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additional lib for vulkan

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CatChow0
2025-03-22 14:52:39 +01:00
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enginecustom/include/Vulkan/Include/spirv_cross/spirv_hlsl.hpp Normal file
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/*
* Copyright 2016-2021 Robert Konrad
* 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_HLSL_HPP
#define SPIRV_HLSL_HPP
#include "spirv_glsl.hpp"
#include <utility>
namespace SPIRV_CROSS_NAMESPACE
{
// Interface which remaps vertex inputs to a fixed semantic name to make linking easier.
struct HLSLVertexAttributeRemap
{
uint32_t location;
std::string semantic;
};
// Specifying a root constant (d3d12) or push constant range (vulkan).
//
// `start` and `end` denotes the range of the root constant in bytes.
// Both values need to be multiple of 4.
struct RootConstants
{
uint32_t start;
uint32_t end;
uint32_t binding;
uint32_t space;
};
// For finer control, decorations may be removed from specific resources instead with unset_decoration().
enum HLSLBindingFlagBits
{
HLSL_BINDING_AUTO_NONE_BIT = 0,
// Push constant (root constant) resources will be declared as CBVs (b-space) without a register() declaration.
// A register will be automatically assigned by the D3D compiler, but must therefore be reflected in D3D-land.
// Push constants do not normally have a DecorationBinding set, but if they do, this can be used to ignore it.
HLSL_BINDING_AUTO_PUSH_CONSTANT_BIT = 1 << 0,
// cbuffer resources will be declared as CBVs (b-space) without a register() declaration.
// A register will be automatically assigned, but must be reflected in D3D-land.
HLSL_BINDING_AUTO_CBV_BIT = 1 << 1,
// All SRVs (t-space) will be declared without a register() declaration.
HLSL_BINDING_AUTO_SRV_BIT = 1 << 2,
// All UAVs (u-space) will be declared without a register() declaration.
HLSL_BINDING_AUTO_UAV_BIT = 1 << 3,
// All samplers (s-space) will be declared without a register() declaration.
HLSL_BINDING_AUTO_SAMPLER_BIT = 1 << 4,
// No resources will be declared with register().
HLSL_BINDING_AUTO_ALL = 0x7fffffff
};
using HLSLBindingFlags = uint32_t;
// By matching stage, desc_set and binding for a SPIR-V resource,
// register bindings are set based on whether the HLSL resource is a
// CBV, UAV, SRV or Sampler. A single binding in SPIR-V might contain multiple
// resource types, e.g. COMBINED_IMAGE_SAMPLER, and SRV/Sampler bindings will be used respectively.
// On SM 5.0 and lower, register_space is ignored.
//
// To remap a push constant block which does not have any desc_set/binding associated with it,
// use ResourceBindingPushConstant{DescriptorSet,Binding} as values for desc_set/binding.
// For deeper control of push constants, set_root_constant_layouts() can be used instead.
struct HLSLResourceBinding
{
spv::ExecutionModel stage = spv::ExecutionModelMax;
uint32_t desc_set = 0;
uint32_t binding = 0;
struct Binding
{
uint32_t register_space = 0;
uint32_t register_binding = 0;
} cbv, uav, srv, sampler;
};
enum HLSLAuxBinding
{
HLSL_AUX_BINDING_BASE_VERTEX_INSTANCE = 0
};
class CompilerHLSL : public CompilerGLSL
{
public:
struct Options
{
uint32_t shader_model = 30; // TODO: map ps_4_0_level_9_0,... somehow
// Allows the PointSize builtin in SM 4.0+, and ignores it, as PointSize is not supported in SM 4+.
bool point_size_compat = false;
// Allows the PointCoord builtin, returns float2(0.5, 0.5), as PointCoord is not supported in HLSL.
bool point_coord_compat = false;
// If true, the backend will assume that VertexIndex and InstanceIndex will need to apply
// a base offset, and you will need to fill in a cbuffer with offsets.
// Set to false if you know you will never use base instance or base vertex
// functionality as it might remove an internal cbuffer.
bool support_nonzero_base_vertex_base_instance = false;
// Forces a storage buffer to always be declared as UAV, even if the readonly decoration is used.
// By default, a readonly storage buffer will be declared as ByteAddressBuffer (SRV) instead.
