Fixed whatever was wrong with my shader

src/dawn/display/mesh/QuadMesh.cpp

@@ -50,6 +50,33 @@ void QuadMesh::bufferQuadMesh(
   );
 }
 
+void QuadMesh::bufferCoordinates(
+  Mesh *mesh,
+  glm::vec2 uv0, glm::vec2 uv1,
+  int32_t verticeStart
+) {
+  assertNotNull(mesh);
+  mesh->bufferCoordinates(verticeStart, std::array<glm::vec2, QUAD_VERTICE_COUNT>{{
+    uv0, glm::vec2(uv1.x, uv0.y),
+    glm::vec2(uv0.x, uv1.y), uv1
+  }});
+}
+
+void QuadMesh::bufferPositions(
+  Mesh *mesh,
+  glm::vec2 xy0, glm::vec2 xy1,
+  int32_t verticeStart
+) {
+  mesh->bufferPositions(
+    verticeStart, std::array<glm::vec3, QUAD_VERTICE_COUNT>{{
+      glm::vec3(xy0, 0),
+      glm::vec3(xy1.x, xy0.y, 0),
+      glm::vec3(xy0.x, xy1.y, 0),
+      glm::vec3(xy1, 0)
+    }}
+  );
+}
+
 void QuadMesh::initQuadMesh(
   Mesh *mesh,
   glm::vec2 xy0, glm::vec2 uv0,

src/dawn/display/mesh/QuadMesh.hpp

@@ -16,7 +16,7 @@ namespace Dawn {
       /**
        * Buffers the vertices of a quad onto a primitive.
        * 
-       * @param primitive The primitive to buffer to.
+       * @param mesh The primitive to buffer to.
        * @param xy0 The lower X and Y coordinate.
        * @param uv0 The lower Xand Y texture coordinate.
        * @param xy1 The higher X and Y coordinate.
@@ -35,7 +35,7 @@ namespace Dawn {
       /**
        * Buffers the vertices of a quad onto a primitive.
        * 
-       * @param primitive The primitive to buffer to.
+       * @param mesh The primitive to buffer to.
        * @param xy0 The lower X and Y coordinate.
        * @param uv0 The lower Xand Y texture coordinate.
        * @param xy1 The higher X and Y coordinate.
@@ -50,6 +50,44 @@ namespace Dawn {
         int32_t verticeStart, int32_t indiceStart
       );
 
+      /**
+       * Buffers texture coordinates on to an already initialized quad mesh.
+       * 
+       * @param mesh Mesh to buffer the texture coordinates on to.
+       * @param uv0 Lower X and Y coordinates.
+       * @param uv1 Upper X and Y coordinates.
+       * @param verticeStart Start vertice to buffer in to.
+       */
+      static void bufferCoordinates(
+        Mesh *mesh,
+        glm::vec2 uv0, glm::vec2 uv1,
+        int32_t verticeStart
+      );
+
+      /**
+       * Buffers the positions of a quad onto a primitive.
+       * 
+       * @param mesh The primitive to buffer to.
+       * @param xy0 The lower X and Y coordinate.
+       * @param xy1 The higher X and Y coordinate.
+       * @param verticeStart Start vertice to buffer to.
+       */
+      static void bufferPositions(
+        Mesh *mesh,
+        glm::vec2 xy0, glm::vec2 xy1,
+        int32_t verticeStart
+      );
+
+      /**
+       * Initializes a mesh to be a single quad.
+       * 
+       * @param mesh The primitive to buffer to.
+       * @param xy0 The lower X and Y coordinate.
+       * @param uv0 The lower Xand Y texture coordinate.
+       * @param xy1 The higher X and Y coordinate.
+       * @param uv1 The higher X and Y texture coordinate.
+       * @param z The Z position of the coordinates.
+       */
       static void initQuadMesh(
         Mesh *mesh,
         glm::vec2 xy0, glm::vec2 uv0,