1 files changed, 54 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/ui/RawTexture.java b/src/com/android/gallery3d/ui/RawTexture.java
new file mode 100644
index 000000000..c1be435d1
--- /dev/null
+++ b/src/com/android/gallery3d/ui/RawTexture.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2010 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.gallery3d.ui;
+
+import javax.microedition.khronos.opengles.GL11;
+
+// RawTexture is used for texture created by glCopyTexImage2D.
+//
+// It will throw RuntimeException in onBind() if used with a different GL
+// context. It is only used internally by copyTexture() in GLCanvas.
+class RawTexture extends BasicTexture {
+
+    private RawTexture(GLCanvas canvas, int id) {
+        super(canvas, id, STATE_LOADED);
+    }
+
+    public static RawTexture newInstance(GLCanvas canvas) {
+        int[] textureId = new int[1];
+        GL11 gl = canvas.getGLInstance();
+        gl.glGenTextures(1, textureId, 0);
+        return new RawTexture(canvas, textureId[0]);
+    }
+
+    @Override
+    protected boolean onBind(GLCanvas canvas) {
+        if (mCanvasRef.get() != canvas) {
+            throw new RuntimeException("cannot bind to different canvas");
+        }
+        return true;
+    }
+
+    public boolean isOpaque() {
+        return true;
+    }
+
+    @Override
+    public void yield() {
+        // we cannot free the texture because we have no backup.
+    }
+}