1 /* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef WebGLRenderingContext_h 27 #define WebGLRenderingContext_h 28 29 #include "bindings/core/v8/ScriptWrappable.h" 30 #include "core/html/canvas/WebGLRenderingContextBase.h" 31 32 namespace blink { 33 34 class WebGLRenderingContext FINAL : public WebGLRenderingContextBase, public ScriptWrappable { 35 DEFINE_WRAPPERTYPEINFO(); 36 public: 37 static PassOwnPtrWillBeRawPtr<WebGLRenderingContext> create(HTMLCanvasElement*, WebGLContextAttributes*); 38 virtual ~WebGLRenderingContext(); 39 version()40 virtual unsigned version() const OVERRIDE { return 1; } contextName()41 virtual String contextName() const OVERRIDE { return "WebGLRenderingContext"; } 42 virtual void registerContextExtensions() OVERRIDE; 43 44 virtual void trace(Visitor*) OVERRIDE; 45 46 private: 47 WebGLRenderingContext(HTMLCanvasElement*, PassOwnPtr<blink::WebGraphicsContext3D>, WebGLContextAttributes*); 48 49 // Enabled extension objects. 50 RefPtrWillBeMember<ANGLEInstancedArrays> m_angleInstancedArrays; 51 RefPtrWillBeMember<EXTBlendMinMax> m_extBlendMinMax; 52 RefPtrWillBeMember<EXTFragDepth> m_extFragDepth; 53 RefPtrWillBeMember<EXTShaderTextureLOD> m_extShaderTextureLOD; 54 RefPtrWillBeMember<EXTTextureFilterAnisotropic> m_extTextureFilterAnisotropic; 55 RefPtrWillBeMember<OESTextureFloat> m_oesTextureFloat; 56 RefPtrWillBeMember<OESTextureFloatLinear> m_oesTextureFloatLinear; 57 RefPtrWillBeMember<OESTextureHalfFloat> m_oesTextureHalfFloat; 58 RefPtrWillBeMember<OESTextureHalfFloatLinear> m_oesTextureHalfFloatLinear; 59 RefPtrWillBeMember<OESStandardDerivatives> m_oesStandardDerivatives; 60 RefPtrWillBeMember<OESVertexArrayObject> m_oesVertexArrayObject; 61 RefPtrWillBeMember<OESElementIndexUint> m_oesElementIndexUint; 62 RefPtrWillBeMember<WebGLLoseContext> m_webglLoseContext; 63 RefPtrWillBeMember<WebGLDebugRendererInfo> m_webglDebugRendererInfo; 64 RefPtrWillBeMember<WebGLDebugShaders> m_webglDebugShaders; 65 RefPtrWillBeMember<WebGLDrawBuffers> m_webglDrawBuffers; 66 RefPtrWillBeMember<WebGLCompressedTextureATC> m_webglCompressedTextureATC; 67 RefPtrWillBeMember<WebGLCompressedTextureETC1> m_webglCompressedTextureETC1; 68 RefPtrWillBeMember<WebGLCompressedTexturePVRTC> m_webglCompressedTexturePVRTC; 69 RefPtrWillBeMember<WebGLCompressedTextureS3TC> m_webglCompressedTextureS3TC; 70 RefPtrWillBeMember<WebGLDepthTexture> m_webglDepthTexture; 71 }; 72 73 DEFINE_TYPE_CASTS(WebGLRenderingContext, CanvasRenderingContext, context, 74 context->is3d() && WebGLRenderingContextBase::getWebGLVersion(context) == 1, 75 context.is3d() && WebGLRenderingContextBase::getWebGLVersion(&context) == 1); 76 77 } // namespace blink 78 79 #endif // WebGLRenderingContext_h 80