1.1 --- a/src/ios/viewctl.m	Mon Sep 21 07:40:34 2015 +0300
     1.2 +++ b/src/ios/viewctl.m	Mon Sep 21 21:12:36 2015 +0300
     1.3 @@ -81,6 +81,17 @@
     1.4      return YES;
     1.5  }
     1.6  
     1.7 +- (BOOL)shouldAutorotate
     1.8 +{
     1.9 +	return YES;
    1.10 +}
    1.11 +
    1.12 +- (UIInterfaceOrientationMask)supportedInterfaceOrientations
    1.13 +{
    1.14 +	return UIInterfaceOrientationMaskLandscape;
    1.15 +	//return UIInterfaceOrientationMaskAll;
    1.16 +}
    1.17 +
    1.18  - (void)create_ad
    1.19  {
    1.20  	ad = [[ADBannerView alloc] initWithAdType: ADAdTypeBanner];

     2.1 --- a/src/istereo.c	Mon Sep 21 07:40:34 2015 +0300
     2.2 +++ b/src/istereo.c	Mon Sep 21 21:12:36 2015 +0300
     2.3 @@ -118,16 +118,16 @@
     2.4  	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     2.5  
     2.6  	if(stereo) {
     2.7 -		int split_pt = (int)((float)view_ysz * split);
     2.8 +		int split_pt = (int)((float)view_xsz * split);
     2.9  
    2.10  		/* right eye */
    2.11 -		glViewport(0, 0, view_xsz, split_pt);
    2.12 -		cam_aspect((float)split_pt / (float)view_xsz);
    2.13 +		glViewport(0, 0, split_pt, view_ysz);
    2.14 +		cam_aspect((float)split_pt / (float)view_ysz);
    2.15  
    2.16  		gl_matrix_mode(GL_PROJECTION);
    2.17  		gl_load_identity();
    2.18  		cam_stereo_proj_matrix(CAM_RIGHT);
    2.19 -		gl_rotatef(-90, 0, 0, 1);
    2.20 +		//gl_rotatef(-90, 0, 0, 1);
    2.21  
    2.22  		gl_matrix_mode(GL_MODELVIEW);
    2.23  		gl_load_identity();
    2.24 @@ -137,13 +137,13 @@
    2.25  		render(tsec);
    2.26  
    2.27  		/* left eye */
    2.28 -		glViewport(0, split_pt, view_xsz, view_ysz - split_pt);
    2.29 -		cam_aspect((float)(view_ysz - split_pt) / (float)view_xsz);
    2.30 +		glViewport(split_pt, 0, view_xsz - split_pt, view_ysz);
    2.31 +		cam_aspect((float)(view_xsz - split_pt) / (float)view_ysz);
    2.32  
    2.33  		gl_matrix_mode(GL_PROJECTION);
    2.34  		gl_load_identity();
    2.35  		cam_stereo_proj_matrix(CAM_LEFT);
    2.36 -		gl_rotatef(-90, 0, 0, 1);
    2.37 +		//gl_rotatef(-90, 0, 0, 1);
    2.38  
    2.39  		gl_matrix_mode(GL_MODELVIEW);
    2.40  		gl_load_identity();
    2.41 @@ -157,7 +157,7 @@
    2.42  
    2.43  		gl_matrix_mode(GL_PROJECTION);
    2.44  		gl_load_identity();
    2.45 -		gl_rotatef(-90, 0, 0, 1);
    2.46 +		//gl_rotatef(-90, 0, 0, 1);
    2.47  		cam_proj_matrix();
    2.48  
    2.49  		gl_matrix_mode(GL_MODELVIEW);
    2.50 @@ -280,7 +280,7 @@
    2.51  	dfdv = v3_sub(pos_dv, pos);
    2.52  	norm = v3_cross(dfdv, dfdu);
    2.53  
    2.54 -	gl_vertex_attrib3f(tang_loc, dfdu.x, dfdu.y, dfdu.z);
    2.55 +	gl_vertex_attrib3f(tang_loc, dfdu.x, -dfdu.y, dfdu.z);
    2.56  	gl_normal3f(norm.x, norm.y, norm.z);
    2.57  	gl_texcoord2f(u * 2.0, v * 4.0);
    2.58  	gl_vertex3f(pos.x, pos.y, pos.z);
    2.59 @@ -348,9 +348,15 @@
    2.60  {
    2.61  	glViewport(0, 0, x, y);
    2.62  
    2.63 +	float aspect = (float)x / (float)y;
    2.64 +	float maxfov = 40.0;
    2.65 +	float vfov = aspect > 1.0 ? maxfov / aspect : maxfov;
    2.66 +
    2.67 +	cam_fov(vfov);
    2.68 +
    2.69  	gl_matrix_mode(GL_PROJECTION);
    2.70  	gl_load_identity();
    2.71 -	glu_perspective(40.0, (float)x / (float)y, 0.5, 500.0);
    2.72 +	glu_perspective(vfov, aspect, 0.5, 500.0);
    2.73  
    2.74  	view_xsz = x;
    2.75  	view_ysz = y;