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From: Torsten Giebl Subject: ALLOCA Patch for SDL-1.2 Newsgroups: gmane.comp.lib.sdl Date: 2006-10-24 00:31:16 GMT Hello ! As alloca.h is not available on CYGWIN and MinGW32 it should not be checked there or it should be checked with -mno-cygwin using. I am a total configure.in newbie, but i found the way that things are handled in configure.in pretty bad for the case CYGWIN with MinGW Mode or not. Maybe this is not possible but i would like to have a way to detect at the start for example CYGWIN and then add. ask if configure was called with --enable-cygwin for example. --enable-cygwin should be optional and disabled by default as we want to have MinGW Mode by default. Only if the user wants it he should be able to use it. Then the whole configure.in would get add. questions okay the system is CYGWIN with or without MinGW Mode. The alloca.h thing for example is only available under CYGWIN ( without MinGW Mode ). CU
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 01 Dec 2006 20:25:03 +0000
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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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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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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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33 =============
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34 Quick Install
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35 =============
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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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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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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