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/*
* Copyright (C) 2009 Apple Inc. All Rights Reserved.
* Copyright (C) 2009 Google Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebGLGetInfo_h
#define WebGLGetInfo_h
#include "WebGLBuffer.h"
#include "WebGLFramebuffer.h"
#include "WebGLProgram.h"
#include "WebGLRenderbuffer.h"
#include "WebGLTexture.h"
#include "WebGLVertexArrayObjectOES.h"
#include <wtf/Float32Array.h>
#include <wtf/Int32Array.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Uint32Array.h>
#include <wtf/Uint8Array.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
// A tagged union representing the result of get queries like
// getParameter (encompassing getBooleanv, getIntegerv, getFloatv) and
// similar variants. For reference counted types, increments and
// decrements the reference count of the target object.
class WebGLGetInfo {
public:
enum Type {
kTypeBool,
kTypeBoolArray,
kTypeFloat,
kTypeInt,
kTypeNull,
kTypeString,
kTypeUnsignedInt,
kTypeWebGLBuffer,
kTypeWebGLFloatArray,
kTypeWebGLFramebuffer,
kTypeWebGLIntArray,
kTypeWebGLObjectArray,
kTypeWebGLProgram,
kTypeWebGLRenderbuffer,
kTypeWebGLTexture,
kTypeWebGLUnsignedByteArray,
kTypeWebGLUnsignedIntArray,
kTypeWebGLVertexArrayObjectOES,
};
explicit WebGLGetInfo(bool value);
WebGLGetInfo(const bool* value, int size);
explicit WebGLGetInfo(float value);
explicit WebGLGetInfo(int value);
// Represents the null value and type.
WebGLGetInfo();
explicit WebGLGetInfo(const String& value);
explicit WebGLGetInfo(unsigned int value);
explicit WebGLGetInfo(PassRefPtr<WebGLBuffer> value);
explicit WebGLGetInfo(PassRefPtr<Float32Array> value);
explicit WebGLGetInfo(PassRefPtr<WebGLFramebuffer> value);
explicit WebGLGetInfo(PassRefPtr<Int32Array> value);
// FIXME: implement WebGLObjectArray
// WebGLGetInfo(PassRefPtr<WebGLObjectArray> value);
explicit WebGLGetInfo(PassRefPtr<WebGLProgram> value);
explicit WebGLGetInfo(PassRefPtr<WebGLRenderbuffer> value);
explicit WebGLGetInfo(PassRefPtr<WebGLTexture> value);
explicit WebGLGetInfo(PassRefPtr<Uint8Array> value);
explicit WebGLGetInfo(PassRefPtr<Uint32Array> value);
explicit WebGLGetInfo(PassRefPtr<WebGLVertexArrayObjectOES> value);
virtual ~WebGLGetInfo();
Type getType() const;
bool getBool() const;
const Vector<bool>& getBoolArray() const;
float getFloat() const;
int getInt() const;
const String& getString() const;
unsigned int getUnsignedInt() const;
PassRefPtr<WebGLBuffer> getWebGLBuffer() const;
PassRefPtr<Float32Array> getWebGLFloatArray() const;
PassRefPtr<WebGLFramebuffer> getWebGLFramebuffer() const;
PassRefPtr<Int32Array> getWebGLIntArray() const;
// FIXME: implement WebGLObjectArray
// PassRefPtr<WebGLObjectArray> getWebGLObjectArray() const;
PassRefPtr<WebGLProgram> getWebGLProgram() const;
PassRefPtr<WebGLRenderbuffer> getWebGLRenderbuffer() const;
PassRefPtr<WebGLTexture> getWebGLTexture() const;
PassRefPtr<Uint8Array> getWebGLUnsignedByteArray() const;
PassRefPtr<Uint32Array> getWebGLUnsignedIntArray() const;
PassRefPtr<WebGLVertexArrayObjectOES> getWebGLVertexArrayObjectOES() const;
private:
Type m_type;
bool m_bool;
Vector<bool> m_boolArray;
float m_float;
int m_int;
String m_string;
unsigned int m_unsignedInt;
RefPtr<WebGLBuffer> m_webglBuffer;
RefPtr<Float32Array> m_webglFloatArray;
RefPtr<WebGLFramebuffer> m_webglFramebuffer;
RefPtr<Int32Array> m_webglIntArray;
// FIXME: implement WebGLObjectArray
// RefPtr<WebGLObjectArray> m_webglObjectArray;
RefPtr<WebGLProgram> m_webglProgram;
RefPtr<WebGLRenderbuffer> m_webglRenderbuffer;
RefPtr<WebGLTexture> m_webglTexture;
RefPtr<Uint8Array> m_webglUnsignedByteArray;
RefPtr<Uint32Array> m_webglUnsignedIntArray;
RefPtr<WebGLVertexArrayObjectOES> m_webglVertexArrayObject;
};
} // namespace WebCore
#endif // WebGLGetInfo_h
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