From 6e7f2a54012425d8162d2b983c6e537ae756ebf0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Fri, 18 Feb 2022 18:35:05 +0100
Subject: [PATCH] GL: don't use std::fill_n().

This used to somehow get dragged along with <string> on all platforms we
tested on, but once we get rid of <string> we'd have to include
<algorithm> instead. Not acceptable, also it's much shorter and less
error-prone this way.
---
 src/Magnum/GL/Implementation/BufferState.cpp  | 3 +--
 src/Magnum/GL/Implementation/TextureState.cpp | 6 ++++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/Magnum/GL/Implementation/BufferState.cpp b/src/Magnum/GL/Implementation/BufferState.cpp
index 1292fe40e..f71a53769 100644
--- a/src/Magnum/GL/Implementation/BufferState.cpp
+++ b/src/Magnum/GL/Implementation/BufferState.cpp
@@ -209,8 +209,7 @@ BufferState::BufferState(Context& context, Containers::StaticArrayView<Implement
 }
 
 void BufferState::reset() {
-    /* libc++ complains about decrementing enum value otherwise */
-    std::fill_n(bindings, std::size_t{TargetCount}, State::DisengagedBinding);
+    for(GLuint& i: bindings) i = State::DisengagedBinding;
 }
 
 }}}
diff --git a/src/Magnum/GL/Implementation/TextureState.cpp b/src/Magnum/GL/Implementation/TextureState.cpp
index a94884eec..9d031597e 100644
--- a/src/Magnum/GL/Implementation/TextureState.cpp
+++ b/src/Magnum/GL/Implementation/TextureState.cpp
@@ -548,9 +548,11 @@ TextureState::TextureState(Context& context,
 }
 
 void TextureState::reset() {
-    std::fill_n(bindings.begin(), bindings.size(), std::pair<GLenum, GLuint>{{}, State::DisengagedBinding});
+    for(std::pair<GLenum, GLuint>& i: bindings)
+        i = {{}, State::DisengagedBinding};
     #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
-    std::fill_n(imageBindings.begin(), imageBindings.size(), std::tuple<GLuint, GLint, GLboolean, GLint, GLenum>{State::DisengagedBinding, 0, false, 0, 0});
+    for(std::tuple<GLuint, GLint, GLboolean, GLint, GLenum>& i: imageBindings)
+        i = {State::DisengagedBinding, 0, false, 0, 0};
     #endif
 }