| /* |
| * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.java2d.d3d; |
| |
| import java.awt.LinearGradientPaint; |
| import java.awt.MultipleGradientPaint; |
| import java.awt.MultipleGradientPaint.ColorSpaceType; |
| import java.awt.MultipleGradientPaint.CycleMethod; |
| import java.awt.TexturePaint; |
| import java.awt.image.BufferedImage; |
| import java.util.HashMap; |
| import java.util.Map; |
| import sun.java2d.SunGraphics2D; |
| import sun.java2d.SurfaceData; |
| import sun.java2d.loops.CompositeType; |
| import static sun.java2d.d3d.D3DContext.D3DContextCaps.*; |
| |
| abstract class D3DPaints { |
| |
| /** |
| * Holds all registered implementations, using the corresponding |
| * SunGraphics2D.PAINT_* constant as the hash key. |
| */ |
| private static Map<Integer, D3DPaints> impls = |
| new HashMap<Integer, D3DPaints>(4, 1.0f); |
| |
| static { |
| impls.put(SunGraphics2D.PAINT_GRADIENT, new Gradient()); |
| impls.put(SunGraphics2D.PAINT_LIN_GRADIENT, new LinearGradient()); |
| impls.put(SunGraphics2D.PAINT_RAD_GRADIENT, new RadialGradient()); |
| impls.put(SunGraphics2D.PAINT_TEXTURE, new Texture()); |
| } |
| |
| /** |
| * Attempts to locate an implementation corresponding to the paint state |
| * of the provided SunGraphics2D object. If no implementation can be |
| * found, or if the paint cannot be accelerated under the conditions |
| * of the SunGraphics2D, this method returns false; otherwise, returns |
| * true. |
| */ |
| static boolean isValid(SunGraphics2D sg2d) { |
| D3DPaints impl = impls.get(sg2d.paintState); |
| return (impl != null && impl.isPaintValid(sg2d)); |
| } |
| |
| /** |
| * Returns true if this implementation is able to accelerate the |
| * Paint object associated with, and under the conditions of, the |
| * provided SunGraphics2D instance; otherwise returns false. |
| */ |
| abstract boolean isPaintValid(SunGraphics2D sg2d); |
| |
| /************************* GradientPaint support ****************************/ |
| |
| private static class Gradient extends D3DPaints { |
| private Gradient() {} |
| |
| /** |
| * Returns true if the given GradientPaint instance can be |
| * used by the accelerated D3DPaints.Gradient implementation. |
| * A GradientPaint is considered valid only if the destination |
| * has support for fragment shaders. |
| */ |
| @Override |
| boolean isPaintValid(SunGraphics2D sg2d) { |
| D3DSurfaceData dstData = (D3DSurfaceData)sg2d.surfaceData; |
| D3DGraphicsDevice gd = (D3DGraphicsDevice) |
| dstData.getDeviceConfiguration().getDevice(); |
| return gd.isCapPresent(CAPS_LCD_SHADER); |
| } |
| } |
| |
| /************************** TexturePaint support ****************************/ |
| |
| private static class Texture extends D3DPaints { |
| private Texture() {} |
| |
| /** |
| * Returns true if the given TexturePaint instance can be used by the |
| * accelerated BufferedPaints.Texture implementation. |
| * |
| * A TexturePaint is considered valid if the following conditions |
| * are met: |
| * - the texture image dimensions are power-of-two |
| * - the texture image can be (or is already) cached in a D3D |
| * texture object |
| */ |
| @Override |
| public boolean isPaintValid(SunGraphics2D sg2d) { |
| TexturePaint paint = (TexturePaint)sg2d.paint; |
| D3DSurfaceData dstData = (D3DSurfaceData)sg2d.surfaceData; |
| BufferedImage bi = paint.getImage(); |
| |
| // verify that the texture image dimensions are pow2 |
| D3DGraphicsDevice gd = |
| (D3DGraphicsDevice)dstData.getDeviceConfiguration().getDevice(); |
| int imgw = bi.getWidth(); |
| int imgh = bi.getHeight(); |
| if (!gd.isCapPresent(CAPS_TEXNONPOW2)) { |
