struct Gloop::Program::Uniforms

• Gloop::Program::Uniforms
• Struct
• Value
• Object

Overview

Access to active uniforms from a program.

Use #at to reference a uniform by its location. Use the string variants of #[] and #[]? to reference a uniform by its name.

NOTE The uniform index is different than its location. The location is used to get and set a uniform's value. The index is used to retrieve metadata of the uniform.

Included Modules

• Gloop::Contextual
• Gloop::Parameters
• Indexable(Gloop::Uniform)

Defined in:

gloop/program/uniforms.cr

Constructors

• .new(context : Context, name : Name)

  Creates a references to the active uniforms in a program.

Instance Method Summary

• #[](name : String) : UniformLocation

  References an active uniform from this program by its name.

• #[]?(name : String) : UniformLocation | Nil

  References an active uniform from this program by its name.

• #at(location : Int32) : UniformLocation

  References an active uniform from this program by its location.

• #locate(name : String) : Int32

  Gets the location of a named uniform.

• #locate!(name : String) : Int32

  Gets the location of a named uniform.

• #locate?(name : String) : Int32 | Nil

  Gets the location of a named uniform.

• #name(index : UInt32) : String

  Retrieves the name of the specified uniform.

• #size

  Number of active attributes in the program.

• #unsafe_fetch(index : Int)

  Retrieves a uniform at the specified index.

Constructor Detail

Instance Method Detail