Re: [Vala] Allow passing ref/out as a pointer.

[Luca Bruno <lethalman88 gmail com>]

2012/4/15 Tal Hadad <tal_hd hotmail com>

>  There's two GL vapis in ExternalBinding page. I'm talking about
> the one inside the brackets[0]. This is part of the vapi:
> public static void glGenBuffers (GL.GLsizei n, [CCode (array_length =
> false, array_null_terminated = true)] out unowned GL.GLuint[] buffers);
> public static void glDeleteBuffers (GL.GLsizei n, [CCode (array_length =
> false, array_null_terminated = true)] GL.GLuint[]? buffers);
>
> The GL C API is:
> void glGenBuffers (GLsize n, GLuint *buffers)
> void glDeleteBuffers (GLsize n, GLuint *buffers)
>
> Which n is the count of buffers, and buffers represent a pointer
> to the first element.
>
> The generation of method glGenBuffers is completely buggy (i.e.
> failed even if I pass an GL.GLuint[] array).
> However, the generation of the second method is OK.
>
> Take a look at the first method. What the parameter should be?
> Is it should be "out GL.GLuint first_element"?

public static void glGenBuffers ([CCode (array_length_pos = 0.1)]
GL.GLuint[] buffers);
public static void glDeleteBuffers ([CCode (array_length_pos = 0.1)]
GL.GLuint[] buffers);

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