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2ae2a551a6
GLES drivers adapted, but only did make compile-tests. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
96 lines
4.3 KiB
Plaintext
96 lines
4.3 KiB
Plaintext
------------
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REQUIREMENTS
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------------
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To use Android you need to have installed:
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- Android SDK (from http://developer.android.com)
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- Android NDK (from http://developer.android.com)
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- ant (a build tool commonly used for Java)
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- A Java jdk (for example openjdk-6-jdk)
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- GNU Make 3.81 or later
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- A recent version of awk
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- On Windows you need to have Cygwin (at least version 1.7) installed
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----------------------------
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BUILDING Irrlicht & your App
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----------------------------
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1. Assign your Android SDK path to an ANDROID_HOME environment variable.
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2. Add $ANDROID_HOME/tools and $ANDROID_HOME/platform-tools and the Android NDK main folder to your PATH environment variable.
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3. Go to: source/Irrlicht/Android and call "ndk-build" or "ndk-build NDEBUG=1"
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4. Go to: examples/01.HelloWorld_Android and call "ndk-build" or "ndk-build NDEBUG=1"
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5. Call "ant debug" to create package
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6. Connect device to PC (with USB debugging mode ON) or turn on emulator.
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7. Call "adb -d install bin/HelloWorldMobile-debug.apk" (if you use emulator please add "-e" parameter instead of "-d") to install package on your device/emulator.
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Troubleshooting:
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Error: Unable to resolve project target 'android-10'
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Solution: Run "android sdk" in sdk/tools and install API 10.
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Alternatively you can probably (not yet tested) set another APP_PLATFORM
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in the Application.mk's for the project and for Irrlicht. In this case you
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should likely also change the android:minSdkVersion in the AndroidManifest.xml
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-----
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FILES
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-----
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AndroidManifest.xml:
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Every Android application needs one of those to describe the needs of the application.
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Must have exactly this name.
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See http://developer.android.com/guide/topics/manifest/manifest-intro.html
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build.xml:
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Ant build file to create the final package.
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You might want to create a new one as described in the Android documentation:
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http://developer.android.com/tools/projects/projects-cmdline.html
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That will then also update project.properties.
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project.properties
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Contains the build target (and maybe other project properties). Must exist.
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jni:
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A folder by this name must exist below the folder where you have build.xml.
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Usually it contains the native (c/c++) source files, but in our case we put
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the source-files one level higher (with LOCAL_PATH in Android.mk).
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jni/Android.mk:
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The Makefile for the project.
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Source-files in the project are added to LOCAL_SRC_FILES
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In the Irrlicht example it also copies the assets, but you can
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also already create your project assets in the right place.
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jni/Application.mk:
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Optional file which for example restricts which modules are installed and
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where you can set specific target architectures.
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More info about this can be found in the ndk docs.
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res:
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A folder with resources which districuted with your application and can be accessed via ID's.
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Unfortunately no direct NDK access to resources at the time of writing this. So you either have
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to access them with java-code and copy to c++ somehow or you have to use hacks to read the format
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directly (which is done by some apps, but not future-safe and google recommends not doing that).
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Please check the official "App Resources" android developer documention, as this is rather complex.
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We use it only for the application icons in this example.
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assets:
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Files in here are distributed with your app. It's acting like a read-only file system.
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assets/media/Shaders:
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Shader code needed by the OGLES2 driver to simulate a fixed function pipeline.
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In the example this code is automatically copied within the Android.mk makefile.
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The path where the shaders are searched is set in the IRR_OGLES2_SHADER_PATH define in IrrCompileConfig.h
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The names are hardcoded so they have to be identical to those found in media/Shaders.
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You can rewrite the shaders, but ensure to add some working shaders files by those names.
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The OGLES1 driver doesn't need those files.
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obj:
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All object and library files mentioned in the Android.mk are put in here before linking.
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libs:
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Contains the binaries of your application after compilation. The application itself is a lib(probably because native code can't run directly but only as lib).
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src:
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The src folder is needed when you have Java sources and should only contain .java and .aidl files.
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Although the examples doesn't use Java the makefile creates this folder as the ant build.xml in the android sdk needs it.
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