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-rw-r--r--examples/resources/shaders/glsl330/lighting_instancing.vs36
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diff --git a/examples/resources/shaders/glsl330/lighting_instancing.vs b/examples/resources/shaders/glsl330/lighting_instancing.vs
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+++ b/examples/resources/shaders/glsl330/lighting_instancing.vs
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+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+in vec2 vertexTexCoord;
+in vec3 vertexNormal;
+//in vec4 vertexColor; // Not required
+
+in mat4 instanceTransform;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 matNormal;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+out vec2 fragTexCoord;
+out vec4 fragColor;
+out vec3 fragNormal;
+
+// NOTE: Add here your custom variables
+
+void main()
+{
+ // Compute MVP for current instance
+ mat4 mvpi = mvp*instanceTransform;
+
+ // Send vertex attributes to fragment shader
+ fragPosition = vec3(mvpi*vec4(vertexPosition, 1.0));
+ fragTexCoord = vertexTexCoord;
+ //fragColor = vertexColor;
+ fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0)));
+
+ // Calculate final vertex position
+ gl_Position = mvpi*vec4(vertexPosition, 1.0);
+}