al_lock_vertex_buffer - Online Linux Manual PageSection : 3
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Source : Allegro reference manual
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NAMEal_lock_vertex_buffer − Allegro 5 API

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SYNOPSIS #include <allegro5/allegro_primitives.h> void* al_lock_vertex_buffer(ALLEGRO_VERTEX_BUFFER* buffer, int offset,    int length, int flags)

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DESCRIPTIONLocks a vertex buffer so you can access its data. Will return NULL if the parameters are invalid, if reading is requested from a write only buffer, or if the buffer is already locked. Parameters: • buffer − Vertex buffer to lock • offset − Vertex index of the start of the locked range • length − How many vertices to lock • flags − ALLEGRO_LOCK_READONLY, ALLEGRO_LOCK_WRITEONLY or ALLEGRO_LOCK_READWRITE

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SINCE5.1.3

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SEE ALSOALLEGRO_VERTEX_BUFFER(3), al_unlock_vertex_buffer(3) 0

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