Additional resources from the Raylib repo.

Examples/resources/shaders/glsl330/gbuffer.vs

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+#version 330 core
+layout (location = 0) in vec3 vertexPosition;
+layout (location = 1) in vec2 vertexTexCoord;
+layout (location = 2) in vec3 vertexNormal;
+
+out vec3 fragPosition;
+out vec2 fragTexCoord;
+out vec3 fragNormal;
+
+uniform mat4 matModel;
+uniform mat4 matView;
+uniform mat4 matProjection;
+
+void main()
+{
+    vec4 worldPos = matModel*vec4(vertexPosition, 1.0);
+    fragPosition = worldPos.xyz;
+    fragTexCoord = vertexTexCoord;
+
+    mat3 normalMatrix = transpose(inverse(mat3(matModel)));
+    fragNormal = normalMatrix*vertexNormal;
+
+    gl_Position = matProjection*matView*worldPos;
+}