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98 lines
3.5 KiB
98 lines
3.5 KiB
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Copyright 2013 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<sample>
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<name>RenderScriptIntrinsic</name>
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<group>RenderScript</group>
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<package>com.example.android.renderscriptintrinsic</package>
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<minSdk>14</minSdk>
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<defaultConfig>
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renderscriptTargetApi 24
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renderscriptSupportModeEnabled true
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</defaultConfig>
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<strings>
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<intro>
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<![CDATA[
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RenderScriptIntrinsic sample that demonstrates how to use RenderScript intrinsics.
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Creates several RenderScript intrinsics and shows a filtering result with various parameters.
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Also shows how to extends RadioButton with StateListDrawable.
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]]>
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</intro>
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</strings>
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<template src="base"/>
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<metadata>
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<status>PUBLISHED</status>
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<categories>RenderScript</categories>
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<technologies>Android</technologies>
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<languages>Java</languages>
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<solutions>Mobile</solutions>
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<level>EXPERT</level>
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<icon>screenshots/icon-web.png</icon>
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<screenshots>
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<img>screenshots/main.png</img>
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</screenshots>
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<api_refs>
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<android>android.renderscript.RenderScript</android>
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<android>android.renderscript.ScriptIntrinsicBlur</android>
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<android>android.renderscript.ScriptIntrinsicConvolve5x5</android>
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<android>android.renderscript.ScriptIntrinsicColorMatrix</android>
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</api_refs>
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<description>
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<![CDATA[
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RenderScriptIntrinsic sample that demonstrates how to use RenderScript intrinsics.
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Creates several RenderScript intrinsics and shows a filtering result with various parameters.
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Also shows how to extends RedioButton with StateListDrawable.
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]]>
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</description>
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<intro>
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<![CDATA[
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[RenderScript][1] is a framework for running computationally intensive tasks at high performance on
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Android. RenderScript is primarily oriented for use with data-parallel computation, although serial
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computationally intensive workloads can benefit as well.
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RenderScript **intrinsics** are built-in functions that perform well-defined operations often seen
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in image processing. Intrinsics provide extremely high-performance implementations of standard
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functions with a minimal amount of code.
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This sample shows how to access and use the blur, convolve, and matrix intrinsics:
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```java
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mScriptBlur = ScriptIntrinsicBlur.create(mRS, Element.U8_4(mRS));
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mScriptConvolve = ScriptIntrinsicConvolve5x5.create(mRS,
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Element.U8_4(mRS));
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mScriptMatrix = ScriptIntrinsicColorMatrix.create(mRS,
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Element.U8_4(mRS));
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```
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RenderScript intrinsics will usually be the fastest possible way for a developer to perform these
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operations. The Android team works closely with our partners to ensure that the intrinsics perform
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as fast as possible on their architectures — often far beyond anything that can be achieved in a
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general-purpose language.
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[1]: http://developer.android.com/guide/topics/renderscript/compute.html
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]]>
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</intro>
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</metadata>
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</sample>
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