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GPU/Procedural Texture Generation (edit)

Revision as of 08:23, 5 December 2015

171 bytes removed ,  08:23, 5 December 2015
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* Frequency
 
* Frequency
 
* Phase
 
* Phase
 +
 +
These parameters are configured starting [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX1|here]].
    
== Repeat Module ==
 
== Repeat Module ==
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== Base Shape ==
 
== Base Shape ==
   −
The U’’ and V’’ coordinates are used to generate a scalar value in the range [0;1] from the wrapped coordinates using one of six functions:
+
The U’’ and V’’ coordinates are used to generate a scalar value in the range [0;1] from the wrapped coordinates using one of six functions documented [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0|here]].
−
* ADDSQRT2: sqrt(U’’*U’’+V’’*V’’) (?)
  −
* U’’: U’’ (discards V’’)
  −
* V’’: V’’ (discards U’’)
  −
* MIN: min(U’’,V’’)
  −
* MAX: max(U’’,V’’)
  −
* ADD: U’’+V’’
      
The output of this function is named "g".
 
The output of this function is named "g".
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* a triangle function
 
* a triangle function
   −
The final texel color is determined by using the value of F(g) as an index into a configurable lookup table (which is presumed to span 3 kilobytes of data).
+
The final texel color is determined by using the value of F(g) as an index into a configurable [[GPU/Internal_Registers#GPUREG_PROCTEX_LUT|lookup table]].
Steveice10
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