From 99bcdc52dcb365ed7d8cfa13540fb33fbcbbac9d Mon Sep 17 00:00:00 2001
From: Romain Guy <romainguy@google.com>
Date: Wed, 13 Oct 2010 15:17:00 -0700
Subject: [PATCH] Return identity matrix when rendering in an FBO.

Change-Id: I57438e745b30c8cfe16c269f3cafcd719049d705
---
 libs/hwui/OpenGLRenderer.cpp | 5 ++++-
 libs/hwui/OpenGLRenderer.h   | 3 +++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index 92875b18c22e1..d81760d96c83c 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -585,7 +585,10 @@ void OpenGLRenderer::setMatrix(SkMatrix* matrix) {
 }
 
 const float* OpenGLRenderer::getMatrix() const {
-    return &mSnapshot->transform->data[0];
+    if (mSnapshot->fbo != 0) {
+        return &mSnapshot->transform->data[0];
+    }
+    return &mIdentity.data[0];
 }
 
 void OpenGLRenderer::getMatrix(SkMatrix* matrix) {
diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h
index f8828e2cbd7fb..423614bb3e3c1 100644
--- a/libs/hwui/OpenGLRenderer.h
+++ b/libs/hwui/OpenGLRenderer.h
@@ -432,6 +432,9 @@ private:
     // Misc
     GLint mMaxTextureSize;
 
+    // Indentity matrix
+    const mat4 mIdentity;
+
     friend class DisplayListRenderer;
 
 }; // class OpenGLRenderer