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Diffstat (limited to 'thirdparty/spirv-cross/spirv_glsl.hpp')
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diff --git a/thirdparty/spirv-cross/spirv_glsl.hpp b/thirdparty/spirv-cross/spirv_glsl.hpp new file mode 100644 index 0000000000..8a00263234 --- /dev/null +++ b/thirdparty/spirv-cross/spirv_glsl.hpp @@ -0,0 +1,1074 @@ +/* + * Copyright 2015-2021 Arm Limited + * SPDX-License-Identifier: Apache-2.0 OR MIT + * + * 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. + */ + +/* + * At your option, you may choose to accept this material under either: + * 1. The Apache License, Version 2.0, found at <http://www.apache.org/licenses/LICENSE-2.0>, or + * 2. The MIT License, found at <http://opensource.org/licenses/MIT>. + */ + +#ifndef SPIRV_CROSS_GLSL_HPP +#define SPIRV_CROSS_GLSL_HPP + +#include "GLSL.std.450.h" +#include "spirv_cross.hpp" +#include <unordered_map> +#include <unordered_set> +#include <utility> + +namespace SPIRV_CROSS_NAMESPACE +{ +enum PlsFormat +{ + PlsNone = 0, + + PlsR11FG11FB10F, + PlsR32F, + PlsRG16F, + PlsRGB10A2, + PlsRGBA8, + PlsRG16, + + PlsRGBA8I, + PlsRG16I, + + PlsRGB10A2UI, + PlsRGBA8UI, + PlsRG16UI, + PlsR32UI +}; + +struct PlsRemap +{ + uint32_t id; + PlsFormat format; +}; + +enum AccessChainFlagBits +{ + ACCESS_CHAIN_INDEX_IS_LITERAL_BIT = 1 << 0, + ACCESS_CHAIN_CHAIN_ONLY_BIT = 1 << 1, + ACCESS_CHAIN_PTR_CHAIN_BIT = 1 << 2, + ACCESS_CHAIN_SKIP_REGISTER_EXPRESSION_READ_BIT = 1 << 3, + ACCESS_CHAIN_LITERAL_MSB_FORCE_ID = 1 << 4, + ACCESS_CHAIN_FLATTEN_ALL_MEMBERS_BIT = 1 << 5, + ACCESS_CHAIN_FORCE_COMPOSITE_BIT = 1 << 6, + ACCESS_CHAIN_PTR_CHAIN_POINTER_ARITH_BIT = 1 << 7, + ACCESS_CHAIN_PTR_CHAIN_CAST_TO_SCALAR_BIT = 1 << 8 +}; +typedef uint32_t AccessChainFlags; + +class CompilerGLSL : public Compiler +{ +public: + struct Options + { + // The shading language version. Corresponds to #version $VALUE. + uint32_t version = 450; + + // Emit the OpenGL ES shading language instead of desktop OpenGL. + bool es = false; + + // Debug option to always emit temporary variables for all expressions. + bool force_temporary = false; + // Debug option, can be increased in an attempt to workaround SPIRV-Cross bugs temporarily. + // If this limit has to be increased, it points to an implementation bug. + // In certain scenarios, the maximum number of debug iterations may increase beyond this limit + // as long as we can prove we're making certain kinds of forward progress. + uint32_t force_recompile_max_debug_iterations = 3; + + // If true, Vulkan GLSL features are used instead of GL-compatible features. + // Mostly useful for debugging SPIR-V files. + bool vulkan_semantics = false; + + // If true, gl_PerVertex is explicitly redeclared in vertex, geometry and tessellation shaders. + // The members of gl_PerVertex is determined by which built-ins are declared by the shader. + // This option is ignored in ES versions, as redeclaration in ES is not required, and it depends on a different extension + // (EXT_shader_io_blocks) which makes things a bit more fuzzy. + bool separate_shader_objects = false; + + // Flattens multidimensional arrays, e.g. float foo[a][b][c] into single-dimensional arrays, + // e.g. float foo[a * b * c]. + // This function does not change the actual SPIRType of any object. + // Only the generated code, including declarations of interface variables are changed to be single array dimension. + bool flatten_multidimensional_arrays = false; + + // For older desktop GLSL targets than version 420, the + // GL_ARB_shading_language_420pack extensions is used to be able to support + // layout(binding) on UBOs and samplers. + // If disabled on older targets, binding decorations will be stripped. + bool enable_420pack_extension = true; + + // In non-Vulkan GLSL, emit push constant blocks as UBOs rather than plain uniforms. + bool emit_push_constant_as_uniform_buffer = false; + + // Always emit uniform blocks as plain uniforms, regardless of the GLSL version, even when UBOs are supported. + // Does not apply to shader storage or push constant blocks. + bool emit_uniform_buffer_as_plain_uniforms = false; + + // Emit OpLine directives if present in the module. + // May not correspond exactly to original source, but should be a good approximation. + bool emit_line_directives = false; + + // In cases where readonly/writeonly decoration are not used at all, + // we try to deduce which qualifier(s) we should actually used, since actually emitting + // read-write decoration is very rare, and older glslang/HLSL compilers tend to just emit readwrite as a matter of fact. + // The default (true) is to enable automatic deduction for these cases, but if you trust the decorations set + // by the SPIR-V, it's recommended to set this to false. + bool enable_storage_image_qualifier_deduction = true; + + // On some targets (WebGPU), uninitialized variables are banned. + // If this is enabled, all variables (temporaries, Private, Function) + // which would otherwise be uninitialized will now be initialized to 0 instead. + bool force_zero_initialized_variables = false; + + // In GLSL, force use of I/O block flattening, similar to + // what happens on legacy GLSL targets for blocks and structs. + bool force_flattened_io_blocks = false; + + // For opcodes where we have to perform explicit additional nan checks, very ugly code is generated. + // If we opt-in, ignore these requirements. + // In opcodes like NClamp/NMin/NMax and FP compare, ignore NaN behavior. + // Use FClamp/FMin/FMax semantics for clamps and lets implementation choose ordered or unordered + // compares. + bool relax_nan_checks = false; + + // Loading row-major matrices from UBOs on older AMD Windows OpenGL drivers is problematic. + // To load these types correctly, we must generate a wrapper. them in a dummy function which only purpose is to + // ensure row_major decoration is actually respected. + // This workaround may cause significant performance degeneration on some Android devices. + bool enable_row_major_load_workaround = true; + + // If non-zero, controls layout(num_views = N) in; in