From a2ba37df1606865b5ff13ae1327462963f4f08fd Mon Sep 17 00:00:00 2001
From: klemek <klemek.dev@proton.me>
Date: Thu, 2 Oct 2025 21:12:08 +0200
Subject: [PATCH] wip value input

---
 config/forge.cfg    |   7 +-
 shaders/frag0.glsl  | 241 ++++++++++++++++++++++----------------------
 shaders/frag10.glsl |   2 +-
 shaders/frag3.glsl  |   4 +-
 shaders/frag4.glsl  |   4 +-
 shaders/frag5.glsl  |   2 +-
 shaders/frag6.glsl  |   2 +-
 shaders/frag7.glsl  |   6 +-
 shaders/frag8.glsl  |   2 +-
 src/arr.c           |   2 +-
 src/forge.c         |   2 +
 src/shaders.c       |  58 +++++++----
 src/state.c         |  60 ++++++++---
 src/types.h         |  40 +++++---
 14 files changed, 256 insertions(+), 176 deletions(-)

diff --git a/config/forge.cfg b/config/forge.cfg
index 92c673e..41bd1a7 100644
--- a/config/forge.cfg
+++ b/config/forge.cfg
@@ -16,6 +16,7 @@ UNIFORM_SRC_PREFIX=midi
 UNIFORM_PAGE=iPage
 UNIFORM_SELECTED=iSelected
 UNIFORM_ACTIVE_PREFIX=active
+UNIFORM_SRC_PREFIX=src
 
 SUB_TYPE_COUNT=2
 SUB_1_PREFIX=src_
@@ -71,7 +72,7 @@ SRC_COUNT=3
 SRC_1_ACTIVE_COUNT=2
 SRC_1_ACTIVE_1=32
 SRC_1_ACTIVE_2=64
-SRC_1_COUNT=7
+SRC_1_COUNT=6
 SRC_1_1_X=33
 SRC_1_1_Y=49
 SRC_1_1_Z=65
@@ -93,8 +94,8 @@ SRC_1_6_Z=
 
 SRC_2_ACTIVE_COUNT=3
 SRC_2_ACTIVE_1=36
-SRC_2_ACTIVE_2=68
-SRC_2_ACTIVE_3=52
+SRC_2_ACTIVE_2=52
+SRC_2_ACTIVE_3=68
 SRC_2_COUNT=7
 SRC_2_1_X=37
 SRC_2_1_Y=53
diff --git a/shaders/frag0.glsl b/shaders/frag0.glsl
index 517f3b0..61736cb 100644
--- a/shaders/frag0.glsl
+++ b/shaders/frag0.glsl
@@ -35,6 +35,11 @@ uniform int state8;
 uniform int active1;
 uniform int active2;
 
+uniform vec3 src2_1[7];
+uniform vec3 src2_2[7];
+uniform vec3 src2_3[7];
+uniform vec3 src3_1[2];
+
 // 2. textures
 // ---------------
 
@@ -879,11 +884,11 @@ int guess_char(sampler2D tex, vec2 uv, float k, float t)
 // 5. generators
 // -------------
 
-subroutine vec4 src_stage_sub(vec2 vUV, int seed);
+subroutine vec4 src_stage_sub(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3);
 
 subroutine uniform src_stage_sub src_stage;
 
-vec4 src_thru(vec2 vUV, sampler2D tex, int seed)
+vec4 src_thru(vec2 vUV, sampler2D tex, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -891,9 +896,9 @@ vec4 src_thru(vec2 vUV, sampler2D tex, int seed)
 
     // controls
 
-    float hue = magic(seed + 10);
-    float saturation = magic(seed + 20);
-    float light = magic(seed + 30);
+    float hue = magic(f1, b1, seed + 10);
+    float saturation = magic(f2, b2, seed + 20);
+    float light = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -910,13 +915,13 @@ vec4 src_thru(vec2 vUV, sampler2D tex, int seed)
 }
 
 // SRC 1: feedback + thru
-subroutine(src_stage_sub) vec4 src_1(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_1(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
-    return src_thru(vUV, tex0, seed);
+    return src_thru(vUV, tex0, seed, b1, f1, b2, f2, b3, f3);
 }
 
 // SRC 2 : lines
-subroutine(src_stage_sub) vec4 src_2(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_2(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -926,9 +931,9 @@ subroutine(src_stage_sub) vec4 src_2(vec2 vUV, int seed)
 
     // controls
 
-    float thickness = magic(seed + 10);
-    float rotation = magic(seed + 20);
-    float distort = magic(seed + 30);
+    float thickness = magic(f1, b1, seed + 10);
+    float rotation = magic(f2, b2, seed + 20);
+    float distort = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -943,7 +948,7 @@ subroutine(src_stage_sub) vec4 src_2(vec2 vUV, int seed)
 }
 
 // SRC 3 : dots
-subroutine(src_stage_sub) vec4 src_3(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_3(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -953,9 +958,9 @@ subroutine(src_stage_sub) vec4 src_3(vec2 vUV, int seed)
 
     // controls
 
-    float zoom = magic(seed + 10);
-    float rotation = magic(seed + 20);
-    float lens_v = magic(seed + 30);
+    float zoom = magic(f1, b1, seed + 10);
+    float rotation = magic(f2, b2, seed + 20);
+    float lens_v = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -972,7 +977,7 @@ subroutine(src_stage_sub) vec4 src_3(vec2 vUV, int seed)
 }
 
