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cogl: Adds {push,pop,get}_source functions

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This exposes the idea of a stack of source materials instead of just
having a single current material. This allows the writing of orthogonal
code that can change the current source material and restore it to its
previous state. It also allows the implementation of new composite
primitives that may want to validate the current source material and
possibly make override changes in a derived material.
This commit is contained in:
Robert Bragg
2010-10-25 13:25:21 +01:00
parent 4ccd915064
commit 1b9a247174
11 changed files with 254 additions and 123 deletions
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3
doc/reference/cogl/cogl-sections.txt
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@ -61,6 +61,9 @@ cogl_set_source_color
cogl_set_source_color4ub
cogl_set_source_color4f
cogl_set_source_texture
cogl_get_source
cogl_push_source
cogl_pop_source
<SUBSECTION>
CoglReadPixelsFlags