Make instantiate return a Boolean

From an off-line conversation:
The longer term idea will be to create a helper class isolates the
ability to instantiate proxies until flush time. The peek* methods
could then be moved to GrSurfaceProxy.

Change-Id: I8e8c02c098475b77d515791c0d6b81f7e4a327dd
Reviewed-on: https://skia-review.googlesource.com/18076
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/gpu/GrSurfaceProxyPriv.h b/src/gpu/GrSurfaceProxyPriv.h
index ea4d9b63a3..b10cb345f7 100644
--- a/src/gpu/GrSurfaceProxyPriv.h
+++ b/src/gpu/GrSurfaceProxyPriv.h
@@ -15,13 +15,21 @@
     data members or virtual methods. */
 class GrSurfaceProxyPriv {
 public:
+    // This should only be called after a successful call to instantiate
+    GrSurface* peekSurface() const {
+        SkASSERT(fProxy->fTarget);
+        return fProxy->fTarget;
+    }
+
     // If the proxy is already instantiated, return its backing GrTexture; if not,
     // return null
     GrTexture* peekTexture() const {
         return fProxy->fTarget ? fProxy->fTarget->asTexture() : nullptr;
     }
 
+    // This should only be called after a successful call to instantiate
     GrRenderTarget* peekRenderTarget() const {
+        SkASSERT(fProxy->fTarget && fProxy->fTarget->asRenderTarget());
         return fProxy->fTarget ? fProxy->fTarget->asRenderTarget() : nullptr;
     }