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src/java.desktop/windows/classes/sun/java2d/opengl/WGLVolatileSurfaceManager.java

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  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.opengl;
  27 
  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 
  35 import sun.awt.AWTAccessor;
  36 import sun.awt.AWTAccessor.ComponentAccessor;
  37 import sun.awt.image.SunVolatileImage;
  38 import sun.awt.image.VolatileSurfaceManager;
  39 import sun.awt.windows.WComponentPeer;
  40 import sun.java2d.SurfaceData;
  41 import static sun.java2d.opengl.OGLContext.OGLContextCaps.*;
  42 import static sun.java2d.pipe.hw.AccelSurface.*;
  43 import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
  44 import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.*;
  45 
  46 public class WGLVolatileSurfaceManager
  47     extends VolatileSurfaceManager
  48 {
  49     private boolean accelerationEnabled;
  50 
  51     public WGLVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
  52         super(vImg, context);
  53 
  54         /*
  55          * We will attempt to accelerate this image only under the
  56          * following conditions:
  57          *   - the image is opaque OR
  58          *   - the image is translucent AND
  59          *       - the GraphicsConfig supports the FBO extension OR
  60          *       - the GraphicsConfig has a stored alpha channel
  61          */
  62         int transparency = vImg.getTransparency();
  63         WGLGraphicsConfig gc = (WGLGraphicsConfig)vImg.getGraphicsConfig();
  64         accelerationEnabled =
  65             (transparency == Transparency.OPAQUE) ||
  66             ((transparency == Transparency.TRANSLUCENT) &&
  67              (gc.isCapPresent(CAPS_EXT_FBOBJECT) ||
  68               gc.isCapPresent(CAPS_STORED_ALPHA)));
  69     }
  70 
  71     protected boolean isAccelerationEnabled() {
  72         return accelerationEnabled;
  73     }
  74 
  75     /**
  76      * Create a pbuffer-based SurfaceData object (or init the backbuffer
  77      * of an existing window if this is a double buffered GraphicsConfig).
  78      */
  79     protected SurfaceData initAcceleratedSurface() {
  80         SurfaceData sData;
  81         Component comp = vImg.getComponent();
  82         final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
  83         WComponentPeer peer = (comp != null) ? acc.getPeer(comp) : null;
  84 
  85         try {
  86             boolean createVSynced = false;
  87             boolean forceback = false;
  88             if (context instanceof Boolean) {


  94                             (ExtendedBufferCapabilities)caps;
  95                         if (ebc.getVSync() == VSYNC_ON &&
  96                             ebc.getFlipContents() == COPIED)
  97                         {
  98                             createVSynced = true;
  99                             forceback = false;
 100                         }
 101                     }
 102                 }
 103             }
 104 
 105             if (forceback) {
 106                 // peer must be non-null in this case
 107                 sData = WGLSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
 108             } else {
 109                 WGLGraphicsConfig gc =
 110                     (WGLGraphicsConfig)vImg.getGraphicsConfig();
 111                 ColorModel cm = gc.getColorModel(vImg.getTransparency());
 112                 int type = vImg.getForcedAccelSurfaceType();
 113                 // if acceleration type is forced (type != UNDEFINED) then
 114                 // use the forced type, otherwise choose one based on caps
 115                 if (type == OGLSurfaceData.UNDEFINED) {
 116                     type = gc.isCapPresent(CAPS_EXT_FBOBJECT) ?
 117                         OGLSurfaceData.FBOBJECT : OGLSurfaceData.PBUFFER;
 118                 }
 119                 if (createVSynced) {
 120                     sData = WGLSurfaceData.createData(peer, vImg, type);
 121                 } else {
 122                     sData = WGLSurfaceData.createData(gc,
 123                                                       vImg.getWidth(),
 124                                                       vImg.getHeight(),
 125                                                       cm, vImg, type);
 126                 }
 127             }
 128         } catch (NullPointerException ex) {
 129             sData = null;
 130         } catch (OutOfMemoryError er) {
 131             sData = null;
 132         }
 133 
 134         return sData;
 135     }
 136 
 137     @Override


  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.opengl;
  27 
  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.image.ColorModel;
  33 
  34 import sun.awt.AWTAccessor;
  35 import sun.awt.AWTAccessor.ComponentAccessor;
  36 import sun.awt.image.SunVolatileImage;
  37 import sun.awt.image.VolatileSurfaceManager;
  38 import sun.awt.windows.WComponentPeer;
  39 import sun.java2d.SurfaceData;
  40 import static sun.java2d.opengl.OGLContext.OGLContextCaps.*;
  41 import static sun.java2d.pipe.hw.AccelSurface.*;
  42 import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
  43 import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.*;
  44 
  45 public class WGLVolatileSurfaceManager extends VolatileSurfaceManager {
  46 
  47     private final boolean accelerationEnabled;

  48 
  49     public WGLVolatileSurfaceManager(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 GraphicsConfig supports the FBO extension



  56          */

  57         WGLGraphicsConfig gc = (WGLGraphicsConfig)vImg.getGraphicsConfig();
  58         accelerationEnabled = gc.isCapPresent(CAPS_EXT_FBOBJECT);




  59     }
  60 
  61     protected boolean isAccelerationEnabled() {
  62         return accelerationEnabled;
  63     }
  64 
  65     /**
  66      * Create a pbuffer-based SurfaceData object (or init the backbuffer
  67      * of an existing window if this is a double buffered GraphicsConfig).
  68      */
  69     protected SurfaceData initAcceleratedSurface() {
  70         SurfaceData sData;
  71         Component comp = vImg.getComponent();
  72         final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
  73         WComponentPeer peer = (comp != null) ? acc.getPeer(comp) : null;
  74 
  75         try {
  76             boolean createVSynced = false;
  77             boolean forceback = false;
  78             if (context instanceof Boolean) {


  84                             (ExtendedBufferCapabilities)caps;
  85                         if (ebc.getVSync() == VSYNC_ON &&
  86                             ebc.getFlipContents() == COPIED)
  87                         {
  88                             createVSynced = true;
  89                             forceback = false;
  90                         }
  91                     }
  92                 }
  93             }
  94 
  95             if (forceback) {
  96                 // peer must be non-null in this case
  97                 sData = WGLSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER);
  98             } else {
  99                 WGLGraphicsConfig gc =
 100                     (WGLGraphicsConfig)vImg.getGraphicsConfig();
 101                 ColorModel cm = gc.getColorModel(vImg.getTransparency());
 102                 int type = vImg.getForcedAccelSurfaceType();
 103                 // if acceleration type is forced (type != UNDEFINED) then
 104                 // use the forced type, otherwise choose FBOBJECT
 105                 if (type == OGLSurfaceData.UNDEFINED) {
 106                     type = OGLSurfaceData.FBOBJECT;

 107                 }
 108                 if (createVSynced) {
 109                     sData = WGLSurfaceData.createData(peer, vImg, type);
 110                 } else {
 111                     sData = WGLSurfaceData.createData(gc,
 112                                                       vImg.getWidth(),
 113                                                       vImg.getHeight(),
 114                                                       cm, vImg, type);
 115                 }
 116             }
 117         } catch (NullPointerException ex) {
 118             sData = null;
 119         } catch (OutOfMemoryError er) {
 120             sData = null;
 121         }
 122 
 123         return sData;
 124     }
 125 
 126     @Override
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