Vertex shaders optimization

1 files changed, 3 insertions, 4 deletions

diff --git a/shaders/gl330/phong.vs b/shaders/gl330/phong.vs
index 25163902..ee6d34bf 100644
--- a/shaders/gl330/phong.vs
+++ b/shaders/gl330/phong.vs
@@ -6,8 +6,7 @@ in vec2 vertexTexCoord;
 in vec3 vertexNormal;
 
 // Projection and model data
-uniform mat4 projectionMatrix;
-uniform mat4 modelviewMatrix;
+uniform mat4 mvpMatrix;
 uniform mat4 modelMatrix;
 
 // Attributes to fragment shader
@@ -21,8 +20,8 @@ void main()
     
     // Calculate view vector normal from model
     mat3 normalMatrix = transpose(inverse(mat3(modelMatrix)));
-    fragNormal = normalize(normalMatrix * vertexNormal);
+    fragNormal = normalize(normalMatrix*vertexNormal);
     
     // Calculate final vertex position
-    gl_Position = projectionMatrix * modelviewMatrix * vec4(vertexPosition, 1.0);
+    gl_Position = mvpMatrix*vec4(vertexPosition, 1.0);
 }
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