diff --git a/android/core/src/processing/opengl/PGL.java b/android/core/src/processing/opengl/PGL.java
index ce2d74609..b42dce582 100644
--- a/android/core/src/processing/opengl/PGL.java
+++ b/android/core/src/processing/opengl/PGL.java
@@ -2111,6 +2111,33 @@ public class PGL {
   }
 
 
+  protected int[] getGLVersion() {
+    String version = GLES20.glGetString(GLES20.GL_VERSION).trim();
+    int[] res = {0, 0, 0};
+    String[] parts = version.split(" ");
+    for (int i = 0; i < parts.length; i++) {
+      if (0 < parts[i].indexOf(".")) {
+        String nums[] = parts[i].split("\\.");
+        try {
+          res[0] = Integer.parseInt(nums[0]);
+        } catch (NumberFormatException e) { }
+        if (1 < nums.length) {
+          try {
+            res[1] = Integer.parseInt(nums[1]);
+          } catch (NumberFormatException e) { }
+        }
+        if (2 < nums.length) {
+          try {
+            res[2] = Integer.parseInt(nums[2]);
+          } catch (NumberFormatException e) { }
+        }
+        break;
+      }
+    }
+    return res;
+  }
+
+
   ///////////////////////////////////////////////////////////
 
   // Android specific stuff
diff --git a/android/core/src/processing/opengl/PGraphicsOpenGL.java b/android/core/src/processing/opengl/PGraphicsOpenGL.java
index cc82f6d10..1138e3474 100644
--- a/android/core/src/processing/opengl/PGraphicsOpenGL.java
+++ b/android/core/src/processing/opengl/PGraphicsOpenGL.java
@@ -6084,6 +6084,23 @@ public class PGraphicsOpenGL extends PGraphics {
     OPENGL_EXTENSIONS = pgl.getString(PGL.EXTENSIONS);
     GLSL_VERSION      = pgl.getString(PGL.SHADING_LANGUAGE_VERSION);
 
+    int major = pgl.getGLVersion()[0];
+    System.err.println("OpenGL version " + OPENGL_VERSION + " " + major);
+    if (major < 2) {
+      // There might be problems...
+      PGraphics.showWarning("The OpenGL version in this is less than 2.0 so " +
+                            "Processing might not draw things properly");
+      // ... but GLSL might still be available through extensions.
+      if (OPENGL_EXTENSIONS.indexOf("_fragment_shader")  == -1 ||
+          OPENGL_EXTENSIONS.indexOf("_vertex_shader")    == -1 ||
+          OPENGL_EXTENSIONS.indexOf("_shader_objects")   == -1 ||
+          OPENGL_EXTENSIONS.indexOf("_shading_language") == -1) {
+        // GLSL extensions are not present, we cannot do anything else here.
+        throw new RuntimeException("GLSL shaders are not supported by this " +
+                                   "video card");
+      }
+    }
+
     npotTexSupported =
       -1 < OPENGL_EXTENSIONS.indexOf("_texture_non_power_of_two");
     autoMipmapGenSupported =
diff --git a/core/src/processing/opengl/PGL.java b/core/src/processing/opengl/PGL.java
index 0c2bb3e66..dc99c724a 100644
--- a/core/src/processing/opengl/PGL.java
+++ b/core/src/processing/opengl/PGL.java
@@ -2545,6 +2545,33 @@ public class PGL {
   }
 
 
+  protected int[] getGLVersion() {
+    String version = gl.glGetString(GL.GL_VERSION).trim();
+    int[] res = {0, 0, 0};
+    String[] parts = version.split(" ");
+    for (int i = 0; i < parts.length; i++) {
+      if (0 < parts[i].indexOf(".")) {
+        String nums[] = parts[i].split("\\.");
+        try {
+          res[0] = Integer.parseInt(nums[0]);
+        } catch (NumberFormatException e) { }
+        if (1 < nums.length) {
+          try {
+            res[1] = Integer.parseInt(nums[1]);
+          } catch (NumberFormatException e) { }
+        }
+        if (2 < nums.length) {
+          try {
+            res[2] = Integer.parseInt(nums[2]);
+          } catch (NumberFormatException e) { }
+        }
+        break;
+      }
+    }
+    return res;
+  }
+
+
   ///////////////////////////////////////////////////////////
 
   // Java specific stuff
diff --git a/core/src/processing/opengl/PGraphicsOpenGL.java b/core/src/processing/opengl/PGraphicsOpenGL.java
index cc82f6d10..1138e3474 100644
--- a/core/src/processing/opengl/PGraphicsOpenGL.java
+++ b/core/src/processing/opengl/PGraphicsOpenGL.java
@@ -6084,6 +6084,23 @@ public class PGraphicsOpenGL extends PGraphics {
     OPENGL_EXTENSIONS = pgl.getString(PGL.EXTENSIONS);
     GLSL_VERSION      = pgl.getString(PGL.SHADING_LANGUAGE_VERSION);
 
+    int major = pgl.getGLVersion()[0];
+    System.err.println("OpenGL version " + OPENGL_VERSION + " " + major);
+    if (major < 2) {
+      // There might be problems...
+      PGraphics.showWarning("The OpenGL version in this is less than 2.0 so " +
+                            "Processing might not draw things properly");
+      // ... but GLSL might still be available through extensions.
+      if (OPENGL_EXTENSIONS.indexOf("_fragment_shader")  == -1 ||
+          OPENGL_EXTENSIONS.indexOf("_vertex_shader")    == -1 ||
+          OPENGL_EXTENSIONS.indexOf("_shader_objects")   == -1 ||
+          OPENGL_EXTENSIONS.indexOf("_shading_language") == -1) {
+        // GLSL extensions are not present, we cannot do anything else here.
+        throw new RuntimeException("GLSL shaders are not supported by this " +
+                                   "video card");
+      }
+    }
+
     npotTexSupported =
       -1 < OPENGL_EXTENSIONS.indexOf("_texture_non_power_of_two");
     autoMipmapGenSupported =