1 /*
2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.java2d.metal;
27
28 import sun.awt.AWTAccessor;
29 import sun.awt.AWTAccessor.ComponentAccessor;
30 import sun.awt.image.SunVolatileImage;
31 import sun.awt.image.VolatileSurfaceManager;
32 import sun.java2d.BackBufferCapsProvider;
33 import sun.java2d.SurfaceData;
34 import sun.java2d.opengl.OGLSurfaceData;
35 import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
36
37 import java.awt.*;
38 import java.awt.image.ColorModel;
39 import java.awt.peer.ComponentPeer;
40
41 import static java.awt.BufferCapabilities.FlipContents.COPIED;
42 //import static sun.java2d.opengl.OGLContext.OGLContextCaps.CAPS_EXT_FBOBJECT;
43 import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.VSYNC_ON;
44
45 public class MTLVolatileSurfaceManager extends VolatileSurfaceManager {
46
47 private final boolean accelerationEnabled;
48
49 public MTLVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
50 super(vImg, context);
51
52 /*
53 * We will attempt to accelerate this image only under the
54 * following conditions:
55 * - the image is not bitmask AND the GraphicsConfig supports the FBO
56 * extension
57 */
58 int transparency = vImg.getTransparency();
59 MTLGraphicsConfig gc = (MTLGraphicsConfig) vImg.getGraphicsConfig();
60 accelerationEnabled = true;
61 //gc.isCapPresent(CAPS_EXT_FBOBJECT)
62 //&& transparency != Transparency.BITMASK;
63 }
64
65 protected boolean isAccelerationEnabled() {
66 return accelerationEnabled;
67 }
68
69 /**
70 * Create a FBO-based SurfaceData object (or init the backbuffer
71 * of an existing window if this is a double buffered GraphicsConfig)
72 */
73 protected SurfaceData initAcceleratedSurface() {
74 SurfaceData sData = null;
75 Component comp = vImg.getComponent();
76 final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
77 final ComponentPeer peer = (comp != null) ? acc.getPeer(comp) : null;
78
79 try {
80 boolean createVSynced = false;
81 boolean forceback = false;
82 if (context instanceof Boolean) {
83 forceback = ((Boolean)context).booleanValue();
84 if (forceback && peer instanceof BackBufferCapsProvider) {
85 BackBufferCapsProvider provider =
86 (BackBufferCapsProvider)peer;
87 BufferCapabilities caps = provider.getBackBufferCaps();
88 if (caps instanceof ExtendedBufferCapabilities) {
89 ExtendedBufferCapabilities ebc =
90 (ExtendedBufferCapabilities)caps;
91 if (ebc.getVSync() == VSYNC_ON &&
92 ebc.getFlipContents() == COPIED)
93 {
94 createVSynced = true;
95 forceback = false;
96 }
97 }
98 }
99 }
100
101 if (forceback) {
102 // peer must be non-null in this case
103 // TODO: modify parameter to delegate
104 // sData = MTLSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
105 } else {
106 MTLGraphicsConfig gc =
107 (MTLGraphicsConfig)vImg.getGraphicsConfig();
108 ColorModel cm = gc.getColorModel(vImg.getTransparency());
109 int type = vImg.getForcedAccelSurfaceType();
110 // if acceleration type is forced (type != UNDEFINED) then
111 // use the forced type, otherwise choose RT_TEXTURE
112 if (type == OGLSurfaceData.UNDEFINED) {
113 type = OGLSurfaceData.FBOBJECT;
114 }
115 if (createVSynced) {
116 // TODO: modify parameter to delegate
117 // sData = MTLSurfaceData.createData(peer, vImg, type);
118 } else {
119 sData = MTLSurfaceData.createData(gc,
120 vImg.getWidth(),
121 vImg.getHeight(),
122 cm, vImg, type);
123 }
124 }
125 } catch (NullPointerException ex) {
126 sData = null;
127 } catch (OutOfMemoryError er) {
128 sData = null;
129 }
130
131 return sData;
132 }
133
134 @Override
135 protected boolean isConfigValid(GraphicsConfiguration gc) {
136 return ((gc == null) || (gc == vImg.getGraphicsConfig()));
137 }
138
139 @Override
140 public void initContents() {
141 if (vImg.getForcedAccelSurfaceType() != OGLSurfaceData.TEXTURE) {
142 super.initContents();
143 }
144 }
145 }
146