Drew a triangle

shaders/flat.frag

@@ -0,0 +1,10 @@
+#version 330 core
+
+// uniform vec3 color;
+
+out vec4 FragColor;
+
+void main() {
+  //FragColor = vec4(color, 1.0);
+  FragColor = vec4(1.0, 0.0, 0.0, 1.0);
+}

shaders/flat.vert

@@ -0,0 +1,12 @@
+#version 330 core
+
+layout (location = 0) in vec3 pos;
+
+// uniform mat4 MODEL;
+// uniform mat4 VIEW;
+// uniform mat4 PROJECTION;
+
+void main() {
+  //gl_Position = MODEL * VIEW * PROJECTION * vec4(pos, 1.0);
+  gl_Position = vec4(pos, 1.0);
+}