Fix tutorial build and a few compilation warnings.

doc/tutorial/13_shader_builder.cpp

@@ -2,7 +2,7 @@
 //  Lol Engine — Shader builder tutorial
 //
 //  Copyright © 2002—2015 Benjamin “Touky” Huet <huet.benjamin@gmail.com>
-//            © 2012—2018 Sam Hocevar <sam@hocevar.net>
+//            © 2012—2019 Sam Hocevar <sam@hocevar.net>
 //
 //  Lol Engine is free software. It comes without any warranty, to
 //  the extent permitted by applicable law. You can redistribute it
@@ -108,7 +108,7 @@ public:
             << green_pixel
             << blue_pixel;
 
-        builder.Build(code);
+        code = builder.Build();
 
         file.Write(code);
         //code = file.ReadString();

src/lol/math/half.h

@@ -1,11 +1,13 @@
 //
-// Lol Engine
+//  Lol Engine
 //
-// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
-//   This program is free software; you can redistribute it and/or
-//   modify it under the terms of the Do What The Fuck You Want To
-//   Public License, Version 2, as published by Sam Hocevar. See
-//   http://www.wtfpl.net/ for more details.
+//  Copyright © 2010—2019 Sam Hocevar <sam@hocevar.net>
+//
+//  Lol Engine is free software. It comes without any warranty, to
+//  the extent permitted by applicable law. You can redistribute it
+//  and/or modify it under the terms of the Do What the Fuck You Want
+//  to Public License, Version 2, as published by the WTFPL Task Force.
+//  See http://www.wtfpl.net/ for more details.
 //
 
 #pragma once
@@ -81,8 +83,8 @@ public:
     LOL_ATTR_NODISCARD inline operator ldouble() const { return (float)(*this); }
 
     /* Array conversions */
-    LOL_ATTR_NODISCARD static size_t convert(half *dst, float const *src, size_t nelem);
-    LOL_ATTR_NODISCARD static size_t convert(float *dst, half const *src, size_t nelem);
+    static void convert(half *dst, float const *src, size_t nelem);
+    static void convert(float *dst, half const *src, size_t nelem);
 
     /* Operations */
     LOL_ATTR_NODISCARD bool operator ==(half x) const { return (float)*this == (float)x; }

src/math/half.cpp

@@ -1,11 +1,13 @@
 //
-// Lol Engine
+//  Lol Engine
 //
-// Copyright: (c) 2010-2013 Sam Hocevar <sam@hocevar.net>
-//   This program is free software; you can redistribute it and/or
-//   modify it under the terms of the Do What The Fuck You Want To
-//   Public License, Version 2, as published by Sam Hocevar. See
-//   http://www.wtfpl.net/ for more details.
+//  Copyright © 2010—2019 Sam Hocevar <sam@hocevar.net>
+//
+//  Lol Engine is free software. It comes without any warranty, to
+//  the extent permitted by applicable law. You can redistribute it
+//  and/or modify it under the terms of the Do What the Fuck You Want
+//  to Public License, Version 2, as published by the WTFPL Task Force.
+//  See http://www.wtfpl.net/ for more details.
 //
 
 #include <lol/engine-internal.h>
@@ -219,7 +221,7 @@ half::operator float() const
     return u.f;
 }
 
-size_t half::convert(half *dst, float const *src, size_t nelem)
+void half::convert(half *dst, float const *src, size_t nelem)
 {
     for (size_t i = 0; i < nelem; i++)
     {
@@ -227,11 +229,9 @@ size_t half::convert(half *dst, float const *src, size_t nelem)
         u.f = *src++;
         *dst++ = makebits(float_to_half_nobranch(u.x));
     }
-
-    return nelem;
 }
 
-size_t half::convert(float *dst, half const *src, size_t nelem)
+void half::convert(float *dst, half const *src, size_t nelem)
 {
     for (size_t i = 0; i < nelem; i++)
     {
@@ -242,8 +242,6 @@ size_t half::convert(float *dst, half const *src, size_t nelem)
         u.x = half_to_float_nobranch((*src++).bits);
         *dst++ = u.f;
     }
-
-    return nelem;
 }
 
 } /* namespace lol */