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| 1 /* |
| 2 * Copyright (C) 2013 Google 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 * |
| 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright |
| 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. |
| 13 * |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ |
| 25 |
| 26 #include "config.h" |
| 27 |
| 28 #include "core/html/canvas/WebGLSharedResources.h" |
| 29 |
| 30 #include "core/html/canvas/WebGLAcquireSharedResourceCallback.h" |
| 31 #include "core/html/canvas/WebGLContextGroup.h" |
| 32 #include "core/html/canvas/WebGLRenderingContext.h" |
| 33 #include "core/html/canvas/WebGLShareGroup.h" |
| 34 #include "core/platform/graphics/Extensions3D.h" |
| 35 |
| 36 namespace WebCore { |
| 37 |
| 38 |
| 39 WebGLSharedResources::WebGLSharedResources(WebGLRenderingContext* context) |
| 40 : WebGLExtension(context) |
| 41 , m_shareGroup(WebGLShareGroup::create(context->contextGroup())) |
| 42 { |
| 43 } |
| 44 |
| 45 WebGLSharedResources::~WebGLSharedResources() |
| 46 { |
| 47 } |
| 48 |
| 49 WebGLExtension::ExtensionName WebGLSharedResources::getName() const |
| 50 { |
| 51 return WebGLSharedResourcesName; |
| 52 } |
| 53 |
| 54 PassRefPtr<WebGLSharedResources> WebGLSharedResources::create(WebGLRenderingCont
ext* context) |
| 55 { |
| 56 return adoptRef(new WebGLSharedResources(context)); |
| 57 } |
| 58 |
| 59 long WebGLSharedResources::acquireSharedResource(WebGLSharedObject* object, unsi
gned desiredMode, PassRefPtr<WebGLAcquireSharedResourceCallback> callback, Excep
tionCode& ec) |
| 60 { |
| 61 if (isLost()) { |
| 62 return 0; |
| 63 } |
| 64 |
| 65 WebGLSharedObject::AcquireMode mode; |
| 66 if (!WebGLSharedObject::IntToAcquireMode(desiredMode, &mode)) { |
| 67 m_context->synthesizeGLError(GraphicsContext3D::INVALID_ENUM, "acquireSh
aredResource", "unknown mode"); |
| 68 return 0; |
| 69 } |
| 70 return m_context->acquireSharedResource(object, mode, callback, ec); |
| 71 } |
| 72 |
| 73 void WebGLSharedResources::releaseSharedResource(WebGLSharedObject* object, Exce
ptionCode& ec) |
| 74 { |
| 75 if (isLost()) { |
| 76 return; |
| 77 } |
| 78 |
| 79 m_context->releaseSharedResource(object, ec); |
| 80 } |
| 81 |
| 82 void WebGLSharedResources::cancelAcquireSharedResource(long id) |
| 83 { |
| 84 if (isLost()) { |
| 85 return; |
| 86 } |
| 87 |
| 88 m_context->cancelAcquireSharedResource(id); |
| 89 } |
| 90 |
| 91 bool WebGLSharedResources::supported(WebGLRenderingContext*) |
| 92 { |
| 93 return true; |
| 94 } |
| 95 |
| 96 PassRefPtr<WebGLShareGroup> WebGLSharedResources::group() const |
| 97 { |
| 98 if (isLost()) { |
| 99 return 0; |
| 100 } |
| 101 |
| 102 return m_shareGroup; |
| 103 } |
| 104 |
| 105 const char* WebGLSharedResources::getExtensionName() |
| 106 { |
| 107 return "WEBGL_shared_resources"; |
| 108 } |
| 109 |
| 110 } // namespace WebCore |
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