add dsp and optional game page

[vg.git] / vg_audio.h

diff --git a/vg_audio.h b/vg_audio.h
index 5df5638b0b1660a474df3b450e27b6735e03181f..59ad0574e88acf1ade05b94a422291375812a20f 100644 (file)
--- a/vg_audio.h
+++ b/vg_audio.h
@@ -193,7 +193,7 @@ struct vg_audio_system{
    }
    channels[ AUDIO_CHANNELS ];
 
-   int               debug_ui, debug_ui_3d, debug_dsp;
+   int               debug_ui, debug_ui_3d, debug_dsp, dsp_enabled;
 
    v3f               internal_listener_pos,
                      internal_listener_ears,
@@ -206,7 +206,7 @@ struct vg_audio_system{
    float             internal_global_volume,
                      external_global_volume;
 }
-static vg_audio = { .external_global_volume = 1.0f };
+static vg_audio = { .external_global_volume = 1.0f, .dsp_enabled = 1 };
 
 #include "vg/vg_audio_dsp.h"
 
@@ -307,6 +307,8 @@ static void vg_audio_register(void){
                         k_var_dtype_f32, VG_VAR_PERSISTENT );
    vg_console_reg_var( "vg_audio_device", &vg_audio.device_choice,
                         k_var_dtype_str, VG_VAR_PERSISTENT );
+   vg_console_reg_var( "vg_dsp", &vg_audio.dsp_enabled,
+                        k_var_dtype_i32, VG_VAR_PERSISTENT );
 }
 
 static void vg_audio_init(void){
@@ -978,12 +980,12 @@ static void audio_channel_mix( audio_channel *ch, float *buffer )
    vg_profile_end( &_vg_prof_audio_mix );
 }
 
-static void audio_mixer_callback( void *user, u8 *stream, int byte_count )
-{
+static void audio_mixer_callback( void *user, u8 *stream, int byte_count ){
    /*
     * Copy data and move edit flags to commit flags
     * ------------------------------------------------------------- */
    audio_lock();
+   int use_dsp = vg_audio.dsp_enabled;
    
    v3_copy( vg_audio.external_listener_pos, vg_audio.internal_listener_pos );
    v3_copy( vg_audio.external_listener_ears, vg_audio.internal_listener_ears );
@@ -1163,12 +1165,12 @@ static void audio_mixer_callback( void *user, u8 *stream, int byte_count )
       }
    }
 
-   vg_profile_begin( &_vg_prof_dsp );
-
-   for( int i=0; i<frame_count; i++ )
-      vg_dsp_process( pOut32F + i*2, pOut32F + i*2 );
-
-   vg_profile_end( &_vg_prof_dsp );
+   if( use_dsp ){
+      vg_profile_begin( &_vg_prof_dsp );
+      for( int i=0; i<frame_count; i++ )
+         vg_dsp_process( pOut32F + i*2, pOut32F + i*2 );
+      vg_profile_end( &_vg_prof_dsp );
+   }
 
    audio_lock();