From 5e36587af91f43faff49f4ff61c40cf084bae298 Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Mon, 18 Jul 2005 21:28:47 +0000
Subject: Implemented pbuffer instantiation support in GLDrawableFactory rather
 than GLCanvas on Windows. Restructured GLJPanel and jogl-demos to use new
 APIs. Still needs to be ported to other platforms.

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JSR-231@326 232f8b59-042b-4e1e-8c03-345bb8c30851
---
 .../impl/windows/WindowsPbufferGLDrawable.java     | 68 ++++++++++++----------
 1 file changed, 37 insertions(+), 31 deletions(-)

(limited to 'src/net/java/games/jogl/impl/windows/WindowsPbufferGLDrawable.java')

diff --git a/src/net/java/games/jogl/impl/windows/WindowsPbufferGLDrawable.java b/src/net/java/games/jogl/impl/windows/WindowsPbufferGLDrawable.java
index 6917b281d..d91feb27c 100644
--- a/src/net/java/games/jogl/impl/windows/WindowsPbufferGLDrawable.java
+++ b/src/net/java/games/jogl/impl/windows/WindowsPbufferGLDrawable.java
@@ -54,7 +54,11 @@ public class WindowsPbufferGLDrawable extends WindowsGLDrawable {
 
   private int floatMode;
 
-  public WindowsPbufferGLDrawable(GLCapabilities capabilities, int initialWidth, int initialHeight) {
+  public WindowsPbufferGLDrawable(GLCapabilities capabilities,
+                                  int initialWidth,
+                                  int initialHeight,
+                                  WindowsGLDrawable dummyDrawable,
+                                  GL gl) {
     super(null, capabilities, null);
     this.initWidth  = initialWidth;
     this.initHeight = initialHeight;
@@ -69,6 +73,8 @@ public class WindowsPbufferGLDrawable extends WindowsGLDrawable {
                          (capabilities.getOffscreenRenderToTextureRectangle() ? " [rect]" : "") +
                          (capabilities.getOffscreenFloatingPointBuffers() ? " [float]" : ""));
     }
+
+    createPbuffer(dummyDrawable.getHDC(), gl);
   }
 
   public GLContext createContext(GLContext shareWith) {
@@ -106,7 +112,36 @@ public class WindowsPbufferGLDrawable extends WindowsGLDrawable {
     return height;
   }
 
-  public void createPbuffer(GL gl, long parentHdc) {
+  public GLCapabilities getCapabilities() {
+    return capabilities;
+  }
+
+  public long getPbuffer() {
+    return buffer;
+  }
+
+  public int getFloatingPointMode() {
+    return floatMode;
+  }
+
+  public void swapBuffers() throws GLException {
+    // FIXME: this doesn't make sense any more because we don't have
+    // access to our OpenGL context here
+    /*
+    // FIXME: do we need to do anything if the pbuffer is double-buffered?
+    // For now, just grab the pixels for the render-to-texture support.
+    if (rtt && !hasRTT) {
+      if (DEBUG) {
+        System.err.println("Copying pbuffer data to GL_TEXTURE_2D state");
+      }
+
+      GL gl = getGL();
+      gl.glCopyTexSubImage2D(textureTarget, 0, 0, 0, 0, 0, width, height);
+    }
+    */
+  }
+
+  private void createPbuffer(long parentHdc, GL gl) {
     int[]   iattributes = new int  [2*MAX_ATTRIBS];
     float[] fattributes = new float[2*MAX_ATTRIBS];
     int nfattribs = 0;
@@ -358,35 +393,6 @@ public class WindowsPbufferGLDrawable extends WindowsGLDrawable {
     }
   }
 
-  public GLCapabilities getCapabilities() {
-    return capabilities;
-  }
-
-  public long getPbuffer() {
-    return buffer;
-  }
-
-  public int getFloatingPointMode() {
-    return floatMode;
-  }
-
-  public void swapBuffers() throws GLException {
-    // FIXME: this doesn't make sense any more because we don't have
-    // access to our OpenGL context here
-    /*
-    // FIXME: do we need to do anything if the pbuffer is double-buffered?
-    // For now, just grab the pixels for the render-to-texture support.
-    if (rtt && !hasRTT) {
-      if (DEBUG) {
-        System.err.println("Copying pbuffer data to GL_TEXTURE_2D state");
-      }
-
-      GL gl = getGL();
-      gl.glCopyTexSubImage2D(textureTarget, 0, 0, 0, 0, 0, width, height);
-    }
-    */
-  }
-
   private static String wglGetLastError() {
     return WindowsGLContextFactory.wglGetLastError();
   }
-- 
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