Add OpenGL backend to ImageWallpaper

Bug #5204874

Currently disabled.

Change-Id: I5e7b35dce2981b0691f107e39c6394b260466543

1 files changed, 48 insertions, 1 deletions

diff --git a/opengl/java/android/opengl/GLUtils.java b/opengl/java/android/opengl/GLUtils.java
index f30a4cd..125c56e 100644
--- a/opengl/java/android/opengl/GLUtils.java
+++ b/opengl/java/android/opengl/GLUtils.java
@@ -16,9 +16,11 @@
 
 package android.opengl;
 
-import javax.microedition.khronos.opengles.GL10;
 import android.graphics.Bitmap;
 
+import javax.microedition.khronos.egl.EGL10;
+import javax.microedition.khronos.egl.EGL11;
+
 /**
  *
  * Utility class to help bridging OpenGL ES and Android APIs.
@@ -222,6 +224,51 @@ public final class GLUtils {
         }
     }
 
+    /**
+     * Return a string for the EGL error code, or the hex representation
+     * if the error is unknown.
+     * 
+     * @param error The EGL error to convert into a String.
+     * 
+     * @return An error string corresponding to the EGL error code.
+     */
+    public static String getEGLErrorString(int error) {
+        switch (error) {
+            case EGL10.EGL_SUCCESS:
+                return "EGL_SUCCESS";
+            case EGL10.EGL_NOT_INITIALIZED:
+                return "EGL_NOT_INITIALIZED";
+            case EGL10.EGL_BAD_ACCESS:
+                return "EGL_BAD_ACCESS";
+            case EGL10.EGL_BAD_ALLOC:
+                return "EGL_BAD_ALLOC";
+            case EGL10.EGL_BAD_ATTRIBUTE:
+                return "EGL_BAD_ATTRIBUTE";
+            case EGL10.EGL_BAD_CONFIG:
+                return "EGL_BAD_CONFIG";
+            case EGL10.EGL_BAD_CONTEXT:
+                return "EGL_BAD_CONTEXT";
+            case EGL10.EGL_BAD_CURRENT_SURFACE:
+                return "EGL_BAD_CURRENT_SURFACE";
+            case EGL10.EGL_BAD_DISPLAY:
+                return "EGL_BAD_DISPLAY";
+            case EGL10.EGL_BAD_MATCH:
+                return "EGL_BAD_MATCH";
+            case EGL10.EGL_BAD_NATIVE_PIXMAP:
+                return "EGL_BAD_NATIVE_PIXMAP";
+            case EGL10.EGL_BAD_NATIVE_WINDOW:
+                return "EGL_BAD_NATIVE_WINDOW";
+            case EGL10.EGL_BAD_PARAMETER:
+                return "EGL_BAD_PARAMETER";
+            case EGL10.EGL_BAD_SURFACE:
+                return "EGL_BAD_SURFACE";
+            case EGL11.EGL_CONTEXT_LOST:
+                return "EGL_CONTEXT_LOST";
+            default:
+                return "0x" + Integer.toHexString(error);
+        }
+    }
+
     native private static void nativeClassInit();
 
     native private static int native_getInternalFormat(Bitmap bitmap);