-Introduction
+* Introduction
-Mesa 3.1 features a new driver for the BeOS. The new driver implements
+Mesa 4.1 features a driver for the BeOS. The driver implements
a clone of the BGLView class. This class, derived from BView, allows
OpenGL rendering into a BeOS window.
+The 4.1 BeOS driver is an update of Brian Paul's BeOS driver released in Mesa 3.1.
Any application which uses the BGLView should be able to use Mesa
instead of Be's OpenGL without changing any code.
-Since Be's OpenGL implementation (as of R4) is basically just the
+Since Be's OpenGL implementation (as of R5) is basically just the
SGI sample implementation, it's pretty slow. You'll see that Mesa
is considerably faster.
-Source Code
+* Source Code
-The source code for the driver is in Mesa-3.1/src/BeOS/GLView.cpp
+The source code for the driver is in Mesa-4.1/src/BeOS/ directory.
It's not 100% finished at this time but many GLUT-based demos are
working. No optimizations have been made at this time.
-Compiling
+* Compiling
-Simply cd to the Mesa-3.x directory and type "make beos-r4".
-When it finishes the libMesaGL.so and libMesaGLU.so libraries for
-BeOS will be in the Mesa-3.x/lib/ directory.
+Requirements:
+ - gcc version 2.95.3 for BeOS
+ You can find it here: http://www.bebits.com/app/2157
+Move to the Mesa-4.x src sub-directory and then type "make -f Makefile.BeOS-R5".
+When it finishes the Mesa based libGL.so library for
+BeOS will be in the Mesa-4.x/src/obj.{x86|ppc}/ directory.
+To install it as Be's default libGL.so replacement, put it in your
+/boot/home/config/lib/ directory. All your GL/GLUTapps will use
+the Mesa based then.
-Example Programs
+By default, it build a non-debug version library.
+The x86 (MMX, SSE and 3DNOW) optimizations are also supported for x86 target.
+Sorry, Mesa don't have ppc (Altivec) optimizations yet.
-Look in the Mesa-3.x/BeOS/ directory for one or two BGLView demo
+
+* Example Programs
+
+Look in the Mesa-4.x/BeOS/ directory for one or two BGLView demo
programs. They should have been compiled along with the Mesa
library.
+* GLUT
-GLUT
-
-A version of GLUT 2.5 for BeOS can be found in src-glut.beos/.
+A beta version of GLUT 3.7 port for BeOS can be found at
+http://anobject.com/jehamby/Code/Glut-3.7-x86.zip.
+
+There's is a 2.5 version in src-glut.beos/, too.
The original distribution can be obtained from
http://home.beoscentral.com/jehamby/Glut-3.5-x86.zip
-This is a special version of GLUT adapted for the BeOS. I don't
+They are special version of GLUT adapted for the BeOS. I don't
believe Mark Kilgard's normal GLUT distribution includes BeOS
support.
-It seems that you have to recompile GLUT with libMesaGL.so instead
-of libGL.so in order for everything to work. I'm not sure why.
-
-
-Special Features
+* Special Features
Mesa's implementation of the BGLView class has an extra member
function: CopySubBufferMESA(). It basically works like SwapBuffers()
-Work Left To Do
+* Work Left To Do
+
+BDirectWindow single buffering support is not implemented yet.
Color index mode is not implemented yet.
-Old BeOS Driver
+* Old BeOS Driver
Mesa 2.6 had an earlier BeOS driver. It was based on Mesa's Off-screen
rendering interface, not BGLView. If you're interested in the older
-BeOS and Glide
+* BeOS and Glide
Mesa 3.0 supported the 3Dfx/Glide library on Beos. Download Mesa 3.0
if interested. Ideally, the 3Dfx/Glide support should be updated to
----------------------------------------------------------------------
-$Id: README.BEOS,v 1.5 1999/03/03 02:34:04 brianp Exp $
+$Id: README.BEOS,v 1.7 2002/09/19 16:19:44 brianp Exp $
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