Bug 599 - FBObject / Offscreen Support - Part 1

- New FBObject implementation handling FBO and it's attachments  *** API CHANGE: Util -> Core ***
  while it's size and sample-count can be reconfigured on the fly.
    - com.jogamp.opengl.util.FBObject -> com.jogamp.opengl.FBObject
    - agnostic to texture unit
    - separate attachments using OO hierarchy reflecting FBO
    - handling MSAA and blitting
    - no FBO destruction for reconfig (attach/detach)

- New GLFBODrawableImpl impl. an FBObject based GLDrawable
   - Instantiated by a dummy native surface (onscreen and invisible)
     hooked up to a dummy GLDrawable, which is the delegation for context creation.

   - Utilizies ProxySurface.UpstreamSurfaceHook for dummy surface
     avoiding specialization for native platforms.

   - TODO: Allow to utilize common surface interface as a
     dummy-surface to supporting API seperation of
     windowing/GL. The latter allows impl. of createGLDrawable(NativeSurface)
     with FBO.

- New OffscreenAutoDrawable (extends GLAutoDrawableDelegate)
  for all offscreen drawables. Shall replace GLPbuffer.

- New GLCapabilities*.isFBO() / setFBO(boolean) to request FBO offscreen,
  similar to isPBuffer(). Rule: if both are requested, FBO shall be favored.

- GLContext adds raw FBO availability query (min. FBO avail),
  FBObject contains fine grained queries (TODO: Move parts to GLContext for efficiency).

- Add framebuffer tracking, allowing fast querying:
  - GLBase/GLContext:
      public int getBoundFramebuffer(int target);
      public int getDefaultDrawFramebuffer();
      public int getDefaultReadFramebuffer();

  - GLContextImpl
      public final void setBoundFramebuffer(int target, int framebufferName)
      .. called by GL impl bind framebuffer

- GL: getDefaultDrawFramebuffer(), getDefaultReadFramebuffer()
  Adding default framebuffer queries being issued by
  GL.glBindFramebuffer(target, 0) w/ a default framebuffer, o.e. zero.
  This allows a transparent use of a custom FBO even in case the applications
  attempts to reset FBO to zero.
    Value flow: GL <- GLContext <- GLDrawable,

- GLCapabilities handle fbo/pbuffer seperate, don't disable the other

- GLContext/GL track read/write framebuffer to be queried by FBObject
  to determine whether to bind/unbind  a framebuffer

- Test cases for multiple FBO w/ and w/o MSAA

Other Features:

- New interface ProxySurface.UpstreamSurfaceHook,
  allowing to hook an upstream surface of unknown type
  providing lifecycle and information (size, ..) callbacks.
  Used for all new dummy NativeSurface impl and SWT GLCanvas.

  - GLContext -> GLDrawable propagation context/drawable lifecycle
    via ProxySurface.UpstreamSurfaceHook allowing dynamic resources
    to react (create, init, ..)
    - contextRealized()
    - contextMadeCurrent()

- SurfaceChangeable -> MutableSurface
  currently only contains setting the surface handle.

  TODO: May need to move ProxySurface.UpstreamSurfaceHook -> MutableSurface.UpstreamSurfaceHook,
        allowing other impl. classes (NEWT OffscreenWindow) to utilize the new
        upstream hookup mechanism - will allow FBO/Dummy window to work.

- SWT GLCanvas using ProxySurface.UpstreamSurfaceHook for proper size
  propagation.

- New GLAutoDrawable::getUpstreamWidget(), allowing GLEventListener
  to fetch the owning Java side UI element (NEWT, SWT, AWT, ..).

- GLDrawableFactory: Removed createOffscreenSurface() - unused and not GL related

- EGLDrawableFactory handles device/profile avail. mapping
  while actually creating context/drawable.
  This allows us to learn whether the ES context is software/hardware as well as FBO avail.

- EGLDrawable: Removed secret buckets of EGL configs :)
  Employ native surface (X11, WGL, ..) to EGL 'mapping' in
  EGLDrawableFactory utilizing new EGLUpstreamSurfaceHook (implements ProxySurface.UpstreamSurfaceHook).

