Draw n-patches using OpenGL.
Currently only tested with title bars and buttons.
Change-Id: I8263a9281898dc0e943b1b8412827fe55639b9d6
diff --git a/libs/hwui/Vertex.h b/libs/hwui/Vertex.h
new file mode 100644
index 0000000..208d2a8
--- /dev/null
+++ b/libs/hwui/Vertex.h
@@ -0,0 +1,49 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_UI_VERTEX_H
+#define ANDROID_UI_VERTEX_H
+
+namespace android {
+namespace uirenderer {
+
+/**
+ * Simple structure to describe a vertex with a position.
+ * This is used to draw filled rectangles without a texture.
+ */
+struct SimpleVertex {
+ float position[2];
+}; // struct SimpleVertex
+
+/**
+ * Simple structure to describe a vertex with a position and a texture.
+ */
+struct TextureVertex {
+ float position[2];
+ float texture[2];
+
+ static inline void set(TextureVertex* vertex, float x, float y, float u, float v) {
+ vertex[0].position[0] = x;
+ vertex[0].position[1] = y;
+ vertex[0].texture[0] = u;
+ vertex[0].texture[1] = v;
+ }
+}; // struct TextureVertex
+
+}; // namespace uirenderer
+}; // namespace android
+
+#endif // ANDROID_UI_VERTEX_H