Allows disabling rgb effects in userspace (#4422)

* Allows disabling animations in user space

* Describe disabling effects in the docs

* Allows disabling individual reactive modes

* Adds the list ode defines

3 files changed, 173 insertions, 65 deletions

diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md
index 809d034bdc..0af1e49479 100644
--- a/docs/feature_rgb_matrix.md
+++ b/docs/feature_rgb_matrix.md
@@ -150,6 +150,30 @@ These are the effects that are currently available:
 	#endif
 	    RGB_MATRIX_EFFECT_MAX
 	};
+    
+You can disable a single effect by defining `DISABLE_[EFFECT_NAME]` in your `config.h`:
+
+
+|Define                                             |Description                                 |
+|---------------------------------------------------|--------------------------------------------|
+|`#define DISABLE_RGB_MATRIX_ALPHAS_MODS`           |Disables `RGB_MATRIX_ALPHAS_MODS`           |
+|`#define DISABLE_RGB_MATRIX_DUAL_BEACON`           |Disables `RGB_MATRIX_DUAL_BEACON`           |
+|`#define DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN`      |Disables `RGB_MATRIX_GRADIENT_UP_DOWN`      |
+|`#define DISABLE_RGB_MATRIX_RAINDROPS`             |Disables `RGB_MATRIX_RAINDROPS`             |
+|`#define DISABLE_RGB_MATRIX_CYCLE_ALL`             |Disables `RGB_MATRIX_CYCLE_ALL`             |
+|`#define DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT`      |Disables `RGB_MATRIX_CYCLE_LEFT_RIGHT`      |
+|`#define DISABLE_RGB_MATRIX_CYCLE_UP_DOWN`         |Disables `RGB_MATRIX_CYCLE_UP_DOWN`         |
+|`#define DISABLE_RGB_MATRIX_RAINBOW_BEACON`        |Disables `RGB_MATRIX_RAINBOW_BEACON`        |
+|`#define DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS`     |Disables `RGB_MATRIX_RAINBOW_PINWHEELS`     |
+|`#define DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON`|Disables `RGB_MATRIX_RAINBOW_MOVING_CHEVRON`|
+|`#define DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS`   |Disables `RGB_MATRIX_JELLYBEAN_RAINDROPS`   |
+|`#define DISABLE_RGB_MATRIX_DIGITAL_RAIN`          |Disables `RGB_MATRIX_DIGITAL_RAIN`          |
+|`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE`        |Disables `RGB_MATRIX_SOLID_REACTIVE`        |
+|`#define DISABLE_RGB_MATRIX_SPLASH`                |Disables `RGB_MATRIX_SPLASH`                |
+|`#define DISABLE_RGB_MATRIX_MULTISPLASH`           |Disables `RGB_MATRIX_MULTISPLASH`           |
+|`#define DISABLE_RGB_MATRIX_SOLID_SPLASH`          |Disables `RGB_MATRIX_SOLID_SPLASH`          |
+|`#define DISABLE_RGB_MATRIX_SOLID_MULTISPLASH`     |Disables `RGB_MATRIX_SOLID_MULTISPLASH`     |
+
 
 ## Custom layer effects
 
diff --git a/quantum/rgb_matrix.c b/quantum/rgb_matrix.c
index 26ee57f5c2..15bd136716 100644
--- a/quantum/rgb_matrix.c
+++ b/quantum/rgb_matrix.c
@@ -55,6 +55,10 @@ rgb_config_t rgb_matrix_config;
     #define RGB_DIGITAL_RAIN_DROPS 24
 #endif
 
+#if !defined(DISABLE_RGB_MATRIX_RAINDROPS) || !defined(DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS) || !defined(DISABLE_RGB_MATRIX_DIGITAL_RAIN)
+    #define TRACK_PREVIOUS_EFFECT
+#endif
+
 bool g_suspend_state = false;
 
