 2018 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 <assert.h>
using namespace std;
using namespace spv;
namespace spirv_cross
{
void ParsedIR::set_id_bounds(uint32_t bounds)
{
ids.resize(bounds);
meta.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
{
return meta[id].decoration.alias;
}
const string &ParsedIR::get_member_name(uint32_t id, uint32_t index) const
{
auto &m = meta[id];
if (index >= m.members.size())
{
static string empty;
return empty;
}
return m.members[index].alias;
}
void ParsedIR::set_name(uint32_t id, const string &name)
{
auto &str = meta[id].decoration.alias;
str.clear();
if (name.empty())
return;
// glslang uses identifiers to pass along meaningful information
// about HLSL reflection.
// FIXME: This should be deprecated eventually.
auto &m = meta[id];
if (source.hlsl && name.size() >= 6 && name.find("@count") == name.size() - 6)
{
m.hlsl_magic_counter_buffer_candidate = true;
m.hlsl_magic_counter_buffer_name = name.substr(0, name.find("@count"));
}
else
{
m.hlsl_magic_counter_buffer_candidate = false;
m.hlsl_magic_counter_buffer_name.clear();
}
// 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[id].hlsl_is_magic_counter_buffer = true;
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 = meta[var.self].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 = meta[id];
if (index >= m.members.size())
{
static const Bitset cleared = {};
return cleared;
}
return m.members[index].decoration_flags;
}
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 &dec = meta[id].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;
default:
return 1;
}
}
const string &ParsedIR::get_decoration_string(uint32_t id, Decoration decoration) const
{
auto &dec = meta[id].decoration;
static const string empty;
if (!dec.decoration_flags.get(decoration))
return empty;
switch (decoration)
{
case DecorationHlslSemanticGOOGLE:
return dec.hlsl_semantic;
default:
return empty;
}
}
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 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 = meta[id];
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 &dec = meta[id].decoration;
return dec.decoration_flags;
}
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
{
static const string empty;
auto &m = meta[id];
if (!has_member_decoration(id, index, decoration))
return empty;
auto &dec = m.members[index];
switch (decoration)
{
case DecorationHlslSemanticGOOGLE:
return dec.hlsl_semantic;
default:
return empty;
}
}
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);
meta.resize(new_bound);
block_meta.resize(new_bound);
return uint32_t(curr_bound);
}
} // namespace spirv_cross
\ No newline at end of file
/*
* Copyright 2018 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_PARSED_IR_HPP
#define SPIRV_CROSS_PARSED_IR_HPP
#include "spirv_common.hpp"
#include <stdint.h>
#include <unordered_map>
#include <vector>
namespace spirv_cross
{
// This data structure holds all information needed to perform cross-compilation and reflection.
// It is the output of the Parser, but any implementation could create this structure.
// It is intentionally very "open" and struct-like with some helper functions to deal with decorations.
// Parser is the reference implementation of how this data structure should be filled in.
class ParsedIR
{
public:
// Resizes ids, meta and block_meta.
void set_id_bounds(uint32_t bounds);
// The raw SPIR-V, instructions and opcodes refer to this by offset + count.
std::vector<uint32_t> spirv;
// Holds various data structures which inherit from IVariant.
std::vector<Variant> ids;
// Various meta data for IDs, decorations, names, etc.
std::vector<Meta> meta;
// Declared capabilities and extensions in the SPIR-V module.