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authorKenneth Russel <[email protected]>2005-10-24 19:21:03 +0000
committerKenneth Russel <[email protected]>2005-10-24 19:21:03 +0000
commitd6f9dbc493df725d3d574403549de142c5e1222a (patch)
tree8eb152b0627f8d1897a27c5204d6ce2efb4963e4 /src/net/java/games/jogl/impl/windows
parent42843c3290d64c41c9c8a18b93f5ad3c00d35ddc (diff)
Merged JSR-231 branch on to the main JOGL trunk. The main trunk now
contains the evolving JSR-231 Reference Implementation and the JSR-231 branch is permanently closed. git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@401 232f8b59-042b-4e1e-8c03-345bb8c30851
Diffstat (limited to 'src/net/java/games/jogl/impl/windows')
-rw-r--r--src/net/java/games/jogl/impl/windows/WindowsGLContext.java717
-rw-r--r--src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java361
-rw-r--r--src/net/java/games/jogl/impl/windows/WindowsOffscreenGLContext.java176
-rw-r--r--src/net/java/games/jogl/impl/windows/WindowsOnscreenGLContext.java228
-rw-r--r--src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java529
5 files changed, 0 insertions, 2011 deletions
diff --git a/src/net/java/games/jogl/impl/windows/WindowsGLContext.java b/src/net/java/games/jogl/impl/windows/WindowsGLContext.java
deleted file mode 100644
index e838c68aa..000000000
--- a/src/net/java/games/jogl/impl/windows/WindowsGLContext.java
+++ /dev/null
@@ -1,717 +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.windows;
-
-import java.awt.Component;
-import java.awt.GraphicsConfiguration;
-import java.awt.GraphicsDevice;
-import java.awt.Rectangle;
-import java.util.*;
-import net.java.games.gluegen.runtime.*; // for PROCADDRESS_VAR_PREFIX
-import net.java.games.jogl.*;
-import net.java.games.jogl.impl.*;
-
-public abstract class WindowsGLContext extends GLContext {
- private static JAWT jawt;
- protected long hglrc;
- protected long hdc;
- private boolean wglGetExtensionsStringEXTInitialized;
- private boolean wglGetExtensionsStringEXTAvailable;
- private static final Map/*<String, String>*/ functionNameMap;
- private static final Map/*<String, String>*/ extensionNameMap;
- // Table that holds the addresses of the native C-language entry points for
- // OpenGL functions.
- private GLProcAddressTable glProcAddressTable;
- // Handle to GLU32.dll
- private long hglu32;
- private boolean haveWGLARBPbuffer = true;
-
- private static final int MAX_PFORMATS = 256;
- private static final int MAX_ATTRIBS = 256;
-
- static {
- functionNameMap = new HashMap();
- functionNameMap.put("glAllocateMemoryNV", "wglAllocateMemoryNV");
- functionNameMap.put("glFreeMemoryNV", "wglFreeMemoryNV");
-
- extensionNameMap = new HashMap();
- extensionNameMap.put("GL_ARB_pbuffer", "WGL_ARB_pbuffer");
- extensionNameMap.put("GL_ARB_pixel_format", "WGL_ARB_pixel_format");
- }
-
- public WindowsGLContext(Component component,
- GLCapabilities capabilities,
- GLCapabilitiesChooser chooser,
- GLContext shareWith) {
- super(component, capabilities, chooser, shareWith);
- }
-
- protected GL createGL()
- {
- return new WindowsGLImpl(this);
- }
-
- protected String mapToRealGLFunctionName(String glFunctionName) {
- String lookup = (String) functionNameMap.get(glFunctionName);
- if (lookup != null) {
- return lookup;
- }
- return glFunctionName;
- }
-
- protected String mapToRealGLExtensionName(String glExtensionName) {
- String lookup = (String) extensionNameMap.get(glExtensionName);
- if (lookup != null) {
- return lookup;
- }
- return glExtensionName;
- }
-
- protected abstract boolean isOffscreen();
-
- public int getOffscreenContextWidth() {
- throw new GLException("Should not call this");
- }
-
- public int getOffscreenContextHeight() {
- throw new GLException("Should not call this");
- }
-
- public int getOffscreenContextPixelDataType() {
- throw new GLException("Should not call this");
- }
-
- public abstract int getOffscreenContextReadBuffer();
-
- public abstract boolean offscreenImageNeedsVerticalFlip();
-
- /**
- * Creates and initializes an appropriate OpenGL context. Should only be
- * called by {@link #makeCurrent(Runnable)}.
- */
- protected abstract void create();
-
- protected synchronized boolean makeCurrent(Runnable initAction) throws GLException {
- boolean created = false;
- if (hglrc == 0) {
- create();
- if (DEBUG) {
- System.err.println(getThreadName() + ": !!! Created GL context for " + getClass().getName());
- }
- created = true;
- }
-
- boolean skipMakeCurrent = false;
- if (NO_FREE) {
- if (WGL.wglGetCurrentContext() == hglrc) {
- if (DEBUG && VERBOSE) {
- System.err.println(getThreadName() + ": skipping wglMakeCurrent because context already current");
- }
- skipMakeCurrent = true;
- }
- }
-
- if (!skipMakeCurrent) {
- if (!WGL.wglMakeCurrent(hdc, hglrc)) {
- throw new GLException("Error making context current: " + WGL.GetLastError());
- } else {
- if (DEBUG && VERBOSE) {
- System.err.println(getThreadName() + ": wglMakeCurrent(hdc " + hdcToString(hdc) +
- ", hglrc " + hdcToString(hglrc) + ") succeeded");
- }
- }
- }
-
- if (created) {
- resetGLFunctionAvailability();
- haveWGLARBPbuffer = (isExtensionAvailable("WGL_ARB_pbuffer") &&
- isExtensionAvailable("WGL_ARB_pixel_format"));
- // Windows can set up sharing of display lists after creation time
- WindowsGLContext other = (WindowsGLContext) GLContextShareSet.getShareContext(this);
- if (other != null) {
- long hglrc2 = other.getHGLRC();
- if (hglrc2 == 0) {
- throw new GLException("GLContextShareSet returned an invalid OpenGL context");
- }
- if (!WGL.wglShareLists(hglrc2, hglrc)) {
- throw new GLException("wglShareLists(0x" + Long.toHexString(hglrc2) +
- ", 0x" + Long.toHexString(hglrc) + ") failed: error code " +
- WGL.GetLastError());
- }
- }
- GLContextShareSet.contextCreated(this);
-
- initAction.run();
- }
- return true;
- }
-
- protected synchronized void free() throws GLException {
- if (!NO_FREE) {
- if (!WGL.wglMakeCurrent(0, 0)) {
- throw new GLException("Error freeing OpenGL context: " + WGL.GetLastError());
- }
- }
- }
-
- protected void destroyImpl() throws GLException {
- if (hglrc != 0) {
- if (!WGL.wglDeleteContext(hglrc)) {
- throw new GLException("Unable to delete OpenGL context");
- }
- if (DEBUG) {
- System.err.println(getThreadName() + ": !!! Destroyed OpenGL context " + hglrc);
- }
- hglrc = 0;
- }
- }
-
- public abstract void swapBuffers() throws GLException;
-
- protected long dynamicLookupFunction(String glFuncName) {
- long res = WGL.wglGetProcAddress(glFuncName);
- if (res == 0) {
- // GLU routines aren't known to the OpenGL function lookup
- if (hglu32 == 0) {
- hglu32 = WGL.LoadLibraryA("GLU32");
- if (hglu32 == 0) {
- throw new GLException("Error loading GLU32.DLL");
- }
- }
- res = WGL.GetProcAddress(hglu32, glFuncName);
- }
- return res;
- }
-
- public boolean isCreated() {
- return (hglrc != 0);
- }
-
- protected void resetGLFunctionAvailability() {
- super.resetGLFunctionAvailability();
- if (DEBUG) {
- System.err.println(getThreadName() + ": !!! Initializing OpenGL extension address table");
- }
- resetProcAddressTable(getGLProcAddressTable());
- }
-
- public GLProcAddressTable getGLProcAddressTable() {
- if (glProcAddressTable == null) {
- // FIXME: cache ProcAddressTables by capability bits so we can
- // share them among contexts with the same capabilities
- glProcAddressTable = new GLProcAddressTable();
- }
- return glProcAddressTable;
- }
-
- public String getPlatformExtensionsString() {
- if (!wglGetExtensionsStringEXTInitialized) {
- wglGetExtensionsStringEXTAvailable = (WGL.wglGetProcAddress("wglGetExtensionsStringEXT") != 0);
- wglGetExtensionsStringEXTInitialized = true;
- }
- if (wglGetExtensionsStringEXTAvailable) {
- return gl.wglGetExtensionsStringEXT();
- } else {
- return "";
- }
- }
-
- protected boolean isFunctionAvailable(String glFunctionName)
- {
- boolean available = super.isFunctionAvailable(glFunctionName);
-
- // Sanity check for implementations that use proc addresses for run-time
- // linking: if the function IS available, then make sure there's a proc
- // address for it if it's an extension or not part of the OpenGL 1.1 core
- // (post GL 1.1 functions are run-time linked on windows).