 // SRC 4 : waves
-subroutine(src_stage_sub) vec4 src_4(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_4(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -982,9 +987,9 @@ subroutine(src_stage_sub) vec4 src_4(vec2 vUV, int seed)
 
     // controls
 
-    float spacing = magic(seed + 10);
-    float thickness = magic(seed + 20);
-    float scroll = magic_reverse(seed + 30);
+    float spacing = magic(f1, b1, seed + 10);
+    float thickness = magic(f2, b2, seed + 20);
+    float scroll = magic_reverse(f3, b3, seed + 30);
 
     // logic
 
@@ -1015,7 +1020,7 @@ subroutine(src_stage_sub) vec4 src_4(vec2 vUV, int seed)
 }
 
 // SRC 5 : noise
-subroutine(src_stage_sub) vec4 src_5(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_5(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1025,9 +1030,9 @@ subroutine(src_stage_sub) vec4 src_5(vec2 vUV, int seed)
 
     // controls
 
-    float zoom = magic(seed + 10);
-    float voronoi_distort = magic(seed + 20);
-    float details = magic(seed + 30);
+    float zoom = magic(f1, b1, seed + 10);
+    float voronoi_distort = magic(f2, b2, seed + 20);
+    float details = magic(f3, b3, seed + 30);
     float noise_factor = magic(seed + 40);
 
     // logic
@@ -1045,13 +1050,13 @@ subroutine(src_stage_sub) vec4 src_5(vec2 vUV, int seed)
 }
 
 // SRC 6 : video in 1 + thru
-subroutine(src_stage_sub) vec4 src_6(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_6(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
-    return src_thru(vUV, tex3, seed);
+    return src_thru(vUV, tex3, seed, b1, f1, b2, f2, b3, f3);
 }
 
 // SRC 7 : cp437
-subroutine(src_stage_sub) vec4 src_7(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_7(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1061,10 +1066,10 @@ subroutine(src_stage_sub) vec4 src_7(vec2 vUV, int seed)
 
     // controls
 
-    float zoom = magic(seed + 10);
-    vec2 charset = magic_f(seed + 20);
-    vec3 charset_ctrl = magic_b(seed + 20);
-    float char_delta = magic(seed + 30);
+    float zoom = magic(f1, b1, seed + 10);
+    vec2 charset = magic_f(f2, b2, seed + 20);
+    vec3 charset_ctrl = magic_b(b2, seed + 20);
+    float char_delta = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -1103,7 +1108,7 @@ const int lengths[SENTENCE_COUNT] = {
     5, 17, 13, 13, 13, 17, 8, 8, 11, 19
 };
 
-subroutine(src_stage_sub) vec4 src_8(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_8(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1113,10 +1118,10 @@ subroutine(src_stage_sub) vec4 src_8(vec2 vUV, int seed)
 
     // controls
 
-    float zoom = magic(seed + 10);
-    float sentence = magic_reverse(seed + 20);
-    float h_delta = magic(seed + 30);
-    vec3 h_delta_b = magic_b(seed + 30);
+    float zoom = magic(f1, b1, seed + 10);
+    float sentence = magic_reverse(f2, b2, seed + 20);
+    float h_delta = magic(f3, b3, seed + 30);
+    vec3 h_delta_b = magic_b(b3, seed + 30);
 
     // logic
 
@@ -1131,7 +1136,7 @@ subroutine(src_stage_sub) vec4 src_8(vec2 vUV, int seed)
 }
 
 // TODO SRC 9
-subroutine(src_stage_sub) vec4 src_9(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_9(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1147,7 +1152,7 @@ subroutine(src_stage_sub) vec4 src_9(vec2 vUV, int seed)
 }
 
 // TODO SRC 10
-subroutine(src_stage_sub) vec4 src_10(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_10(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1163,13 +1168,13 @@ subroutine(src_stage_sub) vec4 src_10(vec2 vUV, int seed)
 }
 
 // SRC 11 : video in 2 + thru
-subroutine(src_stage_sub) vec4 src_11(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_11(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
-    return src_thru(vUV, tex4, seed);
+    return src_thru(vUV, tex4, seed, b1, f1, b2, f2, b3, f3);
 }
 
 // TODO SRC 12
-subroutine(src_stage_sub) vec4 src_12(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_12(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1185,7 +1190,7 @@ subroutine(src_stage_sub) vec4 src_12(vec2 vUV, int seed)
 }
 
 // TODO SRC 13
-subroutine(src_stage_sub) vec4 src_13(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_13(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1201,7 +1206,7 @@ subroutine(src_stage_sub) vec4 src_13(vec2 vUV, int seed)
 }
 
 // TODO SRC 14
-subroutine(src_stage_sub) vec4 src_14(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_14(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1217,7 +1222,7 @@ subroutine(src_stage_sub) vec4 src_14(vec2 vUV, int seed)
 }
 
 // TODO SRC 15
-subroutine(src_stage_sub) vec4 src_15(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_15(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1233,7 +1238,7 @@ subroutine(src_stage_sub) vec4 src_15(vec2 vUV, int seed)
 }
 
 // SRC 16 : debug
-subroutine(src_stage_sub) vec4 src_16(vec2 vUV, int seed)
+subroutine(src_stage_sub) vec4 src_16(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
     // start
 
