xref: /aosp_15_r20/external/mesa3d/src/asahi/genxml/cmdbuf.xml (revision 6104692788411f58d303aa86923a9ff6ecaded22)

<?xml version="1.0" ?>
<genxml>

  <enum name="Channel">
    <value name="R" value="0"/>
    <value name="G" value="1"/>
    <value name="B" value="2"/>
    <value name="A" value="3"/>
    <value name="1" value="4"/>
    <value name="0" value="5"/>
  </enum>

  <enum name="ZS Func">
    <value name="Never" value="0"/>
    <value name="Less" value="1"/>
    <value name="Equal" value="2"/>
    <value name="Lequal" value="3"/>
    <value name="Greater" value="4"/>
    <value name="Not Equal" value="5"/>
    <value name="Gequal" value="6"/>
    <value name="Always" value="7"/>
  </enum>

  <enum name="Compare func">
    <value name="Lequal" value="0"/>
    <value name="Gequal" value="1"/>
    <value name="Less" value="2"/>
    <value name="Greater" value="3"/>
    <value name="Equal" value="4"/>
    <value name="Not Equal" value="5"/>
    <value name="Always" value="6"/>
    <value name="Never" value="7"/>
  </enum>

  <enum name="Stencil Op">
    <value name="Keep" value="0"/>
    <value name="Zero" value="1"/>
    <value name="Replace" value="2"/>
    <value name="Incr Sat" value="3"/>
    <value name="Decr Sat" value="4"/>
    <value name="Invert" value="5"/>
    <value name="Incr Wrap" value="6"/>
    <value name="Decr Wrap" value="7"/>
  </enum>

  <enum name="Visibility Mode">
    <value name="None" value="0"/>
    <value name="Counting" value="2"/>
    <value name="Boolean" value="3"/>
  </enum>

  <enum name="Polygon Mode">
    <value name="Fill" value="0"/>
    <value name="Line" value="1"/>
    <value name="Point" value="2"/>
  </enum>

  <enum name="Primitive">
    <value name="Points" value="0"/>
    <value name="Lines" value="1"/>
    <value name="Line strip" value="3"/>
    <value name="Line loop" value="5"/>
    <value name="Triangles" value="6"/>
    <value name="Triangle strip" value="9"/>
    <value name="Triangle fan" value="11"/>
    <value name="Quads" value="14"/>
    <value name="Quad strip" value="15"/>
  </enum>

  <enum name="Object Type">
    <value name="Triangle" value="0"/>
    <value name="Line" value="1"/>
    <value name="Point sprite UV=10" value="2"/>
    <value name="Point sprite UV=01" value="4"/>
    <!-- Line-filled tri. Point-filled tri. UV. Rect. Match RGX. -->
  </enum>

  <enum name="Layout">
    <value name="Linear" value="0"/>
    <!-- Default layout if no other layout is set -->
    <value name="Null" value="1"/>
    <!-- Morton order -->
    <value name="Twiddled" value="2"/>
    <!-- With a metadata buffer -->
    <value name="Compressed" value="3"/>
  </enum>

  <enum name="Channels">
    <value name="R8" value="0x00"/>
    <value name="R16" value="0x09"/>
    <value name="R8G8" value="0x0A"/>
    <value name="R5G6B5" value="0x0B"/>
    <value name="R4G4B4A4" value="0x0C"/>
    <value name="A1R5G5B5" value="0x0D"/>
    <value name="R5G5B5A1" value="0x0E"/>
    <value name="R32" value="0x21"/>
    <value name="R16G16" value="0x23"/>
    <value name="R11G11B10" value="0x25"/>
    <value name="R10G10B10A2" value="0x26"/>
    <value name="R9G9B9E5" value="0x27"/>
    <value name="R8G8B8A8" value="0x28"/>
    <value name="R32G32" value="0x31"/>
    <value name="R16G16B16A16" value="0x32"/>

    <!-- Software-defined value selected not to clash with the hardware values.
         Texture buffer reads from this format are lowered. It is invalid to
         use this format for anything else. -->
    <value name="R32G32B32 (Emulated)" value="0x36"/>

    <value name="R32G32B32A32" value="0x38"/>
    <value name="GBGR 422" value="0x40"/> <!-- Subsampled, swizzle BRG1 -->
    <value name="BGRG 422" value="0x41"/> <!-- Subsampled, swizzle BRG1 -->

    <!-- Compressed -->
    <value name="PVRTC 2bpp" value="0x50"/>
    <value name="PVRTC 4bpp" value="0x51"/>

    <value name="ETC2 RGB8" value="0x58"/>
    <value name="ETC2 RGBA8" value="0x59"/>
    <value name="ETC2 RGB8A1" value="0x5A"/>
    <value name="EAC R11" value="0x5B"/>
    <value name="EAC RG11" value="0x5C"/>

    <!-- For LDR use with UNORM/no-sRGB, for sRGB use with UNORM/sRGB, for HDR
         use with FLOAT/no-sRGB -->
    <value name="ASTC 4x4" value="0x60"/>
    <value name="ASTC 5x4" value="0x61"/>
    <value name="ASTC 5x5" value="0x62"/>
    <value name="ASTC 6x5" value="0x63"/>
    <value name="ASTC 6x6" value="0x64"/>
    <value name="ASTC 8x5" value="0x65"/>
    <value name="ASTC 8x6" value="0x66"/>
    <value name="ASTC 8x8" value="0x67"/>
    <value name="ASTC 10x5" value="0x68"/>
    <value name="ASTC 10x6" value="0x69"/>
    <value name="ASTC 10x8" value="0x6A"/>
    <value name="ASTC 10x10" value="0x6B"/>
    <value name="ASTC 12x10" value="0x6C"/>
    <value name="ASTC 12x12" value="0x6D"/>

    <value name="BC1" value="0x74"/>
    <value name="BC2" value="0x75"/>
    <value name="BC3" value="0x76"/>
    <value name="BC4" value="0x77"/>
    <value name="BC5" value="0x78"/>
    <value name="BC6H" value="0x79"/>
    <value name="BC6H Ufloat" value="0x7A"/>
    <value name="BC7" value="0x7B"/>
  </enum>

  <enum name="Texture Type">
    <value name="Unorm" value="0"/>
    <value name="Snorm" value="1"/>
    <value name="Uint" value="2"/>
    <value name="Sint" value="3"/>
    <value name="Float" value="4"/>
    <value name="XR" value="5"/>
  </enum>

  <struct name="CF binding header" size="4">
    <field name="Number of 32-bit slots" size="8" start="0:0" type="uint"/>
    <field name="Number of coefficient registers" size="8" start="0:8" type="uint"/>
  </struct>

  <enum name="Shade model">
    <value name="Flat vertex 0" value="0"/>
    <value name="Flat vertex 2" value="2"/>
    <value name="Linear" value="3"/>
    <value name="Flat vertex 1" value="6"/>
    <value name="Perspective" value="7"/>
  </enum>

  <enum name="Coefficient source">
    <value name="Varying" value="0"/>
    <value name="Fragcoord Z" value="1"/>
    <value name="Point coord" value="2"/>
    <value name="Primitive ID" value="3"/>
    <!-- Vec2 only -->
    <value name="Barycentric coord" value="5"/>
  </enum>

  <struct name="CF binding" size="4">
    <field name="Components" size="2" start="0" type="uint" modifier="minus(1)"/>
    <field name="Shade model" size="3" start="2" type="Shade model"/>
    <field name="Source" size="3" start="5" type="Coefficient source"/>
    <field name="Base slot" size="8" start="8" type="uint"/>
    <field name="Base coefficient register" size="8" start="16" type="uint"/>
  </struct>

  <enum name="Texture dimension">
    <value name="1D" value="0"/>
    <value name="1D Array" value="1"/>
    <value name="2D" value="2"/>
    <value name="2D Array" value="3"/>
    <value name="2D Multisampled" value="4"/>
    <value name="3D" value="5"/>
    <value name="Cube" value="6"/>
    <value name="Cube Array" value="7"/>
    <value name="2D Array Multisampled" value="8"/>
  </enum>

  <enum name="Sample Count">
    <value name="2" value="0"/>
    <value name="4" value="1"/>
  </enum>

