+1 This is definitely important feature and differentiation for Crosswalk for Android.
> -----Original Message----- > From: Crosswalk-dev [mailto:crosswalk-dev-bounces at > lists.crosswalk-project.org] > On Behalf Of Zhu, Junmin > Sent: Thursday, September 04, 2014 9:04 AM > To: crosswalk-dev at lists.crosswalk-project.org > Subject: [Crosswalk-dev] [Intent to implement] Khronos WebCL API for Android. > > Hi, > > WebCL[1] defines a JavaScript binding to the Khronos OpenCL[2] standard for > heterogeneous parallel computing. > WebCL enables web applications to harness GPU and multi-core CPU parallel > processing from within a Web browser/Runtime, enabling significant > acceleration > of applications. WebCL[3] is standardized on March 2014. > > We have several demos to demonstrate the power of WebCL from various > scenarios, such as: Image Processing(AlloyImage, Ripple), 3D > transformation(Deformation) etc. It shows 2x~20x performance boost. > > Currently, WebCL's dependency (OpenCL) is well supported on Android. From > official wiki [4], It is supported by most of hardware vendors, such as: > Intel, > Qualcomm, Mtk, ARM-Mali, Imagination Tech etc. > What's more, there are many devices deployed with OpenCL library by default > when shipping. > Document [5] lists most of popular devices in the market with OpenCL > supported. > > So I propose to support WebCL APIs for Crosswalk on Android. Following is some > design considering for WebCL. > 1) Implement the APIs through WebCore binding. > 2) Enable WebCL with flag, and Tizen will the potential target in future. > 3) Dynamic load the OpenCL library, and add whitelist for various devices, > due to > OpenCL may missed in older devices. > 4) Memory management/transfer between WebCL and JavaScript Object. > 5) Security enhancement. > 6) Include conformance tests. > If you want more details, please refer to the design doc [5]. > > Because this feature is somewhat big, I propose to integrate with several > steps as > following: > 1) Implement WebCL APIs, include dynamic loading OpenCL library, internal > class > set, external API binding etc. > 2) Add security check mechanism, and include conformance test suites. > 3) Add whitelist for OpenCL, and enable WebCL support by default for devices > in > the whitelist on Android. > > Reference: > [1] WebCL Wiki: https://www.khronos.org/webcl/ [2] OpenCL wiki: > https://www.khronos.org/opencl/ [3] WebCL Spec: > http://www.khronos.org/registry/webcl/specs/latest/1.0/ > [4] http://www.khronos.org/conformance/adopters/conformant-products > [5] Design Doc: > https://docs.google.com/a/intel.com/document/d/1fl5cGCFW1PDqtq0zDoiVnQ0 > 5dwyNYxtjmb4GdapiX7c/edit > > Best wishes > Junmin > _______________________________________________ > Crosswalk-dev mailing list > Crosswalk-dev at lists.crosswalk-project.org > https://lists.crosswalk-project.org/mailman/listinfo/crosswalk-dev
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