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GPU/Internal Registers: Difference between revisions

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Line 4,448: Line 4,448:
| unsigned, Clear texture cache (0 = don't clear, 1 = clear)
| unsigned, Clear texture cache (0 = don't clear, 1 = clear)
|-
|-
| 17
| 17-31
| 0x0
| 0x0
|}
|}
This register is used to enable texture units.


Texture 3 coordinates values:
Texture 3 coordinates values:
Line 4,499: Line 4,501:
| unsigned, Alpha
| unsigned, Alpha
|}
|}
This register is used to set a texture unit's border color.


=== GPUREG_TEXUNIT''i''_DIM ===
=== GPUREG_TEXUNIT''i''_DIM ===
Line 4,512: Line 4,516:
| unsigned, Width
| unsigned, Width
|}
|}
This register is used to set a texture unit's dimensions.


=== GPUREG_TEXUNIT''i''_PARAM ===
=== GPUREG_TEXUNIT''i''_PARAM ===
Line 4,534: Line 4,540:
| unsigned, Wrap S
| unsigned, Wrap S
|-
|-
| 16
| 16-17
| 0x0
| 0x0
|-
|-
Line 4,546: Line 4,552:
| unsigned, Type (Texture 0 only)
| unsigned, Type (Texture 0 only)
|}
|}
This register is used to set a texture unit's extra parameters.


Filter values:
Filter values:
Line 4,619: Line 4,627:
| unsigned, Min Level
| unsigned, Min Level
|}
|}
This register is used to configure a texture unit's level of detail.


=== GPUREG_TEXUNIT''i''_ADDR''i'' ===
=== GPUREG_TEXUNIT''i''_ADDR''i'' ===
Line 4,639: Line 4,649:
| unsigned, Texture physical address >> 3 (upper 6 bits reused from first ADDR register)
| unsigned, Texture physical address >> 3 (upper 6 bits reused from first ADDR register)
|}
|}
This register is used to set a texture unit's physical address(es) in memory.


If the texture is a cube:
If the texture is a cube:
Line 4,679: Line 4,691:
| fixed0.0.24, Z bias (upper 23 bits)
| fixed0.0.24, Z bias (upper 23 bits)
|}
|}
This register is used to set a texture unit's shadow texture properties.


=== GPUREG_TEXUNIT''i''_TYPE ===
=== GPUREG_TEXUNIT''i''_TYPE ===
Line 4,689: Line 4,703:
| unsigned, [[GPU_Textures#Texture_color_types|Format]]
| unsigned, [[GPU_Textures#Texture_color_types|Format]]
|}
|}
This register is used to set a texture unit's data format.


=== GPUREG_LIGHTING_ENABLE0 ===
=== GPUREG_LIGHTING_ENABLE0 ===
Line 4,699: Line 4,715:
| unsigned, Enabled (0 = disabled, 1 = enabled)
| unsigned, Enabled (0 = disabled, 1 = enabled)
|}
|}
This register is used to enable lighting.


=== GPUREG_TEXUNIT3_PROCTEX0 ===
=== GPUREG_TEXUNIT3_PROCTEX0 ===
Line 4,733: Line 4,751:
| float1.5.10, Texture bias (lower 8 bits)
| float1.5.10, Texture bias (lower 8 bits)
|}
|}
This register is used to configure the procedural texture unit.


Clamp values:
Clamp values:
Line 4,821: Line 4,841:
| float1.5.10, U-direction noise phase
| float1.5.10, U-direction noise phase
|}
|}
This register is used to configure the procedural texture unit's U-direction noise amplitude/phase.


=== GPUREG_TEXUNIT3_PROCTEX2 ===
=== GPUREG_TEXUNIT3_PROCTEX2 ===
Line 4,834: Line 4,856:
| float1.5.10, V-direction noise phase
| float1.5.10, V-direction noise phase
|}
|}
This register is used to configure the procedural texture unit's V-direction noise amplitude/phase.


