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| author | Tim Murray <timmurray@google.com> | 2013-03-14 12:11:18 -0700 |
|---|---|---|
| committer | Tim Murray <timmurray@google.com> | 2013-03-25 18:22:20 -0700 |
| commit | d72f932b8cbf461ebb79c249ce92b9b811122190 (patch) | |
| tree | 2e89f77cf54e7b88b94773b04aa558f12aae0489 /graphics/java/android/renderscript/package.html | |
| parent | aad37a1eeb4dcd35500a382401b889d34f6430d2 (diff) | |
| download | frameworks_base-d72f932b8cbf461ebb79c249ce92b9b811122190.zip frameworks_base-d72f932b8cbf461ebb79c249ce92b9b811122190.tar.gz frameworks_base-d72f932b8cbf461ebb79c249ce92b9b811122190.tar.bz2 | |
Remove all public mention of RS graphics from docs.
Change-Id: I50b29c89ae80ba3ae7b12dc60fee8585e17ed560
Diffstat (limited to 'graphics/java/android/renderscript/package.html')
| -rw-r--r-- | graphics/java/android/renderscript/package.html | 80 |
1 files changed, 2 insertions, 78 deletions
diff --git a/graphics/java/android/renderscript/package.html b/graphics/java/android/renderscript/package.html index 5eab23c..eb178c1 100644 --- a/graphics/java/android/renderscript/package.html +++ b/graphics/java/android/renderscript/package.html @@ -1,86 +1,10 @@ <HTML> <BODY> -<p>The Renderscript rendering and computational APIs offer a low-level, high performance means of -carrying out mathematical calculations and 3D graphics rendering.</p> +<p>RenderScript provides support for high-performance computation across heterogeneous processors.</p> <p>For more information, see the -<a href="{@docRoot}guide/topics/renderscript/index.html">Renderscript</a> developer guide.</p> +<a href="{@docRoot}guide/topics/renderscript/index.html">RenderScript</a> developer guide.</p> {@more} -<p>An example of Renderscript in applications include the 3D carousel view that is present in -Android 3.0 applications such as the Books and YouTube applications. This API is intended for -developers who are comfortable working with native code and want to maximize their performance -critical applications.</p> - -<p>Renderscript adopts a control and slave architecture where the low-level native code is controlled by the -higher level Android system that runs in the virtual machine (VM). The VM code handles resource -allocation and lifecycle management of the Renderscript enabled application and calls the Renderscript -code through high level entry points. The Android build tools generate these entry points through reflection on -the native Renderscript code, which you write in C (C99 standard). The Renderscript code -does the intensive computation and returns the result back to the Android VM.</p> - -<p>You can find the Renderscript native -APIs in the <code><sdk_root>/platforms/android-11/renderscript</code> directory. -The Android system APIs are broken into a few main groups:</p> - -<h4>Core</h4> -<p>These classes are used internally by the system for memory allocation. They are used by the classes that -are generated by the build tools:</p> -<ul> - <li>Allocation</li> - <li>Element</li> - <li>Type</li> - <li>Script</li> -</ul> - - -<h4>Data Types</h4> -<p>These data types are used by the classes that are generated -by the build tools. They are the reflected counterparts of the native data types that -are defined by the native Renderscript APIs and used by your Renderscript code. The -classes include:</p> -<ul> - <li>Byte2, Byte3, and Byte4</li> - <li>Float2, Float3, Float4</li> - <li>Int2, Int3, Int4</li> - <li>Long2, Long3, Long4</li> - <li>Matrix2f, Matrix3f, Matrix4f</li> - <li>Short2, Short3, Short4</li> -</ul> - -<p>For example, if you declared the following struct in your .rs Renderscript file:</p> - -<pre>struct Hello { float3 position; rs_matrix4x4 transform; }</pre> - -<p>The build tools generate a class through reflection that looks like the following:</p> -<pre> -class Hello { - static public class Item { - Float4 position; - Matrix4f transform; - } -Element createElement(RenderScript rs) { - Element.Builder eb = new Element.Builder(rs); - eb.add(Element.F32_3(rs), "position"); - eb.add(Element.MATRIX_4X4(rs), "transform"); - return eb.create(); - } -} -</pre> - -<h4>Graphics</h4> -<p>These classes are specific to graphics Renderscripts and support a typical rendering -pipeline.</p> -<ul> -<li>Mesh</li> -<li>ProgramFragment</li> -<li>ProgramRaster</li> -<li>ProgramStore</li> -<li>ProgramVertex</li> -<li>RSSurfaceView</li> -<li>Sampler</li> -</ul> - -</p> </BODY> </HTML> |