GPU Classes
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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 | Size | Type | Notes |
|---|---|---|---|---|
| 0 | SetObject | 1 | bitfield | Bit0-15: ClassId, bit16-20: EngineId |
| 0x40 | NoOperation | 1 | ||
| 0x41 | SetNotify | 2 | gpuva | |
| 0x43 | NotifyType | 1 | 0=WriteOnly, 1=WriteThenAwaken | |
| 0x44 | WaitForIdle | 1 | ||
| 0x45 | LoadMmeInstructionRamPointer | 1 | uint | |
| 0x46 | LoadMmeInstructionRam | 1 | pipe | Writes to and increments LoadMmeInstructionRamPointer by 1. |
| 0x47 | LoadMmeStartAddressRamPointer | 1 | uint | |
| 0x48 | LoadMmeStartAddressRam | 1 | pipe | |
| 0x49 | SetMmeShadowRamControl | 1 | uint | 0=MethodTrack, 1=MethodTrackWithFilter, 2=MethodPassthrough, 3=MethodReplay. Used during ClearColor. |
| 0x80+16*N | RenderTargetNAddr | 2 | gpuva | |
| 0x82+16*N | RenderTargetNHorizontal | 1 | ||
| 0x83+16*N | RenderTargetNVertical | 1 | ||
| 0x84+16*N | RenderTargetNFormat | 1 | ||
| 0x85+16*N | RenderTargetNTileMode | 1 | ||
| 0x86+16*N | RenderTargetNArrayMode | 1 | ||
| 0x87+16*N | RenderTargetNLayerStride | 1 | ||
| 0x88+16*N | RenderTargetNBaseLayer | 1 | ||
| 0xBA | 1 | SetRenderTargets writes 1/0 here an optional buffer != NULL, and depending on type. | ||
| 0xBE | 1 | pipe | SetRenderTargets writes here repeatedly 16 times, if an optional buffer != NULL and is a given type. | |
| 0xBF | 1 | bool | SetRenderTargets writes 1 here after 0xBE has been written 16 times, and 0xDC been written. | |
| 0xC9 | TesselationOuterLevels | 4 | float[4] | |
| 0xCD | TesselationInnerLevels | 2 | float[2] | |
| 0xDC | 1 | bool | SetRenderTargets writes 1 here, if an optional buffer != NULL and is a given type. | |
| 0xDF | RasterizerEnable | 1 | bool | |
| 0xE0+8*N | TransformFeedbackBufferEnable | 1 | bool | |
| 0xE1+8*N | TransformFeedbackBufferAddr | 2 | gpuva | |
| 0xE3+8*N | TransformFeedbackBufferFlags | 1 | ||
| 0x1D1 | TransformFeedbackEnable | 1 | bool | |
| 0x1D3 | 1 | GpuInit writes 0x3f here. | ||
| 0x1F0 | 1 | SetRenderTargets optionally uses this. | ||
| 0x1F1 | 1 | SetRenderTargets optionally uses this. | ||
| 0x1F2 | 1 | SetRenderTargets optionally uses this. | ||
| 0x1F3 | 1 | SetRenderTargets optionally writes 0 here. | ||
| 0x1F8 | 1 | SetRenderTargets optionally uses this. | ||
| 0x1F9 | 1 | SetRenderTargets optionally uses this. | ||
| 0x1FA | ZCullContextStartAddr | 2 | gpuva | |
| 0x1FC | ZCullContextEndAddr | 2 | gpuva | |
| 0x280+8*N | ViewportNScaleX | 1 | float | |
| 0x281+8*N | ViewportNScaleY | 1 | float | |
| 0x282+8*N | ViewportNScaleZ | 1 | float | |
| 0x283+8*N | ViewportNTranslateX | 1 | float | |
| 0x284+8*N | ViewportNTranslateY | 1 | float | |
| 0x285+8*N | ViewportNTranslateZ | 1 | float | |
| 0x286+8*N | ViewportNSwizzles | 1 | bitfield | |
| 0x287+8*N | ViewportNSubpixelPrecisionBias | 1 | bitfield | Bit0-4: ?, bit8-bit11: ? |