@@ -1248,11 +1253,11 @@ subroutine(src_stage_sub) vec4 src_16(vec2 vUV, int seed)
     int selected_fxa = state5;
     int selected_fxb = state6;
     int selected_mfx = state8;
-    float fxa_value = magic(seed5);
-    float fxb_value = magic(seed6);
-    float mfx_value = magic(seed8);
-    float mix_value = magic(seed7);
-    bool mix_type = magic_trigger(seed7 + 10);
+    float fxa_value = magic(src2_1[6].xy, vec3(1, 0, 0), seed5);
+    float fxb_value = magic(src2_2[6].xy, vec3(1, 0, 0), seed6);
+    float mfx_value = magic(src2_3[6].xy, vec3(1, 0, 0), seed8);
+    float mix_value = magic(src3_1[1].xy, vec3(1, 0, 0), seed7);
+    bool mix_type = magic_trigger(vec3(src3_1[0].x, 0, 0), seed7 + 10);
 
     // logic
 
@@ -1378,12 +1383,12 @@ subroutine(src_stage_sub) vec4 src_16(vec2 vUV, int seed)
 // 6. effects
 // ----------
 
-subroutine vec4 fx_stage_sub(vec2 vUV, sampler2D previous, sampler2D feedback, int seed);
+subroutine vec4 fx_stage_sub(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0);
 
 subroutine uniform fx_stage_sub fx_stage;
 
 // FX 1 : thru
-subroutine(fx_stage_sub) vec4 fx_1(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_1(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1391,11 +1396,11 @@ subroutine(fx_stage_sub) vec4 fx_1(vec2 vUV, sampler2D previous, sampler2D feedb
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float hue = magic(seed + 10);
-    float saturation = magic(seed + 20);
-    float light = magic(seed + 30);
+    float hue = magic(f1, b1, seed + 10);
+    float saturation = magic(f2, b2, seed + 20);
+    float light = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -1409,7 +1414,7 @@ subroutine(fx_stage_sub) vec4 fx_1(vec2 vUV, sampler2D previous, sampler2D feedb
 }
 
 // FX 2 : feedback + shift
-vec4 fx_shift(vec2 vUV, sampler2D src0, sampler2D src1, int seed)
+vec4 fx_shift(vec2 vUV, sampler2D src0, sampler2D src1, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1419,11 +1424,11 @@ vec4 fx_shift(vec2 vUV, sampler2D src0, sampler2D src1, int seed)
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float zoom = magic(seed + 10);
-    float x_shift = magic(seed + 20);
-    float y_shift = magic(seed + 30);
+    float zoom = magic(f1, b1, seed + 10);
+    float x_shift = magic(f2, b2, seed + 20);
+    float y_shift = magic(f3, b3, seed + 30);
 
     // logic
     
@@ -1437,19 +1442,19 @@ vec4 fx_shift(vec2 vUV, sampler2D src0, sampler2D src1, int seed)
     return vec4(mix(c0, c, fx), 1.0);
 }
 
-subroutine(fx_stage_sub) vec4 fx_2(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_2(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
-    return fx_shift(vUV, previous, feedback, seed);
+    return fx_shift(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, f0);
 }
 
 // FX 3 : shift
-subroutine(fx_stage_sub) vec4 fx_3(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_3(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
-    return fx_shift(vUV, previous, previous, seed);
+    return fx_shift(vUV, previous, previous, seed, b1, f1, b2, f2, b3, f3, f0);
 }
 
 // FX 4 : colorize
-subroutine(fx_stage_sub) vec4 fx_4(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_4(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1457,13 +1462,13 @@ subroutine(fx_stage_sub) vec4 fx_4(vec2 vUV, sampler2D previous, sampler2D feedb
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float c_black = magic(seed + 10);
-    bool c_black_trigger = magic_trigger(seed + 10);
-    float c_white = magic(seed + 20);
-    bool c_white_trigger = magic_trigger(seed + 20);
-    float delta = magic(seed + 30);
+    float c_black = magic(f1, b1, seed + 10);
+    bool c_black_trigger = magic_trigger(b1, seed + 10);
+    float c_white = magic(f2, b2, seed + 20);
+    bool c_white_trigger = magic_trigger(b2, seed + 20);
+    float delta = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -1477,7 +1482,7 @@ subroutine(fx_stage_sub) vec4 fx_4(vec2 vUV, sampler2D previous, sampler2D feedb
 }
 
 // FX 5 : quantize
-subroutine(fx_stage_sub) vec4 fx_5(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_5(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1487,12 +1492,12 @@ subroutine(fx_stage_sub) vec4 fx_5(vec2 vUV, sampler2D previous, sampler2D feedb
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float pixel_size = magic(seed + 10);
-    float quantize = magic(seed + 20);
-    bool quantize_trigger = magic_trigger(seed + 20);
-    float blur = magic(seed + 30);
+    float pixel_size = magic(f1, b1, seed + 10);
+    float quantize = magic(f2, b2, seed + 20);
+    bool quantize_trigger = magic_trigger(b2, seed + 20);
+    float blur = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -1512,7 +1517,7 @@ subroutine(fx_stage_sub) vec4 fx_5(vec2 vUV, sampler2D previous, sampler2D feedb
 }
 
