Cleanup: License headers, spacing, naming

Rename vnorm to fnorm (fragment normal).
Change shader license headers to C++ style comments.
Fix spacing for PI define in faqe.c.
Add missing license headers.

11 files changed, 45 insertions, 9 deletions

diff --git a/ensize.c b/ensize.c
index 82835a7..7bcf496 100644
--- a/ensize.c
+++ b/ensize.c
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #include <assert.h>
 
 #include "ensize.h"
diff --git a/ensize.h b/ensize.h
index 6837294..cde84a4 100644
--- a/ensize.h
+++ b/ensize.h
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #ifndef ENSIZE_H
 #define ENSIZE_H
 
diff --git a/faqe.c b/faqe.c
index c13b4dc..1983464 100644
--- a/faqe.c
+++ b/faqe.c
@@ -18,7 +18,7 @@ enum {
 	HEIGHT = 600,
 };
 
-# define PI 3.14159265358979323846
+#define PI 3.14159265358979323846
 #define FOV (PI * 0.5)
 
 void viewport(GLuint proj, int width, int height)
diff --git a/frag.glsl b/frag.glsl
index 5aa26d8..ff88e1f 100644
--- a/frag.glsl
+++ b/frag.glsl
@@ -1,8 +1,10 @@
-// Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
-// SPDX-License-Identifier: MIT
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #version 330 core
 out vec4 color;
-in vec3 vnorm;
+in vec3 fnorm;
 in vec3 fpos;
 in vec2 fuv;
 in vec3 lipos;
@@ -16,7 +18,7 @@ void main()
 
 	float amb = 0.1;
 
-	vec3 norm = normalize(vnorm);
+	vec3 norm = normalize(fnorm);
 	vec3 lidir = normalize(lipos - fpos);
 	float dif = max(dot(norm, lidir), 0.0);
 
diff --git a/ieee754.c b/ieee754.c
index 3b21351..7995bd8 100644
--- a/ieee754.c
+++ b/ieee754.c
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #include <assert.h>
 #include <math.h>
 #include <stdbool.h>
diff --git a/ieee754.h b/ieee754.h
index 58f886d..368c2d2 100644
--- a/ieee754.h
+++ b/ieee754.h
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #ifndef IEEE754_H
 #define IEEE754_H
 
diff --git a/mtl.c b/mtl.c
index 7f53fa2..42e5de2 100644
--- a/mtl.c
+++ b/mtl.c
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #include <assert.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/mtl.h b/mtl.h
index 7c427c1..00a1b70 100644
--- a/mtl.h
+++ b/mtl.h
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #ifndef MTL_H
 #define MTL_H
 
diff --git a/test_ieee754.c b/test_ieee754.c
index 44873c9..85a1c95 100644
--- a/test_ieee754.c
+++ b/test_ieee754.c
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #include <math.h>
 #include <stdint.h>
 #include <stdio.h>
diff --git a/tex.c b/tex.c
index 6f27b8a..81e6d05 100644
--- a/tex.c
+++ b/tex.c
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #include <assert.h>
 #include <png.h>
 #include <stdlib.h>
diff --git a/vert.glsl b/vert.glsl
index 906408e..9fea064 100644
--- a/vert.glsl
+++ b/vert.glsl
@@ -1,11 +1,13 @@
-// Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
-// SPDX-License-Identifier: MIT
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #version 330 core
 layout (location = 0) in vec3 pos;
 layout (location = 1) in vec3 norm;
 layout (location = 2) in vec2 uv;
 
-out vec3 vnorm;
+out vec3 fnorm;
 out vec3 fpos;
 out vec2 fuv;
 out vec3 lipos;
@@ -22,6 +24,6 @@ void main()
 	fpos = vec3(view * model * vec4(pos, 1.0));
 	fuv = uv;
 	// TODO: Try to work out how to only do this ONCE in C or see if it matters
-	vnorm = mat3(transpose(inverse(view * model))) * norm;
+	fnorm = mat3(transpose(inverse(view * model))) * norm;
 	lipos = vec3(view * vec4(light, 1.0));
 }