GL_OVR_multiview2. + uint32_t ovr_multiview_view_count = 0; + + enum Precision + { + DontCare, + Lowp, + Mediump, + Highp + }; + + struct VertexOptions + { + // "Vertex-like shader" here is any shader stage that can write BuiltInPosition. + + // GLSL: In vertex-like shaders, rewrite [0, w] depth (Vulkan/D3D style) to [-w, w] depth (GL style). + // MSL: In vertex-like shaders, rewrite [-w, w] depth (GL style) to [0, w] depth. + // HLSL: In vertex-like shaders, rewrite [-w, w] depth (GL style) to [0, w] depth. + bool fixup_clipspace = false; + + // In vertex-like shaders, inverts gl_Position.y or equivalent. + bool flip_vert_y = false; + + // GLSL only, for HLSL version of this option, see CompilerHLSL. + // If true, the backend will assume that InstanceIndex will need to apply + // a base instance offset. Set to false if you know you will never use base instance + // functionality as it might remove some internal uniforms. + bool support_nonzero_base_instance = true; + } vertex; + + struct FragmentOptions + { + // Add precision mediump float in ES targets when emitting GLES source. + // Add precision highp int in ES targets when emitting GLES source. + Precision default_float_precision = Mediump; + Precision default_int_precision = Highp; + } fragment; + }; + + void remap_pixel_local_storage(std::vector<PlsRemap> inputs, std::vector<PlsRemap> outputs) + { + pls_inputs = std::move(inputs); + pls_outputs = std::move(outputs); + remap_pls_variables(); + } + + // Redirect a subpassInput reading from input_attachment_index to instead load its value from + // the color attachment at location = color_location. Requires ESSL. + // If coherent, uses GL_EXT_shader_framebuffer_fetch, if not, uses noncoherent variant. + void remap_ext_framebuffer_fetch(uint32_t input_attachment_index, uint32_t color_location, bool coherent); + + explicit CompilerGLSL(std::vector<uint32_t> spirv_) + : Compiler(std::move(spirv_)) + { + init(); + } + + CompilerGLSL(const uint32_t *ir_, size_t word_count) + : Compiler(ir_, word_count) + { + init(); + } + + explicit CompilerGLSL(const ParsedIR &ir_) + : Compiler(ir_) + { + init(); + } + + explicit CompilerGLSL(ParsedIR &&ir_) + : Compiler(std::move(ir_)) + { + init(); + } + + const Options &get_common_options() const + { + return options; + } + + void set_common_options(const Options &opts) + { + options = opts; + } + + std::string compile() override; + + // Returns the current string held in the conversion buffer. Useful for + // capturing what has been converted so far when compile() throws an error. + std::string get_partial_source(); + + // Adds a line to be added right after #version in GLSL backend. + // This is useful for enabling custom extensions which are outside the scope of SPIRV-Cross. + // This can be combined with variable remapping. + // A new-line will be added. + // + // While add_header_line() is a more generic way of adding arbitrary text to the header + // of a GLSL file, require_extension() should be used when adding extensions since it will + // avoid creating collisions with SPIRV-Cross generated extensions. + // + // Code added via add_header_line() is typically backend-specific. + void add_header_line(const std::string &str); + + // Adds an extension which is required to run this shader, e.g. + // require_extension("GL_KHR_my_extension"); + void require_extension(const std::string &ext); + + // Returns the list of required extensions. After compilation this will contains any other + // extensions that the compiler used automatically, in addition to the user specified ones. + const SmallVector<std::string> &get_required_extensions() const; + + // Legacy GLSL compatibility method. + // Takes a uniform or push constant variable and flattens it into a (i|u)vec4 array[N]; array instead. + // For this to work, all types in the block must be the same basic type, e.g. mixing vec2 and vec4 is fine, but + // mixing int and float is not. + // The name of the uniform array will be the same as the interface block name. + void flatten_buffer_block(VariableID id); + + // After compilation, query if a variable ID was used as a depth resource. + // This is meaningful for MSL since descriptor types depend on this knowledge. + // Cases which return true: + // - Images which are declared with depth = 1 image type. + // - Samplers which are statically used at least once with Dref opcodes. + // - Images which are statically used at least once with Dref opcodes. + bool variable_is_depth_or_compare(VariableID id) const; + + // If a shader output is active in this stage, but inactive in a subsequent stage, + // this can be signalled here. This can be used to work around certain cross-stage matching problems + // which plagues MSL and HLSL in certain scenarios. + // An output which matches one of these will not be emitted in stage output interfaces, but rather treated as a private + // variable. + // This option is only meaningful for MSL and HLSL, since GLSL matches by location directly. + // Masking builtins only takes effect if the builtin in question is part of the stage output interface. + void mask_stage_output_by_location(uint32_t location, uint32_t component); + void mask_stage_output_by_builtin(spv::BuiltIn builtin); + + // Allow to control how to format float literals in the output. + // Set to "nullptr" to use the default "convert_to_string" function. + // This handle is not owned by SPIRV-Cross and must remain valid until compile() has been called. + void set_float_formatter(FloatFormatter *formatter) + { + float_formatter = formatter; + } + +protected: + struct ShaderSubgroupSupportHelper + { + // lower enum value = greater priority + enum Candidate + { + KHR_shader_subgroup_ballot, + KHR_shader_subgroup_basic, + KHR_shader_subgroup_vote, + KHR_shader_subgroup_arithmetic, + NV_gpu_shader_5, + NV_shader_thread_group, + NV_shader_thread_shuffle, + ARB_shader_ballot, + ARB_shader_group_vote, + AMD_gcn_shader, + + CandidateCount + }; + + static const char *get_extension_name(Candidate c); + static SmallVector<std::string> get_extra_required_extension_names(Candidate c); + static const char *get_extra_required_extension_predicate(Candidate c); + + enum Feature + { + SubgroupMask = 0, + SubgroupSize = 1, + SubgroupInvocationID = 2, + SubgroupID = 3, + NumSubgroups = 4, + SubgroupBroadcast_First = 5, + SubgroupBallotFindLSB_MSB = 6, + SubgroupAll_Any_AllEqualBool = 7, + SubgroupAllEqualT = 8, + SubgroupElect = 9, + SubgroupBarrier = 10, + SubgroupMemBarrier = 11, + SubgroupBallot = 12, + SubgroupInverseBallot_InclBitCount_ExclBitCout = 13, + SubgroupBallotBitExtract = 14, + SubgroupBallotBitCount = 15, + SubgroupArithmeticIAddReduce = 16, + SubgroupArithmeticIAddExclusiveScan = 17, + SubgroupArithmeticIAddInclusiveScan = 18, + SubgroupArithmeticFAddReduce = 19, + SubgroupArithmeticFAddExclusiveScan = 20, + SubgroupArithmeticFAddInclusiveScan = 21, + SubgroupArithmeticIMulReduce = 22, + SubgroupArithmeticIMulExclusiveScan = 23, + SubgroupArithmeticIMulInclusiveScan = 24, + SubgroupArithmeticFMulReduce = 25, + SubgroupArithmeticFMulExclusiveScan = 26, + SubgroupArithmeticFMulInclusiveScan = 27, + FeatureCount + }; + + using FeatureMask = uint32_t; + static_assert(sizeof(FeatureMask) * 8u >= FeatureCount, "Mask type needs more bits."); + + using CandidateVector = SmallVector<Candidate, CandidateCount>; + using FeatureVector = SmallVector<Feature>; + + static FeatureVector get_feature_dependencies(Feature feature); + static FeatureMask get_feature_dependency_mask(Feature feature); + static bool can_feature_be_implemented_without_extensions(Feature feature); + static Candidate get_KHR_extension_for_feature(Feature feature); + + struct Result + { + Result(); + uint32_t weights[CandidateCount]; + }; + + void request_feature(Feature feature); + bool is_feature_requested(Feature feature) const; + Result resolve() const; + + static CandidateVector get_candidates_for_feature(Feature ft, const Result &r); + + private: + static CandidateVector get_candidates_for_feature(Feature ft); + static FeatureMask build_mask(const SmallVector<Feature> &features); + FeatureMask feature_mask = 0; + }; + + // TODO remove this function when all subgroup ops are supported (or make it always return true) + static bool is_supported_subgroup_op_in_opengl(spv::Op op, const uint32_t *ops); + + void reset(uint32_t iteration_count); + void emit_function(SPIRFunction &func, const Bitset &return_flags); + + bool has_extension(const std::string &ext) const; + void require_extension_internal(const std::string &ext); + + // Virtualize methods which need to be overridden by subclass targets like C++ and such. + virtual void emit_function_prototype(SPIRFunction &func, const Bitset &return_flags); + + SPIRBlock *current_emitting_block = nullptr; + SmallVector<SPIRBlock *> current_emitting_switch_stack; + bool current_emitting_switch_fallthrough = false; + + virtual void emit_instruction(const Instruction &instr); + struct TemporaryCopy + { + uint32_t dst_id; + uint32_t src_id; + }; + TemporaryCopy handle_instruction_precision(const Instruction &instr); + void emit_block_instructions(SPIRBlock &block); + void emit_block_instructions_with_masked_debug(SPIRBlock &block); + + // For relax_nan_checks. + GLSLstd450 get_remapped_glsl_op(GLSLstd450 std450_op) const; + spv::Op get_remapped_spirv_op(spv::Op op) const; + + virtual void emit_glsl_op(uint32_t result_type, uint32_t result_id, uint32_t op, const uint32_t *args, + uint32_t count); + virtual void emit_spv_amd_shader_ballot_op(uint32_t result_type, uint32_t result_id, uint32_t op, + const uint32_t *args, uint32_t count); + virtual void emit_spv_amd_shader_explicit_vertex_parameter_op(uint32_t result_type, uint32_t result_id, uint32_t op, + const uint32_t *args, uint32_t count); + virtual void emit_spv_amd_shader_trinary_minmax_op(uint32_t result_type, uint32_t result_id, uint32_t op, + const uint32_t *args, uint32_t count); + virtual void emit_spv_amd_gcn_shader_op(uint32_t result_type, uint32_t result_id, uint32_t op, const uint32_t *args, + uint32_t count); + virtual void emit_header(); + void emit_line_directive(uint32_t file_id, uint32_t line_literal); + void build_workgroup_size(SmallVector<std::string> &arguments, const SpecializationConstant &x, + const SpecializationConstant &y, const SpecializationConstant &z); + + void request_subgroup_feature(ShaderSubgroupSupportHelper::Feature feature); + + virtual void emit_sampled_image_op(uint32_t result_type, uint32_t result_id, uint32_t image_id, uint32_t samp_id); + virtual void emit_texture_op(const Instruction &i, bool sparse); + virtual std::string to_texture_op(const Instruction &i, bool sparse, bool *forward, + SmallVector<uint32_t> &inherited_expressions); + virtual void emit_subgroup_op(const Instruction &i); + virtual std::string type_to_glsl(const SPIRType &type, uint32_t id = 0); + virtual std::string builtin_to_glsl(spv::BuiltIn builtin, spv::StorageClass storage); + virtual void emit_struct_member(const SPIRType &type, uint32_t member_type_id, uint32_t index, + const std::string &qualifier = "", uint32_t base_offset = 0); + virtual void emit_struct_padding_target(const SPIRType &type); + virtual std::string image_type_glsl(const SPIRType &type, uint32_t id = 0, bool member = false); + std::string constant_expression(const SPIRConstant &c, + bool inside_block_like_struct_scope = false, + bool inside_struct_scope = false); + virtual std::string constant_op_expression(const SPIRConstantOp &cop); + virtual std::string constant_expression_vector(const SPIRConstant &c, uint32_t vector); + virtual void emit_fixup(); + virtual std::string variable_decl(const SPIRType &type, const std::string &name, uint32_t id = 0); + virtual bool variable_decl_is_remapped_storage(const SPIRVariable &var, spv::StorageClass storage) const; + virtual std::string to_func_call_arg(const SPIRFunction::Parameter &arg, uint32_t id); + + struct TextureFunctionBaseArguments + { + // GCC 4.8 workarounds, it doesn't understand '{}' constructor here, use explicit default constructor. + TextureFunctionBaseArguments() = default; + VariableID img = 0; + const SPIRType *imgtype = nullptr; + bool is_fetch = false, is_gather = false, is_proj = false; + }; + + struct TextureFunctionNameArguments + { + // GCC 