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IPhone
======
Can use either OpenGL ES 1 or 2 for graphics, by default OpenGL ES 1 is
used.
The accelerometer axes are reported as joystick axes.
Dependencies
------------
For most things no additional dependencies besides the IPhone SDK
are needed.
The download section on liballeg.org has some pre-compiled IPhone
versions of Freetype (.ttf support), Tremor (.ogg support) and
Physfs (.zip) support.
Building
--------
In theory, you build like this:
mkdir build
cd build
cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-iphone.cmake -G Xcode ..
xcodebuild # but does not work without manual changes, see below
However, many things cannot be set up by cmake, so you have to do them
by hand. (An Xcode project named ALLEGRO should be in your build folder
which you can open by double clicking.) Here's a list of things to
adjust:
- Set per-project XCode options (like ipad/iphone target). Some things
are right now set per-target from cmake so to change those you need to
edit the CMakeLists.txt.
Here are some settings you want to change in the Build Settings for
your project:
* Base SDK
* Architectures
* Code Signing Identity
* Targeted Device Family
- Find the correct libraries (cmake always thinks it is building for
OSX instead of IPhone). They are all hacked in with linker flags right
now. The deps folder (see README_cmake.txt) can however make things a
lot easier. For example if you have freetype for iphone you could do
this:
mkdir deps
cp -r my_iphone_freetype/{libs,include} deps
And cmake should pick it up if they use the standard names.
- Attach resources to a bundle. For the demos and examples you need
to add the data folder by hand to get them transferred to the
device.
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