# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1446701136 -7200
# Node ID c994aa032e3c7470728b73bc818504e71cbfb379

start planing the goatvr1 api

diff -r 000000000000 -r c994aa032e3c include/goatvr.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/goatvr.h	Thu Nov 05 07:25:36 2015 +0200
@@ -0,0 +1,35 @@
+#ifndef GOATVR_H_
+#define GOATVR_H_
+
+int gvr_init(void);
+void gvr_cleanup(void);
+
+/* Enter VR rendering mode. GoatVR will assume control of your output, go fullscreen,
+ * reposition your window to show up on the VR device, or whatever is needed depending
+ * on the selected vr module.
+ */
+int gvr_enter_vr(void);
+/* Leave VR rendering mode and return to the previous rendering state */
+int gvr_leave_vr(void);
+
+/* ---- rendering ---- */
+void gvr_begin(int eye);
+void gvr_end(void);
+void gvr_present(void);
+
+/* expose internal render target objects, usually not needed */
+void gvr_get_viewport(int *vp);
+unsigned int gvr_get_fbo(void);
+unsigned int gvr_get_fbo_texture(void);
+unsigned int gvr_get_fbo_depth(void);
+
+/* ---- tracking ---- */
+
+int gvr_position(float *vec, int track_id);
+int gvr_rotation(float *quat, int track_id);
+int gvr_matrix(float *mat, int track_id);
+
+int gvr_view_matrix(float *mat, int eye); /* equivalent to inverse of gvr_matrix(mat, eye) */
+int gvr_proj_matrix(float *mat, int eye, float znear, float zfar);
+
+#endif	/* GOATVR_H_ */