README.NanoX
author Sam Lantinga <slouken@libsdl.org>
Thu, 06 May 2004 15:55:06 +0000
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Date: Sat, 24 Apr 2004 15:13:32 +0300 From: "Mike Gorchak" Subject: SDL updates for the QNX6 1. Updated the README.QNX 2. Updated libtool scripts, which are shipped with SDL for QNX6 support. 3. Added some code to support the new QNX 6.3.0, which is in beta now. 4. Added code to detect the hw features, which driver supports. 5. Added hw alpha blits code. 6. Fixed bug when application switches to fullscreen more the 2 times. (afte\ r that window becames always stay on top). 7. Updated a bit README for the tests. 8. Added information about acceleration show in the testalpha.c test. 9. Added small fixes to the testoverlay2.c test. 10. Added alpha and cc+alpha blits benchmarks to the testvidinfo.c test.
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  =================================================================
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  Patch version 0.9 of SDL(Simple DirectMedia Layer) for Nano-X API
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  =================================================================
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  Authors: Hsieh-Fu Tsai, clare@setabox.com
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           Greg Haerr, greg@censoft.com
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  This patch is against SDL version 1.2.4.
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  It enhances previous patch 0.8 by providing direct framebuffer
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  access as well as dynamic hardware pixel type support, not
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  requiring a compile-time option setting for different framebuffer
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  modes.
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  Tested against Microwindows version 0.89pre9.
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  Older Microwindows versions
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  ===========================
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  If running on a version older than Microwindows 0.89pre9,
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  the following items might need to be patched in Microwindows.
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  1. Patch src/nanox/client.c::GrClose()
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  It fixes the client side GrClose(). In the original version, 
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  GrOpen() can only be called once. When the GrOpen() is called at 
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  the second time, the program will terminate. In order to prevent
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  this situation, we need to insert "nxSocket = -1" after 
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  "close(nxSocket)" in GrClose(). If you do not have this problem,
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  you may skip this step. 
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  2. Patch src/nanox/clientfb.c to return absolute x,y coordinates
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  when using GrGetWindowFBInfo().  Copy the version 0.89pre9
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  of src/nanox/clientfb.c to your system, or configure
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  using --disable-nanox-direct-fb.
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  =============
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  Quick Install 
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  =============
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  1. ./configure --disable-video-x11 --disable-video-fbcon \ 
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       --enable-video-nanox \ 
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       --with-nanox-pixel-type=[rgb/0888/888/565/555/332/pal] 
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  2. make clean 
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  3. make 
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  4. make install (as root) 
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  ============
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  Nitty-gritty 
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  ============
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  --enable-nanox-direct-fb       Use direct framebuffer access
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  --enable-nanox-debug           Show debug messages 
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  --enable-nanox-share-memory    Use shared-memory to speed up 
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  When running multi-threaded applications using SDL, such
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  as SMPEG, set THREADSAFE=Y in Microwindows' config file,
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  to enable GrXXX() system call critical section support.
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  =============================================
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  Some programs can be used to test this patch. 
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  =============================================
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  1. http://www.cs.berkeley.edu/~weimer/atris (a tetris-like game) 
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  2. http://www.libsdl.org/projects/newvox/
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  3. http://www.libsdl.org/projects/xflame/
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  4. http://www.libsdl.org/projects/optimum/ 
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  5. http://www.gnugeneration.com/software/loop/ 
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  6: http://www.lokigames.com/development/smpeg.php3 (SMPEG version 0.4.4)
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  =========
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  Todo List 
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  =========
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  1. Create hardware surface
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  2. Create YUVOverlay on hardware
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  3. Use OpenGL
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  4. Gamma correction
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  5. Hide/Change mouse pointer
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  6. Better window movement control with direct fb access
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  7. Palette handling in 8bpp could be improved
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  =====================
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  Supporting Institutes
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  =====================
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  Many thanks to go to Setabox Co., Ltd. and CML (Communication and
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  Multimedia Laboratory, http://www.cmlab.csie.ntu.edu.tw/) in the 
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  Department of Computer Science and Information Engineering of 
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  National Taiwan University for supporting this porting project.
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  Century Embedded Technologies (http://embedded.censoft.com)
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  for this patch.
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  ===================
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  Contact Information
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  ===================
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  Welcome to give me any suggestion and to report bugs.
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  My e-mail address : clare@setabox.com or niky@cmlab.csie.ntu.edu.tw
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                      or greg@censoft.com