// Alternatively, use set_hlsl_force_storage_buffer_as_uav to specify individually.
bool force_storage_buffer_as_uav = false;
// Forces any storage image type marked as NonWritable to be considered an SRV instead.
// For this to work with function call parameters, NonWritable must be considered to be part of the type system
// so that NonWritable image arguments are also translated to Texture rather than RWTexture.
bool nonwritable_uav_texture_as_srv = false;
// Enables native 16-bit types. Needs SM 6.2.
// Uses half/int16_t/uint16_t instead of min16* types.
// Also adds support for 16-bit load-store from (RW)ByteAddressBuffer.
bool enable_16bit_types = false;
// If matrices are used as IO variables, flatten the attribute declaration to use
// TEXCOORD{N,N+1,N+2,...} rather than TEXCOORDN_{0,1,2,3}.
// If add_vertex_attribute_remap is used and this feature is used,
// the semantic name will be queried once per active location.
bool flatten_matrix_vertex_input_semantics = false;
// Rather than emitting main() for the entry point, use the name in SPIR-V.
bool use_entry_point_name = false;
// Preserve (RW)StructuredBuffer types if the input source was HLSL.
// This relies on UserTypeGOOGLE to encode the buffer type either as "structuredbuffer" or "rwstructuredbuffer"
// whereas the type can be extended with an optional subtype, e.g. "structuredbuffer:int".
bool preserve_structured_buffers = false;
};
explicit CompilerHLSL(std::vector<uint32_t> spirv_)
: CompilerGLSL(std::move(spirv_))
{
}
CompilerHLSL(const uint32_t *ir_, size_t size)
: CompilerGLSL(ir_, size)
{
}
explicit CompilerHLSL(const ParsedIR &ir_)
: CompilerGLSL(ir_)
{
}
explicit CompilerHLSL(ParsedIR &&ir_)
: CompilerGLSL(std::move(ir_))
{
}
const Options &get_hlsl_options() const
{
return hlsl_options;
}
void set_hlsl_options(const Options &opts)
{
hlsl_options = opts;
}
// Optionally specify a custom root constant layout.
//
// Push constants ranges will be split up according to the
// layout specified.
void set_root_constant_layouts(std::vector<RootConstants> layout);
// Compiles and remaps vertex attributes at specific locations to a fixed semantic.
// The default is TEXCOORD# where # denotes location.
// Matrices are unrolled to vectors with notation ${SEMANTIC}_#, where # denotes row.
// $SEMANTIC is either TEXCOORD# or a semantic name specified here.
void add_vertex_attribute_remap(const HLSLVertexAttributeRemap &vertex_attributes);
std::string compile() override;
// This is a special HLSL workaround for the NumWorkGroups builtin.
// This does not exist in HLSL, so the calling application must create a dummy cbuffer in
// which the application will store this builtin.
// The cbuffer layout will be:
// cbuffer SPIRV_Cross_NumWorkgroups : register(b#, space#) { uint3 SPIRV_Cross_NumWorkgroups_count; };
// This must be called before compile().
// The function returns 0 if NumWorkGroups builtin is not statically used in the shader from the current entry point.
// If non-zero, this returns the variable ID of a cbuffer which corresponds to
// the cbuffer declared above. By default, no binding or descriptor set decoration is set,
// so the calling application should declare explicit bindings on this ID before calling compile().
VariableID remap_num_workgroups_builtin();
// Controls how resource bindings are declared in the output HLSL.
void set_resource_binding_flags(HLSLBindingFlags flags);
// resource is a resource binding to indicate the HLSL CBV, SRV, UAV or sampler binding
// to use for a particular SPIR-V description set
// and binding. If resource bindings are provided,
// is_hlsl_resource_binding_used() will return true after calling ::compile() if
// the set/binding combination was used by the HLSL code.
void add_hlsl_resource_binding(const HLSLResourceBinding &resource);
bool is_hlsl_resource_binding_used(spv::ExecutionModel model, uint32_t set, uint32_t binding) const;
// Controls which storage buffer bindings will be forced to be declared as UAVs.
void set_hlsl_force_storage_buffer_as_uav(uint32_t desc_set, uint32_t binding);
// By default, these magic buffers are not assigned a specific binding.
