/* * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) * Copyright (C) 2014 Igalia S.L. * * 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 BitmapTexturePool_h #define BitmapTexturePool_h #include "BitmapTexture.h" #include "Timer.h" #include <wtf/CurrentTime.h> #if USE(TEXTURE_MAPPER_GL) #include "GraphicsContext3D.h" #endif namespace WebCore { class GraphicsContext3D; class IntSize; class BitmapTexturePool { WTF_MAKE_NONCOPYABLE(BitmapTexturePool); WTF_MAKE_FAST_ALLOCATED; public: #if USE(TEXTURE_MAPPER_GL) explicit BitmapTexturePool(RefPtr<GraphicsContext3D>&&); #endif RefPtr<BitmapTexture> acquireTexture(const IntSize&, const BitmapTexture::Flags); private: struct Entry { explicit Entry(RefPtr<BitmapTexture>&& texture) : m_texture(WTFMove(texture)) { } void markIsInUse() { m_lastUsedTime = monotonicallyIncreasingTime(); } RefPtr<BitmapTexture> m_texture; double m_lastUsedTime; }; void scheduleReleaseUnusedTextures(); void releaseUnusedTexturesTimerFired(); RefPtr<BitmapTexture> createTexture(const BitmapTexture::Flags); #if USE(TEXTURE_MAPPER_GL) RefPtr<GraphicsContext3D> m_context3D; #endif Vector<Entry> m_textures; Vector<Entry> m_attachmentTextures; Timer m_releaseUnusedTexturesTimer; }; } // namespace WebCore #endif // BitmapTexturePool_h