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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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25 | 25 |
26 #include "config.h" | 26 #include "config.h" |
27 | 27 |
28 #include "modules/webgl/WebGLProgram.h" | 28 #include "modules/webgl/WebGLProgram.h" |
29 | 29 |
30 #include "modules/webgl/WebGLContextGroup.h" | 30 #include "modules/webgl/WebGLContextGroup.h" |
31 #include "modules/webgl/WebGLRenderingContextBase.h" | 31 #include "modules/webgl/WebGLRenderingContextBase.h" |
32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 PassRefPtrWillBeRawPtr<WebGLProgram> WebGLProgram::create(WebGLRenderingContextB
ase* ctx) | 35 WebGLProgram* WebGLProgram::create(WebGLRenderingContextBase* ctx) |
36 { | 36 { |
37 return adoptRefWillBeNoop(new WebGLProgram(ctx)); | 37 return new WebGLProgram(ctx); |
38 } | 38 } |
39 | 39 |
40 WebGLProgram::WebGLProgram(WebGLRenderingContextBase* ctx) | 40 WebGLProgram::WebGLProgram(WebGLRenderingContextBase* ctx) |
41 : WebGLSharedPlatform3DObject(ctx) | 41 : WebGLSharedPlatform3DObject(ctx) |
42 , m_linkStatus(false) | 42 , m_linkStatus(false) |
43 , m_linkCount(0) | 43 , m_linkCount(0) |
44 , m_infoValid(true) | 44 , m_infoValid(true) |
45 { | 45 { |
46 setObject(ctx->webContext()->createProgram()); | 46 setObject(ctx->webContext()->createProgram()); |
47 } | 47 } |
48 | 48 |
49 WebGLProgram::~WebGLProgram() | 49 WebGLProgram::~WebGLProgram() |
50 { | 50 { |
51 #if ENABLE(OILPAN) | |
52 // These heap objects handle detachment on their own. Clear out | 51 // These heap objects handle detachment on their own. Clear out |
53 // the references to prevent deleteObjectImpl() from trying to do | 52 // the references to prevent deleteObjectImpl() from trying to do |
54 // same, as we cannot safely access other heap objects from this | 53 // same, as we cannot safely access other heap objects from this |
55 // destructor. | 54 // destructor. |
56 m_vertexShader = nullptr; | 55 m_vertexShader = nullptr; |
57 m_fragmentShader = nullptr; | 56 m_fragmentShader = nullptr; |
58 #endif | 57 |
59 // Always call detach here to ensure that platform object deletion | 58 // See the comment in WebGLObject::detachAndDeleteObject(). |
60 // happens with Oilpan enabled. It keeps the code regular to do it | |
61 // with or without Oilpan enabled. | |
62 // | |
63 // See comment in WebGLBuffer's destructor for additional | |
64 // information on why this is done for WebGLSharedObject-derived | |
65 // objects. | |
66 detachAndDeleteObject(); | 59 detachAndDeleteObject(); |
67 } | 60 } |
68 | 61 |
69 void WebGLProgram::deleteObjectImpl(WebGraphicsContext3D* context3d) | 62 void WebGLProgram::deleteObjectImpl(WebGraphicsContext3D* context3d) |
70 { | 63 { |
71 context3d->deleteProgram(m_object); | 64 context3d->deleteProgram(m_object); |
72 m_object = 0; | 65 m_object = 0; |
73 if (m_vertexShader) { | 66 if (m_vertexShader) { |
74 m_vertexShader->onDetached(context3d); | 67 m_vertexShader->onDetached(context3d); |
75 m_vertexShader = nullptr; | 68 m_vertexShader = nullptr; |
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113 void WebGLProgram::increaseLinkCount() | 106 void WebGLProgram::increaseLinkCount() |
114 { | 107 { |
115 ++m_linkCount; | 108 ++m_linkCount; |
116 m_infoValid = false; | 109 m_infoValid = false; |
117 } | 110 } |
118 | 111 |
119 WebGLShader* WebGLProgram::getAttachedShader(GLenum type) | 112 WebGLShader* WebGLProgram::getAttachedShader(GLenum type) |
120 { | 113 { |
121 switch (type) { | 114 switch (type) { |
122 case GL_VERTEX_SHADER: | 115 case GL_VERTEX_SHADER: |
123 return m_vertexShader.get(); | 116 return m_vertexShader; |
124 case GL_FRAGMENT_SHADER: | 117 case GL_FRAGMENT_SHADER: |
125 return m_fragmentShader.get(); | 118 return m_fragmentShader; |
126 default: | 119 default: |
127 return 0; | 120 return 0; |
128 } | 121 } |
129 } | 122 } |
130 | 123 |
131 bool WebGLProgram::attachShader(WebGLShader* shader) | 124 bool WebGLProgram::attachShader(WebGLShader* shader) |
132 { | 125 { |
133 if (!shader || !shader->object()) | 126 if (!shader || !shader->object()) |
134 return false; | 127 return false; |
135 switch (shader->type()) { | 128 switch (shader->type()) { |
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204 } | 197 } |
205 | 198 |
206 DEFINE_TRACE(WebGLProgram) | 199 DEFINE_TRACE(WebGLProgram) |
207 { | 200 { |
208 visitor->trace(m_vertexShader); | 201 visitor->trace(m_vertexShader); |
209 visitor->trace(m_fragmentShader); | 202 visitor->trace(m_fragmentShader); |
210 WebGLSharedPlatform3DObject::trace(visitor); | 203 WebGLSharedPlatform3DObject::trace(visitor); |
211 } | 204 } |
212 | 205 |
213 } // namespace blink | 206 } // namespace blink |
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