From 9df2199349aedd363b565db069959f5ce8e9f35b Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 20 Jul 2024 10:54:54 +0100
Subject: Creating a program with no shaders is not valid

---
 gfx/gl/program.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gfx/gl/program.h b/gfx/gl/program.h
index 1a1c306..fa6dac9 100644
--- a/gfx/gl/program.h
+++ b/gfx/gl/program.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "shader.h"
+#include "shader.h" // IWYU pragma: export
 #include <glRef.h>
 #include <glad/gl.h>
 #include <glm/mat4x4.hpp>
@@ -12,6 +12,8 @@ using ProgramRef = glRef<GLuint, &glCreateProgram, &glDeleteProgram>;
 
 class Program {
 public:
+	Program() = delete;
+
 	template<typename... S> explicit Program(const S &... srcs)
 	{
 		(glAttachShader(m_program, srcs.compile()), ...);
-- 
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