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1<agxml>
2  <enum name="Channel">
3    <value name="R" value="0"/>
4    <value name="G" value="1"/>
5    <value name="B" value="2"/>
6    <value name="A" value="3"/>
7    <value name="1" value="4"/>
8    <value name="0" value="5"/>
9  </enum>
10
11  <enum name="ZS Func">
12    <value name="Never" value="0"/>
13    <value name="Less" value="1"/>
14    <value name="Equal" value="2"/>
15    <value name="Lequal" value="3"/>
16    <value name="Greater" value="4"/>
17    <value name="Not Equal" value="5"/>
18    <value name="Gequal" value="6"/>
19    <value name="Always" value="7"/>
20  </enum>
21
22  <enum name="Compare func">
23    <value name="Lequal" value="0"/>
24    <value name="Gequal" value="1"/>
25    <value name="Less" value="2"/>
26    <value name="Greater" value="3"/>
27    <value name="Equal" value="4"/>
28    <value name="Not Equal" value="5"/>
29    <value name="Always" value="6"/>
30    <value name="Never" value="7"/>
31  </enum>
32
33  <enum name="Stencil Op">
34    <value name="Keep" value="0"/>
35    <value name="Zero" value="1"/>
36    <value name="Replace" value="2"/>
37    <value name="Incr Sat" value="3"/>
38    <value name="Decr Sat" value="4"/>
39    <value name="Invert" value="5"/>
40    <value name="Incr Wrap" value="6"/>
41    <value name="Decr Wrap" value="7"/>
42  </enum>
43
44  <enum name="Polygon Mode">
45    <value name="Fill" value="0"/>
46    <value name="Line" value="1"/>
47    <value name="Point" value="2"/>
48  </enum>
49
50  <enum name="Primitive">
51    <value name="Points" value="0"/>
52    <value name="Lines" value="1"/>
53    <value name="Line strip" value="3"/>
54    <value name="Line loop" value="5"/>
55    <value name="Triangles" value="6"/>
56    <value name="Triangle strip" value="9"/>
57    <value name="Triangle fan" value="10"/>
58    <value name="Quads" value="14"/> <!-- guess, confirm with piglit later XXX -->
59    <value name="Quad strip" value="15"/> <!-- guess, confirm with piglit later XXX -->
60  </enum>
61
62  <enum name="Layout">
63    <value name="Linear" value="0"/>
64    <!-- Morton order with 64x64 tiles -->
65    <value name="Tiled 64x64" value="2"/>
66  </enum>
67
68  <enum name="Channels">
69    <value name="R8" value="0x00"/>
70    <value name="R16" value="0x09"/>
71    <value name="R8G8" value="0x0A"/>
72    <value name="R5G6B5" value="0x0B"/>
73    <value name="R4G4B4A4" value="0x0C"/>
74    <value name="A1R5G5B5" value="0x0D"/>
75    <value name="R5G5B5A1" value="0x0E"/>
76    <value name="R32" value="0x21"/>
77    <value name="R16G16" value="0x23"/>
78    <value name="R11G11B10" value="0x25"/>
79    <value name="R10G10B10A2" value="0x26"/>
80    <value name="R9G9B9E5" value="0x27"/>
81    <value name="R8G8B8A8" value="0x28"/>
82    <value name="R32G32" value="0x31"/>
83    <value name="R16G16B16A16" value="0x32"/>
84    <value name="R32G32B32A32" value="0x38"/>
85    <value name="GBGR 422" value="0x40"/> <!-- Subsampled, swizzle BRG1 -->
86    <value name="BGRG 422" value="0x41"/> <!-- Subsampled, swizzle BRG1 -->
87
88    <!-- Compressed -->
89    <value name="PVRTC 2bpp" value="0x50"/>
90    <value name="PVRTC 4bpp" value="0x51"/>
91
92    <value name="ETC2 RGB8" value="0x58"/>
93    <value name="ETC2 RGBA8" value="0x59"/>
94    <value name="ETC2 RGB8A1" value="0x5A"/>
95    <value name="EAC R11" value="0x5B"/>
96    <value name="EAC RG11" value="0x5C"/>