- assert(!available ||
- (getGLProcAddressTable().getAddressFor(mapToRealGLFunctionName(glFunctionName)) != 0 ||
- FunctionAvailabilityCache.isPartOfGLCore("1.1", mapToRealGLFunctionName(glFunctionName)))
- );
-
- return available;
- }
-
- //----------------------------------------------------------------------
- // Internals only below this point
- //
-
- protected 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;
- }
-
- // Helper routine for the overridden create() to call
- protected void choosePixelFormatAndCreateContext(boolean onscreen) {
- PIXELFORMATDESCRIPTOR pfd = null;
- int pixelFormat = 0;
- if (onscreen) {
- GLCapabilities[] availableCaps = null;
- int numFormats = 0;
- pfd = newPixelFormatDescriptor();
- GraphicsConfiguration config = component.getGraphicsConfiguration();
- GraphicsDevice device = config.getDevice();
- // Produce a recommended pixel format selection for the GLCapabilitiesChooser.
- // Use wglChoosePixelFormatARB if user requested multisampling and if we have it available
- GL dummyGL = null;
- if (capabilities.getSampleBuffers()) {
- dummyGL = WindowsGLContextFactory.getDummyGL(device);
- }
- int recommendedPixelFormat = -1;
- boolean haveWGLChoosePixelFormatARB = false;
- boolean haveWGLARBMultisample = false;
- if (dummyGL != null) {
- String availableWGLExtensions = WindowsGLContextFactory.getDummyGLExtensions(device);
- if (availableWGLExtensions.indexOf("WGL_ARB_pixel_format") >= 0) {
- haveWGLChoosePixelFormatARB = true;
- if (availableWGLExtensions.indexOf("WGL_ARB_multisample") >= 0) {
- haveWGLARBMultisample = true;
- }
- }
- }
- Rectangle rect = config.getBounds();
- long dc = 0;
- long rc = 0;
- boolean freeWGLC = false;
- if( dummyGL != null ) {
- dc = WindowsGLContextFactory.getDummyGLContext( device ).hdc;
- rc = WindowsGLContextFactory.getDummyGLContext( device ).hglrc;
- if( !WGL.wglMakeCurrent( dc, rc ) ) {
- System.err.println(getThreadName() + ": Error Making WGLC Current: " + WGL.GetLastError() );
- } else {
- freeWGLC = true;
- }
- }
- // Fallback path for older cards, in particular Intel Extreme motherboard graphics
- boolean gotAvailableCaps = false;
- if (dummyGL != null && haveWGLChoosePixelFormatARB) {
- int[] iattributes = new int [2 * MAX_ATTRIBS];
- int[] iresults = new int [2 * MAX_ATTRIBS];
- float[] fattributes = new float[2 * MAX_ATTRIBS];
- int niattribs = 0;
- int nfattribs = 0;
- iattributes[niattribs++] = GL.WGL_SUPPORT_OPENGL_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
- iattributes[niattribs++] = GL.WGL_DRAW_TO_WINDOW_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
- iattributes[niattribs++] = GL.WGL_PIXEL_TYPE_ARB;
- iattributes[niattribs++] = GL.WGL_TYPE_RGBA_ARB;
- iattributes[niattribs++] = GL.WGL_DOUBLE_BUFFER_ARB;
- if (capabilities.getDoubleBuffered()) {
- iattributes[niattribs++] = GL.GL_TRUE;
- } else {
- iattributes[niattribs++] = GL.GL_FALSE;
- }
- iattributes[niattribs++] = GL.WGL_STEREO_ARB;
- if (capabilities.getStereo()) {
- iattributes[niattribs++] = GL.GL_TRUE;
- } else {
- iattributes[niattribs++] = GL.GL_FALSE;
- }
- iattributes[niattribs++] = GL.WGL_DEPTH_BITS_ARB;
- iattributes[niattribs++] = capabilities.getDepthBits();
- iattributes[niattribs++] = GL.WGL_RED_BITS_ARB;
- iattributes[niattribs++] = capabilities.getRedBits();
- iattributes[niattribs++] = GL.WGL_GREEN_BITS_ARB;
- iattributes[niattribs++] = capabilities.getGreenBits();
- iattributes[niattribs++] = GL.WGL_BLUE_BITS_ARB;
- iattributes[niattribs++] = capabilities.getBlueBits();
- iattributes[niattribs++] = GL.WGL_ALPHA_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAlphaBits();
- iattributes[niattribs++] = GL.WGL_STENCIL_BITS_ARB;
- iattributes[niattribs++] = capabilities.getStencilBits();
- if (capabilities.getAccumRedBits() > 0 ||
- capabilities.getAccumGreenBits() > 0 ||
- capabilities.getAccumBlueBits() > 0 ||
- capabilities.getAccumAlphaBits() > 0) {
- iattributes[niattribs++] = GL.WGL_ACCUM_BITS_ARB;
- iattributes[niattribs++] = (capabilities.getAccumRedBits() +
- capabilities.getAccumGreenBits() +
- capabilities.getAccumBlueBits() +
- capabilities.getAccumAlphaBits());
- iattributes[niattribs++] = GL.WGL_ACCUM_RED_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAccumRedBits();
- iattributes[niattribs++] = GL.WGL_ACCUM_GREEN_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAccumGreenBits();
- iattributes[niattribs++] = GL.WGL_ACCUM_BLUE_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAccumBlueBits();
- iattributes[niattribs++] = GL.WGL_ACCUM_ALPHA_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAccumAlphaBits();
- }
- if (haveWGLARBMultisample) {
- if (capabilities.getSampleBuffers()) {
- iattributes[niattribs++] = GL.WGL_SAMPLE_BUFFERS_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
- iattributes[niattribs++] = GL.WGL_SAMPLES_ARB;
- iattributes[niattribs++] = capabilities.getNumSamples();
- }
- }
-
- int[] pformats = new int[MAX_PFORMATS];
- int[] numFormatsTmp = new int[1];
- if (dummyGL.wglChoosePixelFormatARB(hdc,
- iattributes,
- fattributes,
- MAX_PFORMATS,
- pformats,
- numFormatsTmp)) {
- numFormats = numFormatsTmp[0];
- if (numFormats > 0) {
- // Remove one-basing of pixel format (added on later)
- recommendedPixelFormat = pformats[0] - 1;
- if (DEBUG) {
- System.err.println(getThreadName() + ": Used wglChoosePixelFormatARB to recommend pixel format " + recommendedPixelFormat);
- }
- }
- } else {
- if (DEBUG) {
- System.err.println(getThreadName() + ": wglChoosePixelFormatARB failed: " + WGL.GetLastError() );
- Thread.dumpStack();
- }
- }
- if (DEBUG) {
- if (recommendedPixelFormat < 0) {
- System.err.print(getThreadName() + ": wglChoosePixelFormatARB didn't recommend a pixel format");
- if (capabilities.getSampleBuffers()) {
- System.err.print(" for multisampled GLCapabilities");
- }
- System.err.println();
- }
- }
-
- // Produce a list of GLCapabilities to give to the
- // GLCapabilitiesChooser.
- // Use wglGetPixelFormatAttribivARB instead of
- // DescribePixelFormat to get higher-precision information
- // about the pixel format (should make the GLCapabilities
- // more precise as well...i.e., remove the
- // "HardwareAccelerated" bit, which is basically
- // meaningless, and put in whether it can render to a
- // window, to a pbuffer, or to a pixmap)
- niattribs = 0;
- iattributes[0] = GL.WGL_NUMBER_PIXEL_FORMATS_ARB;
- if (dummyGL.wglGetPixelFormatAttribivARB(hdc, 0, 0, 1, iattributes, iresults)) {
- numFormats = iresults[0];
- // Should we be filtering out the pixel formats which aren't
- // applicable, as we are doing here?
- // We don't have enough information in the GLCapabilities to
- // represent those that aren't...
