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GPU/Internal Registers (edit)

Revision as of 04:16, 3 December 2015

3,948 bytes added ,  04:16, 3 December 2015
→‎Framebuffer registers
Line 5,350: Line 5,350:     
== Framebuffer registers ==
 
== Framebuffer registers ==
 +
 +
=== GPUREG_COLOR_OPERATION ===
 +
 +
{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0-1
 +
| Fragment operation mode
 +
|-
 +
| 8
 +
| Blend mode
 +
|-
 +
| 16-23
 +
| 0xE4
 +
|}
 +
 +
Fragment operation mode values:
 +
 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| Default
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|-
 +
| 1
 +
| Gas
 +
|-
 +
| 3
 +
| Shadow
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|}
 +
 +
Blend mode values:
 +
 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| Logic op
 +
|-
 +
| 1
 +
| Blend
 +
|}
 +
 +
=== GPUREG_BLEND_FUNC ===
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 +
{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0-2
 +
| RGB equation
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|-
 +
| 8-10
 +
| Alpha equation
 +
|-
 +
| 16-19
 +
| RGB source function
 +
|-
 +
| 20-23
 +
| RGB destination function
 +
|-
 +
| 24-27
 +
| Alpha source function
 +
|-
 +
| 28-31
 +
| Alpha destination function
 +
|}
 +
 +
Equation values:
 +
 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| Add
 +
|-
 +
| 1
 +
| Subtract
 +
|-
 +
| 2
 +
| Reverse subtract
 +
|-
 +
| 3
 +
| Minimum
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|-
 +
| 4
 +
| Maximum
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|}
 +
 +
Function values:
 +
 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| Zero
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|-
 +
| 1
 +
| One
 +
|-
 +
| 2
 +
| Source color
 +
|-
 +
| 3
 +
| One minus source color
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|-
 +
| 4
 +
| Destination color
 +
|-
 +
| 5
 +
| One minus destination color
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|-
 +
| 6
 +
| Source alpha
 +
|-
 +
| 7
 +
| One minus source alpha
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|-
 +
| 8
 +
| Destination alpha
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|-
 +
| 9
 +
| One minus destination alpha
 +
|-
 +
| 10
 +
| Constant color
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|-
 +
| 11
 +
| One minus constant color
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|-
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| 12
 +
| Constant alpha
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|-
 +
| 13
 +
| One minus constant alpha
 +
|-
 +
| 14
 +
| Source alpha saturate
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|}
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 +
=== GPUREG_LOGIC_OP ===
 +
 +
{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0-3
 +
| Logic op
 +
|}
 +
 +
Logic op values:
 +
 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| Clear
 +
|-
 +
| 1
 +
| AND
 +
|-
 +
| 2
 +
| Reverse AND
 +
|-
 +
| 3
 +
| Copy
 +
|-
 +
| 4
 +
| Set
 +
|-
 +
| 5
 +
| Inverted copy
 +
|-
 +
| 6
 +
| Noop
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|-
 +
| 7
 +
| Invert
 +
|-
 +
| 8
 +
| NAND
 +
|-
 +
| 9
 +
| OR
 +
|-
 +
| 10
 +
| NOR
 +
|-
 +
| 11
 +
| XOR
 +
|-
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| 12
 +
| Equivalent
 +
|-
 +
| 13
 +
| Inverted AND
 +
|-
 +
| 14
 +
| Reverse OR
 +
|-
 +
| 15
 +
| Inverted OR
 +
|}
 +
 +
=== GPUREG_BLEND_COLOR ===
 +
 +
{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0-7
 +
| Red
 +
|-
 +
| 8-15
 +
| Green
 +
|-
 +
| 16-23
 +
| Blue
 +
|-
 +
| 24-31
 +
| Alpha
 +
|}
 +
 +
=== GPUREG_FRAGOP_ALPHA_TEST ===
 +
 +
{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0
 +
| Enabled (0 = disabled, 1 = enabled)
 +
|-
 +
| 4-6
 +
| Function
 +
|-
 +
| 8-15
 +
| Reference value
 +
|}
 +
 +
Function values:
 +
 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| Never
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|-
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| 1
 +
| Always
 +
|-
 +
| 2
 +
| Equal
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|-
 +
| 3
 +
| Not equal
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|-
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| 4
 +
| Less than
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|-
 +
| 5
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| Less than or equal
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|-
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| 6
 +
| Greater than
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|-
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| 7
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| Greater than or equal
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|}
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 +
=== GPUREG_STENCIL_TEST ===
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 +
{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0
 +
| Enabled (0 = disabled, 1 = enabled)
 +
|-
 +
| 4-6
 +
| Function
 +
|-
 +
| 8-15
 +
| Buffer mask
 +
|-
 +
| 16-23
 +
| Reference value
 +
|-
 +
| 24-31
 +
| Mask
 +
|}
 +
 +
Function values:
 +
 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| Never
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|-
 +
| 1
 +
| Always
 +
|-
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| 2
 +
| Equal
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|-
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| 3
 +
| Not equal
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|-
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| 4
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| Less than
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|-
 +
| 5
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| Less than or equal
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|-
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| 6
 +
| Greater than
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|-
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| 7
 +
| Greater than or equal
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|}
 +
 +
=== GPUREG_STENCIL_OP ===
 +
 +
{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0-2
 +
| Fail operation
 +
|-
 +
| 4-6
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| Z-fail operation
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|-
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| 8-10
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| Z-pass operation
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|}
 +
 +
Operation values:
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 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
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| 0
 +
| Keep
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|-
 +
| 1
 +
| Zero
 +
|-
 +
| 2
 +
| Replace
 +
|-
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| 3
 +
| Increment
 +
|-
 +
| 4
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| Decrement
 +
|-
 +
| 5
 +
| Invert
 +
|-
 +
| 6
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| Increment and wrap
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|-
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| 7
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| Decrement and wrap
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|}
 +
 +
=== GPUREG_DEPTH_COLOR_MASK ===
 +
 +
{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0
 +
| Depth test enabled (0 = disabled, 1 = enabled)
 +
|-
 +
| 4-6
 +
| Depth function
 +
|-
 +
| 8
 +
| Red write enabled (0 = disabled, 1 = enabled)
 +
|-
 +
| 9
 +
| Green write enabled (0 = disabled, 1 = enabled)
 +
|-
 +
| 10
 +
| Blue write enabled (0 = disabled, 1 = enabled)
 +
|-
 +
| 11
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| Alpha write enabled (0 = disabled, 1 = enabled)
 +
|-
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| 12
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| Depth write enabled (0 = disabled, 1 = enabled)
 +
|}
 +
 +
Depth function values:
 +
 +
{| class="wikitable" border="1"
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| Never
 +
|-
 +
| 1
 +
| Always
 +
|-
 +
| 2
 +
| Equal
 +
|-
 +
| 3
 +
| Not equal
 +
|-
 +
| 4
 +
| Less than
 +
|-
 +
| 5
 +
| Less than or equal
 +
|-
 +
| 6
 +
| Greater than
 +
|-
 +
| 7
 +
| Greater than or equal
 +
|}
    
=== GPUREG_FRAMEBUFFER_INVALIDATE ===
 
=== GPUREG_FRAMEBUFFER_INVALIDATE ===
Steveice10
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