97
98    <value name="ASTC 4x4 LDR" value="0x60"/>
99    <value name="ASTC 5x4 LDR" value="0x61"/>
100    <value name="ASTC 5x5 LDR" value="0x62"/>
101    <value name="ASTC 6x5 LDR" value="0x63"/>
102    <value name="ASTC 6x6 LDR" value="0x64"/>
103    <value name="ASTC 8x5 LDR" value="0x65"/>
104    <value name="ASTC 8x6 LDR" value="0x66"/>
105    <value name="ASTC 8x8 LDR" value="0x67"/>
106    <value name="ASTC 10x5 LDR" value="0x68"/>
107    <value name="ASTC 10x6 LDR" value="0x69"/>
108    <value name="ASTC 10x8 LDR" value="0x6A"/>
109    <value name="ASTC 10x10 LDR" value="0x6B"/>
110    <value name="ASTC 12x10 LDR" value="0x6C"/>
111    <value name="ASTC 12x12 LDR" value="0x6D"/>
112
113    <value name="BC1" value="0x74"/>
114    <value name="BC2" value="0x75"/>
115    <value name="BC3" value="0x76"/>
116    <value name="BC4" value="0x77"/>
117    <value name="BC5" value="0x78"/>
118    <value name="BC6H" value="0x79"/>
119    <value name="BC6H Ufloat" value="0x7A"/>
120    <value name="BC7" value="0x7B"/>
121  </enum>
122
123  <enum name="Texture Type">
124    <value name="Unorm" value="0"/>
125    <value name="Snorm" value="1"/>
126    <value name="Uint" value="2"/>
127    <value name="Sint" value="3"/>
128    <value name="Float" value="4"/>
129    <value name="XR" value="5"/>
130  </enum>
131
132  <struct name="Varying header" size="4">
133    <field name="Triangle slots" size="8" start="0:0" type="uint"/>
134    <field name="Point slots" size="8" start="0:8" type="uint"/>
135  </struct>
136
137  <enum name="Varying Type">
138    <value name="Flat (first)" value="0"/>
139    <value name="Flat (last)" value="2"/>
140    <value name="Fragcoord W" value="3"/>
141    <value name="Smooth" value="7"/>
142    <value name="Fragcoord Z" value="11"/>
143    <value name="Point coordinates" value="19"/>
144  </enum>
145
146  <struct name="Varying" size="4">
147    <field name="Components" size="2" start="0" type="uint" modifier="minus(1)"/>
148    <field name="Type" size="6" start="2" type="Varying Type" default="Smooth"/>
149    <field name="Triangle slot" size="8" start="8" type="uint"/>
150    <field name="Point slot" size="8" start="16" type="uint"/>
151  </struct>
152
153  <struct name="Format" size="2">
154    <field name="Channels" size="7" start="0" type="Channels"/>
155    <field name="Type" size="3" start="7" type="Texture Type"/>
156  </struct>
157
158  <struct name="Render Target" size="16">
159    <field name="Unknown" size="4" start="0" type="hex" default="0x2"/>
160    <field name="Layout" size="2" start="4" type="Layout"/>
161    <field name="Format" size="10" start="6" type="Pixel Format"/>
162    <field name="Swizzle R" size="2" start="16" type="Channel"/>
163    <field name="Swizzle G" size="2" start="18" type="Channel"/>
164    <field name="Swizzle B" size="2" start="20" type="Channel"/>
165    <field name="Swizzle A" size="2" start="22" type="Channel"/>
166    <field name="Width" size="14" start="24" type="uint" modifier="minus(1)"/>
167    <field name="Height" size="14" start="38" type="uint" modifier="minus(1)"/>
168    <field name="Unk 52" size="1" start="52" type="bool"/>
169    <field name="Rotate 90" size="1" start="53" type="bool" default="false"/>
170    <field name="Flip vertical" size="1" start="54" type="bool" default="false"/>
171    <field name="Unk 55" size="9" start="55" type="hex"/>
172    <field name="Buffer" size="36" start="64" type="address" modifier="shr(4)"/>
