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compositor/background: Avoid uninitialized variable warning
'code' may be used uninitialized in this function, so make sure to return early in this case.
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7f6a77232f
commit
1dbefc4e36
@ -544,13 +544,8 @@ add_texture_lookup_shader (MetaBackground *self)
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{
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MetaBackgroundPrivate *priv = self->priv;
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CoglSnippet *snippet;
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const char *code;
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const char *code = NULL;
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ensure_pipeline (self);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
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TEXTURE_LOOKUP_SHADER_DECLARATIONS,
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NULL);
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if ((priv->effects & META_BACKGROUND_EFFECTS_BLUR) &&
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(priv->effects & META_BACKGROUND_EFFECTS_DESATURATE))
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code = BLUR_CODE "\n" DESATURATE_CODE;
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@ -558,7 +553,14 @@ add_texture_lookup_shader (MetaBackground *self)
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code = BLUR_CODE;
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else if (priv->effects & META_BACKGROUND_EFFECTS_DESATURATE)
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code = DESATURATE_CODE;
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else
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return;
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ensure_pipeline (self);
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snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
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TEXTURE_LOOKUP_SHADER_DECLARATIONS,
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NULL);
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cogl_snippet_set_replace (snippet, code);
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cogl_pipeline_add_layer_snippet (priv->pipeline, 0, snippet);
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cogl_object_unref (snippet);
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