LesserPanda

Class: Shader

Shader

new Shader(shaderManager [, vertexSrc] [, fragmentSrc] [, uniforms] [, attributes])

Base shader class for PIXI managed shaders.

Parameters:
Name Type Argument Description
shaderManager ShaderManager

The webgl shader manager this shader works for.
vertexSrc string <optional>

The source of the vertex shader.
fragmentSrc string <optional>

The source of the fragment shader.
uniforms object <optional>

Uniforms for this shader.
attributes object <optional>

Attributes for this shader.
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Members

fragmentSrc :string

The fragment shader as an array of strings

Type:
  • string
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<readonly> gl :WebGLRenderingContext

The current WebGL drawing context

Type:
  • WebGLRenderingContext
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<readonly> program :WebGLProgram

The WebGL program.

Type:
  • WebGLProgram
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<readonly> uid :number

A unique id

Type:
  • number
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vertexSrc :string

The vertex shader as an array of strings

Type:
  • string
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Methods

cacheAttributeLocations(keys)

Caches the locations of the attribute for reuse.

Parameters:
Name Type Description
keys string

the attributes to cache
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cacheUniformLocations(keys)

Caches the locations of the uniform for reuse.

Parameters:
Name Type Description
keys string

the uniforms to cache
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compile()

Attaches the shaders and creates the program.

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Returns:
Type
WebGLProgram

destroy()

Destroys the shader.

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init()

Creates the shader and uses it

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initSampler2D()

Initialises a Sampler2D uniform (which may only be available later on after initUniforms once the texture has loaded)

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syncUniform(uniform)

Adds a new uniform

Parameters:
Name Type Description
uniform object

the new uniform to attach
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syncUniforms()

Updates the shader uniform values.

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