173    <!-- N.b. sRGB is not specified here -->
174    <!-- Off by 4? -->
175    <field name="Stride" size="24" start="104" type="hex" prefix="AGX_RT_STRIDE">
176      <value name="Tiled" value="0x100000"/>
177    </field>
178  </struct>
179
180  <enum name="Texture dimension">
181    <value name="2D" value="2"/>
182    <value name="Cube" value="6"/>
183  </enum>
184
185  <!-- Payloads follow, right-shifted by 4 because of course -->
186  <struct name="Texture" size="16">
187    <field name="Dimension" size="4" start="0" type="Texture dimension" default="2D"/>
188    <field name="Layout" size="2" start="4" type="Layout"/>
189    <field name="Format" size="10" start="6" type="Pixel Format"/>
190    <field name="Swizzle R" size="3" start="16" type="Channel" default="R"/>
191    <field name="Swizzle G" size="3" start="19" type="Channel" default="G"/>
192    <field name="Swizzle B" size="3" start="22" type="Channel" default="B"/>
193    <field name="Swizzle A" size="3" start="25" type="Channel" default="A"/>
194    <field name="Width" size="14" start="28" type="uint" modifier="minus(1)"/>
195    <field name="Height" size="14" start="42" type="uint" modifier="minus(1)"/>
196    <field name="Levels" size="6" start="60" type="uint" modifier="minus(1)"/>
197    <field name="Address" size="36" start="66" type="hex" modifier="shr(4)"/>
198    <!-- Unknown bit set by Metal when mipmapping. Might relate to a mechanism
199    to switch tile size (or disable tiling altogether?) at small mip levels to
200    reduce wasted memory due to padding. Causing test flakiness when set. -->
201    <field name="Unk mipmapped" size="1" start="102" type="bool"/>
202    <field name="Compression" size="2" start="106" type="hex"/> <!-- 0 for 64x64 tiling -->
203    <field name="sRGB" size="1" start="108" type="bool"/>
204    <field name="Unk 2" size="1" start="109" type="bool"/>
205    <field name="Stride" size="18" start="110" type="hex" modifier="shr(4)"/>
206  </struct>
207
208  <enum name="Wrap">
209    <value name="Clamp to edge" value="0"/>
210    <value name="Repeat" value="1"/>
211    <value name="Mirrored repeat" value="2"/>
212    <value name="Clamp to border" value="3"/>
213  </enum>
214
215  <enum name="Mip filter">
216    <value name="None" value="0"/>
217    <value name="Nearest" value="1"/>
218    <value name="Linear" value="2"/>
219  </enum>
220
221  <enum name="Border colour">
222    <value name="Transparent black" value="0"/>
223    <value name="Opaque black" value="1"/>
224    <value name="Opaque white" value="2"/>
225  </enum>
226
227  <struct name="Sampler" size="8">
228    <field name="Unk 1" size="2" start="17" type="hex" default="3"/>
229    <field name="Unk 2" size="1" start="19" type="bool" default="true"/>
230    <field name="Magnify linear" size="1" start="23" type="bool"/>
231    <field name="Minify linear" size="1" start="25" type="bool"/>
232    <field name="Mip filter" size="2" start="27" type="Mip filter"/>
233    <field name="Wrap S" size="3" start="29" type="Wrap"/>
234    <field name="Wrap T" size="3" start="32" type="Wrap"/>
235    <field name="Wrap R" size="3" start="35" type="Wrap"/>
236    <field name="Pixel coordinates" size="1" start="38" type="bool"/>
237    <field name="Compare func" size="3" start="39" type="Compare func"/>
238    <field name="Unk 3" size="1" start="42" type="hex" default="1"/>
