| /* |
| * Copyright (C) 2019 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 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 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 |
| |
| #include "ExtensionsGL.h" |
| |
| #include <wtf/HashSet.h> |
| #include <wtf/text/StringHash.h> |
| |
| namespace WebCore { |
| |
| class GraphicsContextGLOpenGL; |
| |
| class ExtensionsGLANGLE : public ExtensionsGL { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| // This class only needs to be instantiated by GraphicsContextGLOpenGL implementations. |
| explicit ExtensionsGLANGLE(GraphicsContextGLOpenGL*); |
| virtual ~ExtensionsGLANGLE(); |
| |
| // ExtensionsGL methods. |
| bool supports(const String&) override; |
| void ensureEnabled(const String&) override; |
| bool isEnabled(const String&) override; |
| GCGLint getGraphicsResetStatusARB() override; |
| |
| void drawBuffersEXT(GCGLSpan<const GCGLenum>) override; |
| |
| String getTranslatedShaderSourceANGLE(PlatformGLObject) override; |
| |
| // Only for non-WebGL 2.0 contexts. |
| GCGLenum adjustWebGL1TextureInternalFormat(GCGLenum internalformat, GCGLenum format, GCGLenum type); |
| |
| private: |
| bool supportsExtension(const String&); |
| String getExtensions(); |
| |
| virtual void initializeAvailableExtensions(); |
| bool m_initializedAvailableExtensions; |
| HashSet<String> m_availableExtensions; |
| HashSet<String> m_requestableExtensions; |
| HashSet<String> m_enabledExtensions; |
| |
| // Weak pointer back to GraphicsContextGLOpenGL. |
| GraphicsContextGLOpenGL* m_context; |
| |
| // Whether the WebGL 1.0-related floating-point renderability extensions have been enabled. |
| bool m_webglColorBufferFloatRGB { false }; |
| bool m_webglColorBufferFloatRGBA { false }; |
| }; |
| |
| } // namespace WebCore |