Class: Gl::Buffer

Inherits:
GlInternalMarked show all
Defined in:
lib/opengl-core/aux/buffer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from GlInternalMarked

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

Constructor Details

#initialize(target, name = nil) ⇒ Buffer

Returns a new instance of Buffer.



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

def initialize(target, name = nil)
  super()
  @name = (name != 0 && name) || 0
  @target = target
  __mark__ if @name != 0
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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

def name
  @name
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



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

def target
  @target
end

Class Method Details

.unbind(target) ⇒ Object 



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

def self.unbind(target)
  Gl.glBindBuffer(target, 0)
  self
end

Instance Method Details

#bind(target = nil) ⇒ Object 



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

def bind(target = nil)
  if @name == 0
    @name = Gl.glGenBuffers(1)[0]
    __mark__
  end
  Gl.glBindBuffer(target || @target, @name)
  self
end

#delete ⇒ Object 



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

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

#unbind(target = nil) ⇒ Object 



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# File 'lib/opengl-core/aux/buffer.rb', line 39

def unbind(target = nil)
  self.class.unbind(target || @target)
  self
end