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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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590 // Returns guid corresponding to the given string (the hash value) for | 590 // Returns guid corresponding to the given string (the hash value) for |
591 // creating a WebMemoryAllocatorDump. | 591 // creating a WebMemoryAllocatorDump. |
592 virtual WebMemoryAllocatorDumpGuid createWebMemoryAllocatorDumpGuid(const We
bString& guidStr) { return 0; } | 592 virtual WebMemoryAllocatorDumpGuid createWebMemoryAllocatorDumpGuid(const We
bString& guidStr) { return 0; } |
593 | 593 |
594 // GPU ---------------------------------------------------------------- | 594 // GPU ---------------------------------------------------------------- |
595 // | 595 // |
596 // May return null if GPU is not supported. | 596 // May return null if GPU is not supported. |
597 // Returns newly allocated and initialized offscreen WebGraphicsContext3D in
stance. | 597 // Returns newly allocated and initialized offscreen WebGraphicsContext3D in
stance. |
598 // Passing an existing context to shareContext will create the new context i
n the same share group as the passed context. | 598 // Passing an existing context to shareContext will create the new context i
n the same share group as the passed context. |
599 virtual WebGraphicsContext3D* createOffscreenGraphicsContext3D(const WebGrap
hicsContext3D::Attributes&, WebGraphicsContext3D* shareContext) { return nullptr
; } | 599 virtual WebGraphicsContext3D* createOffscreenGraphicsContext3D(const WebGrap
hicsContext3D::Attributes&, WebGraphicsContext3D* shareContext) { return nullptr
; } |
600 virtual WebGraphicsContext3D* createOffscreenGraphicsContext3D(const WebGrap
hicsContext3D::Attributes&, WebGraphicsContext3D* shareContext, WebGLInfo* glInf
o) { return nullptr; } | 600 virtual WebGraphicsContext3D* createOffscreenGraphicsContext3D(const WebGrap
hicsContext3D::Attributes&, WebGraphicsContext3D* shareContext, WebGraphicsConte
xt3D::WebGraphicsInfo* glInfo) { return nullptr; } |
601 virtual WebGraphicsContext3D* createOffscreenGraphicsContext3D(const WebGrap
hicsContext3D::Attributes&) { return nullptr; } | 601 virtual WebGraphicsContext3D* createOffscreenGraphicsContext3D(const WebGrap
hicsContext3D::Attributes&) { return nullptr; } |
602 | 602 |
603 // Returns a newly allocated and initialized offscreen context provider. The
provider may return a null | 603 // Returns a newly allocated and initialized offscreen context provider. The
provider may return a null |
604 // graphics context if GPU is not supported. | 604 // graphics context if GPU is not supported. |
605 virtual WebGraphicsContext3DProvider* createSharedOffscreenGraphicsContext3D
Provider() { return nullptr; } | 605 virtual WebGraphicsContext3DProvider* createSharedOffscreenGraphicsContext3D
Provider() { return nullptr; } |
606 | 606 |
607 // Returns true if the platform is capable of producing an offscreen context
suitable for accelerating 2d canvas. | 607 // Returns true if the platform is capable of producing an offscreen context
suitable for accelerating 2d canvas. |
608 // This will return false if the platform cannot promise that contexts will
be preserved across operations like | 608 // This will return false if the platform cannot promise that contexts will
be preserved across operations like |
609 // locking the screen or if the platform cannot provide a context with suita
ble performance characteristics. | 609 // locking the screen or if the platform cannot provide a context with suita
ble performance characteristics. |
610 // | 610 // |
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734 protected: | 734 protected: |
735 BLINK_PLATFORM_EXPORT Platform(); | 735 BLINK_PLATFORM_EXPORT Platform(); |
736 virtual ~Platform() { } | 736 virtual ~Platform() { } |
737 | 737 |
738 WebThread* m_mainThread; | 738 WebThread* m_mainThread; |
739 }; | 739 }; |
740 | 740 |
741 } // namespace blink | 741 } // namespace blink |
742 | 742 |
743 #endif | 743 #endif |
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