Standardized the header section of the GLSL files and shell scripts.

resources/shaders/glsl/blur_horizontal.glsl

@@ -1,10 +1,10 @@
 //
-// Implementation based on the article "Efficient Gaussian blur with linear sampling"
+//  Implementation based on the article "Efficient Gaussian blur with linear sampling"
-// http://rastergrid.com/blog/2010/09/efficient-gaussian-blur-with-linear-sampling/
+//  http://rastergrid.com/blog/2010/09/efficient-gaussian-blur-with-linear-sampling/
-// A version for MasterEffect Reborn, a standalone version, and a custom shader version for SweetFX
+//  A version for MasterEffect Reborn, a standalone version, and a custom shader version for SweetFX
-// can be found at http://reshade.me/forum/shader-presentation/27-gaussian-blur-bloom-unsharpmask
+//  can be found at http://reshade.me/forum/shader-presentation/27-gaussian-blur-bloom-unsharpmask
 //
-// Borrowed from the RetroArch project and modified for ES-DE by Leon Styhre.
+//  Taken from the RetroArch project and modified for ES-DE.
 //
 
 #define HW 1.00

resources/shaders/glsl/blur_vertical.glsl

@@ -1,10 +1,10 @@
 //
-// Implementation based on the article "Efficient Gaussian blur with linear sampling"
+//  Implementation based on the article "Efficient Gaussian blur with linear sampling"
-// http://rastergrid.com/blog/2010/09/efficient-gaussian-blur-with-linear-sampling/
+//  http://rastergrid.com/blog/2010/09/efficient-gaussian-blur-with-linear-sampling/
-// A version for MasterEffect Reborn, a standalone version, and a custom shader version for SweetFX
+//  A version for MasterEffect Reborn, a standalone version, and a custom shader version for SweetFX
-// can be found at http://reshade.me/forum/shader-presentation/27-gaussian-blur-bloom-unsharpmask
+//  can be found at http://reshade.me/forum/shader-presentation/27-gaussian-blur-bloom-unsharpmask
 //
-// Borrowed from the RetroArch project and modified for ES-DE by Leon Styhre.
+//  Taken from the RetroArch project and modified for ES-DE.
 //
 
 #define VW 1.00

resources/shaders/glsl/desaturate.glsl

@@ -1,9 +1,11 @@
+//  SPDX-License-Identifier: MIT
 //
-// desaturate.glsl
+//  EmulationStation Desktop Edition
+//  desaturate.glsl
 //
-// Desaturates textures.
+//  Desaturates textures.
-// The uniform variable 'saturation' sets the saturation intensity.
+//  The uniform variable 'saturation' sets the saturation intensity.
-// Setting this to the value 0 results in complete desaturation (grayscale).
+//  Setting this to the value 0 results in complete desaturation (grayscale).
 //
 
 #if defined(VERTEX)

resources/shaders/glsl/dim.glsl

@@ -1,9 +1,11 @@
+//  SPDX-License-Identifier: MIT
 //
-// dim.glsl
+//  EmulationStation Desktop Edition
+//  dim.glsl
 //
-// Dims textures.
+//  Dims textures.
-// The uniform variable 'dimValue' sets the amount of dimming.
+//  The uniform variable 'dimValue' sets the amount of dimming.
-// Setting this to the value 0 results in a completely black screen.
+//  Setting this to the value 0 results in a completely black screen.
 //
 
 #if defined(VERTEX)

resources/shaders/glsl/opacity.glsl

@@ -1,9 +1,11 @@
+//  SPDX-License-Identifier: MIT
 //
-// opacity.glsl
+//  EmulationStation Desktop Edition
+//  opacity.glsl
 //
-// Changes the opacity of textures.
+//  Changes the opacity of textures.
-// The uniform variable 'opacity' sets the opacity.
+//  The uniform variable 'opacity' sets the opacity.
-// Setting this to the value 0 results in an invisible texture.
+//  Setting this to the value 0 results in an invisible texture.
 //
 
