Add GrResourceAllocator class + unit test

Change-Id: I2700e8cb4213479b680519ba67f078cc3fb71376
Reviewed-on: https://skia-review.googlesource.com/23661
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

3 files changed, 13 insertions, 1 deletions

diff --git a/include/private/GrRenderTargetProxy.h b/include/private/GrRenderTargetProxy.h
index d7c4e06b80..61c3ecb8d7 100644
--- a/include/private/GrRenderTargetProxy.h
+++ b/include/private/GrRenderTargetProxy.h
@@ -23,7 +23,7 @@ public:
     const GrRenderTargetProxy* asRenderTargetProxy() const override { return this; }
 
     // Actually instantiate the backing rendertarget, if necessary.
-    bool instantiate(GrResourceProvider* resourceProvider) override;
+    bool instantiate(GrResourceProvider*) override;
 
     GrFSAAType fsaaType() const {
         if (!fSampleCnt) {
@@ -68,6 +68,8 @@ protected:
     // Wrapped version
     GrRenderTargetProxy(sk_sp<GrSurface>);
 
+    sk_sp<GrSurface> createSurface(GrResourceProvider*) const override;
+
 private:
     size_t onUninstantiatedGpuMemorySize() const override;
 
diff --git a/include/private/GrSurfaceProxy.h b/include/private/GrSurfaceProxy.h
index 7aa944793a..f899f75abf 100644
--- a/include/private/GrSurfaceProxy.h
+++ b/include/private/GrSurfaceProxy.h
@@ -329,6 +329,7 @@ public:
 
     bool isWrapped_ForTesting() const;
 
+    SkDEBUGCODE(bool isInstantiated() const { return SkToBool(fTarget); })
     SkDEBUGCODE(void validate(GrContext*) const;)
 
     // Provides access to functions that aren't part of the public API.
@@ -367,6 +368,13 @@ protected:
         return this->internalHasPendingWrite();
     }
 
+    virtual sk_sp<GrSurface> createSurface(GrResourceProvider*) const = 0;
+    void assign(sk_sp<GrSurface> surface);
+
+    sk_sp<GrSurface> createSurfaceImpl(GrResourceProvider*, int sampleCnt,
+                                       GrSurfaceFlags flags, bool isMipMapped,
+                                       SkDestinationSurfaceColorMode mipColorMode) const;
+
     bool instantiateImpl(GrResourceProvider* resourceProvider, int sampleCnt,
                          GrSurfaceFlags flags, bool isMipMapped,
                          SkDestinationSurfaceColorMode mipColorMode);
diff --git a/include/private/GrTextureProxy.h b/include/private/GrTextureProxy.h
index 2736e61c12..60be19ecef 100644
--- a/include/private/GrTextureProxy.h
+++ b/include/private/GrTextureProxy.h
@@ -49,6 +49,8 @@ protected:
 
     SkDestinationSurfaceColorMode mipColorMode() const { return fMipColorMode;  }
 
+    sk_sp<GrSurface> createSurface(GrResourceProvider*) const override;
+
 private:
     bool fIsMipMapped;
     SkDestinationSurfaceColorMode fMipColorMode;