viewport-state
GPU-accelerated rendering » GPU state

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Vocabulary
gpu.state

Class description
The viewport-state controls the rectangular region of the framebuffer to which window-space coordinates are mapped. Window-space vertices are mapped from the rectangle <-1.0, -1.0>­<1.0, 1.0> to the rectangular region specified by the rect slot.

See also
<viewport-state>, get-viewport-state

Definition

USING: math.rectangles ;

IN: gpu.state

TUPLE: viewport-state
    { rect rect read-only initial: RECT: { 0 0 } { 0 0 } } ;

Methods

USING: accessors gpu.state kernel opengl ;

M: viewport-state set-gpu-state*
    rect>> [ loc>> ] [ dim>> ] bi gl-viewport ;