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annotate README.NanoX @ 2368:83a6323c3f40 gsoc2008_iphone

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added SDL_LOADSO_DLOPEN macro
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Fri, 18 Jul 2008 18:23:23 +0000
parents 26dafefeebb2
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1 =================================================================
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2 Patch version 0.9 of SDL(Simple DirectMedia Layer) for Nano-X API
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3 =================================================================
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4
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5 Authors: Hsieh-Fu Tsai, clare@setabox.com
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6 Greg Haerr, greg@censoft.com
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8 This patch is against SDL version 1.2.4.
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9 It enhances previous patch 0.8 by providing direct framebuffer
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10 access as well as dynamic hardware pixel type support, not
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11 requiring a compile-time option setting for different framebuffer
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12 modes.
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13 Tested against Microwindows version 0.89pre9.
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15 Older Microwindows versions
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16 ===========================
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17 If running on a version older than Microwindows 0.89pre9,
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18 the following items might need to be patched in Microwindows.
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19
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20 1. Patch src/nanox/client.c::GrClose()
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21 It fixes the client side GrClose(). In the original version,
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22 GrOpen() can only be called once. When the GrOpen() is called at
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23 the second time, the program will terminate. In order to prevent
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24 this situation, we need to insert "nxSocket = -1" after
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25 "close(nxSocket)" in GrClose(). If you do not have this problem,
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26 you may skip this step.
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28 2. Patch src/nanox/clientfb.c to return absolute x,y coordinates
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29 when using GrGetWindowFBInfo(). Copy the version 0.89pre9
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30 of src/nanox/clientfb.c to your system, or configure
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31 using --disable-nanox-direct-fb.
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32
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33 =============
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34 Quick Install
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35 =============
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36
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37 1. ./configure --disable-video-x11 --disable-video-fbcon \
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38 --enable-video-nanox \
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39 --with-nanox-pixel-type=[rgb/0888/888/565/555/332/pal]
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40 2. make clean
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41 3. make
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42 4. make install (as root)
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43
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44 ============
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45 Nitty-gritty
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46 ============
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47
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48 --enable-nanox-direct-fb Use direct framebuffer access
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49 --enable-nanox-debug Show debug messages
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50 --enable-nanox-share-memory Use shared-memory to speed up
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51
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52 When running multi-threaded applications using SDL, such
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53 as SMPEG, set THREADSAFE=Y in Microwindows' config file,
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54 to enable GrXXX() system call critical section support.
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55
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56 =============================================
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57 Some programs can be used to test this patch.
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58 =============================================
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59
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60 1. http://www.cs.berkeley.edu/~weimer/atris (a tetris-like game)
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61 2. http://www.libsdl.org/projects/newvox/
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62 3. http://www.libsdl.org/projects/xflame/
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63 4. http://www.libsdl.org/projects/optimum/
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64 5. http://www.gnugeneration.com/software/loop/
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65 6: http://www.lokigames.com/development/smpeg.php3 (SMPEG version 0.4.4)
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66
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67 =========
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68 Todo List
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69 =========
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70
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71 1. Create hardware surface
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72 2. Create YUVOverlay on hardware
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73 3. Use OpenGL
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74 4. Gamma correction
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75 5. Hide/Change mouse pointer
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76 6. Better window movement control with direct fb access
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77 7. Palette handling in 8bpp could be improved
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78
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79 =====================
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80 Supporting Institutes
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81 =====================
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82
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83 Many thanks to go to Setabox Co., Ltd. and CML (Communication and
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84 Multimedia Laboratory, http://www.cmlab.csie.ntu.edu.tw/) in the
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85 Department of Computer Science and Information Engineering of
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86 National Taiwan University for supporting this porting project.
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87
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88 Century Embedded Technologies (http://embedded.censoft.com)
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89 for this patch.
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90
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91 ===================
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92 Contact Information
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93 ===================
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94
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95 Welcome to give me any suggestion and to report bugs.
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96 My e-mail address : clare@setabox.com or niky@cmlab.csie.ntu.edu.tw
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97 or greg@censoft.com