Mercurial > sdl-ios-xcode
annotate README.NanoX @ 4391:07b330419439 SDL-1.2
Fixed bug #849 some more:
Tim Angus 2009-11-26 14:41:04 PST
Fix to the cursor not being responsive when the app doesn't have
SDL_APPINPUTFOCUS
The problems with the directx driver are similar to the ones I introduced in
the windib driver with r4478. Basically if the application did not have focus,
the mouse position is not updated. It's not really that the mouse cursor was
invisible, it's that it is stuck underneath another window where you can't see
it. This behaviour predates my r4478 changes and is the reason I unwittingly
broke the windib driver as I had been replicating the way the directx driver
deals with focus. Prior to r4478 the directx driver could not be used in
windowed mode, so the broken focusing would not have actually been observable.
Anyway, the attached patch makes the directx driver behaves like the windib
driver in terms of focus.
Time for 1.2.15? ;)
I've added an additional change of moving the calls to WIN_GrabInput that are
made on WM_ACTIVATE messages so that they only occur when the state is
SDL_APPINPUTFOCUS. When a fullscreen application is minimised using alt-tab, it
still receives WM_ACTIVATE messages when other applications are selected. If
WIN_GrabInput is called when the SDL application doesn't have input focus, bad
things happen; it shouldn't be being called at all.
I've also added a line to make sure that SDL_APPMOUSEFOCUS state is dropped
when the application is minimised following an alt-tab.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 11 Dec 2009 15:24:53 +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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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 |