  <struct name="PBE" size="24">
    <field name="Dimension" size="4" start="0" type="Texture dimension" default="2D"/>
    <field name="Layout" size="2" start="4" type="Layout"/>
    <field name="Channels" size="7" start="6" type="Channels"/>
    <field name="Type" size="3" start="13" type="Texture Type"/>
    <field name="Swizzle R" size="2" start="16" type="Channel"/>
    <field name="Swizzle G" size="2" start="18" type="Channel"/>
    <field name="Swizzle B" size="2" start="20" type="Channel"/>
    <field name="Swizzle A" size="2" start="22" type="Channel"/>
    <field name="Width" size="14" start="24" type="uint" modifier="minus(1)"/>
    <field name="Height" size="14" start="38" type="uint" modifier="minus(1)"/>
    <field name="Unk 52" size="1" start="52" type="bool"/>
    <field name="Rotate 90" size="1" start="53" type="bool" default="false"/>
    <field name="Flip vertical" size="1" start="54" type="bool" default="false"/>
    <field name="Samples" size="1" start="56" type="Sample Count"/>
    <field name="Unk mipmapped" size="1" start="58" type="bool"/>
    <field name="Compressed 1" size="1" start="59" type="bool"/>
    <field name="Buffer" size="36" start="64" type="address" modifier="shr(4)"/>
    <field name="Level" size="4" start="100" type="uint"/>

    <!-- If layout is not linear. Layers must be zero unless rendering to an
    array texture (with a layered framebuffer) -->
    <field name="Levels" size="4" start="104" type="uint" modifier="minus(1)"/>
    <field name="Layers" size="14" start="108" type="uint" modifier="minus(1)" default="1"/>
    <field name="Page-aligned layers" size="1" start="124" type="bool"/>

    <!-- Should writes to this image convert to sRGB?

      Note that imageblock writes do not use this flag, instead doing the
      conversion when writing into the tilebuffer. -->
    <field name="sRGB" size="1" start="125" type="bool"/>

    <!-- Read the next word (set for compression or linear 2D arrays) -->
    <field name="Extended" size="1" start="127" type="bool"/>

    <!-- If layout is linear. Off by 4? -->
    <field name="Stride" size="21" start="104" type="hex"/>

    <!-- If layout is compressed -->
    <field name="Acceleration buffer" size="64" start="128" type="address" modifier="shr(4)"/>

    <!-- If layout is linear, stride has the minus 1 encoded -->
    <field name="Depth (linear)" size="11" start="128" type="uint" modifier="minus(1)" default="1"/>
    <field name="Layer stride (linear)" size="27" start="139" type="uint" modifier="shr(7)"/>

    <!-- If neither, for software use to accelerate atomics and multisampled
         writes. These are forbidden for compressed images and linear 2D arrays,
         leaving this area free.
    -->
    <field name="Level offset (sw)" size="27" start="128" type="uint" modifier="shr(7)"/>
    <field name="Aligned width MSAA (sw)" size="15" start="128" type="uint"/>
    <field name="Tile width (sw)" size="3" start="155" type="uint" modifier="log2" default="1"/>
    <field name="Tile height (sw)" size="3" start="158" type="uint" modifier="log2" default="1"/>
    <field name="Layer stride (sw)" size="27" start="161" type="uint" modifier="shr(7)"/>
    <field name="Sample count log2 (sw)" size="2" start="188" type="uint"/>
    <field name="Buffer offset (sw)" size="32" start="128" type="uint"/>
  </struct>

  <struct name="Texture" size="24">
    <field name="Dimension" size="4" start="0" type="Texture dimension"/>
    <field name="Layout" size="2" start="4" type="Layout"/>
    <field name="Channels" size="7" start="6" type="Channels"/>
    <field name="Type" size="3" start="13" type="Texture Type"/>
    <field name="Swizzle R" size="3" start="16" type="Channel"/>
    <field name="Swizzle G" size="3" start="19" type="Channel"/>
    <field name="Swizzle B" size="3" start="22" type="Channel"/>
    <field name="Swizzle A" size="3" start="25" type="Channel"/>
    <field name="Width" size="14" start="28" type="uint" modifier="minus(1)" default="1"/>
    <field name="Height" size="14" start="42" type="uint" modifier="minus(1)" default="1"/>
    <field name="First level" size="4" start="56" type="uint"/>
    <field name="Last level" size="4" start="60" type="uint"/>
    <field name="Samples" size="1" start="64" type="Sample Count"/>
    <field name="Address" size="36" start="66" type="hex" modifier="shr(4)"/>
    <!-- Unknown bit set by Metal when mipmapping. Might relate to a mechanism
    to switch tile size (or disable tiling altogether?) at small mip levels to
    reduce wasted memory due to padding. Causing test flakiness when set. -->
    <field name="Unk mipmapped" size="1" start="102" type="bool"/>
    <field name="Compressed 1" size="1" start="103" type="bool"/>
    <!-- This is set when no texture is bound, with layout 1 -->
    <field name="Null" size="1" start="105" type="bool"/>
    <field name="Compression" size="2" start="106" type="hex"/> <!-- 0 for uncompressed -->
    <field name="sRGB" size="1" start="108" type="bool"/>
    <field name="sRGB 2-channel" size="1" start="109" type="bool"/>
    <field name="Stride" size="18" start="110" type="hex" modifier="shr(4)"/>
    <!-- Note that 3D/arrays cannot be linear. -->
    <field name="Depth" size="14" start="110" type="uint" modifier="minus(1)" default="1"/>
    <field name="Page-aligned layers" size="1" start="126" type="bool"/>

    <!-- Read the next word (set for compression or linear 2D arrays) -->
    <field name="Extended" size="1" start="127" type="bool"/>

    <!-- If layout is compressed -->
    <field name="Acceleration buffer" size="64" start="128" type="address" modifier="shr(4)"/>

    <!-- If layout is linear, stride has the minus 1 encoded -->
    <field name="Depth (linear)" size="11" start="128" type="uint" modifier="minus(1)" default="1"/>
    <field name="Layer stride (linear)" size="27" start="139" type="uint" modifier="shr(7)"/>

    <!-- Buffer texture metadata  -->
    <field name="Buffer size (sw)" size="32" start="128" type="uint"/>
    <field name="Buffer offset (sw)" size="32" start="160" type="uint"/>
  </struct>

  <enum name="Wrap">
    <value name="Clamp to edge" value="0"/>
    <value name="Repeat" value="1"/>
    <value name="Mirrored repeat" value="2"/>
    <value name="Clamp to border" value="3"/>
    <value name="Clamp (GL)" value="4"/>
    <value name="Mirrored clamp to edge" value="5"/>
  </enum>

  <enum name="Mip filter">
    <value name="None" value="0"/>
    <value name="Nearest" value="1"/>
    <value name="Linear" value="2"/>
  </enum>

  <enum name="Border colour">
    <value name="Transparent black" value="0"/>
    <value name="Opaque black" value="1"/>
    <value name="Opaque white" value="2"/>
    <value name="Custom" value="3"/>
  </enum>

  <enum name="Filter">
    <value name="Nearest" value="0"/>
    <value name="Linear" value="1"/>
    <value name="Bicubic" value="2"/>
  </enum>

  <struct name="Sampler" size="8">
    <field name="Minimum LOD" size="10" start="0" type="lod" default="0.0"/>
    <field name="Maximum LOD" size="10" start="10" type="lod" default="INFINITY"/>
    <field name="Maximum anisotropy" size="3" start="20" type="uint" default="1" modifier="log2"/>
    <field name="Magnify" size="2" start="23" type="Filter"/>
    <field name="Minify" size="2" start="25" type="Filter"/>
    <field name="Mip filter" size="2" start="27" type="Mip filter"/>
    <field name="Wrap S" size="3" start="29" type="Wrap"/>
    <field name="Wrap T" size="3" start="32" type="Wrap"/>
    <field name="Wrap R" size="3" start="35" type="Wrap"/>
    <field name="Pixel coordinates" size="1" start="38" type="bool"/>
    <field name="Compare func" size="3" start="39" type="Compare func"/>
    <field name="Compare enable" size="1" start="42" type="bool"/>
    <field name="Border colour" size="2" start="55" type="Border colour"/>
    <field name="Seamful cube maps" size="1" start="57" type="bool"/>
  </struct>

  <struct name="Border" size="16">
    <field name="Channel 0" size="32" start="0:0" type="hex"/>
    <field name="Channel 1" size="32" start="1:0" type="hex"/>
    <field name="Channel 2" size="32" start="2:0" type="hex"/>
    <field name="Channel 3" size="32" start="3:0" type="hex"/>
  </struct>

