Added floating-point pbuffer support on X11

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@274 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 5 insertions, 8 deletions

diff --git a/src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java b/src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java
index 5b6df1843..fcc03aa68 100644
--- a/src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java
+++ b/src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java
@@ -60,10 +60,6 @@ public class X11PbufferGLContext extends X11GLContext {
   private static final int MAX_PFORMATS = 256;
   private static final int MAX_ATTRIBS  = 256;
 
-  // FIXME: figure out how to support render-to-texture and
-  // render-to-texture-rectangle (which appear to be supported, though
-  // it looks like floating-point buffers are not)
-
   public X11PbufferGLContext(GLCapabilities capabilities, int initialWidth, int initialHeight) {
     super(null, capabilities, null, null);
     this.initWidth  = initialWidth;
@@ -103,10 +99,6 @@ public class X11PbufferGLContext extends X11GLContext {
       throw new GLException("Null parentContext");
     }
 
-    if (capabilities.getOffscreenFloatingPointBuffers()) {
-      throw new GLException("Floating-point pbuffers not supported yet on X11");
-    }
-
     if (capabilities.getOffscreenRenderToTexture()) {
       throw new GLException("Render-to-texture pbuffers not supported yet on X11");
     }
@@ -166,6 +158,11 @@ public class X11PbufferGLContext extends X11GLContext {
       iattributes[niattribs++] = capabilities.getAccumBlueBits();
     }
 
+    if (capabilities.getOffscreenFloatingPointBuffers()) {
+      iattributes[niattribs++] = GLX.GLX_FLOAT_COMPONENTS_NV;
+      iattributes[niattribs++] = GL.GL_TRUE;
+    }
+
     // FIXME: add FSAA support? Don't want to get into a situation
     // where we have to retry the glXChooseFBConfig call if it fails
     // due to a lack of an antialiased visual...