diff options
Diffstat (limited to 'src/net/java/games/jogl/impl/x11/X11GLContextFactory.java')
| -rw-r--r-- | src/net/java/games/jogl/impl/x11/X11GLContextFactory.java | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/src/net/java/games/jogl/impl/x11/X11GLContextFactory.java b/src/net/java/games/jogl/impl/x11/X11GLContextFactory.java deleted file mode 100644 index a1b299478..000000000 --- a/src/net/java/games/jogl/impl/x11/X11GLContextFactory.java +++ /dev/null @@ -1,288 +0,0 @@ -/* - * 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.GraphicsConfiguration; -import java.awt.GraphicsDevice; -import net.java.games.jogl.*; -import net.java.games.jogl.impl.*; - -public class X11GLContextFactory extends GLContextFactory { - 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); - int[] count = new int[1]; - XVisualInfo template = new XVisualInfo(); - template.screen(screen); - infos = GLX.XGetVisualInfo(display, GLX.VisualScreenMask, template, count); - 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 GLContext createGLContext(Component component, - GLCapabilities capabilities, - GLCapabilitiesChooser chooser, - GLContext shareWith) { - if (component != null) { - return new X11OnscreenGLContext(component, capabilities, chooser, shareWith); - } else { - return new X11OffscreenGLContext(capabilities, chooser, shareWith); - } - } - - public static GLCapabilities xvi2GLCapabilities(long display, XVisualInfo info) { - int[] tmp = new int[1]; - int val = glXGetConfig(display, info, GLX.GLX_USE_GL, tmp); - if (val == 0) { - // Visual does not support OpenGL - return null; - } - val = glXGetConfig(display, info, GLX.GLX_RGBA, tmp); - if (val == 0) { - // Visual does not support RGBA - return null; - } - GLCapabilities res = new GLCapabilities(); - res.setDoubleBuffered(glXGetConfig(display, info, GLX.GLX_DOUBLEBUFFER, tmp) != 0); - res.setStereo (glXGetConfig(display, info, GLX.GLX_STEREO, tmp) != 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)); - res.setStencilBits (glXGetConfig(display, info, GLX.GLX_STENCIL_SIZE, tmp)); - res.setRedBits (glXGetConfig(display, info, GLX.GLX_RED_SIZE, tmp)); - res.setGreenBits (glXGetConfig(display, info, GLX.GLX_GREEN_SIZE, tmp)); - res.setBlueBits (glXGetConfig(display, info, GLX.GLX_BLUE_SIZE, tmp)); - res.setAlphaBits (glXGetConfig(display, info, GLX.GLX_ALPHA_SIZE, tmp)); - res.setAccumRedBits (glXGetConfig(display, info, GLX.GLX_ACCUM_RED_SIZE, tmp)); - res.setAccumGreenBits(glXGetConfig(display, info, GLX.GLX_ACCUM_GREEN_SIZE, tmp)); - res.setAccumBlueBits (glXGetConfig(display, info, GLX.GLX_ACCUM_BLUE_SIZE, tmp)); - res.setAccumAlphaBits(glXGetConfig(display, info, GLX.GLX_ACCUM_ALPHA_SIZE, tmp)); - if (isMultisampleAvailable()) { - res.setSampleBuffers(glXGetConfig(display, info, GLX.GLX_SAMPLE_BUFFERS_ARB, tmp) != 0); - res.setNumSamples (glXGetConfig(display, info, GLX.GLX_SAMPLES_ARB, tmp)); - } - 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) { - if (display == 0) { - throw new GLException("No display connection"); - } - int res = GLX.glXGetConfig(display, info, attrib, tmp); - if (res != 0) { - throw new GLException("glXGetConfig failed: error code " + glXGetConfigErrorCode(res)); - } - return tmp[0]; - } -} |