1 files changed, 68 insertions, 0 deletions
diff --git a/src/libGLESv2/Buffer.h b/src/libGLESv2/Buffer.h
new file mode 100644
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+++ b/src/libGLESv2/Buffer.h
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+//
+// Copyright (c) 2002-2013 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.
+//
+
+// Buffer.h: Defines the gl::Buffer class, representing storage of vertex and/or
+// index data. Implements GL buffer objects and related functionality.
+// [OpenGL ES 2.0.24] section 2.9 page 21.
+
+#ifndef LIBGLESV2_BUFFER_H_
+#define LIBGLESV2_BUFFER_H_
+
+#include "common/angleutils.h"
+#include "common/RefCountObject.h"
+#include "libGLESv2/renderer/IndexRangeCache.h"
+
+namespace rx
+{
+class Renderer;
+class BufferStorage;
+class StaticIndexBufferInterface;
+class StaticVertexBufferInterface;
+};
+
+namespace gl
+{
+
+class Buffer : public RefCountObject
+{
+  public:
+    Buffer(rx::Renderer *renderer, GLuint id);
+
+    virtual ~Buffer();
+
+    void bufferData(const void *data, GLsizeiptr size, GLenum usage);
+    void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
+
+    GLenum usage() const;
+
+    rx::BufferStorage *getStorage() const;
+    unsigned int size();
+
+    rx::StaticVertexBufferInterface *getStaticVertexBuffer();
+    rx::StaticIndexBufferInterface *getStaticIndexBuffer();
+    void invalidateStaticData();
+    void promoteStaticUsage(int dataSize);
+
+    rx::IndexRangeCache *getIndexRangeCache();
+
+  private:
+    DISALLOW_COPY_AND_ASSIGN(Buffer);
+
+    rx::Renderer *mRenderer;
+    GLenum mUsage;
+
+    rx::BufferStorage *mBufferStorage;
+
+    rx::IndexRangeCache mIndexRangeCache;
+
+    rx::StaticVertexBufferInterface *mStaticVertexBuffer;
+    rx::StaticIndexBufferInterface *mStaticIndexBuffer;
+    unsigned int mUnmodifiedDataUse;
+};
+
+}
+
+#endif   // LIBGLESV2_BUFFER_H_