  <!--- Pointed to from the command buffer -->
  <struct name="Scissor" size="16">
    <field name="Max X" size="16" start="0:0" type="uint"/>
    <field name="Min X" size="16" start="0:16" type="uint"/>
    <field name="Max Y" size="16" start="1:0" type="uint"/>
    <field name="Min Y" size="16" start="1:16" type="uint"/>
    <field name="Min Z" size="32" start="2:0" type="float"/>
    <field name="Max Z" size="32" start="3:0" type="float"/>
  </struct>

  <!-- Note: this structure is not padded. It really is 12 bytes -->
  <struct name="Depth bias" size="12">
    <field name="Depth bias" size="32" start="0:0" type="float"/>
    <field name="Slope scale" size="32" start="1:0" type="float"/>
    <field name="Clamp" size="32" start="2:0" type="float"/>
  </struct>

  <enum name="Sampler states">
    <value name="0" value="0"/>
    <value name="4 compact" value="1"/>
    <value name="8 compact" value="2"/>
    <value name="12 compact" value="3"/>
    <value name="16 compact" value="4"/>
    <value name="8 extended" value="6"/>
    <value name="16 extended" value="7"/>
  </enum>

  <struct name="Counts" size="4">
    <field name="Unknown 0" size="1" start="0" type="hex" default="0"/>
    <field name="Uniform register count" size="3" start="1" type="uint" modifier="groups(64)"/>
    <field name="Texture state register count" size="5" start="4" type="uint" modifier="groups(8)"/>
    <field name="Sampler state register count" size="3" start="9" type="Sampler states"/>
    <field name="Preshader register count" size="4" start="12" type="uint" modifier="groups(16)"/>
    <field name="CF binding count" size="7" start="16" type="uint"/>

    <!-- Only for fragment shaders -->
    <field name="Unknown" size="16" start="16" type="hex"/>
  </struct>

  <!-- PPP state starts -->
  <struct name="PPP Header" size="4">
    <field name="Fragment control" size="1" start="0" type="bool"/>
    <field name="Fragment control 2" size="1" start="1" type="bool"/>
    <field name="Fragment front face" size="1" start="2" type="bool"/>
    <field name="Fragment front face 2" size="1" start="3" type="bool"/>
    <field name="Fragment front stencil" size="1" start="4" type="bool"/>
    <field name="Fragment back face" size="1" start="5" type="bool"/>
    <field name="Fragment back face 2" size="1" start="6" type="bool"/>
    <field name="Fragment back stencil" size="1" start="7" type="bool"/>
    <field name="Depth bias/scissor" size="1" start="8" type="bool"/>
    <field name="Region clip" size="1" start="10" type="bool"/>
    <field name="Viewport" size="1" start="11" type="bool"/>
    <field name="Viewport count" size="4" start="12" type="uint" default="1" modifier="minus(1)"/>
    <field name="W clamp" size="1" start="16" type="bool"/>
    <field name="Output select" size="1" start="17" type="bool"/>
    <field name="Varying counts 32" size="1" start="18" type="bool"/>
    <field name="Varying counts 16" size="1" start="19" type="bool"/>
    <field name="Cull" size="1" start="21" type="bool"/>
    <field name="Cull 2" size="1" start="22" type="bool"/>
    <field name="Fragment shader" size="1" start="23" type="bool"/>
    <field name="Occlusion query" size="1" start="24" type="bool"/>
    <field name="Occlusion query 2" size="1" start="25" type="bool"/>
    <field name="Output unknown" size="1" start="26" type="bool"/>
    <field name="Output size" size="1" start="27" type="bool"/>
    <field name="Varying word 2" size="1" start="28" type="bool"/>
  </struct>

  <!-- Acts like a scissor at 32x32 tile boundaries, ignored unless clip tile is set -->
  <struct name="Region clip" size="8">
    <field name="Max X" size="9" start="0" type="uint" modifier="minus(1)"/>
    <field name="Min X" size="9" start="16" type="uint"/>
    <field name="Enable" size="1" start="31" type="bool"/>
    <field name="Max Y" size="9" start="32" type="uint" modifier="minus(1)"/>
    <field name="Min Y" size="9" start="48" type="uint"/>
  </struct>

  <struct name="Viewport control" size="4">
     <!-- so far only seen zeroes, but it stands to reason this is meant as a
          control word for the viewports -->
  </struct>

  <!-- Used to convert clip space coordinates to NDC, does not clip -->
  <struct name="Viewport" size="24">
    <field name="Translate X" size="32" start="0:0" type="float"/>
    <field name="Scale X" size="32" start="1:0" type="float"/>
    <field name="Translate Y" size="32" start="2:0" type="float"/>
    <field name="Scale Y" size="32" start="3:0" type="float"/>
    <field name="Translate Z" size="32" start="4:0" type="float"/>
    <field name="Scale Z" size="32" start="5:0" type="float"/>
  </struct>

  <struct name="Fragment face" size="4">
    <field name="Stencil reference" size="8" start="0" type="hex"/>
    <!-- line width is 4:4 fixed point with off-by-one applied -->
    <field name="Line width" size="8" start="8" type="hex"/>
    <field name="Polygon mode" size="2" start="18" type="Polygon Mode"/>
    <field name="Disable depth write" size="1" start="21" type="bool"/>
    <field name="Unk - visibility test internal" size="2" start="22" type="hex"/>
    <field name="Depth function" size="3" start="24" type="ZS Func"/>
  </struct>

  <enum name="Conservative depth">
    <value name="Any" value="0"/>
    <value name="Greater" value="1"/>
    <value name="Less" value="2"/>
    <value name="Unchanged" value="3"/>
  </enum>

  <struct name="Fragment face 2" size="4">
    <!-- If either disable is zeroed, depth is written -->
    <field name="Disable depth write" size="1" start="21" type="bool" default="true"/>
    <!-- If depth written from FS -->
    <field name="Conservative depth" size="2" start="22" type="Conservative depth" default="Unchanged"/>
    <!-- Both depth functions must pass -->
    <field name="Depth function" size="3" start="24" type="ZS Func" default="Always"/>
    <field name="Object type" size="4" start="28" type="Object Type"/>
  </struct>

  <struct name="Fragment stencil" size="4">
    <field name="Write mask" size="8" start="0" type="hex"/>
    <field name="Read mask" size="8" start="8" type="hex"/>
    <field name="Depth pass" size="3" start="16" type="Stencil Op"/>
    <field name="Depth fail" size="3" start="19" type="Stencil Op"/>
    <field name="Stencil fail" size="3" start="22" type="Stencil Op"/>
    <field name="Compare" size="3" start="25" type="ZS Func"/>
  </struct>

  <enum name="Pass type">
    <value name="Opaque" value="0"/>
    <value name="Translucent" value="1"/>
    <value name="Punch through" value="2"/>
    <value name="Translucent punch through" value="3"/>
    <!-- See PASSTYPE in rogue_ppp.xml if more values are observed on AGX...
         Translucent punch through seems notably different though? -->
  </enum>

  <struct name="Fragment control" size="4">
    <field name="Unk 1" size="1" start="9" type="bool" default="true"/>
    <field name="Visibility mode" size="2" start="14" type="Visibility Mode"/>
    <field name="Scissor enable" size="1" start="16" type="bool"/>
    <field name="Depth bias enable" size="1" start="17" type="bool"/>
    <field name="Stencil test enable" size="1" start="18" type="bool"/>
    <field name="Two-sided stencil" size="1" start="19" type="bool"/>
    <field name="Tag write disable" size="1" start="21" type="bool"/>
    <field name="Sample mask after depth/stencil" size="1" start="25" type="bool"/>
    <field name="Disable tri merging" size="1" start="26" type="bool"/>
    <field name="Pass type" size="3" start="29" type="Pass type"/>
  </struct>

  <struct name="Fragment occlusion query" size="4">
    <!-- 64-bit index into occlusion result buffer -->
    <field name="Index" size="15" start="17" type="uint"/>
  </struct>

  <struct name="Fragment occlusion query 2" size="4">
    <field name="Unknown" size="17" start="0" type="hex"/>
  </struct>

  <struct name="W Clamp" size="4">
    <field name="W Clamp" size="32" start="0" type="float"/>
  </struct>

  <enum name="PPP Vertex">
    <value name="0" value="1"/>
    <value name="1" value="2"/>
    <value name="2" value="3"/>
  </enum>

