| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(WEBGL) && ENABLE(VIDEO) && USE(AVFOUNDATION) |
| |
| #include "GraphicsContextGLCV.h" |
| |
| #include <memory> |
| #include <wtf/UnsafePointer.h> |
| |
| namespace WebCore { |
| class GraphicsContextGLOpenGL; |
| |
| // GraphicsContextGLCV implementation for ANGLE flavour of GraphicsContextGLOpenGL. |
| // This class is part of the internal implementation of GraphicsContextGLOpenGL for ANGLE Cocoa. |
| class GraphicsContextGLCVANGLE final : public GraphicsContextGLCV { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| static std::unique_ptr<GraphicsContextGLCVANGLE> create(GraphicsContextGLOpenGL&); |
| |
| ~GraphicsContextGLCVANGLE() final; |
| |
| bool copyPixelBufferToTexture(CVPixelBufferRef, PlatformGLObject outputTexture, GCGLint level, GCGLenum internalFormat, GCGLenum format, GCGLenum type, FlipY) final; |
| |
| private: |
| GraphicsContextGLCVANGLE(GraphicsContextGLOpenGL&); |
| |
| unsigned lastTextureSeed(GCGLuint texture) |
| { |
| return m_lastTextureSeed.get(texture); |
| } |
| |
| GraphicsContextGLOpenGL& m_owner; |
| PlatformGraphicsContextGLDisplay m_display { nullptr }; |
| PlatformGraphicsContextGL m_context { nullptr }; |
| PlatformGraphicsContextGLConfig m_config { nullptr }; |
| |
| PlatformGLObject m_framebuffer { 0 }; |
| PlatformGLObject m_yuvVertexBuffer { 0 }; |
| GCGLint m_yTextureUniformLocation { -1 }; |
| GCGLint m_uvTextureUniformLocation { -1 }; |
| GCGLint m_yuvFlipYUniformLocation { -1 }; |
| GCGLint m_colorMatrixUniformLocation { -1 }; |
| GCGLint m_yuvPositionAttributeLocation { -1 }; |
| GCGLint m_yTextureSizeUniformLocation { -1 }; |
| GCGLint m_uvTextureSizeUniformLocation { -1 }; |
| |
| FlipY m_lastFlipY { FlipY::No }; |
| UnsafePointer<IOSurfaceRef> m_lastSurface; |
| uint32_t m_lastSurfaceSeed { 0 }; |
| |
| using TextureSeedMap = HashMap<GCGLuint, unsigned, IntHash<GCGLuint>, WTF::UnsignedWithZeroKeyHashTraits<GCGLuint>>; |
| TextureSeedMap m_lastTextureSeed; |
| }; |
| |
| } |
| |
| #endif |