4.8 workarounds, it doesn't understand '{}' constructor here, use explicit default constructor. + TextureFunctionNameArguments() = default; + TextureFunctionBaseArguments base; + bool has_array_offsets = false, has_offset = false, has_grad = false; + bool has_dref = false, is_sparse_feedback = false, has_min_lod = false; + uint32_t lod = 0; + }; + virtual std::string to_function_name(const TextureFunctionNameArguments &args); + + struct TextureFunctionArguments + { + // GCC 4.8 workarounds, it doesn't understand '{}' constructor here, use explicit default constructor. + TextureFunctionArguments() = default; + TextureFunctionBaseArguments base; + uint32_t coord = 0, coord_components = 0, dref = 0; + uint32_t grad_x = 0, grad_y = 0, lod = 0, offset = 0; + uint32_t bias = 0, component = 0, sample = 0, sparse_texel = 0, min_lod = 0; + bool nonuniform_expression = false, has_array_offsets = false; + }; + virtual std::string to_function_args(const TextureFunctionArguments &args, bool *p_forward); + + void emit_sparse_feedback_temporaries(uint32_t result_type_id, uint32_t id, uint32_t &feedback_id, + uint32_t &texel_id); + uint32_t get_sparse_feedback_texel_id(uint32_t id) const; + virtual void emit_buffer_block(const SPIRVariable &type); + virtual void emit_push_constant_block(const SPIRVariable &var); + virtual void emit_uniform(const SPIRVariable &var); + virtual std::string unpack_expression_type(std::string expr_str, const SPIRType &type, uint32_t physical_type_id, + bool packed_type, bool row_major); + + virtual bool builtin_translates_to_nonarray(spv::BuiltIn builtin) const; + + virtual bool is_user_type_structured(uint32_t id) const; + + void emit_copy_logical_type(uint32_t lhs_id, uint32_t lhs_type_id, uint32_t rhs_id, uint32_t rhs_type_id, + SmallVector<uint32_t> chain); + + StringStream<> buffer; + + template <typename T> + inline void statement_inner(T &&t) + { + buffer << std::forward<T>(t); + statement_count++; + } + + template <typename T, typename... Ts> + inline void statement_inner(T &&t, Ts &&... ts) + { + buffer << std::forward<T>(t); + statement_count++; + statement_inner(std::forward<Ts>(ts)...); + } + + template <typename... Ts> + inline void statement(Ts &&... ts) + { + if (is_forcing_recompilation()) + { + // Do not bother emitting code while force_recompile is active. + // We will compile again. + statement_count++; + return; + } + + if (redirect_statement) + { + redirect_statement->push_back(join(std::forward<Ts>(ts)...)); + statement_count++; + } + else + { + for (uint32_t i = 0; i < indent; i++) + buffer << " "; + statement_inner(std::forward<Ts>(ts)...); + buffer << '\n'; + } + } + + template <typename... Ts> + inline void statement_no_indent(Ts &&... ts) + { + auto old_indent = indent; + indent = 0; + statement(std::forward<Ts>(ts)...); + indent = old_indent; + } + + // Used for implementing continue blocks where + // we want to obtain a list of statements we can merge + // on a single line separated by comma. + SmallVector<std::string> *redirect_statement = nullptr; + const SPIRBlock *current_continue_block = nullptr; + bool block_temporary_hoisting = false; + bool block_debug_directives = false; + + void begin_scope(); + void end_scope(); + void end_scope(const std::string &trailer); + void end_scope_decl(); + void end_scope_decl(const std::string &decl); + + Options options; + + // Allow Metal to use the array<T> template to make arrays a value type + virtual std::string type_to_array_glsl(const SPIRType &type, uint32_t variable_id); + std::string to_array_size(const SPIRType &type, uint32_t index); + uint32_t to_array_size_literal(const SPIRType &type, uint32_t index) const; + uint32_t to_array_size_literal(const SPIRType &type) const; + virtual std::string variable_decl(const SPIRVariable &variable); // Threadgroup arrays can't have a wrapper type + std::string variable_decl_function_local(SPIRVariable &variable); + + void add_local_variable_name(uint32_t id); + void add_resource_name(uint32_t id); + void add_member_name(SPIRType &type, uint32_t name); + void add_function_overload(const SPIRFunction &func); + + virtual bool is_non_native_row_major_matrix(uint32_t id); + virtual bool member_is_non_native_row_major_matrix(const SPIRType &type, uint32_t index); + bool member_is_remapped_physical_type(const SPIRType &type, uint32_t index) const; + bool member_is_packed_physical_type(const SPIRType &type, uint32_t index) const; + virtual std::string convert_row_major_matrix(std::string exp_str, const SPIRType &exp_type, + uint32_t physical_type_id, bool is_packed, + bool relaxed = false); + + std::unordered_set<std::string> local_variable_names; + std::unordered_set<std::string> resource_names; + std::unordered_set<std::string> block_input_names; + std::unordered_set<std::string> block_output_names; + std::unordered_set<std::string> block_ubo_names; + std::unordered_set<std::string> block_ssbo_names; + std::unordered_set<std::string> block_names; // A union of all block_*_names. + std::unordered_map<std::string, std::unordered_set<uint64_t>> function_overloads; + std::unordered_map<uint32_t, std::string> preserved_aliases; + void preserve_alias_on_reset(uint32_t id); + void reset_name_caches(); + + bool processing_entry_point = false; + + // Can be overriden by subclass backends for trivial things which + // shouldn't need polymorphism. + struct BackendVariations + { + std::string discard_literal = "discard"; + std::string demote_literal = "demote"; + std::string null_pointer_literal = ""; + bool float_literal_suffix = false; + bool double_literal_suffix = true; + bool uint32_t_literal_suffix = true; + bool long_long_literal_suffix = false; + const char *basic_int_type = "int"; + const char *basic_uint_type = "uint"; + const char *basic_int8_type = "int8_t"; + const char *basic_uint8_type = "uint8_t"; + const char *basic_int16_type = "int16_t"; + const char *basic_uint16_type = "uint16_t"; + const char *int16_t_literal_suffix = "s"; + const char *uint16_t_literal_suffix = "us"; + const char *nonuniform_qualifier = "nonuniformEXT"; + const char *boolean_mix_function = "mix"; + SPIRType::BaseType