 // Global tick at 20 Hz
@@ -79,7 +83,12 @@ void eeconfig_update_rgb_matrix(uint32_t val) {
 void eeconfig_update_rgb_matrix_default(void) {
   dprintf("eeconfig_update_rgb_matrix_default\n");
   rgb_matrix_config.enable = 1;
+#ifndef DISABLE_RGB_MATRIX_CYCLE_ALL
   rgb_matrix_config.mode = RGB_MATRIX_CYCLE_LEFT_RIGHT;
+#else
+  // fallback to solid colors if RGB_MATRIX_CYCLE_LEFT_RIGHT is disabled in userspace
+  rgb_matrix_config.mode = RGB_MATRIX_SOLID_COLOR;
+#endif
   rgb_matrix_config.hue = 0;
   rgb_matrix_config.sat = 255;
   rgb_matrix_config.val = RGB_MATRIX_MAXIMUM_BRIGHTNESS;
@@ -499,7 +508,7 @@ void rgb_matrix_digital_rain( const bool initialize ) {
             map_row_column_to_led(row, col, &led, &led_count);
 
             if (map[col][row] > pure_green_intensity) {
-                const uint8_t boost = (uint8_t) ((uint16_t) max_brightness_boost 
+                const uint8_t boost = (uint8_t) ((uint16_t) max_brightness_boost
                         * (map[col][row] - pure_green_intensity) / (max_intensity - pure_green_intensity));
                 rgb_matrix_set_color(led, boost, max_intensity, boost);
             }
@@ -618,12 +627,16 @@ void rgb_matrix_custom(void) {
 }
 
 void rgb_matrix_task(void) {
-    static uint8_t toggle_enable_last = 255;
+  #ifdef TRACK_PREVIOUS_EFFECT
+      static uint8_t toggle_enable_last = 255;
+  #endif
 	if (!rgb_matrix_config.enable) {
-        rgb_matrix_all_off();
-        rgb_matrix_indicators();
-        toggle_enable_last = rgb_matrix_config.enable;
-    	return;
+     rgb_matrix_all_off();
+     rgb_matrix_indicators();
+     #ifdef TRACK_PREVIOUS_EFFECT
+         toggle_enable_last = rgb_matrix_config.enable;
+     #endif
+     return;
     }
     // delay 1 second before driving LEDs or doing anything else
     static uint8_t startup_tick = 0;
@@ -658,13 +671,16 @@ void rgb_matrix_task(void) {
             (RGB_DISABLE_AFTER_TIMEOUT > 0 && g_any_key_hit > RGB_DISABLE_AFTER_TIMEOUT * 60 * 20));
     uint8_t effect = suspend_backlight ? 0 : rgb_matrix_config.mode;
 
-    // Keep track of the effect used last time,
-    // detect change in effect, so each effect can
-    // have an optional initialization.
-    static uint8_t effect_last = 255;
-    bool initialize = (effect != effect_last) || (rgb_matrix_config.enable != toggle_enable_last);
-    effect_last = effect;
-    toggle_enable_last = rgb_matrix_config.enable;
+    #ifdef TRACK_PREVIOUS_EFFECT
+        // Keep track of the effect used last time,
+        // detect change in effect, so each effect can
+        // have an optional initialization.
+
+        static uint8_t effect_last = 255;
+        bool initialize = (effect != effect_last) || (rgb_matrix_config.enable != toggle_enable_last);
+        effect_last = effect;
+        toggle_enable_last = rgb_matrix_config.enable;
+    #endif
 
