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Date: 28 Jun 2003 22:42:52 +0100 From: Alan Swanson Subject: Re: [SDL] New XFree 4.3 Video Mode Patch I have a wee amendment that moves the qsort in set_best_resolution to only occur after failing to find an exact match only. This would make absolutely sure we get a user set mode. While I've never had any problems for my normal resolutions (1280x1024, 1024x768, 800x600 & 640,480) while closely examining the output from qsort I've noticed it doesn't seem to sort the modes fully. These is one definite wrong at 1152x768 and a few that just look wrong to me. From a program (attached) I made to examine this more easily. X has sorted its mode list using the same method as ours (plus frequency), and our user modes get inserted without any other movement. On the patch I've made I've also changed cmpmodes to sort on vertical resolution and then horizontal. Ie vertical is now most significant bit.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 28 Jun 2003 21:52:26 +0000
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2 ==============================================================================
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3 Using the Simple DirectMedia Layer with EPOC/SymbianOS 6.0
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4 ==============================================================================
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6 ==============================================================================
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7 I. Building the Simple DirectMedia Layer libraries:
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9 You can get Symbian SDK from:
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10 http://www.symbian.com.
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12 First create "Epoc" directory under SDL main directory and unpack
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13 EpocBuildFiles.zip in it.
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15 To build the librarys goto "epoc" directory and type:
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16 bldmake bldfiles
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17 abld makefile vc6 (for creating Microsoft Visual C++ makefiles)
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18 abld build wins udeb (building for wins emulator)
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19 abld build armi urel (building for real device)
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21 ==============================================================================
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22 II. Building the Simple DirectMedia Layer programs:
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24 Building SDL test programs is easy once you have built the libraries:
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25 abld test build wins udeb
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26 abld test build armi urel
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28 Supported real screen resolutions
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29 320 x 200 x 8 bit
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30 320 x 200 x 12 bit
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31 640 x 200 x 8 bit
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32 640 x 200 x 12 bit
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33 Supported "emulated" screen resolutions
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34 640 x 400 x 8 bit
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35 640 x 400 x 12 bit
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36 640 x 480 x 8 bit
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37 640 x 480 x 12 bit
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38 "Emulated" resolutions are implemented by by shrinking the screen vertically
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39 i.e. only every second scanline is drawn. This is mainly ment to be used for
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40 testing quick ports of programs. Using faked resolutions is a waste of memory
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41 and cpu power!
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43 ==============================================================================
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44 III. Running test programs
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46 Copy executable to the device and run it from the File manager. The Esc
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47 key quits demo programs. In Crystal, Exe programs do not appear in task list
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48 nor in Extras :-(. Test programs are tested in Nokia 9210 Communicator.
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50 Special keys used in SDL:
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51 The Caps lock key enables or disables the virtual cursor.
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52 Function keys are mapped as follows:
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53 F1=chr+q, F2=chr+w,..., F8=chr+i,
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54 F9=chr+a,..., F12=chr+d.
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56 ==============================================================================
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57 IV. Enjoy! :)
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59 If you have a project you'd like me to know about, or want to ask questions,
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60 go ahead and join the SDL developer's mailing list by sending e-mail to:
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62 sdl-request@libsdl.org
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64 and put "subscribe" into the subject of the message. Or alternatively you
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65 can use the web interface:
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67 http://www.libsdl.org/mailman/listinfo/sdl
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69 You can find more info about Epoc version of SDL from Hannu Viitala's
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70 homepage
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71 http://www.mbnet.fi/~haviital
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73 ==============================================================================
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