 #if defined(VERTEX)

resources/shaders/glsl/scanlines.glsl

@@ -3,21 +3,21 @@
 //
 //  Ported by Hyllian.
 //
-// This program is free software; you can redistribute it and/or
+//  This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
+//  modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
+//  as published by the Free Software Foundation; either version 2
-// of the License, or (at your option) any later version.
+//  of the License, or (at your option) any later version.
 //
-// This program is distributed in the hope that it will be useful,
+//  This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
+//  GNU General Public License for more details.
 //
-// You should have received a copy of the GNU General Public License
+//  You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
+//  along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 //
-// Borrowed from the RetroArch project and modified for ES-DE by Leon Styhre.
+//  Taken from the RetroArch project and modified for ES-DE.
 //
 
 #if defined(VERTEX)
@@ -138,7 +138,6 @@ void main()
     vec2 texture_coords = pixel_center * SourceSize.zw;
 
     vec4 color = TEX2D(texture_coords);
-
     float dx = coords.x - pixel_center.x;
 
     float h_weight_00 = dx / SPOT_WIDTH;

tools/generate_man_page.sh

@@ -1,17 +1,16 @@
 #!/usr/bin/bash
+#  SPDX-License-Identifier: MIT
 #
-# generate_man_page.sh
+#  EmulationStation Desktop Edition
-# Generate a Unix manual page for EmulationStation Desktop Edition.
+#  generate_man_page.sh
 #
-# The script takes no arguments and replaces the man page file es-app/assets/emulationstation.6.gz
+#  Generates the Unix manual page.
-# It has to be run from within the tools directory.
+#  The script takes no arguments and replaces the man page file es-app/assets/emulationstation.6.gz
+#  It has to be run from within the tools directory.
 #
-# The command help2man must be installed, or the script will fail.
+#  The command help2man must be installed, or the script will fail.
 #
-# This script is intended to only be used on Linux systems.
+#  This script is only intended to be used on Linux systems.
-#
-# Leon Styhre
-# 2020-07-16
 #
 
 if [ ! -f ../es-app/CMakeLists.txt ]; then

tools/macOS_change_dylib_rpaths.sh

@@ -1,14 +1,13 @@
 #!/bin/sh
+#  SPDX-License-Identifier: MIT
 #
-# macOS_change_dylib_rpaths.sh
+#  EmulationStation Desktop Edition
-# Update the dylib paths to use rpaths instead of absolute paths.
+#  macOS_change_dylib_rpaths.sh
 #
-# This script does not do much error checking so the results should be verified manually
+#  Updates the dylib paths to use rpaths instead of absolute paths.
-# afterwards using the "otool -L" command.
+#  This script does not do much error checking so the results should be verified manually
-# Changes are needed to this script when moving to a new version for any of the libraries.
+#  afterwards using the "otool -L" command.
-#
+#  Changes are needed to this script when moving to a new version for any of the libraries.
-# Leon Styhre
-# 2021-05-13
 #
 
 export FREETYPE_FILENAME=libfreetype.6.dylib

tools/mame_create_index_files.sh

@@ -1,24 +1,22 @@
 #!/usr/bin/bash
+#  SPDX-License-Identifier: MIT
 #
-# mame_create_index_files.sh
+#  EmulationStation Desktop Edition
-# EmulationStation MAME index files creation.
+#  mame_create_index_files.sh
 #
-# As input, this script takes the MAME driver information XML file from the official
+#  As input, this script takes the MAME driver information XML file from the official
-# MAME release and generates the files mamebioses.xml, mamedevices.xml and mamenames.xml.
+#  MAME release and generates the files mamebioses.xml, mamedevices.xml and mamenames.xml.
 #
-# There is not much error checking going on here, this script is not intended to be
+#  There is not much error checking going on here, this script is not intended to be run
-# used by the end user.
+#  by the end user.
 #
-# xmlstarlet must be installed or this script will fail.
+#  xmlstarlet must be installed or this script will fail.
 #
-# Download the driver file from here:
+#  Download the driver file from here:
-# https://www.mamedev.org/release.php
+#  https://www.mamedev.org/release.php
-# It's enough to download the driver information, not the complete emulator.
+#  It's enough to download the driver information, not the complete emulator.
 #
-# This script is intended to only be used on Linux systems.
+#  This script is only intended to be used on Linux systems.
-#
-# Leon Styhre
-# 2020-06-16
 #
 
