1 files changed, 18 insertions, 11 deletions

diff --git a/graphics.h b/graphics.h
index 57aa56e..51c0a93 100644
--- a/graphics.h
+++ b/graphics.h
@@ -10,35 +10,42 @@ typedef struct Camera Camera;
 struct Vertex {
 	Point3 p;	/* position */
 	Point3 n;	/* surface normal */
-	//Image tx;	/* (?) */
+};
+
+struct Viewport
+{
+	RFrame;
+	Memimage *fb;
 };
 
 struct Camera {
 	RFrame3;		/* VCS */
-	Image *viewport;
+	Viewport viewport;
 	double fov;		/* vertical FOV */
-	struct {
-		double n, f;	/* near and far clipping planes */
-	} clip;
+	double clipn;
+	double clipf;
 	Matrix3 proj;		/* VCS to NDC xform */
 	Projection ptype;
+
+	void (*updatefb)(Camera*, Rectangle, ulong);
 };
 
 /* Camera */
-void perspective(Matrix3, double, double, double, double);
-void orthographic(Matrix3, double, double, double, double, double, double);
+Camera *alloccamera(Rectangle, ulong);
 void configcamera(Camera*, Image*, double, double, double, Projection);
 void placecamera(Camera*, Point3, Point3, Point3);
 void aimcamera(Camera*, Point3);
 void reloadcamera(Camera*);
 
 /* rendering */
-#define FPS2MS(n)	(1000/(n))
+#define FPS2MS(n)		(1000/(n))
 #define WORLD2VCS(cp, p)	(rframexform3((p), *(cp)))
-#define VCS2NDC(cp, p)	(xform3((p), (cp)->proj))
+#define VCS2NDC(cp, p)		(xform3((p), (cp)->proj))
 #define WORLD2NDC(cp, p)	(VCS2NDC((cp), WORLD2VCS((cp), (p))))
 int isclipping(Point3);
 Point toviewport(Camera*, Point3);
 Point2 fromviewport(Camera*, Point);
-void line3(Camera *c, Point3 p0, Point3 p1, int end0, int end1, Image *src);
-Point string3(Camera *c, Point3 p, Image *src, Font *f, char *s);
+void perspective(Matrix3, double, double, double, double);
+void orthographic(Matrix3, double, double, double, double, double, double);
+void line3(Camera*, Point3, Point3, int, int, Image*);
+Point string3(Camera*, Point3, Image*, Font*, char*);