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offscreen-effect: Rename create_target to create_buffer

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*** This is an API change ***

The create_target() virtual function should return a CoglHandle to a
texture; clutter_offscreen_effect_get_target(), instead, returns a
CoglMaterial to be painted in the implementation of the paint_target()
virtual function.

Instead of equating textures with materials, and confusing the user of
the API, we should mark the difference more prominently.

First of all, we should return a CoglMaterial* (now that we have that
as a public type) in get_target(); having handles all over the place
does not make it easier to distinguish the semantics of the virtual
functions.

Then we should rename create_target() to create_texture(), to make it
clear that what should be returned is a texture that is used as the
backing for the offscreen framebuffer.
This commit is contained in:
Emmanuele Bassi
2010-09-01 17:56:15 +01:00
parent 6c40b10083
commit 12a5bf2e06
3 changed files with 32 additions and 29 deletions
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doc/reference/clutter/clutter-sections.txt
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@ -2388,7 +2388,7 @@ clutter_effect_get_type
ClutterOffscreenEffect
ClutterOffscreenEffectClass
clutter_offscreen_effect_get_target
clutter_offscreen_effect_create_target
clutter_offscreen_effect_create_texture
clutter_offscreen_effect_paint_target
<SUBSECTION Standard>
CLUTTER_TYPE_OFFSCREEN_EFFECT