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-rw-r--r--src/net/java/games/jogl/impl/GLContext.java7
-rw-r--r--src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java7
-rw-r--r--src/net/java/games/jogl/impl/x11/X11OnscreenGLContext.java7
3 files changed, 21 insertions, 0 deletions
diff --git a/src/net/java/games/jogl/impl/GLContext.java b/src/net/java/games/jogl/impl/GLContext.java
index 17667fbce..318ff24a2 100644
--- a/src/net/java/games/jogl/impl/GLContext.java
+++ b/src/net/java/games/jogl/impl/GLContext.java
@@ -552,6 +552,13 @@ public abstract class GLContext {
*/
public abstract void releasePbufferFromTexture();
+ /*
+ * Sets the swap interval for onscreen OpenGL contexts. Has no
+ * effect for offscreen contexts.
+ */
+ public void setSwapInterval(final int interval) {
+ }
+
/** Maps the given "platform-independent" function name to a real function
name. Currently this is only used to map "glAllocateMemoryNV" and
associated routines to wglAllocateMemoryNV / glXAllocateMemoryNV. */
diff --git a/src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java b/src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java
index 3c8027e7c..cfa5c3d99 100644
--- a/src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java
+++ b/src/net/java/games/jogl/impl/macosx/MacOSXGLContext.java
@@ -227,6 +227,13 @@ public abstract class MacOSXGLContext extends GLContext
return "";
}
+ public void setSwapInterval(int interval) {
+ if (nsContext == 0) {
+ throw new GLException("OpenGL context not current");
+ }
+ CGL.setSwapInterval(nsContext, interval);
+ }
+
//----------------------------------------------------------------------
// Internals only below this point
//
diff --git a/src/net/java/games/jogl/impl/x11/X11OnscreenGLContext.java b/src/net/java/games/jogl/impl/x11/X11OnscreenGLContext.java
index 1b5f54979..241a45dc9 100644
--- a/src/net/java/games/jogl/impl/x11/X11OnscreenGLContext.java
+++ b/src/net/java/games/jogl/impl/x11/X11OnscreenGLContext.java
@@ -103,6 +103,13 @@ public class X11OnscreenGLContext extends X11GLContext {
throw new GLException("Should not call this");
}
+ public void setSwapInterval(int interval) {
+ GL gl = getGL();
+ if (gl.isExtensionAvailable("GLX_SGI_swap_control")) {
+ gl.glXSwapIntervalSGI(interval);
+ }
+ }
+
protected synchronized boolean makeCurrent(Runnable initAction) throws GLException {
try {
if (!lockSurface()) {