read-framebuffer ( framebuffer-rect -- byte-array ) (original) (raw)

Vocabulary
gpu.framebuffers

Inputs

framebuffer-rect a framebuffer-rect

Outputs

byte-array a byte-array

Word description
Reads the rectangular region framebuffer-rect into a new byte-array. The format of the byte array is determined by the component-order and component-type of the associated framebuffer-attachment.

Notes
User-created framebuffer objects require OpenGL 3.0 or one of the GL_ARB_framebuffer_object or GL_EXT_framebuffer_object extensions.

See also
read-framebuffer-image, read-framebuffer-to

Definition

USING: byte-arrays gpu.framebuffers.private kernel ;

IN: gpu.framebuffers

: read-framebuffer ( framebuffer-rect -- byte-array )
dup framebuffer-rect-size
[ read-framebuffer-to ] keep ; inline