platform: Honor the LIBRETRO_VIDEO_SHADER_DIRECTORY environment varia…

…ble. * frontend/drivers/platform_unix.c (libretro_video_shader_directory): New variable. (frontend_unix_get_env): Set DEFAULT_DIR_SHADER to the value of the LIBRETRO_VIDEO_SHADER_DIRECTORY environment variable, if available. * frontend/drivers/platform_win32.c: Likewise.
libretro · Oct 2, 2024 · 97c87dc · 97c87dc
1 parent b63cf65
commit 97c87dc
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Showing 2 changed files with 17 additions and 5 deletions.
diff --git a/frontend/drivers/platform_unix.c b/frontend/drivers/platform_unix.c
@@ -1327,6 +1327,7 @@ static void frontend_unix_get_env(int *argc,
    const char* libretro_assets_directory = getenv("LIBRETRO_ASSETS_DIRECTORY");
    const char* libretro_autoconfig_directory = getenv("LIBRETRO_AUTOCONFIG_DIRECTORY");
    const char* libretro_video_filter_directory = getenv("LIBRETRO_VIDEO_FILTER_DIRECTORY");
+   const char* libretro_video_shader_directory = getenv("LIBRETRO_VIDEO_SHADER_DIRECTORY");
 #ifdef ANDROID
    int32_t major, minor, rel;
    char device_model[PROP_VALUE_MAX]  = {0};
@@ -1890,8 +1891,13 @@ static void frontend_unix_get_env(int *argc,
          "records", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT]));
    fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_DATABASE], base_path,
          "database/rdb", sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
-   fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SHADER], base_path,
-         "shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
+   if (!string_is_empty(libretro_video_shader_directory))
+       strlcpy(g_defaults.dirs[DEFAULT_DIR_SHADER],
+	       libretro_video_shader_directory,
+	       sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
+   else
+       fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SHADER], base_path,
+             "shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
    fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CHEATS], base_path,
          "cheats", sizeof(g_defaults.dirs[DEFAULT_DIR_CHEATS]));
    fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_OVERLAY], base_path,

diff --git a/frontend/drivers/platform_win32.c b/frontend/drivers/platform_win32.c
@@ -568,6 +568,7 @@ static void frontend_win32_env_get(int *argc, char *argv[],
    const char *libretro_assets_directory = getenv("LIBRETRO_ASSETS_DIRECTORY");
    const char* libretro_autoconfig_directory = getenv("LIBRETRO_AUTOCONFIG_DIRECTORY");
    const char* libretro_video_filter_directory = getenv("LIBRETRO_VIDEO_FILTER_DIRECTORY");
+   const char* libretro_video_shader_directory = getenv("LIBRETRO_VIDEO_SHADER_DIRECTORY");
    if (!string_is_empty(tmp_dir))
       fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CACHE],
          tmp_dir, sizeof(g_defaults.dirs[DEFAULT_DIR_CACHE]));
@@ -630,9 +631,14 @@ static void frontend_win32_env_get(int *argc, char *argv[],
 	      sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
    else
        fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG],
-            ":\\autoconfig", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
-   fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SHADER],
-      ":\\shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
+             ":\\autoconfig", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
+   if (!string_is_empty(libretro_video_filter_directory))
+      strlcpy(g_defaults.dirs[DEFAULT_DIR_SHADER],
+	      libretro_video_shader_directory,
+	      sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
+   else
+       fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SHADER],
+             ":\\shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
    fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS],
       ":\\downloads", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS]));
    fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SCREENSHOT],