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Line 209:
Line 209:
| u32
| u32
| glAlphaFunc()
| glAlphaFunc()
+|-
+| 0x0105
+| u32
+| Stencil test settings
+|-
+| 0x0106
+| u32
+| Stencil replacement operators
|-
|-
| 0x0107
| 0x0107
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Line 1,220:
| GL_OR_INVERTED
| 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 ===
=== Parameter structure for command 0x004D ===