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[GLNativeES30] Cleanly fails on unsupported HW
User is notified when the device does not have the hardware support for OpenGL ES 3.0 instead of just crashing.
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benohalloran
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Jul 1, 2014
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,7 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="GLNativeES30.GLNativeES30"> | ||
| <uses-sdk /> | ||
| <uses-sdk android:minSdkVersion="18" /> | ||
| <application android:label="GLNativeES30"> | ||
| <uses-feature android:glEsVersion="0x00030000" android:required="true" /> | ||
| </application> | ||
| </manifest> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
| android:orientation="vertical" | ||
| android:layout_width="fill_parent" | ||
| android:layout_height="fill_parent" | ||
| android:minWidth="25px" | ||
| android:minHeight="25px" | ||
| android:padding="5dp"> | ||
| <TextView | ||
| android:text="Checking hardware support for OpenGL ES 3.0" | ||
| android:textAppearance="?android:attr/textAppearanceMedium" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:id="@+id/textView1" /> | ||
| </LinearLayout> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,5 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <resources> | ||
| <string name="app_name">GLNativeES30</string> | ||
| <string name="unsupported">This application requires OpenGL 3.0 support. OpenGL 3.0 requires Android 4.3 or higher and hardware support. This device does not have hardware support.</string> | ||
| </resources> |
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| Original file line number | Diff line number | Diff line change |
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| | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
|
|
||
| using Android.App; | ||
| using Android.Content; | ||
| using Android.OS; | ||
| using Android.Runtime; | ||
| using Android.Util; | ||
| using Android.Views; | ||
| using Android.Widget; | ||
| using Android.Content.PM; | ||
|
|
||
| namespace GLNativeES30 | ||
| { | ||
| [Activity (Label = "Compatibility Check", MainLauncher = true)] | ||
| public class TestActivity : Activity | ||
| { | ||
| private static string tag = "GLVersion"; | ||
|
|
||
| protected override void OnCreate (Bundle bundle) | ||
| { | ||
| base.OnCreate (bundle); | ||
| SetContentView (Resource.Layout.Test); | ||
| if (SupportedOpenGLVersion () >= 3) { | ||
| Log.Info (tag, "Supported hardware. Launching the demo."); | ||
| var launch = new Intent (this, typeof(GLNativeES30Activity)); | ||
| StartActivity (launch); | ||
| Finish (); | ||
| } else { | ||
| var textout = FindViewById<TextView> (Resource.Id.textView1); | ||
| textout.Text = GetString (Resource.String.unsupported); | ||
| Log.Info (tag, "Unsupported hardware. Displaying notification screen"); | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Gets the supported OpenGL ES version of device. | ||
| /// </summary> | ||
| /// <returns>Hieghest supported version of OpenGL ES</returns> | ||
| private long SupportedOpenGLVersion () | ||
| { | ||
| //from https://android.googlesource.com/platform/cts/+/master/tests/tests/graphics/src/android/opengl/cts/OpenGlEsVersionTest.java | ||
| var featureInfos = PackageManager.GetSystemAvailableFeatures (); | ||
| if (featureInfos != null && featureInfos.Length > 0) { | ||
| foreach (FeatureInfo info in featureInfos) { | ||
| // Null feature name means this feature is the open gl es version feature. | ||
| if (info.Name == null) { | ||
| if (info.ReqGlEsVersion != FeatureInfo.GlEsVersionUndefined) | ||
| return GetMajorVersion (info.ReqGlEsVersion); | ||
| else | ||
| return 0L; | ||
| } | ||
| } | ||
| } | ||
| return 0L; | ||
| } | ||
|
|
||
| private static long GetMajorVersion (long raw) | ||
| { | ||
| //from https://android.googlesource.com/platform/cts/+/master/tests/tests/graphics/src/android/opengl/cts/OpenGlEsVersionTest.java | ||
| long cleaned = ((raw & 0xffff0000) >> 16); | ||
| Log.Info (tag, "OpenGL ES major version: " + cleaned); | ||
| return cleaned; | ||
| } | ||
| } | ||
| } | ||
|
|