GPU Classes

Subchannels:

Id	Subchannel (nvn)	Name
0xB197	0	3D
0xB1C0	1	Compute
0xA140	2	Inline-to-Memory
0x902D	3	2D
0xB0B5	4	DMA

3D

Register	Name	Type	Notes
0xC9	Tesselation_OuterLevel0
0xCA	Tesselation_OuterLevel1
0xCB	Tesselation_OuterLevel2
0xCC	Tesselation_OuterLevel3
0xCD	Tesselation_InnerLevel0
0xCE	Tesselation_InnerLevel1
0xDF	RasterizerDiscard_Enable	bool
0x1D1	TransformFeedback_Pause
0x1FA-0x1FB	ZCullCtx_Addr0	iova_t
0x1FC-0x1FD	ZCullCtx_Addr1	iova_t
0x285+8*N	DepthRange_Unk0_N
0x302+4*N	DepthRange_Unk1_N
0x303+4*N	DepthRange_Unk2_N
0x373	PatchSize		Small value, always fits in 12 bits.
0x374			0 written here for "simple" BlendState.
0x381+4*N	Scissor0_N
0x382+4*N	Scissor1_N
0x3D5	StencilMask1_Ref	bool
0x3D6	StencilMask1_Enable	bool
0x3D7	StencilMask1_ValueMask	bool
0x3E7	DepthBounds_Bound0	float
0x3E8	DepthBounds_Bound1	float
0x3EF	SampleMask0
0x3F0	SampleMask1
0x3F1	SampleMask2
0x3F2	SampleMask3
0x3F6	CoverageModulation_Enable	bool
0x40C	CoverageModulation_Table0	float
0x40D	CoverageModulation_Table1	float
0x40E	CoverageModulation_Table2	float
0x40F	CoverageModulation_Table3	float
0x452	Raster_Enable	bool
0x4B3	DepthStencil_Config0	bool	If set to 1, it enables DepthStencil_Config1 and DepthStencil_Config2.
0x4BA	DepthStencil_Config1
0x4C3	DepthStencil_Config2		0-15 is written here.
0x4B9			1 written here for "simple" BlendState.
0x4BB			BindColorState writes 0 or 1 here.
0x4C5			BindColorState sometimes writes here a value between 0-15.
0x4E0			0 is sometimes written here during BindDepthStencil.
0x4E5	StencilMask0_Ref	bool
0x4E6	StencilMask0_ValueMask	bool
0x4E7	StencilMask0_Enable	bool
0x4EC	LineWidth0
0x4ED	LineWidth1
0x4C4	AlphaRef	float
0x4C7	BlendColor0
0x4C8	BlendColor1
0x4C9	BlendColor2
0x4CA	BlendColor3
0x47F	DepthBuffer_Resolve		1 is written here to trigger.
0x519	ZCullCtx_Save		0 is written here to trigger ctx-save, uses both ZCullCtx_Addr0/1.
0x51F	PolygonOffsetClamp0	float
0x540	ZCullCtx_Restore		0 is written here to trigger ctx-restore, uses both ZCullCtx_Addr0/1.
0x546	PointSize	float
0x554-0x555	RendererEnableConditionAddr	iova_t
0x556	RendererEnable		0=disabled unconditional, 1=enabled unconditional, 3=unknown conditional, 4=unknown conditional,
0x54C	Counter_Reset		Value written decides which counter to reset.
0x55B	PolygonOffsetClamp1	float
0x56F	PolygonOffsetClamp2	float	Float multiplied by 2 is written here.
0x591	PrimitiveRestart_Enable	bool
0x592	PrimitiveRestart_Value
0x64F	DepthClamp		0x101A is written when enabled, 0x181D when disabled.
0x66F	DepthBounds_Enable	bool
0x671			Sometimes used by BindColorState.
0x68B	Barrier?		Always 0 is written here. During zcull ctx-save, spammed when enabling raster, ...
0x6C0-0x6C1	Poke_Addr	iova_t
0x6C2	Poke_WriteVal		0 is written here during most queries.
0x6C3	Poke_Control		Big bitfield. After write, the result of query is written to 4 bytes at Poke_Addr.
0x781+8*N	BlendState_N		TODO, N = {0, ..., 7}
0x782+8*N	BlendState_N		TODO
0x783+8*N	BlendState_N		TODO
0x784+8*N	BlendState_N		TODO
0x785+8*N	BlendState_N		TODO
0x786+8*N	BlendState_N		TODO
0xD34			Used by SetConservativeRasterDilate.
0xD35	BlendState		TODO: Bitfield
0xE00-0xE01	TransformFeedback_Addr	iova_t
0xE0A			Used by SetConservativeRasterDilate.
0xE0B			Used by SetConservativeRasterDilate.
0xE10			Sometimes used by BindColorState.
0xE12	BindChannelMaskState_Unk0
0xE13	BindChannelMaskState_Unk1
0xE1A	DepthStencil_Config3
0xE20			Another barrier? Used by SetConservativeRasterDilate.
0xE2A	DebugGroupPush_DynamicControl
0xE2B	DebugGroupPush_DynamicValue		This one can be written a variable number of times.
0xE2C	DebugGroupPush_StaticControl
0xE2D	DebugGroupPush_StaticValue		This is written 3 times after DebugGroupPush_StaticControl.
0xE2E	DebugGroupPop_Control
0xE2F	DebugGroupPop_GroupId		This is written once after DebugGroupPop_Control.

TODO: SetRenderTargets, SetSubpixelPrecisionBias, SetTiledCacheAction, SetTiledCacheTileSize, SetViewports, UpdateUniformBuffer, TiledDownSample

DMA

Register	Name	Notes
0x0C0	Dma_Control	With 0x186 Src/DstStride is not used.
0x100	Dma_SrcAddrHi
0x101	Dma_SrcAddrLo
0x102	Dma_DstAddrHi
0x103	Dma_DstAddrLo
0x104	Dma_SrcStride?
0x105	Dma_DstStride?
0x106	Dma_Count	At most 0x3FFFFF.