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annotate README.Porting @ 2824:4dba7aa7ea77

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Added slow but complete blit fallback Don't try to RLE encode surfaces that have alpha channel and alpha modulation Don't turn on blending when converting an RGB surface to RGBA format Do turn on blending when converting colorkey to alpha channel
author Sam Lantinga <slouken@libsdl.org>
date Tue, 02 Dec 2008 17:14:04 +0000
parents 103760c3a5dc
children
rev   line source
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b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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1
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2 * Porting To A New Platform
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3
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4 The first thing you have to do when porting to a new platform, is look at
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5 include/SDL_platform.h and create an entry there for your operating system.
b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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6 The standard format is __PLATFORM__, where PLATFORM is the name of the OS.
b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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7 Ideally SDL_platform.h will be able to auto-detect the system it's building
b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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8 on based on C preprocessor symbols.
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9
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10 There are two basic ways of building SDL at the moment:
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12 1. The "UNIX" way: ./configure; make; make install
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14 If you have a GNUish system, then you might try this. Edit configure.in,
b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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15 take a look at the large section labelled:
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16 "Set up the configuration based on the target platform!"
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17 Add a section for your platform, and then re-run autogen.sh and build!
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18
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19 2. Using an IDE:
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21 If you're using an IDE or other non-configure build system, you'll probably
b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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22 want to create a custom SDL_config.h for your platform. Edit SDL_config.h,
b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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23 add a section for your platform, and create a custom SDL_config_{platform}.h,
b2b476a4a73c Added documentation on how to build a completely useless SDL library. :)
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24 based on SDL_config.h.minimal and SDL_config.h.in
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26 Add the top level include directory to the header search path, and then add
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27 the following sources to the project:
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28 src/*.c
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29 src/audio/*.c
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30 src/cdrom/*.c
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31 src/cpuinfo/*.c
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32 src/events/*.c
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33 src/file/*.c
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34 src/joystick/*.c
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35 src/stdlib/*.c
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36 src/thread/*.c
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37 src/timer/*.c
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38 src/video/*.c
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39 src/audio/disk/*.c
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40 src/audio/dummy/*.c
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41 src/video/dummy/*.c
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42 src/joystick/dummy/*.c
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43 src/cdrom/dummy/*.c
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44 src/thread/generic/*.c
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45 src/timer/dummy/*.c
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46 src/loadso/dummy/*.c
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49 Once you have a working library without any drivers, you can go back to each
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50 of the major subsystems and start implementing drivers for your platform.
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52 If you have any questions, don't hesitate to ask on the SDL mailing list:
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53 http://www.libsdl.org/mailing-list.php
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55 Enjoy!
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56 Sam Lantinga (slouken@libsdl.org)
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