15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (c) 2010, Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions in binary form must reproduce the above 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef WebGLContextAttributes_h 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define WebGLContextAttributes_h 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 30197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch#include "bindings/core/v8/ScriptWrappable.h" 3153e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/canvas/CanvasContextAttributes.h" 3209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)#include "public/platform/WebGraphicsContext3D.h" 3393ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#include "wtf/PassRefPtr.h" 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 35c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)class Settings; 3809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) 3909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)class WebGLContextAttributes FINAL : public CanvasContextAttributes, public ScriptWrappable { 40c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(WebGLContextAttributes); 417242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci DEFINE_WRAPPERTYPEINFO(); 4293ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)public: 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Create a new attributes object 44c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) static PassRefPtrWillBeRawPtr<WebGLContextAttributes> create(); 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // Create a copy of this object. 47c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) PassRefPtrWillBeRawPtr<WebGLContextAttributes> clone() const; 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Whether or not the drawing buffer has an alpha channel; default=true 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool alpha() const; 5109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) void setAlpha(bool); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Whether or not the drawing buffer has a depth buffer; default=true 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool depth() const; 5509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) void setDepth(bool); 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // Whether or not the drawing buffer has a stencil buffer; default=false 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool stencil() const; 5909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) void setStencil(bool); 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Whether or not the drawing buffer is antialiased; default=true 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool antialias() const; 6309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) void setAntialias(bool); 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Whether or not to treat the values in the drawing buffer as 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // though their alpha channel has already been multiplied into the 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // color channels; default=true 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool premultipliedAlpha() const; 6909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) void setPremultipliedAlpha(bool); 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Whether or not to preserve the drawing buffer after presentation to the 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // screen; default=false 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool preserveDrawingBuffer() const; 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setPreserveDrawingBuffer(bool); 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7651b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) // Whether or not to fail context creation if performance will be 7751b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) // significantly degraded compared to a native GL context; default=false 7851b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) bool failIfMajorPerformanceCaveat() const; 7951b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) void setFailIfMajorPerformanceCaveat(bool); 8051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) 8109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // Set up the attributes that can be used to initialize a WebGraphicsContext3D. 8209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // It's mostly based on WebGLContextAttributes, but would be adjusted based 8309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // on settings. 84197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch blink::WebGraphicsContext3D::Attributes attributes(const blink::WebString&, Settings*, unsigned webGLVersion) const; 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8693ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)protected: 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) WebGLContextAttributes(); 8809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) WebGLContextAttributes(const WebGLContextAttributes&); 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 9093ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)private: 9109380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool m_alpha; 9209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool m_depth; 9309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool m_stencil; 9409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool m_antialias; 9509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool m_premultipliedAlpha; 9609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool m_preserveDrawingBuffer; 9709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) bool m_failIfMajorPerformanceCaveat; 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 100c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 1015c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // WebGLContextAttributes_h 103