From cbe481d6cb93cc87188d1f791296ba7e74a21b9b Mon Sep 17 00:00:00 2001
From: Christoph Helma <helma@in-silico.ch>
Date: Thu, 15 Feb 2018 19:45:33 +0100
Subject: pgm change

---
 shader.frag |  4 +++-
 sv.c        | 45 +++++++--------------------------------------
 2 files changed, 10 insertions(+), 39 deletions(-)

diff --git a/shader.frag b/shader.frag
index 5492a95..07b7a28 100644
--- a/shader.frag
+++ b/shader.frag
@@ -31,6 +31,8 @@ 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];
+  if (program != 0) {
+    img.rgb = img.rgb*params[0];
+  }
   fragColor = img;
 }
diff --git a/sv.c b/sv.c
index 6f72e0c..93a822d 100644
--- a/sv.c
+++ b/sv.c
@@ -212,6 +212,7 @@ int ticks =0;
 int running = 0;
 int idx[2] = {0,1};
 float vel[2] = {0,0};
+int program;
 
 void *readMidi() {
   midi_open();
@@ -307,6 +308,9 @@ void *readMidi() {
                                                 ev->data.control.value);
                                                 */
     }
+    else if(ev->type == SND_SEQ_EVENT_PGMCHANGE) {
+      program = 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,
@@ -322,40 +326,8 @@ void *readMidi() {
     else if(ev->type == SND_SEQ_EVENT_CLOCK) {
       if (running == 1) ticks++;
     }
-    else
-        printf("[%d] Unknown:  Unhandled Event Received\n", ev->time.tick);
-  }
-}
-
-
-void *readStdin() {
-  while (1) {
-    char * str;
-    size_t l = 80;
-    getline(&str,&l,stdin);
-    char *n = strtok(str," ");
-    if (n[0] == 'i') {
-      int i = atoi(strtok(NULL," "));
-      strncpy(images[i].path, strtok(NULL,"\n"),40);
-      images[i].new = 1;
-    }
-    else if (n[0] == 'f') {
-      strncpy(shader.fragment, strtok(NULL,"\n"),40);
-      shader.new = 1;
-    }
-    else if (n[0] == 'b') {
-      bars = atof(strtok (NULL,"\n"));
-      glfwSetTime(0);	
-      printf("%i\n",bars);
-    }
-    else if (n[0] == 'p') {
-      int i = atoi(strtok(NULL," "));
-      params[i].value = atof(strtok (NULL,"\n"));
-      params[i].new = 1;
-    }
-    else if (n[0] == 'q') {
-      glfwSetWindowShouldClose(window, GL_TRUE);
-    }
+    //else
+        //printf("[%d] Unknown:  Unhandled Event Received\n", ev->time.tick);
   }
 }
 
@@ -384,8 +356,6 @@ int main(int argc, char **argv) {
   glTextureStorage2D(backbuffer,1,GL_RGBA32F,width,height);
   glBindImageTexture(0,backbuffer, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA32F);
   
-  //pthread_t stdin_t;
-  //pthread_create(&stdin_t, NULL, readStdin, NULL);
   pthread_t midiin_t;
   pthread_create(&midiin_t, NULL, readMidi, NULL);
   pthread_t frag_t;
@@ -395,8 +365,7 @@ int main(int argc, char **argv) {
     //glUniform1f(glGetUniformLocation(shader.id, "time"),glfwGetTime());
     //glUniform1f(glGetUniformLocation(shader.id, "time"),glfwGetTime());
     glUniform1f(glGetUniformLocation(shader.id, "ticks"),(float)ticks);
-    //printf("%i\n",note);
-    //glUniform1i(glGetUniformLocation(shader.id, "program"),note-36);
+    glUniform1i(glGetUniformLocation(shader.id, "program"),program);
     for (int i = 0; i<2; i++) { 
       glUniform1i(glGetUniformLocation(shader.id, "idx")+i,idx[i]);
       glUniform1f(glGetUniformLocation(shader.id, "vel")+i,vel[i]);
-- 
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