Android EglBase: Include EGL error code in exceptions

webrtc/api/android/java/src/org/webrtc/EglBase14.java

Index: webrtc/api/android/java/src/org/webrtc/EglBase14.java
diff --git a/webrtc/api/android/java/src/org/webrtc/EglBase14.java b/webrtc/api/android/java/src/org/webrtc/EglBase14.java
index 3398c11eb432de634c5d29e42bcb57d082b67973..b1e1772256ced712f92d3182bbbe559162353648 100644
--- a/webrtc/api/android/java/src/org/webrtc/EglBase14.java
+++ b/webrtc/api/android/java/src/org/webrtc/EglBase14.java
@@ -82,7 +82,8 @@ public final class EglBase14 extends EglBase {
     int[] surfaceAttribs = {EGL14.EGL_NONE};
     eglSurface = EGL14.eglCreateWindowSurface(eglDisplay, eglConfig, surface, surfaceAttribs, 0);
     if (eglSurface == EGL14.EGL_NO_SURFACE) {
-      throw new RuntimeException("Failed to create window surface");
+      throw new RuntimeException(
+          "Failed to create window surface: 0x" + Integer.toHexString(EGL14.eglGetError()));
     }
   }
 
@@ -101,7 +102,8 @@ public final class EglBase14 extends EglBase {
     eglSurface = EGL14.eglCreatePbufferSurface(eglDisplay, eglConfig, surfaceAttribs, 0);
     if (eglSurface == EGL14.EGL_NO_SURFACE) {
       throw new RuntimeException(
-          "Failed to create pixel buffer surface with size: " + width + "x" + height);
+          "Failed to create pixel buffer surface with size " + width + "x" + height
+          + ": 0x" + Integer.toHexString(EGL14.eglGetError()));
     }
   }
 
@@ -165,7 +167,8 @@ public final class EglBase14 extends EglBase {
     }
     synchronized (EglBase.lock) {
       if (!EGL14.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext)) {
-        throw new RuntimeException("eglMakeCurrent failed");
+        throw new RuntimeException(
+            "eglMakeCurrent failed: 0x" + Integer.toHexString(EGL14.eglGetError()));
       }
     }
   }
@@ -176,7 +179,8 @@ public final class EglBase14 extends EglBase {
     synchronized (EglBase.lock) {
       if (!EGL14.eglMakeCurrent(
           eglDisplay, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT)) {
-        throw new RuntimeException("eglDetachCurrent failed");
+        throw new RuntimeException(
+            "eglDetachCurrent failed: 0x" + Integer.toHexString(EGL14.eglGetError()));
       }
     }
   }
@@ -208,11 +212,13 @@ public final class EglBase14 extends EglBase {
   private static EGLDisplay getEglDisplay() {
     EGLDisplay eglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
     if (eglDisplay == EGL14.EGL_NO_DISPLAY) {
-      throw new RuntimeException("Unable to get EGL14 display");
+      throw new RuntimeException(
+          "Unable to get EGL14 display: 0x" + Integer.toHexString(EGL14.eglGetError()));
     }
     int[] version = new int[2];
     if (!EGL14.eglInitialize(eglDisplay, version, 0, version, 1)) {
-      throw new RuntimeException("Unable to initialize EGL14");
+      throw new RuntimeException(
+          "Unable to initialize EGL14: 0x" + Integer.toHexString(EGL14.eglGetError()));
     }
     return eglDisplay;
   }
@@ -223,7 +229,8 @@ public final class EglBase14 extends EglBase {
     int[] numConfigs = new int[1];
     if (!EGL14.eglChooseConfig(
         eglDisplay, configAttributes, 0, configs, 0, configs.length, numConfigs, 0)) {
-      throw new RuntimeException("eglChooseConfig failed");
+      throw new RuntimeException(
+          "eglChooseConfig failed: 0x" + Integer.toHexString(EGL14.eglGetError()));
     }
     if (numConfigs[0] <= 0) {
       throw new RuntimeException("Unable to find any matching EGL config");
@@ -249,7 +256,8 @@ public final class EglBase14 extends EglBase {
       eglContext = EGL14.eglCreateContext(eglDisplay, eglConfig, rootContext, contextAttributes, 0);
     }
     if (eglContext == EGL14.EGL_NO_CONTEXT) {
-      throw new RuntimeException("Failed to create EGL context");
+      throw new RuntimeException(
+          "Failed to create EGL context: 0x" + Integer.toHexString(EGL14.eglGetError()));
     }
     return eglContext;
   }