| /* |
| * 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 HAVE(CORE_VIDEO) |
| |
| #import "GraphicsContextGLOpenGL.h" |
| #import <wtf/UnsafePointer.h> |
| |
| typedef struct __CVBuffer* CVImageBufferRef; |
| typedef struct __CVBuffer* CVPixelBufferRef; |
| typedef CVImageBufferRef CVOpenGLTextureRef; |
| typedef CVImageBufferRef CVOpenGLESTextureRef; |
| |
| namespace WebCore { |
| |
| class TextureCacheCV; |
| |
| class VideoTextureCopierCV { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| VideoTextureCopierCV(GraphicsContextGLOpenGL&); |
| ~VideoTextureCopierCV(); |
| |
| #if PLATFORM(IOS_FAMILY) |
| typedef CVOpenGLESTextureRef TextureType; |
| #else |
| typedef CVOpenGLTextureRef TextureType; |
| #endif |
| |
| bool copyImageToPlatformTexture(CVPixelBufferRef, size_t width, size_t height, PlatformGLObject outputTexture, GCGLenum outputTarget, GCGLint level, GCGLenum internalFormat, GCGLenum format, GCGLenum type, bool premultiplyAlpha, bool flipY); |
| bool copyVideoTextureToPlatformTexture(TextureType, size_t width, size_t height, PlatformGLObject outputTexture, GCGLenum outputTarget, GCGLint level, GCGLenum internalFormat, GCGLenum format, GCGLenum type, bool premultiplyAlpha, bool flipY, bool swapColorChannels = false); |
| |
| GraphicsContextGLOpenGL& context() { return m_context; } |
| |
| private: |
| bool copyVideoTextureToPlatformTexture(PlatformGLObject inputTexture, GCGLenum inputTarget, size_t width, size_t height, PlatformGLObject outputTexture, GCGLenum outputTarget, GCGLint level, GCGLenum internalFormat, GCGLenum format, GCGLenum type, bool premultiplyAlpha, bool flipY, bool swapColorChannels); |
| |
| bool initializeContextObjects(); |
| bool initializeUVContextObjects(); |
| |
| #if HAVE(IOSURFACE) |
| unsigned lastTextureSeed(GCGLuint texture) |
| { |
| auto iterator = m_lastTextureSeed.find(texture); |
| return iterator == m_lastTextureSeed.end() ? 0 : iterator->value; |
| } |
| #endif |
| |
| #if USE(ANGLE) |
| #if !HAVE(IOSURFACE) |
| #error USE(ANGLE) requires HAVE(IOSURFACE) |
| #endif // !HAVE(IOSURFACE) |
| |
| // Returns a handle which, if non-null, must be released via the |
| // detach call below. |
| void* attachIOSurfaceToTexture(GCGLenum target, GCGLenum internalFormat, GCGLsizei width, GCGLsizei height, GCGLenum type, IOSurfaceRef, GCGLuint plane); |
| void detachIOSurfaceFromTexture(void* handle); |
| #endif |
| |
| Ref<GraphicsContextGLOpenGL> m_sharedContext; |
| Ref<GraphicsContextGLOpenGL> m_context; |
| #if !USE(ANGLE) |
| std::unique_ptr<TextureCacheCV> m_textureCache; |
| #endif |
| PlatformGLObject m_framebuffer { 0 }; |
| PlatformGLObject m_program { 0 }; |
| PlatformGLObject m_vertexBuffer { 0 }; |
| GCGLint m_textureUniformLocation { -1 }; |
| GCGLint m_textureDimensionsUniformLocation { -1 }; |
| GCGLint m_flipYUniformLocation { -1 }; |
| GCGLint m_swapColorChannelsUniformLocation { -1 }; |
| GCGLint m_premultiplyUniformLocation { -1 }; |
| GCGLint m_positionAttributeLocation { -1 }; |
| PlatformGLObject m_yuvProgram { 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 }; |
| |
| #if HAVE(IOSURFACE) |
| bool m_lastFlipY { false }; |
| UnsafePointer<IOSurfaceRef> m_lastSurface; |
| uint32_t m_lastSurfaceSeed { 0 }; |
| |
| using TextureSeedMap = HashMap<GCGLuint, unsigned, WTF::IntHash<GCGLuint>, WTF::UnsignedWithZeroKeyHashTraits<GCGLuint>>; |
| TextureSeedMap m_lastTextureSeed; |
| #endif |
| }; |
| |
| } |
| |
| #endif // HAVE(CORE_VIDEO) |