Add files missing from 3rdparty upgrade

src/3rdparty/SPIRV-Cross/spirv_cross_parsed_ir.cpp

+/*
+ * 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

src/3rdparty/SPIRV-Cross/spirv_cross_parsed_ir.hpp

+/*
+ * 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.
+	// Not really used except for reflection at the moment.
+	std::vector<spv::Capability> declared_capabilities;