 // FX 6 : dithering
-subroutine(fx_stage_sub) vec4 fx_6(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_6(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1522,13 +1527,13 @@ subroutine(fx_stage_sub) vec4 fx_6(vec2 vUV, sampler2D previous, sampler2D feedb
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float pixel_size = magic(seed + 10);
-    bool pixel_size_trigger = magic_trigger(seed + 10);
-    float quantize = magic(seed + 20);
-    bool quantize_trigger = magic_trigger(seed + 20);
-    float blur = magic(seed + 30);
+    float pixel_size = magic(f1, b1, seed + 10);
+    bool pixel_size_trigger = magic_trigger(b1, seed + 10);
+    float quantize = magic(f2, b2, seed + 20);
+    bool quantize_trigger = magic_trigger(b2, seed + 20);
+    float blur = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -1556,7 +1561,7 @@ subroutine(fx_stage_sub) vec4 fx_6(vec2 vUV, sampler2D previous, sampler2D feedb
 }
 
 // FX 7 : tv
-subroutine(fx_stage_sub) vec4 fx_7(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_7(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1566,11 +1571,11 @@ subroutine(fx_stage_sub) vec4 fx_7(vec2 vUV, sampler2D previous, sampler2D feedb
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float lens_v = magic(seed + 10);
-    float horizontal_noise = magic(seed + 20);
-    float zoom = magic(seed + 30);
+    float lens_v = magic(f1, b1, seed + 10);
+    float horizontal_noise = magic(f2, b2, seed + 20);
+    float zoom = magic(f3, b3, seed + 30);
 
     // logic
     
@@ -1591,7 +1596,7 @@ subroutine(fx_stage_sub) vec4 fx_7(vec2 vUV, sampler2D previous, sampler2D feedb
 }
 
 // FX 8 : kaleidoscope
-subroutine(fx_stage_sub) vec4 fx_8(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_8(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1601,12 +1606,12 @@ subroutine(fx_stage_sub) vec4 fx_8(vec2 vUV, sampler2D previous, sampler2D feedb
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float axes = magic(seed + 10);
-    float axes_trigger = magic_b(seed + 10).x;
-    float rotation = magic(seed + 20);
-    float h_scroll = magic(seed + 30);
+    float axes = magic(f1, b1, seed + 10);
+    float axes_trigger = magic_b(b1, seed + 10).x;
+    float rotation = magic(f2, b2, seed + 20);
+    float h_scroll = magic(f3, b3, seed + 30);
 
     // logic
 
@@ -1622,7 +1627,7 @@ subroutine(fx_stage_sub) vec4 fx_8(vec2 vUV, sampler2D previous, sampler2D feedb
 }
 
 // FX 9 : cp437
-subroutine(fx_stage_sub) vec4 fx_9(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_9(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1632,12 +1637,12 @@ subroutine(fx_stage_sub) vec4 fx_9(vec2 vUV, sampler2D previous, sampler2D feedb
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float zoom = magic(seed + 10);
-    vec2 charset = magic_f(seed + 20);
-    vec3 charset_ctrl = magic_b(seed + 20);
-    float char_delta = magic(seed + 30);
+    float zoom = magic(f1, b1, seed + 10);
+    vec2 charset = magic_f(f2, b2, seed + 20);
+    vec3 charset_ctrl = magic_b(b2, seed + 20);
+    float char_delta = magic(f3, b3, seed + 30);
     float t = magic(seed + 40); 
 
     // logic
@@ -1664,7 +1669,7 @@ subroutine(fx_stage_sub) vec4 fx_9(vec2 vUV, sampler2D previous, sampler2D feedb
 }
 
 // FX 10 : lens
-subroutine(fx_stage_sub) vec4 fx_10(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_10(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1674,11 +1679,11 @@ subroutine(fx_stage_sub) vec4 fx_10(vec2 vUV, sampler2D previous, sampler2D feed
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
-    float lens_v1 = magic(seed + 10);
-    float lens_v2 = magic(seed + 20);
-    float zoom = magic(seed + 30);
+    float lens_v1 = magic(f1, b1, seed + 10);
+    float lens_v2 = magic(f2, b2, seed + 20);
+    float zoom = magic(f3, b3, seed + 30);
     float k = magic(seed + 40);
 
     // logic
@@ -1694,7 +1699,7 @@ subroutine(fx_stage_sub) vec4 fx_10(vec2 vUV, sampler2D previous, sampler2D feed
 }
 
 // TODO FX 11
-subroutine(fx_stage_sub) vec4 fx_11(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_11(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1704,7 +1709,7 @@ subroutine(fx_stage_sub) vec4 fx_11(vec2 vUV, sampler2D previous, sampler2D feed
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
     // logic
     
@@ -1715,7 +1720,7 @@ subroutine(fx_stage_sub) vec4 fx_11(vec2 vUV, sampler2D previous, sampler2D feed
 }
 
 // TODO FX 12
-subroutine(fx_stage_sub) vec4 fx_12(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_12(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1725,7 +1730,7 @@ subroutine(fx_stage_sub) vec4 fx_12(vec2 vUV, sampler2D previous, sampler2D feed
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
     // logic
     
@@ -1736,7 +1741,7 @@ subroutine(fx_stage_sub) vec4 fx_12(vec2 vUV, sampler2D previous, sampler2D feed
 }
 
 // TODO FX 13
-subroutine(fx_stage_sub) vec4 fx_13(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_13(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1746,7 +1751,7 @@ subroutine(fx_stage_sub) vec4 fx_13(vec2 vUV, sampler2D previous, sampler2D feed
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
     // logic
     
@@ -1757,7 +1762,7 @@ subroutine(fx_stage_sub) vec4 fx_13(vec2 vUV, sampler2D previous, sampler2D feed
 }
 
