1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* Copyright (C) 2009 Apple 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 COMPUTER, 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 COMPUTER, 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 WebGLBuffer_h
#define WebGLBuffer_h
#include "CanvasObject.h"
#include "WebGLArrayBuffer.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class WebGLBuffer : public CanvasObject {
public:
virtual ~WebGLBuffer() { deleteObject(); }
static PassRefPtr<WebGLBuffer> create(WebGLRenderingContext*);
// For querying previously created objects via e.g. getFramebufferAttachmentParameter
// FIXME: should consider canonicalizing these objects
static PassRefPtr<WebGLBuffer> create(WebGLRenderingContext*, Platform3DObject);
bool associateBufferData(unsigned long target, int size);
bool associateBufferData(unsigned long target, WebGLArray* array);
bool associateBufferSubData(unsigned long target, long offset, WebGLArray* array);
unsigned byteLength(unsigned long target) const;
const WebGLArrayBuffer* elementArrayBuffer() const { return m_elementArrayBuffer.get(); }
protected:
WebGLBuffer(WebGLRenderingContext*);
WebGLBuffer(WebGLRenderingContext*, Platform3DObject obj);
virtual void _deleteObject(Platform3DObject o);
private:
RefPtr<WebGLArrayBuffer> m_elementArrayBuffer;
unsigned m_elementArrayBufferByteLength;
unsigned m_arrayBufferByteLength;
bool m_elementArrayBufferCloned;
};
} // namespace WebCore
#endif // WebGLBuffer_h
|
