| /* |
| * Copyright (C) 2011 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 COMPUTER, INC. ``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 COMPUTER, INC. OR |
| * 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. |
| */ |
| |
| #include "config.h" |
| |
| #include "core/html/canvas/OESVertexArrayObject.h" |
| |
| #include "bindings/v8/ExceptionState.h" |
| #include "core/html/canvas/WebGLRenderingContext.h" |
| #include "core/html/canvas/WebGLVertexArrayObjectOES.h" |
| #include "platform/graphics/Extensions3D.h" |
| |
| namespace WebCore { |
| |
| OESVertexArrayObject::OESVertexArrayObject(WebGLRenderingContext* context) |
| : WebGLExtension(context) |
| { |
| ScriptWrappable::init(this); |
| context->graphicsContext3D()->extensions()->ensureEnabled("GL_OES_vertex_array_object"); |
| } |
| |
| OESVertexArrayObject::~OESVertexArrayObject() |
| { |
| } |
| |
| WebGLExtension::ExtensionName OESVertexArrayObject::name() const |
| { |
| return OESVertexArrayObjectName; |
| } |
| |
| PassRefPtr<OESVertexArrayObject> OESVertexArrayObject::create(WebGLRenderingContext* context) |
| { |
| return adoptRef(new OESVertexArrayObject(context)); |
| } |
| |
| PassRefPtr<WebGLVertexArrayObjectOES> OESVertexArrayObject::createVertexArrayOES() |
| { |
| if (isLost()) |
| return 0; |
| |
| RefPtr<WebGLVertexArrayObjectOES> o = WebGLVertexArrayObjectOES::create(m_context, WebGLVertexArrayObjectOES::VaoTypeUser); |
| m_context->addContextObject(o.get()); |
| return o.release(); |
| } |
| |
| void OESVertexArrayObject::deleteVertexArrayOES(WebGLVertexArrayObjectOES* arrayObject) |
| { |
| if (!arrayObject || isLost()) |
| return; |
| |
| if (!arrayObject->isDefaultObject() && arrayObject == m_context->m_boundVertexArrayObject) |
| m_context->setBoundVertexArrayObject(0); |
| |
| arrayObject->deleteObject(m_context->graphicsContext3D()); |
| } |
| |
| GC3Dboolean OESVertexArrayObject::isVertexArrayOES(WebGLVertexArrayObjectOES* arrayObject) |
| { |
| if (!arrayObject || isLost()) |
| return 0; |
| |
| if (!arrayObject->hasEverBeenBound()) |
| return 0; |
| |
| Extensions3D* extensions = m_context->graphicsContext3D()->extensions(); |
| return extensions->isVertexArrayOES(arrayObject->object()); |
| } |
| |
| void OESVertexArrayObject::bindVertexArrayOES(WebGLVertexArrayObjectOES* arrayObject) |
| { |
| if (isLost()) |
| return; |
| |
| if (arrayObject && (arrayObject->isDeleted() || !arrayObject->validate(0, context()))) { |
| m_context->graphicsContext3D()->synthesizeGLError(GL_INVALID_OPERATION); |
| return; |
| } |
| |
| Extensions3D* extensions = m_context->graphicsContext3D()->extensions(); |
| if (arrayObject && !arrayObject->isDefaultObject() && arrayObject->object()) { |
| extensions->bindVertexArrayOES(arrayObject->object()); |
| |
| arrayObject->setHasEverBeenBound(); |
| m_context->setBoundVertexArrayObject(arrayObject); |
| } else { |
| extensions->bindVertexArrayOES(0); |
| m_context->setBoundVertexArrayObject(0); |
| } |
| } |
| |
| bool OESVertexArrayObject::supported(WebGLRenderingContext* context) |
| { |
| Extensions3D* extensions = context->graphicsContext3D()->extensions(); |
| return extensions->supports("GL_OES_vertex_array_object"); |
| } |
| |
| const char* OESVertexArrayObject::extensionName() |
| { |
| return "OES_vertex_array_object"; |
| } |
| |
| } // namespace WebCore |