--- /dev/null 2019-05-16 19:16:27.000000000 +0300 +++ new/src/java.desktop/macosx/classes/sun/java2d/metal/MTLGraphicsConfig.java 2019-05-16 19:16:27.000000000 +0300 @@ -0,0 +1,439 @@ +/* + * Copyright (c) 2019, 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.metal; + +import sun.awt.CGraphicsConfig; +import sun.awt.CGraphicsDevice; +import sun.awt.image.OffScreenImage; +import sun.awt.image.SunVolatileImage; +import sun.awt.image.SurfaceManager; +import sun.java2d.Disposer; +import sun.java2d.DisposerRecord; +import sun.java2d.Surface; +import sun.java2d.SurfaceData; +import sun.java2d.pipe.hw.AccelGraphicsConfig; +import sun.java2d.pipe.hw.AccelSurface; +import sun.java2d.pipe.hw.AccelTypedVolatileImage; +import sun.java2d.pipe.hw.ContextCapabilities; +import sun.lwawt.LWComponentPeer; +import sun.lwawt.macosx.CFRetainedResource; +import sun.lwawt.macosx.CPlatformView; + +import java.awt.*; +import java.awt.color.ColorSpace; +import java.awt.image.*; +import java.io.File; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.util.HashMap; + +import static sun.java2d.opengl.OGLSurfaceData.TEXTURE; +import static sun.java2d.pipe.hw.AccelSurface.RT_TEXTURE; +import static sun.java2d.pipe.hw.ContextCapabilities.*; + +public final class MTLGraphicsConfig extends CGraphicsConfig + implements AccelGraphicsConfig, SurfaceManager.ProxiedGraphicsConfig +{ + //private static final int kOpenGLSwapInterval = + // RuntimeOptions.getCurrentOptions().OpenGLSwapInterval; + private static final int kOpenGLSwapInterval = 0; // TODO + private static boolean mtlAvailable; + private static ImageCapabilities imageCaps = new MTLImageCaps(); + + private static final String mtlShadersLib = AccessController.doPrivileged( + (PrivilegedAction) () -> + System.getProperty("java.home", "") + File.separator + + "lib" + File.separator + "shaders.metallib"); + + + private int pixfmt; + private BufferCapabilities bufferCaps; + private long pConfigInfo; + private ContextCapabilities mtlCaps; + private MTLContext context; + private final Object disposerReferent = new Object(); + private final int maxTextureSize; + + private static native boolean initMTL(); + private static native long getMTLConfigInfo(int displayID, String mtlShadersLib); + + /** + * Returns GL_MAX_TEXTURE_SIZE from the shared opengl context. Must be + * called under OGLRQ lock, because this method change current context. + * + * @return GL_MAX_TEXTURE_SIZE + */ + private static native int nativeGetMaxTextureSize(); + + private static final HashMap pGCRefCounts = new HashMap<>(); + + static { + mtlAvailable = initMTL(); + } + + private MTLGraphicsConfig(CGraphicsDevice device, int pixfmt, + long configInfo, int maxTextureSize, + ContextCapabilities mtlCaps) { + super(device); + + this.pixfmt = pixfmt; + this.pConfigInfo = configInfo; + this.mtlCaps = mtlCaps; + this.maxTextureSize = maxTextureSize; + context = new MTLContext(MTLRenderQueue.getInstance(), this); + refPConfigInfo(pConfigInfo); + // add a record to the Disposer so that we destroy the native + // MTLGraphicsConfigInfo data when this object goes away + Disposer.addRecord(disposerReferent, + new MTLGCDisposerRecord(pConfigInfo)); + } + + @Override + public Object getProxyKey() { + return this; + } + + public SurfaceData createManagedSurface(int w, int h, int transparency) { + return MTLSurfaceData.createData(this, w, h, + getColorModel(transparency), + null, + MTLSurfaceData.TEXTURE); + } + + public static MTLGraphicsConfig getConfig(CGraphicsDevice device, + int displayID, int pixfmt) + { + if (!mtlAvailable) { + return null; + } + + long cfginfo = 0; + int textureSize = 0; + final String[] ids = new String[1]; + MTLRenderQueue rq = MTLRenderQueue.getInstance(); + rq.lock(); + try { + // getCGLConfigInfo() creates and destroys temporary + // surfaces/contexts, so we should first invalidate the current + // Java-level context and flush the queue... + MTLContext.invalidateCurrentContext(); + cfginfo = getMTLConfigInfo(displayID, mtlShadersLib); + if (cfginfo != 0L) { + textureSize = nativeGetMaxTextureSize(); + // 7160609: GL still fails to create a square texture of this + // size. Half should be safe enough. + // Explicitly not support a texture more than 2^14, see 8010999. + textureSize = textureSize <= 16384 ? textureSize / 2 : 8192; + MTLContext.setScratchSurface(cfginfo); + rq.flushAndInvokeNow(() -> { + ids[0] = MTLContext.getMTLIdString(); + }); + } + } finally { + rq.unlock(); + } + if (cfginfo == 0) { + return null; + } + + ContextCapabilities caps = new MTLContext.MTLContextCaps( + CAPS_PS30 | CAPS_PS20 | CAPS_RT_PLAIN_ALPHA | + CAPS_RT_TEXTURE_ALPHA | CAPS_RT_TEXTURE_OPAQUE | + CAPS_MULTITEXTURE | CAPS_TEXNONPOW2 | CAPS_TEXNONSQUARE, + ids[0]); + return new MTLGraphicsConfig(device, pixfmt, cfginfo, textureSize, caps); + } + + static void refPConfigInfo(long pConfigInfo) { + synchronized (pGCRefCounts) { + Integer count = pGCRefCounts.get(pConfigInfo); + if (count == null) { + count = 1; + } + else { + count++; + } + pGCRefCounts.put(pConfigInfo, count); + } + } + + static void deRefPConfigInfo(long pConfigInfo) { + synchronized (pGCRefCounts) { + Integer count = pGCRefCounts.get(pConfigInfo); + if (count != null) { + count--; + pGCRefCounts.put(pConfigInfo, count); + if (count == 0) { + MTLRenderQueue.disposeGraphicsConfig(pConfigInfo); + pGCRefCounts.remove(pConfigInfo); + } + } + } + } + + /** + * Returns true if the provided capability bit is present for this config. + * See MTLContext.java for a list of supported capabilities. + */ + public boolean isCapPresent(int cap) { + return ((mtlCaps.getCaps() & cap) != 0); + } + + public long getNativeConfigInfo() { + return pConfigInfo; + } + + /** + * {@inheritDoc} + * + * @see sun.java2d.pipe.hw.BufferedContextProvider#getContext + */ + @Override + public MTLContext getContext() { + return context; + } + + @Override + public BufferedImage createCompatibleImage(int width, int height) { + ColorModel model = new DirectColorModel(24, 0xff0000, 0xff00, 0xff); + WritableRaster + raster = model.createCompatibleWritableRaster(width, height); + return new BufferedImage(model, raster, model.isAlphaPremultiplied(), + null); + } + + @Override + public ColorModel getColorModel(int transparency) { + switch (transparency) { + case Transparency.OPAQUE: + // REMIND: once the ColorModel spec is changed, this should be + // an opaque premultiplied DCM... + return new DirectColorModel(24, 0xff0000, 0xff00, 0xff); + case Transparency.BITMASK: + return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000); + case Transparency.TRANSLUCENT: + ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB); + return new DirectColorModel(cs, 32, + 0xff0000, 0xff00, 0xff, 0xff000000, + true, DataBuffer.TYPE_INT); + default: + return null; + } + } + + public boolean isDoubleBuffered() { + return true; + } + + private static class MTLGCDisposerRecord implements DisposerRecord { + private long pCfgInfo; + public MTLGCDisposerRecord(long pCfgInfo) { + this.pCfgInfo = pCfgInfo; + } + public void dispose() { + if (pCfgInfo != 0) { + deRefPConfigInfo(pCfgInfo); + pCfgInfo = 0; + } + } + } + + // TODO: CGraphicsConfig doesn't implement displayChanged() yet + //@Override + public synchronized void displayChanged() { + //super.displayChanged(); + + // the context could hold a reference to a MTLSurfaceData, which in + // turn has a reference back to this MTLGraphicsConfig, so in order + // for this instance to be disposed we need to break the connection + MTLRenderQueue rq = MTLRenderQueue.getInstance(); + rq.lock(); + try { + MTLContext.invalidateCurrentContext(); + } finally { + rq.unlock(); + } + } + + @Override + public String toString() { + return ("MTLGraphicsConfig[" + getDevice().getIDstring() + + ",pixfmt="+pixfmt+"]"); + } + + @Override + public SurfaceData createSurfaceData(CPlatformView pView) { + return MTLSurfaceData.createData(pView); + } + + @Override + public SurfaceData