X-Git-Url: http://git.tdb.fi/?p=libs%2Fvr.git;a=blobdiff_plain;f=source%2Fstereocombiner.h;h=bef0849b39ee4a460d8c8c838957286f70dc4fa9;hp=41c5a56945080b2edea0e0503b06128b62ee67b8;hb=c7e4d2226f16c8dfd9136eaa298fb0e6937ef125;hpb=b17410965e84e378c4cc85ffb732365552edc584

diff --git a/source/stereocombiner.h b/source/stereocombiner.h
index 41c5a56..bef0849 100644
--- a/source/stereocombiner.h
+++ b/source/stereocombiner.h
@@ -10,9 +10,20 @@ namespace VR {
 class StereoCombiner
 {
 protected:
-	float width_factor;
-	float height_factor;
-	float aspect_factor;
+	struct Frustum
+	{
+		float left;
+		float right;
+		float bottom;
+		float top;
+
+		Frustum();
+		Frustum(float, float, float, float);
+	};
+
+	unsigned target_width;
+	unsigned target_height;
+	float render_aspect;
 	Geometry::Angle<float> fov;
 	float frustum_skew;
 
@@ -20,12 +31,16 @@ protected:
 public:
 	virtual ~StereoCombiner() { }
 
-	float get_width_factor() const { return width_factor; }
-	float get_height_factor() const { return height_factor; }
-	float get_aspect_factor() const { return aspect_factor; }
+protected:
+	void configure_eye_frustums(const Frustum &, const Frustum &);
+public:
+	float get_target_width() const { return target_width; }
+	float get_target_height() const { return target_height; }
+	float get_render_aspect() const { return render_aspect; }
 	const Geometry::Angle<float> &get_field_of_view() const { return fov; }
 	float get_frustum_skew() const { return frustum_skew; }
 
+	virtual void prepare() const { }
 	virtual void render(const GL::Texture2D &, const GL::Texture2D &) const = 0;
 };