 // TODO FX 14
-subroutine(fx_stage_sub) vec4 fx_14(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_14(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1767,7 +1772,7 @@ subroutine(fx_stage_sub) vec4 fx_14(vec2 vUV, sampler2D previous, sampler2D feed
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
     // logic
 
@@ -1778,7 +1783,7 @@ subroutine(fx_stage_sub) vec4 fx_14(vec2 vUV, sampler2D previous, sampler2D feed
 }
 
 // TODO FX 15
-subroutine(fx_stage_sub) vec4 fx_15(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_15(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1788,7 +1793,7 @@ subroutine(fx_stage_sub) vec4 fx_15(vec2 vUV, sampler2D previous, sampler2D feed
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
     // logic
     
@@ -1799,7 +1804,7 @@ subroutine(fx_stage_sub) vec4 fx_15(vec2 vUV, sampler2D previous, sampler2D feed
 }
 
 // TODO FX 16
-subroutine(fx_stage_sub) vec4 fx_16(vec2 vUV, sampler2D previous, sampler2D feedback, int seed)
+subroutine(fx_stage_sub) vec4 fx_16(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec2 f0)
 {
     // start
 
@@ -1809,7 +1814,7 @@ subroutine(fx_stage_sub) vec4 fx_16(vec2 vUV, sampler2D previous, sampler2D feed
 
     // controls
 
-    float fx = magic(seed);
+    float fx = magic(f0, vec3(1,0,0), seed);
 
     // logic
 
diff --git a/shaders/frag10.glsl b/shaders/frag10.glsl
index 750b662..b9d7651 100644
--- a/shaders/frag10.glsl
+++ b/shaders/frag10.glsl
@@ -40,7 +40,7 @@ void main() {
     c += s(uv2,1,1) * texture(tex6, uv2);
     c += s(uv2,2,1) * texture(tex8, uv2);
 
-    c += s(uv2,0,0) * src_16(mod(uv2, 1), 0);
+    c += s(uv2,0,0) * src_16(mod(uv2, 1), 0, vec3(0), vec2(0), vec3(0), vec2(0), vec3(0), vec2(0));
     c += s(uv2,1,0) * texture(tex9, uv2);
     c += s(uv2,2,0) * texture(tex0, uv2);
 
diff --git a/shaders/frag3.glsl b/shaders/frag3.glsl
index 3615825..d760931 100644
--- a/shaders/frag3.glsl
+++ b/shaders/frag3.glsl
@@ -5,6 +5,8 @@
 in vec2 vUV;
 out vec4 fragColor;
 
+uniform vec3 src1_1[6];
+
 void main() {
-    fragColor = src_stage(vUV, seed3);
+    fragColor = src_stage(vUV, seed3, src1_1[0], src1_1[1].xy, src1_1[2], src1_1[3].xy, src1_1[4], src1_1[5].xy);
 }
\ No newline at end of file
diff --git a/shaders/frag4.glsl b/shaders/frag4.glsl
index cb5472e..5d7e5c0 100644
--- a/shaders/frag4.glsl
+++ b/shaders/frag4.glsl
@@ -5,6 +5,8 @@
 in vec2 vUV;
 out vec4 fragColor;
 
+uniform vec3 src1_2[6];
+
 void main() {
-    fragColor = src_stage(vUV, seed4);
+    fragColor = src_stage(vUV, seed4, src1_2[0], src1_2[1].xy, src1_2[2], src1_2[3].xy, src1_2[4], src1_2[5].xy);
 }
\ No newline at end of file
diff --git a/shaders/frag5.glsl b/shaders/frag5.glsl
index 1a8c494..5b36ba8 100644
--- a/shaders/frag5.glsl
+++ b/shaders/frag5.glsl
@@ -8,5 +8,5 @@ in vec2 vUV;
 out vec4 fragColor;
 
 void main() {
-    fragColor = fx_stage(vUV, tex5, tex7, seed5);
+    fragColor = fx_stage(vUV, tex5, tex7, seed5, src2_1[0], src2_1[1].xy, src2_1[2], src2_1[3].xy, src2_1[4], src2_1[5].xy, src2_1[6].xy);
 }
\ No newline at end of file
diff --git a/shaders/frag6.glsl b/shaders/frag6.glsl
index 013ad3b..7617b2a 100644
--- a/shaders/frag6.glsl
+++ b/shaders/frag6.glsl
@@ -8,5 +8,5 @@ in vec2 vUV;
 out vec4 fragColor;
 
 void main() {
-    fragColor = fx_stage(vUV, tex6, tex8, seed6);
+    fragColor = fx_stage(vUV, tex6, tex8, seed6, src2_2[0], src2_2[1].xy, src2_2[2], src2_2[3].xy, src2_2[4], src2_2[5].xy, src2_2[6].xy);
 }
\ No newline at end of file
diff --git a/shaders/frag7.glsl b/shaders/frag7.glsl
index 5c78fa1..45c4a31 100644
--- a/shaders/frag7.glsl
+++ b/shaders/frag7.glsl
@@ -8,13 +8,13 @@ in vec2 vUV;
 out vec4 fragColor;
 
 void main() {
-    float mix_src = magic(seed7);
-    bool key = magic_trigger(seed7 + 10);
+    float mix_value = magic(src3_1[1].xy, vec3(1, 0, 0), seed7);
+    bool mix_type = magic_trigger(vec3(src3_1[0].x, 0, 0), seed7 + 10);
 
     vec4 color_a = texture(tex7, vUV);
     vec4 color_b = texture(tex8, vUV);
 
     float k = mean(color_a);
 
