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al_create_vertex_buffer(3) |
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al_create_vertex_buffer(3) |
al_create_vertex_buffer - Allegro 5 API
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#include <allegro5/allegro_primitives.h>
ALLEGRO_VERTEX_BUFFER* al_create_vertex_buffer(ALLEGRO_VERTEX_DECL* decl,
const void* initial_data, int num_vertices, int flags)
Creates a vertex 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:
- •
- decl - Vertex type that this buffer will hold. NULL implies that this
buffer will hold ALLEGRO_VERTEX(3) vertices
- •
- initial_data - Memory buffer to copy from to initialize the vertex buffer.
Can be NULL, in which case the buffer is uninitialized.
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- num_vertices - Number of vertices 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.
ALLEGRO_VERTEX_BUFFER(3), al_destroy_vertex_buffer(3)
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