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pipeline: Assume blend enabled when there are snippets

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Whenever snippets are enabled we can't determine whether the final
color will be fully opaque so we just have to assume blending should
be enabled.

Reviewed-by: Robert Bragg <robert@linux.intel.com>
This commit is contained in:
Neil Roberts
2011-11-25 17:59:52 +00:00
committed by Robert Bragg
parent df0f9a862f
commit 5be5a03343
4 changed files with 43 additions and 5 deletions
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12
cogl/cogl-pipeline.c
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@ -761,6 +761,18 @@ _cogl_pipeline_needs_blending_enabled (CoglPipeline *pipeline,
return TRUE;
}
if (changes & COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS)
{
if (!_cogl_pipeline_has_non_layer_fragment_snippets (pipeline))
return TRUE;
}
if (changes & COGL_PIPELINE_STATE_VERTEX_SNIPPETS)
{
if (!_cogl_pipeline_has_non_layer_vertex_snippets (pipeline))
return TRUE;
}
/* XXX: we should only need to look at these if lighting is enabled
*/
if (changes & COGL_PIPELINE_STATE_LIGHTING)