createSurfaceData(CFRetainedResource layer) { + return MTLSurfaceData.createData((MTLLayer) layer); + } + + @Override + public Image createAcceleratedImage(Component target, + int width, int height) + { + ColorModel model = getColorModel(Transparency.OPAQUE); + WritableRaster wr = model.createCompatibleWritableRaster(width, height); + return new OffScreenImage(target, model, wr, + model.isAlphaPremultiplied()); + } + + @Override + public void assertOperationSupported(final int numBuffers, + final BufferCapabilities caps) + throws AWTException { + // Assume this method is never called with numBuffers != 2, as 0 is + // unsupported, and 1 corresponds to a SingleBufferStrategy which + // doesn't depend on the peer. Screen is considered as a separate + // "buffer". + if (numBuffers != 2) { + throw new AWTException("Only double buffering is supported"); + } + final BufferCapabilities configCaps = getBufferCapabilities(); + if (!configCaps.isPageFlipping()) { + throw new AWTException("Page flipping is not supported"); + } + if (caps.getFlipContents() == BufferCapabilities.FlipContents.PRIOR) { + throw new AWTException("FlipContents.PRIOR is not supported"); + } + } + + @Override + public Image createBackBuffer(final LWComponentPeer peer) { + final Rectangle r = peer.getBounds(); + // It is possible for the component to have size 0x0, adjust it to + // be at least 1x1 to avoid IAE + final int w = Math.max(1, r.width); + final int h = Math.max(1, r.height); + final int transparency = peer.isTranslucent() ? Transparency.TRANSLUCENT + : Transparency.OPAQUE; + return new SunVolatileImage(this, w, h, transparency, null); + } + + @Override + public void destroyBackBuffer(final Image backBuffer) { + if (backBuffer != null) { + backBuffer.flush(); + } + } + + @Override + public void flip(final LWComponentPeer peer, final Image backBuffer, + final int x1, final int y1, final int x2, final int y2, + final BufferCapabilities.FlipContents flipAction) { + final Graphics g = peer.getGraphics(); + try { + g.drawImage(backBuffer, x1, y1, x2, y2, x1, y1, x2, y2, null); + } finally { + g.dispose(); + } + if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) { + final Graphics2D bg = (Graphics2D) backBuffer.getGraphics(); + try { + bg.setBackground(peer.getBackground()); + bg.clearRect(0, 0, backBuffer.getWidth(null), + backBuffer.getHeight(null)); + } finally { + bg.dispose(); + } + } + } + + private static class MTLBufferCaps extends BufferCapabilities { + public MTLBufferCaps(boolean dblBuf) { + super(imageCaps, imageCaps, + dblBuf ? FlipContents.UNDEFINED : null); + } + } + + @Override + public BufferCapabilities getBufferCapabilities() { + if (bufferCaps == null) { + bufferCaps = new MTLBufferCaps(isDoubleBuffered()); + } + return bufferCaps; + } + + private static class MTLImageCaps extends ImageCapabilities { + private MTLImageCaps() { + super(true); + } + public boolean isTrueVolatile() { + return true; + } + } + + @Override + public ImageCapabilities getImageCapabilities() { + return imageCaps; + } + + @Override + public VolatileImage createCompatibleVolatileImage(int width, int height, + int transparency, + int type) { + if (type != RT_TEXTURE && type != TEXTURE) { + return null; + } + + SunVolatileImage vi = new AccelTypedVolatileImage(this, width, height, + transparency, type); + Surface sd = vi.getDestSurface(); + if (!(sd instanceof AccelSurface) || + ((AccelSurface)sd).getType() != type) + { + vi.flush(); + vi = null; + } + + return vi; + } + + /** + * {@inheritDoc} + * + * @see sun.java2d.pipe.hw.AccelGraphicsConfig#getContextCapabilities + */ + @Override + public ContextCapabilities getContextCapabilities() { + return mtlCaps; + } + + @Override + public int getMaxTextureWidth() { + return Math.max(maxTextureSize / getDevice().getScaleFactor(), + getBounds().width); + } + + @Override + public int getMaxTextureHeight() { + return Math.max(maxTextureSize / getDevice().getScaleFactor(), + getBounds().height); + } +}