boolean_in_struct_remapped_type = SPIRType::Boolean; + bool swizzle_is_function = false; + bool shared_is_implied = false; + bool unsized_array_supported = true; + bool explicit_struct_type = false; + bool use_initializer_list = false; + bool use_typed_initializer_list = false; + bool can_declare_struct_inline = true; + bool can_declare_arrays_inline = true; + bool native_row_major_matrix = true; + bool use_constructor_splatting = true; + bool allow_precision_qualifiers = false; + bool can_swizzle_scalar = false; + bool force_gl_in_out_block = false; + bool force_merged_mesh_block = false; + bool can_return_array = true; + bool allow_truncated_access_chain = false; + bool supports_extensions = false; + bool supports_empty_struct = false; + bool array_is_value_type = true; + bool array_is_value_type_in_buffer_blocks = true; + bool comparison_image_samples_scalar = false; + bool native_pointers = false; + bool support_small_type_sampling_result = false; + bool support_case_fallthrough = true; + bool use_array_constructor = false; + bool needs_row_major_load_workaround = false; + bool support_pointer_to_pointer = false; + bool support_precise_qualifier = false; + bool support_64bit_switch = false; + bool workgroup_size_is_hidden = false; + bool requires_relaxed_precision_analysis = false; + bool implicit_c_integer_promotion_rules = false; + } backend; + + void emit_struct(SPIRType &type); + void emit_resources(); + void emit_extension_workarounds(spv::ExecutionModel model); + void emit_subgroup_arithmetic_workaround(const std::string &func, spv::Op op, spv::GroupOperation group_op); + void emit_polyfills(uint32_t polyfills, bool relaxed); + void emit_buffer_block_native(const SPIRVariable &var); + void emit_buffer_reference_block(uint32_t type_id, bool forward_declaration); + void emit_buffer_block_legacy(const SPIRVariable &var); + void emit_buffer_block_flattened(const SPIRVariable &type); + void fixup_implicit_builtin_block_names(spv::ExecutionModel model); + void emit_declared_builtin_block(spv::StorageClass storage, spv::ExecutionModel model); + bool should_force_emit_builtin_block(spv::StorageClass storage); + void emit_push_constant_block_vulkan(const SPIRVariable &var); + void emit_push_constant_block_glsl(const SPIRVariable &var); + void emit_interface_block(const SPIRVariable &type); + void emit_flattened_io_block(const SPIRVariable &var, const char *qual); + void emit_flattened_io_block_struct(const std::string &basename, const SPIRType &type, const char *qual, + const SmallVector<uint32_t> &indices); + void emit_flattened_io_block_member(const std::string &basename, const SPIRType &type, const char *qual, + const SmallVector<uint32_t> &indices); + void emit_block_chain(SPIRBlock &block); + void emit_hoisted_temporaries(SmallVector<std::pair<TypeID, ID>> &temporaries); + std::string constant_value_macro_name(uint32_t id); + int get_constant_mapping_to_workgroup_component(const SPIRConstant &constant) const; + void emit_constant(const SPIRConstant &constant); + void emit_specialization_constant_op(const SPIRConstantOp &constant); + std::string emit_continue_block(uint32_t continue_block, bool follow_true_block, bool follow_false_block); + bool attempt_emit_loop_header(SPIRBlock &block, SPIRBlock::Method method); + + void branch(BlockID from, BlockID to); + void branch_to_continue(BlockID from, BlockID to); + void branch(BlockID from, uint32_t cond, BlockID true_block, BlockID false_block); + void flush_phi(BlockID from, BlockID to); + void flush_variable_declaration(uint32_t id); + void flush_undeclared_variables(SPIRBlock &block); + void emit_variable_temporary_copies(const SPIRVariable &var); + + bool should_dereference(uint32_t id); + bool should_forward(uint32_t id) const; + bool should_suppress_usage_tracking(uint32_t id) const; + void emit_mix_op(uint32_t result_type, uint32_t id, uint32_t left, uint32_t right, uint32_t lerp); + void emit_nminmax_op(uint32_t result_type, uint32_t id, uint32_t op0, uint32_t op1, GLSLstd450 op); + void emit_emulated_ahyper_op(uint32_t result_type, uint32_t result_id, uint32_t op0, GLSLstd450 op); + bool to_trivial_mix_op(const SPIRType &type, std::string &op, uint32_t left, uint32_t right, uint32_t lerp); + void emit_quaternary_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, uint32_t op2, + uint32_t op3, const char *op); + void emit_trinary_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, uint32_t op2, + const char *op); + void emit_binary_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, const char *op); + void emit_atomic_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, const char *op); + void emit_atomic_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, uint32_t op2, const char *op); + + void emit_unary_func_op_cast(uint32_t result_type, uint32_t result_id, uint32_t op0, const char *op, + SPIRType::BaseType input_type, SPIRType::BaseType expected_result_type); + void emit_binary_func_op_cast(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, const char *op, + SPIRType::BaseType input_type, bool skip_cast_if_equal_type); + void emit_binary_func_op_cast_clustered(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, + const char *op, SPIRType::BaseType input_type); + void emit_trinary_func_op_cast(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, uint32_t op2, + const char *op, SPIRType::BaseType input_type); + void emit_trinary_func_op_bitextract(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, + uint32_t op2, const char *op, SPIRType::BaseType expected_result_type, + SPIRType::BaseType input_type0, SPIRType::BaseType input_type1, + SPIRType::BaseType input_type2); + void emit_bitfield_insert_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, uint32_t op2, + uint32_t op3, const char *op, SPIRType::BaseType offset_count_type); + + void emit_unary_func_op(uint32_t result_type, uint32_t result_id, uint32_t op0, const char *op); + void emit_unrolled_unary_op(uint32_t result_type, uint32_t result_id, uint32_t operand, const char *op); + void emit_binary_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, const char *op); + void