update-buffer ( buffer-ptr: buffer-ptr size: integer data -- )
GPU-accelerated rendering > Buffer objects

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Vocabulary
gpu.buffers

Inputs and outputs
buffer-ptra buffer-ptr
sizean integer
dataa c-ptr or f


Word description
Replaces size bytes of data in the buffer referenced by buffer-ptr with data from data.

See also
allocate-buffer, allocate-byte-array, buffer-size, read-buffer, copy-buffer, with-mapped-buffer

Definition


TYPED:: update-buffer
( buffer-ptr: buffer-ptr size: integer data -- )
buffer-ptr buffer>> :> buffer buffer bind-buffer :> target
target buffer-ptr offset>> size data glBufferSubData ;