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| 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 #include "sky/engine/config.h" | |
| 27 | |
| 28 #include "sky/engine/core/html/canvas/WebGLRenderbuffer.h" | |
| 29 | |
| 30 #include "sky/engine/core/html/canvas/WebGLRenderingContextBase.h" | |
| 31 | |
| 32 namespace blink { | |
| 33 | |
| 34 PassRefPtr<WebGLRenderbuffer> WebGLRenderbuffer::create(WebGLRenderingContextBas
e* ctx) | |
| 35 { | |
| 36 return adoptRef(new WebGLRenderbuffer(ctx)); | |
| 37 } | |
| 38 | |
| 39 WebGLRenderbuffer::~WebGLRenderbuffer() | |
| 40 { | |
| 41 #if ENABLE(OILPAN) | |
| 42 // This render buffer (heap) object must finalize itself. | |
| 43 m_emulatedStencilBuffer.clear(); | |
| 44 #endif | |
| 45 // Always call detach here to ensure that platform object deletion | |
| 46 // happens with Oilpan enabled. It keeps the code regular to do it | |
| 47 // with or without Oilpan enabled. | |
| 48 // | |
| 49 // See comment in WebGLBuffer's destructor for additional | |
| 50 // information on why this is done for WebGLSharedObject-derived | |
| 51 // objects. | |
| 52 detachAndDeleteObject(); | |
| 53 } | |
| 54 | |
| 55 WebGLRenderbuffer::WebGLRenderbuffer(WebGLRenderingContextBase* ctx) | |
| 56 : WebGLSharedObject(ctx) | |
| 57 , m_internalFormat(GL_RGBA4) | |
| 58 , m_width(0) | |
| 59 , m_height(0) | |
| 60 , m_hasEverBeenBound(false) | |
| 61 { | |
| 62 setObject(ctx->webContext()->createRenderbuffer()); | |
| 63 } | |
| 64 | |
| 65 void WebGLRenderbuffer::deleteObjectImpl(blink::WebGraphicsContext3D* context3d,
Platform3DObject object) | |
| 66 { | |
| 67 context3d->deleteRenderbuffer(object); | |
| 68 deleteEmulatedStencilBuffer(context3d); | |
| 69 } | |
| 70 | |
| 71 void WebGLRenderbuffer::deleteEmulatedStencilBuffer(blink::WebGraphicsContext3D*
context3d) | |
| 72 { | |
| 73 if (!m_emulatedStencilBuffer) | |
| 74 return; | |
| 75 m_emulatedStencilBuffer->deleteObject(context3d); | |
| 76 m_emulatedStencilBuffer.clear(); | |
| 77 } | |
| 78 | |
| 79 } | |
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