From a2fe7affd3d077ac163da90996cb2e5e0ca3b8d1 Mon Sep 17 00:00:00 2001
From: Chris Craik <ccraik@google.com>
Date: Tue, 28 Jan 2014 17:25:06 -0800
Subject: Add initial hidden outline APIs

Background drawable outline usage and drawable outline calculation
still to come.

Change-Id: I8c7539f1638f86e1f8eb11f4fe49f705f61d58ba
---
 libs/hwui/OpenGLRenderer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libs/hwui/OpenGLRenderer.cpp')

diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index 7a1194870d57..b71082572ce2 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -3199,6 +3199,11 @@ status_t OpenGLRenderer::drawShadow(const mat4& casterTransform, float casterAlp
     PathTessellator::approximatePathOutlineVertices(*casterOutline,
             casterRefinementThresholdSquared, casterVertices2d);
 
+    if (casterVertices2d.size() == 0) {
+        // empty caster polygon computed from path
+        return DrawGlInfo::kStatusDone;
+    }
+
     // map 2d caster poly into 3d
     const int casterVertexCount = casterVertices2d.size();
     Vector3 casterPolygon[casterVertexCount];
-- 
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