=== GPUREG_TEXUNIT3_PROCTEX3 ===
=== GPUREG_TEXUNIT3_PROCTEX3 ===
Line 4,847: Line 4,871:
| float1.5.10, V-direction noise frequency
| float1.5.10, V-direction noise frequency
|}
|}
This register is used to configure the procedural texture unit's U-direction and V-direction noise frequency.


=== GPUREG_TEXUNIT3_PROCTEX4 ===
=== GPUREG_TEXUNIT3_PROCTEX4 ===
Line 4,866: Line 4,892:
| float1.5.10, Texture bias (upper 8 bits)
| float1.5.10, Texture bias (upper 8 bits)
|}
|}
This register is used to configure the procedural texture unit.


Minification filter values:
Minification filter values:
Line 4,904: Line 4,932:
| 0xE0C080
| 0xE0C080
|}
|}
This register is used to set the procedural texture unit's offset.


=== GPUREG_PROCTEX_LUT ===
=== GPUREG_PROCTEX_LUT ===
Line 4,917: Line 4,947:
| unsigned, Reference table
| unsigned, Reference table
|}
|}
This register is used to set which look-up table to write to, with GPUREG_PROCTEX_LUT_DATA''i'', at what index.


Reference table values:
Reference table values:
Line 5,058: Line 5,090:
| unsigned, Alpha source 2
| unsigned, Alpha source 2
|}
|}
This register configures a texture combiner's sources.


Source values:
Source values:
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| unsigned, Alpha operand 2
| unsigned, Alpha operand 2
|}
|}
This register configures a texture combiner's operands.


RGB operand values:
RGB operand values:
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| unsigned, Alpha combine
| unsigned, Alpha combine
|}
|}
This register configures a texture combiner's combine mode.


Combine values:
Combine values:
Line 5,257: Line 5,295:
| unsigned, Alpha
| unsigned, Alpha
|}
|}
This register configures a texture combiner's constant color.


=== GPUREG_TEXENV''i''_SCALE ===
=== GPUREG_TEXENV''i''_SCALE ===
Line 5,270: Line 5,310:
| unsigned, Alpha scale
| unsigned, Alpha scale
|}
|}
This register configures a texture combiner's scale value.


Scale values:
Scale values:
Line 5,330: Line 5,372:
|}
|}


This register is shared between the gas/fog mode configuration and TexEnv buffer inputs. TexEnv buffer inputs are typically written with a mask of 0x2, and the gas/fog mode configuration is typically written with a mask of 0x5.
This register is shared between the gas/fog mode configuration and texture combiner buffer inputs. Texture combiner buffer inputs are typically written with a mask of 0x2, and the gas/fog mode configuration is typically written with a mask of 0x5.


Fog mode values:
Fog mode values:
Line 5,389: Line 5,431:
| unsigned, Blue
| unsigned, Blue
|}
|}
This register is used to configure the color of fog.


=== GPUREG_GAS_ATTENUATION ===
=== GPUREG_GAS_ATTENUATION ===
Line 5,399: Line 5,443:
| float1.5.10, Gas density attenuation
| float1.5.10, Gas density attenuation
|}
|}
This register is used to configure the gas density attenuation.


=== GPUREG_GAS_ACCMAX ===
=== GPUREG_GAS_ACCMAX ===
Line 5,409: Line 5,455:
| float1.5.10, Gas maximum density accumulation
| float1.5.10, Gas maximum density accumulation
|}
|}
This register is used to configure the gas maximum density accumulation.


=== GPUREG_FOG_LUT_INDEX ===
=== GPUREG_FOG_LUT_INDEX ===
Line 5,419: Line 5,467:
| unsigned, Index
| unsigned, Index
|}
|}
This register is used to set what index to write to with GPUREG_FOG_LUT_DATA''i''.


=== GPUREG_FOG_LUT_DATA''i'' ===
=== GPUREG_FOG_LUT_DATA''i'' ===
Line 5,464: Line 5,514:
| unsigned, Alpha
| unsigned, Alpha
|}
|}
This register is used to configure the texture combiner buffer color.


== Framebuffer registers ==
== Framebuffer registers ==
Retrieved from "https://www.3dbrew.org/wiki/GPU/Internal_Registers"