author | jdv |
Fri, 21 Jun 2019 12:08:37 +0530 | |
branch | metal-prototype-branch |
changeset 57416 | e153174dba06 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.java2d.metal; |
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import sun.awt.AWTAccessor; |
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import sun.awt.AWTAccessor.ComponentAccessor; |
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import sun.awt.image.SunVolatileImage; |
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import sun.awt.image.VolatileSurfaceManager; |
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import sun.java2d.BackBufferCapsProvider; |
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import sun.java2d.SurfaceData; |
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import sun.java2d.opengl.OGLSurfaceData; |
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import sun.java2d.pipe.hw.ExtendedBufferCapabilities; |
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import java.awt.*; |
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import java.awt.image.ColorModel; |
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import java.awt.peer.ComponentPeer; |
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import static java.awt.BufferCapabilities.FlipContents.COPIED; |
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//import static sun.java2d.opengl.OGLContext.OGLContextCaps.CAPS_EXT_FBOBJECT; |
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import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.VSYNC_ON; |
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public class MTLVolatileSurfaceManager extends VolatileSurfaceManager { |
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private final boolean accelerationEnabled; |
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public MTLVolatileSurfaceManager(SunVolatileImage vImg, Object context) { |
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super(vImg, context); |
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/* |
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* We will attempt to accelerate this image only under the |
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* following conditions: |
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* - the image is not bitmask AND the GraphicsConfig supports the FBO |
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* extension |
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*/ |
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int transparency = vImg.getTransparency(); |
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MTLGraphicsConfig gc = (MTLGraphicsConfig) vImg.getGraphicsConfig(); |
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accelerationEnabled = true; |
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//gc.isCapPresent(CAPS_EXT_FBOBJECT) |
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//&& transparency != Transparency.BITMASK; |
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} |
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protected boolean isAccelerationEnabled() { |
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return accelerationEnabled; |
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} |
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/** |
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* Create a FBO-based SurfaceData object (or init the backbuffer |
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* of an existing window if this is a double buffered GraphicsConfig) |
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*/ |
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protected SurfaceData initAcceleratedSurface() { |
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SurfaceData sData = null; |
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Component comp = vImg.getComponent(); |
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final ComponentAccessor acc = AWTAccessor.getComponentAccessor(); |
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final ComponentPeer peer = (comp != null) ? acc.getPeer(comp) : null; |
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try { |
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boolean createVSynced = false; |
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boolean forceback = false; |
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if (context instanceof Boolean) { |
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forceback = ((Boolean)context).booleanValue(); |
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if (forceback && peer instanceof BackBufferCapsProvider) { |
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BackBufferCapsProvider provider = |
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(BackBufferCapsProvider)peer; |
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BufferCapabilities caps = provider.getBackBufferCaps(); |
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if (caps instanceof ExtendedBufferCapabilities) { |
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ExtendedBufferCapabilities ebc = |
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(ExtendedBufferCapabilities)caps; |
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if (ebc.getVSync() == VSYNC_ON && |
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ebc.getFlipContents() == COPIED) |
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{ |
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createVSynced = true; |
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forceback = false; |
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} |
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} |
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} |
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} |
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if (forceback) { |
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// peer must be non-null in this case |
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// TODO: modify parameter to delegate |
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// sData = MTLSurfaceData.createData(peer, vImg, FLIP_BACKBUFFER); |
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} else { |
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MTLGraphicsConfig gc = |
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(MTLGraphicsConfig)vImg.getGraphicsConfig(); |
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ColorModel cm = gc.getColorModel(vImg.getTransparency()); |
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int type = vImg.getForcedAccelSurfaceType(); |
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// if acceleration type is forced (type != UNDEFINED) then |
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// use the forced type, otherwise choose RT_TEXTURE |
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if (type == OGLSurfaceData.UNDEFINED) { |
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type = OGLSurfaceData.FBOBJECT; |
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} |
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if (createVSynced) { |
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// TODO: modify parameter to delegate |
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// sData = MTLSurfaceData.createData(peer, vImg, type); |
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} else { |
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sData = MTLSurfaceData.createData(gc, |
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vImg.getWidth(), |
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vImg.getHeight(), |
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cm, vImg, type); |
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} |
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} |
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} catch (NullPointerException ex) { |
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sData = null; |
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} catch (OutOfMemoryError er) { |
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sData = null; |
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} |
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return sData; |
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} |
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@Override |
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protected boolean isConfigValid(GraphicsConfiguration gc) { |
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return ((gc == null) || (gc == vImg.getGraphicsConfig())); |
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} |
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@Override |
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public void initContents() { |
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if (vImg.getForcedAccelSurfaceType() != OGLSurfaceData.TEXTURE) { |
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super.initContents(); |
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} |
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} |
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} |
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