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-rwxr-xr-xsrc/classes/com/sun/opengl/impl/Java2D.java243
1 files changed, 127 insertions, 116 deletions
diff --git a/src/classes/com/sun/opengl/impl/Java2D.java b/src/classes/com/sun/opengl/impl/Java2D.java
index 9b9cff29d..713effa67 100755
--- a/src/classes/com/sun/opengl/impl/Java2D.java
+++ b/src/classes/com/sun/opengl/impl/Java2D.java
@@ -52,6 +52,7 @@ import javax.media.opengl.*;
public class Java2D {
private static boolean DEBUG = Debug.debug("Java2D");
private static boolean VERBOSE = Debug.verbose();
+ private static boolean isHeadless;
private static boolean isOGLPipelineActive;
private static Method invokeWithOGLContextCurrentMethod;
private static Method isQueueFlusherThreadMethod;
@@ -103,134 +104,141 @@ public class Java2D {
if (DEBUG && VERBOSE) {
System.err.println("Checking for Java2D/OpenGL support");
}
- // Figure out whether the default graphics configuration is an
- // OpenGL graphics configuration
- GraphicsConfiguration cfg =
- GraphicsEnvironment.getLocalGraphicsEnvironment().
- getDefaultScreenDevice().
- getDefaultConfiguration();
- String name = cfg.getClass().getName();
- if (DEBUG && VERBOSE) {
- System.err.println("Java2D support: default GraphicsConfiguration = " + name);
- }
- isOGLPipelineActive = (name.startsWith("sun.java2d.opengl"));
-
- if (isOGLPipelineActive) {
- try {
- // Try to get methods we need to integrate
- Class utils = Class.forName("sun.java2d.opengl.OGLUtilities");
- invokeWithOGLContextCurrentMethod = utils.getDeclaredMethod("invokeWithOGLContextCurrent",
- new Class[] {
- Graphics.class,
- Runnable.class
- });
- invokeWithOGLContextCurrentMethod.setAccessible(true);
-
- isQueueFlusherThreadMethod = utils.getDeclaredMethod("isQueueFlusherThread",
- new Class[] {});
- isQueueFlusherThreadMethod.setAccessible(true);
-
- getOGLViewportMethod = utils.getDeclaredMethod("getOGLViewport",
- new Class[] {
- Graphics.class,
- Integer.TYPE,
- Integer.TYPE
- });
- getOGLViewportMethod.setAccessible(true);
-
- getOGLScissorBoxMethod = utils.getDeclaredMethod("getOGLScissorBox",
- new Class[] {
- Graphics.class
- });
- getOGLScissorBoxMethod.setAccessible(true);
-
- getOGLSurfaceIdentifierMethod = utils.getDeclaredMethod("getOGLSurfaceIdentifier",
- new Class[] {
- Graphics.class
- });
- getOGLSurfaceIdentifierMethod.setAccessible(true);
+ try {
+ isHeadless = true;
+ // Figure out whether the default graphics configuration is an
+ // OpenGL graphics configuration
+ GraphicsConfiguration cfg =
+ GraphicsEnvironment.getLocalGraphicsEnvironment().
+ getDefaultScreenDevice().
+ getDefaultConfiguration();
+ // If we get here, we aren't running in headless mode
+ isHeadless = false;
+ String name = cfg.getClass().getName();
+ if (DEBUG && VERBOSE) {
+ System.err.println("Java2D support: default GraphicsConfiguration = " + name);
+ }
+ isOGLPipelineActive = (name.startsWith("sun.java2d.opengl"));
- // Try to get additional methods required for proper FBO support
- fbObjectSupportInitialized = true;
+ if (isOGLPipelineActive) {
try {
- invokeWithOGLSharedContextCurrentMethod = utils.getDeclaredMethod("invokeWithOGLSharedContextCurrent",
- new Class[] {
- GraphicsConfiguration.class,
- Runnable.class
- });
- invokeWithOGLSharedContextCurrentMethod.setAccessible(true);
-
- getOGLSurfaceTypeMethod = utils.getDeclaredMethod("getOGLSurfaceType",
- new Class[] {
- Graphics.class
- });
- getOGLSurfaceTypeMethod.setAccessible(true);
- } catch (Exception e) {
- fbObjectSupportInitialized = false;
- if (DEBUG && VERBOSE) {
- e.printStackTrace();
- System.err.println("Disabling Java2D/JOGL FBO support");
+ // Try to get methods we need to integrate
+ Class utils = Class.forName("sun.java2d.opengl.OGLUtilities");
+ invokeWithOGLContextCurrentMethod = utils.getDeclaredMethod("invokeWithOGLContextCurrent",
+ new Class[] {
+ Graphics.class,
+ Runnable.class
+ });
+ invokeWithOGLContextCurrentMethod.setAccessible(true);
+
+ isQueueFlusherThreadMethod = utils.getDeclaredMethod("isQueueFlusherThread",
+ new Class[] {});
+ isQueueFlusherThreadMethod.setAccessible(true);
+
+ getOGLViewportMethod = utils.getDeclaredMethod("getOGLViewport",
+ new Class[] {
+ Graphics.class,
+ Integer.TYPE,
+ Integer.TYPE
+ });
+ getOGLViewportMethod.setAccessible(true);
+
+ getOGLScissorBoxMethod = utils.getDeclaredMethod("getOGLScissorBox",
+ new Class[] {
+ Graphics.class
+ });
+ getOGLScissorBoxMethod.setAccessible(true);
+
+ getOGLSurfaceIdentifierMethod = utils.getDeclaredMethod("getOGLSurfaceIdentifier",
+ new Class[] {
+ Graphics.class
+ });
+ getOGLSurfaceIdentifierMethod.setAccessible(true);
+
+ // Try to get additional methods required for proper FBO support
