28 import java.awt.BufferCapabilities;
29 import static java.awt.BufferCapabilities.FlipContents.*;
30 import java.awt.Component;
31 import java.awt.GraphicsConfiguration;
32 import java.awt.Transparency;
33 import java.awt.image.ColorModel;
34 import java.awt.peer.ComponentPeer;
35
36 import sun.awt.AWTAccessor;
37 import sun.awt.AWTAccessor.ComponentAccessor;
38 import sun.awt.image.SunVolatileImage;
39 import sun.awt.image.VolatileSurfaceManager;
40 import sun.java2d.BackBufferCapsProvider;
41 import sun.java2d.SurfaceData;
42 import static sun.java2d.opengl.OGLContext.OGLContextCaps.*;
43 import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
44 import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.*;
45
46 public class CGLVolatileSurfaceManager extends VolatileSurfaceManager {
47
48 private boolean accelerationEnabled;
49
50 public CGLVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
51 super(vImg, context);
52
53 /*
54 * We will attempt to accelerate this image only under the
55 * following conditions:
56 * - the image is opaque OR
57 * - the image is translucent AND
58 * - the GraphicsConfig supports the FBO extension OR
59 * - the GraphicsConfig has a stored alpha channel
60 */
61 int transparency = vImg.getTransparency();
62 CGLGraphicsConfig gc = (CGLGraphicsConfig)vImg.getGraphicsConfig();
63 accelerationEnabled =
64 (transparency == Transparency.OPAQUE) ||
65 ((transparency == Transparency.TRANSLUCENT) &&
66 (gc.isCapPresent(CAPS_EXT_FBOBJECT) ||
67 gc.isCapPresent(CAPS_STORED_ALPHA)));
68 }
69
70 protected boolean isAccelerationEnabled() {
71 return accelerationEnabled;
72 }
73
74 /**
75 * Create a pbuffer-based SurfaceData object (or init the backbuffer
76 * of an existing window if this is a double buffered GraphicsConfig)
77 */
78 protected SurfaceData initAcceleratedSurface() {
79 SurfaceData sData = null;
80 Component comp = vImg.getComponent();
81 final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
82 final ComponentPeer peer = (comp != null) ? acc.getPeer(comp) : null;
83
84 try {
85 boolean createVSynced = false;
86 boolean forceback = false;
87 if (context instanceof Boolean) {
88 forceback = ((Boolean)context).booleanValue();
89 if (forceback && peer instanceof BackBufferCapsProvider) {
90 BackBufferCapsProvider provider =
91 (BackBufferCapsProvider)peer;
92 BufferCapabilities caps = provider.getBackBufferCaps();
93 if (caps instanceof ExtendedBufferCapabilities) {
94 ExtendedBufferCapabilities ebc =
95 (ExtendedBufferCapabilities)caps;
96 if (ebc.getVSync() == VSYNC_ON &&
97 ebc.getFlipContents() == COPIED)
98 {
99 createVSynced = true;
100 forceback = false;
101 }
102 }
103 }
104 }
105
106 if (forceback) {
107 // peer must be non-null in this case
108 // TODO: modify parameter to delegate
109 // sData = CGLSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
110 } else {
111 CGLGraphicsConfig gc =
112 (CGLGraphicsConfig)vImg.getGraphicsConfig();
113 ColorModel cm = gc.getColorModel(vImg.getTransparency());
114 int type = vImg.getForcedAccelSurfaceType();
115 // if acceleration type is forced (type != UNDEFINED) then
116 // use the forced type, otherwise choose one based on caps
117 if (type == OGLSurfaceData.UNDEFINED) {
118 type = gc.isCapPresent(CAPS_EXT_FBOBJECT) ?
119 OGLSurfaceData.FBOBJECT : OGLSurfaceData.PBUFFER;
120 }
121 if (createVSynced) {
122 // TODO: modify parameter to delegate
123 // sData = CGLSurfaceData.createData(peer, vImg, type);
124 } else {
125 sData = CGLSurfaceData.createData(gc,
126 vImg.getWidth(),
127 vImg.getHeight(),
128 cm, vImg, type);
129 }
130 }
131 } catch (NullPointerException ex) {
132 sData = null;
133 } catch (OutOfMemoryError er) {
134 sData = null;
135 }
136
137 return sData;
138 }
139
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28 import java.awt.BufferCapabilities;
29 import static java.awt.BufferCapabilities.FlipContents.*;
30 import java.awt.Component;
31 import java.awt.GraphicsConfiguration;
32 import java.awt.Transparency;
33 import java.awt.image.ColorModel;
34 import java.awt.peer.ComponentPeer;
35
36 import sun.awt.AWTAccessor;
37 import sun.awt.AWTAccessor.ComponentAccessor;
38 import sun.awt.image.SunVolatileImage;
39 import sun.awt.image.VolatileSurfaceManager;
40 import sun.java2d.BackBufferCapsProvider;
41 import sun.java2d.SurfaceData;
42 import static sun.java2d.opengl.OGLContext.OGLContextCaps.*;
43 import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
44 import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.*;
45
46 public class CGLVolatileSurfaceManager extends VolatileSurfaceManager {
47
48 private final boolean accelerationEnabled;
49
50 public CGLVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
51 super(vImg, context);
52
53 /*
54 * We will attempt to accelerate this image only under the
55 * following conditions:
56 * - the image is not bitmask AND the GraphicsConfig supports the FBO
57 * extension
58 */
59 int transparency = vImg.getTransparency();
60 CGLGraphicsConfig gc = (CGLGraphicsConfig) vImg.getGraphicsConfig();
61 accelerationEnabled = 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 = CGLSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
105 } else {
106 CGLGraphicsConfig gc =
107 (CGLGraphicsConfig)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 FBOBJECT
112 if (type == OGLSurfaceData.UNDEFINED) {
113 type = OGLSurfaceData.FBOBJECT;
114 }
115 if (createVSynced) {
116 // TODO: modify parameter to delegate
117 // sData = CGLSurfaceData.createData(peer, vImg, type);
118 } else {
119 sData = CGLSurfaceData.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
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