/* * Copyright (C) 2011, Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef TrackingTextureAllocator_h #define TrackingTextureAllocator_h #include "GraphicsContext3D.h" #include "TextureManager.h" #include <wtf/PassRefPtr.h> namespace WebCore { class TrackingTextureAllocator : public TextureAllocator { WTF_MAKE_NONCOPYABLE(TrackingTextureAllocator); public: static PassOwnPtr<TrackingTextureAllocator> create(PassRefPtr<GraphicsContext3D> context) { return adoptPtr(new TrackingTextureAllocator(context)); } virtual ~TrackingTextureAllocator(); virtual unsigned createTexture(const IntSize&, GC3Denum format); virtual void deleteTexture(unsigned texture, const IntSize&, GC3Denum format); size_t currentMemoryUseBytes() const { return m_currentMemoryUseBytes; } enum TextureUsageHint { Any, FramebufferAttachment }; void setTextureUsageHint(TextureUsageHint hint) { m_textureUsageHint = hint; } void setUseTextureStorageExt(bool useStorageExt) { m_useTextureStorageExt = useStorageExt; } protected: explicit TrackingTextureAllocator(PassRefPtr<GraphicsContext3D>); RefPtr<GraphicsContext3D> m_context; size_t m_currentMemoryUseBytes; TextureUsageHint m_textureUsageHint; bool m_useTextureStorageExt; }; } #endif