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al_create_index_buffer(3) al_create_index_buffer(3)

al_create_index_buffer - Allegro 5 API


#include <allegro5/allegro_primitives.h>
ALLEGRO_INDEX_BUFFER* al_create_index_buffer(int index_size,
    const void* initial_data, int num_indices, int flags)

    

Creates a index buffer. Can return NULL if the buffer could not be created (e.g. the system only supports write-only buffers).

Note:

This is an advanced feature, often unsupported on lower-end video cards. Be extra mindful of this function failing and make arrangements for fallback drawing functionality or a nice error message for users with such lower-end cards.

Parameters:

index_size - Size of the index in bytes. Supported sizes are 2 for short integers and 4 for integers
initial_data - Memory buffer to copy from to initialize the index buffer. Can be NULL, in which case the buffer is uninitialized.
num_indices - Number of indices the buffer will hold
flags - A combination of the ALLEGRO_PRIM_BUFFER_FLAGS(3) flags specifying how this buffer will be created. Passing 0 is the same as passing ALLEGRO_PRIM_BUFFER_STATIC.

5.1.8

ALLEGRO_INDEX_BUFFER(3), al_destroy_index_buffer(3)
Allegro reference manual

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