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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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27 #define WebGLProgram_h | 27 #define WebGLProgram_h |
28 | 28 |
29 #include "bindings/v8/ScriptWrappable.h" | 29 #include "bindings/v8/ScriptWrappable.h" |
30 #include "core/html/canvas/WebGLSharedObject.h" | 30 #include "core/html/canvas/WebGLSharedObject.h" |
31 #include "core/html/canvas/WebGLShader.h" | 31 #include "core/html/canvas/WebGLShader.h" |
32 #include "wtf/PassRefPtr.h" | 32 #include "wtf/PassRefPtr.h" |
33 #include "wtf/Vector.h" | 33 #include "wtf/Vector.h" |
34 | 34 |
35 namespace WebCore { | 35 namespace WebCore { |
36 | 36 |
37 class WebGLProgram : public WebGLSharedObject, public ScriptWrappable { | 37 class WebGLProgram FINAL : public WebGLSharedObject, public ScriptWrappable { |
38 public: | 38 public: |
39 virtual ~WebGLProgram(); | 39 virtual ~WebGLProgram(); |
40 | 40 |
41 static PassRefPtr<WebGLProgram> create(WebGLRenderingContext*); | 41 static PassRefPtr<WebGLProgram> create(WebGLRenderingContext*); |
42 | 42 |
43 unsigned numActiveAttribLocations(); | 43 unsigned numActiveAttribLocations(); |
44 GLint getActiveAttribLocation(GLuint index); | 44 GLint getActiveAttribLocation(GLuint index); |
45 | 45 |
46 bool isUsingVertexAttrib0(); | 46 bool isUsingVertexAttrib0(); |
47 | 47 |
48 bool linkStatus(); | 48 bool linkStatus(); |
49 void setLinkStatus(bool); | 49 void setLinkStatus(bool); |
50 | 50 |
51 unsigned linkCount() const { return m_linkCount; } | 51 unsigned linkCount() const { return m_linkCount; } |
52 | 52 |
53 // This is to be called everytime after the program is successfully linked. | 53 // This is to be called everytime after the program is successfully linked. |
54 // We don't deal with integer overflow here, assuming in reality a program | 54 // We don't deal with integer overflow here, assuming in reality a program |
55 // will never be linked so many times. | 55 // will never be linked so many times. |
56 // Also, we invalidate the cached program info. | 56 // Also, we invalidate the cached program info. |
57 void increaseLinkCount(); | 57 void increaseLinkCount(); |
58 | 58 |
59 WebGLShader* getAttachedShader(GLenum); | 59 WebGLShader* getAttachedShader(GLenum); |
60 bool attachShader(WebGLShader*); | 60 bool attachShader(WebGLShader*); |
61 bool detachShader(WebGLShader*); | 61 bool detachShader(WebGLShader*); |
62 | 62 |
63 protected: | 63 protected: |
64 WebGLProgram(WebGLRenderingContext*); | 64 WebGLProgram(WebGLRenderingContext*); |
65 | 65 |
66 virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject); | 66 virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject) OVERRIDE
; |
67 | 67 |
68 private: | 68 private: |
69 virtual bool isProgram() const { return true; } | 69 virtual bool isProgram() const OVERRIDE { return true; } |
70 | 70 |
71 void cacheActiveAttribLocations(GraphicsContext3D*); | 71 void cacheActiveAttribLocations(GraphicsContext3D*); |
72 void cacheInfoIfNeeded(); | 72 void cacheInfoIfNeeded(); |
73 | 73 |
74 Vector<GLint> m_activeAttribLocations; | 74 Vector<GLint> m_activeAttribLocations; |
75 | 75 |
76 GLint m_linkStatus; | 76 GLint m_linkStatus; |
77 | 77 |
78 // This is used to track whether a WebGLUniformLocation belongs to this | 78 // This is used to track whether a WebGLUniformLocation belongs to this |
79 // program or not. | 79 // program or not. |
80 unsigned m_linkCount; | 80 unsigned m_linkCount; |
81 | 81 |
82 RefPtr<WebGLShader> m_vertexShader; | 82 RefPtr<WebGLShader> m_vertexShader; |
83 RefPtr<WebGLShader> m_fragmentShader; | 83 RefPtr<WebGLShader> m_fragmentShader; |
84 | 84 |
85 bool m_infoValid; | 85 bool m_infoValid; |
86 }; | 86 }; |
87 | 87 |
88 } // namespace WebCore | 88 } // namespace WebCore |
89 | 89 |
90 #endif // WebGLProgram_h | 90 #endif // WebGLProgram_h |
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