Create a text shader and font utility

scwx-qt/gl/text.frag

@@ -0,0 +1,12 @@
+#version 330 core
+in vec2 texCoords;
+out vec4 color;
+
+uniform sampler2D text;
+uniform vec4 textColor;
+
+void main()
+{
+   vec4 sampled = vec4(1.0f, 1.0f, 1.0f, texture(text, texCoords).r);
+   color        = textColor * sampled;
+}

scwx-qt/gl/text.vert

@@ -0,0 +1,11 @@
+#version 330 core
+layout (location = 0) in vec4 vertex;
+out vec2 texCoords;
+
+uniform mat4 projection;
+
+void main()
+{
+   gl_Position = projection * vec4(vertex.xy, 0.0f, 1.0f);
+   texCoords   = vertex.zw;
+}