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| author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:45 -0800 |
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| committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:45 -0800 |
| commit | d83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch) | |
| tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /docs/html/guide/topics/graphics/opengl.jd | |
| parent | 076357b8567458d4b6dfdcf839ef751634cd2bfb (diff) | |
| download | frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.zip frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.tar.gz frameworks_base-d83a98f4ce9cfa908f5c54bbd70f03eec07e7553.tar.bz2 | |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'docs/html/guide/topics/graphics/opengl.jd')
| -rw-r--r-- | docs/html/guide/topics/graphics/opengl.jd | 56 |
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diff --git a/docs/html/guide/topics/graphics/opengl.jd b/docs/html/guide/topics/graphics/opengl.jd deleted file mode 100644 index eb2932d..0000000 --- a/docs/html/guide/topics/graphics/opengl.jd +++ /dev/null @@ -1,56 +0,0 @@ -page.title=3D with OpenGL -parent.title=2D and 3D Graphics -parent.link=index.html -@jd:body - - -<p>Android includes support for high performance 3D graphics -via the OpenGL API — specifically, the OpenGL ES API.</p> - -<p>OpenGL ES is a flavor of the OpenGL specification intended for embedded -devices. Versions of <a href="http://www.khronos.org/opengles/">OpenGL ES</a> are loosely peered to versions of the primary -OpenGL standard. Android currently supports OpenGL ES 1.0, which corresponds -to OpenGL 1.3. So, if the application you have in mind is possible with OpenGL -1.3 on a desktop system, it should be possible on Android.</p> - -<p>The specific API provided by Android is similar to the J2ME JSR239 OpenGL -ES API. However, it may not be identical, so watch out for deviations.</p> - -<h2>Using the API</h2> - -<p>Here's how to use the API at an extremely high level:</p> - -<ol> -<li>Write a custom View subclass.</li> -<li>Obtain a handle to an OpenGLContext, which provides access to the OpenGL functionality.</li> -<li>In your View's onDraw() method, get a handle to a GL object, and use its methods to perform GL operations.</li> -</ol> - -<p>For an example of this usage model (based on the classic GL ColorCube), -see -<a href="{@docRoot}guide/samples/ApiDemos/src/com/example/android/apis/graphics/GLSurfaceView.html">com.android.samples.graphics.GLSurfaceView.java</a> -in the ApiDemos sample code project. A slightly more sophisticated version showing how to use -it with threads can be found in -<a href="{@docRoot}guide/samples/ApiDemos/src/com/example/android/apis/graphics/GLSurfaceViewActivity.html">com.android.samples.graphics.GLSurfaceViewActivity.java</a>. -</p> - -<p>Writing a summary of how to actually write 3D applications using OpenGL is -beyond the scope of this text and is left as an exercise for the reader.</p> - -<h2>Links to Additional Information</h2> - -<p>Information about OpenGL ES can be -found at <a title="http://www.khronos.org/opengles/" -href="http://www.khronos.org/opengles/">http://www.khronos.org/opengles/</a>.</p> - -<p>Information specifically -about OpenGL ES 1.0 (including a detailed specification) can be found -at <a title="http://www.khronos.org/opengles/1_X/" -href="http://www.khronos.org/opengles/1_X/">http://www.khronos.org/opengles/1_X/</a>.</p> - -<p>The documentation for the Android {@link javax.microedition.khronos.opengles -OpenGL ES implementations} are also available.</p> - -<p>Finally, note that though Android does include some basic support for -OpenGL ES 1.1, the support is <strong>not complete</strong>, and should not be relied -upon at this time.</p> |