1 files changed, 67 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/gpu/gl/GrGLBuffer.h b/gfx/skia/skia/src/gpu/gl/GrGLBuffer.h
new file mode 100644
index 000000000..6a90d0334
--- /dev/null
+++ b/gfx/skia/skia/src/gpu/gl/GrGLBuffer.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrGLBuffer_DEFINED
+#define GrGLBuffer_DEFINED
+
+#include "GrBuffer.h"
+#include "gl/GrGLTypes.h"
+
+class GrGLGpu;
+class GrGLCaps;
+
+class GrGLBuffer : public GrBuffer {
+public:
+    static GrGLBuffer* Create(GrGLGpu*, size_t size, GrBufferType intendedType, GrAccessPattern,
+                              const void* data = nullptr);
+
+    ~GrGLBuffer() {
+        // either release or abandon should have been called by the owner of this object.
+        SkASSERT(0 == fBufferID);
+    }
+
+    GrGLuint bufferID() const { return fBufferID; }
+
+    /**
+     * Returns the actual size of the underlying GL buffer object. In certain cases we may make this
+     * smaller than the size reported by GrBuffer.
+     */
+    size_t glSizeInBytes() const { return fGLSizeInBytes; }
+
+    void setHasAttachedToTexture() { fHasAttachedToTexture = true; }
+    bool hasAttachedToTexture() const { return fHasAttachedToTexture; }
+
+protected:
+    GrGLBuffer(GrGLGpu*, size_t size, GrBufferType intendedType, GrAccessPattern, const void* data);
+
+    void onAbandon() override;
+    void onRelease() override;
+    void setMemoryBacking(SkTraceMemoryDump* traceMemoryDump,
+                          const SkString& dumpName) const override;
+
+private:
+    GrGLGpu* glGpu() const;
+    const GrGLCaps& glCaps() const;
+
+    void onMap() override;
+    void onUnmap() override;
+    bool onUpdateData(const void* src, size_t srcSizeInBytes) override;
+
+#ifdef SK_DEBUG
+    void validate() const;
+#endif
+
+    GrBufferType   fIntendedType;
+    GrGLuint       fBufferID;
+    GrGLenum       fUsage;
+    size_t         fGLSizeInBytes;
+    bool           fHasAttachedToTexture;
+
+    typedef GrBuffer INHERITED;
+};
+
+#endif