Created shared c++/glsl header for transformcamera

libraries/gpu/src/gpu/Context.h

@@ -64,17 +64,11 @@ public:
     virtual void recycle() const = 0;
     virtual void downloadFramebuffer(const FramebufferPointer& srcFramebuffer, const Vec4i& region, QImage& destImage) = 0;
 
-    // UBO class... layout MUST match the layout in Transform.slh
-    class TransformCamera {
-    public:
-        mutable Mat4 _view;
-        mutable Mat4 _viewInverse;
-        mutable Mat4 _projectionViewUntranslated;
-        Mat4 _projection;
-        mutable Mat4 _projectionInverse;
-        Vec4 _viewport; // Public value is int but float in the shader to stay in floats for all the transform computations.
-        mutable Vec4 _stereoInfo;
+    // Shared header between C++ and GLSL
+#include "TransformCamera_shared.slh"
 
+    class TransformCamera : public _TransformCamera {
+    public:
         const Backend::TransformCamera& recomputeDerived(const Transform& xformView) const;
         TransformCamera getEyeCamera(int eye, const StereoState& stereo, const Transform& xformView) const;
     };

libraries/gpu/src/gpu/Transform.slh

@@ -11,20 +11,14 @@
 <@def GPU_TRANSFORM_STATE_SLH@>
 
 <@func declareStandardCameraTransform()@>
-struct TransformCamera {
-    mat4 _view;
-    mat4 _viewInverse;
-    mat4 _projectionViewUntranslated;
-    mat4 _projection;
-    mat4 _projectionInverse;
-    vec4 _viewport;
-    vec4 _stereoInfo;
-};
+<@include gpu/TransformCamera_shared.slh@>
+
+#define TransformCamera _TransformCamera
 
 layout(std140) uniform transformCameraBuffer {
 #ifdef GPU_TRANSFORM_IS_STEREO
 #ifdef GPU_TRANSFORM_STEREO_CAMERA
-   TransformCamera _camera[2];
+    TransformCamera _camera[2];
 #else
     TransformCamera _camera;
 #endif

libraries/gpu/src/gpu/TransformCamera_shared.slh

@@ -0,0 +1,26 @@
+// glsl / C++ compatible source as interface for FadeEffect
+#ifdef __cplusplus
+#   define MAT4 Mat4
+#   define VEC4 Vec4
+#	define MUTABLE mutable
+#else
+#   define MAT4 mat4
+#   define VEC4 vec4
+#	define MUTABLE 
+#endif
+
+struct _TransformCamera {
+    MUTABLE MAT4 _view;
+    MUTABLE MAT4 _viewInverse;
+    MUTABLE MAT4 _projectionViewUntranslated;
+    MAT4 _projection;
+    MUTABLE MAT4 _projectionInverse;
+    VEC4 _viewport; // Public value is int but float in the shader to stay in floats for all the transform computations.
+    MUTABLE VEC4 _stereoInfo;
+};
+
+    // <@if 1@>
+    // Trigger Scribe include 
+    // <@endif@> <!def that !> 
+//
+