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authormarha <marha@users.sourceforge.net>2011-09-08 10:54:11 +0200
committermarha <marha@users.sourceforge.net>2011-09-08 10:54:11 +0200
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mesa git update 8 sep 2011
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-
- WindML Driver for Mesa 4.0
-
-
-Requirements
-------------
-
-Tornado 2 + WindML, Cumulative Patchs are recommended.
-
-I suppose you have a valid WindML installation. Double buffer hardware
-gives better performance than double buffer software so if you can
-compile your WindML driver with this option, just do it. I/O
-redirection is adviced in target server.
-
-
-Tested on
----------
-
-During the development, my main target was a CoolMonster:
-- Video card: CT69000
-- CPU: PENTIUM 266MHz
-
-and my host a Windows NT + Tornado 2.
-
-
-Installation
-------------
-
-1. Mesa sources must be in root directory (C:\)
-
-2. Add the following line to your torVars.bat:
-set MESA_BASE=C:\Mesa
-
-OR copy the new torVars.bat in your bin path:
-c:/Mesa/src/ugl/tornado/torVars.sample ->
-/mnt/nt/Tornado/host/x86-win32/bin/torVars (for example)
-
-3. In a command prompt:
-$ torVars
-$ cd c:\Mesa
-$ make -f Makefile.ugl CPU=PENTIUM
-
-Take a long while...
-
-5. Include all the files from ugldemos folder to build some downloadable
- application modules
-
-4. Download UGL/Mesa object files on target
-
-For example via the WindShell:
-ld < c:\Tornado\target\lib\objMesaGL.o
-ld < c:\Tornado\target\lib\objMesaUGL.o
-ld < c:\Tornado\target\lib\objMesaGLU.o
-ld < c:\Tornado\target\lib\objGLUTshapes.o
-ld < c:\Tornado\target\lib\objMesaOS.o
-
-You can put the previous lines in a file and use:
-< filename
-
-6. Download the application modules.
-
-7. In WindShell, run:
--> uglalldemos
-
-During the show some messages will appear, it provides some useful
-information on key management.
-
-
-Coding
-------
-
-Sample Usage:
-
-In addition to the usual ugl calls to initialize UGL, (may be find an
-input driver), you must do the following to use the UGL/Mesa interface:
-
-1. Call uglMesaCreateContext() to create a UGL/Mesa rendering context,
- given the display format.
-
-2. Call uglMesaMakeCurrent() to bind the UGL/Mesa buffers to an
- UGL/Mesa Context and to make the context the current one.
-
-3. Make gl* calls to render your graphics.
-
-4. Use uglMesaSwapBuffers() when double buffering to swap front/back buffers.
-
-5. Before the UGL is destroyed, call MesaDestroyContext().
-
-6. Before exiting, call if required uglEventQDestroy and then
- uglDeinitialize();
-
-Limitations
------------
-
-I found the following limitations in my driver :
- - Color Indexed management is only in 8 bits
- - It's possible to mix UGL/OpenGL application with a software
- double buffer
-
-Modifications
-------------
-
-New files in Mesa:
-- Makefile.ugl
-- rules.windmlmesa
-- docs/README.UGL
-- include/GL/uglmesa.h
-- si-glu/Makefile.ugl
-- src/Makefile.ugl
-- src/ugl/torGLUTShapesInit.c
-- src/ugl/torMesaUGLInit.c
-- src/ugl/ugl_api.c
-- src/ugl/ugl_dd.c
-- src/ugl/ugl_glutshapes.c
-- src/ugl/ugl_line.c
-- src/ugl/ugl_span.c
-- src/ugl/ugl_tri.c
-- src/ugl/uglmesaP.h
-- ugldemos/*
-
-Modified files in Tornado 2.0:
-- c:\Tornado\host\x86-win32\bin\torVars.bat
-rem Command line build environments
-set WIND_HOST_TYPE=x86-win32
-set WIND_BASE=C:\Tornado
-set MESA_BASE=C:\Mesa
-set PATH=%WIND_BASE%\host\%WIND_HOST_TYPE%\bin;%PATH%
-- c:\Tornado\target\config\comps\VxWorks\01uglmesa.cdf
-- c:\Tornado\target\h\GL\*
-
-Todo
-----
-- GCC 2.96, ASM compilation
-
-Thanks to:
-----------
-
-Precision Insight team for their great job around Mesa, XFree, and DRI.
-Wind River Systems to take me as an intern.
-
-
-Stephane Raimbault
-<stephane.raimbault@windriver.com>
-<stephane.raimbault@deesse.univ-lemans.fr>
-
-July 24, 2001