1 files changed, 44 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/SamplerImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/SamplerImpl.h
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index 0000000000..2d0af8b0cc
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+++ b/gfx/angle/checkout/src/libANGLE/renderer/SamplerImpl.h
@@ -0,0 +1,44 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SamplerImpl.h: Defines the abstract rx::SamplerImpl class.
+
+#ifndef LIBANGLE_RENDERER_SAMPLERIMPL_H_
+#define LIBANGLE_RENDERER_SAMPLERIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Sampler.h"
+
+namespace gl
+{
+class Context;
+class SamplerState;
+}  // namespace gl
+
+namespace rx
+{
+
+class SamplerImpl : angle::NonCopyable
+{
+  public:
+    SamplerImpl(const gl::SamplerState &state) : mState(state) {}
+    virtual ~SamplerImpl() {}
+
+    virtual void onDestroy(const gl::Context *context)
+    {
+        // Default implementation: no-op.
+    }
+    virtual angle::Result syncState(const gl::Context *context, const bool dirty) = 0;
+
+    angle::Result onLabelUpdate(const gl::Context *context) { return angle::Result::Continue; }
+
+  protected:
+    const gl::SamplerState &mState;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SAMPLERIMPL_H_