1 files changed, 54 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/BufferImpl.h b/gfx/angle/src/libANGLE/renderer/BufferImpl.h
new file mode 100755
index 000000000..10d371541
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/BufferImpl.h
@@ -0,0 +1,54 @@
+//
+// 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.
+//
+
+// BufferImpl.h: Defines the abstract rx::BufferImpl class.
+
+#ifndef LIBANGLE_RENDERER_BUFFERIMPL_H_
+#define LIBANGLE_RENDERER_BUFFERIMPL_H_
+
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+#include "libANGLE/Error.h"
+
+#include <stdint.h>
+
+namespace gl
+{
+class BufferState;
+}
+
+namespace rx
+{
+
+class BufferImpl : angle::NonCopyable
+{
+  public:
+    BufferImpl(const gl::BufferState &state) : mState(state) {}
+    virtual ~BufferImpl() { }
+
+    virtual gl::Error setData(GLenum target, const void *data, size_t size, GLenum usage)     = 0;
+    virtual gl::Error setSubData(GLenum target, const void *data, size_t size, size_t offset) = 0;
+    virtual gl::Error copySubData(BufferImpl *source,
+                                  GLintptr sourceOffset,
+                                  GLintptr destOffset,
+                                  GLsizeiptr size) = 0;
+    virtual gl::Error map(GLenum access, GLvoid **mapPtr) = 0;
+    virtual gl::Error mapRange(size_t offset, size_t length, GLbitfield access, GLvoid **mapPtr) = 0;
+    virtual gl::Error unmap(GLboolean *result) = 0;
+
+    virtual gl::Error getIndexRange(GLenum type,
+                                    size_t offset,
+                                    size_t count,
+                                    bool primitiveRestartEnabled,
+                                    gl::IndexRange *outRange) = 0;
+
+  protected:
+    const gl::BufferState &mState;
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_BUFFERIMPL_H_