-    fragColor = mix(color_b, color_a, key ? step(mix_src, k) : mix_src);
+    fragColor = mix(color_b, color_a, mix_type ? step(mix_value, k) : mix_value);
 }
\ No newline at end of file
diff --git a/shaders/frag8.glsl b/shaders/frag8.glsl
index c14768b..5e1829f 100644
--- a/shaders/frag8.glsl
+++ b/shaders/frag8.glsl
@@ -8,5 +8,5 @@ in vec2 vUV;
 out vec4 fragColor;
 
 void main() {
-    fragColor = fx_stage(vUV, tex9, tex0, seed8);
+    fragColor = fx_stage(vUV, tex9, tex0, seed8, src2_3[0], src2_3[1].xy, src2_3[2], src2_3[3].xy, src2_3[4], src2_3[5].xy, src2_3[6].xy);
 }
\ No newline at end of file
diff --git a/src/arr.c b/src/arr.c
index 0710d0f..47e4626 100644
--- a/src/arr.c
+++ b/src/arr.c
@@ -23,4 +23,4 @@ unsigned int arr_uint_remap_index(UintArray offsets, unsigned int *index) {
   }
 
   return 0;
-}
\ No newline at end of file
+}
diff --git a/src/forge.c b/src/forge.c
index af7facd..1e4a07e 100644
--- a/src/forge.c
+++ b/src/forge.c
@@ -4,6 +4,7 @@
 #include <stdlib.h>
 #include <sys/wait.h>
 
+#include "arr.h"
 #include "config.h"
 #include "config_file.h"
 #include "file.h"
@@ -68,6 +69,7 @@ static void init_context(Parameters params, unsigned int in_count,
   }
 
   memset(context->active, 0, sizeof(context->active));
+  memset(context->values, 0, sizeof(context->values));
 
   context->page = 0;
   context->selected = 0;
diff --git a/src/shaders.c b/src/shaders.c
index b5b67ee..9878459 100644
--- a/src/shaders.c
+++ b/src/shaders.c
@@ -3,6 +3,7 @@
 #include <stddef.h>
 #include <stdio.h>
 
+#include "arr.h"
 #include "config.h"
 #include "config_file.h"
 #include "constants.h"
@@ -234,8 +235,8 @@ static void init_shaders(ShaderProgram *program, FileArray fragment_shaders) {
 }
 
 static void init_single_program(ShaderProgram *program, unsigned int i,
-                                ConfigFile config) {
-  unsigned int j, k;
+                                ConfigFile config, StateConfig state_config) {
+  unsigned int j, k, index1, index2;
   char name[256];
   char *prefix;
   program->programs[i] = glCreateProgram();
@@ -325,6 +326,18 @@ static void init_single_program(ShaderProgram *program, unsigned int i,
         glGetUniformLocation(program->programs[i], name);
   }
 
+  prefix = config_file_get_str(config, "UNIFORM_SRC_PREFIX", "src");
+  index1 = index2 = 0;
+  for (j = 0; j < state_config.src_active_counts.length; j++) {
+    for (k = 0; k < state_config.src_active_counts.values[j]; k++) {
+      program->src_lengths.values[index1++] = state_config.src_counts.values[j];
+      sprintf(name, "%s%d_%d", prefix, j + 1, k + 1);
+      program->isrc_locations[index2++] =
+          glGetUniformLocation(program->programs[i], name);
+    }
+  }
+  program->src_lengths.length = index1;
+
   // create texX uniforms pointer
   prefix = config_file_get_str(config, "UNIFORM_TEX_PREFIX", "tex");
   for (j = 0; j < program->tex_count; j++) {
@@ -340,11 +353,12 @@ static void init_single_program(ShaderProgram *program, unsigned int i,
   log_info("Program %d initialized", i + 1);
 }
 
-static void init_programs(ShaderProgram *program, ConfigFile config) {
+static void init_programs(ShaderProgram *program, ConfigFile config,
+                          StateConfig state_config) {
   unsigned int i;
 
   for (i = 0; i < program->frag_count; i++) {
-    init_single_program(program, i, config);
+    init_single_program(program, i, config, state_config);
   }
 }
 
@@ -366,7 +380,7 @@ ShaderProgram shaders_init(FileArray fragment_shaders, ConfigFile config,
     program.sub_type_count = config_file_get_int(config, "SUB_TYPE_COUNT", 0);
     program.in_count = config_file_get_int(config, "IN_COUNT", 0);
     program.sub_variant_count = state_config.state_max;
-    program.active_count = state_config.src_count;
+    program.active_count = state_config.src_active_counts.length;
 
     if (program.frag_count > MAX_FRAG) {
       log_error("FRAG_COUNT over %d", MAX_FRAG);
@@ -388,7 +402,7 @@ ShaderProgram shaders_init(FileArray fragment_shaders, ConfigFile config,
 
     init_framebuffers(&program, config);
 
-    init_programs(&program, config);
+    init_programs(&program, config, state_config);
 
     init_vertices(&program);
 
@@ -451,16 +465,18 @@ static void write_uniform_2f(GLuint location, vec2 *value) {
   }
 }
 
