Initial support for multisample / full-scene antialiasing (FSAA);

currently on Windows, X11 and other ports to follow


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@108 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 30 insertions, 0 deletions

diff --git a/src/net/java/games/jogl/GLCapabilities.java b/src/net/java/games/jogl/GLCapabilities.java
index 389617912..5095c802a 100644
--- a/src/net/java/games/jogl/GLCapabilities.java
+++ b/src/net/java/games/jogl/GLCapabilities.java
@@ -61,6 +61,10 @@ public class GLCapabilities implements Cloneable {
   // Shift bits from PIXELFORMATDESCRIPTOR not present because they
   // are unlikely to be supported on Windows anyway
 
+  // Support for full-scene antialiasing (FSAA)
+  private boolean sampleBuffers = false;
+  private int     numSamples    = 2;
+
   // Bits for pbuffer creation
   private boolean offscreenFloatingPointBuffers;
   private boolean offscreenRenderToTexture;
@@ -245,6 +249,32 @@ public class GLCapabilities implements Cloneable {
     this.accumAlphaBits = accumAlphaBits;
   }
 
+  /** Indicates whether sample buffers for full-scene antialiasing
+      (FSAA) should be allocated for this drawable. Defaults to
+      false. */
+  public void setSampleBuffers(boolean onOrOff) {
+    sampleBuffers = onOrOff;
+  }
+
+  /** Returns whether sample buffers for full-scene antialiasing
+      (FSAA) should be allocated for this drawable. Defaults to
+      false. */
+  public boolean getSampleBuffers() {
+    return sampleBuffers;
+  }
+
+  /** If sample buffers are enabled, indicates the number of buffers
+      to be allocated. Defaults to 2. */
+  public void setNumSamples(int numSamples) {
+    this.numSamples = numSamples;
+  }
+
+  /** Returns the number of sample buffers to be allocated if sample
+      buffers are enabled. Defaults to 2. */
+  public int getNumSamples() {
+    return numSamples;
+  }
+
   /** For offscreen surfaces only (pbuffers), indicates whether
       floating-point buffers should be used if available. Defaults to
       false. */