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1 /* | |
2 * Copyright (C) 2009 Apple Inc. All Rights Reserved. | |
3 * Copyright (C) 2009 Google Inc. All Rights Reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 */ | |
26 | |
27 #ifndef SKY_ENGINE_CORE_HTML_CANVAS_WEBGLGETINFO_H_ | |
28 #define SKY_ENGINE_CORE_HTML_CANVAS_WEBGLGETINFO_H_ | |
29 | |
30 #include "sky/engine/core/html/canvas/WebGLBuffer.h" | |
31 #include "sky/engine/core/html/canvas/WebGLFramebuffer.h" | |
32 #include "sky/engine/core/html/canvas/WebGLProgram.h" | |
33 #include "sky/engine/core/html/canvas/WebGLRenderbuffer.h" | |
34 #include "sky/engine/core/html/canvas/WebGLTexture.h" | |
35 #include "sky/engine/core/html/canvas/WebGLVertexArrayObjectOES.h" | |
36 #include "sky/engine/wtf/Float32Array.h" | |
37 #include "sky/engine/wtf/Int32Array.h" | |
38 #include "sky/engine/wtf/PassRefPtr.h" | |
39 #include "sky/engine/wtf/RefPtr.h" | |
40 #include "sky/engine/wtf/Uint32Array.h" | |
41 #include "sky/engine/wtf/Uint8Array.h" | |
42 #include "sky/engine/wtf/text/WTFString.h" | |
43 | |
44 namespace blink { | |
45 | |
46 // A tagged union representing the result of get queries like | |
47 // getParameter (encompassing getBooleanv, getIntegerv, getFloatv) and | |
48 // similar variants. For reference counted types, increments and | |
49 // decrements the reference count of the target object. | |
50 | |
51 class WebGLGetInfo final { | |
52 STACK_ALLOCATED(); | |
53 public: | |
54 enum Type { | |
55 kTypeBool, | |
56 kTypeBoolArray, | |
57 kTypeFloat, | |
58 kTypeInt, | |
59 kTypeNull, | |
60 kTypeString, | |
61 kTypeUnsignedInt, | |
62 kTypeWebGLBuffer, | |
63 kTypeWebGLFloatArray, | |
64 kTypeWebGLFramebuffer, | |
65 kTypeWebGLIntArray, | |
66 kTypeWebGLObjectArray, | |
67 kTypeWebGLProgram, | |
68 kTypeWebGLRenderbuffer, | |
69 kTypeWebGLTexture, | |
70 kTypeWebGLUnsignedByteArray, | |
71 kTypeWebGLUnsignedIntArray, | |
72 kTypeWebGLVertexArrayObjectOES, | |
73 }; | |
74 | |
75 explicit WebGLGetInfo(bool value); | |
76 WebGLGetInfo(const bool* value, int size); | |
77 explicit WebGLGetInfo(float value); | |
78 explicit WebGLGetInfo(int value); | |
79 // Represents the null value and type. | |
80 WebGLGetInfo(); | |
81 explicit WebGLGetInfo(const String& value); | |
82 explicit WebGLGetInfo(unsigned value); | |
83 explicit WebGLGetInfo(PassRefPtr<WebGLBuffer> value); | |
84 explicit WebGLGetInfo(PassRefPtr<Float32Array> value); | |
85 explicit WebGLGetInfo(PassRefPtr<WebGLFramebuffer> value); | |
86 explicit WebGLGetInfo(PassRefPtr<Int32Array> value); | |
87 // FIXME: implement WebGLObjectArray | |
88 // WebGLGetInfo(PassRefPtr<WebGLObjectArray> value); | |
89 explicit WebGLGetInfo(PassRefPtr<WebGLProgram> value); | |
90 explicit WebGLGetInfo(PassRefPtr<WebGLRenderbuffer> value); | |
91 explicit WebGLGetInfo(PassRefPtr<WebGLTexture> value); | |
92 explicit WebGLGetInfo(PassRefPtr<Uint8Array> value); | |
93 explicit WebGLGetInfo(PassRefPtr<Uint32Array> value); | |
94 explicit WebGLGetInfo(PassRefPtr<WebGLVertexArrayObjectOES> value); | |
95 | |
96 Type getType() const; | |
97 | |
98 bool getBool() const; | |
99 const Vector<bool>& getBoolArray() const; | |
100 float getFloat() const; | |
101 int getInt() const; | |
102 const String& getString() const; | |
103 unsigned getUnsignedInt() const; | |
104 PassRefPtr<WebGLBuffer> getWebGLBuffer() const; | |
105 PassRefPtr<Float32Array> getWebGLFloatArray() const; | |
106 PassRefPtr<WebGLFramebuffer> getWebGLFramebuffer() const; | |
107 PassRefPtr<Int32Array> getWebGLIntArray() const; | |
108 // FIXME: implement WebGLObjectArray | |
109 // PassRefPtr<WebGLObjectArray> getWebGLObjectArray() const; | |
110 PassRefPtr<WebGLProgram> getWebGLProgram() const; | |
111 PassRefPtr<WebGLRenderbuffer> getWebGLRenderbuffer() const; | |
112 PassRefPtr<WebGLTexture> getWebGLTexture() const; | |
113 PassRefPtr<Uint8Array> getWebGLUnsignedByteArray() const; | |
114 PassRefPtr<Uint32Array> getWebGLUnsignedIntArray() const; | |
115 PassRefPtr<WebGLVertexArrayObjectOES> getWebGLVertexArrayObjectOES() const; | |
116 | |
117 private: | |
118 Type m_type; | |
119 bool m_bool; | |
120 Vector<bool> m_boolArray; | |
121 float m_float; | |
122 int m_int; | |
123 String m_string; | |
124 unsigned m_unsignedInt; | |
125 RefPtr<WebGLBuffer> m_webglBuffer; | |
126 RefPtr<Float32Array> m_webglFloatArray; | |
127 RefPtr<WebGLFramebuffer> m_webglFramebuffer; | |
128 RefPtr<Int32Array> m_webglIntArray; | |
129 // FIXME: implement WebGLObjectArray | |
130 // RefPtr<WebGLObjectArray> m_webglObjectArray; | |
131 RefPtr<WebGLProgram> m_webglProgram; | |
132 RefPtr<WebGLRenderbuffer> m_webglRenderbuffer; | |
133 RefPtr<WebGLTexture> m_webglTexture; | |
134 RefPtr<Uint8Array> m_webglUnsignedByteArray; | |
135 RefPtr<Uint32Array> m_webglUnsignedIntArray; | |
136 RefPtr<WebGLVertexArrayObjectOES> m_webglVertexArrayObject; | |
137 }; | |
138 | |
139 } // namespace blink | |
140 | |
141 #endif // SKY_ENGINE_CORE_HTML_CANVAS_WEBGLGETINFO_H_ | |
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