-// static void write_uniform_3f(GLuint location, vec3 *value) {
-//   if (location != unused_uniform) {
-//     glUniform3fv(location, 1, (const GLfloat *)value);
-//   }
-// }
+static void write_uniform_multi_3f(GLuint location, unsigned int count,
+                                   vec3 *value) {
+  if (location != unused_uniform) {
+    glUniform3fv(location, count, (const GLfloat *)value);
+  }
+}
 
 static void use_program(ShaderProgram program, int i, bool output,
                         SharedContext *context) {
-  unsigned int j, k;
+  unsigned int j, k, offset;
   GLuint subroutines[ARRAY_SIZE];
+  // TODO direct vec2 in context
   vec2 resolution, tex_resolution, in_resolution;
 
   resolution[0] = (float)context->width;
@@ -519,6 +535,19 @@ static void use_program(ShaderProgram program, int i, bool output,
                      context->seeds[j]);
   }
 
+  for (j = 0; j < program.frag_count; j++) {
+    write_uniform_1i(program.istate_locations[i * program.frag_count + j],
+                     context->state[j]);
+  }
+
+  offset = 0;
+  for (j = 0; j < program.src_lengths.length; j++) {
+    write_uniform_multi_3f(program.isrc_locations[j],
+                           program.src_lengths.values[j],
+                           context->values + offset);
+    offset += program.src_lengths.values[j];
+  }
+
   // set subroutines for fragment and update state uniforms
   k = context->state[i];
   for (j = 0; j < program.sub_type_count; j++) {
@@ -527,11 +556,6 @@ static void use_program(ShaderProgram program, int i, bool output,
                                            j * program.sub_variant_count + k];
   }
 
-  for (j = 0; j < program.frag_count; j++) {
-    write_uniform_1i(program.istate_locations[i * program.frag_count + j],
-                     context->state[j]);
-  }
-
   glUniformSubroutinesuiv(GL_FRAGMENT_SHADER, program.sub_type_count,
                           subroutines);
 
diff --git a/src/state.c b/src/state.c
index 2ca9bce..5d24642 100644
--- a/src/state.c
+++ b/src/state.c
@@ -10,8 +10,8 @@
 
 StateConfig state_parse_config(ConfigFile config) {
   unsigned int i, j, offset, total;
+  // TODO rename total var
   StateConfig state_config;
-  UintArray tmp_counts;
   char name[256];
 
   state_config.select_page_codes.length =
@@ -44,22 +44,24 @@ StateConfig state_parse_config(ConfigFile config) {
         config_file_get_int(config, name, UNSET_MIDI_CODE);
   }
 
-  state_config.src_count = tmp_counts.length =
+  state_config.src_active_counts.length = state_config.src_counts.length =
       state_config.src_active_offsets.length = state_config.src_offsets.length =
-          config_file_get_int(config, "SRC_COUNT", 0);
+          state_config.values_offsets.length =
+              config_file_get_int(config, "SRC_COUNT", 0);
 
   total = 0;
-  for (i = 0; i < tmp_counts.length; i++) {
+  for (i = 0; i < state_config.src_active_counts.length; i++) {
     sprintf(name, "SRC_%d_ACTIVE_COUNT", i + 1);
-    tmp_counts.values[i] = config_file_get_int(config, name, 0);
+    state_config.src_active_counts.values[i] =
+        config_file_get_int(config, name, 1);
     state_config.src_active_offsets.values[i] = total;
-    total += tmp_counts.values[i];
+    total += state_config.src_active_counts.values[i];
   }
 
   state_config.src_active_codes.length = total;
 
-  for (i = 0; i < tmp_counts.length; i++) {
-    for (j = 0; j < tmp_counts.values[i]; j++) {
+  for (i = 0; i < state_config.src_active_counts.length; i++) {
+    for (j = 0; j < state_config.src_active_counts.values[i]; j++) {
       sprintf(name, "SRC_%d_ACTIVE_%d", i + 1, j + 1);
       state_config.src_active_codes
           .values[state_config.src_active_offsets.values[i] + j] =
@@ -68,18 +70,22 @@ StateConfig state_parse_config(ConfigFile config) {
   }
 
   total = 0;
-  for (i = 0; i < tmp_counts.length; i++) {
+  offset = 0;
+  for (i = 0; i < state_config.src_counts.length; i++) {
     sprintf(name, "SRC_%d_COUNT", i + 1);
-    tmp_counts.values[i] = config_file_get_int(config, name, 0);
+    state_config.src_counts.values[i] = config_file_get_int(config, name, 0);
     state_config.src_offsets.values[i] = total;
-    total += tmp_counts.values[i];
+    state_config.values_offsets.values[i] = offset;
+    offset += state_config.src_counts.values[i] *
+              state_config.src_active_counts.values[i];
+    total += state_config.src_counts.values[i];
   }
 
   state_config.src_codes.length = total * 3;
 
-  for (i = 0; i < tmp_counts.length; i++) {
+  for (i = 0; i < state_config.src_counts.length; i++) {
     offset = state_config.src_offsets.values[i];
-    for (j = 0; j < tmp_counts.values[i]; j++) {
+    for (j = 0; j < state_config.src_counts.values[i]; j++) {
       sprintf(name, "SRC_%d_%d_X", i + 1, j + 1);
       state_config.src_codes.values[(offset + j) * 3] =
           config_file_get_int(config, name, UNSET_MIDI_CODE);
@@ -157,7 +163,7 @@ static void update_selected(SharedContext *context, StateConfig state_config,
 void state_apply_event(SharedContext *context, StateConfig state_config,
                        MidiDevice midi, unsigned char code,
                        unsigned char value) {
-  unsigned int index, part;
+  unsigned int index, sub_index, src_index, part;
   bool found;
 
