From b01ac27a7d6ae4863490537e1ba8749795cd84de Mon Sep 17 00:00:00 2001 From: Kenneth Russel Date: Tue, 19 Jul 2005 01:02:22 +0000 Subject: Added files missed in last checkin git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JSR-231@330 232f8b59-042b-4e1e-8c03-345bb8c30851 --- .../games/jogl/impl/x11/X11GLDrawableFactory.java | 381 +++++++++++++++++++++ 1 file changed, 381 insertions(+) create mode 100755 src/net/java/games/jogl/impl/x11/X11GLDrawableFactory.java (limited to 'src/net/java/games/jogl/impl/x11/X11GLDrawableFactory.java') diff --git a/src/net/java/games/jogl/impl/x11/X11GLDrawableFactory.java b/src/net/java/games/jogl/impl/x11/X11GLDrawableFactory.java new file mode 100755 index 000000000..2db572f6d --- /dev/null +++ b/src/net/java/games/jogl/impl/x11/X11GLDrawableFactory.java @@ -0,0 +1,381 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package net.java.games.jogl.impl.x11; + +import java.awt.Component; +import java.awt.EventQueue; +import java.awt.GraphicsConfiguration; +import java.awt.GraphicsDevice; +import java.lang.reflect.InvocationTargetException; +import java.util.ArrayList; +import java.util.List; +import net.java.games.jogl.*; +import net.java.games.jogl.impl.*; + +public class X11GLDrawableFactory extends GLDrawableFactoryImpl { + private static final boolean DEBUG = Debug.debug("X11GLDrawableFactory"); + + static { + NativeLibLoader.load(); + } + + private static final int MAX_ATTRIBS = 128; + + public GraphicsConfiguration chooseGraphicsConfiguration(GLCapabilities capabilities, + GLCapabilitiesChooser chooser, + GraphicsDevice device) { + int screen = X11SunJDKReflection.graphicsDeviceGetScreen(device); + // Until we have a rock-solid visual selection algorithm written + // in pure Java, we're going to provide the underlying window + // system's selection to the chooser as a hint + + int[] attribs = glCapabilities2AttribList(capabilities, isMultisampleAvailable()); + XVisualInfo[] infos = null; + GLCapabilities[] caps = null; + int recommendedIndex = -1; + lockAWT(); + try { + long display = getDisplayConnection(); + XVisualInfo recommendedVis = GLX.glXChooseVisual(display, screen, attribs, 0); + int[] count = new int[1]; + XVisualInfo template = new XVisualInfo(); + template.screen(screen); + infos = GLX.XGetVisualInfo(display, GLX.VisualScreenMask, template, count, 0); + if (infos == null) { + throw new GLException("Error while enumerating available XVisualInfos"); + } + caps = new GLCapabilities[infos.length]; + for (int i = 0; i < infos.length; i++) { + caps[i] = xvi2GLCapabilities(display, infos[i]); + // Attempt to find the visual chosen by glXChooseVisual + if (recommendedVis != null && recommendedVis.visualid() == infos[i].visualid()) { + recommendedIndex = i; + } + } + } finally { + unlockAWT(); + } + int chosen = chooser.chooseCapabilities(capabilities, caps, recommendedIndex); + if (chosen < 0 || chosen >= caps.length) { + throw new GLException("GLCapabilitiesChooser specified invalid index (expected 0.." + (caps.length - 1) + ")"); + } + XVisualInfo vis = infos[chosen]; + if (vis == null) { + throw new GLException("GLCapabilitiesChooser chose an invalid visual"); + } + // FIXME: need to look at glue code and see type of this field + long visualID = vis.visualid(); + // FIXME: the storage for the infos array, as well as that for the + // recommended visual, is leaked; should free them here with XFree() + + // Now figure out which GraphicsConfiguration corresponds to this + // visual by matching the visual ID + GraphicsConfiguration[] configs = device.getConfigurations(); + for (int i = 0; i < configs.length; i++) { + GraphicsConfiguration config = configs[i]; + if (config != null) { + if (X11SunJDKReflection.graphicsConfigurationGetVisualID(config) == visualID) { + return config; + } + } + } + + // Either we weren't able to reflectively introspect on the + // X11GraphicsConfig or something went wrong in the steps above; + // we're going to return null without signaling an error condition + // in this case (although we should distinguish between the two + // and possibly report more of an error in the latter case) + return null; + } + + public GLDrawable getGLDrawable(Object target, + GLCapabilities capabilities, + GLCapabilitiesChooser chooser) { + if (target == null) { + throw new IllegalArgumentException("Null target"); + } + if (!