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1,329 bytes added ,  21:58, 24 October 2014
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| u32
| glAlphaFunc()
|-
| 0x0105
| u32
| Stencil test settings
|-
| 0x0106
| u32
| Stencil replacement operators
|-
| 0x0107
| GL_OR_INVERTED
|}
 
=== Parameter value format for command 0x0105 ===
This command controls stencil testing.
{| class="wikitable" border="1"
! Bit
! Description
|-
| 0
| Enable stencil test
|-
| 7-4
| Stencil test function (values same as for alpha and depth tests)
|-
| 15-8
| Replacement value, used as specified by command 0x0106
|-
| 23-16
| Reference value for the stencil test. Note that the test does "reference FUNC value".
|-
| 31-24
| Mask for the stencil test.
|}
 
=== Parameter value format for command 0x0106 ===
This command controls stencil buffer replacement.
{| class="wikitable" border="1"
! Bit
! Description
|-
| 2-0
| Action when the stencil test fails
|-
| 6-4
| Action when the stencil test passes but the depth test fails
|-
| 10-8
| Action when both stencil test and depth test pass
|}
 
Action values:
{| class="wikitable" border="1"
! Value
! Final stencil value
|-
| 0
| destination
|-
| 1
| destination & ~source
|-
| 2
| same as 1
|-
| 3
| same as 0
|-
| 4
| destination | source (although not quite. TODO: investigate this one)
|-
| 5
| destination ^ source
|-
| 6
| same as 0
|-
| 7
| same as 4
|}
'destination' is the value present in the stencil buffer, 'source' is the replacement value specified in command 0x0105.
=== Parameter structure for command 0x004D ===
136

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