Improve GBA default settings

- apply LCD3x shader for all GBA emulators (credits: LatinWizard & X Leonhart)
- renaming emulator names, respecting case in the emu selector
- enable performance mode for VBA-M (which is a little slow)
- LCD3x shader for NGP too

Emus/GBA/config.json

@@ -1,8 +1,6 @@
 {
   "label": "N. GBA",
   "icon": "/mnt/SDCARD/Icons/Default/Emus/GBA.png",
-  "iconsmall": "ic-GBA-80-n.png",
-  "iconlist": "ic-GBA-32-n.png",
   "background": "/mnt/SDCARD/Backgrounds/Default/GBA.png",
   "themecolor": "FF00FF",
   "launch": "launch.sh",
@@ -14,19 +12,19 @@
   "extlist": "bin|gba|agb|gbz|zip|7z",
   "launchlist": [
     {
-      "name": "MGBA",
+      "name": "mGBA",
       "launch": "mgba.sh"
     },
     {
       "name": "gpSP",
       "launch": "gpsp.sh"
     },
     {
-      "name": "VBAM",
+      "name": "VBA-M",
       "launch": "vbam.sh"
     },
     {
-      "name": "VBANEXT",
+      "name": "VBA Next",
       "launch": "vbanext.sh"
     }
   ]

Emus/GBA/performance.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
+echo 1500000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq

Emus/GBA/vbam.sh

@@ -6,6 +6,7 @@ EMU_DIR=/mnt/SDCARD/Emus/GBA
 
 $EMU_DIR/cpufreq.sh
 
+$EMU_DIR/performance.sh
 
 cd $RA_DIR/
 

RetroArch/.retroarch/config/Beetle NeoPop/NGP.glslp

@@ -0,0 +1,8 @@
+shaders = "1"
+shader0 = "../../shaders/shaders_glsl/handheld/shaders/lcd3x.glsl"
+filter_linear0 = "false"
+wrap_mode0 = "clamp_to_border"
+mipmap_input0 = "false"
+alias0 = ""
+float_framebuffer0 = "false"
+srgb_framebuffer0 = "false"

RetroArch/.retroarch/config/VBA Next/GBA.glslp

@@ -0,0 +1,8 @@
+shaders = "1"
+shader0 = "../../shaders/shaders_glsl/handheld/shaders/lcd3x.glsl"
+filter_linear0 = "false"
+wrap_mode0 = "clamp_to_border"
+mipmap_input0 = "false"
+alias0 = ""
+float_framebuffer0 = "false"
+srgb_framebuffer0 = "false"

RetroArch/.retroarch/config/VBA-M/GBA.cfg

@@ -1,5 +1,6 @@
-input_overlay_enable = "true"
 input_overlay = "./.retroarch/overlay/GBA_max-ratio.cfg"
 video_scale_integer = "false"
+video_shader_enable = "true"
+input_overlay_enable = "true"
 video_scale_integer_overscale = "false"
 aspect_ratio_index = "22"

RetroArch/.retroarch/config/VBA-M/GBA.glslp

@@ -0,0 +1,8 @@
+shaders = "1"
+shader0 = "../../shaders/shaders_glsl/handheld/shaders/lcd3x.glsl"
+filter_linear0 = "false"
+wrap_mode0 = "clamp_to_border"
+mipmap_input0 = "false"
+alias0 = ""
+float_framebuffer0 = "false"
+srgb_framebuffer0 = "false"

RetroArch/.retroarch/config/VBA-M/VBA-M.opt

@@ -29,4 +29,4 @@ vbam_swap_astick = "disabled"
 vbam_tilt_sensitivity = "100"
 vbam_turbodelay = "3"
 vbam_turboenable = "enabled"
-vbam_usebios = "disabled"
+vbam_usebios = "enabled"

RetroArch/.retroarch/config/gpSP/GBA.glslp

@@ -0,0 +1,8 @@
+shaders = "1"
+shader0 = "../../shaders/shaders_glsl/handheld/shaders/lcd3x.glsl"
+filter_linear0 = "false"
+wrap_mode0 = "clamp_to_border"
+mipmap_input0 = "false"
+alias0 = ""
+float_framebuffer0 = "false"
+srgb_framebuffer0 = "false"

RetroArch/.retroarch/config/mGBA/GBA.glslp

@@ -1 +1,8 @@
-#reference ":/.retroarch/shaders/shaders_glsl/handheld/simpletex_lcd_720p.glslp"
+shaders = "1"
+shader0 = "../../shaders/shaders_glsl/handheld/shaders/lcd3x.glsl"
+filter_linear0 = "false"
+wrap_mode0 = "clamp_to_border"
+mipmap_input0 = "false"
+alias0 = ""
+float_framebuffer0 = "false"
+srgb_framebuffer0 = "false"

RetroArch/.retroarch/config/mGBA/mGBA.glslp

@@ -1,17 +1,8 @@
 shaders = "1"
-shader0 = "../../shaders/shaders_glsl/handheld/shaders/simpletex_lcd/simpletex_lcd_720p.glsl"
-filter_linear0 = "true"
+shader0 = "../../shaders/shaders_glsl/handheld/shaders/lcd3x.glsl"
+filter_linear0 = "false"
 wrap_mode0 = "clamp_to_border"
 mipmap_input0 = "false"
 alias0 = ""
 float_framebuffer0 = "false"
 srgb_framebuffer0 = "false"
-GRID_INTENSITY = "0.720000"
-GRID_WIDTH = "0.940000"
-GRID_BIAS = "0.800000"
-DARKEN_COLOUR = "1.399999"
-textures = "BACKGROUND"
-BACKGROUND = "../../shaders/shaders_glsl/handheld/shaders/simpletex_lcd/png/2k/textured_paper.png"
-BACKGROUND_linear = "false"
-BACKGROUND_wrap_mode = "clamp_to_border"
-BACKGROUND_mipmap = "false"