Add frame concept to gpu library

libraries/gpu/src/gpu/Forward.h

@@ -12,6 +12,7 @@
 #include <stdint.h>
 #include <memory>
 #include <vector>
+#include <functional>
 
 #include <glm/glm.hpp>
 
@@ -21,6 +22,9 @@ namespace gpu {
     class Context;
     using ContextPointer = std::shared_ptr<Context>;
     class GPUObject;
+    class Frame;
+    using FramePointer = std::shared_ptr<Frame>;
+    using FrameHandler = std::function<void(Frame& frame)>;
 
     using Stamp = int;
     using uint32 = uint32_t;

libraries/gpu/src/gpu/Frame.cpp

@@ -0,0 +1,10 @@
+//
+//  Created by Bradley Austin Davis on 2016/07/26
+//  Copyright 2013-2016 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+#include "Frame.h"
+
+using namespace gpu;

libraries/gpu/src/gpu/Frame.h

@@ -0,0 +1,28 @@
+//
+//  Created by Bradley Austin Davis on 2016/07/26
+//  Copyright 2013-2016 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+#ifndef hifi_gpu_Frame_h
+#define hifi_gpu_Frame_h
+
+#include "Forward.h"
+
+namespace gpu {
+
+class Frame {
+public:
+    /// The sensor pose used for rendering the frame, only applicable for HMDs
+    glm::mat4 pose;
+    /// The collection of batches which make up the frame
+    std::vector<Batch> batches;
+    /// The destination framebuffer in which the results will be placed
+    FramebufferPointer framebuffer;
+};
+
+};
+
+
+#endif