emit_unrolled_binary_op(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, const char *op, + bool negate, SPIRType::BaseType expected_type); + void emit_binary_op_cast(uint32_t result_type, uint32_t result_id, uint32_t op0, uint32_t op1, const char *op, + SPIRType::BaseType input_type, bool skip_cast_if_equal_type, bool implicit_integer_promotion); + + SPIRType binary_op_bitcast_helper(std::string &cast_op0, std::string &cast_op1, SPIRType::BaseType &input_type, + uint32_t op0, uint32_t op1, bool skip_cast_if_equal_type); + + virtual bool emit_complex_bitcast(uint32_t result_type, uint32_t id, uint32_t op0); + + std::string to_ternary_expression(const SPIRType &result_type, uint32_t select, uint32_t true_value, + uint32_t false_value); + + void emit_unary_op(uint32_t result_type, uint32_t result_id, uint32_t op0, const char *op); + void emit_unary_op_cast(uint32_t result_type, uint32_t result_id, uint32_t op0, const char *op); + virtual void emit_mesh_tasks(SPIRBlock &block); + bool expression_is_forwarded(uint32_t id) const; + bool expression_suppresses_usage_tracking(uint32_t id) const; + bool expression_read_implies_multiple_reads(uint32_t id) const; + SPIRExpression &emit_op(uint32_t result_type, uint32_t result_id, const std::string &rhs, bool forward_rhs, + bool suppress_usage_tracking = false); + + void access_chain_internal_append_index(std::string &expr, uint32_t base, const SPIRType *type, + AccessChainFlags flags, bool &access_chain_is_arrayed, uint32_t index); + + std::string access_chain_internal(uint32_t base, const uint32_t *indices, uint32_t count, AccessChainFlags flags, + AccessChainMeta *meta); + + // Only meaningful on backends with physical pointer support ala MSL. + // Relevant for PtrAccessChain / BDA. + virtual uint32_t get_physical_type_stride(const SPIRType &type) const; + + spv::StorageClass get_expression_effective_storage_class(uint32_t ptr); + virtual bool access_chain_needs_stage_io_builtin_translation(uint32_t base); + + virtual void check_physical_type_cast(std::string &expr, const SPIRType *type, uint32_t physical_type); + virtual bool prepare_access_chain_for_scalar_access(std::string &expr, const SPIRType &type, + spv::StorageClass storage, bool &is_packed); + + std::string access_chain(uint32_t base, const uint32_t *indices, uint32_t count, const SPIRType &target_type, + AccessChainMeta *meta = nullptr, bool ptr_chain = false); + + std::string flattened_access_chain(uint32_t base, const uint32_t *indices, uint32_t count, + const SPIRType &target_type, uint32_t offset, uint32_t matrix_stride, + uint32_t array_stride, bool need_transpose); + std::string flattened_access_chain_struct(uint32_t base, const uint32_t *indices, uint32_t count, + const SPIRType &target_type, uint32_t offset); + std::string flattened_access_chain_matrix(uint32_t base, const uint32_t *indices, uint32_t count, + const SPIRType &target_type, uint32_t offset, uint32_t matrix_stride, + bool need_transpose); + std::string flattened_access_chain_vector(uint32_t base, const uint32_t *indices, uint32_t count, + const SPIRType &target_type, uint32_t offset, uint32_t matrix_stride, + bool need_transpose); + std::pair<std::string, uint32_t> flattened_access_chain_offset(const SPIRType &basetype, const uint32_t *indices, + uint32_t count, uint32_t offset, + uint32_t word_stride, bool *need_transpose = nullptr, + uint32_t *matrix_stride = nullptr, + uint32_t *array_stride = nullptr, + bool ptr_chain = false); + + const char *index_to_swizzle(uint32_t index); + std::string remap_swizzle(const SPIRType &result_type, uint32_t input_components, const std::string &expr); + std::string declare_temporary(uint32_t type, uint32_t id); + void emit_uninitialized_temporary(uint32_t type, uint32_t id); + SPIRExpression &emit_uninitialized_temporary_expression(uint32_t type, uint32_t id); + void append_global_func_args(const SPIRFunction &func, uint32_t index, SmallVector<std::string> &arglist); + std::string to_non_uniform_aware_expression(uint32_t id); + std::string to_expression(uint32_t id, bool register_expression_read = true); + std::string to_composite_constructor_expression(const SPIRType &parent_type, uint32_t id, bool block_like_type); + std::string to_rerolled_array_expression(const SPIRType &parent_type, const std::string &expr, const SPIRType &type); + std::string to_enclosed_expression(uint32_t id, bool register_expression_read = true); + std::string to_unpacked_expression(uint32_t id, bool register_expression_read = true); + std::string to_unpacked_row_major_matrix_expression(uint32_t id); + std::string to_enclosed_unpacked_expression(uint32_t id, bool register_expression_read = true); + std::string to_dereferenced_expression(uint32_t id, bool register_expression_read = true); + std::string to_pointer_expression(uint32_t id, bool register_expression_read = true); + std::string to_enclosed_pointer_expression(uint32_t id, bool register_expression_read = true); + std::string to_extract_component_expression(uint32_t id, uint32_t index); + std::string to_extract_constant_composite_expression(uint32_t result_type, const SPIRConstant &c, + const uint32_t *chain, uint32_t length); + static bool needs_enclose_expression(const std::string &expr); + std::string enclose_expression(const std::string &expr); + std::string dereference_expression(const SPIRType &expression_type, const std::string &expr); + std::string address_of_expression(const std::string &expr); + void strip_enclosed_expression(std::string &expr); + std::string to_member_name(const SPIRType &type, uint32_t index); + virtual std::string to_member_reference(uint32_t base, const SPIRType &type, uint32_t index, bool ptr_chain_is_resolved); + std::string to_multi_member_reference(const SPIRType &type, const SmallVector<uint32_t> &indices); + std::string type_to_glsl_constructor(const SPIRType &type); + std::string argument_decl(const SPIRFunction::Parameter &arg); + virtual std::string to_qualifiers_glsl(uint32_t id); + void fixup_io_block_patch_primitive_qualifiers(const SPIRVariable &var); + void emit_output_variable_initializer(const SPIRVariable &var); + std::string