From e86742b03ca50a0aa7eed17c39c435d9b0192fc9 Mon Sep 17 00:00:00 2001
From: icex2 <djh.icex2@gmail.com>
Date: Fri, 19 Mar 2021 23:43:10 +0100
Subject: [PATCH] hook/nx2: Add option to enable gfx scaling

---
 dist/conf/nx2hook.conf      |  3 +++
 src/main/hook/nx2/main.c    |  4 ++++
 src/main/hook/nx2/options.c | 10 ++++++++++
 src/main/hook/nx2/options.h |  4 ++++
 4 files changed, 21 insertions(+)

diff --git a/dist/conf/nx2hook.conf b/dist/conf/nx2hook.conf
index 84d6404..f23dbaa 100644
--- a/dist/conf/nx2hook.conf
+++ b/dist/conf/nx2hook.conf
@@ -1,6 +1,9 @@
 # [str]: Path to game settings (SETTINGS) folder
 game.settings=./save
 
+# Set a scaling mode for the rendered output. Available modes: 0 = disabled, 1 = SD 480 to pillarbox HD 720, 2 = SD 480 to pillarbox HD 1080, 3 = SD 480 to SD 960, 4 = HD 720 to HD 1080
+gfx.scaling_mode=0
+
 # [bool (0/1)]: Enable file call monitoring
 patch.hook_mon.file=0
 
diff --git a/src/main/hook/nx2/main.c b/src/main/hook/nx2/main.c
index 72b5438..a8ab357 100644
--- a/src/main/hook/nx2/main.c
+++ b/src/main/hook/nx2/main.c
@@ -196,6 +196,10 @@ static void nx2hook_patch_gfx_init(struct nx2hook_options *options)
   log_assert(options);
 
   patch_gfx_init();
+
+  if (options->patch.gfx.scaling_mode != PATCH_GFX_SCALE_MODE_INVALID) {
+    patch_gfx_scale(options->patch.gfx.scaling_mode);
+  }
 }
 
 static void nx2hook_patch_main_loop_init(struct nx2hook_options *options)
diff --git a/src/main/hook/nx2/options.c b/src/main/hook/nx2/options.c
index cacc4eb..e76b223 100644
--- a/src/main/hook/nx2/options.c
+++ b/src/main/hook/nx2/options.c
@@ -3,6 +3,7 @@
 #include "util/options.h"
 
 #define NX2HOOK_OPTIONS_STR_GAME_SETTINGS "game.settings"
+#define NX2HOOK_OPTIONS_STR_PATCH_GFX_SCALING_MODE "gfx.scaling_mode"
 #define NX2HOOK_OPTIONS_STR_PATCH_HOOK_MON_FILE "patch.hook_mon.file"
 #define NX2HOOK_OPTIONS_STR_PATCH_HOOK_MON_FS "patch.hook_mon.fs"
 #define NX2HOOK_OPTIONS_STR_PATCH_HOOK_MON_IO "patch.hook_mon.io"
@@ -36,6 +37,13 @@ const struct util_options_def nx2hook_options_def[] = {
         .type = UTIL_OPTIONS_TYPE_STR,
         .default_value.str = "./save",
     },
+    {
+        .name = NX2HOOK_OPTIONS_STR_PATCH_GFX_SCALING_MODE,
+        .description = "Set a scaling mode for the rendered output. Available modes: 0 = disabled, 1 = SD 480 to pillarbox HD 720, 2 = SD 480 to pillarbox HD 1080, 3 = SD 480 to SD 960, 4 = HD 720 to HD 1080",
+        .param = 'z',
+        .type = UTIL_OPTIONS_TYPE_INT,
+        .default_value.i = 0,
+    },
     {
         .name = NX2HOOK_OPTIONS_STR_PATCH_HOOK_MON_FILE,
         .description = "Enable file call monitoring",
@@ -191,6 +199,8 @@ bool nx2hook_options_init(
 
   options->game.settings =
       util_options_get_str(options_opt, NX2HOOK_OPTIONS_STR_GAME_SETTINGS);
+  options->patch.gfx.scaling_mode = util_options_get_int(
+      options_opt, NX2HOOK_OPTIONS_STR_PATCH_GFX_SCALING_MODE);
   options->patch.hook_mon.file = util_options_get_bool(
       options_opt, NX2HOOK_OPTIONS_STR_PATCH_HOOK_MON_FILE);
   options->patch.hook_mon.fs =
diff --git a/src/main/hook/nx2/options.h b/src/main/hook/nx2/options.h
index 85c7b0b..7fd7b50 100644
--- a/src/main/hook/nx2/options.h
+++ b/src/main/hook/nx2/options.h
@@ -12,6 +12,10 @@ struct nx2hook_options {
   } game;
 
   struct patch {
+    struct gfx {
+      uint8_t scaling_mode;
+    } gfx;
+
     struct hook_mon {
       bool file;
       bool fs;