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1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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608 TypedExtensionTracker(RefPtr<T>& extensionField, ExtensionFlags flags, c
onst char* const* prefixes) | 608 TypedExtensionTracker(RefPtr<T>& extensionField, ExtensionFlags flags, c
onst char* const* prefixes) |
609 : ExtensionTracker(flags, prefixes) | 609 : ExtensionTracker(flags, prefixes) |
610 , m_extensionField(extensionField) | 610 , m_extensionField(extensionField) |
611 { | 611 { |
612 } | 612 } |
613 | 613 |
614 virtual ~TypedExtensionTracker() | 614 virtual ~TypedExtensionTracker() |
615 { | 615 { |
616 if (m_extensionField) { | 616 if (m_extensionField) { |
617 m_extensionField->lose(true); | 617 m_extensionField->lose(true); |
618 m_extensionField = 0; | 618 m_extensionField = nullptr; |
619 } | 619 } |
620 } | 620 } |
621 | 621 |
622 virtual PassRefPtr<WebGLExtension> getExtension(WebGLRenderingContext* c
ontext) const OVERRIDE | 622 virtual PassRefPtr<WebGLExtension> getExtension(WebGLRenderingContext* c
ontext) const OVERRIDE |
623 { | 623 { |
624 if (!m_extensionField) | 624 if (!m_extensionField) |
625 m_extensionField = T::create(context); | 625 m_extensionField = T::create(context); |
626 | 626 |
627 return m_extensionField; | 627 return m_extensionField; |
628 } | 628 } |
629 | 629 |
630 virtual bool supported(WebGLRenderingContext* context) const OVERRIDE | 630 virtual bool supported(WebGLRenderingContext* context) const OVERRIDE |
631 { | 631 { |
632 return T::supported(context); | 632 return T::supported(context); |
633 } | 633 } |
634 | 634 |
635 virtual const char* extensionName() const OVERRIDE | 635 virtual const char* extensionName() const OVERRIDE |
636 { | 636 { |
637 return T::extensionName(); | 637 return T::extensionName(); |
638 } | 638 } |
639 | 639 |
640 virtual void loseExtension() OVERRIDE | 640 virtual void loseExtension() OVERRIDE |
641 { | 641 { |
642 if (m_extensionField) { | 642 if (m_extensionField) { |
643 m_extensionField->lose(false); | 643 m_extensionField->lose(false); |
644 if (m_extensionField->isLost()) | 644 if (m_extensionField->isLost()) |
645 m_extensionField = 0; | 645 m_extensionField = nullptr; |
646 } | 646 } |
647 } | 647 } |
648 | 648 |
649 private: | 649 private: |
650 RefPtr<T>& m_extensionField; | 650 RefPtr<T>& m_extensionField; |
651 }; | 651 }; |
652 | 652 |
653 Vector<ExtensionTracker*> m_extensions; | 653 Vector<ExtensionTracker*> m_extensions; |
654 | 654 |
655 template <typename T> | 655 template <typename T> |
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917 // If the vector is empty, return the maximum allowed active context number. | 917 // If the vector is empty, return the maximum allowed active context number. |
918 static size_t oldestContextIndex(); | 918 static size_t oldestContextIndex(); |
919 static IntSize oldestContextSize(); | 919 static IntSize oldestContextSize(); |
920 }; | 920 }; |
921 | 921 |
922 DEFINE_TYPE_CASTS(WebGLRenderingContext, CanvasRenderingContext, context, contex
t->is3d(), context.is3d()); | 922 DEFINE_TYPE_CASTS(WebGLRenderingContext, CanvasRenderingContext, context, contex
t->is3d(), context.is3d()); |
923 | 923 |
924 } // namespace WebCore | 924 } // namespace WebCore |
925 | 925 |
926 #endif | 926 #endif |
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