From e5511608cce3236277266d67ddf521ac80df246b Mon Sep 17 00:00:00 2001
From: Christoph Helma <helma@in-silico.ch>
Date: Thu, 15 Feb 2018 19:35:16 +0100
Subject: cc params

---
 shader.frag |  3 ++-
 sv.c        | 51 ++++++++++++++++++++++++++++++++++++++++++---------
 2 files changed, 44 insertions(+), 10 deletions(-)

diff --git a/shader.frag b/shader.frag
index 4bb6810..5492a95 100644
--- a/shader.frag
+++ b/shader.frag
@@ -7,7 +7,7 @@ uniform vec2 resolution;
 uniform float ticks;
 uniform int program;
 
-uniform sampler2D images[4];
+uniform sampler2D images[8];
 layout (binding = 0,rgba32f) uniform image2D backbuffer;
 uniform float ratios[4];
 uniform int idx[2];
@@ -31,5 +31,6 @@ void main (void) {
   img = texture2D(images[idx[0]],st);
   st = coordinates(idx[1]);
   img = pow(img, texture2D(images[idx[1]],st));
+  img.rgb = img.rgb*params[0];
   fragColor = img;
 }
diff --git a/sv.c b/sv.c
index 338509d..6f72e0c 100644
--- a/sv.c
+++ b/sv.c
@@ -41,14 +41,14 @@ typedef struct Img {
   int new;
 } Image;
 
-Image images[4];
+Image images[8];
 
 typedef struct Param {
   float value;
   int new;
 } Parameter;
 
-Parameter parameters[4];
+Parameter params[4];
 
 static snd_seq_t *seq_handle;
 static int in_port;
@@ -189,7 +189,7 @@ void readImage(int i) {
 }
 
 void updateImages(int force) {
-  for (int i = 0; i<4; i++) {
+  for (int i = 0; i<8; i++) {
     if (images[i].new || force) {
       readImage(i);
       printf("%s\n",images[i].path);
@@ -201,9 +201,9 @@ void updateImages(int force) {
 void updateParams(int force) {
   glUniform1i(glGetUniformLocation(shader.id, "bars"), bars);
   for (int i = 0; i<4; i++) {
-    if (parameters[i].new || force) {
-      glUniform1f(glGetUniformLocation(shader.id, "params")+i, parameters[i].value);
-      parameters[i].new = 0;
+    if (params[i].new || force) {
+      glUniform1f(glGetUniformLocation(shader.id, "params")+i, params[i].value);
+      params[i].new = 0;
     }
   }
 }
@@ -243,6 +243,18 @@ void *readMidi() {
       else if (j == 5) {
         idx[i] = 3; vel[i] = (float)v/127.0;
       }
+      else if (j == 7) {
+        idx[i] = 4; vel[i] = (float)v/127.0;
+      }
+      else if (j == 9) {
+        idx[i] = 5; vel[i] = (float)v/127.0;
+      }
+      else if (j == 11) {
+        idx[i] = 6; vel[i] = (float)v/127.0;
+      }
+      else if (j == 12) {
+        idx[i] = 7; vel[i] = (float)v/127.0;
+      }
       
     }
     else if (ev->type == SND_SEQ_EVENT_NOTEOFF) {
@@ -269,11 +281,32 @@ void *readMidi() {
       else if (j == 5) {
         idx[i] = 3; vel[i] = 0;
       }
+      else if (j == 7) {
+        idx[i] = 4; vel[i] = 0;
+      }
+      else if (j == 9) {
+        idx[i] = 5; vel[i] = 0;
+      }
+      else if (j == 11) {
+        idx[i] = 6; vel[i] = 0;
+      }
+      else if (j == 12) {
+        idx[i] = 7; vel[i] = 0;
+      }
     }
-    else if(ev->type == SND_SEQ_EVENT_CONTROLLER)
+    else if(ev->type == SND_SEQ_EVENT_CONTROLLER) {
+      int p = ev->data.control.param;
+      int v = ev->data.control.value;
+      if (p < 4) {
+        params[p].value = (float)v/127;
+        params[p].new = 1;
+      }
+      /*
         printf("[%d] Control:  %2x val(%2x)\n", ev->time.tick,
                                                 ev->data.control.param,
                                                 ev->data.control.value);
+                                                */
+    }
     else if(ev->type == SND_SEQ_EVENT_SONGPOS) {
       ticks = ev->data.control.value*24;
         printf("[%d] SPP:  %i val(%i)\n", ev->time.tick,
@@ -317,8 +350,8 @@ void *readStdin() {
     }
     else if (n[0] == 'p') {
       int i = atoi(strtok(NULL," "));
-      parameters[i].value = atof(strtok (NULL,"\n"));
-      parameters[i].new = 1;
+      params[i].value = atof(strtok (NULL,"\n"));
+      params[i].new = 1;
     }
     else if (n[0] == 'q') {
       glfwSetWindowShouldClose(window, GL_TRUE);
-- 
cgit v1.2.3