diff --git a/glyphs/glyphs.go b/glyphs/glyphs.go
index 0d5dd85..727a598 100755
--- a/glyphs/glyphs.go
+++ b/glyphs/glyphs.go
@@ -76,10 +76,17 @@ func getGlyphsFromRanges(ranges [][2]rune) []rune {
 	return out
 }
 
+//DrawTextOpenGL prepares text that will be drawn on the next GlyphRend.Draw call.
+//screenPos is in the range [0,1], where (0,0) is the bottom left.
+//Color is RGBA in the range [0,1].
 func (gr *GlyphRend) DrawTextOpenGL(text string, screenPos *gglm.Vec3, color *gglm.Vec4) {
 
+	screenWidthF32 := float32(gr.ScreenWidth)
+	screenHeightF32 := float32(gr.ScreenHeight)
+	screenPos.Set(screenPos.X()*screenWidthF32, screenPos.Y()*screenHeightF32, screenPos.Z())
+
 	//The projection matrix fits the screen size. This is needed so we can size and position characters correctly.
-	projMtx := gglm.Ortho(0, float32(gr.ScreenWidth), float32(gr.ScreenHeight), 0, 0.1, 10)
+	projMtx := gglm.Ortho(0, screenWidthF32, screenHeightF32, 0, 0.1, 10)
 	viewMtx := gglm.LookAt(gglm.NewVec3(0, 0, -1), gglm.NewVec3(0, 0, 0), gglm.NewVec3(0, 1, 0))
 	projViewMtx := projMtx.Clone().Mul(viewMtx)
 
@@ -136,6 +143,10 @@ func (gr *GlyphRend) DrawTextOpenGL(text string, screenPos *gglm.Vec3, color *gg
 
 func (gr *GlyphRend) Draw() {
 
+	if gr.GlyphCount == 0 {
+		return
+	}
+
 	gr.InstancedBuf.SetData(gr.GlyphVBO)
 	gr.InstancedBuf.Bind()
 	gr.GlyphMat.Bind()
diff --git a/main.go b/main.go
index a869270..393fcbf 100755
--- a/main.go
+++ b/main.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"time"
 
 	"github.com/bloeys/gglm/gglm"
@@ -114,33 +113,10 @@ func (p *program) Update() {
 
 func (p *program) Render() {
 
-	w, h := p.win.SDLWin.GetSize()
+	defer p.GlyphRend.Draw()
+
 	textColor := gglm.NewVec4(1, 1, 1, 1)
-
-	//Draw FPS
-	var fps float32
-	if frameTime.Milliseconds() > 0 {
-		fps = 1 / float32(frameTime.Milliseconds()) * 1000
-	}
-	startFromTop := float32(h) - float32(p.GlyphRend.Atlas.LineHeight)
-	p.GlyphRend.DrawTextOpenGL(fmt.Sprintf("FPS=%f", fps), gglm.NewVec3(float32(w)*0.7, startFromTop, 0), textColor)
-
-	//Draw point and texture sizes
-	startFromTop -= float32(p.GlyphRend.Atlas.LineHeight)
-	p.GlyphRend.DrawTextOpenGL(fmt.Sprintf("Point size=%d", p.FontSize), gglm.NewVec3(float32(w)*0.7, startFromTop, 0), textColor)
-
-	startFromTop -= float32(p.GlyphRend.Atlas.LineHeight)
-	p.GlyphRend.DrawTextOpenGL(fmt.Sprintf("Texture size=%d*%d", p.GlyphRend.Atlas.Img.Rect.Max.X, p.GlyphRend.Atlas.Img.Rect.Max.Y), gglm.NewVec3(float32(w)*0.7, startFromTop, 0), textColor)
-
-	//Draw all other
-	count := 1000
-	startFromBot := float32(p.GlyphRend.Atlas.LineHeight)
-	for i := 0; i < count; i++ {
-		p.GlyphRend.DrawTextOpenGL("Hello friend, how are you?\n", gglm.NewVec3(0, startFromBot, 0), textColor)
-		startFromBot += float32(p.GlyphRend.Atlas.LineHeight) * 2
-	}
-
-	p.GlyphRend.Draw()
+	p.GlyphRend.DrawTextOpenGL("Hello there, friend.", gglm.NewVec3(0, 0.9, 0), textColor)
 }
 
 func (p *program) FrameEnd() {