| 0x300+4*N | ViewportNHorizontal | 1 | bitfield | Bit0-15: X, bit16-31: Width |
| 0x301+4*N | ViewportNVertical | 1 | bitfield | Bit0-15: Y, bit16-31: Height |
| 0x302+4*N | ViewportNDepthRangeNear | 1 | float | |
| 0x303+4*N | ViewportNDepthRangeFar | 1 | float | |
| 0x340+2*N | ClipRectNHorizontal | 1 | N=0..7, TODO | |
| 0x341+2*N | ClipRectNVertical | 1 | TODO | |
| 0x360 | ClearColor | 4 | float | |
| 0x36B | PolygonModeFront | 1 | bitfield | 0x1B00/0x1B01/0x1B02 |
| 0x36C | PolygonModeBack | 1 | bitfield | 0x1B00/0x1B01/0x1B02 |
| 0x36F | ? | 1 | bitfield | Bit0:?, bit16:?. Used by ClearDepthStencil. |
| 0x370 | PolygonOffsetPointEnable | 1 | bool | |
| 0x371 | PolygonOffsetLineEnable | 1 | bool | |
| 0x372 | PolygonOffsetFillEnable | 1 | bool | |
| 0x373 | PatchSize | 1 | Small value, always fits in 12 bits. In number of vertices. | |
| 0x374 | 1 | 0 written here for "simple" BlendState. | ||
| 0x380+4*n | ScissorNEnable | 1 | bool | n=0..15. GpuInit writes 1 here. |
| 0x381+4*N | ScissorNHorizontal | 1 | bitfield | Bit0-15: min, bit16-31: max |
| 0x382+4*N | ScissorNVertical | 1 | bitfield | Bit0-15: min, bit16-31: max |
| 0x3D5 | StencilBackRefValue | 1 | ||
| 0x3D6 | StencilBackEnable | 1 | bool | |
| 0x3D7 | StencilBackValueMask | 1 | ||
| 0x3D8 | TiledCacheAction0 | 1 | bool | Trigger? |
| 0x3D9 | TiledCacheTileSize | 1 | bitfield | Bit0-15: ?, bit16-31: ? |
| 0x3DE | DiscardTrigger | 1 | bitfield | Bit4-6: DiscardColorIndex, bit0: DiscardDepthStencil |
| 0x3E0 | TiledCacheAction1 | 1 | bool | Trigger? |
| 0x3E7 | DepthBounds | 2 | float[2] | |
| 0x3ED | MultisampleRasterEnable | 1 | bool | Also written 0 when clearing all colors. |
| 0x3EE | MultisampleRasterSamples | 1 | bitfield | 2=Four, 4=Eight, 5=?, 6=Sixteen |
| 0x3EF | MultisampleCoverageModulationMode | 1 | ||
| 0x3F0 | SampleMask0 | 1 | ||
| 0x3F1 | SampleMask1 | 1 | ||
| 0x3F2 | SampleMask2 | 1 | ||
| 0x3F5 | Multisample_Related2 | 1 | TODO | |
| 0x3F6 | CoverageModulationEnable | 1 | bool | |
| 0x3F8 | Unknown?Addr | 2 | gpuva | SetRenderTargets writes the address of an optional buffer here. |
| 0x3FA | Unknown?TileMode | 1 | SetRenderTargets writes here optionally. | |
| 0x3FB | Unknown?ArrayMode | 1 | SetRenderTargets writes here optionally. | |
| 0x3FC | Unknown?BaseLayer | 1 | SetRenderTargets writes here optionally. | |
| 0x3FD | 1 | bitfield?[2] | SetRenderTargets writes here | |
| 0x40C | CoverageModulationTable | 4 | float[4] | |
| 0x433 | 1 | GpuInit writes 4 here. | ||
| 0x438 | 1 | GpuInit writes 0xFF here. | ||
| 0x439 | 1 | GpuInit writes 0xFF here. | ||
| 0x43B | 1 | GpuInit writes 0xFF here. | ||
| 0x43C | 1 | GpuInit writes 4 here. | ||
| 0x43E | ClearFlags? | 1 | GpuInit writes 0x101 here. | |
| 0x446 | DrawElementsEnableBaseVertex? | 1 | bool | TODO |
| 0x44D | TiledCacheAction2 | 1 | bool | Trigger? |
| 0x452 | RasterEnable | 1 | bool | |
| 0x458 | VertexAttribTable | 4 | bitfield[16] | Bit0-4: StreamIndex, bit7-20: Format0, bit21-30: Format1 |