     // this gets ticked at 20 Hz.
     // each effect can opt to do calculations
@@ -673,59 +689,93 @@ void rgb_matrix_task(void) {
         case RGB_MATRIX_SOLID_COLOR:
             rgb_matrix_solid_color();
             break;
-        case RGB_MATRIX_ALPHAS_MODS:
-            rgb_matrix_alphas_mods();
-            break;
-        case RGB_MATRIX_DUAL_BEACON:
-            rgb_matrix_dual_beacon();
-            break;
-        case RGB_MATRIX_GRADIENT_UP_DOWN:
-            rgb_matrix_gradient_up_down();
-            break;
-        case RGB_MATRIX_RAINDROPS:
-            rgb_matrix_raindrops( initialize );
-            break;
-        case RGB_MATRIX_CYCLE_ALL:
-            rgb_matrix_cycle_all();
-            break;
-        case RGB_MATRIX_CYCLE_LEFT_RIGHT:
-            rgb_matrix_cycle_left_right();
-            break;
-        case RGB_MATRIX_CYCLE_UP_DOWN:
-            rgb_matrix_cycle_up_down();
-            break;
-        case RGB_MATRIX_RAINBOW_BEACON:
-            rgb_matrix_rainbow_beacon();
-            break;
-        case RGB_MATRIX_RAINBOW_PINWHEELS:
-            rgb_matrix_rainbow_pinwheels();
-            break;
-        case RGB_MATRIX_RAINBOW_MOVING_CHEVRON:
-            rgb_matrix_rainbow_moving_chevron();
-            break;
-        case RGB_MATRIX_JELLYBEAN_RAINDROPS:
-            rgb_matrix_jellybean_raindrops( initialize );
-            break;
-        case RGB_MATRIX_DIGITAL_RAIN:
-            rgb_matrix_digital_rain( initialize );
-            break;
-        #ifdef RGB_MATRIX_KEYPRESSES
-            case RGB_MATRIX_SOLID_REACTIVE:
-                rgb_matrix_solid_reactive();
+        #ifndef DISABLE_RGB_MATRIX_ALPHAS_MODS
+            case RGB_MATRIX_ALPHAS_MODS:
+                rgb_matrix_alphas_mods();
                 break;
-            case RGB_MATRIX_SPLASH:
-                rgb_matrix_splash();
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_DUAL_BEACON
+            case RGB_MATRIX_DUAL_BEACON:
+                rgb_matrix_dual_beacon();
+                break;
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN
+            case RGB_MATRIX_GRADIENT_UP_DOWN:
+                rgb_matrix_gradient_up_down();
+                break;
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_RAINDROPS
+            case RGB_MATRIX_RAINDROPS:
+                rgb_matrix_raindrops( initialize );
+                break;
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_CYCLE_ALL
+            case RGB_MATRIX_CYCLE_ALL:
+                rgb_matrix_cycle_all();
+                break;
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT
+            case RGB_MATRIX_CYCLE_LEFT_RIGHT:
+                rgb_matrix_cycle_left_right();
+                break;
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_CYCLE_UP_DOWN
+            case RGB_MATRIX_CYCLE_UP_DOWN:
+                rgb_matrix_cycle_up_down();
+                break;
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_RAINBOW_BEACON
+            case RGB_MATRIX_RAINBOW_BEACON:
+                rgb_matrix_rainbow_beacon();
+                break;
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS
+            case RGB_MATRIX_RAINBOW_PINWHEELS:
+                rgb_matrix_rainbow_pinwheels();
                 break;
-            case RGB_MATRIX_MULTISPLASH:
-                rgb_matrix_multisplash();
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON
+            case RGB_MATRIX_RAINBOW_MOVING_CHEVRON:
+                rgb_matrix_rainbow_moving_chevron();
                 break;
-            case RGB_MATRIX_SOLID_SPLASH:
-                rgb_matrix_solid_splash();
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS
+            case RGB_MATRIX_JELLYBEAN_RAINDROPS:
+                rgb_matrix_jellybean_raindrops( initialize );
                 break;
-            case RGB_MATRIX_SOLID_MULTISPLASH:
-                rgb_matrix_solid_multisplash();
+        #endif
+        #ifndef DISABLE_RGB_MATRIX_DIGITAL_RAIN
+            case RGB_MATRIX_DIGITAL_RAIN:
+                rgb_matrix_digital_rain( initialize );
                 break;
         #endif
+        #ifdef RGB_MATRIX_KEYPRESSES
+            #ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE
+                case RGB_MATRIX_SOLID_REACTIVE:
+                    rgb_matrix_solid_reactive();
+                    break;
+            #endif
+            #ifndef DISABLE_RGB_MATRIX_SPLASH
+                case RGB_MATRIX_SPLASH:
+                    rgb_matrix_splash();
+                    break;
+            #endif
+            #ifndef DISABLE_RGB_MATRIX_MULTISPLASH
+                case RGB_MATRIX_MULTISPLASH:
+                    rgb_matrix_multisplash();
+                    break;
+            #endif
+            #ifndef DISABLE_RGB_MATRIX_SOLID_SPLASH
+                case RGB_MATRIX_SOLID_SPLASH:
+                    rgb_matrix_solid_splash();
+                    break;
+            #endif
+            #ifndef DISABLE_RGB_MATRIX_SOLID_MULTISPLASH
+                case RGB_MATRIX_SOLID_MULTISPLASH:
+                    rgb_matrix_solid_multisplash();
+                    break;
+            #endif
+        #endif
         default:
             rgb_matrix_custom();
             break;
diff --git a/quantum/rgb_matrix.h b/quantum/rgb_matrix.h
index d2450a7d99..3cd248ffc4 100644
--- a/quantum/rgb_matrix.h
+++ b/quantum/rgb_matrix.h
@@ -70,24 +70,58 @@ typedef union {
 
