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