| if ((imgw & (imgw - 1)) != 0 || (imgh & (imgh - 1)) != 0) { |
| return false; |
| } |
| } |
| // verify that the texture image is square if it has to be |
| if (!gd.isCapPresent(CAPS_TEXNONSQUARE) && imgw != imgh) |
| { |
| return false; |
| } |
| |
| SurfaceData srcData = |
| dstData.getSourceSurfaceData(bi, sg2d.TRANSFORM_ISIDENT, |
| CompositeType.SrcOver, null); |
| if (!(srcData instanceof D3DSurfaceData)) { |
| // REMIND: this is a hack that attempts to cache the system |
| // memory image from the TexturePaint instance into a |
| // D3D texture... |
| srcData = |
| dstData.getSourceSurfaceData(bi, sg2d.TRANSFORM_ISIDENT, |
| CompositeType.SrcOver, null); |
| if (!(srcData instanceof D3DSurfaceData)) { |
| return false; |
| } |
| } |
| |
| // verify that the source surface is actually a texture |
| D3DSurfaceData d3dData = (D3DSurfaceData)srcData; |
| if (d3dData.getType() != D3DSurfaceData.TEXTURE) { |
| return false; |
| } |
| |
| return true; |
| } |
| } |
| |
| /****************** Shared MultipleGradientPaint support ********************/ |
| |
| private static abstract class MultiGradient extends D3DPaints { |
| |
| /** |
| * Note that this number is lower than the MULTI_MAX_FRACTIONS |
| * defined in the superclass. The D3D pipeline now uses a |
| * slightly more complicated shader (to avoid the gradient banding |
| * issues), which has a higher instruction count. To ensure that |
| * all versions of the shader can be compiled for PS 2.0 hardware, |
| * we need to cap this maximum value at 8. |
| */ |
| public static final int MULTI_MAX_FRACTIONS_D3D = 8; |
| |
| protected MultiGradient() {} |
| |
| /** |
| * Returns true if the given MultipleGradientPaint instance can be |
| * used by the accelerated D3DPaints.MultiGradient implementation. |
| * A MultipleGradientPaint is considered valid if the following |
| * conditions are met: |
| * - the number of gradient "stops" is <= MAX_FRACTIONS |
| * - the destination has support for fragment shaders |
| */ |
| @Override |
| boolean isPaintValid(SunGraphics2D sg2d) { |
| MultipleGradientPaint paint = (MultipleGradientPaint)sg2d.paint; |
| // REMIND: ugh, this creates garbage; would be nicer if |
| // we had a MultipleGradientPaint.getNumStops() method... |
| if (paint.getFractions().length > MULTI_MAX_FRACTIONS_D3D) { |
| return false; |
| } |
| |
| D3DSurfaceData dstData = (D3DSurfaceData)sg2d.surfaceData; |
| D3DGraphicsDevice gd = (D3DGraphicsDevice) |
| dstData.getDeviceConfiguration().getDevice(); |
| if (!gd.isCapPresent(CAPS_LCD_SHADER)) { |
| return false; |
| } |
| return true; |
| } |
| } |
| |
| /********************** LinearGradientPaint support *************************/ |
| |
| private static class LinearGradient extends MultiGradient { |
| private LinearGradient() {} |
| |
| @Override |
| boolean isPaintValid(SunGraphics2D sg2d) { |
| LinearGradientPaint paint = (LinearGradientPaint)sg2d.paint; |
| |
| if (paint.getFractions().length == 2 && |
| paint.getCycleMethod() != CycleMethod.REPEAT && |
| paint.getColorSpace() != ColorSpaceType.LINEAR_RGB) |
| { |
| D3DSurfaceData dstData = (D3DSurfaceData)sg2d.surfaceData; |
| D3DGraphicsDevice gd = (D3DGraphicsDevice) |
| dstData.getDeviceConfiguration().getDevice(); |
| if (gd.isCapPresent(CAPS_LCD_SHADER)) { |
| // we can delegate to the optimized two-color gradient |
| // codepath, which should be faster |
| return true; |
| } |
| } |
| |
| return super.isPaintValid(sg2d); |
| } |
| } |
| |
| /********************** RadialGradientPaint support *************************/ |
| |
| private static class RadialGradient extends MultiGradient { |
| private RadialGradient() {} |
| } |
| } |
