Howto:Shader programming in FlightGear: Difference between revisions

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= Built-ins =
= Built-ins =
== Vertex Shader ==
== Vertex Shader ==
Vertex shader
 
* vec4 gl_Position;  must be written
* vec4 gl_Position;  must be written
* vec4 gl_ClipPosition; may be written
* vec4 gl_ClipPosition; may be written
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