1 files changed, 34 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/state/transforms/IStateTransform.java b/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/state/transforms/IStateTransform.java
new file mode 100644
index 000000000..de33a08f0
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/state/transforms/IStateTransform.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.ide.eclipse.gltrace.state.transforms;
+
+import com.android.ide.eclipse.gltrace.state.IGLProperty;
+
+/**
+ * This interface encapsulates a single change to the GL state. GL Calls that affect
+ * multiple state variables would use a list of these state transformations.
+ */
+public interface IStateTransform {
+    /** Apply this transformation on the given state. */
+    void apply(IGLProperty currentState);
+
+    /** Revert this transformation from the given state. */
+    void revert(IGLProperty currentState);
+
+    /** Obtain the property that will be affected by this transformation. */
+    IGLProperty getChangedProperty(IGLProperty currentState);
+}