Technically refactored.

assets/shared/shaders/singlerenderlist.frag

@@ -0,0 +1,10 @@
+#version 330 core
+
+in vec2 TexCoord;
+uniform sampler2D u_Text;
+out vec4 FragColor;
+
+void main() {
+  vec4 color1 = texture(u_Text, TexCoord);
+  FragColor = color1;
+}

assets/shared/shaders/singlerenderlist.vert

@@ -10,11 +10,11 @@ layout (location = 1) in vec2 aTexCoord;
 
 uniform mat4 u_Proj;
 uniform mat4 u_View;
-uniform mat4 u_Modl;
+uniform mat4 u_Model;
 
 out vec2 TexCoord;
 
 void main() {
-  gl_Position = u_Proj * u_View * u_Modl * vec4(aPos, 1.0);
+  gl_Position = u_Proj * u_View * u_Model * vec4(aPos, 1.0);
   TexCoord = vec2(aTexCoord.x, aTexCoord.y);
 }

assets/shared/shaders/test.frag

@@ -1,12 +0,0 @@
-#version 330 core
-
-in vec2 TexCoord;
-uniform sampler2D u_Text0;
-uniform sampler2D u_Text1;
-out vec4 FragColor;
-
-void main() {
-  vec4 color1 = texture(u_Text0, TexCoord);
-  vec4 color2 = texture(u_Text1, TexCoord);
-  FragColor = color1 + color2;
-}

assets/shared/shaders/textured.frag

@@ -2,10 +2,9 @@
 
 in vec2 TexCoord;
 uniform sampler2D u_Text;
-uniform vec4 u_Colr;
 out vec4 FragColor;
 
 void main() {
   vec4 color = texture(u_Text, TexCoord);
-  FragColor = color * u_Colr;
+  FragColor = color;
 }

assets/shared/shaders/textured.vert

@@ -10,11 +10,11 @@ layout (location = 1) in vec2 aTexCoord;
 
 uniform mat4 u_Proj;
 uniform mat4 u_View;
-uniform mat4 u_Modl;
+uniform mat4 u_Model;
 
 out vec2 TexCoord;
 
 void main() {
-  gl_Position = u_Proj * u_View * u_Modl * vec4(aPos, 1.0);
+  gl_Position = u_Proj * u_View * u_Model * vec4(aPos, 1.0);
   TexCoord = vec2(aTexCoord.x, aTexCoord.y);
 }