   found = false;
@@ -201,7 +207,30 @@ void state_apply_event(SharedContext *context, StateConfig state_config,
     if (value > 0) {
       part = arr_uint_remap_index(state_config.src_active_offsets, &index);
       context->active[part] = index;
-      // TODO things
+      // TODO update values
+    }
+  }
+
+  // VALUE CHANGE
+  index = arr_uint_index_of(state_config.src_codes, code);
+  if (index != ARRAY_NOT_FOUND) {
+    found = true;
+    sub_index = index / 3;
+    part = arr_uint_remap_index(state_config.src_offsets, &sub_index);
+    src_index = state_config.values_offsets.values[part] +
+                context->active[part] * state_config.src_counts.values[part] +
+                sub_index;
+
+    if (arr_uint_index_of(state_config.fader_codes, code) != ARRAY_NOT_FOUND) {
+      context->values[src_index][index % 3] = (float)value / MIDI_MAX;
+    } else if (value > 0) {
+      if (context->values[src_index][index % 3] > 0.5) {
+        context->values[src_index][index % 3] = 0;
+        midi_write(midi, code, 0);
+      } else {
+        context->values[src_index][index % 3] = 1;
+        midi_write(midi, code, MIDI_MAX);
+      }
     }
   }
 
@@ -230,6 +259,7 @@ bool state_background_midi_write(SharedContext *context,
 
   update_page(context, state_config, midi);
   update_selected(context, state_config, midi);
+  // TODO init values
 
   while (!context->stop) {
     // TODO tap tempo and more
diff --git a/src/types.h b/src/types.h
index c7b779b..c412c2b 100644
--- a/src/types.h
+++ b/src/types.h
@@ -14,10 +14,16 @@
 #ifndef TYPES_H
 #define TYPES_H
 
-typedef struct UintArray {
-  unsigned int values[ARRAY_SIZE];
-  unsigned int length;
-} UintArray;
+#define ARRAY(X, Y)                                                            \
+  struct X {                                                                   \
+    Y values[ARRAY_SIZE];                                                      \
+    unsigned int length;                                                       \
+  } X
+
+typedef ARRAY(UintArray, unsigned int);
+typedef ARRAY(StringArray, char *);
+typedef ARRAY(Vec3Array, vec3);
+typedef ARRAY(GLuintArray, GLuint);
 
 typedef struct Parameters {
   bool hot_reload;
@@ -32,6 +38,7 @@ typedef struct Parameters {
   float base_tempo;
   bool demo;
   bool windowed;
+  // TODO use array
   char *video_in[MAX_VIDEO];
   unsigned int video_in_count;
 } Parameters;
@@ -47,10 +54,7 @@ typedef struct File {
   time_t last_write;
 } File;
 
-typedef struct FileArray {
-  File values[ARRAY_SIZE];
-  unsigned int length;
-} FileArray;
+typedef ARRAY(FileArray, File);
 
 typedef struct ShaderProgram {
   bool error;
@@ -71,11 +75,14 @@ typedef struct ShaderProgram {
   unsigned int frag_output_index;
   unsigned int frag_monitor_index;
 
+  // TODO use array
   GLuint programs[ARRAY_SIZE];
 
+  // TODO use array
   GLuint frame_buffers[ARRAY_SIZE];
   GLuint fragment_shaders[ARRAY_SIZE];
 
+  // TODO use array
   GLuint itime_locations[ARRAY_SIZE];
   GLuint itempo_locations[ARRAY_SIZE];
   GLuint ifps_locations[ARRAY_SIZE];
@@ -91,8 +98,13 @@ typedef struct ShaderProgram {
   GLuint iselected_locations[ARRAY_SIZE];
   GLuint iactive_locations[ARRAY_SIZE];
 
+  // TODO rename inputs_xxx
+  UintArray src_lengths;
+  GLuint isrc_locations[ARRAY_SIZE];
+
   GLuint vpos_locations[ARRAY_SIZE];
 
+  // TODO use array
   GLuint textures_locations[ARRAY_SIZE];
 
   unsigned int sub_type_count;
@@ -119,10 +131,7 @@ typedef struct VideoCapture {
   EGLImageKHR dma_image;
 } VideoCapture;
 
-typedef struct VideoCaptureArray {
-  VideoCapture values[ARRAY_SIZE];
-  unsigned int length;
-} VideoCaptureArray;
+typedef ARRAY(VideoCaptureArray, VideoCapture);
 
 typedef GLFWwindow Window;
 
@@ -137,10 +146,12 @@ typedef struct SharedContext {
   double time;
   unsigned int fps;
   float tempo;
+  // TODO use array
   unsigned int state[MAX_FRAG];
   unsigned int page;
   unsigned int selected;
   unsigned int active[ARRAY_SIZE];
+  vec3 values[ARRAY_SIZE];
   bool demo;
   unsigned int seeds[MAX_FRAG];
   bool monitor;
@@ -153,16 +164,19 @@ typedef struct SharedContext {
 
 typedef struct StateConfig {
   unsigned int state_max;
-  unsigned int src_count;
 
   UintArray select_page_codes;
   UintArray select_item_codes;
   UintArray select_frag_codes;
+  // TODO rename input_xxx
+  UintArray src_active_counts;
   UintArray src_active_offsets;
   UintArray src_active_codes;
+  UintArray src_counts;
   UintArray src_offsets;
   UintArray src_codes;
   UintArray fader_codes;
+  UintArray values_offsets;
 
   unsigned int tap_tempo_code;
 } StateConfig;