1 files changed, 58 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.h b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.h
new file mode 100644
index 0000000000..53c736cf7a
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/IndexBuffer11.h
@@ -0,0 +1,58 @@
+//
+// Copyright 2012 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.
+//
+
+// IndexBuffer11.h: Defines the D3D11 IndexBuffer implementation.
+
+#ifndef LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_
+#define LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_
+
+#include "libANGLE/renderer/d3d/IndexBuffer.h"
+#include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
+
+namespace rx
+{
+class Renderer11;
+
+class IndexBuffer11 : public IndexBuffer
+{
+  public:
+    explicit IndexBuffer11(Renderer11 *const renderer);
+    ~IndexBuffer11() override;
+
+    angle::Result initialize(const gl::Context *context,
+                             unsigned int bufferSize,
+                             gl::DrawElementsType indexType,
+                             bool dynamic) override;
+
+    angle::Result mapBuffer(const gl::Context *context,
+                            unsigned int offset,
+                            unsigned int size,
+                            void **outMappedMemory) override;
+    angle::Result unmapBuffer(const gl::Context *context) override;
+
+    gl::DrawElementsType getIndexType() const override;
+    unsigned int getBufferSize() const override;
+    angle::Result setSize(const gl::Context *context,
+                          unsigned int bufferSize,
+                          gl::DrawElementsType indexType) override;
+
+    angle::Result discard(const gl::Context *context) override;
+
+    DXGI_FORMAT getIndexFormat() const;
+    const d3d11::Buffer &getBuffer() const;
+
+  private:
+    Renderer11 *const mRenderer;
+
+    d3d11::Buffer mBuffer;
+    unsigned int mBufferSize;
+    gl::DrawElementsType mIndexType;
+    bool mDynamicUsage;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_D3D_D3D11_INDEXBUFFER11_H_