From fa43a20e8274638b84c26e052dd8f7cc8993edd9 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 16 Sep 2016 11:21:35 +0300
Subject: [PATCH] No longer inherit StereoView from GL::Renderable

There really is no point in using it inside GL::Pipelines or other
containers.
---
 source/stereoview.cpp | 26 +++++++-------------------
 source/stereoview.h   | 13 ++++++-------
 2 files changed, 13 insertions(+), 26 deletions(-)

diff --git a/source/stereoview.cpp b/source/stereoview.cpp
index 95eb847..5b8dbbb 100644
--- a/source/stereoview.cpp
+++ b/source/stereoview.cpp
@@ -58,28 +58,16 @@ void StereoView::setup_frame() const
 
 	left.setup_frame(base_camera, offset_axis*-eye_spacing, frustum_skew, params);
 	right.setup_frame(base_camera, offset_axis*eye_spacing, -frustum_skew, params);
-
-	renderable.setup_frame();
-}
-
-void StereoView::finish_frame() const
-{
-	renderable.finish_frame();
 }
 
-void StereoView::render(const GL::Tag &tag) const
+void StereoView::render() const
 {
 	setup_frame();
-	left.render(renderable, tag);
-	right.render(renderable, tag);
+	renderable.setup_frame();
+	left.render(renderable);
+	right.render(renderable);
+	renderable.finish_frame();
 	combiner->render(left.target->color, right.target->color);
-	finish_frame();
-}
-
-void StereoView::render(GL::Renderer &renderer, const GL::Tag &tag) const
-{
-	renderer.escape();
-	return render(tag);
 }
 
 
@@ -117,12 +105,12 @@ void StereoView::Eye::setup_frame(const GL::Camera &base_camera, const GL::Vecto
 	camera.set_frustum_axis(frustum_skew, 0);
 }
 
-void StereoView::Eye::render(const GL::Renderable &renderable, const GL::Tag &tag) const
+void StereoView::Eye::render(const GL::Renderable &renderable) const
 {
 	GL::Bind bind_fbo(target->fbo);
 	target->fbo.clear(GL::COLOR_BUFFER_BIT|GL::DEPTH_BUFFER_BIT);
 	GL::Renderer renderer(&camera);
-	renderable.render(renderer, tag);
+	renderable.render(renderer);
 }
 
 } // namespace VR
diff --git a/source/stereoview.h b/source/stereoview.h
index b1e0473..842636e 100644
--- a/source/stereoview.h
+++ b/source/stereoview.h
@@ -13,7 +13,7 @@ namespace VR {
 
 class StereoCombiner;
 
-class StereoView: public GL::Renderable
+class StereoView
 {
 private:
 	struct RenderTarget
@@ -42,7 +42,7 @@ private:
 
 		void create_target(unsigned, unsigned);
 		void setup_frame(const GL::Camera &, const GL::Vector3 &, float, const EyeParams &) const;
-		void render(const GL::Renderable &, const GL::Tag &) const;
+		void render(const GL::Renderable &) const;
 	};
 
 	unsigned width;
@@ -63,11 +63,10 @@ public:
 	void set_eye_spacing(float);
 	void set_strabismus(const Geometry::Angle<float> &);
 
-	virtual void setup_frame() const;
-	virtual void finish_frame() const;
-
-	virtual void render(const GL::Tag & = GL::Tag()) const;
-	virtual void render(GL::Renderer &, const GL::Tag & = GL::Tag()) const;
+private:
+	void setup_frame() const;
+public:
+	void render() const;
 };
 
 } // namespace VR
-- 
2.45.2