# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1442859156 -10800
# Node ID d4fed8aac9a6786e8f7a892164b26308229bbb4a
# Parent  dc735bdeeb8a9f8a51f76e96785ea186793ed8d0
fixed all sideways crap in the effect code
fixed fov on all orientations
fixed inverted tangent vector in bump mapped version

diff -r dc735bdeeb8a -r d4fed8aac9a6 src/ios/viewctl.m
--- a/src/ios/viewctl.m	Mon Sep 21 07:40:34 2015 +0300
+++ b/src/ios/viewctl.m	Mon Sep 21 21:12:36 2015 +0300
@@ -81,6 +81,17 @@
     return YES;
 }
 
+- (BOOL)shouldAutorotate
+{
+	return YES;
+}
+
+- (UIInterfaceOrientationMask)supportedInterfaceOrientations
+{
+	return UIInterfaceOrientationMaskLandscape;
+	//return UIInterfaceOrientationMaskAll;
+}
+
 - (void)create_ad
 {
 	ad = [[ADBannerView alloc] initWithAdType: ADAdTypeBanner];
diff -r dc735bdeeb8a -r d4fed8aac9a6 src/istereo.c
--- a/src/istereo.c	Mon Sep 21 07:40:34 2015 +0300
+++ b/src/istereo.c	Mon Sep 21 21:12:36 2015 +0300
@@ -118,16 +118,16 @@
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
 	if(stereo) {
-		int split_pt = (int)((float)view_ysz * split);
+		int split_pt = (int)((float)view_xsz * split);
 
 		/* right eye */
-		glViewport(0, 0, view_xsz, split_pt);
-		cam_aspect((float)split_pt / (float)view_xsz);
+		glViewport(0, 0, split_pt, view_ysz);
+		cam_aspect((float)split_pt / (float)view_ysz);
 
 		gl_matrix_mode(GL_PROJECTION);
 		gl_load_identity();
 		cam_stereo_proj_matrix(CAM_RIGHT);
-		gl_rotatef(-90, 0, 0, 1);
+		//gl_rotatef(-90, 0, 0, 1);
 
 		gl_matrix_mode(GL_MODELVIEW);
 		gl_load_identity();
@@ -137,13 +137,13 @@
 		render(tsec);
 
 		/* left eye */
-		glViewport(0, split_pt, view_xsz, view_ysz - split_pt);
-		cam_aspect((float)(view_ysz - split_pt) / (float)view_xsz);
+		glViewport(split_pt, 0, view_xsz - split_pt, view_ysz);
+		cam_aspect((float)(view_xsz - split_pt) / (float)view_ysz);
 
 		gl_matrix_mode(GL_PROJECTION);
 		gl_load_identity();
 		cam_stereo_proj_matrix(CAM_LEFT);
-		gl_rotatef(-90, 0, 0, 1);
+		//gl_rotatef(-90, 0, 0, 1);
 
 		gl_matrix_mode(GL_MODELVIEW);
 		gl_load_identity();
@@ -157,7 +157,7 @@
 
 		gl_matrix_mode(GL_PROJECTION);
 		gl_load_identity();
-		gl_rotatef(-90, 0, 0, 1);
+		//gl_rotatef(-90, 0, 0, 1);
 		cam_proj_matrix();
 
 		gl_matrix_mode(GL_MODELVIEW);
@@ -280,7 +280,7 @@
 	dfdv = v3_sub(pos_dv, pos);
 	norm = v3_cross(dfdv, dfdu);
 
-	gl_vertex_attrib3f(tang_loc, dfdu.x, dfdu.y, dfdu.z);
+	gl_vertex_attrib3f(tang_loc, dfdu.x, -dfdu.y, dfdu.z);
 	gl_normal3f(norm.x, norm.y, norm.z);
 	gl_texcoord2f(u * 2.0, v * 4.0);
 	gl_vertex3f(pos.x, pos.y, pos.z);
@@ -348,9 +348,15 @@
 {
 	glViewport(0, 0, x, y);
 
+	float aspect = (float)x / (float)y;
+	float maxfov = 40.0;
+	float vfov = aspect > 1.0 ? maxfov / aspect : maxfov;
+
+	cam_fov(vfov);
+
 	gl_matrix_mode(GL_PROJECTION);
 	gl_load_identity();
-	glu_perspective(40.0, (float)x / (float)y, 0.5, 500.0);
+	glu_perspective(vfov, aspect, 0.5, 500.0);
 
 	view_xsz = x;
 	view_ysz = y;