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| -NaCl (Experimental)
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| -===================
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| -
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| -Important Notes
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| ----------------
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| -
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| - * This process has only been verified to work on Linux
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| - * Skia for NaCl is new and currently under development. Therefore, some features are not (yet) supported:
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| - * GPU backend
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| - * Fonts - Currently, NaCl has no way to access system fonts. This means
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| - that text drawn in Skia will not display. A Pepper font API is in the
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| - works and should be available in the near future, but for now your best
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| - bet is to either package font data with your nexe or to send font data
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| - from javascript to your plugin at runtime. Note that this will be the
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| - case with any graphics library in NaCl until the font API is finished.
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| -
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| -Prerequisites
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| --------------
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| -
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| -Execute the following commands in whatever directory you want to hold the NaCl SDK directory:
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| -
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| - wget http://storage.googleapis.com/nativeclient-mirror/nacl/nacl_sdk/nacl_sdk.zip
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| - unzip nacl_sdk.zip
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| - rm nacl_sdk.zip
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| - nacl_sdk/naclsdk update pepper_32
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| - export NACL_SDK_ROOT=/path/to/nacl_sdk
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| -
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| -Check out the Skia source
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| --------------------------
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| -
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| -We use the "gclient" script (part of the depot_tools toolkit) to manage the
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| -Skia source code. Follow the instructions at
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| -http://www.chromium.org/developers/how-tos/depottools to get the gclient
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| -script from depot_tools.
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| -
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| -Instead of checking out trunk directly you will use gclient to checkout the
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| -nacl directory, which will automatically pull the trunk directory for you.
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| -Execute the following commands in whatever directory you want to be the root
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| -for your Skia on NaCl development:
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| -
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| - gclient config https://skia.googlesource.com/skia.git
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| - gclient sync
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| -
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| -Building the Skia libraries for NaCl
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| -------------------------------------
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| -
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| -The nacl_make script is used to compile Skia targets for NaCl. It sets the
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| -appropriate environment variables, calls GYP to generate makefiles, and runs
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| -Make to build both 32 and 64-bit targets as required by NaCl. To build the
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| -Skia libraries, run the following from the trunk directory:
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| -
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| - platform_tools/nacl/nacl_make skia_lib
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| -
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| -This will result in a set of static libraries being built into the out/nacl32
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| -and out/nacl64 directories. You can use these libraries in external NaCl
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| -apps.
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| -
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| -Building and running Skia's Apps in NaCl (Experimental)
|
| --------------------------------------------------------
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| -
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| -It is possible to run some of Skia's console apps in the browser.
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| -
|
| -### Skia Unit Tests
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| -
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| -Build Skia tests from the trunk directory:
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| -
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| - platform_tools/nacl/bin/nacl_make tests
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| -
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| -This will build the tests executable. We include a tiny HTTP server (borrowed
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| -from the NaCl SDK) in order to run the apps:
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| -
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| - cd platform_tools/nacl
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| - ./httpd.py
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| -
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| -The HTTP server runs on port 5103 by default. In Chrome, navigate to
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| -`http://localhost:5103/` and click on the link for "unit tests." After the
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| -module downloads, you should see the tests begin to run.
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| -
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| -### Sample App
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| -
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| -The sample app relies on the GPU backend. Therefore, it will compile but will not yet run.
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| -
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| - platform_tools/nacl/bin/nacl_make SampleApp
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| -
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| -You can access the sample app at http://localhost:5103/SampleApp.
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| -
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| -### Debugger
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| -
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| -The debugger is currently in a partially-working state:
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| -
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| - platform_tools/nacl/bin/nacl_make debugger
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| -
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| -You can access it at http://localhost:5103/debugger.
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|
|