Tweak picture shader verxs

shader/dualTwoD/arc.vert

@@ -1,5 +1,5 @@
 #version 450 core
-layout (location = 0) in vec3 pos;
+layout (location = 0) in vec4 pos;
 layout (location = 1) in vec4 col;
 layout (location = 2) in vec3 boxXboxYwidth;
 layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
@@ -7,8 +7,8 @@ out vec4 vCol;
 out vec3 vPos;
 out vec3 vparams;
 void main() {
-  gl_Position = theMat * vec4(pos,1);
+  gl_Position = theMat * pos;
   vCol = col;
   vparams = boxXboxYwidth;
-  vPos = pos;
+  vPos = pos.xyz;
 }

shader/dualTwoD/basic.vert

@@ -1,11 +1,11 @@
 #version 450 core
-layout (location = 0) in vec3 pos;
+layout (location = 0) in vec4 pos;
 layout (location = 1) in vec4 col;
 layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
 out vec4 vCol;
 out vec3 vPos;
 void main() {
-  gl_Position = theMat * vec4(pos,1);
+  gl_Position = theMat * pos;
   vCol = col;
-  vPos = pos;
+  vPos = pos.xyz;
 }

shader/dualTwoD/ellipse.vert

@@ -1,5 +1,5 @@
 #version 450 core
-layout (location = 0) in vec3 pos;
+layout (location = 0) in vec4 pos;
 layout (location = 1) in vec4 col;
 layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
 out vec4 vCol;
@@ -10,6 +10,6 @@ out vec4 vCol;
 //            //          
 void main()
 {
-  gl_Position = vec4(pos,1);
+  gl_Position = pos;
   vCol = col;
 }

shader/picture/charArray.vert

@@ -1,5 +1,5 @@
 #version 450 core
-layout (location = 0) in vec3 inPos;
+layout (location = 0) in vec4 pos;
 layout (location = 1) in vec4 inColor;
 //layout (location = 2) in vec4 inTexCoord;
 layout (location = 2) in vec3 inTexCoord;
@@ -8,7 +8,7 @@ out vec4 vColor;
 out vec3 vTexCoord;
 void main()
 {
-    gl_Position = theMat * vec4(inPos.xyz, 1.0);
+    gl_Position = theMat * pos;
     vColor = inColor;
     //vTexCoord = inTexCoord.xyz;
     vTexCoord = inTexCoord;