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If the app is in landscape mode and the user presses the power button, a pause is followed immediately by a surfaceChanged event because the lock screen is shown in portrait mode. This triggers a "false" resume. So, we just pause and resume following the onWindowFocusChanged events. Also, wait for SDL_APP_WILLENTERBACKGROUND and SDL_APP_DIDENTERBACKGROUND before blocking the event pump.
62 lines
1.9 KiB
Plaintext
62 lines
1.9 KiB
Plaintext
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* Porting To A New Platform
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The first thing you have to do when porting to a new platform, is look at
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include/SDL_platform.h and create an entry there for your operating system.
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The standard format is __PLATFORM__, where PLATFORM is the name of the OS.
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Ideally SDL_platform.h will be able to auto-detect the system it's building
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on based on C preprocessor symbols.
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There are two basic ways of building SDL at the moment:
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1. The "UNIX" way: ./configure; make; make install
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If you have a GNUish system, then you might try this. Edit configure.in,
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take a look at the large section labelled:
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"Set up the configuration based on the target platform!"
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Add a section for your platform, and then re-run autogen.sh and build!
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2. Using an IDE:
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If you're using an IDE or other non-configure build system, you'll probably
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want to create a custom SDL_config.h for your platform. Edit SDL_config.h,
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add a section for your platform, and create a custom SDL_config_{platform}.h,
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based on SDL_config.h.minimal and SDL_config.h.in
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Add the top level include directory to the header search path, and then add
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the following sources to the project:
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src/*.c
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src/atomic/*.c
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src/audio/*.c
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src/cpuinfo/*.c
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src/events/*.c
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src/file/*.c
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src/haptic/*.c
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src/joystick/*.c
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src/power/*.c
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src/render/*.c
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src/stdlib/*.c
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src/thread/*.c
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src/timer/*.c
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src/video/*.c
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src/audio/disk/*.c
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src/audio/dummy/*.c
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src/video/dummy/*.c
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src/haptic/dummy/*.c
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src/joystick/dummy/*.c
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src/main/dummy/*.c
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src/thread/generic/*.c
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src/timer/dummy/*.c
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src/loadso/dummy/*.c
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Once you have a working library without any drivers, you can go back to each
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of the major subsystems and start implementing drivers for your platform.
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If you have any questions, don't hesitate to ask on the SDL mailing list:
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http://www.libsdl.org/mailing-list.php
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Enjoy!
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Sam Lantinga (slouken@libsdl.org)
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