mirror of
https://github.com/brl/mutter.git
synced 2024-11-12 17:27:03 -05:00
[cogl-vertex-buffer] Allow querying back the number of vertices a buffer represents
This may be convenient e.g. at draw time if you are simply drawing all vertices
This commit is contained in:
parent
39227def4b
commit
a76e333f50
@ -84,6 +84,15 @@ G_BEGIN_DECLS
|
|||||||
CoglHandle
|
CoglHandle
|
||||||
cogl_vertex_buffer_new (guint n_vertices);
|
cogl_vertex_buffer_new (guint n_vertices);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* cogl_vertex_buffer_get_n_vertices:
|
||||||
|
* @handle: A vertex buffer handle
|
||||||
|
*
|
||||||
|
* This returns the number of vertices that @handle represents
|
||||||
|
*/
|
||||||
|
guint
|
||||||
|
cogl_vertex_buffer_get_n_vertices (CoglHandle handle);
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* cogl_vertex_buffer_add:
|
* cogl_vertex_buffer_add:
|
||||||
* @handle: A vertex buffer handle
|
* @handle: A vertex buffer handle
|
||||||
|
@ -221,6 +221,19 @@ cogl_vertex_buffer_new (guint n_vertices)
|
|||||||
return _cogl_vertex_buffer_handle_new (buffer);
|
return _cogl_vertex_buffer_handle_new (buffer);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
guint
|
||||||
|
cogl_vertex_buffer_get_n_vertices (CoglHandle handle)
|
||||||
|
{
|
||||||
|
CoglVertexBuffer *buffer;
|
||||||
|
|
||||||
|
if (!cogl_is_vertex_buffer (handle))
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
buffer = _cogl_vertex_buffer_pointer_from_handle (handle);
|
||||||
|
|
||||||
|
return buffer->n_vertices;
|
||||||
|
}
|
||||||
|
|
||||||
/* There are a number of standard OpenGL attributes that we deal with
|
/* There are a number of standard OpenGL attributes that we deal with
|
||||||
* specially. These attributes are all namespaced with a "gl_" prefix
|
* specially. These attributes are all namespaced with a "gl_" prefix
|
||||||
* so we should catch any typos instead of silently adding a custom
|
* so we should catch any typos instead of silently adding a custom
|
||||||
|
@ -298,6 +298,7 @@ cogl_color_get_alpha_float
|
|||||||
<FILE>cogl-vertex-buffer</FILE>
|
<FILE>cogl-vertex-buffer</FILE>
|
||||||
<TITLE>Vertex Buffers</TITLE>
|
<TITLE>Vertex Buffers</TITLE>
|
||||||
cogl_vertex_buffer_new
|
cogl_vertex_buffer_new
|
||||||
|
cogl_vertex_buffer_get_n_vertices
|
||||||
cogl_vertex_buffer_ref
|
cogl_vertex_buffer_ref
|
||||||
cogl_vertex_buffer_unref
|
cogl_vertex_buffer_unref
|
||||||
cogl_vertex_buffer_add
|
cogl_vertex_buffer_add
|
||||||
|
Loading…
Reference in New Issue
Block a user