- iattributes[niattribs++] = GL.WGL_DRAW_TO_WINDOW_ARB;
- iattributes[niattribs++] = GL.WGL_ACCELERATION_ARB;
- iattributes[niattribs++] = GL.WGL_SUPPORT_OPENGL_ARB;
- iattributes[niattribs++] = GL.WGL_DEPTH_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_STENCIL_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_DOUBLE_BUFFER_ARB;
- iattributes[niattribs++] = GL.WGL_STEREO_ARB;
- iattributes[niattribs++] = GL.WGL_PIXEL_TYPE_ARB;
- iattributes[niattribs++] = GL.WGL_RED_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_GREEN_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_BLUE_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ALPHA_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ACCUM_RED_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ACCUM_GREEN_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ACCUM_BLUE_BITS_ARB;
- iattributes[niattribs++] = GL.WGL_ACCUM_ALPHA_BITS_ARB;
- if (haveWGLARBMultisample) {
- iattributes[niattribs++] = GL.WGL_SAMPLE_BUFFERS_ARB;
- iattributes[niattribs++] = GL.WGL_SAMPLES_ARB;
- }
-
- availableCaps = new GLCapabilities[numFormats];
- for (int i = 0; i < numFormats; i++) {
- if (!dummyGL.wglGetPixelFormatAttribivARB(hdc, i+1, 0, niattribs, iattributes, iresults)) {
- throw new GLException("Error getting pixel format attributes for pixel format " + (i + 1) + " of device context");
- }
- availableCaps[i] = iattributes2GLCapabilities(iattributes, iresults, niattribs, true);
- }
- if( freeWGLC ) {
- WGL.wglMakeCurrent( 0, 0 );
- }
- gotAvailableCaps = true;
- } else {
- int lastErr = WGL.GetLastError();
- // Intel Extreme graphics fails with a zero error code
- if (lastErr != 0) {
- throw new GLException("Unable to enumerate pixel formats of window using wglGetPixelFormatAttribivARB: error code " + WGL.GetLastError());
- }
- }
- }
-
- if (!gotAvailableCaps) {
- if (DEBUG) {
- if (!capabilities.getSampleBuffers()) {
- System.err.println(getThreadName() + ": Using ChoosePixelFormat because multisampling not requested");
- } else {
- System.err.println(getThreadName() + ": Using ChoosePixelFormat because no wglChoosePixelFormatARB: dummyGL = " + dummyGL);
- }
- }
- pfd = glCapabilities2PFD(capabilities, onscreen);
- // Remove one-basing of pixel format (added on later)
- recommendedPixelFormat = WGL.ChoosePixelFormat(hdc, pfd) - 1;
-
- numFormats = WGL.DescribePixelFormat(hdc, 1, 0, null);
- if (numFormats == 0) {
- throw new GLException("Unable to enumerate pixel formats of window for GLCapabilitiesChooser");
- }
- availableCaps = new GLCapabilities[numFormats];
- for (int i = 0; i < numFormats; i++) {
- if (WGL.DescribePixelFormat(hdc, 1 + i, pfd.size(), pfd) == 0) {
- throw new GLException("Error describing pixel format " + (1 + i) + " of device context");
- }
- availableCaps[i] = pfd2GLCapabilities(pfd);
- }
- }
-
- // Supply information to chooser
- pixelFormat = chooser.chooseCapabilities(capabilities, availableCaps, recommendedPixelFormat);
- if ((pixelFormat < 0) || (pixelFormat >= numFormats)) {
- throw new GLException("Invalid result " + pixelFormat +
- " from GLCapabilitiesChooser (should be between 0 and " +
- (numFormats - 1) + ")");
- }
- if (DEBUG) {
- System.err.println(getThreadName() + ": Chosen pixel format (" + pixelFormat + "):");
- System.err.println(availableCaps[pixelFormat]);
- }
- pixelFormat += 1; // one-base the index
- if (WGL.DescribePixelFormat(hdc, pixelFormat, pfd.size(), pfd) == 0) {
- throw new GLException("Error re-describing the chosen pixel format: " + WGL.GetLastError());
- }
- } else {
- // For now, use ChoosePixelFormat for offscreen surfaces until
- // we figure out how to properly choose an offscreen-
- // compatible pixel format
- pfd = glCapabilities2PFD(capabilities, onscreen);
- pixelFormat = WGL.ChoosePixelFormat(hdc, pfd);
- }
- if (!WGL.SetPixelFormat(hdc, pixelFormat, pfd)) {
- int lastError = WGL.GetLastError();
- if (DEBUG) {
- System.err.println(getThreadName() + ": SetPixelFormat failed: current context = " + WGL.wglGetCurrentContext() +
- ", current DC = " + WGL.wglGetCurrentDC());
- System.err.println(getThreadName() + ": GetPixelFormat(hdc " + hdcToString(hdc) + ") returns " + WGL.GetPixelFormat(hdc));
- }
- throw new GLException("Unable to set pixel format " + pixelFormat + " for device context " + hdcToString(hdc) + ": error code " + lastError);
- }
- hglrc = WGL.wglCreateContext(hdc);
- if (DEBUG) {
- System.err.println(getThreadName() + ": !!! Created OpenGL context " + hglrc + " for device context " + hdcToString(hdc) + " using pixel format " + pixelFormat);
- }
- if (hglrc == 0) {
- throw new GLException("Unable to create OpenGL context");
- }
- }
-
- protected long getHGLRC() {
- return hglrc;
- }
-
- static PIXELFORMATDESCRIPTOR glCapabilities2PFD(GLCapabilities caps, boolean onscreen) {
- int colorDepth = (caps.getRedBits() +
- caps.getGreenBits() +
- caps.getBlueBits());
- if (colorDepth < 15) {
- throw new GLException("Bit depths < 15 (i.e., non-true-color) not supported");
- }
- PIXELFORMATDESCRIPTOR pfd = newPixelFormatDescriptor();
- int pfdFlags = (WGL.PFD_SUPPORT_OPENGL |
- WGL.PFD_GENERIC_ACCELERATED);
- if (caps.getDoubleBuffered()) {
- pfdFlags |= WGL.PFD_DOUBLEBUFFER;
- }
- if (onscreen) {
- pfdFlags |= WGL.PFD_DRAW_TO_WINDOW;
- } else {
- pfdFlags |= WGL.PFD_DRAW_TO_BITMAP;
- }
- pfd.dwFlags(pfdFlags);
- pfd.iPixelType((byte) WGL.PFD_TYPE_RGBA);
- pfd.cColorBits((byte) colorDepth);
- pfd.cRedBits ((byte) caps.getRedBits());
- pfd.cGreenBits((byte) caps.getGreenBits());
- pfd.cBlueBits ((byte) caps.getBlueBits());
- pfd.cAlphaBits((byte) caps.getAlphaBits());
- int accumDepth = (caps.getAccumRedBits() +
- caps.getAccumGreenBits() +
- caps.getAccumBlueBits());
- pfd.cAccumBits ((byte) accumDepth);
- pfd.cAccumRedBits ((byte) caps.getAccumRedBits());
- pfd.cAccumGreenBits((byte) caps.getAccumGreenBits());
- pfd.cAccumBlueBits ((byte) caps.getAccumBlueBits());
- pfd.cAccumAlphaBits((byte) caps.getAccumAlphaBits());
- pfd.cDepthBits((byte) caps.getDepthBits());
- pfd.cStencilBits((byte) caps.getStencilBits());
- pfd.iLayerType((byte) WGL.PFD_MAIN_PLANE);
- return pfd;
- }
-
- static PIXELFORMATDESCRIPTOR newPixelFormatDescriptor() {
- PIXELFORMATDESCRIPTOR pfd = new PIXELFORMATDESCRIPTOR();
- pfd.nSize((short) pfd.size());
- pfd.nVersion((short) 1);
- return pfd;
- }
-
- static GLCapabilities pfd2GLCapabilities(PIXELFORMATDESCRIPTOR pfd) {
- if ((pfd.dwFlags() & WGL.PFD_SUPPORT_OPENGL) == 0) {
- return null;
- }
- GLCapabilities res = new GLCapabilities();
- res.setRedBits (pfd.cRedBits());
- res.setGreenBits (pfd.cGreenBits());
- res.setBlueBits (pfd.cBlueBits());
- res.setAlphaBits (pfd.cAlphaBits());
- res.setAccumRedBits (pfd.cAccumRedBits());
- res.setAccumGreenBits(pfd.cAccumGreenBits());
- res.setAccumBlueBits (pfd.cAccumBlueBits());
- res.setAccumAlphaBits(pfd.cAccumAlphaBits());
- res.setDepthBits (pfd.cDepthBits());
- res.setStencilBits (pfd.cStencilBits());
- res.setDoubleBuffered((pfd.dwFlags() & WGL.PFD_DOUBLEBUFFER) != 0);
- res.setStereo ((pfd.dwFlags() & WGL.PFD_STEREO) != 0);
- res.setHardwareAccelerated(((pfd.dwFlags() & WGL.PFD_GENERIC_FORMAT) == 0) ||
- ((pfd.dwFlags() & WGL.PFD_GENERIC_ACCELERATED) != 0));
- return res;
- }
-
- static GLCapabilities iattributes2GLCapabilities(int[] iattribs,
- int[] iresults,
- int niattribs,
- boolean requireRenderToWindow) {
- GLCapabilities res = new GLCapabilities();
