diff options
| -rw-r--r-- | docs/html/guide/topics/graphics/opengl.jd | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/docs/html/guide/topics/graphics/opengl.jd b/docs/html/guide/topics/graphics/opengl.jd index 1f51c2d..9f88954 100644 --- a/docs/html/guide/topics/graphics/opengl.jd +++ b/docs/html/guide/topics/graphics/opengl.jd @@ -5,13 +5,15 @@ parent.link=index.html <p>Android includes support for high performance 3D graphics -via the OpenGL API — specifically, the OpenGL ES API.</p> +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>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. Beginning with Android 2.2, the platform supports OpenGL ES 2.0 (with +backward compatibility support for OpenGL ES 1.1). For information about the relative number of +Android-powered devices that support a given version of OpenGL ES, see the <a +href="http://developer.android.com/resources/dashboard/opengl.html">OpenGL ES Versions</a> +dashboard.</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> @@ -21,17 +23,18 @@ ES API. However, it may not be identical, so watch out for deviations.</p> <p>Here's how to use the API at an extremely high level:</p> <ol> -<li>Write a custom View subclass.</li> +<li>Write a custom {@link android.view.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> +<li>In your View's {@link android.view.View#onDraw 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), showing how to use -it with threads can be found in -<a href="{@docRoot}resources/samples/ApiDemos/src/com/example/android/apis/graphics/GLSurfaceViewActivity.html">com.android.samples.graphics.GLSurfaceViewActivity.java</a>. +<p>Several samples using OpenGL ES are available in the <a +href="{@docRoot}resources/samples/ApiDemos/src/com/example/android/apis/graphics/index.html">API +Demos</a> sample application. </p> -<p>Writing a summary of how to actually write 3D applications using OpenGL is +<p>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> @@ -45,9 +48,6 @@ 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>The documentation for the Android OpenGL ES implementations are available in {@link +android.opengl} and {@link javax.microedition.khronos.opengles}.</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> |