Add InternalSurfaceFlag so we know if RenderTargetProxys and RenderTargets use GL FBO 0.

Bug: skia:7748
Change-Id: I2fda3cde12ccdef19fe06ff287a8024b58d28ef0
Reviewed-on: https://skia-review.googlesource.com/124048
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/gpu/GrRenderTargetProxyPriv.h b/src/gpu/GrRenderTargetProxyPriv.h
new file mode 100644
index 0000000000..7c80099743
--- /dev/null
+++ b/src/gpu/GrRenderTargetProxyPriv.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrRenderTargetProxyPriv_DEFINED
+#define GrRenderTargetProxyPriv_DEFINED
+
+#include "GrRenderTargetProxy.h"
+
+/**
+ * This class hides the more specialized capabilities of GrRenderTargetProxy.
+ */
+class GrRenderTargetProxyPriv {
+public:
+    void setGLRTFBOIDIs0() {
+        fRenderTargetProxy->setGLRTFBOIDIs0();
+    }
+
+    bool glRTFBOIDIs0() const {
+        return fRenderTargetProxy->glRTFBOIDIs0();
+    }
+
+private:
+    explicit GrRenderTargetProxyPriv(GrRenderTargetProxy* renderTargetProxy)
+            : fRenderTargetProxy(renderTargetProxy) {}
+    GrRenderTargetProxyPriv(const GrRenderTargetProxyPriv&) {} // unimpl
+    GrRenderTargetProxyPriv& operator=(const GrRenderTargetProxyPriv&); // unimpl
+
+    // No taking addresses of this type.
+    const GrRenderTargetProxyPriv* operator&() const;
+    GrRenderTargetProxyPriv* operator&();
+
+    GrRenderTargetProxy* fRenderTargetProxy;
+
+    friend class GrRenderTargetProxy;  // to construct/copy this type.
+};
+
+inline GrRenderTargetProxyPriv GrRenderTargetProxy::rtPriv() {
+    return GrRenderTargetProxyPriv(this);
+}
+
+inline const GrRenderTargetProxyPriv GrRenderTargetProxy::rtPriv() const {
+    return GrRenderTargetProxyPriv(const_cast<GrRenderTargetProxy*>(this));
+}
+
+#endif
+