From 0a6e191eaebcc8edc2611dbedab6fd04a615fc2f Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Thu, 26 Jun 2003 13:21:12 +0000
Subject: Initial Mac OS X port of Jogl by Gerard Ziemski and Kenneth Russell,
subsuming the previous prototype implementation (no GLCanvas support) done by
Marc Downie.
Added user's guide (HTML format) under doc/userguide/index.html.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@13 232f8b59-042b-4e1e-8c03-345bb8c30851
---
.../games/jogl/impl/macosx/MacOSXGLContext.java | 152 ++++++++++++++++-----
1 file changed, 117 insertions(+), 35 deletions(-)
(limited to 'src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java')
diff --git a/src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java b/src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java
index bcb33e602..23367c045 100644
--- a/src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java
+++ b/src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java
@@ -45,23 +45,33 @@ import net.java.games.gluegen.opengl.*; // for PROCADDRESS_VAR_PREFIX
import net.java.games.jogl.*;
import net.java.games.jogl.impl.*;
-public abstract class MacOSXGLContext extends GLContext {
-
- public MacOSXGLContext(Component component, GLCapabilities capabilities, GLCapabilitiesChooser chooser) {
+public abstract class MacOSXGLContext extends GLContext
+{
+ private static JAWT jawt;
+ protected long nsContext; // NSOpenGLContext
+
+ public MacOSXGLContext(Component component, GLCapabilities capabilities, GLCapabilitiesChooser chooser)
+ {
super(component, capabilities, chooser);
}
-
- protected GL createGL()
+
+ protected String mapToRealGLFunctionName(String glFunctionName)
{
- return new MacOSXGLImpl(this);
+ return glFunctionName;
}
-
- protected String mapToRealGLFunctionName(String glFunctionName) {
+
+ protected String mapToRealGLExtensionName(String glFunctionName)
+ {
return glFunctionName;
}
-
- protected abstract boolean isOffscreen();
+
+ protected boolean isFunctionAvailable(String glFunctionName)
+ {
+ return super.isFunctionAvailable(glFunctionName);
+ }
+ protected abstract boolean isOffscreen();
+
public abstract int getOffscreenContextBufferedImageType();
public abstract int getOffscreenContextReadBuffer();
@@ -69,42 +79,114 @@ public abstract class MacOSXGLContext extends GLContext {
public abstract boolean offscreenImageNeedsVerticalFlip();
/**
- * Creates and initializes an appropriate OpenGl context. Should only be
+ * Creates and initializes an appropriate OpenGl nsContext. Should only be
* called by {@link makeCurrent(Runnable)}.
*/
protected abstract void create();
-
- protected synchronized boolean makeCurrent(Runnable initAction) throws GLException
+
+ protected abstract boolean makeCurrent(Runnable initAction) throws GLException;
+
+ protected abstract void free() throws GLException;
+
+ protected abstract void swapBuffers() throws GLException;
+
+
+ protected void resetGLFunctionAvailability()
{
- throw new RuntimeException(" FIXME: not implemented ");
+ super.resetGLFunctionAvailability();
+ resetGLProcAddressTable();
}
+
+ protected void resetGLProcAddressTable()
+ {
+ if (DEBUG) {
+ System.err.println("!!! Initializing OpenGL extension address table");
+ }
- protected synchronized void free() throws GLException {
- throw new RuntimeException(" FIXME: not implemented ");
- }
-
- protected abstract void swapBuffers() throws GLException;
+ net.java.games.jogl.impl.ProcAddressTable table = getGLProcAddressTable();
+
+ // if GL is no longer an interface, we'll have to re-implement the code
+ // below so it only iterates through gl methods (a non-interface might
+ // have constructors, custom methods, etc). For now we assume all methods
+ // will be gl methods.
+ GL gl = getGL();
+ Class tableClass = table.getClass();
+
+ java.lang.reflect.Field[] fields = tableClass.getDeclaredFields();
+
+ for (int i = 0; i < fields.length; ++i) {
+ String addressFieldName = fields[i].getName();
+ if (!addressFieldName.startsWith(GLEmitter.PROCADDRESS_VAR_PREFIX))
+ {
+ // not a proc address variable
+ continue;
+ }
+ int startOfMethodName = GLEmitter.PROCADDRESS_VAR_PREFIX.length();
+ String glFuncName = addressFieldName.substring(startOfMethodName);
+ try
+ {
+ java.lang.reflect.Field addressField = tableClass.getDeclaredField(addressFieldName);
+ assert(addressField.getType() == Long.TYPE);
+ // get the current value of the proc address variable in the table object
+ long oldProcAddress = addressField.getLong(table);
+ long newProcAddress = CGL.getProcAddress(glFuncName);
+ /*
+ System.err.println(
+ "!!! Address=" + (newProcAddress == 0
+ ? "<NULL> "
+ : ("0x" +
+ Long.toHexString(newProcAddress))) +
+ "\tGL func: " + glFuncName);
+ */
+ // set the current value of the proc address variable in the table object
+ addressField.setLong(gl, newProcAddress);
+ } catch (Exception e) {
+ throw new GLException(
+ "Cannot get GL proc address for method \"" +
+ glFuncName + "\": Couldn't get value of field \"" + addressFieldName +
+ "\" in class " + tableClass.getName(), e);
+ }
+ }
- protected void resetGLFunctionAvailability() {
- throw new RuntimeException(" FIXME: not implemented ");
}
-
- protected void resetGLProcAddressTable() {
- throw new RuntimeException(" FIXME: not implemented ");
- }
-
- public net.java.games.jogl.impl.ProcAddressTable getGLProcAddressTable() {
- throw new RuntimeException(" FIXME: not implemented ");
+
+ public net.java.games.jogl.impl.ProcAddressTable getGLProcAddressTable()
+ {
+ if (glProcAddressTable == null) {
+ // FIXME: cache ProcAddressTables by capability bits so we can
+ // share them among contexts with the same capabilities
+ glProcAddressTable =
+ new net.java.games.jogl.impl.ProcAddressTable();
+ }
+ return glProcAddressTable;
}
-
- public String getPlatformExtensionsString() {
- throw new RuntimeException(" FIXME: not implemented ");
+
+ public String getPlatformExtensionsString()
+ {
+ return "";
}
-
- protected boolean isFunctionAvailable(String glFunctionName)
+
+ //----------------------------------------------------------------------
+ // Internals only below this point
+ //
+
+ // Table that holds the addresses of the native C-language entry points for
+ // OpenGL functions.
+ private net.java.games.jogl.impl.ProcAddressTable glProcAddressTable;
+
+ protected JAWT getJAWT()
{
- throw new RuntimeException(" FIXME: not implemented ");
+ 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;
}
-
}
--
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