- for (int i = 0; i < niattribs; i++) {
- switch (iattribs[i]) {
- case GL.WGL_DRAW_TO_WINDOW_ARB:
- if (iresults[i] != GL.GL_TRUE)
- return null;
- break;
-
- case GL.WGL_ACCELERATION_ARB:
- res.setHardwareAccelerated(iresults[i] == GL.WGL_FULL_ACCELERATION_ARB);
- break;
-
- case GL.WGL_SUPPORT_OPENGL_ARB:
- if (iresults[i] != GL.GL_TRUE)
- return null;
- break;
-
- case GL.WGL_DEPTH_BITS_ARB:
- res.setDepthBits(iresults[i]);
- break;
-
- case GL.WGL_STENCIL_BITS_ARB:
- res.setStencilBits(iresults[i]);
- break;
-
- case GL.WGL_DOUBLE_BUFFER_ARB:
- res.setDoubleBuffered(iresults[i] == GL.GL_TRUE);
- break;
-
- case GL.WGL_STEREO_ARB:
- res.setStereo(iresults[i] == GL.GL_TRUE);
- break;
-
- case GL.WGL_PIXEL_TYPE_ARB:
- if (iresults[i] != GL.WGL_TYPE_RGBA_ARB)
- return null;
- break;
-
- case GL.WGL_RED_BITS_ARB:
- res.setRedBits(iresults[i]);
- break;
-
- case GL.WGL_GREEN_BITS_ARB:
- res.setGreenBits(iresults[i]);
- break;
-
- case GL.WGL_BLUE_BITS_ARB:
- res.setBlueBits(iresults[i]);
- break;
-
- case GL.WGL_ALPHA_BITS_ARB:
- res.setAlphaBits(iresults[i]);
- break;
-
- case GL.WGL_ACCUM_RED_BITS_ARB:
- res.setAccumRedBits(iresults[i]);
- break;
-
- case GL.WGL_ACCUM_GREEN_BITS_ARB:
- res.setAccumGreenBits(iresults[i]);
- break;
-
- case GL.WGL_ACCUM_BLUE_BITS_ARB:
- res.setAccumBlueBits(iresults[i]);
- break;
-
- case GL.WGL_ACCUM_ALPHA_BITS_ARB:
- res.setAccumAlphaBits(iresults[i]);
- break;
-
- case GL.WGL_SAMPLE_BUFFERS_ARB:
- res.setSampleBuffers(iresults[i] == GL.GL_TRUE);
- break;
-
- case GL.WGL_SAMPLES_ARB:
- res.setNumSamples(iresults[i]);
- break;
-
- default:
- throw new GLException("Unknown pixel format attribute " + iattribs[i]);
- }
- }
- return res;
- }
-
- protected static String hdcToString(long hdc) {
- return "0x" + Long.toHexString(hdc);
- }
-
- protected boolean haveWGLARBPbuffer() {
- return haveWGLARBPbuffer;
- }
-}
diff --git a/src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java b/src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java
deleted file mode 100644
index dd6f8daca..000000000
--- a/src/net/java/games/jogl/impl/windows/WindowsGLContextFactory.java
+++ /dev/null
@@ -1,361 +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.windows;
-
-import java.awt.Component;
-import java.awt.GraphicsConfiguration;
-import java.awt.GraphicsDevice;
-import java.awt.Rectangle;
-import java.io.File;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import java.util.Collection;
-import java.util.Iterator;
-import net.java.games.jogl.*;
-import net.java.games.jogl.impl.*;
-
-public class WindowsGLContextFactory extends GLContextFactory {
- private static final boolean DEBUG = Debug.debug("WindowsGLContextFactory");
- private static final boolean VERBOSE = Debug.verbose();
-
- // On Windows we want to be able to use some extension routines like
- // wglChoosePixelFormatARB during the creation of the user's first
- // GLContext. However, this and other routines' function pointers
- // aren't loaded by the driver until the first OpenGL context is
- // created. The standard way of working around this chicken-and-egg
- // problem is to create a dummy window, show it, send it a paint
- // message, create an OpenGL context, fetch the needed function
- // pointers, and then destroy the dummy window and context. It turns
- // out that ATI cards need the dummy context to be current while
- // wglChoosePixelFormatARB is called, so we cache the extension
- // strings the dummy context reports as being available.
- private static Map/*<GraphicsDevice, GL>*/ dummyContextMap = new HashMap();
- private static Map/*<GraphicsDevice, String>*/ dummyExtensionsMap = new HashMap();
- private static Set/*<GraphicsDevice >*/ pendingContextSet = new HashSet();
-
- public WindowsGLContextFactory() {
- AccessController.doPrivileged( new PrivilegedAction() {
- public Object run() {
- Runtime.getRuntime().addShutdownHook( new ShutdownHook() );
-
- // Test for whether we should enable the single-threaded
- // workaround for ATI cards. It appears that if we make any
- // OpenGL context current on more than one thread on ATI cards
- // on Windows then we see random failures like the inability
- // to create more OpenGL contexts, or having just the next
- // OpenGL SetPixelFormat operation fail with a GetNextError()
- // code of 0 (but subsequent ones on subsequently-created
- // windows succeed). These kinds of failures are obviously due
- // to bugs in ATI's OpenGL drivers. Through trial and error it
- // was found that specifying
- // -DJOGL_SINGLE_THREADED_WORKAROUND=true on the command line
- // caused these problems to completely disappear. Therefore at
- // least on Windows we try to enable the single-threaded
- // workaround before creating any OpenGL contexts. In the
- // future, if problems are encountered on other platforms and
- // -DJOGL_SINGLE_THREADED_WORKAROUND=true works around them,
- // we may want to implement a workaround like this on other
- // platforms.
-
- // The algorithm here is to try to find the system directory
- // (assuming it is on the same drive as TMPDIR, exposed
- // through the system property java.io.tmpdir) and see whether
- // a known file in the ATI drivers is present; if it is, we
- // enable the single-threaded workaround.
-
- // If any path down this code fails, we simply bail out -- we
- // don't go to great lengths to figure out if the ATI drivers
- // are present. We could add more checks here in the future if
- // these appear to be insufficient.
-
- String tmpDirProp = System.getProperty("java.io.tmpdir");
- if (tmpDirProp != null) {
- File file = new File(tmpDirProp);
- if (file.isAbsolute()) {
- File parent = null;
- do {
- parent = file.getParentFile();
- if (parent != null) {
- file = parent;
- }
- } while (parent != null);
- // Now the file contains just the drive letter
- file = new File(new File(new File(file, "windows"), "system32"), "atioglxx.dll");
- if (file.exists()) {
- SingleThreadedWorkaround.shouldDoWorkaround();
- }
- }
- }
-
- return( null );
- }
- });
- }
-
- public GraphicsConfiguration chooseGraphicsConfiguration(GLCapabilities capabilities,
- GLCapabilitiesChooser chooser,
- GraphicsDevice device) {
- return null;
- }
-
- public GLContext createGLContext(Component component,
- GLCapabilities capabilities,
- GLCapabilitiesChooser chooser,
- GLContext shareWith) {
- if (component != null) {
- return new WindowsOnscreenGLContext(component, capabilities, chooser, shareWith);
- } else {
- return new WindowsOffscreenGLContext(capabilities, chooser, shareWith);
- }
- }
-
- // Return cached GL context
- public static WindowsGLContext getDummyGLContext( final GraphicsDevice device ) {
- checkForDummyContext( device );
- NativeWindowStruct nws = (NativeWindowStruct) dummyContextMap.get(device);
- return nws.getWindowsContext();
- }
-
- // Return cached extension string
- public static String getDummyGLExtensions(final GraphicsDevice device) {
- checkForDummyContext( device );
- String exts = (String) dummyExtensionsMap.get(device);
- return (exts == null) ? "" : exts;
- }
-
- // Return cached GL function pointers
- public static GL getDummyGL(final GraphicsDevice device) {
- checkForDummyContext( device );
- NativeWindowStruct nws = (NativeWindowStruct) dummyContextMap.get(device);
- return( nws.getWindowsContext().getGL() );
- }
-
- /*
- * Locate a cached native window, if one doesn't exist create one amd
- * cache it.
