Adding color table layer

scwx-qt/gl/texture1d.frag

@@ -0,0 +1,15 @@
+#version 330 core
+
+// Lower the default precision to medium
+precision mediump float;
+
+uniform sampler1D uTexture;
+
+in float texCoord;
+
+layout (location = 0) out vec4 fragColor;
+
+void main()
+{
+   fragColor = texture(uTexture, texCoord);
+}

scwx-qt/gl/texture1d.vert

@@ -0,0 +1,13 @@
+#version 330 core
+layout (location = 0) in vec2  aVertex;
+layout (location = 1) in float aTexCoord;
+
+out float texCoord;
+
+uniform mat4 uMVPMatrix;
+
+void main()
+{
+   gl_Position = uMVPMatrix * vec4(aVertex, 0.0f, 1.0f);
+   texCoord    = aTexCoord;
+}