Mercurial > sdl-ios-xcode
annotate README.Porting @ 2884:9dde605c7540
Date: Fri, 19 Dec 2008 20:17:35 +0100
From: Couriersud
Subject: Re: Aw: Experience using SDL1.3 in sdlmame/Proposal for api additions
> For consistency you'd probably want:
> SDL_SetRenderDrawColor(Uint8 r, Uint8 g, Uint8 b, Uint8 a);
> SDL_SetRenderDrawBlendMode(SDL_BlendMode blendMode);
> SDL_RenderLine(int x1, int y1, int x2, int y2);
> SDL_RenderFill(SDL_Rect *rect);
>
> You probably also want to add API functions query the current state.
>
I have implemented the above api for the opengl, x11, directfb and
software renderers. I have also renamed *TEXTUREBLENDMODE* constants to
BLENDMODE*. The unix build compiles. The windows renderer still needs to
be updated, but I have no windows development machine at hand. Have a
look at the x11 renderer for a sample.
Vector games now run at 90% both on opengl and directfb in comparison to
sdlmame's own opengl renderer. The same applies to raster games.
The diff also includes
a) Changed XDrawRect to XFillRect in x11 renderer
b) A number of changes to fix blending and modulation issues in the
directfb renderer.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 20 Dec 2008 12:00:00 +0000 |
parents | 103760c3a5dc |
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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. |
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6 The standard format is __PLATFORM__, where PLATFORM is the name of the OS. |
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7 Ideally SDL_platform.h will be able to auto-detect the system it's building |
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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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11 |
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12 1. The "UNIX" way: ./configure; make; make install |
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13 |
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14 If you have a GNUish system, then you might try this. Edit configure.in, |
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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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20 |
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21 If you're using an IDE or other non-configure build system, you'll probably |
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22 want to create a custom SDL_config.h for your platform. Edit SDL_config.h, |
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23 add a section for your platform, and create a custom SDL_config_{platform}.h, |
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24 based on SDL_config.h.minimal and SDL_config.h.in |
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25 |
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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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47 |
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48 |
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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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51 |
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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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54 |
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55 Enjoy! |
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56 Sam Lantinga (slouken@libsdl.org) |
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57 |