void set_hlsl_aux_buffer_binding(HLSLAuxBinding binding, uint32_t register_index, uint32_t register_space);
void unset_hlsl_aux_buffer_binding(HLSLAuxBinding binding);
bool is_hlsl_aux_buffer_binding_used(HLSLAuxBinding binding) const;
private:
std::string type_to_glsl(const SPIRType &type, uint32_t id = 0) override;
std::string image_type_hlsl(const SPIRType &type, uint32_t id);
std::string image_type_hlsl_modern(const SPIRType &type, uint32_t id);
std::string image_type_hlsl_legacy(const SPIRType &type, uint32_t id);
void emit_function_prototype(SPIRFunction &func, const Bitset &return_flags) override;
void emit_hlsl_entry_point();
void emit_header() override;
void emit_resources();
void emit_interface_block_globally(const SPIRVariable &type);
void emit_interface_block_in_struct(const SPIRVariable &var, std::unordered_set<uint32_t> &active_locations);
void emit_interface_block_member_in_struct(const SPIRVariable &var, uint32_t member_index, uint32_t location,
std::unordered_set<uint32_t> &active_locations);
void emit_builtin_inputs_in_struct();
void emit_builtin_outputs_in_struct();
void emit_builtin_primitive_outputs_in_struct();
void emit_texture_op(const Instruction &i, bool sparse) override;
void emit_instruction(const Instruction &instruction) override;
void emit_glsl_op(uint32_t result_type, uint32_t result_id, uint32_t op, const uint32_t *args,
uint32_t count) override;
void emit_buffer_block(const SPIRVariable &type) override;
void emit_push_constant_block(const SPIRVariable &var) override;
void emit_uniform(const SPIRVariable &var) override;
void emit_modern_uniform(const SPIRVariable &var);
void emit_legacy_uniform(const SPIRVariable &var);
void emit_specialization_constants_and_structs();
void emit_composite_constants();
void emit_fixup() override;
std::string builtin_to_glsl(spv::BuiltIn builtin, spv::StorageClass storage) override;
std::string layout_for_member(const SPIRType &type, uint32_t index) override;
std::string to_interpolation_qualifiers(const Bitset &flags) override;
std::string bitcast_glsl_op(const SPIRType &result_type, const SPIRType &argument_type) override;
bool emit_complex_bitcast(uint32_t result_type, uint32_t id, uint32_t op0) override;
std::string to_func_call_arg(const SPIRFunction::Parameter &arg, uint32_t id) override;
std::string to_sampler_expression(uint32_t id);
std::string to_resource_binding(const SPIRVariable &var);
std::string to_resource_binding_sampler(const SPIRVariable &var);
std::string to_resource_register(HLSLBindingFlagBits flag, char space, uint32_t binding, uint32_t set);
std::string to_initializer_expression(const SPIRVariable &var) override;
void emit_sampled_image_op(uint32_t result_type, uint32_t result_id, uint32_t image_id, uint32_t samp_id) override;
void emit_access_chain(const Instruction &instruction);
void emit_load(const Instruction &instruction);
void read_access_chain(std::string *expr, const std::string &lhs, const SPIRAccessChain &chain);
void read_access_chain_struct(const std::string &lhs, const SPIRAccessChain &chain);
void read_access_chain_array(const std::string &lhs, const SPIRAccessChain &chain);
void write_access_chain(const SPIRAccessChain &chain, uint32_t value, const SmallVector<uint32_t> &composite_chain);
void write_access_chain_struct(const SPIRAccessChain &chain, uint32_t value,
const SmallVector<uint32_t> &composite_chain);
void write_access_chain_array(const SPIRAccessChain &chain, uint32_t value,
const SmallVector<uint32_t> &composite_chain);
std::string write_access_chain_value(uint32_t value, const SmallVector<uint32_t> &composite_chain, bool enclose);
void emit_store(const Instruction &instruction);
void emit_atomic(const uint32_t *ops, uint32_t length, spv::Op op);
void emit_subgroup_op(const Instruction &i) override;
void emit_block_hints(const SPIRBlock &block) override;
void emit_struct_member(const SPIRType &type, uint32_t member_type_id, uint32_t index, const std::string &qualifier,
uint32_t base_offset = 0) override;
void emit_rayquery_function(const char *commited, const char *candidate, const uint32_t *ops);
void emit_mesh_tasks(SPIRBlock &block) override;
const char *to_storage_qualifiers_glsl(const SPIRVariable &var) override;
void replace_illegal_names() override;
SPIRType::BaseType get_builtin_basetype(spv::BuiltIn builtin, SPIRType::BaseType default_type) override;
bool is_hlsl_force_storage_buffer_as_uav(ID id) const;
Options hlsl_options;
// TODO: Refactor this to be more similar to MSL, maybe have some common system in place?
