Hello friend

res/models/quad.obj

@@ -0,0 +1,15 @@
+# Blender v2.92.0 OBJ File: ''
+# www.blender.org
+o Plane
+v -0.500000 -0.500000 0.000000
+v 0.500000 -0.500000 0.000000
+v -0.500000 0.500000 0.000000
+v 0.500000 0.500000 0.000000
+vt 1.000000 0.000000
+vt 0.000000 1.000000
+vt 0.000000 0.000000
+vt 1.000000 1.000000
+vn 0.0000 0.0000 1.0000
+s off
+f 2/1/1 3/2/1 1/3/1
+f 2/1/1 4/4/1 3/2/1

res/shaders/glyph.frag.glsl

@@ -0,0 +1,28 @@
+#version 410
+
+// uniform float ambientStrength = 0.1;
+// uniform vec3 ambientLightColor = vec3(1, 1, 1);
+
+// uniform vec3 lightPos1;
+// uniform vec3 lightColor1;
+
+uniform sampler2D diffTex;
+
+in vec4 vertColor;
+// in vec3 vertNormal;
+in vec2 vertUV0;
+in vec3 fragPos;
+
+out vec4 fragColor;
+
+void main()
+{
+    // vec3 lightDir = normalize(lightPos1 - fragPos);  
+    // float diffStrength = max(0.0, dot(normalize(vertNormal), lightDir));
+
+    // vec3 finalAmbientColor = ambientLightColor * ambientStrength;
+    vec4 texColor = texture(diffTex, vertUV0);
+    fragColor = vec4(vertColor.rgb, texColor.r*texColor.a);
+    // fragColor = vec4(texColor.rgb * vertColor * (finalAmbientColor + diffStrength*lightColor1) , texColor.a);
+    // Out_Color = vec4(Frag_Color.rgb, Frag_Color.a * texture(Texture, Frag_UV.st).r);
+} 

res/shaders/glyph.vert.glsl

@@ -0,0 +1,26 @@
+#version 410
+
+layout(location=0) in vec3 vertPosIn;
+// layout(location=1) in vec3 vertNormalIn;
+layout(location=1) in vec2 vertUV0In;
+layout(location=2) in vec4 vertColorIn;
+
+// out vec3 vertNormal;
+out vec2 vertUV0;
+out vec4 vertColor;
+out vec3 fragPos;
+
+//MVP = Model View Projection
+uniform mat4 modelMat;
+uniform mat4 viewMat;
+uniform mat4 projMat;
+
+void main()
+{
+    // vertNormal = mat3(transpose(inverse(modelMat))) * vertNormalIn;
+    vertUV0 = vertUV0In;
+    vertColor = vertColorIn;
+    fragPos = vec3(modelMat * vec4(vertPosIn, 1.0));
+
+    gl_Position = projMat * viewMat * modelMat * vec4(vertPosIn, 1.0);
+}

res/shaders/imgui.vert.glsl

@@ -2,7 +2,8 @@
 
 uniform mat4 ProjMtx;
 
-in vec2 Position;
+in vec3 Position;
+in vec3 Normal;
 in vec2 UV;
 in vec4 Color;
 
@@ -12,6 +13,7 @@ out vec4 Frag_Color;
 void main()
 {
     Frag_UV = UV;
+    Frag_Color = vec4(1,1,1,1);
     Frag_Color = Color;
     gl_Position = ProjMtx * vec4(Position.xy, 0, 1);
 }