- */
- private static void checkForDummyContext( final GraphicsDevice device ) {
- if (!pendingContextSet.contains(device) && !dummyContextMap.containsKey( device ) ) {
- if (DEBUG) {
- System.err.println("WindowsGLContextFactory.checkForDummyContext() called on thread " +
- Thread.currentThread().getName());
- }
-
- pendingContextSet.add(device);
- GraphicsConfiguration config = device.getDefaultConfiguration();
- Rectangle rect = config.getBounds();
- GLCapabilities caps = new GLCapabilities();
- caps.setDepthBits( 16 );
- // Create a context that we use to query pixel formats
- WindowsOnscreenGLContext context = new WindowsOnscreenGLContext( null, caps, null, null );
- // Start a native thread and grab native screen resources from the thread
- NativeWindowThread nwt = new NativeWindowThread( rect );
- nwt.start();
- long hWnd = 0;
- long tempHDC = 0;
- while( (hWnd = nwt.getHWND()) == 0 || (tempHDC = nwt.getHDC()) == 0 ) {
- Thread.yield();
- }
- // Choose a hardware accelerated pixel format
- PIXELFORMATDESCRIPTOR pfd = context.glCapabilities2PFD( caps, true );
- int pixelFormat = WGL.ChoosePixelFormat( tempHDC, pfd );
- if( pixelFormat == 0 ) {
- System.err.println("Pixel Format is Zero");
- pendingContextSet.remove(device);
- return;
- }
- // Set the hardware accelerated pixel format
- if (!WGL.SetPixelFormat(tempHDC, pixelFormat, pfd)) {
- System.err.println("SetPixelFormat Failed");
- pendingContextSet.remove( device );
- return;
- }
- // Create a rendering context
- long tempHGLRC = WGL.wglCreateContext( tempHDC );
- if( hWnd == 0 || tempHDC == 0 || tempHGLRC == 0 ) {
- pendingContextSet.remove( device );
- return;
- }
- // Store native handles for later use
- NativeWindowStruct nws = new NativeWindowStruct();
- nws.setHWND( hWnd );
- nws.setWindowsContext( context );
- nws.setWindowThread( nwt );
- long currentHDC = WGL.wglGetCurrentDC();
- long currentHGLRC = WGL.wglGetCurrentContext();
- // Make the new hardware accelerated context current
- if( !WGL.wglMakeCurrent( tempHDC, tempHGLRC ) ) {
- pendingContextSet.remove( device );
- return;
- }
- // Grab function pointers
- context.hdc = tempHDC;
- context.hglrc = tempHGLRC;
- context.resetGLFunctionAvailability();
- context.createGL();
- pendingContextSet.remove( device );
- dummyContextMap.put( device, nws );
- String availableGLExtensions = "";
- String availableWGLExtensions = "";
- String availableEXTExtensions = "";
- try {
- availableWGLExtensions = context.getGL().wglGetExtensionsStringARB( currentHDC );
- } catch( GLException e ) {
- }
- try {
- availableEXTExtensions = context.getGL().wglGetExtensionsStringEXT();
- } catch( GLException e ) {
- }
- availableGLExtensions = context.getGL().glGetString( GL.GL_EXTENSIONS );
- dummyExtensionsMap.put(device, availableGLExtensions + " " + availableEXTExtensions + " " + availableWGLExtensions);
- WGL.wglMakeCurrent( currentHDC, currentHGLRC );
- }
- }
-
- /*
- * This class stores handles to native resources that need to be destroyed
- * at JVM shutdown.
- */
- static class NativeWindowStruct {
- private long HWND;
- private WindowsGLContext windowsContext;
- private Thread windowThread;
-
- public NativeWindowStruct() {
- }
-
- public long getHDC() {
- return( windowsContext.hdc );
- }
-
- public long getHGLRC() {
- return( windowsContext.hglrc );
- }
-
- public void setHWND( long hwnd ) {
- HWND = hwnd;
- }
-
- public long getHWND() {
- return( HWND );
- }
-
- public void setWindowsContext( WindowsGLContext context ) {
- windowsContext = context;
- }
-
- public WindowsGLContext getWindowsContext() {
- return( windowsContext );
- }
-
- public void setWindowThread( Thread thread ) {
- windowThread = thread;
- }
-
- public Thread getWindowThread() {
- return( windowThread );
- }
- }
-
- /*
- * Native HWDN and HDC handles must be created and destroyed on the same
- * thread.
- */
-
- static class NativeWindowThread extends Thread {
- private long HWND = 0;
- private long HDC = 0;
- private Rectangle rectangle;
-
- public NativeWindowThread( Rectangle rect ) {
- rectangle = rect;
- }
-
- public synchronized long getHWND() {
- return( HWND );
- }
-
- public synchronized long getHDC() {
- return( HDC );
- }
-
- public void run() {
- // Create a native window and device context
- synchronized (WindowsGLContextFactory.class) {
- HWND = WGL.CreateDummyWindow( rectangle.x, rectangle.y, rectangle.width, rectangle.height );
- }
- HDC = WGL.GetDC( HWND );
-
- // Start the message pump at shutdown
- WGL.NativeEventLoop();
- }
- }
-
- /*
- * This class is registered with the JVM to destroy all cached redering
- * contexts, device contexts, and window handles.
- */
-
- class ShutdownHook extends Thread {
- public void run() {
- // Collect all saved screen resources
- Collection c = dummyContextMap.values();
- Iterator iter = c.iterator();
- while( iter.hasNext() ) {
- // NativeWindowStruct holds refs to native resources that need to be destroyed
- NativeWindowStruct struct = (NativeWindowStruct)iter.next();
- // Restart native window threads to respond to window closing events
- synchronized( struct.getWindowThread() ) {
- struct.getWindowThread().notifyAll();
- }
- // Destroy OpenGL rendering context
- if( !WGL.wglDeleteContext( struct.getHGLRC() ) ) {
- System.err.println( "Error Destroying NativeWindowStruct RC: " + WGL.GetLastError() );
- }
- // Send context handles to native method for deletion
- WGL.DestroyDummyWindow( struct.getHWND(), struct.getHDC() );
- }
- }
- }
-}
diff --git a/src/net/java/games/jogl/impl/windows/WindowsOffscreenGLContext.java b/src/net/java/games/jogl/impl/windows/WindowsOffscreenGLContext.java
deleted file mode 100644
index c70607da7..000000000
--- a/src/net/java/games/jogl/impl/windows/WindowsOffscreenGLContext.java
+++ /dev/null
@@ -1,176 +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.windows;
-
-import java.awt.image.BufferedImage;
-import net.java.games.jogl.*;
-import net.java.games.jogl.impl.*;
-
-public class WindowsOffscreenGLContext extends WindowsGLContext {
- private long origbitmap;
- private long hbitmap;
- // Width and height of the underlying bitmap
- private int width;
- private int height;
-
- public WindowsOffscreenGLContext(GLCapabilities capabilities,
- GLCapabilitiesChooser chooser,
- GLContext shareWith) {
- super(null, capabilities, chooser, shareWith);
- }
-
- protected GL createGL()
- {
- return new WindowsGLImpl(this);
- }
-
- protected boolean isOffscreen() {
- return true;
- }
-
- public int getOffscreenContextWidth() {
- return width;
- }
-
- public int getOffscreenContextHeight() {
- return height;
- }
-
- public int getOffscreenContextPixelDataType() {
- return GL.GL_UNSIGNED_BYTE;
- }
-
- public int getOffscreenContextReadBuffer() {
- // On Windows these contexts are always single-buffered
- return GL.GL_FRONT;
- }
-
- public boolean offscreenImageNeedsVerticalFlip() {
- // We can take care of this in the DIB creation (see below)
- return false;
- }
-
- public boolean canCreatePbufferContext() {
- // For now say no
- return false;
- }
-
- public synchronized GLContext createPbufferContext(GLCapabilities capabilities,
- int initialWidth,
- int initialHeight) {
- throw new GLException("Not supported");
- }
-
- public void bindPbufferToTexture() {
- throw new GLException("Should not call this");
- }
-
- public void releasePbufferFromTexture() {
- throw new GLException("Should not call this");
- }
-
- protected synchronized boolean makeCurrent(Runnable initAction) throws GLException {
- if (pendingOffscreenResize) {
- if (pendingOffscreenWidth != width || pendingOffscreenHeight != height) {
- if (hglrc != 0) {
- destroyImpl();
- }
- width = pendingOffscreenWidth;
- height = pendingOffscreenHeight;
- pendingOffscreenResize = false;
- }
- }
- return super.makeCurrent(initAction);
- }
-
- protected void destroyImpl() {
- if (hglrc != 0) {
- super.destroyImpl();
- // Must destroy OpenGL context, bitmap and device context
- WGL.SelectObject(hdc, origbitmap);
- WGL.DeleteObject(hbitmap);
- WGL.DeleteDC(hdc);
- origbitmap = 0;
- hbitmap = 0;
- hdc = 0;
- }
- }
-
- public synchronized void swapBuffers() throws GLException {
- }
-
- protected void create() {
- BITMAPINFO info = new BITMAPINFO();
- BITMAPINFOHEADER header = info.bmiHeader();
- int bitsPerPixel = (capabilities.getRedBits() +
- capabilities.getGreenBits() +
- capabilities.getBlueBits());
- header.biSize(header.size());
- header.biWidth(width);
- // NOTE: negating the height causes the DIB to be in top-down row
- // order rather than bottom-up; ends up being correct during pixel
- // readback
- header.biHeight(-1 * height);
- header.biPlanes((short) 1);
- header.biBitCount((short) bitsPerPixel);
- header.biXPelsPerMeter(0);
- header.biYPelsPerMeter(0);
- header.biClrUsed(0);
- header.biClrImportant(0);
- header.biCompression(WGL.BI_RGB);
- header.biSizeImage(width * height * bitsPerPixel / 8);
-
- hdc = WGL.CreateCompatibleDC(0);
- if (hdc == 0) {
- System.out.println("LastError: " + WGL.GetLastError());
- throw new GLException("Error creating device context for offscreen OpenGL context");
- }
- hbitmap = WGL.CreateDIBSection(hdc, info, WGL.DIB_RGB_COLORS, 0, 0, 0);
- if (hbitmap == 0) {
- throw new GLException("Error creating offscreen bitmap of width " + width +
- ", height " + height);
- }
- if ((origbitmap = WGL.SelectObject(hdc, hbitmap)) == 0) {
- throw new GLException("Error selecting bitmap into new device context");
- }
-
- choosePixelFormatAndCreateContext(false);
- }
-}
diff --git a/src/net/java/games/jogl/impl/windows/WindowsOnscreenGLContext.java b/src/net/java/games/jogl/impl/windows/WindowsOnscreenGLContext.java
deleted file mode 100644
index 0dc1818fb..000000000
--- a/src/net/java/games/jogl/impl/windows/WindowsOnscreenGLContext.java
+++ /dev/null
@@ -1,228 +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.windows;
-
-import java.awt.Component;
-import java.util.*;
-
-import net.java.games.jogl.*;
-import net.java.games.jogl.impl.*;
-
-public class WindowsOnscreenGLContext extends WindowsGLContext {
- // Variables for lockSurface/unlockSurface
- JAWT_DrawingSurface ds;
- JAWT_DrawingSurfaceInfo dsi;
- JAWT_Win32DrawingSurfaceInfo win32dsi;
-
- // Variables for pbuffer support
- List pbuffersToInstantiate = new ArrayList();
-
- public WindowsOnscreenGLContext(Component component,
- GLCapabilities capabilities,
- GLCapabilitiesChooser chooser,
- GLContext shareWith) {
- super(component, capabilities, chooser, shareWith);
- }
-
- public void invokeGL(Runnable runnable, boolean isReshape, Runnable initAction) throws GLException {
- // Unfortunately, invokeGL can be called with the AWT tree lock
- // held, and the Windows onscreen implementation of
- // choosePixelFormatAndCreateContext calls
- // Component.getGraphicsConfiguration(), which grabs the tree
- // lock. To avoid deadlock we have to lock the tree lock before
- // grabbing the GLContext's lock if we're going to create an
- // OpenGL context during this call. This code might not be
- // completely correct, and we might need to uniformly grab the AWT
- // tree lock, which might become a performance issue...
