should get default Cg path...

config.h.def

@@ -65,7 +65,6 @@ static const bool video_smooth = true;
 
 // Path to custom Cg shader. If using custom shaders, it is recommended to disable video_smooth.
 #ifdef HAVE_CG
-extern char cg_shader_path[];
 #define DEFAULT_CG_SHADER "hqflt/cg/quad.cg"
 #endif
 

gfx/gl.c

@@ -409,8 +409,8 @@ static void* gl_init(video_info_t *video, const input_driver_t **input)
    }
    cgGLSetOptimalOptions(gl->cgFProf);
    cgGLSetOptimalOptions(gl->cgVProf);
-   gl->cgFPrg = cgCreateProgramFromFile(gl->cgCtx, CG_SOURCE, cg_shader_path, gl->cgFProf, "main_fragment", 0);
+   gl->cgFPrg = cgCreateProgramFromFile(gl->cgCtx, CG_SOURCE, g_settings.video.cg_shader_path, gl->cgFProf, "main_fragment", 0);
-   gl->cgVPrg = cgCreateProgramFromFile(gl->cgCtx, CG_SOURCE, cg_shader_path, gl->cgVProf, "main_vertex", 0);
+   gl->cgVPrg = cgCreateProgramFromFile(gl->cgCtx, CG_SOURCE, g_settings.video.cg_shader_path, gl->cgVProf, "main_vertex", 0);
    if (gl->cgFPrg == NULL || gl->cgVPrg == NULL)
    {
       CGerror err = cgGetError();

settings.c

@@ -57,7 +57,7 @@ static void set_defaults(void)
    g_settings.video.smooth = video_smooth;
    g_settings.video.force_aspect = force_aspect;
 #if HAVE_CG
-   strncpy(g_settings.video.cg_shader_path, cg_shader_path, sizeof(g_settings.video.cg_shader_path) - 1);
+   strncpy(g_settings.video.cg_shader_path, DEFAULT_CG_SHADER, sizeof(g_settings.video.cg_shader_path) - 1);
 #endif
    strncpy(g_settings.video.video_filter, "foo", sizeof(g_settings.video.video_filter) - 1);
 
@@ -78,6 +78,7 @@ static void set_defaults(void)
    g_settings.input.save_state_key = SAVE_STATE_KEY;
    g_settings.input.load_state_key = LOAD_STATE_KEY;
    g_settings.input.toggle_fullscreen_key = TOGGLE_FULLSCREEN;
+   g_settings.input.axis_threshold = AXIS_THRESHOLD;
 }
 
 void parse_config(void)
@@ -149,6 +150,10 @@ void parse_config(void)
       free(tmp_str);
    }
 
+   // Input Settings.
+   if (config_get_double(conf, "input_axis_threshold", &tmp_double))
+      g_settings.input.axis_threshold = tmp_double;
+
    // Audio settings.
    if (config_get_bool(conf, "audio_enable", &tmp_bool))
       g_settings.audio.enable = tmp_bool;
@@ -191,6 +196,12 @@ void parse_config(void)
       free(tmp_str);
    }
 
+   if (config_get_string(conf, "video_cg_shader_path", &tmp_str))
+   {
+      strncpy(g_settings.video.cg_shader_path, tmp_str, sizeof(g_settings.video.cg_shader_path) - 1);
+      free(tmp_str);
+   }
+
    // TODO: Keybinds.
 
    config_file_free(conf);

ssnes.c

@@ -35,9 +35,6 @@
 struct global g_extern = {
    .video_active = true,
    .audio_active = true,
-#if HAVE_CG
-   .cg_shader_path = DEFAULT_CG_SHADER
-#endif
 };
 
 // To avoid continous switching if we hold the button down, we require that the button must go from pressed, unpressed back to pressed to be able to toggle between then.
@@ -202,6 +199,7 @@ static void print_help(void)
    puts("Usage: ssnes [rom file] [-h/--help | -s/--save]");
    puts("\t-h/--help: Show this help message");
    puts("\t-s/--save: Path for save file (*.srm). Required when rom is input from stdin");
+   puts("\t-c/--config: Path for config file. Defaults to $XDG_CONFIG_HOME/ssnes");
 #ifdef HAVE_CG
    puts("\t-f/--shader: Path to Cg shader. Will be compiled at runtime.\n");
 #endif
@@ -220,6 +218,7 @@ static void parse_input(int argc, char *argv[])
       { "help", 0, NULL, 'h' },
       { "save", 1, NULL, 's' },
       { "verbose", 0, NULL, 'v' },
+      { "config", 0, NULL, 'c' },
 #ifdef HAVE_CG
       { "shader", 1, NULL, 'f' },
 #endif
@@ -228,9 +227,9 @@ static void parse_input(int argc, char *argv[])
 
    int option_index = 0;
 #ifdef HAVE_CG
-   char optstring[] = "hs:vf:";
+   char optstring[] = "hs:vf:c:";
 #else
-   char optstring[] = "hs:v";
+   char optstring[] = "hs:vc:";
 #endif
    for(;;)
    {
@@ -260,6 +259,10 @@ static void parse_input(int argc, char *argv[])
             g_extern.verbose = true;
             break;
 
+         case 'c':
+            strncpy(g_extern.config_path, optarg, sizeof(g_extern.config_path) - 1);
+            break;
+
          case '?':
             print_help();
             exit(1);
@@ -304,8 +307,8 @@ static void parse_input(int argc, char *argv[])
 int main(int argc, char *argv[])
 {
    snes_init();
-   parse_input(argc, argv);
    parse_config();
+   parse_input(argc, argv);
 
    void *rom_buf;
    ssize_t rom_len = 0;