1 /*
   2  * Copyright (c) 2011, 2015, 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 com.sun.prism.sw;
  27 
  28 import com.sun.glass.ui.Pixels;
  29 import com.sun.javafx.geom.Rectangle;
  30 import com.sun.prism.Presentable;
  31 import com.sun.prism.PresentableState;
  32 import com.sun.prism.impl.QueuedPixelSource;
  33 import java.nio.IntBuffer;
  34 
  35 final class SWPresentable extends SWRTTexture implements Presentable {
  36 
  37     private final PresentableState pState;
  38     private Pixels pixels;
  39     private QueuedPixelSource pixelSource = new QueuedPixelSource(false);
  40 
  41     public SWPresentable(PresentableState pState, SWResourceFactory factory) {
  42         super(factory, pState.getRenderWidth(), pState.getRenderHeight());
  43         this.pState = pState;
  44     }
  45 
  46     @Override
  47     public boolean lockResources(PresentableState pState) {
  48         return (getPhysicalWidth() != pState.getRenderWidth() ||
  49                 getPhysicalHeight() != pState.getRenderHeight());
  50     }
  51 
  52     public boolean prepare(Rectangle dirtyregion) {
  53         if (!pState.isViewClosed()) {
  54             /*
  55              * RT-27374
  56              * TODO: make sure the imgrep matches the Pixels.getNativeFormat()
  57              * TODO: dirty region support
  58              */
  59             int w = getPhysicalWidth();
  60             int h = getPhysicalHeight();
  61             pixels = pixelSource.getUnusedPixels(w, h, 1.0f, 1.0f);
  62             IntBuffer pixBuf = (IntBuffer) pixels.getPixels();
  63             IntBuffer buf = getSurface().getDataIntBuffer();
  64             assert buf.hasArray();
  65             System.arraycopy(buf.array(), 0, pixBuf.array(), 0, w*h);
  66             return true;
  67         } else {
  68             return false;
  69         }
  70     }
  71 
  72     public boolean present() {
  73         pixelSource.enqueuePixels(pixels);
  74         pState.uploadPixels(pixelSource);
  75         return true;
  76     }
  77 
  78     @Override
  79     public float getPixelScaleFactorX() {
  80         return pState.getRenderScaleX();
  81     }
  82 
  83     @Override
  84     public float getPixelScaleFactorY() {
  85         return pState.getRenderScaleY();
  86     }
  87 
  88     public int getContentWidth() {
  89         return pState.getOutputWidth();
  90     }
  91 
  92     public int getContentHeight() {
  93         return pState.getOutputHeight();
  94     }
  95 
  96     @Override public boolean isMSAA() {
  97         return super.isMSAA();
  98     }
  99 }