to_precision_qualifiers_glsl(uint32_t id); + virtual const char *to_storage_qualifiers_glsl(const SPIRVariable &var); + std::string flags_to_qualifiers_glsl(const SPIRType &type, const Bitset &flags); + const char *format_to_glsl(spv::ImageFormat format); + virtual std::string layout_for_member(const SPIRType &type, uint32_t index); + virtual std::string to_interpolation_qualifiers(const Bitset &flags); + std::string layout_for_variable(const SPIRVariable &variable); + std::string to_combined_image_sampler(VariableID image_id, VariableID samp_id); + virtual bool skip_argument(uint32_t id) const; + virtual bool emit_array_copy(const char *expr, uint32_t lhs_id, uint32_t rhs_id, + spv::StorageClass lhs_storage, spv::StorageClass rhs_storage); + virtual void emit_block_hints(const SPIRBlock &block); + virtual std::string to_initializer_expression(const SPIRVariable &var); + virtual std::string to_zero_initialized_expression(uint32_t type_id); + bool type_can_zero_initialize(const SPIRType &type) const; + + bool buffer_is_packing_standard(const SPIRType &type, BufferPackingStandard packing, + uint32_t *failed_index = nullptr, uint32_t start_offset = 0, + uint32_t end_offset = ~(0u)); + std::string buffer_to_packing_standard(const SPIRType &type, + bool support_std430_without_scalar_layout, + bool support_enhanced_layouts); + + uint32_t type_to_packed_base_size(const SPIRType &type, BufferPackingStandard packing); + uint32_t type_to_packed_alignment(const SPIRType &type, const Bitset &flags, BufferPackingStandard packing); + uint32_t type_to_packed_array_stride(const SPIRType &type, const Bitset &flags, BufferPackingStandard packing); + uint32_t type_to_packed_size(const SPIRType &type, const Bitset &flags, BufferPackingStandard packing); + uint32_t type_to_location_count(const SPIRType &type) const; + + std::string bitcast_glsl(const SPIRType &result_type, uint32_t arg); + virtual std::string bitcast_glsl_op(const SPIRType &result_type, const SPIRType &argument_type); + + std::string bitcast_expression(SPIRType::BaseType target_type, uint32_t arg); + std::string bitcast_expression(const SPIRType &target_type, SPIRType::BaseType expr_type, const std::string &expr); + + std::string build_composite_combiner(uint32_t result_type, const uint32_t *elems, uint32_t length); + bool remove_duplicate_swizzle(std::string &op); + bool remove_unity_swizzle(uint32_t base, std::string &op); + + // Can modify flags to remote readonly/writeonly if image type + // and force recompile. + bool check_atomic_image(uint32_t id); + + virtual void replace_illegal_names(); + void replace_illegal_names(const std::unordered_set<std::string> &keywords); + virtual void emit_entry_point_declarations(); + + void replace_fragment_output(SPIRVariable &var); + void replace_fragment_outputs(); + std::string legacy_tex_op(const std::string &op, const SPIRType &imgtype, uint32_t id); + + void forward_relaxed_precision(uint32_t dst_id, const uint32_t *args, uint32_t length); + void analyze_precision_requirements(uint32_t type_id, uint32_t dst_id, uint32_t *args, uint32_t length); + Options::Precision analyze_expression_precision(const uint32_t *args, uint32_t length) const; + + uint32_t indent = 0; + + std::unordered_set<uint32_t> emitted_functions; + + // Ensure that we declare phi-variable copies even if the original declaration isn't deferred + std::unordered_set<uint32_t> flushed_phi_variables; + + std::unordered_set<uint32_t> flattened_buffer_blocks; + std::unordered_map<uint32_t, bool> flattened_structs; + + ShaderSubgroupSupportHelper shader_subgroup_supporter; + + std::string load_flattened_struct(const std::string &basename, const SPIRType &type); + std::string to_flattened_struct_member(const std::string &basename, const SPIRType &type, uint32_t index); + void store_flattened_struct(uint32_t lhs_id, uint32_t value); + void store_flattened_struct(const std::string &basename, uint32_t rhs, const SPIRType &type, + const SmallVector<uint32_t> &indices); + std::string to_flattened_access_chain_expression(uint32_t id); + + // Usage tracking. If a temporary is used more than once, use the temporary instead to + // avoid AST explosion when SPIRV is generated with pure SSA and doesn't write stuff to variables. + std::unordered_map<uint32_t, uint32_t> expression_usage_counts; + void track_expression_read(uint32_t id); + + SmallVector<std::string> forced_extensions; + SmallVector<std::string> header_lines; + + // Used when expressions emit extra opcodes with their own unique IDs, + // and we need to reuse the IDs across recompilation loops. + // Currently used by NMin/Max/Clamp implementations. + std::unordered_map<uint32_t, uint32_t> extra_sub_expressions; + + SmallVector<TypeID> workaround_ubo_load_overload_types; + void request_workaround_wrapper_overload(TypeID id); + void rewrite_load_for_wrapped_row_major(std::string &expr, TypeID loaded_type, ID ptr); + + uint32_t statement_count = 0; + + inline bool is_legacy() const + { + return (options.es && options.version < 300) || (!options.es && options.version < 130); + } + + inline bool is_legacy_es() const + { + return options.es && options.version < 300; + } + + inline bool is_legacy_desktop() const + { + return !options.es && options.version < 130; + } + + enum Polyfill : uint32_t + { + PolyfillTranspose2x2 = 1 << 0, + PolyfillTranspose3x3 = 1 << 1, + PolyfillTranspose4x4 = 1 << 2, + PolyfillDeterminant2x2 = 1 << 3, + PolyfillDeterminant3x3 = 1 << 4, + PolyfillDeterminant4x4 = 1 << 5, + PolyfillMatrixInverse2x2 = 1 << 6, + PolyfillMatrixInverse3x3 = 1 << 7, + PolyfillMatrixInverse4x4 = 1 << 8, + PolyfillNMin16 = 1 << 9, + PolyfillNMin32 = 1 << 10, + PolyfillNMin64 = 1 << 11, + PolyfillNMax16 = 1 << 12, + PolyfillNMax32 = 1 << 13, + PolyfillNMax64 = 1 << 14, + PolyfillNClamp16 = 1 << 15, + PolyfillNClamp32 = 1 << 16, + PolyfillNClamp64 = 1 << 17, + }; + + uint32_t required_polyfills = 0; + uint32_t required_polyfills_relaxed = 0; + void require_polyfill(Polyfill polyfill, bool relaxed); + + bool ray_tracing_is_khr = false; + bool barycentric_is_nv = false; + void ray_tracing_khr_fixup_locations(); + + bool args_will_forward(uint32_t