Color and Alpha in glsl shader instead Gem object

Deleted old audio files

puredata/glsl/gain.ctl.pd

@@ -0,0 +1,20 @@
+#N canvas 360 217 685 451 10;
+#X obj 30 65 t b;
+#X obj 30 43 inlet shader_init;
+#X obj 152 278 outlet shader_data;
+#X obj 152 43 inlet shader_control;
+#X text 325 263 (c)2011 Marian Weger;
+#X obj 152 236 list trim;
+#X obj 152 164 list prepend gain;
+#X obj 152 65 route gain;
+#X obj 152 133 list 1 1 1 1;
+#X obj 152 97 t b a;
+#X connect 0 0 8 0;
+#X connect 1 0 0 0;
+#X connect 3 0 7 0;
+#X connect 5 0 2 0;
+#X connect 6 0 5 0;
+#X connect 7 0 9 0;
+#X connect 8 0 6 0;
+#X connect 9 0 8 0;
+#X connect 9 1 8 1;

puredata/glsl/gain.frag

@@ -0,0 +1,21 @@
+#extension GL_ARB_texture_rectangle : enable
+
+uniform sampler2DRect MyTex; 
+
+uniform vec4 gain;
+
+void main(void)
+{
+
+vec2 pos = (gl_TextureMatrix[0] * gl_TexCoord[0]).st;
+vec4 color_old = texture2DRect(MyTex, vec2(pos.x, pos.y));
+vec4 color_new = color_old;
+
+color_new.r = clamp(gain.r * color_old.r, 0., 1.);
+color_new.g = clamp(gain.g * color_old.g, 0., 1.);
+color_new.b = clamp(gain.b * color_old.b, 0., 1.);
+color_new.a = clamp(gain.a * color_old.a, 0., 1.);
+
+gl_FragColor = color_new;
+
+}

puredata/glsl/gain.vert

@@ -0,0 +1,6 @@
+void main()
+{
+    gl_TexCoord[0] = gl_MultiTexCoord0;
+    gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+
+}