(target instanceof Component)) { + throw new IllegalArgumentException("GLDrawables not supported for objects of type " + + target.getClass().getName() + " (only Components are supported in this implementation)"); + } + return new X11OnscreenGLDrawable((Component) target); + } + + public GLDrawableImpl createOffscreenDrawable(GLCapabilities capabilities, + GLCapabilitiesChooser chooser) { + return new X11OffscreenGLDrawable(capabilities, chooser); + } + + private boolean pbufferSupportInitialized = false; + private boolean canCreateGLPbuffer = false; + public boolean canCreateGLPbuffer(GLCapabilities capabilities, + int initialWidth, + int initialHeight) { + if (!pbufferSupportInitialized) { + Runnable r = new Runnable() { + public void run() { + long display = getDisplayConnection(); + lockAWT(); + try { + int[] major = new int[1]; + int[] minor = new int[1]; + if (!GLX.glXQueryVersion(display, major, 0, minor, 0)) { + throw new GLException("glXQueryVersion failed"); + } + if (DEBUG) { + System.err.println("!!! GLX version: major " + major[0] + + ", minor " + minor[0]); + } + + int screen = 0; // FIXME: provide way to specify this? + + // Work around bugs in ATI's Linux drivers where they report they + // only implement GLX version 1.2 but actually do support pbuffers + if (major[0] == 1 && minor[0] == 2) { + String str = GLX.glXQueryServerString(display, screen, GLX.GLX_VENDOR); + if (str != null && str.indexOf("ATI") >= 0) { + canCreateGLPbuffer = true; + } + } else { + canCreateGLPbuffer = ((major[0] > 1) || (minor[0] > 2)); + } + + pbufferSupportInitialized = true; + } finally { + unlockAWT(); + } + } + }; + maybeDoSingleThreadedWorkaround(r); + } + return canCreateGLPbuffer; + } + + public GLPbuffer createGLPbuffer(final GLCapabilities capabilities, + final int initialWidth, + final int initialHeight, + final GLContext shareWith) { + if (!canCreateGLPbuffer(capabilities, initialWidth, initialHeight)) { + throw new GLException("Pbuffer support not available with current graphics card"); + } + final List returnList = new ArrayList(); + Runnable r = new Runnable() { + public void run() { + X11PbufferGLDrawable pbufferDrawable = new X11PbufferGLDrawable(capabilities, + initialWidth, + initialHeight); + GLPbufferImpl pbuffer = new GLPbufferImpl(pbufferDrawable, shareWith); + returnList.add(pbuffer); + } + }; + maybeDoSingleThreadedWorkaround(r); + return (GLPbuffer) returnList.get(0); + } + + public static GLCapabilities xvi2GLCapabilities(long display, XVisualInfo info) { + int[] tmp = new int[1]; + int val = glXGetConfig(display, info, GLX.GLX_USE_GL, tmp, 0); + if (val == 0) { + // Visual does not support OpenGL + return null; + } + val = glXGetConfig(display, info, GLX.GLX_RGBA, tmp, 0); + if (val == 0) { + // Visual does not support RGBA + return null; + } + GLCapabilities res = new GLCapabilities(); + res.setDoubleBuffered(glXGetConfig(display, info, GLX.GLX_DOUBLEBUFFER, tmp, 0) != 0); + res.setStereo (glXGetConfig(display, info, GLX.GLX_STEREO, tmp, 0) != 0); + // Note: use of hardware acceleration is determined by + // glXCreateContext, not by the XVisualInfo. Optimistically claim + // that all GLCapabilities have the capability to be hardware + // accelerated. + res.setHardwareAccelerated(true); + res.setDepthBits (glXGetConfig(display, info, GLX.GLX_DEPTH_SIZE, tmp, 0)); + res.setStencilBits (glXGetConfig(display, info, GLX.GLX_STENCIL_SIZE, tmp, 0)); + res.setRedBits (glXGetConfig(display, info, GLX.GLX_RED_SIZE, tmp, 0)); + res.setGreenBits (glXGetConfig(display, info, GLX.GLX_GREEN_SIZE, tmp, 0)); + res.setBlueBits (glXGetConfig(display, info, GLX.GLX_BLUE_SIZE, tmp, 0)); + res.setAlphaBits (glXGetConfig(display, info, GLX.GLX_ALPHA_SIZE, tmp, 0)); + res.setAccumRedBits (glXGetConfig(display, info, GLX.GLX_ACCUM_RED_SIZE, tmp, 0)); + res.setAccumGreenBits(glXGetConfig(display, info, GLX.GLX_ACCUM_GREEN_SIZE, tmp, 0)); + res.setAccumBlueBits (glXGetConfig(display, info, GLX.GLX_ACCUM_BLUE_SIZE, tmp, 0)); + res.setAccumAlphaBits(glXGetConfig(display, info, GLX.GLX_ACCUM_ALPHA_SIZE, tmp, 