| 0x47C | 1 | trigger | BindProgram writes 0 here sometimes. | |
| 0x47F | DepthBufferResolve | 1 | trigger | 1 is written here to trigger. |
| 0x478 | MultisampleGrid | 3 | bitfield[3] | Bit0-3: x0, bit4-7: y0, bit8-11: x1, etc.. |
| 0x47E | MultisampleCoverageToColor | 1 | bitfield | Bit0: Enable, bit4-6: ? |
| 0x487 | RenderTargetControl | 1 | bitfield | Bit0-3: NumberOfRenderTargets, bunch of other flags. Used by SetRenderTargets. |
| 0x48A | 1 | Optionally used by SetRenderTargets. | ||
| 0x48B | 1 | Optionally used by SetRenderTargets. | ||
| 0x48C | 1 | Optionally used by SetRenderTargets. | ||
| 0x4B3 | DepthTestEnable | 1 | bool | Enables DepthWriteEnable and DepthFunc. |
| 0x4B8 | MultisampleAlphaToCoverageDither | 1 | bool | |
| 0x4B9 | BlendIndependent | 1 | bool | 1 written here for "simple" BlendState. |
| 0x4BB | AlphaTestEnable | 1 | bool | |
| 0x4BA | DepthWriteEnable | 1 | bool | |
| 0x4C3 | DepthFunc | 1 | bitfield | Bit0-3: DepthFunc |
| 0x4C5 | AlphaTestFunc | 1 | bitfield | Bit0-3: AlphaTestFunc |
| 0x4E0 | StencilEnable | 1 | bool | |
| 0x4E5 | StencilFrontRefValue | 1 | ||
| 0x4E6 | StencilFrontMaskValue | 1 | ||
| 0x4E7 | StencilFrontEnable | 1 | bool | |
| 0x4EC | LineWidthSmooth | 1 | float | |
| 0x4ED | LineWidthAliased | 1 | float | |
| 0x4C4 | AlphaTestRefValue | 1 | float | |
| 0x4C7 | BlendColor | 4 | float[4] | TODO |
| 0x50D | VertexBufferElementBase | 1 | uint | |
| 0x519 | ZCullContextSave | 1 | trigger | 0 is written here to trigger ctx-save, uses ZCullContextStartAddr. |
| 0x51F | PolygonOffsetClamp0 | 1 | float | |
| 0x540 | ZCullContextRestore | 1 | trigger | 0 is written here to trigger ctx-restore, uses ZCullContextStartAddr. |
| 0x546 | PointSize | 1 | float | |
| 0x54C | CounterReset | 1 | Value written decides which counter to reset. | |
| 0x54D | MultisampleEnable | 1 | ||
| 0x54E | 1 | bool | SetRenderTargets writes 0 here if an optional buffer is NULL. | |
| 0x54F | MultisampleControl | 1 | bool | bit0: AlphaToCoverageEnable, bit1+: ? |
| 0x554 | RendererConditionAddr | 2 | gpuva | |
| 0x556 | RendererConditionMode | 1 | 0=disabled unconditional, 1=enabled unconditional, 3=unknown conditional, 4=unknown conditional, | |
| 0x55B | PolygonOffsetFactor | 1 | float | |
| 0x56D | CsaaEnable | 1 | bool | |
| 0x56F | PolygonOffsetOffset | 1 | float | Float multiplied by 2 is written here. |
| 0x574 | MultisampleMode | 1 | Written by SetRenderTargets, possible values: 0, 2, 4, 5, 6. | |
| 0x57F | 1 | SetRenderTargets optionally writes 0 here. | ||
| 0x580 | 1 | SetRenderTargets optionally writes 0 here. | ||
| 0x591 | PrimitiveRestartEnable | 1 | bool | |
| 0x592 | PrimitiveRestartIndex | 1 | uint | |
| 0x5F2 | DrawElementsIndirectAddr | 2 | gpuva | TODO |
| 0x5F6 | DrawElementsIndirectFlag? | 1 | bool | TODO |
| 0x620+N | VertexStreamNEnableDivisor | bool | n=0...15. | |
| 0x646 | PolygonCullFaceEnable | 1 | bool | |