- if (hglrc == 0) {
- synchronized(component.getTreeLock()) {
- super.invokeGL(runnable, isReshape, initAction);
- }
- } else {
- super.invokeGL(runnable, isReshape, initAction);
- }
- }
-
- protected GL createGL()
- {
- return new WindowsGLImpl(this);
- }
-
- protected boolean isOffscreen() {
- return false;
- }
-
- public int getOffscreenContextReadBuffer() {
- throw new GLException("Should not call this");
- }
-
- public boolean offscreenImageNeedsVerticalFlip() {
- throw new GLException("Should not call this");
- }
-
- public boolean canCreatePbufferContext() {
- return haveWGLARBPbuffer();
- }
-
- public synchronized GLContext createPbufferContext(GLCapabilities capabilities,
- int initialWidth,
- int initialHeight) {
- WindowsPbufferGLContext ctx = new WindowsPbufferGLContext(capabilities, initialWidth, initialHeight);
- pbuffersToInstantiate.add(ctx);
- return ctx;
- }
-
- public void bindPbufferToTexture() {
- throw new GLException("Should not call this");
- }
-
- public void releasePbufferFromTexture() {
- throw new GLException("Should not call this");
- }
-
- protected synchronized boolean makeCurrent(Runnable initAction) throws GLException {
- try {
- if (!lockSurface()) {
- return false;
- }
- boolean ret = super.makeCurrent(initAction);
- if (ret) {
- // Instantiate any pending pbuffers
- while (!pbuffersToInstantiate.isEmpty()) {
- WindowsPbufferGLContext ctx =
- (WindowsPbufferGLContext) pbuffersToInstantiate.remove(pbuffersToInstantiate.size() - 1);
- ctx.createPbuffer(hdc, hglrc);
- }
- }
- return ret;
- } catch (RuntimeException e) {
- try {
- unlockSurface();
- } catch (Exception e2) {
- // do nothing if unlockSurface throws
- }
- throw(e);
- }
- }
-
- protected synchronized void free() throws GLException {
- try {
- super.free();
- } finally {
- unlockSurface();
- }
- }
-
- public synchronized void swapBuffers() throws GLException {
- if (!WGL.SwapBuffers(hdc) && (WGL.GetLastError() != 0)) {
- throw new GLException("Error swapping buffers");
- }
- }
-
- private boolean lockSurface() throws GLException {
- if (hdc != 0) {
- throw new GLException("Surface already locked");
- }
- ds = getJAWT().GetDrawingSurface(component);
- if (ds == null) {
- // Widget not yet realized
- return false;
- }
- int res = ds.Lock();
- if ((res & JAWTFactory.JAWT_LOCK_ERROR) != 0) {
- throw new GLException("Unable to lock surface");
- }
- // See whether the surface changed and if so destroy the old
- // OpenGL context so it will be recreated (NOTE: removeNotify
- // should handle this case, but it may be possible that race
- // conditions can cause this code to be triggered -- should test
- // more)
- if ((res & JAWTFactory.JAWT_LOCK_SURFACE_CHANGED) != 0) {
- if (hglrc != 0) {
- if (!WGL.wglDeleteContext(hglrc)) {
- throw new GLException("Unable to delete old GL context after surface changed");
- }
- GLContextShareSet.contextDestroyed(this);
- if (DEBUG) {
- System.err.println(getThreadName() + ": !!! Destroyed OpenGL context " + hglrc + " due to JAWT_LOCK_SURFACE_CHANGED");
- }
- hglrc = 0;
- }
- }
- dsi = ds.GetDrawingSurfaceInfo();
- if (dsi == null) {
- // Widget not yet realized
- ds.Unlock();
- getJAWT().FreeDrawingSurface(ds);
- ds = null;
- return false;
- }
- win32dsi = (JAWT_Win32DrawingSurfaceInfo) dsi.platformInfo();
- hdc = win32dsi.hdc();
- if (hdc == 0) {
- // Widget not yet realized
- ds.FreeDrawingSurfaceInfo(dsi);
- ds.Unlock();
- getJAWT().FreeDrawingSurface(ds);
- ds = null;
- dsi = null;
- win32dsi = null;
- return false;
- }
- return true;
- }
-
- private void unlockSurface() {
- if (hdc == 0) {
- throw new GLException("Surface already unlocked");
- }
- ds.FreeDrawingSurfaceInfo(dsi);
- ds.Unlock();
- getJAWT().FreeDrawingSurface(ds);
- ds = null;
- dsi = null;
- win32dsi = null;
- hdc = 0;
- }
-
- protected void create() {
- choosePixelFormatAndCreateContext(true);
- }
-}
diff --git a/src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java b/src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java
deleted file mode 100644
index 1d5d78296..000000000
--- a/src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java
+++ /dev/null
@@ -1,529 +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.windows;
-
-import net.java.games.jogl.*;
-import net.java.games.jogl.impl.*;
-
-public class WindowsPbufferGLContext extends WindowsGLContext {
- private static final boolean DEBUG = Debug.debug("WindowsPbufferGLContext");
-
- private int initWidth;
- private int initHeight;
-
- private long buffer; // pbuffer handle
- private int width;
- private int height;
-
- // FIXME: kept around because we create the OpenGL context lazily to
- // better integrate with the WindowsGLContext framework
- private long parentHglrc;
-
- private static final int MAX_PFORMATS = 256;
- private static final int MAX_ATTRIBS = 256;
-
- // State for render-to-texture and render-to-texture-rectangle support
- private boolean created;
- private boolean rtt; // render-to-texture?
- private boolean hasRTT; // render-to-texture extension available?
- private boolean rect; // render-to-texture-rectangle?
