From a0be832ec24145cb724a3a7a6cec72edcb4e95f9 Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Mon, 19 Jun 2006 20:56:54 +0000
Subject: Added support to Java2D/JOGL bridge for GL_ARB_texture_rectangle
support in Java2D/OpenGL pipeline's FBO code path
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@816 232f8b59-042b-4e1e-8c03-345bb8c30851
---
src/classes/com/sun/opengl/impl/Java2D.java | 35 +++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
(limited to 'src/classes/com/sun/opengl/impl')
diff --git a/src/classes/com/sun/opengl/impl/Java2D.java b/src/classes/com/sun/opengl/impl/Java2D.java
index 11a8f3da3..457c819bd 100755
--- a/src/classes/com/sun/opengl/impl/Java2D.java
+++ b/src/classes/com/sun/opengl/impl/Java2D.java
@@ -58,6 +58,8 @@ public class Java2D {
private static Method getOGLViewportMethod;
private static Method getOGLScissorBoxMethod;
private static Method getOGLSurfaceIdentifierMethod;
+ // This one is currently optional and is only in very recent Mustang builds
+ private static Method getOGLTextureTypeMethod;
// The following methods and fields are needed for proper support of
// Frame Buffer Objects in the Java2D/OpenGL pipeline
@@ -161,6 +163,20 @@ public class Java2D {
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");
+ }
+ }
} catch (Exception e) {
if (DEBUG && VERBOSE) {
e.printStackTrace();
@@ -332,6 +348,25 @@ public class Java2D {
}
}
+ /** Returns the underlying texture target of the given Graphics
+ object assuming it is rendering to an FBO. Returns either
+ GL_TEXTURE_2D or GL_TEXTURE_RECTANGLE_ARB. */
+ public static int getOGLTextureType(Graphics g) {
+ checkActive();
+
+ if (getOGLTextureTypeMethod == null) {
+ return GL.GL_TEXTURE_2D;
+ }
+
+ try {
+ return ((Integer) getOGLTextureTypeMethod.invoke(null, new Object[] { g })).intValue();
+ } catch (InvocationTargetException e) {
+ throw new GLException(e.getTargetException());
+ } catch (Exception e) {
+ throw (InternalError) new InternalError().initCause(e);
+ }
+ }
+
/** Returns either the given GLContext or a substitute one with
which clients should share textures and display lists. Needed
when the Java2D/OpenGL pipeline is active and FBOs are being
--
cgit v1.2.3