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File: docs/README.WIN32
Last updated: Sep 18, 2003 - Karl Schultz - kschultz@users.sourceforge.net
Quick Start
Unzip both ZIP files (MesaLib and MesaDemos) into the same directory.
The libs and demos build separately, so if you do not care about the
demos, you do not have to unzip that zip file. But if you do, it does
need to be unzipped into the same directory as the lib zip file because
the demos depend on the libs.
The build system has been changed to use Microsoft Visual Studio project
workspaces and projects. Makefiles are no longer shipped or supported, but
can be generated from the projects using Visual Studio.
Details and Notes
- To build the Mesa libraries, open the Mesa.dsw workspace file
in the top directory. You can build each project one-by-one,
or build the glut project to build everything except osmesa,
which needs to be built separately. The build process will
create a lib directory in the top directory and will put the
following files there:
OPENGL32.LIB, GLU32.LIB, GLUT32.LIB, OSMESA32.LIB
OPENGL32.DLL, GLU32.DLL, GLUT32.DLL, OSMESA32.DLL
- After building, you can copy the above DLL files to a place in your PATH
such as $SystemRoot/SYSTEM32. If you don't like putting things in a
system directory, place them in the same directory as the executable(s).
Be careful about accidentially overwriting files of the same name in
the SYSTEM32 directory.
- Build the demos by opening the appropriate *.dsw file in the
progs directory tree. For example, to build the demos, use
progs/demos/Windows/demos.dsw. The Windows directory contains
the workspace and all the projects for each demo program. Each
project places the executable in the same directory as its source
code, which is required for some demos.
- The demo projects also copy the Mesa library DLL files from the lib
directory into the same directory as the demo executables, so that
the demos use the Mesa libs you just built.
- The DLL files are built so that the external entry points use the
stdcall calling convention.
- Static LIB files are not built. The LIB files that are built with
are the linker import files associated with the DLL files.
- The si-glu sources are used to build the GLU libs. This was done
mainly to get the better tessellator code.
- The osmesa driver builds and should work on Windows as well as
any other platform.
- The Windows driver (in src/Windows) builds and runs at least at
a minimal level. I modified this driver to work with the new
Mesa 4.0 code and driver architecture, but I did not do a great
deal of optimization and testing. There are many opportunities
for optimization, many of which can be done by coding more specific
paths for the rasterizers. See src/osmesa/osmesa.c for some good
examples.
- There is DirectDraw support in the Windows driver, updated by
Daniel Slater. You'll need to uncomment the #define DDRAW line
in src/Windows/wmesadef.h and add ddraw.lib to the list of libraries.
On some systems, you will acheive significantly higher framerates
with DirectDraw.
- Some of the more specialized code like FX drivers, stereo, and
parallel support isn't compiled or tested. I left much of this
code alone, but it may need some work to get it 'turned on' again.
- No assembly code is compiled or assembled. Again, this may need
some work to turn it back on or use it again.
- To build "mangled" Mesa, add the preprocessor define USE_MGL_NAMESPACE
to the project settings. You will also need to edit src/mesa.def to change
all the gl* symbols to mgl*. Because this is easy to do with a global
replace operation in a text editor, no additional mangled version of mesa.def
is maintained or shipped.
If you have a Windows-related build problem or question, it is
probably better to direct it to me (kschultz@users.sourceforge.net),
rather than directly to the other Mesa developers. I will help you
as much as I can. I also monitor the Mesa mailing lists and will
answer questions in this area there as well.
Karl Schultz
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