0)); + if (isMultisampleAvailable()) { + res.setSampleBuffers(glXGetConfig(display, info, GLX.GLX_SAMPLE_BUFFERS_ARB, tmp, 0) != 0); + res.setNumSamples (glXGetConfig(display, info, GLX.GLX_SAMPLES_ARB, tmp, 0)); + } + return res; + } + + public static int[] glCapabilities2AttribList(GLCapabilities caps, + boolean isMultisampleAvailable) { + int colorDepth = (caps.getRedBits() + + caps.getGreenBits() + + caps.getBlueBits()); + if (colorDepth < 15) { + throw new GLException("Bit depths < 15 (i.e., non-true-color) not supported"); + } + int[] res = new int[MAX_ATTRIBS]; + int idx = 0; + res[idx++] = GLX.GLX_RGBA; + if (caps.getDoubleBuffered()) { + res[idx++] = GLX.GLX_DOUBLEBUFFER; + } + if (caps.getStereo()) { + res[idx++] = GLX.GLX_STEREO; + } + res[idx++] = GLX.GLX_RED_SIZE; + res[idx++] = caps.getRedBits(); + res[idx++] = GLX.GLX_GREEN_SIZE; + res[idx++] = caps.getGreenBits(); + res[idx++] = GLX.GLX_BLUE_SIZE; + res[idx++] = caps.getBlueBits(); + res[idx++] = GLX.GLX_ALPHA_SIZE; + res[idx++] = caps.getAlphaBits(); + res[idx++] = GLX.GLX_DEPTH_SIZE; + res[idx++] = caps.getDepthBits(); + res[idx++] = GLX.GLX_STENCIL_SIZE; + res[idx++] = caps.getStencilBits(); + res[idx++] = GLX.GLX_ACCUM_RED_SIZE; + res[idx++] = caps.getAccumRedBits(); + res[idx++] = GLX.GLX_ACCUM_GREEN_SIZE; + res[idx++] = caps.getAccumGreenBits(); + res[idx++] = GLX.GLX_ACCUM_BLUE_SIZE; + res[idx++] = caps.getAccumBlueBits(); + if (isMultisampleAvailable && caps.getSampleBuffers()) { + res[idx++] = GL.GLX_SAMPLE_BUFFERS_ARB; + res[idx++] = GL.GL_TRUE; + res[idx++] = GL.GLX_SAMPLES_ARB; + res[idx++] = caps.getNumSamples(); + } + res[idx++] = 0; + return res; + } + + // JAWT access + private static JAWT jawt; + public static JAWT getJAWT() { + if (jawt == null) { + JAWT j = new JAWT(); + j.version(JAWTFactory.JAWT_VERSION_1_4); + if (!JAWTFactory.JAWT_GetAWT(j)) { + throw new RuntimeException("Unable to initialize JAWT"); + } + jawt = j; + } + return jawt; + } + + public static void lockAWT() { + getJAWT().Lock(); + } + + public static void unlockAWT() { + getJAWT().Unlock(); + } + + // Display connection for use by visual selection algorithm and by all offscreen surfaces + private static long staticDisplay; + public static long getDisplayConnection() { + if (staticDisplay == 0) { + lockAWT(); + try { + staticDisplay = GLX.XOpenDisplay(null); + } finally { + unlockAWT(); + } + if (staticDisplay == 0) { + throw new GLException("Unable to open default display, needed for visual selection and offscreen surface handling"); + } + } + return staticDisplay; + } + + private static boolean checkedMultisample; + private static boolean multisampleAvailable; + public static boolean isMultisampleAvailable() { + if (!checkedMultisample) { + long display = getDisplayConnection(); + String exts = GLX.glXGetClientString(display, GLX.GLX_EXTENSIONS); + if (exts != null) { + multisampleAvailable = (exts.indexOf("GLX_ARB_multisample") >= 0); + } + checkedMultisample = true; + } + return multisampleAvailable; + } + + private static String glXGetConfigErrorCode(int err) { + switch (err) { + case GLX.GLX_NO_EXTENSION: return "GLX_NO_EXTENSION"; + case GLX.GLX_BAD_SCREEN: return "GLX_BAD_SCREEN"; + case GLX.GLX_BAD_ATTRIBUTE: return "GLX_BAD_ATTRIBUTE"; + case GLX.GLX_BAD_VISUAL: return "GLX_BAD_VISUAL"; + default: return "Unknown error code " + err; + } + } + + public static int glXGetConfig(long display, XVisualInfo info, int attrib, int[] tmp, int tmp_offset) { + if (display == 0) { + throw new GLException("No display connection"); + } + int res = GLX.glXGetConfig(display, info, attrib, tmp, tmp_offset); + if (res != 0) { + throw new GLException("glXGetConfig failed: error code " + glXGetConfigErrorCode(res)); + } + return tmp[tmp_offset]; + } + + private void maybeDoSingleThreadedWorkaround(Runnable action) { + if (SingleThreadedWorkaround.doWorkaround() && !EventQueue.isDispatchThread()) { + try { + EventQueue.invokeAndWait(action); + } catch (InvocationTargetException e) { + throw new GLException(e.getTargetException()); + } catch (InterruptedException e) { + throw new GLException(e); + } + } else { + action.run(); + } + } +} -- cgit v1.2.3