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Created page with "Category:GFX == Overview == Instructions are coded in little endian == Instruction formats == Format 1 : (used for register instructions) {| class="wikitable" border="1" |..."
[[Category:GFX]]
== Overview ==
Instructions are coded in little endian
== Instruction formats ==
Format 1 : (used for register instructions)
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x6
| Operand descriptor ID (DESC)
|-
| 0x6
| 0x6
| Source 1 register (SRC2)
|-
| 0xC
| 0x6
| Source 2 register (SRC1)
|-
| 0x12
| 0x2
| Flags
|-
| 0x24
| 0x2
| Destination register (DST)
|-
| 0x1A
| 0x6
| Opcode
|}
Format 2 : (used for flow control instructions)
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x8
| Number of instructions ? (NUM)
|-
| 0x8
| 0x10?
| Destination offset (DST)
|-
| 0x1A
| 0x6
| Opcode
|}
== Instructions ==
{| class="wikitable" border="1"
|-
! Opcode
! Format
! Name
! Description
|-
| 0x02
| 1
| DP4
| Computes dot product on 4-component vectors; DST = SRC1.SRC2
|-
| 0x13
| 1
| MOV
| Moves value; DST = SRC1
|-
| 0x24
| 1
| CALL
| Jumps to DST and executes NUM instructions
|-
| 0x21
| 1
| END2
| ?
|-
| 0x22
| 1
| END1
| ?
|}
== Operand descriptors ==
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x4
| Destination component mask. Bit 3 = x, 2 = y, 1 = z, 0 = w.
|-
| 0x5
| 0x8
| Source 1 component selector
|-
| 0x14
| 0x8
| Source 2 component selector
|-
| 0x1F
| 0x1
| Flag
|}
Component selector :
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x2
| Component 3 value
|-
| 0x2
| 0x2
| Component 2 value
|-
| 0x4
| 0x2
| Component 1 value
|-
| 0x6
| 0x2
| Component 0 value
|}
The component selector enables swizzling.
== Overview ==
Instructions are coded in little endian
== Instruction formats ==
Format 1 : (used for register instructions)
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x6
| Operand descriptor ID (DESC)
|-
| 0x6
| 0x6
| Source 1 register (SRC2)
|-
| 0xC
| 0x6
| Source 2 register (SRC1)
|-
| 0x12
| 0x2
| Flags
|-
| 0x24
| 0x2
| Destination register (DST)
|-
| 0x1A
| 0x6
| Opcode
|}
Format 2 : (used for flow control instructions)
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x8
| Number of instructions ? (NUM)
|-
| 0x8
| 0x10?
| Destination offset (DST)
|-
| 0x1A
| 0x6
| Opcode
|}
== Instructions ==
{| class="wikitable" border="1"
|-
! Opcode
! Format
! Name
! Description
|-
| 0x02
| 1
| DP4
| Computes dot product on 4-component vectors; DST = SRC1.SRC2
|-
| 0x13
| 1
| MOV
| Moves value; DST = SRC1
|-
| 0x24
| 1
| CALL
| Jumps to DST and executes NUM instructions
|-
| 0x21
| 1
| END2
| ?
|-
| 0x22
| 1
| END1
| ?
|}
== Operand descriptors ==
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x4
| Destination component mask. Bit 3 = x, 2 = y, 1 = z, 0 = w.
|-
| 0x5
| 0x8
| Source 1 component selector
|-
| 0x14
| 0x8
| Source 2 component selector
|-
| 0x1F
| 0x1
| Flag
|}
Component selector :
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x2
| Component 3 value
|-
| 0x2
| 0x2
| Component 2 value
|-
| 0x4
| 0x2
| Component 1 value
|-
| 0x6
| 0x2
| Component 0 value
|}
The component selector enables swizzling.