- private int textureTarget; // e.g. GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE_NV
- private int texture; // actual texture object
- private int floatMode;
-
- public WindowsPbufferGLContext(GLCapabilities capabilities, int initialWidth, int initialHeight) {
- super(null, capabilities, null, null);
- this.initWidth = initialWidth;
- this.initHeight = initialHeight;
- if (initWidth <= 0 || initHeight <= 0) {
- throw new GLException("Initial width and height of pbuffer must be positive (were (" +
- initWidth + ", " + initHeight + "))");
- }
-
- if (DEBUG) {
- System.out.println("Pbuffer caps on init: " + capabilities +
- (capabilities.getOffscreenRenderToTexture() ? " [rtt]" : "") +
- (capabilities.getOffscreenRenderToTextureRectangle() ? " [rect]" : "") +
- (capabilities.getOffscreenFloatingPointBuffers() ? " [float]" : ""));
- }
- }
-
- public boolean canCreatePbufferContext() {
- return false;
- }
-
- public GLContext createPbufferContext(GLCapabilities capabilities,
- int initialWidth,
- int initialHeight) {
- throw new GLException("Not supported");
- }
-
- public void bindPbufferToTexture() {
- if (!rtt) {
- throw new GLException("Shouldn't try to bind a pbuffer to a texture if render-to-texture hasn't been " +
- "specified in its GLCapabilities");
- }
- GL gl = getGL();
- gl.glBindTexture(textureTarget, texture);
- if (rtt && hasRTT) {
- if (!gl.wglBindTexImageARB(buffer, GL.WGL_FRONT_LEFT_ARB)) {
- throw new GLException("Binding of pbuffer to texture failed: " + wglGetLastError());
- }
- }
- // Note that if the render-to-texture extension is not supported,
- // we perform a glCopyTexImage2D in swapBuffers().
- }
-
- public void releasePbufferFromTexture() {
- if (!rtt) {
- throw new GLException("Shouldn't try to bind a pbuffer to a texture if render-to-texture hasn't been " +
- "specified in its GLCapabilities");
- }
- if (rtt && hasRTT) {
- GL gl = getGL();
- if (!gl.wglReleaseTexImageARB(buffer, GL.WGL_FRONT_LEFT_ARB)) {
- throw new GLException("Releasing of pbuffer from texture failed: " + wglGetLastError());
- }
- }
- }
-
- public void createPbuffer(long parentHdc, long parentHglrc) {
- GL gl = getGL();
- // Must initally grab OpenGL function pointers while parent's
- // context is current because otherwise we don't have the wgl
- // extensions available to us
- resetGLFunctionAvailability();
-
- int[] iattributes = new int [2*MAX_ATTRIBS];
- float[] fattributes = new float[2*MAX_ATTRIBS];
- int nfattribs = 0;
- int niattribs = 0;
-
- if (DEBUG) {
- System.out.println("Pbuffer caps: " + capabilities +
- (capabilities.getOffscreenRenderToTexture() ? " [rtt]" : "") +
- (capabilities.getOffscreenRenderToTextureRectangle() ? " [rect]" : "") +
- (capabilities.getOffscreenFloatingPointBuffers() ? " [float]" : ""));
- }
-
- rtt = capabilities.getOffscreenRenderToTexture();
- rect = capabilities.getOffscreenRenderToTextureRectangle();
- boolean useFloat = capabilities.getOffscreenFloatingPointBuffers();
- boolean ati = false;
-
- // Since we are trying to create a pbuffer, the pixel format we
- // request (and subsequently use) must be "p-buffer capable".
- iattributes[niattribs++] = GL.WGL_DRAW_TO_PBUFFER_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
-
- if (rtt && !rect) {
- throw new GLException("Render-to-texture-rectangle requires render-to-texture to be specified");
- }
-
- if (rect) {
- if (!gl.isExtensionAvailable("GL_NV_texture_rectangle")) {
- throw new GLException("Render-to-texture-rectangle requires GL_NV_texture_rectangle extension");
- }
- }
-
- if (useFloat) {
- if (!gl.isExtensionAvailable("WGL_ATI_pixel_format_float") &&
- !gl.isExtensionAvailable("WGL_NV_float_buffer")) {
- throw new GLException("Floating-point pbuffers not supported by this hardware");
- }
-
- // Prefer NVidia extension over ATI
- if (gl.isExtensionAvailable("WGL_NV_float_buffer")) {
- ati = false;
- floatMode = GLPbuffer.NV_FLOAT;
- } else {
- ati = true;
- floatMode = GLPbuffer.ATI_FLOAT;
- }
- if (DEBUG) {
- System.err.println("Using " + (ati ? "ATI" : "NVidia") + " floating-point extension");
- }
- }
-
- if (useFloat && ati) {
- if (rtt) {
- throw new GLException("Render-to-floating-point-texture not supported on ATI hardware");
- } else {
- iattributes[niattribs++] = GL.WGL_PIXEL_TYPE_ARB;
- iattributes[niattribs++] = GL.WGL_TYPE_RGBA_FLOAT_ATI;
- }
- } else {
- if (!rtt) {
- // Currently we don't support non-truecolor visuals in the
- // GLCapabilities, so we don't offer the option of making
- // color-index pbuffers.
- iattributes[niattribs++] = GL.WGL_PIXEL_TYPE_ARB;
- iattributes[niattribs++] = GL.WGL_TYPE_RGBA_ARB;
- }
- }
-
- iattributes[niattribs++] = GL.WGL_DOUBLE_BUFFER_ARB;
- if (capabilities.getDoubleBuffered()) {
- iattributes[niattribs++] = GL.GL_TRUE;
- } else {
- iattributes[niattribs++] = GL.GL_FALSE;
- }
-
- iattributes[niattribs++] = GL.WGL_DEPTH_BITS_ARB;
- iattributes[niattribs++] = capabilities.getDepthBits();
-
- iattributes[niattribs++] = GL.WGL_RED_BITS_ARB;
- iattributes[niattribs++] = capabilities.getRedBits();
-
- iattributes[niattribs++] = GL.WGL_GREEN_BITS_ARB;
- iattributes[niattribs++] = capabilities.getGreenBits();
-
- iattributes[niattribs++] = GL.WGL_BLUE_BITS_ARB;
- iattributes[niattribs++] = capabilities.getBlueBits();
-
- iattributes[niattribs++] = GL.WGL_ALPHA_BITS_ARB;
- iattributes[niattribs++] = capabilities.getAlphaBits();
-
- iattributes[niattribs++] = GL.WGL_STENCIL_BITS_ARB;
- if (capabilities.getStencilBits() > 0) {
- iattributes[niattribs++] = GL.GL_TRUE;
- } else {
- iattributes[niattribs++] = GL.GL_FALSE;
- }
-
- if (capabilities.getAccumRedBits() > 0 ||
- capabilities.getAccumGreenBits() > 0 ||
- capabilities.getAccumBlueBits() > 0) {
- iattributes[niattribs++] = GL.WGL_ACCUM_BITS_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
- }
-
- if (useFloat && !ati) {
- iattributes[niattribs++] = GL.WGL_FLOAT_COMPONENTS_NV;
- iattributes[niattribs++] = GL.GL_TRUE;
- }
-
- if (rtt) {
- if (useFloat) {
- assert(!ati);
- if (!rect) {
- throw new GLException("Render-to-floating-point-texture only supported on NVidia hardware with render-to-texture-rectangle");
- }
- iattributes[niattribs++] = GL.WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV;
- iattributes[niattribs++] = GL.GL_TRUE;
- } else {
- iattributes[niattribs++] = rect ? GL.WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV : GL.WGL_BIND_TO_TEXTURE_RGB_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
- }
- }
-
- iattributes[niattribs++] = GL.WGL_SUPPORT_OPENGL_ARB;
- iattributes[niattribs++] = GL.GL_TRUE;
-
- int[] pformats = new int[MAX_PFORMATS];
- int nformats;
- int[] nformatsTmp = new int[1];
- if (!gl.wglChoosePixelFormatARB(parentHdc,
- iattributes,
- fattributes,
- MAX_PFORMATS,
- pformats,
- nformatsTmp)) {
- throw new GLException("pbuffer creation error: wglChoosePixelFormatARB() failed");
- }
- nformats = nformatsTmp[0];
- if (nformats <= 0) {
- throw new GLException("pbuffer creation error: Couldn't find a suitable pixel format");
- }
-
- if (DEBUG) {
- System.err.println("" + nformats + " suitable pixel formats found");
- // query pixel format
- iattributes[0] = GL.WGL_RED_BITS_ARB;
- iattributes[1] = GL.WGL_GREEN_BITS_ARB;
- iattributes[2] = GL.WGL_BLUE_BITS_ARB;
- iattributes[3] = GL.WGL_ALPHA_BITS_ARB;
- iattributes[4] = GL.WGL_DEPTH_BITS_ARB;
- iattributes[5] = (useFloat ? (ati ? GL.WGL_PIXEL_TYPE_ARB : GL.WGL_FLOAT_COMPONENTS_NV) : GL.WGL_RED_BITS_ARB);
- iattributes[6] = GL.WGL_SAMPLE_BUFFERS_EXT;
- iattributes[7] = GL.WGL_SAMPLES_EXT;
- iattributes[8] = GL.WGL_DRAW_TO_PBUFFER_ARB;
- int[] ivalues = new int[9];
- for (int i = 0; i < nformats; i++) {
- if (!gl.wglGetPixelFormatAttribivARB(parentHdc, pformats[i], 0, 9, iattributes, ivalues)) {
- throw new GLException("Error while querying pixel format " + pformats[i] +
- "'s (index " + i + "'s) capabilities for debugging");
- }
- System.err.print("pixel format " + pformats[i] + " (index " + i + "): ");
- System.err.print( "r: " + ivalues[0]);
- System.err.print(" g: " + ivalues[1]);
- System.err.print(" b: " + ivalues[2]);
- System.err.print(" a: " + ivalues[3]);
- System.err.print(" depth: " + ivalues[4]);
- System.err.print(" multisample: " + ivalues[6]);
- System.err.print(" samples: " + ivalues[7]);
- if (useFloat) {
- if (ati) {
- if (ivalues[5] == GL.WGL_TYPE_RGBA_FLOAT_ATI) {
- System.err.print(" [ati float]");
- } else if (ivalues[5] != GL.WGL_TYPE_RGBA_ARB) {
- System.err.print(" [unknown pixel type " + ivalues[5] + "]");
- }
- } else {
- if (ivalues[5] != 0) {
- System.err.print(" [float]");
- }
- }
- }
-
- if (ivalues[8] != 0) {
- System.err.print(" [pbuffer]");
- }
- System.err.println();
- }
- }
-
- long tmpBuffer = 0;
- int whichFormat = 0;
- // Loop is a workaround for bugs in NVidia's recent drivers
- do {
- int format = pformats[whichFormat];
-
- // Create the p-buffer.
