1 files changed, 28 insertions, 0 deletions
diff --git a/shaders/gl330/phong.vs b/shaders/gl330/phong.vs
new file mode 100644
index 00000000..25163902
--- /dev/null
+++ b/shaders/gl330/phong.vs
@@ -0,0 +1,28 @@
+#version 330
+
+// Vertex input data
+in vec3 vertexPosition;
+in vec2 vertexTexCoord;
+in vec3 vertexNormal;
+
+// Projection and model data
+uniform mat4 projectionMatrix;
+uniform mat4 modelviewMatrix;
+uniform mat4 modelMatrix;
+
+// Attributes to fragment shader
+out vec2 fragTexCoord;
+out vec3 fragNormal;
+
+void main()
+{
+    // Send texture coord to fragment shader
+    fragTexCoord = vertexTexCoord;
+    
+    // Calculate view vector normal from model
+    mat3 normalMatrix = transpose(inverse(mat3(modelMatrix)));
+    fragNormal = normalize(normalMatrix * vertexNormal);
+    
+    // Calculate final vertex position
+    gl_Position = projectionMatrix * modelviewMatrix * vec4(vertexPosition, 1.0);
+}
+\ No newline at end of file