  <struct name="Cull" size="4">
    <field name="Cull front" size="1" start="0" type="bool"/>
    <field name="Cull back" size="1" start="1" type="bool"/>
    <field name="Flat shading vertex" size="2" start="7" type="PPP Vertex"/>
    <field name="Depth clip" size="1" start="10" type="bool"/>
    <field name="Depth clamp" size="1" start="11" type="bool"/>
    <field name="Primitive MSAA" size="1" start="15" type="bool"/>
    <field name="Front face CCW" size="1" start="16" type="bool"/>
    <field name="Rasterizer discard" size="1" start="17" type="bool"/>
  </struct>

  <struct name="Cull 2" size="4">
    <field name="Unknown 5" size="1" start="5" type="bool" default="true"/>
    <field name="Draw clipped edges" size="1" start="9" type="bool"/>
    <field name="Needs Primitive ID" size="1" start="12" type="bool"/>
    <field name="Rasterizer discard" size="1" start="17" type="bool"/>
  </struct>

  <struct name="Varying Counts" size="4">
    <field name="Smooth" size="8" start="0" type="uint"/>
    <field name="Flat" size="8" start="8" type="uint"/>
    <field name="Linear" size="8" start="16" type="uint"/>
  </struct>

  <struct name="Varying 2" size="8">
    <!-- TODO -->
  </struct>

  <struct name="Output Select" size="4">
    <field name="Clip distance plane 0" size="1" start="0" type="bool"/>
    <field name="Clip distance plane 1" size="1" start="1" type="bool"/>
    <field name="Clip distance plane 2" size="1" start="2" type="bool"/>
    <field name="Clip distance plane 3" size="1" start="3" type="bool"/>
    <field name="Clip distance plane 4" size="1" start="4" type="bool"/>
    <field name="Clip distance plane 5" size="1" start="5" type="bool"/>
    <field name="Clip distance plane 6" size="1" start="6" type="bool"/>
    <field name="Clip distance plane 7" size="1" start="7" type="bool"/>
    <field name="Clip distance plane 8" size="1" start="8" type="bool"/>
    <field name="Clip distance plane 9" size="1" start="9" type="bool"/>
    <field name="Clip distance plane 10" size="1" start="10" type="bool"/>
    <field name="Clip distance plane 11" size="1" start="11" type="bool"/>
    <field name="Clip distance plane 12" size="1" start="12" type="bool"/>
    <field name="Clip distance plane 13" size="1" start="13" type="bool"/>
    <field name="Clip distance plane 14" size="1" start="14" type="bool"/>
    <field name="Clip distance plane 15" size="1" start="15" type="bool"/>
    <field name="Varyings" size="1" start="16" type="bool"/>
    <field name="Point size" size="1" start="18" type="bool"/>
    <!-- For layered rendering, enable both and write the 2x16-bit tuple from
    the vertex shader (layer, (viewport << u) + (u & layer)). So far unclear
    what u is supposed to be. If u=0, this simplifies to the expected (layer,
        viewport) at least. -->
    <field name="Viewport target" size="1" start="19" type="bool"/>
    <field name="Render target" size="1" start="20" type="bool"/>
    <field name="Frag coord Z" size="1" start="21" type="bool"/>
    <field name="Barycentric coordinates" size="1" start="22" type="bool"/>
  </struct>

  <struct name="Output Unknown" size="4">
    <!-- So far always zero -->
  </struct>

  <struct name="Output Size" size="4">
    <field name="Count" size="32" start="0" type="uint"/>
  </struct>

  <!-- Indexes into the scissor and depth bias arrays -->
  <struct name="Depth bias/Scissor" size="4">
    <field name="Scissor" size="16" start="0" type="uint"/>
    <field name="Depth bias" size="16" start="16" type="uint"/>
  </struct>

  <struct name="Fragment Shader Word 0" size="4">
    <field name="Unknown 0" size="1" start="0" type="hex" default="0"/>
    <field name="Uniform register count" size="3" start="1" type="uint" modifier="groups(64)"/>
    <field name="Texture state register count" size="5" start="4" type="uint" modifier="groups(8)"/>
    <field name="Sampler state register count" size="3" start="9" type="Sampler states"/>
    <field name="Preshader register count" size="4" start="12" type="uint" modifier="groups(16)"/>
    <field name="CF binding count" size="7" start="16" type="uint"/>
  </struct>

  <struct name="Fragment Shader Word 1" size="4">
    <field name="Unknown 1:0" size="2" start="0" type="hex"/>
    <field name="Pipeline" size="26" start="6" type="address" modifier="shr(6)"/>
  </struct>

  <struct name="Fragment Shader Word 2" size="4">
    <field name="CF bindings" size="30" start="2" type="address" modifier="shr(2)"/>
  </struct>

  <struct name="Fragment Shader Word 3" size="4">
    <!-- Seems to be set to small values depending on textures? and pushed
         uniforms? Needs investigation -->
    <field name="Unknown" start="0" size="4" type="hex"/>
  </struct>
  <!-- PPP state ends -->

  <!-- USC state starts -->
  <enum name="USC Control">
    <value name="Preshader" value="0x38"/>
    <value name="Fragment properties" value="0x58"/>
    <value name="No preshader" value="0x88"/>
    <value name="Shader" value="0x0d"/>
    <value name="Uniform" value="0x1d"/>
    <value name="Uniform high" value="0x3d"/>
    <value name="Shared" value="0x4d"/>
    <value name="Registers" value="0x8d"/>
    <value name="Sampler" value="0x9d"/>
    <value name="Texture" value="0xdd"/>
  </enum>

  <struct name="USC Uniform" size="8">
    <field name="Tag" size="8" start="0:0" type="USC Control" default="Uniform"/>
    <field name="Start (halfs)" size="8" start="0:8" type="uint"/>
    <field name="Size (halfs)" size="6" start="0:20" type="uint" modifier="groups(1)"/>
    <field name="Buffer" size="38" start="0:26" type="address" modifier="shr(2)"/>
  </struct>

  <struct name="USC Uniform High" size="8">
    <field name="Tag" size="8" start="0:0" type="USC Control" default="Uniform High"/>
    <field name="Start (halfs)" size="8" start="0:8" type="uint"/>
    <field name="Size (halfs)" size="6" start="0:20" type="uint" modifier="groups(1)"/>
    <field name="Buffer" size="38" start="0:26" type="address" modifier="shr(2)"/>
  </struct>

  <struct name="USC Texture" size="8">
    <field name="Tag" size="8" start="0:0" type="USC Control" default="Texture"/>
    <field name="Start" size="8" start="0:8" type="uint"/>
    <!-- Exact split is unknown. Count is at least 5 bits. Less than 8 bits. -->
    <field name="Count" size="7" start="0:20" type="uint"/>
    <field name="Buffer" size="36" start="0:27" type="address" modifier="shr(3)"/>
  </struct>

  <struct name="USC Sampler" size="8">
    <field name="Tag" size="8" start="0:0" type="USC Control" default="Sampler"/>
    <field name="Start" size="8" start="0:8" type="uint"/>
    <field name="Count" size="7" start="0:20" type="uint"/>
    <!-- Exact split is unknown. -->
    <field name="Buffer" size="36" start="0:27" type="address" modifier="shr(3)"/>
  </struct>

  <enum name="Shared layout">
    <value name="Vertex/compute" value="0x24"/>
    <value name="32x32" value="0x2f"/>
    <value name="32x16" value="0x3f"/>
    <value name="16x16" value="0x36"/>
  </enum>

  <struct name="USC Shared" size="4">
    <field name="Tag" size="8" start="0" type="USC Control" default="Shared"/>
    <field name="Uses shared memory" size="1" start="8" type="bool"/>
    <field name="Layout" size="6" start="10" type="Shared layout"/>
    <field name="Sample count" size="2" start="16" type="uint" default="1" modifier="log2"/>
    <field name="Sample stride in 8 bytes" size="4" start="20" type="uint"/>
    <field name="Bytes per threadgroup" size="8" start="24" type="uint" modifier="groups(256)"/>
  </struct>

  <struct name="USC Shader" size="6">
    <field name="Tag" size="8" start="0" type="USC Control" default="Shader"/>
    <field name="Loads varyings" size="1" start="8" type="bool"/>
    <!-- Seen set for pixel rate fragment shaders? -->
    <field name="Unk 1" size="1" start="9" type="bool" default="0"/>
    <field name="Unk 2" size="6" start="10" type="uint" default="3"/>
    <field name="Code" size="32" start="16" type="address"/>
  </struct>