bool requires_op_fmod = false;
bool requires_fp16_packing = false;
bool requires_uint2_packing = false;
bool requires_explicit_fp16_packing = false;
bool requires_unorm8_packing = false;
bool requires_snorm8_packing = false;
bool requires_unorm16_packing = false;
bool requires_snorm16_packing = false;
bool requires_bitfield_insert = false;
bool requires_bitfield_extract = false;
bool requires_inverse_2x2 = false;
bool requires_inverse_3x3 = false;
bool requires_inverse_4x4 = false;
bool requires_scalar_reflect = false;
bool requires_scalar_refract = false;
bool requires_scalar_faceforward = false;
struct TextureSizeVariants
{
// MSVC 2013 workaround.
TextureSizeVariants()
{
srv = 0;
for (auto &unorm : uav)
for (auto &u : unorm)
u = 0;
}
uint64_t srv;
uint64_t uav[3][4];
} required_texture_size_variants;
void require_texture_query_variant(uint32_t var_id);
void emit_texture_size_variants(uint64_t variant_mask, const char *vecsize_qualifier, bool uav,
const char *type_qualifier);
enum TextureQueryVariantDim
{
Query1D = 0,
Query1DArray,
Query2D,
Query2DArray,
Query3D,
QueryBuffer,
QueryCube,
QueryCubeArray,
Query2DMS,
Query2DMSArray,
QueryDimCount
};
enum TextureQueryVariantType
{
QueryTypeFloat = 0,
QueryTypeInt = 16,
QueryTypeUInt = 32,
QueryTypeCount = 3
};
enum BitcastType
{
TypeNormal,
TypePackUint2x32,
TypeUnpackUint64
};
void analyze_meshlet_writes();
void analyze_meshlet_writes(uint32_t func_id, uint32_t id_per_vertex, uint32_t id_per_primitive,
std::unordered_set<uint32_t> &processed_func_ids);
BitcastType get_bitcast_type(uint32_t result_type, uint32_t op0);
void emit_builtin_variables();
bool require_output = false;
bool require_input = false;
SmallVector<HLSLVertexAttributeRemap> remap_vertex_attributes;
uint32_t type_to_consumed_locations(const SPIRType &type) const;
std::string to_semantic(uint32_t location, spv::ExecutionModel em, spv::StorageClass sc);
uint32_t num_workgroups_builtin = 0;
HLSLBindingFlags resource_binding_flags = 0;
// Custom root constant layout, which should be emitted
// when translating push constant ranges.
std::vector<RootConstants> root_constants_layout;
void validate_shader_model();
std::string get_unique_identifier();
uint32_t unique_identifier_count = 0;
std::unordered_map<StageSetBinding, std::pair<HLSLResourceBinding, bool>, InternalHasher> resource_bindings;
void remap_hlsl_resource_binding(HLSLBindingFlagBits type, uint32_t &desc_set, uint32_t &binding);
std::unordered_set<SetBindingPair, InternalHasher> force_uav_buffer_bindings;
struct
{
uint32_t register_index = 0;
uint32_t register_space = 0;
bool explicit_binding = false;
bool used = false;
} base_vertex_info;
// Returns true if the specified ID has a UserTypeGOOGLE decoration for StructuredBuffer or RWStructuredBuffer resources.
bool is_user_type_structured(uint32_t id) const override;
std::vector<TypeID> composite_selection_workaround_types;
std::string get_inner_entry_point_name() const;
void cast_to_variable_store(uint32_t target_id, std::string &expr, const SPIRType &expr_type) override;
};
} // namespace SPIRV_CROSS_NAMESPACE
#endif