| 0x647 | PolygonFrontFace | 1 | bitfield | Bit0: Enable. Always ORR'd with 0x9000. |
| 0x648 | PolygonCullFaceConfig | 1 | bitfield | TODO: 0x404/0x405/0x408 |
| 0x64F | DepthClamp | 1 | TODO: 0x101A is written when enabled, 0x181D when disabled. | |
| 0x66F | DepthBoundsEnable | 1 | bool | |
| 0x671 | ColorLogicOpEnable | 1 | bool | Used for all LogicOps except 3. |
| 0x672 | ColorLogicOpType | 1 | bitfield | Bit0-7: LogicOp, bit8-15: unknown, always 0x15. |
| 0x68B | Barrier? | 1 | trigger | Always 0 is written here. During zcull ctx-save, spammed when enabling raster, ... |
| 0x6C0 | QueryAddr | 2 | gpuva | |
| 0x6C2 | QuerySequence | 1 | 0 is written here during most queries. | |
| 0x6C3 | QueryControl | 1 | bitfield | After write, the result of query is written to 4 bytes at QueryAddr. |
| 0x700+4*N | VertexStreamNStride | 1 | uint | Bit0-11: Stride. TODO: This has more stuff according to nouveau |
| 0x701+4*N | VertexBufferStartAddr | 2 | gpuva | TODO: Incorrecto |
| 0x703+4*N | VertexStreamNDivisor | |||
| 0x7C0+2*N | VertexBufferEndAddr | 2 | gpuva | |
| 0x781+8*N | BlendNRgbEquation | 1 | bitfield | Bit0-2: BlendEquation |
| 0x782+8*N | BlendNRgbFunctionSrc | 1 | bitfield | Bit0-4: ?, bit14-15: ? |
| 0x783+8*N | BlendNRgbFunctionDst | 1 | bitfield | Bit0-4: ?, bit14-15: ? |
| 0x784+8*N | BlendNAlphaEquation | 1 | bitfield | Bit0-2: BlendEquation |
| 0x785+8*N | BlendNAlphaFunctionSrc | 1 | bitfield | Bit0-4: ?, bit14-15: ? |
| 0x786+8*N | BlendNAlphaFunctionDst | 1 | bitfield | Bit0-4: ?, bit14-15: ? |
| 0x820 | 1 | BindProgram writes here. | ||
| 0x821 | 1 | BindProgram writes here. | ||
| 0x830 | 1 | BindProgram writes here. | ||
| 0x840 | 1 | BindProgram writes here. | ||
| 0x850 | 1 | BindProgram writes here. | ||
| 0x8E0 | SetConstantBufferSelectorSize | 1 | uint | Bit0-16: size |
| 0x8E1 | SetConstantBufferSelectorAddr | 2 | gpuva | |
| 0x8E3 | LoadConstantBufferOffset | 1 | uint | BindImage writes "8*i + 0x120" here. BindSeparateSampler writes "8*i + 0x568" here. BindSeparateTexture uses "8*i + 0x168". BindTexture uses 8*i + 32. TODO: BindStorageBuffer, UpdateUniformBuffer, etc |
| 0x8E4 | LoadConstantBuffer | 1 | uint[16] | |
| 0x904 | UniformBuffer0_Control | 1 | ||
| 0x90C | UniformBuffer3_Control | 1 | ||
| 0x914 | UniformBuffer4_Control | 1 | ||
| 0x91C | UniformBuffer2_Control | 1 | ||
| 0x924 | UniformBuffer1_Control | 1 | ||
| 0xD00 | SetMmeShadowScratch | uint[0x80] | 128 | |
| 0xD19 | 1 | GpuInit writes 0 here. | ||
| 0xD1A | 1 | GpuInit writes 0 here. | ||
| 0xD1B | 1 | GpuInit writes 0xffffffff here. | ||
| 0xD1E | 1 | BindProgram writes 0 here, trigger? | ||
| 0xD28 | 1 | SetRenderTargets writes 0 here if an optional buffer is NULL. | ||
| 0xD29 | 1 | SetRenderTargets writes 0xFFFFFFFF here if an optional buffer != NULL, and of a certain type. | ||
| 0xD34 | 1 | Used by SetConservativeRasterDilate. | ||