 enum rgb_matrix_effects {
 	RGB_MATRIX_SOLID_COLOR = 1,
+#ifndef DISABLE_RGB_MATRIX_ALPHAS_MODS
     RGB_MATRIX_ALPHAS_MODS,
+#endif
+#ifndef DISABLE_RGB_MATRIX_DUAL_BEACON
     RGB_MATRIX_DUAL_BEACON,
+#endif
+#ifndef DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN
     RGB_MATRIX_GRADIENT_UP_DOWN,
+#endif
+#ifndef DISABLE_RGB_MATRIX_RAINDROPS
     RGB_MATRIX_RAINDROPS,
+#endif
+#ifndef DISABLE_RGB_MATRIX_CYCLE_ALL
     RGB_MATRIX_CYCLE_ALL,
+#endif
+#ifndef DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT
     RGB_MATRIX_CYCLE_LEFT_RIGHT,
+#endif
+#ifndef DISABLE_RGB_MATRIX_CYCLE_UP_DOWN
     RGB_MATRIX_CYCLE_UP_DOWN,
+#endif
+#ifndef DISABLE_RGB_MATRIX_RAINBOW_BEACON
     RGB_MATRIX_RAINBOW_BEACON,
+#endif
+#ifndef DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS
     RGB_MATRIX_RAINBOW_PINWHEELS,
+#endif
+#ifndef DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON
     RGB_MATRIX_RAINBOW_MOVING_CHEVRON,
+#endif
+#ifndef DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS
     RGB_MATRIX_JELLYBEAN_RAINDROPS,
+#endif
+#ifndef DISABLE_RGB_MATRIX_DIGITAL_RAIN
     RGB_MATRIX_DIGITAL_RAIN,
+#endif
 #ifdef RGB_MATRIX_KEYPRESSES
-    RGB_MATRIX_SOLID_REACTIVE,
-    RGB_MATRIX_SPLASH,
-    RGB_MATRIX_MULTISPLASH,
-    RGB_MATRIX_SOLID_SPLASH,
-    RGB_MATRIX_SOLID_MULTISPLASH,
+   #ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE
+       RGB_MATRIX_SOLID_REACTIVE,
+   #endif
+   #ifndef DISABLE_RGB_MATRIX_SPLASH
+       RGB_MATRIX_SPLASH,
+   #endif
+   #ifndef DISABLE_RGB_MATRIX_MULTISPLASH
+       RGB_MATRIX_MULTISPLASH,
+   #endif
+   #ifndef DISABLE_RGB_MATRIX_SOLID_SPLASH
+       RGB_MATRIX_SOLID_SPLASH,
+   #endif
+   #ifndef DISABLE_RGB_MATRIX_SOLID_MULTISPLASH
+       RGB_MATRIX_SOLID_MULTISPLASH,
+   #endif
 #endif
     RGB_MATRIX_EFFECT_MAX
 };