  <struct name="USC Registers" size="4">
    <field name="Tag" size="8" start="0" type="USC Control" default="Registers"/>
    <field name="Register count" size="5" start="8" type="uint" modifier="groups(8)"/>
    <field name="Unk 1" size="1" start="13" type="bool" default="false"/>
    <field name="Spill size" size="4" start="18" type="hex" default="0"/>
    <field name="Unk 4" size="8" start="24" type="hex" default="0x1"/>
  </struct>

  <struct name="USC No Preshader" size="2">
    <field name="Tag" size="8" start="0" type="USC Control" default="No preshader"/>
  </struct>

  <struct name="USC Preshader" size="8">
    <field name="Tag" size="8" start="0" type="USC Control" default="Preshader"/>
    <field name="Unk" size="24" start="8" type="hex" default="0xc08000"/>
    <field name="Code" size="32" start="32" type="address"/>
  </struct>

  <struct name="USC Fragment Properties" size="4">
    <field name="Tag" size="8" start="0" type="USC Control" default="Fragment properties"/>
    <!-- Guess. Set if the shader does not write the sample mask (including by
        discard_fragment) -->
    <field name="Early-z testing" size="1" start="8" type="bool"/>
    <field name="Unk 2" size="1" start="9" type="bool" default="true"/>
    <field name="Unconditional discard 1" size="1" start="10" type="bool"/>
    <field name="Unconditional discard 2" size="1" start="11" type="bool"/>
    <field name="Unk 3" size="4" start="12" type="hex" default="0xf"/>
    <field name="Unk 4" size="8" start="16" type="hex" default="0"/> <!-- TODO: determine relation, see docs/table.py -->
    <field name="Unk 5" size="8" start="24" type="hex" default="0x01"/>
  </struct>
  <!-- USC commands end -->

  <!-- VDM commands start. VDM commands are padded out to 8b alignment. -->
  <enum name="VDM Block Type">
    <value name="PPP State Update" value="0"/>
    <value name="Barrier" value="1"/>
    <value name="VDM State Update" value="2"/>
    <value name="Index List" value="3"/>
    <value name="Stream Link" value="4"/>
    <value name="Tessellate" value="5"/>
    <value name="Stream terminate" value="6"/>
  </enum>

  <struct name="PPP State" size="8">
    <field name="Pointer (hi)" size="8" start="0" type="hex"/>
    <field name="Size (words)" size="8" start="8" type="uint"/>
    <field name="Block Type" size="3" start="29" type="VDM Block Type" default="PPP State Update"/>
    <field name="Pointer (lo)" size="32" start="32" type="address"/>
  </struct>

  <struct name="VDM Barrier">
    <field name="USC cache inval" size="1" start="3" type="bool" default="false"/>
    <field name="Unk 4" size="1" start="4" type="bool" default="false"/>
    <field name="Unk 5" size="1" start="5" type="bool" default="false"/>
    <field name="Unk 6" size="1" start="6" type="bool" default="false"/>
    <field name="Unk 8" size="1" start="8" type="bool" default="false"/>
    <field name="Unk 11" size="1" start="11" type="bool" default="false"/>
    <field name="Unk 20" size="1" start="20" type="bool" default="false"/>
    <field name="Unk 24" size="1" start="24" type="bool" default="false"/>
    <field name="Unk 26" size="1" start="26" type="bool" default="false"/>
    <field name="Returns" size="1" start="27" type="bool" default="false"/>
    <field name="Block Type" size="3" start="29" type="VDM Block Type" default="Barrier"/>
  </struct>

  <enum name="Index size">
    <value name="U8" value="0"/>
    <value name="U16" value="1"/>
    <value name="U32" value="2"/>
  </enum>

  <struct name="VDM State" size="4">
    <field name="Restart index present" size="1" start="0" type="bool"/>
    <field name="Vertex shader word 0 present" size="1" start="1" type="bool"/>
    <field name="Vertex shader word 1 present" size="1" start="2" type="bool"/>
    <field name="Vertex outputs present" size="1" start="3" type="bool"/>
    <field name="Tessellation present" size="1" start="4" type="bool"/>
    <field name="Vertex unknown present" size="1" start="5" type="bool"/>
    <field name="Tessellation scale present" size="1" start="7" type="bool"/>
    <field name="Block Type" size="3" start="29" type="VDM Block Type" default="VDM State Update"/>
  </struct>

  <struct name="VDM State Restart Index" size="4">
    <field name="Value" size="32" start="0" type="hex"/>
  </struct>

  <struct name="VDM State Vertex Shader Word 0" size="4">
    <field name="Unknown 0" size="1" start="0" type="hex" default="0"/>
    <field name="Uniform register count" size="3" start="1" type="uint" modifier="groups(64)"/>
    <field name="Texture state register count" size="5" start="4" type="uint" modifier="groups(8)"/>
    <field name="Sampler state register count" size="3" start="9" type="Sampler states"/>
    <field name="Preshader register count" size="4" start="12" type="uint" modifier="groups(16)"/>
  </struct>

  <struct name="VDM State Vertex Shader Word 1" size="4">
    <field name="Unknown 1:0" size="2" start="0" type="hex"/>
    <field name="Pipeline" size="26" start="6" type="address" modifier="shr(6)"/>
  </struct>

  <struct name="VDM State Vertex Outputs" size="4">
    <field name="Output count 1" size="8" start="0" type="uint" default="0"/>
    <field name="Output count 2" size="8" start="8" type="uint" default="0"/>
  </struct>

  <enum name="VDM Vertex">
    <value name="0" value="0"/>
    <value name="1" value="1"/>
    <value name="2" value="2"/>
  </enum>

  <enum name="Partition mode">
    <value name="Pow 2" value="0"/>
    <value name="Integer" value="1"/>
    <value name="Fractional odd" value="2"/>
    <value name="Fractional even" value="3"/>
  </enum>

  <enum name="Step function">
    <value name="Constant" value="0"/>
    <value name="Per patch" value="1"/>
    <value name="Per instance" value="2"/>
    <value name="Per patch and per instance" value="3"/>
  </enum>

  <enum name="Patch type">
    <value name="Triangles" value="0"/>
    <value name="Quads" value="1"/>
  </enum>

  <enum name="Factor type">
    <value name="FP16" value="0"/>
    <value name="FP32" value="1"/>
  </enum>

  <struct name="VDM State Tessellation" size="4">
    <field name="Unknown" size="17" start="0" type="hex"/> <!-- 0 -->
    <field name="Step function" size="2" start="17" type="Step function"/>
    <!-- Not yet hardware tested, firm guess from stuffing values -->
    <field name="Factor type" size="1" start="19" type="Factor type"/>
    <!-- XXX: Possibly unknown 3 is part of the patch type, with points &
    isolines also supported? would be a natural encoding. Needs testing to see
    if implemeneted in hw. -->
    <field name="Patch type" size="1" start="20" type="Patch type"/>
    <field name="Unknown 3" size="2" start="21" type="hex"/> <!-- 1 -->

    <!-- Subtract 1 for fractional odd -->
    <field name="Max tess factor" size="6" start="23" type="uint" modifier="minus(1)"/>
    <field name="Counterclockwise winding" size="1" start="29" type="bool"/>
    <field name="Partition mode" size="2" start="30" type="Partition mode"/>
  </struct>

  <struct name="VDM State Tessellation Scale" size="4">
    <!-- Always applied. Set to 1.0 to "disable" -->
    <field name="Scale" size="16" start="0" type="half"/>
  </struct>

  <struct name="VDM State Vertex Unknown" size="4">
    <field name="Flat shading control" start="0" size="2" type="VDM Vertex"/>
    <field name="Unknown 4" size="1" start="4" type="bool"/>
    <field name="Unknown 5" size="1" start="5" type="bool"/>
    <field name="Generate primitive ID" size="1" start="6" type="bool"/>
  </struct>

  <!--- Command to issue a direct non-indexed draw -->
  <struct name="Index List" size="4">
    <field name="Index buffer hi" size="8" start="0" type="hex"/>
    <field name="Primitive" size="8" start="8" type="Primitive"/>
    <field name="Restart enable" size="1" start="16" type="bool"/>
    <field name="Index size" size="3" start="17" type="Index size"/>

    <field name="Index buffer size present" size="1" start="20" type="bool"/>
    <field name="Index buffer present" size="1" start="21" type="bool"/>

