allocate-buffer ( buffer size initial-data -- ) (original) (raw)
Inputs
| buffer | a buffer |
|---|---|
| size | an integer |
| initial-data | a c-ptr or f |
Outputs
None
Word description
Discards any memory currently held by buffer and reallocates a new memory block of size bytes for it. If initial-data is not f, size bytes are copied from initial-data into the buffer to initialize it; otherwise, the buffer content is left uninitialized.
See also
allocate-byte-array, buffer-size, update-buffer, read-buffer, copy-buffer, with-mapped-buffer
Definition
USING: gpu.buffers.private opengl.gl ;
:: allocate-buffer ( buffer size initial-data -- )
buffer bind-buffer :> target target size initial-data buffer
gl-buffer-usage glBufferData ; inline