- niattribs = 0;
-
- if (rtt) {
- iattributes[niattribs++] = GL.WGL_TEXTURE_FORMAT_ARB;
- if (useFloat) {
- iattributes[niattribs++] = GL.WGL_TEXTURE_FLOAT_RGB_NV;
- } else {
- iattributes[niattribs++] = GL.WGL_TEXTURE_RGBA_ARB;
- }
-
- iattributes[niattribs++] = GL.WGL_TEXTURE_TARGET_ARB;
- iattributes[niattribs++] = rect ? GL.WGL_TEXTURE_RECTANGLE_NV : GL.WGL_TEXTURE_2D_ARB;
-
- iattributes[niattribs++] = GL.WGL_MIPMAP_TEXTURE_ARB;
- iattributes[niattribs++] = GL.GL_FALSE;
-
- iattributes[niattribs++] = GL.WGL_PBUFFER_LARGEST_ARB;
- iattributes[niattribs++] = GL.GL_FALSE;
- }
-
- iattributes[niattribs++] = 0;
-
- tmpBuffer = gl.wglCreatePbufferARB(parentHdc, format, initWidth, initHeight, iattributes);
- ++whichFormat;
- } while ((tmpBuffer == 0) && (whichFormat < nformats));
-
- if (tmpBuffer == 0) {
- throw new GLException("pbuffer creation error: wglCreatePbufferARB() failed: tried " + nformats +
- " pixel formats, last error was: " + wglGetLastError());
- }
-
- // Get the device context.
- long tmpHdc = gl.wglGetPbufferDCARB(tmpBuffer);
- if (tmpHdc == 0) {
- throw new GLException("pbuffer creation error: wglGetPbufferDCARB() failed");
- }
-
- this.parentHglrc = parentHglrc;
-
- // Set up instance variables
- buffer = tmpBuffer;
- hdc = tmpHdc;
-
- // Determine the actual width and height we were able to create.
- int[] tmp = new int[1];
- gl.wglQueryPbufferARB( buffer, GL.WGL_PBUFFER_WIDTH_ARB, tmp );
- width = tmp[0];
- gl.wglQueryPbufferARB( buffer, GL.WGL_PBUFFER_HEIGHT_ARB, tmp );
- height = tmp[0];
-
- if (DEBUG) {
- System.err.println("Created pbuffer " + width + " x " + height);
- }
- }
-
- protected synchronized boolean makeCurrent(Runnable initAction) throws GLException {
- created = false;
-
- if (buffer == 0) {
- // pbuffer not instantiated yet
- if (DEBUG) {
- System.err.println("pbuffer not instantiated yet");
- }
- return false;
- }
-
- boolean res = super.makeCurrent(initAction);
- if (DEBUG) {
- System.err.println("super.makeCurrent() = " + res + ", created = " + created);
- }
- if (created) {
- // Initialize render-to-texture support if requested
- rtt = capabilities.getOffscreenRenderToTexture();
- rect = capabilities.getOffscreenRenderToTextureRectangle();
-
- if (rtt) {
- if (DEBUG) {
- System.err.println("Initializing render-to-texture support");
- }
-
- if (!gl.isExtensionAvailable("WGL_ARB_render_texture")) {
- System.err.println("WindowsPbufferGLContext: WARNING: WGL_ARB_render_texture extension not " +
- "supported; implementing render_to_texture support using slow texture readback");
- } else {
- hasRTT = true;
- GL gl = getGL();
-
- if (rect && !gl.isExtensionAvailable("GL_NV_texture_rectangle")) {
- System.err.println("WindowsPbufferGLContext: WARNING: GL_NV_texture_rectangle extension not " +
- "supported; skipping requested render_to_texture_rectangle support for pbuffer");
- rect = false;
- }
- if (rect) {
- if (DEBUG) {
- System.err.println(" Using render-to-texture-rectangle");
- }
- textureTarget = GL.GL_TEXTURE_RECTANGLE_NV;
- } else {
- if (DEBUG) {
- System.err.println(" Using vanilla render-to-texture");
- }
- textureTarget = GL.GL_TEXTURE_2D;
- }
- int[] tmp = new int[1];
- gl.glGenTextures(1, tmp);
- texture = tmp[0];
- gl.glBindTexture(textureTarget, texture);
- gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
- gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
- gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE);
- gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE);
- gl.glCopyTexImage2D(textureTarget, 0, GL.GL_RGB, 0, 0, width, height, 0);
- }
- }
- }
- return res;
- }
-
- public void handleModeSwitch(long parentHdc, long parentHglrc) {
- throw new GLException("Not yet implemented");
- }
-
- protected boolean isOffscreen() {
- // FIXME: currently the only caller of this won't cause proper
- // resizing of the pbuffer anyway.
- return false;
- }
-
- public int getOffscreenContextReadBuffer() {
- throw new GLException("Should not call this");
- }
-
- public boolean offscreenImageNeedsVerticalFlip() {
- throw new GLException("Should not call this");
- }
-
- protected void create() {
- created = true;
- // Create a gl context for the p-buffer.
- hglrc = WGL.wglCreateContext(hdc);
- if (hglrc == 0) {
- throw new GLException("pbuffer creation error: wglCreateContext() failed");
- }
-
- // FIXME: provide option to not share display lists with subordinate pbuffer?
- if (!WGL.wglShareLists(parentHglrc, hglrc)) {
- throw new GLException("pbuffer: wglShareLists() failed");
- }
- }
-
- protected void destroyImpl() throws GLException {
- if (hglrc != 0) {
- super.destroyImpl();
- // Must release DC and pbuffer
- // NOTE that since the context is not current, glGetError() can
- // not be called here, so we skip the use of any composable
- // pipelines
- GL gl = createGL();
- if (gl.wglReleasePbufferDCARB(buffer, hdc) == 0) {
- throw new GLException("Error releasing pbuffer device context: error code " + WGL.GetLastError());
- }
- hdc = 0;
- if (!gl.wglDestroyPbufferARB(buffer)) {
- throw new GLException("Error destroying pbuffer: error code " + WGL.GetLastError());
- }
- buffer = 0;
- }
- }
-
- public void swapBuffers() throws GLException {
- // FIXME: do we need to do anything if the pbuffer is double-buffered?
- // For now, just grab the pixels for the render-to-texture support.
- if (rtt && !hasRTT) {
- if (DEBUG) {
- System.err.println("Copying pbuffer data to GL_TEXTURE_2D state");
- }
-
- GL gl = getGL();
- gl.glCopyTexSubImage2D(textureTarget, 0, 0, 0, 0, 0, width, height);
- }
- }
-
- public int getFloatingPointMode() {
- return floatMode;
- }
-
- private String wglGetLastError() {
- int err = WGL.GetLastError();
- String detail = null;
- switch (err) {
- case WGL.ERROR_INVALID_PIXEL_FORMAT: detail = "ERROR_INVALID_PIXEL_FORMAT"; break;
- case WGL.ERROR_NO_SYSTEM_RESOURCES: detail = "ERROR_NO_SYSTEM_RESOURCES"; break;
- case WGL.ERROR_INVALID_DATA: detail = "ERROR_INVALID_DATA"; break;
- case WGL.ERROR_PROC_NOT_FOUND: detail = "ERROR_PROC_NOT_FOUND"; break;
- case WGL.ERROR_INVALID_WINDOW_HANDLE:detail = "ERROR_INVALID_WINDOW_HANDLE"; break;
- default: detail = "(Unknown error code " + err + ")"; break;
- }
- return detail;
- }
-}