Other Bugs:

- Add CTX_OPTION_DEBUG to ctx/extension cache key since only a debug ctx
  may expose the ARB debug capability.
  This bug caused lack of ARB/AMD debug functionality.

- Fix GLProfile deadlock (debug mode, w/ EGL/ES, no X11),
  dump availability information _after_ lock.

- ImmModeSink draw(): Use GL's glDrawElements(..), don't cast for GL2ES1.
  Fixes use for GL2ES2.

- Fix KeyEvent.getKeyChar() comment (-> only stable for keyTyped(..))

Misc:

- Refined alot of API doc

- New GLExtensions holds commonly used GL extension strings,
  allows better referencing and usage lookup.

- Move GL (interface) decl. to GLBase

- GLBuffers: Cleanup API doc (format, types)

- TextureIO: Add PAM and PPM static suffix identifier

- GLCapabilities getNumSamples() returns 0 if sampleBuffers is disabled, this seems to be more natural.

- finalized a lot

2 files changed, 7 insertions, 8 deletions

diff --git a/doc/Platform.GLES.txt b/doc/Platform.GLES.txt
index 0bcd3bc8b..901e040c4 100644
--- a/doc/Platform.GLES.txt
+++ b/doc/Platform.GLES.txt
@@ -33,7 +33,7 @@ a request for e.g. GL2ES2 will utilize the highest common desktop profile.
 ...>
 
 Linux:
-    PVRVFrame 2.09.29.0649
+    PVRVFrame 2.09.29.0649, Version_REL_2.10
         Debian Wheezy/testing x64, NV 290.10, 32bit libraries: OK
             GL_VENDOR     Imagination Technologies (Host GL: `NVIDIA Corporation`)
             GL_RENDERER   PowerVR PVRVFrame 8.1 SGX (Host GL: `GeForce GTX 460/PCI/SSE2`)
@@ -75,7 +75,7 @@ Linux:
         Ubuntu 11.10 x64, AMD Catalyst 12.1, 64bit libraries, libgles2-mesa 7.11-0ubuntu3: Error (swrast error, null values)
 
 Windows:
-    PVRVFrame 2.09.29.0649
+    PVRVFrame 2.09.29.0649, Version_REL_2.10
        Windows7 64bit, NV 290.10, 32bit libraries: OK 
             GL_VENDOR     Imagination Technologies (Host GL: `NVIDIA Corporation`)
             GL_RENDERER   PowerVR PVRVFrame 8.1 SGX (Host GL: `GeForce GTX 460/PCIe/SSE2`)
diff --git a/doc/TODO.txt b/doc/TODO.txt
index f86d31e4c..82f013265 100644
--- a/doc/TODO.txt
+++ b/doc/TODO.txt
@@ -1,16 +1,15 @@
 WIP:
 
+- GLPbuffer -> GLOffscreenAutoDrawable
+    - GLPbuffer GLDrawableFactory.createPbuffer() ->
+      GLOffscreenAutoDrawable GLDrawableFactory.createOffsceenAutoDrawable()
+    - Mark both deprecated!
+
 Random, somewhat old to-do list:
 
 - Non-const array types must be properly released with JNI_COMMIT in
   order to see side effects if the array was copied.
 
-- figure out how to deal with WGL entry points:
-    WINGDIAPI HGLRC WINAPI wglCreateLayerContext(HDC, int);
-    WINGDIAPI BOOL  WINAPI wglUseFontBitmapsA(HDC, DWORD, DWORD, DWORD);
-    WINGDIAPI BOOL  WINAPI wglUseFontBitmapsW(HDC, DWORD, DWORD, DWORD);
-  see commented-out section in make/stub_includes/win32/wingdi.h
-
 - Need a disciplined mechanism for converting char* argument types. For
   example, many C functions accept a "char*" argument with the semantic that
   output data will be written into the buffer pointed to by the