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GPU/Commands (edit)

Revision as of 01:47, 14 June 2015

363 bytes added ,  01:47, 14 June 2015
→‎Param4 format for command 0x00C0: output scale + texenv buffers?
Line 1,164: Line 1,164:  
!  Description
 
!  Description
 
|-
 
|-
−
| 31-0
+
| 31-18
 +
| To be determined.
 +
|-
 +
| 17-16
 +
| Alpha output scale factor
 +
|-
 +
| 15-2
 
| To be determined
 
| To be determined
 +
|-
 +
| 1-0
 +
| Color output scale factor
 
|}
 
|}
   −
This is used to specify the param for glTexEnv(..., ..., param).
+
{| class="wikitable" border="1"
 +
!  Scale value
 +
!  Corresponding factor
 +
|-
 +
| 0x0
 +
| 1.0
 +
|-
 +
| 0x1
 +
| 2.0
 +
|-
 +
| 0x2
 +
| 4.0
 +
|}
 +
 
 +
Probably also has something to do with Texenv buffer registers [[:GPU_Internal_Registers#GPUREG_00FD|PICA_REG_TEX_ENV_BUF_COLOR]] and [[GPU_Internal_Registers#GPUREG_00E0|PICA_REG_TEX_ENV_BUF_INPUT]].
    
=== Parameter value format for command 0x00C4 ===
 
=== Parameter value format for command 0x00C4 ===
Lectem
48

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