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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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30 #include "core/html/canvas/WebGLContextObject.h" | 30 #include "core/html/canvas/WebGLContextObject.h" |
31 #include "core/html/canvas/WebGLSharedObject.h" | 31 #include "core/html/canvas/WebGLSharedObject.h" |
32 #include "wtf/PassRefPtr.h" | 32 #include "wtf/PassRefPtr.h" |
33 #include "wtf/RefCounted.h" | 33 #include "wtf/RefCounted.h" |
34 | 34 |
35 namespace WebCore { | 35 namespace WebCore { |
36 | 36 |
37 class WebGLRenderbuffer; | 37 class WebGLRenderbuffer; |
38 class WebGLTexture; | 38 class WebGLTexture; |
39 | 39 |
40 class WebGLFramebuffer : public WebGLContextObject, public ScriptWrappable { | 40 class WebGLFramebuffer FINAL : public WebGLContextObject, public ScriptWrappable { |
41 public: | 41 public: |
42 class WebGLAttachment : public RefCounted<WebGLAttachment> { | 42 class WebGLAttachment : public RefCounted<WebGLAttachment> { |
43 public: | 43 public: |
44 virtual ~WebGLAttachment(); | 44 virtual ~WebGLAttachment(); |
45 | 45 |
46 virtual GLsizei width() const = 0; | 46 virtual GLsizei width() const = 0; |
47 virtual GLsizei height() const = 0; | 47 virtual GLsizei height() const = 0; |
48 virtual GLenum format() const = 0; | 48 virtual GLenum format() const = 0; |
49 // For texture attachment, type() returns the type of the attached textu re. | 49 // For texture attachment, type() returns the type of the attached textu re. |
50 // For renderbuffer attachment, the type of the renderbuffer may vary wi th GL implementation. | 50 // For renderbuffer attachment, the type of the renderbuffer may vary wi th GL implementation. |
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101 bool hasStencilBuffer() const; | 101 bool hasStencilBuffer() const; |
102 | 102 |
103 // Wrapper for drawBuffersEXT/drawBuffersARB to work around a driver bug. | 103 // Wrapper for drawBuffersEXT/drawBuffersARB to work around a driver bug. |
104 void drawBuffers(const Vector<GLenum>& bufs); | 104 void drawBuffers(const Vector<GLenum>& bufs); |
105 | 105 |
106 GLenum getDrawBuffer(GLenum); | 106 GLenum getDrawBuffer(GLenum); |
107 | 107 |
108 protected: | 108 protected: |
109 WebGLFramebuffer(WebGLRenderingContext*); | 109 WebGLFramebuffer(WebGLRenderingContext*); |
110 | 110 |
111 virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject); | 111 virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject) OVERRIDE ; |
112 | 112 |
113 private: | 113 private: |
114 virtual bool isFramebuffer() const { return true; } | |
eseidel
2014/01/10 19:11:22
Dead code?
Inactive
2014/01/10 19:18:26
Yes, it does not override anything and it is never
| |
115 | |
116 WebGLAttachment* getAttachment(GLenum) const; | 114 WebGLAttachment* getAttachment(GLenum) const; |
117 bool isAttachmentComplete(WebGLAttachment* attachedObject, GLenum attachment , const char** reason) const; | 115 bool isAttachmentComplete(WebGLAttachment* attachedObject, GLenum attachment , const char** reason) const; |
118 | 116 |
119 // Check if the framebuffer is currently bound. | 117 // Check if the framebuffer is currently bound. |
120 bool isBound() const; | 118 bool isBound() const; |
121 | 119 |
122 // attach 'attachment' at 'attachmentPoint'. | 120 // attach 'attachment' at 'attachmentPoint'. |
123 void attach(GLenum attachment, GLenum attachmentPoint); | 121 void attach(GLenum attachment, GLenum attachmentPoint); |
124 | 122 |
125 // Check if a new drawBuffers call should be issued. This is called when we add or remove an attachment. | 123 // Check if a new drawBuffers call should be issued. This is called when we add or remove an attachment. |
126 void drawBuffersIfNecessary(bool force); | 124 void drawBuffersIfNecessary(bool force); |
127 | 125 |
128 typedef WTF::HashMap<GLenum, RefPtr<WebGLAttachment> > AttachmentMap; | 126 typedef WTF::HashMap<GLenum, RefPtr<WebGLAttachment> > AttachmentMap; |
129 | 127 |
130 AttachmentMap m_attachments; | 128 AttachmentMap m_attachments; |
131 | 129 |
132 bool m_hasEverBeenBound; | 130 bool m_hasEverBeenBound; |
133 | 131 |
134 Vector<GLenum> m_drawBuffers; | 132 Vector<GLenum> m_drawBuffers; |
135 Vector<GLenum> m_filteredDrawBuffers; | 133 Vector<GLenum> m_filteredDrawBuffers; |
136 }; | 134 }; |
137 | 135 |
138 } // namespace WebCore | 136 } // namespace WebCore |
139 | 137 |
140 #endif // WebGLFramebuffer_h | 138 #endif // WebGLFramebuffer_h |
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