147 lines
5.4 KiB
Java
147 lines
5.4 KiB
Java
/*
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* Copyright (c) 2002, 2008, 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.windows;
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import java.awt.Composite;
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import sun.java2d.loops.GraphicsPrimitive;
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import sun.java2d.loops.GraphicsPrimitiveMgr;
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import sun.java2d.loops.CompositeType;
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import sun.java2d.loops.SurfaceType;
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import sun.java2d.loops.Blit;
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import sun.java2d.pipe.Region;
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import sun.java2d.SurfaceData;
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/**
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* GDIBlitLoops
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*
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* This class accelerates Blits between certain surfaces and the
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* screen, using GDI. The reason for these loops is to find
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* a way of copying to the screen without using DDraw locking
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* that is faster than our current fallback (which creates
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* a temporary GDI DIB)
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*/
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public class GDIBlitLoops extends Blit {
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// Store these values to be passed to native code
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int rmask, gmask, bmask;
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// Needs lookup table (for indexed color image copies)
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boolean indexed = false;
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/**
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* Note that we do not register loops to 8-byte destinations. This
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* is due to faster processing of dithering through our software
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* loops than through GDI StretchBlt processing.
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*/
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public static void register()
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{
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GraphicsPrimitive[] primitives = {
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new GDIBlitLoops(SurfaceType.IntRgb,
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GDIWindowSurfaceData.AnyGdi),
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new GDIBlitLoops(SurfaceType.Ushort555Rgb,
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GDIWindowSurfaceData.AnyGdi,
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0x7C00, 0x03E0, 0x001F),
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new GDIBlitLoops(SurfaceType.Ushort565Rgb,
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GDIWindowSurfaceData.AnyGdi,
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0xF800, 0x07E0, 0x001F),
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new GDIBlitLoops(SurfaceType.ThreeByteBgr,
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GDIWindowSurfaceData.AnyGdi),
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new GDIBlitLoops(SurfaceType.ByteIndexedOpaque,
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GDIWindowSurfaceData.AnyGdi,
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true),
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new GDIBlitLoops(SurfaceType.Index8Gray,
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GDIWindowSurfaceData.AnyGdi,
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true),
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new GDIBlitLoops(SurfaceType.ByteGray,
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GDIWindowSurfaceData.AnyGdi),
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};
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GraphicsPrimitiveMgr.register(primitives);
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}
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/**
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* This constructor exists for srcTypes that have no need of
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* component masks. GDI only expects masks for 2- and 4-byte
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* DIBs, so all 1- and 3-byte srcTypes can skip the mask setting.
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*/
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public GDIBlitLoops(SurfaceType srcType, SurfaceType dstType) {
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this(srcType, dstType, 0, 0, 0);
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}
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/**
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* This constructor exists for srcTypes that need lookup tables
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* during image copying.
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*/
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public GDIBlitLoops(SurfaceType srcType, SurfaceType dstType,
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boolean indexed)
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{
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this(srcType, dstType, 0, 0, 0);
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this.indexed = indexed;
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}
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/**
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* This constructor sets mask for this primitive which can be
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* retrieved in native code to set the appropriate values for GDI.
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*/
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public GDIBlitLoops(SurfaceType srcType, SurfaceType dstType,
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int rmask, int gmask, int bmask)
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{
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super(srcType, CompositeType.SrcNoEa, dstType);
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this.rmask = rmask;
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this.gmask = gmask;
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this.bmask = bmask;
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}
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/**
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* nativeBlit
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* This native method is where all of the work happens in the
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* accelerated Blit.
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*/
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public native void nativeBlit(SurfaceData src, SurfaceData dst,
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Region clip,
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int sx, int sy, int dx, int dy,
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int w, int h,
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int rmask, int gmask, int bmask,
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boolean needLut);
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/**
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* Blit
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* This method wraps the nativeBlit call, sending in additional
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* info on whether the native method needs to get LUT info
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* from the source image. Note that we do not pass in the
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* Composite data because we only register these loops for
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* SrcNoEa composite operations.
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*/
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public void Blit(SurfaceData src, SurfaceData dst,
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Composite comp, Region clip,
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int sx, int sy, int dx, int dy, int w, int h)
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{
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nativeBlit(src, dst, clip, sx, sy, dx, dy, w, h,
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rmask, gmask, bmask, indexed);
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}
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}
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