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6758179: D3D: AlphaComposite is applied incorrectly for uncached opaque BufferedImage

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Reviewed-by: campbell, flar
This commit is contained in:
Dmitri Trembovetski 2008-11-18 17:16:27 -08:00
parent f0bc3cdc91
commit e7b4bb5f00
2 changed files with 80 additions and 1 deletions
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6
jdk/src/windows/native/sun/java2d/d3d/D3DBlitLoops.cpp
View File

@ -252,11 +252,15 @@ D3DBL_CopyImageToIntXrgbSurface(SurfaceDataRasInfo *pSrcInfo,
pSrcInfo, &dstInfo, NULL, NULL);
break;
case ST_INT_ARGB_PRE:
case ST_INT_RGB:
AnyIntIsomorphicCopy(pSrcBase, pDstBase,
srcWidth, srcHeight,
pSrcInfo, &dstInfo, NULL, NULL);
break;
case ST_INT_RGB:
IntRgbToIntArgbConvert(pSrcBase, pDstBase,
srcWidth, srcHeight,
pSrcInfo, &dstInfo, NULL, NULL);
break;
case ST_INT_ARGB_BM:
// REMIND: we don't have such sw loop
// so this path is disabled for now on java level

75
jdk/test/sun/java2d/DirectX/OpaqueImageToSurfaceBlitTest/OpaqueImageToSurfaceBlitTest.java Normal file
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@ -0,0 +1,75 @@
/*
* Copyright 2007-2008 Sun Microsystems, Inc. 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.
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 6764257
* @summary Tests that the alpha in opaque images doesn't affect result of alpha
* compositing
* @author Dmitri.Trembovetski@sun.com: area=Graphics
* @run main/othervm OpaqueImageToSurfaceBlitTest
* @run main/othervm -Dsun.java2d.noddraw=true OpaqueImageToSurfaceBlitTest
* @run main/othervm -Dsun.java2d.opengl=True OpaqueImageToSurfaceBlitTest
*/
import java.awt.AlphaComposite;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.image.BufferedImage;
import java.awt.image.DataBufferInt;
import java.awt.image.VolatileImage;
public class OpaqueImageToSurfaceBlitTest {
public static void main(String[] args) {
GraphicsEnvironment ge =
GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gd = ge.getDefaultScreenDevice();
GraphicsConfiguration gc = gd.getDefaultConfiguration();
VolatileImage vi = gc.createCompatibleVolatileImage(16, 16);
vi.validate(gc);
BufferedImage bi =
new BufferedImage(2, 2, BufferedImage.TYPE_INT_RGB);
int data[] = ((DataBufferInt)bi.getRaster().getDataBuffer()).getData();
data[0] = 0x0000007f;
data[1] = 0x0000007f;
data[2] = 0xff00007f;
data[3] = 0xff00007f;
Graphics2D g = vi.createGraphics();
g.setComposite(AlphaComposite.SrcOver.derive(0.999f));
g.drawImage(bi, 0, 0, null);
bi = vi.getSnapshot();
if (bi.getRGB(0, 0) != bi.getRGB(1, 1)) {
throw new RuntimeException("Test FAILED: color at 0x0 ="+
Integer.toHexString(bi.getRGB(0, 0))+" differs from 1x1 ="+
Integer.toHexString(bi.getRGB(1,1)));
}
System.out.println("Test PASSED.");
}
}