diff --git a/src/gl/scene/gl_bsp.cpp b/src/gl/scene/gl_bsp.cpp
index 725ea86639..98053784ce 100644
--- a/src/gl/scene/gl_bsp.cpp
+++ b/src/gl/scene/gl_bsp.cpp
@@ -63,6 +63,7 @@ CVAR(Bool, gl_render_things, true, 0)
 CVAR(Bool, gl_render_walls, true, 0)
 CVAR(Bool, gl_render_flats, true, 0)
 
+extern fixed_t viewx, viewy;
 
 static void UnclipSubsector(subsector_t *sub)
 {
diff --git a/src/gl/scene/gl_clipper.cpp b/src/gl/scene/gl_clipper.cpp
index ab4bb83d41..e7cb14b26c 100644
--- a/src/gl/scene/gl_clipper.cpp
+++ b/src/gl/scene/gl_clipper.cpp
@@ -388,6 +388,8 @@ angle_t Clipper::AngleToPseudo(angle_t ang)
 //
 //-----------------------------------------------------------------------------
 
+fixed_t viewx, viewy;
+
 void R_SetView()
 {
 	viewx = FLOAT2FIXED(ViewPos.X);
diff --git a/src/gl/scene/gl_sky.cpp b/src/gl/scene/gl_sky.cpp
index d556dcdabf..80ecc76327 100644
--- a/src/gl/scene/gl_sky.cpp
+++ b/src/gl/scene/gl_sky.cpp
@@ -272,7 +272,7 @@ void GLWall::SkyTop(seg_t * seg,sector_t * fs,sector_t * bs,vertex_t * v1,vertex
 					// or it will cause glitches elsewhere.
 					tex = TexMan(seg->sidedef->GetTexture(side_t::mid));
 					if (tex != NULL && !(seg->linedef->flags & ML_DONTPEGTOP) &&
-						seg->sidedef->GetTextureYOffset(side_t::mid) > 0)
+						seg->sidedef->GetTextureYOffsetF(side_t::mid) > 0)
 					{
 						ztop[0]=ztop[1]=32768.0f;
 						zbottom[0]=zbottom[1]= 
diff --git a/src/gl/scene/gl_sprite.cpp b/src/gl/scene/gl_sprite.cpp
index 48c20fad4c..5bbf26d929 100644
--- a/src/gl/scene/gl_sprite.cpp
+++ b/src/gl/scene/gl_sprite.cpp
@@ -644,7 +644,7 @@ void GLSprite::Process(AActor* thing, sector_t * sector, bool thruportal)
 		gltexture=NULL;
 	}
 
-	depth = (int)((x - ViewPos.X) * viewtancos + (y - ViewPos.Y) * viewtansin);
+	depth = FloatToFixed((x - ViewPos.X) * ViewTanCos + (y - ViewPos.Y) * ViewTanSin);
 
 	// light calculation
 
@@ -945,7 +945,7 @@ void GLSprite::ProcessParticle (particle_t *particle, sector_t *sector)//, int s
 	z1=z-scalefac;
 	z2=z+scalefac;
 
-	depth = (int)((x - ViewPos.X) * viewtancos + (y - ViewPos.Y) * viewtansin);
+	depth = FloatToFixed((x - ViewPos.X) * ViewTanCos + (y - ViewPos.Y) * ViewTanSin);
 
 	actor=NULL;
 	this->particle=particle;