Expose ActivateProgram() and DeactivateProgram() to widget

mobile/android/base/gfx/GeckoGLLayerClient.java

@@ -239,5 +239,15 @@ public class GeckoGLLayerClient extends GeckoLayerClient
         Layer.RenderContext screenContext = mLayerRenderer.createScreenContext();
         return mLayerRenderer.createFrame(false, pageContext, screenContext);
     }
+
+    /** For Gecko to use. */
+    public void activateProgram() {
+        mLayerRenderer.activateProgram();
+    }
+
+    /** For Gecko to use. */
+    public void deactivateProgram() {
+        mLayerRenderer.deactivateProgram();
+    }
 }
 

widget/android/AndroidJavaWrappers.cpp

@@ -121,6 +121,8 @@ jmethodID AndroidGeckoSoftwareLayerClient::jGetRenderOffsetMethod = 0;
 jclass AndroidGeckoGLLayerClient::jGeckoGLLayerClientClass = 0;
 jmethodID AndroidGeckoGLLayerClient::jGetViewTransformMethod = 0;
 jmethodID AndroidGeckoGLLayerClient::jCreateFrameMethod = 0;
+jmethodID AndroidGeckoGLLayerClient::jActivateProgramMethod = 0;
+jmethodID AndroidGeckoGLLayerClient::jDeactivateProgramMethod = 0;
 
 jclass AndroidLayerRendererFrame::jLayerRendererFrameClass = 0;
 jmethodID AndroidLayerRendererFrame::jBeginDrawingMethod = 0;
@@ -387,6 +389,8 @@ AndroidGeckoGLLayerClient::InitGeckoGLLayerClientClass(JNIEnv *jEnv)
                                         "()Lorg/mozilla/gecko/gfx/ViewTransform;");
     jCreateFrameMethod = getMethod("createFrame",
                                    "(FFF)Lorg/mozilla/gecko/gfx/LayerRenderer$Frame;");
+    jActivateProgramMethod = getMethod("activateProgram", "()V");
+    jDeactivateProgramMethod = getMethod("deactivateProgram", "()V");
 #endif
 }
 
@@ -942,6 +946,30 @@ AndroidGeckoGLLayerClient::CreateFrame(AndroidLayerRendererFrame& aFrame,
     aFrame.Init(frameJObj);
 }
 
+void
+AndroidGeckoGLLayerClient::ActivateProgram()
+{
+    JNIEnv *env = GetJNIForThread();
+    NS_ABORT_IF_FALSE(env, "No JNI environment at ActivateProgram()!");
+    if (!env) {
+        return;
+    }
+
+    env->CallVoidMethod(wrapped_obj, jActivateProgramMethod);
+}
+
+void
+AndroidGeckoGLLayerClient::DeactivateProgram()
+{
+    JNIEnv *env = GetJNIForThread();
+    NS_ABORT_IF_FALSE(env, "No JNI environment at DeactivateProgram()!");
+    if (!env) {
+        return;
+    }
+
+    env->CallVoidMethod(wrapped_obj, jDeactivateProgramMethod);
+}
+
 void
 AndroidLayerRendererFrame::BeginDrawing()
 {

widget/android/AndroidJavaWrappers.h

@@ -272,11 +272,15 @@ public:
     void GetViewTransform(AndroidViewTransform& aViewTransform);
     void CreateFrame(AndroidLayerRendererFrame& aFrame, float aXOffset, float aYOffset,
                      float aZoomFactor);
+    void ActivateProgram();
+    void DeactivateProgram();
 
 private:
     static jclass jGeckoGLLayerClientClass;
     static jmethodID jGetViewTransformMethod;
     static jmethodID jCreateFrameMethod;
+    static jmethodID jActivateProgramMethod;
+    static jmethodID jDeactivateProgramMethod;
 
     AndroidGeckoGLLayerClientViewTransformGetter mViewTransformGetter;
 };