Started refactor to lazily compilable shaders.

shaders/fragment_point_cloud.glsl

@@ -0,0 +1,18 @@
+#pragma STAGE: FRAGMENT
+#pragma GEOMETRY: POINT_CLOUD
+#pragma FEATURES: SQUARE V_L V_RGB V_A LIGHTING U_RGBA RAINBOW
+#pragma FEATURE_TOGGLES:
+
+
+//------------[ Inputs ]------------//
+layout (location = 0) in vec4 frag_color;
+
+
+//------------[ Outputs ]------------//
+layout (location = 0) out vec4 pixel_color;
+
+
+void main()
+{
+    pixel_color = frag_color;
+}