Add Map-related stubs to BufferStorage.

src/libGLESv2/renderer/BufferStorage.h

@@ -30,6 +30,10 @@ class BufferStorage
     virtual bool supportsDirectBinding() const = 0;
     unsigned int getSerial() const;
 
+    virtual bool isMapped() const = 0;
+    virtual void *map(GLbitfield access) = 0;
+    virtual void unmap() = 0;
+
   protected:
     void updateSerial();
 

src/libGLESv2/renderer/d3d11/BufferStorage11.cpp

@@ -248,6 +248,24 @@ DirectBufferStorage11 *BufferStorage11::getLatestStorage() const
     return latestStorage;
 }
 
+// TODO: map implementation in D3D11
+bool BufferStorage11::isMapped() const
+{
+    UNIMPLEMENTED();
+    return false;
+}
+
+void *BufferStorage11::map(GLbitfield access)
+{
+    UNIMPLEMENTED();
+    return NULL;
+}
+
+void BufferStorage11::unmap()
+{
+    UNIMPLEMENTED();
+}
+
 DirectBufferStorage11::DirectBufferStorage11(Renderer11 *renderer, BufferUsage usage)
     : mRenderer(renderer),
       mUsage(usage),

src/libGLESv2/renderer/d3d11/BufferStorage11.h

@@ -47,6 +47,10 @@ class BufferStorage11 : public BufferStorage
     ID3D11Buffer *getBuffer(BufferUsage usage);
     ID3D11ShaderResourceView *getSRV(DXGI_FORMAT srvFormat);
 
+    virtual bool isMapped() const;
+    virtual void *map(GLbitfield access);
+    virtual void unmap();
+
   private:
     Renderer11 *mRenderer;
 

src/libGLESv2/renderer/d3d9/BufferStorage9.cpp

@@ -88,4 +88,22 @@ bool BufferStorage9::supportsDirectBinding() const
     return false;
 }
 
+// We do not suppot buffer mapping facility in D3D9
+bool BufferStorage9::isMapped() const
+{
+    UNREACHABLE();
+    return false;
+}
+
+void *BufferStorage9::map(GLbitfield access)
+{
+    UNREACHABLE();
+    return NULL;
+}
+
+void BufferStorage9::unmap()
+{
+    UNREACHABLE();
+}
+
 }

src/libGLESv2/renderer/d3d9/BufferStorage9.h

@@ -30,6 +30,10 @@ class BufferStorage9 : public BufferStorage
     virtual unsigned int getSize() const;
     virtual bool supportsDirectBinding() const;
 
+    virtual bool isMapped() const;
+    virtual void *map(GLbitfield access);
+    virtual void unmap();
+
   private:
     DISALLOW_COPY_AND_ASSIGN(BufferStorage9);