    <!-- Order in the cmdstream is the same as bit order for these -->
    <field name="Index count present" size="1" start="22" type="bool"/>
    <field name="Instance count present" size="1" start="23" type="bool"/>
    <field name="Start present" size="1" start="24" type="bool"/>
    <!-- 2 words, 1st word is some kind of extra vertex offset? -->
    <field name="Unk 1 present" size="1" start="25" type="bool"/>
    <field name="Indirect buffer present" size="1" start="26" type="bool"/>
    <!-- 1 word, unknown purpose -->
    <field name="Unk 2 present" size="1" start="27" type="bool"/>

    <field name="Block Type" size="3" start="29" type="VDM Block Type" default="Index List"/>
  </struct>

  <struct name="Index List: Buffer lo" size="4">
    <!-- Index buffer lsb -->
    <field name="Buffer lo" size="32" start="0" type="hex"/>
  </struct>

  <struct name="Index List: Count" size="4">
    <!-- Vertex count for non-indexed, index count for index count -->
    <field name="Count" size="32" start="0" type="uint"/>
  </struct>

  <struct name="Index List: Instances" size="4">
    <field name="Count" size="32" start="0" type="uint"/> <!-- must be nonzero -->
  </struct>

  <struct name="Index List: Start" size="4">
    <!-- Base vertex for indexed draws -->
    <field name="Start" size="32" start="0" type="uint"/>
  </struct>

  <struct name="Index List: Buffer size" size="4">
    <field name="Size" size="32" start="0" type="uint" modifier="shr(2)"/>
  </struct>

  <struct name="Index List: Indirect buffer" size="8">
    <field name="Address hi" size="8" start="0" type="hex"/>
    <field name="Address lo" size="32" start="32" type="hex"/>
  </struct>

  <!-- Conditional branching and function calls may be supported, see the
       STREAM_LINK0 struct in mesa/src/imagination/csbgen/rogue_vdm.xml for a
       probable definition -->
  <struct name="VDM Stream Link" size="8">
    <field name="Target hi" size="8" start="0" type="hex"/>
    <field name="With return" size="1" start="28" type="bool"/>
    <field name="Block Type" size="3" start="29" type="VDM Block Type" default="Stream Link"/>
    <field name="Target lo" size="32" start="32" type="hex"/>
  </struct>

  <struct name="VDM Tessellate" size="4">
    <field name="Factor buffer hi" size="8" start="0" type="hex"/>
    <field name="Unknown 0" size="12" start="8" type="hex"/> <!-- 0xc -->

    <!-- Set for both indirect and direct -->
    <field name="Unknown 2" size="1" start="20" type="bool"/>

    <!-- Present for both indirect and direct -->
    <!-- XXX: Order is an (educated) guess -->
    <field name="Factor buffer present" size="1" start="21" type="bool"/>

    <!-- XXX: out of bits???? not set for indirect??? -->
    <field name="Patch count present" size="1" start="22" type="bool"/>

    <!-- These four are omitted for indirect draws -->
    <!-- XXX: Order is an (educated) guess -->
    <field name="Instance count present" size="1" start="22" type="bool"/>
    <field name="Base patch present" size="1" start="23" type="bool"/>
    <field name="Base instance present" size="1" start="25" type="bool"/>
    <!-- XXX: Out of bits!!! -->
    <field name="Instance stride present" size="1" start="25" type="bool"/>

    <field name="Indirect present" size="1" start="26" type="bool"/>
    <!-- Present for both indirect and direct -->
    <field name="Unknown present" size="1" start="28" type="bool"/>

    <field name="Unknown 1" size="1" start="28" type="hex"/> <!-- 1 -->
    <field name="Block Type" size="3" start="29" type="VDM Block Type" default="Tessellate"/>
  </struct>

  <struct name="VDM Tessellate: Factor buffer" size="4">
    <field name="Factor buffer lo" size="32" start="0" type="hex"/>
  </struct>

  <struct name="VDM Tessellate: Patch count" size="4">
    <field name="Patch count" size="32" start="0" type="uint"/>
  </struct>

  <struct name="VDM Tessellate: Instance count" size="4">
    <field name="Instance count" size="32" start="0" type="uint"/>
  </struct>

  <struct name="VDM Tessellate: Base patch" size="4">
    <field name="Base patch" size="32" start="0" type="uint"/>
  </struct>

  <struct name="VDM Tessellate: Base instance" size="4">
    <field name="Base instance" size="32" start="0" type="uint"/>
  </struct>

  <struct name="VDM Tessellate: Instance stride" size="4">
    <!-- Divided by 4 for QUADS -->
    <field name="Instance stride" size="32" start="0" type="uint"/>
  </struct>

  <struct name="VDM Tessellate: Indirect" size="12">
    <!-- Address of the indirect buffer, format presumably matches Metal -->
    <field name="Address hi" size="8" start="0:0" type="hex"/>
    <field name="Address lo" size="32" start="1:0" type="hex"/>

    <!-- # of bytes in the buffer, presumably for hw bounds checking -->
    <field name="Size" size="32" start="2:0" type="uint"/>
  </struct>

  <struct name="VDM Tessellate: Unknown" size="4">
    <field name="Unknown 7" size="32" start="0" type="hex"/> <!-- 3F -->
  </struct>

  <struct name="VDM Stream Terminate" size="32">
    <field name="Block Type" size="3" start="29" type="VDM Block Type" default="Stream Terminate"/>
  </struct>

  <!-- VDM commands end -->

  <!-- CDM commands start -->
  <enum name="CDM Block Type">
    <value name="Launch" value="0"/>
    <value name="Stream Link" value="1"/>
    <value name="Stream Terminate" value="2"/>
    <value name="Barrier" value="3"/>
  </enum>

  <enum name="CDM Mode">
    <!-- Global size + Local size -->
    <value name="Direct" value="0"/>

    <!-- Indirect buffer + Local size. Indirect buffer contains 3x 32-bit global
         size. Used for indirect dispatch when the local size must be
         fixed (e.g. due to local memory being used) -->
    <value name="Indirect global" value="1"/>

    <!-- Indirect buffer, containing 6x 32-bit size. Used for indirect dispatch
         when the driver wants to optimize the local size with an auxiliary
         compute kernel (requiring e.g. no local memory use) -->
    <value name="Indirect local" value="2"/>
  </enum>

  <struct name="CDM Launch Word 0" size="4">
    <field name="Uniform register count" size="3" start="1" type="uint" modifier="groups(64)"/>
    <field name="Texture state register count" size="5" start="4" type="uint" modifier="groups(8)"/>
    <field name="Sampler state register count" size="3" start="9" type="Sampler states"/>
    <field name="Preshader register count" size="4" start="12" type="uint" modifier="groups(16)"/>
    <field name="Mode" size="2" start="27" type="CDM Mode"/>
    <field name="Block Type" size="3" start="29" type="CDM Block Type" default="Launch"/>
  </struct>

  <struct name="CDM Launch Word 1" size="4">
    <field name="Pipeline" size="26" start="6" type="address" modifier="shr(6)"/>
  </struct>

  <struct name="CDM Unk G14X" size="8">
    <field name="Unknown 30" size="1" start="1:30" type="bool" default="true"/>
  </struct>

  <struct name="CDM Indirect" size="8">
    <field name="Address hi" size="8" start="0" type="hex"/>
    <field name="Address lo" size="30" start="34" type="hex" modifier="shr(2)"/>
  </struct>

  <struct name="CDM Global size" size="12">
    <field name="X" size="32" start="0:0" type="uint"/>
    <field name="Y" size="32" start="1:0" type="uint"/>
    <field name="Z" size="32" start="2:0" type="uint"/>
  </struct>

  <struct name="CDM Local size" size="12">
    <field name="X" size="32" start="0:0" type="uint"/>
    <field name="Y" size="32" start="1:0" type="uint"/>
    <field name="Z" size="32" start="2:0" type="uint"/>
  </struct>

