Module naga::back::glsl

Backend for GLSL (OpenGL Shading Language).

The main structure is Writer, it maintains internal state that is used to output a Module into glsl

Supported versions

Core

• 330
• 400
• 410
• 420
• 430
• 450

ES

• 300
• 310

Modules

• features 🔒
  Contains the features related code and the features querying method
• keywords 🔒
  Contains a constant with a slice of all the reserved keywords RESERVED_KEYWORDS

Structs

• Features
  Structure used to encode additions to GLSL that aren’t supported by all versions.
• IdGenerator 🔒
  Helper structure that generates a number
• Options
  Configuration used in the Writer.
• PipelineOptions
  A subset of options meant to be changed per pipeline.
• PushConstantItem
  All information to bind a single uniform value to the shader.
• ReflectionInfo
  Reflection info for texture mappings and uniforms.
• ScalarString 🔒
  Structure returned by glsl_scalar
• TextureMapping
  Mapping between a texture and its sampler, if it exists.
• VaryingLocation
• VaryingName 🔒
  Helper wrapper used to get a name for a varying
• VaryingOptions 🔒
  Assorted options needed for generating varyings.
• Writer
  Writer responsible for all code generation.
• WriterFlags
  Configuration flags for the Writer.

Enums

• BinaryOperation 🔒
  Binary operation with a different logic on the GLSL side.
• Error
  A GLSL compilation error.
• Version
  A GLSL version.

Constants

• CLAMPED_LOD_SUFFIX 🔒
  The suffix of the variable that will hold the calculated clamped level of detail for bounds checking in ImageLoad
• FIRST_INSTANCE_BINDING
• FREXP_FUNCTION 🔒
• MODF_FUNCTION 🔒
• SUPPORTED_CORE_VERSIONS
  List of supported core GLSL versions.
• SUPPORTED_ES_VERSIONS
  List of supported es GLSL versions.

Functions

• glsl_built_in 🔒
  Helper function that returns the glsl variable name for a builtin
• glsl_dimension 🔒
  Helper function that returns the glsl dimension string of ImageDimension
• glsl_interpolation 🔒
  Helper function that returns the string corresponding to the glsl interpolation qualifier
• glsl_sampling 🔒
  Return the GLSL auxiliary qualifier for the given sampling value.
• glsl_scalar 🔒
  Helper function that returns scalar related strings
• glsl_storage_format 🔒
  Helper function that returns the glsl storage format string of StorageFormat
• glsl_storage_qualifier 🔒
  Helper function that returns the string corresponding to the address space
• is_value_init_supported 🔒

Type Aliases

• BackendResult 🔒
  Shorthand result used internally by the backend
• BindingMap
  Mapping between resources and bindings.