140 lines
5.0 KiB
Plaintext
140 lines
5.0 KiB
Plaintext
File: docs/README.WIN32
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Last updated: Jul 01, 2005 - Karl Schultz - kschultz@users.sourceforge.net
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Quick Start
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----- -----
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Unzip both ZIP files (MesaLib and MesaDemos) into the same directory.
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The libs and demos build separately, so if you do not care about the
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demos, you do not have to unzip that zip file. But if you do, it does
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need to be unzipped into the same directory as the lib zip file
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because the demos depend on the libs.
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The Windows build system uses Microsoft Visual Studio. Project files
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for a specific version of Visual Studio are in their own directory in
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the top-level "windows" directory. For example, Visual Studio 6 files
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are in windows/VC6. If a directory does not exist for your version of
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Visual Studio, you can try importing the project files from an earlier
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version of Visual Studio. At this time, project files exist for
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Version 6 and Version 7. The code has been built with a beta version
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of Version 8 and it runs on 64-bit Windows. If you want to try this,
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start by importing the VC7 files and create the 64-bit targets in the
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configuration manager.
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The project files to build the core Mesa library, Windows Mesa
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drivers, OSMesa, and GLU are in the mesa directory. The project files
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to build GLUT and some demo programs are in the progs directory.
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Makefiles are no longer shipped or supported, but can be generated
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from the projects using Visual Studio.
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Windows Drivers
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------- -------
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At this time, only the GDI driver is known to work, as it has been
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ported and rewritten to the latest Mesa DD interfaces. Source code
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also exists in the tree for other drivers in src/mesa/drivers/windows,
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but the status of this code is unknown.
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The GDI driver operates basically by writing pixel spans into a DIB
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section and then blitting the DIB to the window. The driver was
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recently cleaned up and rewitten and so may have bugs or may be
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missing some functionality. The older versions of the CVS source may
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be useful in figuring out any problems, or report them to me.
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To build Mesa with the GDI driver, build the mesa, gdi, and glu
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projects in the Visual Studio workspace found at
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windows/VC6/mesa/mesa.dsw
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or
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windows/VC7/mesa/mesa.sln
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The osmesa DLL can also be built with the osmesa project.
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The build system creates a lib top-level directory and copies
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resulting LIB and DLL files to this lib directory. The files are:
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OPENGL32.LIB, GLU32.LIB, OSMESA32.LIB
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OPENGL32.DLL, GLU32.DLL, OSMESA32.DLL
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If the MesaDemos ZIP file was extracted, the DLL files are also copied
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to the demos directory. This facilitates running the demos as described
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below.
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GLUT and Demos
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---- --- -----
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A Visual Studio workspace can be found at
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windows/VC6/progs/progs.dsw
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or
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windows/VC7/progs/progs.sln
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It can be used to build GLUT and a few demos. The GLUT lib and DLL
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are copied to the top-level lib directory, along with the Mesa libs.
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The demo build system expects to find the LIB files in the top level
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lib directory, so you must build the Mesa libs first. The demo
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executables are placed in the demos directory, because some of them
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rely on data files found there. Also, the Mesa lib DLL's were copied
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there by the Mesa lib build process. Therefore, you should be able to
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simply run the demo executables from the demo directory.
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If you want to run the demos from the Visual Studio, you may have to
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change the startup directory and explicitly state where the executables are.
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Build System Notes
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----- ------ -----
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VC6
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---
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Visual Studio 6 does not recognize files with the .cc extension as C++
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language files, without a lot of unnatural tweaking. So, the VC6
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build process uses custom build steps to compile these files in the
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GLU library.
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VC7
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---
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The above-mentioned .cc problem does not exist in this version.
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General
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-------
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After building, you can copy the above DLL files to a place in your
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PATH such as $SystemRoot/SYSTEM32. If you don't like putting things
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in a system directory, place them in the same directory as the
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executable(s). Be careful about accidentially overwriting files of
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the same name in the SYSTEM32 directory.
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The DLL files are built so that the external entry points use the
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stdcall calling convention.
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Static LIB files are not built. The LIB files that are built with are
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the linker import files associated with the DLL files.
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The si-glu sources are used to build the GLU libs. This was done
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mainly to get the better tessellator code.
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To build "mangled" Mesa, add the preprocessor define USE_MGL_NAMESPACE
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to the project settings. You will also need to edit src/mesa.def to
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change all the gl* symbols to mgl*. Because this is easy to do with a
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global replace operation in a text editor, no additional mangled
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version of mesa.def is maintained or shipped.
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If you have a Windows-related build problem or question, it is
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probably better to direct it to me (kschultz@users.sourceforge.net),
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rather than directly to the other Mesa developers. I will help you as
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much as I can. I also monitor the Mesa mailing lists and will answer
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questions in this area there as well.
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Karl Schultz
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