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-
- Mesa 6.3 release notes
-
- July 20, 2005
-
- 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
----------------------------------
-
-Implementing this extension involved changing a lot of code (for the better).
-
-The gl_framebuffer object now a collection of gl_renderbuffer objects.
-Renderbuffers may store colors, stencil indices, or depth values. The
-gl_framebuffer and gl_renderbuffer types are object-oriented in design.
-
-All the old RGB, color index, stencil and depth-related span functions for
-reading/writing pixels from/to buffers has changed. Now, all pixels are
-read/written through a set of common renderbuffer functions (methods).
-
-Most device drivers have been updated for these changes, but some haven't.
-
-
-
-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
-
-
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