  <struct name="CDM Barrier" size="4">
    <field name="Unk 0" size="1" start="0" type="bool" default="false"/>
    <field name="Unk 1" size="1" start="1" type="bool" default="false"/>
    <field name="Unk 2" size="1" start="2" type="bool" default="false"/>
    <field name="USC cache inval" size="1" start="3" type="bool" default="false"/>
    <field name="Unk 4" size="1" start="4" type="bool" default="false"/>
    <field name="Unk 5" size="1" start="5" type="bool" default="false"/>
    <field name="Unk 6" size="1" start="6" type="bool" default="false"/>
    <field name="Unk 7" size="1" start="7" type="bool" default="false"/>
    <field name="Unk 8" size="1" start="8" type="bool" default="false"/>
    <field name="Unk 9" size="1" start="9" type="bool" default="false"/>
    <field name="Unk 10" size="1" start="10" type="bool" default="false"/>
    <field name="Unk 11" size="1" start="11" type="bool" default="false"/>
    <field name="Unk 12" size="1" start="12" type="bool" default="false"/>
    <field name="Unk 13" size="1" start="13" type="bool" default="false"/>
    <field name="Unk 14" size="1" start="14" type="bool" default="false"/>
    <field name="Unk 15" size="1" start="15" type="bool" default="false"/>
    <field name="Unk 16" size="1" start="16" type="bool" default="false"/>
    <field name="Unk 17" size="1" start="17" type="bool" default="false"/>
    <field name="Unk 18" size="1" start="18" type="bool" default="false"/>
    <field name="Unk 19" size="1" start="19" type="bool" default="false"/>
    <field name="Unk 20" size="1" start="20" type="bool" default="false"/>
    <field name="Unk 24" size="1" start="24" type="bool" default="false"/>
    <field name="Unk 26" size="1" start="26" type="bool" default="false"/>
    <field name="Returns" size="1" start="27" type="bool" default="false"/>
    <field name="Block Type" size="3" start="29" type="CDM Block Type" default="Barrier"/>
  </struct>

  <struct name="CDM Stream Link" size="8">
    <field name="Target hi" size="8" start="0" type="hex"/>
    <field name="Block Type" size="3" start="29" type="CDM Block Type" default="Stream Link"/>
    <field name="Target lo" size="32" start="32" type="hex"/>
  </struct>

  <struct name="CDM Stream Terminate" size="8">
    <field name="Block Type" size="3" start="29" type="CDM Block Type" default="Stream Terminate"/>
  </struct>
  <!-- CDM commands end -->

  <!--- The rest of this file is likely software defined by macOS kernel -->
  <enum name="IOGPU Attachment Type">
    <value name="Colour" value="0xE"/>
    <value name="Depth" value="0x10"/>
    <value name="Stencil" value="0x11"/>
    <value name="Visibility" value="0x12"/>
  </enum>

  <struct name="IOGPU Attachment" size="24">
    <field name="Unk 0" start="0:0" size="16" default="0x100" type="hex"/>
    <field name="Address" start="0:16" size="48" type="address"/>
    <field name="Type" start="2:16" size="16" type="IOGPU Attachment Type"/>
    <field name="Size" start="3:9" size="32" type="uint"/>
    <field name="Unk 3" start="4:16" size="4" type="hex" default="0xC"/>
    <!-- Percent of total attachment space used for this attachment, expressed
         in a decimal percentage [0, 100] <field name="Percent" start="5:16" -->
    <field name="Percent" start="5:16" size="16" type="uint"/>
  </struct>

  <enum name="ZLS Format">
    <value name="32F" value="0"/>
    <value name="16" value="2"/>
  </enum>

  <struct name="ZLS Control" size="8">
    <field name="Unknown 0" start="0" size="1" type="bool"/>
    <field name="Unknown 1" start="1" size="1" type="bool"/>
    <field name="Z Compress 1" start="2" size="1" type="bool"/>
    <field name="Unknown 3" start="3" size="1" type="bool"/>
    <field name="S Compress 1" start="4" size="1" type="bool"/>
    <field name="Unknown 5" start="5" size="1" type="bool"/>
    <field name="Z Compress 2" start="6" size="1" type="bool"/>
    <field name="Unknown 7" start="7" size="1" type="bool"/>
    <field name="S Compress 2" start="8" size="1" type="bool"/>
    <field name="S Load Enable" start="14" size="1" type="bool"/>
    <field name="Z Load Enable" start="15" size="1" type="bool"/>
    <field name="S Store Enable" start="18" size="1" type="bool"/>
    <field name="Z Store Enable" start="19" size="1" type="bool"/>
    <field name="Z Format" start="25" size="2" type="ZLS Format"/>
    <field name="Z Resolve" start="56" size="1" type="bool"/>
    <field name="S Resolve" start="58" size="1" type="bool"/>
  </struct>

  <struct name="IOGPU Header" size="64">
    <field name="Unk 0" start="0:0" size="32" default="0x10000" type="hex"/>
    <field name="Total size" start="1:0" size="32" type="uint"/>
    <!-- 0x7 in 11.x -->
    <field name="Unk 2" start="2:0" size="32" default="0x4" type="hex"/>
    <field name="Attachment length" start="9:0" size="32" type="uint"/>
    <field name="Attachment offset" start="10:0" size="32" type="uint"/>
    <field name="Unknown offset" start="11:0" size="32" type="uint"/>
    <field name="Unk 4" start="12:0" size="32" default="0x30" type="hex"/>
    <field name="Unk 5" start="13:0" size="32" default="0x01" type="hex"/>
    <field name="Encoder" start="14:0" size="64" type="address"/>
  </struct>

  <struct name="Spill Buffer Histogram" size="60">
    <field name="Bin 0" start="0:0" size="4" type="uint"/>
    <field name="Bin 1" start="1:0" size="4" type="uint"/>
    <field name="Bin 2" start="2:0" size="4" type="uint"/>
    <field name="Bin 3" start="3:0" size="4" type="uint"/>
    <field name="Bin 4" start="4:0" size="4" type="uint"/>
    <field name="Bin 5" start="5:0" size="4" type="uint"/>
    <field name="Bin 6" start="6:0" size="4" type="uint"/>
    <field name="Bin 7" start="7:0" size="4" type="uint"/>
    <field name="Bin 8" start="8:0" size="4" type="uint"/>
    <field name="Bin 9" start="9:0" size="4" type="uint"/>
    <field name="Bin 10" start="10:0" size="4" type="uint"/>
    <field name="Bin 11" start="11:0" size="4" type="uint"/>
    <field name="Bin 12" start="12:0" size="4" type="uint"/>
    <field name="Bin 13" start="13:0" size="4" type="uint"/>
    <field name="Bin 14" start="14:0" size="4" type="uint"/>
  </struct>

  <struct name="IOGPU Compute" size="384">
    <field name="Deflake 1" start="20:0" size="64" type="address"/>
    <field name="Terminate of encoder" start="22:0" size="64" type="address"/>
    <field name="Deflake 2" start="26:0" size="64" type="address"/>
    <field name="Deflake 3" start="28:0" size="64" type="address"/>
    <field name="Deflake 4" start="30:0" size="64" type="address"/>
    <field name="Deflake 5" start="32:0" size="64" type="address"/>
    <field name="Unk 34" start="34:0" size="32" default="1" type="hex"/>
    <field name="Unk address" start="36:0" size="64" type="address"/>
    <field name="Unk 40" start="40:0" size="32" default="0x1c" type="hex"/>
    <field name="Encoder ID" start="41:0" size="32" type="hex"/>
    <field name="Unk 44" start="44:0" size="32" default="0xffffffff" type="hex"/>
    <field name="Context switch program" start="48:0" size="32" type="address"/>

    <!-- An enum that's purely macOS defined UAPI. Doesn't matter for us.
    More info at https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21062#note_1754715 -->
    <field name="Context switch block size" start="56:0" size="4" default="2" type="hex"/>
    <field name="Spilling unk 1" start="57:3" size="1" type="bool"/>
    <!-- Depends on grid size, as well as other factors. TODO: Decode. -->
    <field name="Number of context switch buffers" start="58:0" size="32" default="1" type="uint"/>
    <field name="Spill Buffer Histogram" start="60:0" size="480" type="Spill Buffer Histogram"/>
    <!-- Lina's guess at the meaning -->
    <field name="Enable context switching" start="75:16" size="1" default="true" type="bool"/>
    <field name="Unk 94" start="94:0" size="32" default="0xffffffff" type="hex"/>
    <field name="Unk 95" start="95:0" size="32" default="0xffffffff" type="hex"/>
  </struct>

