Make the orientation of a texture accessible from and known by GrSurface.

R=robertphillips@google.com
Review URL: https://codereview.appspot.com/6801044

git-svn-id: http://skia.googlecode.com/svn/branches/gpu_dev@6148 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLRenderTarget.cpp b/src/gpu/gl/GrGLRenderTarget.cpp
index 3e72757..9bbc842 100644
--- a/src/gpu/gl/GrGLRenderTarget.cpp
+++ b/src/gpu/gl/GrGLRenderTarget.cpp
@@ -49,7 +49,9 @@
                 texture,
                 MakeDesc(kNone_GrTextureFlags,
                          viewport.fWidth, viewport.fHeight,
-                         desc.fConfig, desc.fSampleCnt)) {
+                         desc.fConfig, desc.fSampleCnt),
+                texture->origin()) {
+    GrAssert(kBottomLeft_Origin == texture->origin());
     GrAssert(NULL != texID);
     GrAssert(NULL != texture);
     // FBO 0 can't also be a texture, right?
@@ -70,7 +72,8 @@
                 NULL,
                 MakeDesc(kNone_GrTextureFlags,
                          viewport.fWidth, viewport.fHeight,
-                         desc.fConfig, desc.fSampleCnt)) {
+                         desc.fConfig, desc.fSampleCnt),
+                kBottomLeft_Origin) {
     this->init(desc, viewport, NULL);
 }