 if [ $# -ne 1 ]; then

tools/mame_merge_index_files.sh

@@ -1,20 +1,18 @@
 #!/usr/bin/bash
+#  SPDX-License-Identifier: MIT
 #
-# mame_merge_index_files.sh
+#  EmulationStation Desktop Edition
-# EmulationStation MAME ROM index files merging.
+#  mame_merge_index_files.sh
 #
-# This script merges older ROM index files with newly generated ones.
+#  This script merges older ROM index files with newly generated ones.
-# As the MAME project drops and renames ROM files from time to time, we need to
+#  As the MAME project drops and renames ROM files from time to time, we need to
-# include the old ROM names as well even if not supported by the newest MAME version.
+#  include the old ROM names as well even if not supported by the newest MAME version.
-# The user may very well run an older MAME version and may therefore have an old ROM set.
+#  The user may very well run an older MAME version and may therefore have an old ROM set.
 #
-# There is not much error checking going on here, this script is not intended to be
+#  There is not much error checking going on here, this script is not intended to be run
-# used by the end user.
+#  by the end user.
 #
-# This script is intended to only be used on Linux systems.
+#  This script is only intended to be used on Linux systems.
-#
-# Leon Styhre
-# 2020-06-16
 #
 
 if [ $# -ne 3 ]; then

tools/update_theme_formatversion.sh

@@ -1,12 +1,12 @@
 #!/usr/bin/bash
+#  SPDX-License-Identifier: MIT
 #
-# update_theme_formatversion.sh
+#  EmulationStation Desktop Edition
-# Update the format version of all the XML files in a theme set.
+#  update_theme_formatversion.sh
 #
-# This script is intended to only be used on Linux systems.
+#  Updates the format version of all the XML files in a theme set.
 #
-# Leon Styhre
+#  This script is only intended to be used on Linux systems.
-# 2020-06-22
 #
 
 if [ $# -ne 2 ]; then

tools/update_version_string.sh

@@ -1,25 +1,25 @@
 #!/usr/bin/bash
+#  SPDX-License-Identifier: MIT
 #
-# update_version_string.sh
+#  EmulationStation Desktop Edition
-# Updates the version string for EmulationStation Desktop Edition.
+#  update_version_string.sh
 #
-# This script takes as arguments the major, minor and patch numbers as well as an optional
+#  Updates the version string for EmulationStation Desktop Edition.
-# alphanumeric suffix and updates all the necessary files to indicate a new software version.
+#  This script takes as arguments the major, minor and patch numbers as well as an optional
-# The script has to be run from within the tools directory.
+#  alphanumeric suffix and updates all the necessary files to indicate a new software version.
+#  The script has to be run from within the tools directory.
 #
-# Example use:
+#  Example use:
-# ./update_version_string.sh 1 0 0 beta1
+#  ./update_version_string.sh 1 0 0 beta1
 #
-# The following files are updated by this script:
+#  The following files are updated by this script:
-# es-app/CMakeLists.txt
+#  es-app/CMakeLists.txt
-# es-app/src/EmulationStation.h
+#  es-app/src/EmulationStation.h
-# es-app/assets/EmulationStation-DE_Info.plist
+#  es-app/assets/EmulationStation-DE_Info.plist
-# es-app/assets/emulationstation.desktop
+#  es-app/assets/emulationstation.desktop
 #
-# This script is intended to only be used on Linux systems.
+#  This script is only intended to be used on Linux systems.
 #
-# Leon Styhre
-# 2020-12-30
 #
 
 if [ ! -f ../es-app/CMakeLists.txt ]; then