  <struct name="IOGPU Graphics" size="1920">
    <!-- if either deflake address is null, rendering gets flaky for high
         geometry counts -->
    <field name="Deflake 1" start="22:0" size="64" type="address"/>
    <field name="Deflake 2" start="24:0" size="64" type="address"/>
    <field name="Unk 54" start="38:0" size="32" default="0x6b0003" type="hex"/>
    <field name="Unk 55" start="39:0" size="32" default="0x3a0012" type="hex"/>
    <field name="Unk 56" start="40:0" size="32" default="0x1" type="hex"/>
    <field name="Deflake 3" start="94:0" size="64" type="address"/>
    <field name="Unk 112" start="96:0" size="32" default="0x1" type="hex"/>
    <field name="Unk 114" start="98:0" size="32" default="0x1c" type="hex"/>
    <field name="Memoryless render targets used" start="100:0" size="1" type="bool"/>
    <field name="OpenGL depth clipping" start="100:24" size="1" type="bool"/>
    <field name="Unk 118" start="102:0" size="32" default="0xffffffff" type="hex"/>
    <field name="Unk 119" start="103:0" size="32" default="0xffffffff" type="hex"/>
    <field name="Unk 120" start="104:0" size="32" default="0xffffffff" type="hex"/>

    <field name="Clear pipeline bind" start="146:0" size="32" type="hex"/>
    <field name="Clear pipeline unk" start="148:0" size="4" default="4" type="hex"/>
    <field name="Clear pipeline" start="148:4" size="28" type="address" modifier="shr(4)"/>
    <field name="Store pipeline bind" start="154:0" size="32" type="hex"/>
    <field name="Store pipeline unk" start="156:0" size="4" default="4" type="hex"/>
    <field name="Store pipeline" start="156:4" size="28" type="address" modifier="shr(4)"/>
    <field name="Scissor array" start="158:0" size="64" type="address"/>
    <field name="Depth bias array" start="160:0" size="64" type="address"/>
    <field name="ZLS control" start="164:0" size="32" type="ZLS Control"/>
    <field name="Depth width" start="170:0" size="15" type="uint" default="1" modifier="minus(1)"/>
    <field name="Depth height" start="170:15" size="15" type="uint" default="1" modifier="minus(1)"/>
    <field name="Depth buffer 1" start="172:7" size="33" type="address" modifier="shr(7)"/>
    <!-- Normally 0, 0x38001 with layered -->
    <field name="Depth unknown 1" start="176:0" size="32" type="hex"/>
    <field name="Depth acceleration buffer 1" start="178:7" size="33" type="address" modifier="shr(7)"/>
    <field name="Depth buffer 2" start="182:7" size="33" type="address" modifier="shr(7)"/>
    <field name="Depth acceleration buffer 2" start="188:7" size="33" type="address" modifier="shr(7)"/>
    <!-- Normally 0, 0x38001 with layered -->
    <field name="Depth unknown 2" start="186:0" size="32" type="hex"/>
    <field name="Stencil buffer 1" start="192:7" size="33" type="address" modifier="shr(7)"/>
    <!-- Normally 0, 0x10001 with layered -->
    <field name="Stencil unknown 1" start="196:0" size="32" type="hex"/>
    <field name="Stencil acceleration buffer 1" start="198:7" size="33" type="address" modifier="shr(7)"/>
    <field name="Stencil buffer 2" start="202:7" size="33" type="address" modifier="shr(7)"/>
    <!-- Normally 0, 0x10001 with layered -->
    <field name="Stencil unknown 2" start="206:0" size="32" type="hex"/>
    <field name="Stencil acceleration buffer 2" start="208:7" size="33" type="address" modifier="shr(7)"/>
    <!-- Proportional to tile width * tile height * sample count -->
    <field name="Unk 212" start="212:0" size="32" default="0x4" type="hex"/>
    <field name="Unk 214" start="214:0" size="16" default="0xc000" type="hex"/>
    <field name="Z16 Unorm attachment 1" start="214:18" size="1" type="bool"/>
    <field name="Width 1" start="216:0" size="32" type="uint"/>
    <field name="Height 1" start="217:0" size="32" type="uint"/>
    <field name="Pointer" start="218:0" size="64" type="address"/>

    <!-- 0x40 with frag spilling -->
    <field name="Spilling unk 1" start="226:0" size="32" type="hex"/>
    <field name="Spill Buffer Histogram" start="238:0" size="480" type="Spill Buffer Histogram"/>

    <!-- Encoded like the depth attachment -->
    <field name="Depth clear value" start="276:0" size="32" type="hex"/>
    <field name="Stencil clear value" start="277:0" size="8" type="uint"/>
    <field name="Unk 277" start="277:8" size="8" type="hex" default="3"/>
    <field name="Set when reloading Z or S 1" start="279:8" size="1" type="bool"/>
    <field name="Set when frag shader spills" start="279:24" size="1" type="bool"/>
    <field name="Set when reloading Z or S 2" start="280:24" size="1" type="bool"/>
    <field name="Z16 Unorm attachment 2" start="281:8" size="1" type="bool"/>
    <field name="Unk 282" start="282:0" size="32" type="hex" default="0xffffffff"/>
    <field name="Unk 283" start="283:0" size="32" type="hex" default="0xffffffff"/>
    <field name="Unk 284" start="284:0" size="32" type="hex" default="0xffffffff"/>
    <field name="Visibility result buffer" start="286:0" size="64" type="address"/>
    <field name="Partial reload pipeline bind" start="296:0" size="32" type="hex"/>
    <field name="Partial reload pipeline unk" start="298:0" size="4" default="4" type="hex"/>
    <field name="Partial reload pipeline" start="298:4" size="28" type="address" modifier="shr(4)"/>
    <field name="Partial store pipeline bind" start="304:0" size="32" type="hex"/>
    <field name="Partial store pipeline unk" start="306:0" size="4" default="4" type="hex"/>
    <field name="Partial store pipeline" start="306:4" size="28" type="address" modifier="shr(4)"/>

    <!-- New in 12.x -->
    <field name="Depth buffer 3" start="340:0" size="64" type="address"/>
    <field name="Depth acceleration buffer 3" start="342:0" size="64" type="address"/>
    <field name="Stencil buffer 3" start="344:0" size="64" type="address"/>
    <field name="Stencil acceleration buffer 3" start="346:0" size="64" type="address"/>
    <!-- maybe only set when doing a depth clear? -->
    <!-- 0x1000000 bit set with memoryless render targets? -->
    <field name="Unk 352" start="352:0" size="32" default="0x1" type="hex"/>
    <field name="Unk 360" start="360:0" size="32" default="0x1c" type="hex"/>
    <field name="Encoder ID" start="362:0" size="32" type="hex"/>
    <!-- top bit maybe only set with a depth clear? -->
    <field name="Unk 365" start="365:0" size="64" default="0x1ffffffff" type="hex"/>
    <field name="Unknown buffer" start="370:0" size="64" type="address"/>
    <field name="Width 2" start="382:0" size="32" type="uint"/>
    <field name="Height 2" start="383:0" size="32" type="uint"/>
    <field name="Sample count" start="384:0" size="32" default="1" type="uint"/>

    <!-- Divided by 16 and rounded -->
    <field name="Sample 0 X" start="385:0" size="5" default="8" type="uint"/>
    <field name="Sample 0 Y" start="386:0" size="5" default="8" type="uint"/>
    <field name="Sample 1 X" start="387:0" size="5" default="0" type="uint"/>
    <field name="Sample 1 Y" start="388:0" size="5" default="0" type="uint"/>
    <field name="Sample 2 X" start="389:0" size="5" default="0" type="uint"/>
    <field name="Sample 2 Y" start="390:0" size="5" default="0" type="uint"/>
    <field name="Sample 3 X" start="391:0" size="5" default="0" type="uint"/>
    <field name="Sample 3 Y" start="392:0" size="5" default="0" type="uint"/>

    <!-- if tile size 32x32: max(tib allocation, 8) rounded to POT
         if tile size 32x16: that, halved
         -->
    <field name="Unk 49:0" start="401:0" size="32" default="8" type="uint"/>
    <field name="Tile width" start="402:0" size="32" default="32" type="uint"/>
    <field name="Tile height" start="403:0" size="32" default="32" type="uint"/>
    <!-- Number of framebuffer layers when rendering to a layered framebuffer (1
        otherwise). This affects tiling calculations. It also affects how many
    times the background program and end-of-tile programs are executed. The
    layer index is available in sr2. -->
    <field name="Framebuffer layers" start="404:0" size="32" default="1" type="uint"/>
    <field name="Unk 56:0" start="408:0" size="32" default="0" type="uint"/>
    <field name="Unk 70:0" start="410:0" size="32" default="1" type="uint"/>
  </struct>

  <struct name="IOGPU Attachment Count" size="16">
    <field name="Count" start="3:0" size="32" type="uint"/>
  </struct>

</genxml>