/* * Copyright (C) 2010, 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 ManagedTexture_h #define ManagedTexture_h #include "IntSize.h" #include "TextureManager.h" #include <wtf/FastAllocBase.h> #include <wtf/Noncopyable.h> #include <wtf/PassOwnPtr.h> #include <wtf/RefPtr.h> namespace WebCore { class GraphicsContext3D; class ManagedTexture { WTF_MAKE_NONCOPYABLE(ManagedTexture); public: static PassOwnPtr<ManagedTexture> create(TextureManager* manager) { return adoptPtr(new ManagedTexture(manager)); } ~ManagedTexture(); void setTextureManager(TextureManager*); void clearManager() { m_textureManager = 0; } bool isValid(const IntSize&, unsigned format); bool reserve(const IntSize&, unsigned format); void unreserve(); bool isReserved() { return m_textureManager && m_textureManager->isProtected(m_token); } void allocate(TextureAllocator*); void bindTexture(GraphicsContext3D*, TextureAllocator*); void framebufferTexture2D(GraphicsContext3D*, TextureAllocator*); IntSize size() const { return m_size; } unsigned format() const { return m_format; } unsigned textureId() const { return m_textureId; } // Steal token and textureId by instantiates a new texture using existing // member variables. PassOwnPtr<ManagedTexture> steal(); private: explicit ManagedTexture(TextureManager*); ManagedTexture(TextureManager*, TextureToken, IntSize, unsigned format, unsigned textureId); void clear(); TextureManager* m_textureManager; TextureToken m_token; IntSize m_size; unsigned m_format; unsigned m_textureId; }; } #endif // ManagedTexture_h