| 0xD35 | AdvancedBlend | 1 | bitfield | Bit0: NormalizedDst, bit1: PremultipliedSrc, bit2-3: BlendTarget, Bit4-9: Mode |
| 0xE00+N*2 | MmeMacroNCall | 1 | ? | n=0..0x7f |
| 0xE01+N*2 | MmeMacroNData | 1 | pipe | ? |
| 0xE00 | TransformFeedbackAddr | 2 | gpuva | |
| 0xE02 | ClearColorConfig? | 1 | bitfield | Bit2-5: ?, bit6-9: ? |
| 0xE06 | 1 | bitfield | Written by SetRenderTargets if optional buffer is given but not of a given type. | |
| 0xE0A | 1 | Used by SetConservativeRasterDilate. | ||
| 0xE0B | 1 | Used by SetConservativeRasterDilate. | ||
| 0xE0E | 1 | BindImage/BindSeparateSampler/BindSeparateTexture writes 0-4 here. | ||
| 0xE10 | ColorLogicOp3 | 1 | bitfield | Bit8: BlendEnable, bit16-23: LogicOp, bit28-31: AlphaTest. BindColorState writes this when LogicOp == 3. |
| 0xE12 | BindChannelMaskState_Unk0 | 1 | ||
| 0xE13 | BindChannelMaskState_Unk1 | 1 | ||
| 0xE1A | StencilConfig | 1 | bitfield | Bit0-3: StencilFunc0, bit4-7: StencilOp0_A, bit8-11: StencilOp0_B, bit12-15: StencilFunc1, bit16-19: StencilOp1_A, bit20-23: StencilOp1_B |
| 0xE1E | Barrier? | 1 | Also written to by BindStorageBuffer, and DrawArraysIndirect. | |
| 0xE20 | 1 | Another barrier? Used by SetConservativeRasterDilate. | ||
| 0xE2A | DebugGroupPush_DynamicControl | 1 | ||
| 0xE2B | DebugGroupPush_DynamicValue | 1 | This one can be written a variable number of times. | |
| 0xE2C | DebugGroupPush_StaticControl | 1 | ||
| 0xE2D | DebugGroupPush_StaticValue | 1 | This is written 3 times after DebugGroupPush_StaticControl. | |
| 0xE2E | DebugGroupPop_Control | 1 | ||
| 0xE2F | DebugGroupPop_GroupId | 1 | This is written once after DebugGroupPop_Control. | |
| 0xE30 | DrawArraysControl | 1 | ||
| 0xE31 | DrawArraysMulti | 1 | ||
| 0xE32 | DrawArraysIndirect | 1 | ||
| 0xE34 | DrawArraysInstanced0Config | 1 | ||
| 0xE35 | DrawArraysInstanced0Pipe | 1 | ||
| 0xE36 | DrawElementsConfig | 1 | ||
| 0xE37 | DrawElementsPipe | 1 | ||
| 0xE38 | DrawElementsIndirectConfig | 1 | ||
| 0xE39 | DrawElementsIndirectPipe | 1 | ||
| 0xE3A | DrawElementsInstanced0Config | 1 | ||
| 0xE3B | DrawElementsInstanced0Pipe | 1 | ||
| 0xE42 | DrawArraysInstanced1Config | 1 | ||
| 0xE43 | DrawArraysInstanced1Pipe | 1 | ||
| 0xE44 | DrawElementsInstanced1Config | 1 | ||
| 0xE45 | DrawElementsInstanced1Pipe | 1 |
TODO: (Tiled)Downsample, Copy*, Dispatch*, DrawTexture/DrawTransformFeedback, BindImages, BindProgram, BindSeprarateSamplers, BindSeprarateTextures, BindTextures.
DMA
| Register | Name | Notes |
|---|---|---|
| 0x0C0 | CopyControl | With 0x186 Src/DstStride is not used. With 0x586 memset-functionality is used. |
| 0x100 | CopySrcAddrHi | |
| 0x101 | CopySrcAddrLo | |
| 0x102 | CopyDstAddrHi | |
| 0x103 | CopyDstAddrLo | |
| 0x104 | CopySrcStride? | |
| 0x105 | CopyDstStride? | |
| 0x106 | CopyCount | At most 0x3FFFFF. |
| 0x1C0 | CopyMemsetValue? | |
| 0x1C2 | CopyMemsetControl? | Seen: 0x34444 |
| 0x1C4 | CopyMemsetLength? | In units of 4 bytes. |
| 0x1C5 | ? | Seen: 1 |