void R_SetupScene(void)
{
//johnfitz -- rewrote this section
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glViewport(glx + r_refdef.vrect.x,
gly + glheight - r_refdef.vrect.y - r_refdef.vrect.height,
r_refdef.vrect.width,
r_refdef.vrect.height);
//johnfitz
GL_SetFrustum(r_fovx, r_fovy); //johnfitz -- use r_fov* vars
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(-90, 1, 0, 0); // put Z going up
glRotatef(90, 0, 0, 1); // put Z going up
glRotatef(-r_refdef.viewangles[2], 1, 0, 0);
glRotatef(-r_refdef.viewangles[0], 0, 1, 0);
glRotatef(-r_refdef.viewangles[1], 0, 0, 1);
glTranslatef(-r_refdef.vieworg[0], -r_refdef.vieworg[1], -r_refdef.vieworg[2]);
glGetFloatv(GL_MODELVIEW_MATRIX, r_world_matrix);
// set drawing parms
if (gl_cull.value)
glEnable(GL_CULL_FACE);
else
glDisable(GL_CULL_FACE);
VideoLayer_Enable(VIDEO_DEPTH_TEST);
}
/*
=============
R_SetupGL
=============
*/
void R_SetupGL (void)
{
//johnfitz -- rewrote this section
glMatrixMode(GL_PROJECTION);
glLoadIdentity ();
glViewport (glx + r_refdef.vrect.x,
gly + glheight - r_refdef.vrect.y - r_refdef.vrect.height,
r_refdef.vrect.width,
r_refdef.vrect.height);
//johnfitz
if (vr_enabled.value)
{
VR_SetFrustum(); // jeremiah sypult -- VR is responsible for frustum
}
else
{
GL_SetFrustum (r_fovx, r_fovy); //johnfitz -- use r_fov* vars
}
// glCullFace(GL_BACK); //johnfitz -- glquake used CCW with backwards culling -- let's do it right
glMatrixMode(GL_MODELVIEW);
glLoadIdentity ();
glRotatef (-90, 1, 0, 0); // put Z going up
glRotatef (90, 0, 0, 1); // put Z going up
glRotatef (-r_refdef.viewangles[2], 1, 0, 0);
glRotatef (-r_refdef.viewangles[0], 0, 1, 0);
glRotatef (-r_refdef.viewangles[1], 0, 0, 1);
glTranslatef (-r_refdef.vieworg[0], -r_refdef.vieworg[1], -r_refdef.vieworg[2]);
glGetFloatv (GL_MODELVIEW_MATRIX, r_world_matrix);
//
// set drawing parms
//
if (gl_cull.value)
glEnable(GL_CULL_FACE);
else
glDisable(GL_CULL_FACE);
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glEnable(GL_DEPTH_TEST);
}
