switch to use mat4

Change-Id: I8283a989cfd2b74d53958150bc90298bc083fee7
diff --git a/services/surfaceflinger/RenderEngine/GLES11RenderEngine.cpp b/services/surfaceflinger/RenderEngine/GLES11RenderEngine.cpp
index 06125b0..baa57e6 100644
--- a/services/surfaceflinger/RenderEngine/GLES11RenderEngine.cpp
+++ b/services/surfaceflinger/RenderEngine/GLES11RenderEngine.cpp
@@ -160,7 +160,7 @@
     glTexParameterx(target, GL_TEXTURE_MAG_FILTER, filter);
     glTexParameterx(target, GL_TEXTURE_MIN_FILTER, filter);
     glMatrixMode(GL_TEXTURE);
-    glLoadMatrixf(texture.getMatrix());
+    glLoadMatrixf(texture.getMatrix().asArray());
     glMatrixMode(GL_MODELVIEW);
     glDisable(GL_TEXTURE_2D);
     glEnable(GL_TEXTURE_EXTERNAL_OES);