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-rw-r--r--src/net/java/games/jogl/impl/GLContext.java11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/net/java/games/jogl/impl/GLContext.java b/src/net/java/games/jogl/impl/GLContext.java
index e0def092a..82672b1c3 100644
--- a/src/net/java/games/jogl/impl/GLContext.java
+++ b/src/net/java/games/jogl/impl/GLContext.java
@@ -464,12 +464,21 @@ public abstract class GLContext {
which to read pixels (GL.GL_FRONT or GL.GL_BACK). */
public abstract int getOffscreenContextReadBuffer();
+ /** Only called for offscreen contexts; needed by glReadPixels */
+ public abstract int getOffscreenContextWidth();
+
+ /** Only called for offscreen contexts; needed by glReadPixels */
+ public abstract int getOffscreenContextHeight();
+
+ /** Only called for offscreen contexts; needed by glReadPixels */
+ public abstract int getOffscreenContextPixelDataType();
+
/** On some platforms the mismatch between OpenGL's coordinate
system (origin at bottom left) and the window system's
coordinate system (origin at top left) necessitates a vertical
flip of pixels read from offscreen contexts. */
public abstract boolean offscreenImageNeedsVerticalFlip();
-
+
/** Attempts to make the GL context current. If necessary, creates a
context and calls the initAction once the context is current.
Most error conditions cause an exception to be thrown, except