+ fbObjectSupportInitialized = true;
+ try {
+ invokeWithOGLSharedContextCurrentMethod = utils.getDeclaredMethod("invokeWithOGLSharedContextCurrent",
+ new Class[] {
+ GraphicsConfiguration.class,
+ Runnable.class
+ });
+ invokeWithOGLSharedContextCurrentMethod.setAccessible(true);
+
+ getOGLSurfaceTypeMethod = utils.getDeclaredMethod("getOGLSurfaceType",
+ new Class[] {
+ Graphics.class
+ });
+ getOGLSurfaceTypeMethod.setAccessible(true);
+ } catch (Exception e) {
+ fbObjectSupportInitialized = false;
+ if (DEBUG && VERBOSE) {
+ e.printStackTrace();
+ System.err.println("Disabling Java2D/JOGL FBO support");
+ }
}
- }
- // Try to get an additional method for FBO support in recent Mustang builds
- try {
- getOGLTextureTypeMethod = utils.getDeclaredMethod("getOGLTextureType",
- new Class[] {
- Graphics.class
- });
- getOGLTextureTypeMethod.setAccessible(true);
- } catch (Exception e) {
- if (DEBUG && VERBOSE) {
- e.printStackTrace();
- System.err.println("GL_ARB_texture_rectangle FBO support disabled");
+ // Try to get an additional method for FBO support in recent Mustang builds
+ try {
+ getOGLTextureTypeMethod = utils.getDeclaredMethod("getOGLTextureType",
+ new Class[] {
+ Graphics.class
+ });
+ getOGLTextureTypeMethod.setAccessible(true);
+ } catch (Exception e) {
+ if (DEBUG && VERBOSE) {
+ e.printStackTrace();
+ System.err.println("GL_ARB_texture_rectangle FBO support disabled");
+ }
}
- }
- // Try to set up APIs for enabling the bridge on OS X,
- // where it isn't possible to create generalized
- // external GLDrawables
- Class cglSurfaceData = null;
- try {
- cglSurfaceData = Class.forName("sun.java2d.opengl.CGLSurfaceData");
+ // Try to set up APIs for enabling the bridge on OS X,
+ // where it isn't possible to create generalized
+ // external GLDrawables
+ Class cglSurfaceData = null;
+ try {
+ cglSurfaceData = Class.forName("sun.java2d.opengl.CGLSurfaceData");
+ } catch (Exception e) {
+ if (DEBUG && VERBOSE) {
+ e.printStackTrace();
+ System.err.println("Unable to find class sun.java2d.opengl.CGLSurfaceData for OS X");
+ }
+ }
+ if (cglSurfaceData != null) {
+ // FIXME: for now, assume that FBO support is not enabled on OS X
+ fbObjectSupportInitialized = false;
+
+ // We need to find these methods in order to make the bridge work on OS X
+ createOGLContextOnSurfaceMethod = cglSurfaceData.getDeclaredMethod("createOGLContextOnSurface",
+ new Class[] {
+ Graphics.class,
+ Long.TYPE
+ });
+ createOGLContextOnSurfaceMethod.setAccessible(true);
+
+ makeOGLContextCurrentOnSurfaceMethod = cglSurfaceData.getDeclaredMethod("makeOGLContextCurrentOnSurface",
+ new Class[] {
+ Graphics.class,
+ Long.TYPE
+ });
+ makeOGLContextCurrentOnSurfaceMethod.setAccessible(true);
+
+ destroyOGLContextMethod = cglSurfaceData.getDeclaredMethod("destroyOGLContext",
+ new Class[] {
+ Long.TYPE
+ });
+ destroyOGLContextMethod.setAccessible(true);
+ }
} catch (Exception e) {
if (DEBUG && VERBOSE) {
e.printStackTrace();
- System.err.println("Unable to find class sun.java2d.opengl.CGLSurfaceData for OS X");
+ System.err.println("Disabling Java2D/JOGL integration");
}
+ isOGLPipelineActive = false;
}
- if (cglSurfaceData != null) {
- // FIXME: for now, assume that FBO support is not enabled on OS X
- fbObjectSupportInitialized = false;
-
- // We need to find these methods in order to make the bridge work on OS X
- createOGLContextOnSurfaceMethod = cglSurfaceData.getDeclaredMethod("createOGLContextOnSurface",
- new Class[] {
- Graphics.class,
- Long.TYPE
- });
- createOGLContextOnSurfaceMethod.setAccessible(true);
-
- makeOGLContextCurrentOnSurfaceMethod = cglSurfaceData.getDeclaredMethod("makeOGLContextCurrentOnSurface",
- new Class[] {
- Graphics.class,
- Long.TYPE
- });
- makeOGLContextCurrentOnSurfaceMethod.setAccessible(true);
-
- destroyOGLContextMethod = cglSurfaceData.getDeclaredMethod("destroyOGLContext",
- new Class[] {
- Long.TYPE
- });
- destroyOGLContextMethod.setAccessible(true);
- }
- } catch (Exception e) {
- if (DEBUG && VERBOSE) {
- e.printStackTrace();
- System.err.println("Disabling Java2D/JOGL integration");
- }
- isOGLPipelineActive = false;
}
+ } catch (HeadlessException e) {
+ // The AWT is running in headless mode, so the Java 2D / JOGL bridge is clearly disabled
}
if (DEBUG) {
@@ -421,6 +429,9 @@ public class Java2D {
future to indicate which GraphicsDevice the source context is
associated with. */
public static GLContext filterShareContext(GLContext shareContext) {
+ if (isHeadless)
+ return shareContext;
+
// FIXME: this may need adjustment
initFBOShareContext(GraphicsEnvironment.
getLocalGraphicsEnvironment().
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 10:15:35 +0000