Shader compilation, uniforms, vertex buffers and notes.

site_scons/site_tools/glslang.py

@@ -0,0 +1,12 @@
+
+from SCons.Script import *
+
+def exists(env: Environment) -> bool:
+    return True
+
+def generate(env : Environment):
+    glslang_spv_builder = Builder(
+        action = '$GLSLANG -V -o $TARGET $SOURCE'
+    )
+    env['GLSLANG'] = 'glslang'
+    env.Append(BUILDERS={'SpirV': glslang_spv_builder})