id, const uint32_t *args, uint32_t num_args, bool pure); + void register_call_out_argument(uint32_t id); + void register_impure_function_call(); + void register_control_dependent_expression(uint32_t expr); + + // GL_EXT_shader_pixel_local_storage support. + std::vector<PlsRemap> pls_inputs; + std::vector<PlsRemap> pls_outputs; + std::string pls_decl(const PlsRemap &variable); + const char *to_pls_qualifiers_glsl(const SPIRVariable &variable); + void emit_pls(); + void remap_pls_variables(); + + // GL_EXT_shader_framebuffer_fetch support. + std::vector<std::pair<uint32_t, uint32_t>> subpass_to_framebuffer_fetch_attachment; + std::vector<std::pair<uint32_t, bool>> inout_color_attachments; + bool location_is_framebuffer_fetch(uint32_t location) const; + bool location_is_non_coherent_framebuffer_fetch(uint32_t location) const; + bool subpass_input_is_framebuffer_fetch(uint32_t id) const; + void emit_inout_fragment_outputs_copy_to_subpass_inputs(); + const SPIRVariable *find_subpass_input_by_attachment_index(uint32_t index) const; + const SPIRVariable *find_color_output_by_location(uint32_t location) const; + + // A variant which takes two sets of name. The secondary is only used to verify there are no collisions, + // but the set is not updated when we have found a new name. + // Used primarily when adding block interface names. + void add_variable(std::unordered_set<std::string> &variables_primary, + const std::unordered_set<std::string> &variables_secondary, std::string &name); + + void check_function_call_constraints(const uint32_t *args, uint32_t length); + void handle_invalid_expression(uint32_t id); + void force_temporary_and_recompile(uint32_t id); + void find_static_extensions(); + + uint32_t consume_temporary_in_precision_context(uint32_t type_id, uint32_t id, Options::Precision precision); + std::unordered_map<uint32_t, uint32_t> temporary_to_mirror_precision_alias; + std::unordered_set<uint32_t> composite_insert_overwritten; + std::unordered_set<uint32_t> block_composite_insert_overwrite; + + std::string emit_for_loop_initializers(const SPIRBlock &block); + void emit_while_loop_initializers(const SPIRBlock &block); + bool for_loop_initializers_are_same_type(const SPIRBlock &block); + bool optimize_read_modify_write(const SPIRType &type, const std::string &lhs, const std::string &rhs); + void fixup_image_load_store_access(); + + bool type_is_empty(const SPIRType &type); + + bool can_use_io_location(spv::StorageClass storage, bool block); + const Instruction *get_next_instruction_in_block(const Instruction &instr); + static uint32_t mask_relevant_memory_semantics(uint32_t semantics); + + std::string convert_half_to_string(const SPIRConstant &value, uint32_t col, uint32_t row); + std::string convert_float_to_string(const SPIRConstant &value, uint32_t col, uint32_t row); + std::string convert_double_to_string(const SPIRConstant &value, uint32_t col, uint32_t row); + + std::string convert_separate_image_to_expression(uint32_t id); + + // Builtins in GLSL are always specific signedness, but the SPIR-V can declare them + // as either unsigned or signed. + // Sometimes we will need to automatically perform casts on load and store to make this work. + virtual SPIRType::BaseType get_builtin_basetype(spv::BuiltIn builtin, SPIRType::BaseType default_type); + virtual void cast_to_variable_store(uint32_t target_id, std::string &expr, const SPIRType &expr_type); + virtual void cast_from_variable_load(uint32_t source_id, std::string &expr, const SPIRType &expr_type); + void unroll_array_from_complex_load(uint32_t target_id, uint32_t source_id, std::string &expr); + bool unroll_array_to_complex_store(uint32_t target_id, uint32_t source_id); + void convert_non_uniform_expression(std::string &expr, uint32_t ptr_id); + + void handle_store_to_invariant_variable(uint32_t store_id, uint32_t value_id); + void disallow_forwarding_in_expression_chain(const SPIRExpression &expr); + + bool expression_is_constant_null(uint32_t id) const; + bool expression_is_non_value_type_array(uint32_t ptr); + virtual void emit_store_statement(uint32_t lhs_expression, uint32_t rhs_expression); + + uint32_t get_integer_width_for_instruction(const Instruction &instr) const; + uint32_t get_integer_width_for_glsl_instruction(GLSLstd450 op, const uint32_t *arguments, uint32_t length) const; + + bool variable_is_lut(const SPIRVariable &var) const; + + char current_locale_radix_character = '.'; + + void fixup_type_alias(); + void reorder_type_alias(); + void fixup_anonymous_struct_names(); + void fixup_anonymous_struct_names(std::unordered_set<uint32_t> &visited, const SPIRType &type); + + static const char *vector_swizzle(int vecsize, int index); + + bool is_stage_output_location_masked(uint32_t location, uint32_t component) const; + bool is_stage_output_builtin_masked(spv::BuiltIn builtin) const; + bool is_stage_output_variable_masked(const SPIRVariable &var) const; + bool is_stage_output_block_member_masked(const SPIRVariable &var, uint32_t index, bool strip_array) const; + bool is_per_primitive_variable(const SPIRVariable &var) const; + uint32_t get_accumulated_member_location(const SPIRVariable &var, uint32_t mbr_idx, bool strip_array) const; + uint32_t get_declared_member_location(const SPIRVariable &var, uint32_t mbr_idx, bool strip_array) const; + std::unordered_set<LocationComponentPair, InternalHasher> masked_output_locations; + std::unordered_set<uint32_t> masked_output_builtins; + + FloatFormatter *float_formatter = nullptr; + std::string format_float(float value) const; + std::string format_double(double value) const; + +private: + void init(); + + SmallVector<ConstantID> get_composite_constant_ids(ConstantID const_id); + void fill_composite_constant(SPIRConstant &constant, TypeID type_id, const SmallVector<ConstantID> &initializers); + void set_composite_constant(ConstantID const_id, TypeID type_id, const SmallVector<ConstantID> &initializers); + TypeID get_composite_member_type(TypeID type_id, uint32_t member_idx); + std::unordered_map<uint32_t, SmallVector<ConstantID>> const_composite_insert_ids; +}; +} // namespace SPIRV_CROSS_NAMESPACE + +#endif |