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Mesa 6.3 release notes
July 20, 2004
PLEASE READ!!!!
Introduction
------------
Mesa uses an even/odd version number scheme like the Linux kernel.
Odd numbered versions (such as 6.3) designate new developmental releases.
Even numbered versions (such as 6.2) designate stable releases.
New Features
------------
GL_ARB_draw_buffers - allows a fragment program to write to a number of
separate color buffers, instead of just one.
GL_OES_read_format - allows one to query the fastest glReadPixels format
and datatype.
GL_ARB_pixel_buffer_object - buffer objects for pixel read/write functions.
GL_EXT_framebuffer_object - allows render-to-texture and provides a
window-system indepedent Pbuffer facility
The Mesa CVS tree contains a couple tests of this extension.
DirectFB driver, contributed by Claudio Ciccani. See docs/README.directfb
for details.
Vertex/Fragment Program PRINT Instruction
-----------------------------------------
The GL_NV_vertex_program and GL_NV_fragment_program languages have been
extended with a PRINT instruction.
glDeleteTextures(), glDeletePrograms() and glDeleteBuffers() Changed
--------------------------------------------------------------------
To match the behaviour of other OpenGL implementations, glDeleteTextures,
glDeletePrograms and glDeleteBuffers have been modified so that:
* The named texture/program/buffer ID is immediately freed for re-use.
* The actual texture object, program or buffers isn't really deleted until
it is no longer bound in any rendering context (the reference count
is zero).
Previously, the texture/program/buffer ID wasn't freed until the object
was really deleted.
Note that textures, programs and buffers can be shared by several rendering
contexts so they can't be deleted until they're unbound in _all_ contexts.
GL_EXT_framebuffer_object changes
---------------------------------
XXX describe all the changes made for this extension.
To Do (someday) items
---------------------
Switch to freeglut
Increase MAX_DRAWBUFFERS
driver hooks for BeginQuery/EndQuery
Miscellaneous
-------------
The main/get.c file is now generated with a Python script (get_gen.py).
Driver Status
---------------------- ---------------------
XMesa (Xlib) implements OpenGL 1.5
OSMesa (off-screen) implements OpenGL 1.5
Glide (3dfx Voodoo1/2) implements OpenGL 1.3
SVGA implements OpenGL 1.3
Wind River UGL implements OpenGL 1.3
Windows/Win32 implements OpenGL 1.5
DJGPP implements OpenGL 1.5
GGI implements OpenGL 1.3
BeOS implements OpenGL 1.5
Allegro needs updating
D3D needs updating
----------------------------------------------------------------------
$Id: RELNOTES-6.3,v 3.11 2005/07/19 21:01:46 brianp Exp $
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