Class: Gl::Shader

Inherits:
GlInternalMarked show all
Defined in:
lib/opengl-core/aux/program.rb,
lib/opengl-core/aux/shader.rb

Overview

Needed even if the class isn’t actually used

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from GlInternalMarked

#==, #__mark__, __marked_allocated__, #__unmark__, allocated, clear_all, delete_all, inherited, #marked?

Constructor Details

#initialize(kind, name = nil) ⇒ Shader

Returns a new instance of Shader.



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# File 'lib/opengl-core/aux/shader.rb', line 9

def initialize(kind, name = nil)
  super()
  @name = (name != 0 && name) || Gl.glCreateShader(kind)
  @kind = kind
  __mark__
end

Instance Attribute Details

#kind ⇒ Object (readonly)

Returns the value of attribute kind.



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# File 'lib/opengl-core/aux/shader.rb', line 7

def kind
  @kind
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/opengl-core/aux/shader.rb', line 6

def name
  @name
end

Instance Method Details

#compile ⇒ Object 



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# File 'lib/opengl-core/aux/shader.rb', line 34

def compile
  Gl.glCompileShader(@name)
  @compile_status = nil
  compiled?
end

#compiled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opengl-core/aux/shader.rb', line 40

def compiled?
  @compile_status = (!@compile_status.nil? && @compile_status) ||
    Gl.glGetShader(@name, Gl::GL_COMPILE_STATUS) == GL_TRUE
end

#delete ⇒ Object 



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# File 'lib/opengl-core/aux/shader.rb', line 16

def delete
  if @name != 0
    Gl.glDeleteShader(@name)
    @name = 0
    super
  end
  self
end

#info_log ⇒ Object 



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# File 'lib/opengl-core/aux/shader.rb', line 45

def info_log
  Gl.glGetShaderInfoLog(@name)
end

#source ⇒ Object 



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# File 'lib/opengl-core/aux/shader.rb', line 30

def source
  Gl.glGetShaderSource(@name)
end

#source=(sources) ⇒ Object 



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# File 'lib/opengl-core/aux/shader.rb', line 25

def source=(sources)
  Gl.glShaderSource(@name, sources)
  sources
end