Add flag for window rectangles to GrRenderTarget

src/gpu/GrRenderTargetProxy.cpp

Index: src/gpu/GrRenderTargetProxy.cpp
diff --git a/src/gpu/GrRenderTargetProxy.cpp b/src/gpu/GrRenderTargetProxy.cpp
index 6c422c09cdec5b78dc362e32865fc6ddd8c07025..fb9c34660dc4f7c9a3ac8b5c92cdb5641158b510 100644
--- a/src/gpu/GrRenderTargetProxy.cpp
+++ b/src/gpu/GrRenderTargetProxy.cpp
@@ -7,14 +7,29 @@
 
 #include "GrRenderTargetProxy.h"
 
+#include "GrCaps.h"
 #include "GrDrawTarget.h"
 #include "GrGpuResourcePriv.h"
-#include "GrRenderTargetPriv.h"
 
-GrRenderTargetProxy::GrRenderTargetProxy(sk_sp<GrRenderTarget> rt)
+// Deferred version
+// TODO: we can probably munge the 'desc' in both the wrapped and deferred
+// cases to make the sampleConfig/numSamples stuff more rational.
+GrRenderTargetProxy::GrRenderTargetProxy(const GrCaps& caps, const GrSurfaceDesc& desc,
+                                         SkBackingFit fit, SkBudgeted budgeted)
+    : INHERITED(desc, fit, budgeted)
+    , fTarget(nullptr)
+    , fFlags(GrRenderTargetPriv::Flags::kOffscreen)
+    , fLastDrawTarget(nullptr) {
+    if (fDesc.fSampleCnt > 0 && caps.usesMixedSamples()) {
+        fFlags |= GrRenderTargetPriv::Flags::kMixedSampled;
+    }
+}
+
+// Wrapped version
+GrRenderTargetProxy::GrRenderTargetProxy(const GrCaps& caps, sk_sp<GrRenderTarget> rt)
     : INHERITED(rt->desc(), SkBackingFit::kExact, rt->resourcePriv().isBudgeted())
     , fTarget(std::move(rt))
-    , fSampleConfig(fTarget->renderTargetPriv().sampleConfig())
+    , fFlags(fTarget->renderTargetPriv().flags())
     , fLastDrawTarget(nullptr) {
 }
 
@@ -47,7 +62,7 @@ GrRenderTarget* GrRenderTargetProxy::instantiate(GrTextureProvider* texProvider)
     fTarget = sk_ref_sp(tex->asRenderTarget());
 
     // Check that our a priori computation matched the ultimate reality
-    SkASSERT(fSampleConfig == fTarget->renderTargetPriv().sampleConfig());
+    SkASSERT(fFlags == fTarget->renderTargetPriv().flags());
 
     return fTarget.get();
 }
@@ -71,7 +86,7 @@ sk_sp<GrRenderTargetProxy> GrRenderTargetProxy::Make(const GrCaps& caps,
     return sk_sp<GrRenderTargetProxy>(new GrRenderTargetProxy(caps, desc, fit, budgeted));
 }
 
-sk_sp<GrRenderTargetProxy> GrRenderTargetProxy::Make(sk_sp<GrRenderTarget> rt) {
-    return sk_sp<GrRenderTargetProxy>(new GrRenderTargetProxy(rt));
+sk_sp<GrRenderTargetProxy> GrRenderTargetProxy::Make(const GrCaps& caps, sk_sp<GrRenderTarget> rt) {
+    return sk_sp<GrRenderTargetProxy>(new GrRenderTargetProxy(caps, rt));
 }