1 files changed, 41 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/ImageIndex.h b/src/3rdparty/angle/src/libGLESv2/ImageIndex.h
new file mode 100644
index 0000000000..9f2df88061
--- /dev/null
+++ b/src/3rdparty/angle/src/libGLESv2/ImageIndex.h
@@ -0,0 +1,41 @@
+//
+// Copyright 2014 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ImageIndex.h: A helper struct for indexing into an Image array
+
+#ifndef LIBGLESV2_IMAGE_INDEX_H_
+#define LIBGLESV2_IMAGE_INDEX_H_
+
+#include "angle_gl.h"
+
+namespace gl
+{
+
+struct ImageIndex
+{
+    GLenum type;
+    GLint mipIndex;
+    GLint layerIndex;
+
+    ImageIndex(const ImageIndex &other);
+    ImageIndex &operator=(const ImageIndex &other);
+
+    bool hasLayer() const { return layerIndex != ENTIRE_LEVEL; }
+
+    static ImageIndex Make2D(GLint mipIndex);
+    static ImageIndex MakeCube(GLenum target, GLint mipIndex);
+    static ImageIndex Make2DArray(GLint mipIndex, GLint layerIndex);
+    static ImageIndex Make3D(GLint mipIndex, GLint layerIndex = ENTIRE_LEVEL);
+
+    static const GLint ENTIRE_LEVEL = static_cast<GLint>(-1);
+
+  private:
+    ImageIndex(GLenum typeIn, GLint mipIndexIn, GLint layerIndexIn);
+};
+
+}
+
+#endif // LIBGLESV2_IMAGE_INDEX_H_