/* * Copyright (C) 2016 Apple 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. */ #include "config.h" #include "TextureCacheCV.h" #include "GraphicsContext3D.h" #include "CoreVideoSoftLink.h" namespace WebCore { std::unique_ptr<TextureCacheCV> TextureCacheCV::create(GraphicsContext3D& context) { TextureCacheType cache = nullptr; #if PLATFORM(IOS) CVReturn error = CVOpenGLESTextureCacheCreate(kCFAllocatorDefault, nullptr, context.platformGraphicsContext3D(), nullptr, &cache); #else CVReturn error = CVOpenGLTextureCacheCreate(kCFAllocatorDefault, nullptr, context.platformGraphicsContext3D(), CGLGetPixelFormat(context.platformGraphicsContext3D()), nullptr, &cache); #endif if (error != kCVReturnSuccess) return nullptr; RetainPtr<TextureCacheType> strongCache = adoptCF(cache); return std::make_unique<TextureCacheCV>(context, WTFMove(strongCache)); } TextureCacheCV::TextureCacheCV(GraphicsContext3D& context, RetainPtr<TextureCacheType>&& cache) : m_context(context) , m_cache(cache) , m_weakPtrFactory(this) { } RetainPtr<TextureCacheCV::TextureType> TextureCacheCV::textureFromImage(CVImageBufferRef image, GC3Denum outputTarget, GC3Dint level, GC3Denum internalFormat, GC3Denum format, GC3Denum type) { TextureType bareVideoTexture = nullptr; #if PLATFORM(IOS) size_t width = CVPixelBufferGetWidth(image); size_t height = CVPixelBufferGetHeight(image); if (kCVReturnSuccess != CVOpenGLESTextureCacheCreateTextureFromImage(kCFAllocatorDefault, m_cache.get(), image, nullptr, outputTarget, internalFormat, width, height, format, type, level, &bareVideoTexture)) return nullptr; #else UNUSED_PARAM(outputTarget); UNUSED_PARAM(level); UNUSED_PARAM(internalFormat); UNUSED_PARAM(format); UNUSED_PARAM(type); if (kCVReturnSuccess != CVOpenGLTextureCacheCreateTextureFromImage(kCFAllocatorDefault, m_cache.get(), image, nullptr, &bareVideoTexture)) return nullptr; #endif RetainPtr<TextureType> videoTexture = adoptCF(bareVideoTexture); auto weakThis = m_weakPtrFactory.createWeakPtr(); dispatch_async(dispatch_get_main_queue(), [weakThis] { if (auto cache = weakThis->m_cache.get()) #if PLATFORM(IOS) CVOpenGLESTextureCacheFlush(cache, 0); #else CVOpenGLTextureCacheFlush(cache, 0); #endif }); return videoTexture; } }