diff --git a/src/gpufont/font.hpp b/src/gpufont/font.hpp
index 98b63c1..27c71fa 100644
--- a/src/gpufont/font.hpp
+++ b/src/gpufont/font.hpp
@@ -169,7 +169,11 @@ class Font {
 
         // If hinting is enabled, worldSize must be an integer and defines the font size in pixels used for hinting.
         // Otherwise, worldSize can be an arbitrary floating-point value.
-        Font(FT_Face face, float worldSize = 1.0f, bool hinting = false) : face(face), worldSize(worldSize), hinting(hinting){
+        Font(FT_Face face, int gpuTextureOffset, float worldSize = 1.0f, bool hinting = false) :
+            face(face),
+            gpuTextureOffset(gpuTextureOffset),
+            worldSize(worldSize),
+            hinting(hinting){
             // TODO: modularize init, so we can initialize with settings and text
 
             if(hinting){
@@ -340,6 +344,9 @@ class Font {
     private:
         bool initializedGlyphsBufferTexture = false;
         bool initializedCurvesBufferTexture = false;
+        int calcTextureOffset(){
+            return gpuTextureOffset * 2;
+        }
         void uploadBuffers(){
             //cout << "bufferGlyphs.size(): " << bufferGlyphs.size() << endl;
             //cout << "bufferCurves.size(): " << bufferCurves.size() << endl;
@@ -356,7 +363,7 @@ class Font {
                 if(!isPowerOfTwo(bufferGlyphsSize)){
                     bufferGlyphsSize = calculateUpperPowerOfTwo(bufferGlyphsSize);
                 }
-                glActiveTexture(GL_TEXTURE3);
+                glActiveTexture(GL_TEXTURE3 + calcTextureOffset());
                 glBindTexture(GL_TEXTURE_2D, glyphBuffer);
                 if(!initializedGlyphsBufferTexture){
                     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
@@ -383,7 +390,7 @@ class Font {
                 if(!isPowerOfTwo(bufferCurvesSize)){
                     bufferCurvesSize = calculateUpperPowerOfTwo(bufferCurvesSize);
                 }
-                glActiveTexture(GL_TEXTURE4);
+                glActiveTexture(GL_TEXTURE4 + calcTextureOffset());
                 glBindTexture(GL_TEXTURE_2D, curveBuffer);
                 if(!initializedCurvesBufferTexture){
                     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
@@ -686,14 +693,14 @@ class Font {
                 // Important! The GLint for the location needs to stick around
                 // we cannot reuse a location as in Desktop for some reason
                 glyphBufferLocation = glGetUniformLocation(program, "glyphs");
-                glUniform1i(glyphBufferLocation, 3);
+                glUniform1i(glyphBufferLocation, 3 + calcTextureOffset());
                 curveBufferLocation = glGetUniformLocation(program, "curves");
-                glUniform1i(curveBufferLocation, 4);
+                glUniform1i(curveBufferLocation, 4 + calcTextureOffset());
 
-                glActiveTexture(GL_TEXTURE3);
+                glActiveTexture(GL_TEXTURE3 + calcTextureOffset());
                 glBindTexture(GL_TEXTURE_2D, glyphBuffer);
 
-                glActiveTexture(GL_TEXTURE4);
+                glActiveTexture(GL_TEXTURE4 + calcTextureOffset());
                 glBindTexture(GL_TEXTURE_2D, curveBuffer);
 
                 glActiveTexture(GL_TEXTURE0);
@@ -992,9 +999,14 @@ class Font {
         // The glyph quads are expanded by this amount to enable proper
         // anti-aliasing. Value is relative to emSize.
         float dilation = 0;
+        int gpuTextureOffset = 0;
 };
 
-static std::shared_ptr <Font> loadFont(FT_Library & library, const std::string & filename, float worldSize = 1.0f, bool hinting = false){
+static std::shared_ptr <Font> loadFont(FT_Library & library,
+                                       const std::string & filename,
+                                       int gpuTextureOffset = 0,
+                                       float worldSize = 1.0f,
+                                       bool hinting = false){
     std::string error;
     FT_Face face = Font::loadFace(library, filename, error);
     if(error != ""){
@@ -1002,30 +1014,28 @@ static std::shared_ptr <Font> loadFont(FT_Library & library, const std::string &
         return std::shared_ptr <Font>{};
     }
 
-    return std::make_shared <Font>(face, worldSize, hinting);
+    return std::make_shared <Font>(face, gpuTextureOffset, worldSize, hinting);
 }
 
 static void tryUpdateMainFont(FT_Library & library,
                               const std::string & filename,
                               const string & mainText,
                               shared_ptr <Font> & mainFont,
-                              Font::BoundingBox & bb){
+                              int gpuTextureOffset){
     {
         cout << "tryUpdateMainFont" << endl;
-        auto font = loadFont(library, filename, 1.0f);
+        auto font = loadFont(library, filename, gpuTextureOffset);
         if(!font){
             return;
         }
 
         font->dilation = 0.1f;
 
-        font->prepareGlyphsForText(mainText);
+        if(mainText != ""){
+            font->prepareGlyphsForText(mainText);
+        }
 
         mainFont = std::move(font);
-        bb = mainFont->measure(0, 0, mainText);
-        cout << "tryUpdateMainFont loaded font" << endl;
-        cout << "mainText: " << mainText << endl;
-        cout << bb.minX << "-" << bb.maxX << endl;
     }
 }
 }