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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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