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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.java2d.pipe.hw;
import java.awt.Rectangle;
import sun.java2d.Surface;
/**
* Abstraction for a hardware accelerated surface.
*/
public interface AccelSurface extends BufferedContextProvider, Surface {
/**
* Undefined
*/
public static final int UNDEFINED = 0;
/**
* Window (or window substitute) surface
*/
public static final int WINDOW = 1;
/**
* Render-To Plain surface (pbuffer for OpenGL, Render Target surface
* for Direct3D)
*/
public static final int RT_PLAIN = 2;
/**
* Texture surface
*/
public static final int TEXTURE = 3;
/**
* A back-buffer surface (SwapChain surface for Direct3D, backbuffer for
* OpenGL)
*/
public static final int FLIP_BACKBUFFER = 4;
/**
* Render-To Texture surface (fbobject for OpenGL, texture with render-to
* attribute for Direct3D)
*/
public static final int RT_TEXTURE = 5;
/**
* Returns {@code int} representing surface's type as defined by constants
* in this interface.
*
* @return an integer representing this surface's type
* @see AccelSurface#UNDEFINED
* @see AccelSurface#WINDOW
* @see AccelSurface#RT_PLAIN
* @see AccelSurface#TEXTURE
* @see AccelSurface#FLIP_BACKBUFFER
* @see AccelSurface#RT_TEXTURE
*/
public int getType();
/**
* Returns a pointer to the native surface data associated with this
* surface.
* Note: this pointer is only valid on the rendering thread.
*
* @return pointer to the native surface's data
*/
public long getNativeOps();
/**
* Returns a pointer to the real native resource
* of the specified type associated with this AccelSurface.
* Note: this pointer is only valid on the rendering thread.
*
* @param resType the type of the requested resource
* @return a long containing a pointer to the native resource of the
* specified type or 0L if such resource doesn't exist for this surface
*/
public long getNativeResource(int resType);
/**
* Marks this surface dirty.
*/
public void markDirty();
/**
* Returns whether the pipeline considers this surface valid. A surface
* may become invalid if it is disposed of, or resized.
*
* @return true if valid, false otherwise
*/
public boolean isValid();
/**
* Returns whether this surface is lost. The return value is only valid
* on the render thread, meaning that even if this method returns
* {@code true} it could be lost in the next moment unless it is called
* on the rendering thread.
*
* @return true if the surface is known to be lost, false otherwise
*/
public boolean isSurfaceLost();
/**
* Returns the requested bounds of the destination surface. The real bounds
* of the native accelerated surface may differ. Use
* {@link #getNativeBounds} to get the bounds of the native surface.
*
* @return Rectangle representing java surface's bounds
*/
public Rectangle getBounds();
/**
* Returns real bounds of the native surface, which may differ from those
* returned by {@link #getBounds}.
*
* @return Rectangle representing native surface's bounds
*/
public Rectangle getNativeBounds();
}
|