239    <field name="Border colour" size="2" start="55" type="Border colour"/>
240  </struct>
241
242  <!--- Identified by tag? -->
243  <struct name="Viewport" size="40">
244    <field name="Tag" size="32" start="0:0" type="hex" default="0xc00"/>
245
246    <!-- Acts like a scissor at 32x32 tile boundaries, ignored unless clip tile is set -->
247    <field name="Max tile X" size="9" start="1:0" type="uint" modifier="minus(1)"/>
248    <field name="Min tile X" size="9" start="1:16" type="uint"/>
249    <field name="Clip tile" size="1" start="1:31" type="bool"/>
250    <field name="Max tile Y" size="9" start="2:0" type="uint" modifier="minus(1)"/>
251    <field name="Min tile Y" size="9" start="2:16" type="uint"/>
252
253    <!-- Used to convert clip space coordinates to NDC, does not clip -->
254    <field name="Translate X" size="32" start="4:0" type="float"/>
255    <field name="Scale X" size="32" start="5:0" type="float"/>
256    <field name="Translate Y" size="32" start="6:0" type="float"/>
257    <field name="Scale Y" size="32" start="7:0" type="float"/>
258
259    <!-- Specifies an affine transformation from clip coordinates to viewport
260    depth coordinates. For APIs with clip coordinates [0, 1], this cooresponds
261    to near z and (far z - near z) respectively. In general, given clip
262    coordinate z_in, the viewport depth is given as (z_in * scale_z) +
263    translate_z.  For example, the default [0, 1] depth buffer in OpenGL with
264    [-1, +1] clip coordinates is specified as scale = 1/2, bias = 1/2 -->
265    <field name="Translate Z" size="32" start="8:0" type="float"/>
266    <field name="Scale Z" size="32" start="9:0" type="float"/>
267  </struct>
268
269  <!--- Pointed to from the command buffer -->
270  <struct name="Scissor" size="16">
271    <field name="Max X" size="16" start="0:0" type="uint"/>
272    <field name="Min X" size="16" start="0:16" type="uint"/>
273    <field name="Max Y" size="16" start="1:0" type="uint"/>
274    <field name="Min Y" size="16" start="1:16" type="uint"/>
275    <field name="Min Z" size="32" start="2:0" type="float"/>
276    <field name="Max Z" size="32" start="3:0" type="float"/>
277  </struct>
278
279  <struct name="Rasterizer face" size="8">
280    <field name="Stencil reference" size="8" start="0:0" type="hex"/>
281    <!-- line width is 4:4 fixed point with off-by-one applied -->
282    <field name="Line width" size="8" start="0:8" type="hex"/>
283    <field name="Polygon mode" size="2" start="0:18" type="Polygon Mode"/>
284    <field name="Disable depth write" size="1" start="0:21" type="bool"/>
285    <field name="Depth function" size="3" start="0:24" type="ZS Func"/>
286    <field name="Stencil write mask" size="8" start="1:0" type="hex"/>
287    <field name="Stencil read mask" size="8" start="1:8" type="hex"/>
288    <field name="Depth pass" size="3" start="1:16" type="Stencil Op"/>
289    <field name="Depth fail" size="3" start="1:19" type="Stencil Op"/>
290    <field name="Stencil fail" size="3" start="1:22" type="Stencil Op"/>
291    <field name="Stencil compare" size="3" start="1:25" type="ZS Func"/>
292  </struct>
293
294  <struct name="Rasterizer" size="28">
295    <field name="Tag" size="32" start="0:0" type="hex" default="0x10000b5"/>
296    <field name="Unk 1" size="1" start="1:9" type="hex" default="0x1"/>
297    <field name="Scissor enable" size="1" start="1:16" type="bool"/>
298    <field name="Unk ZS" size="1" start="1:18" type="hex" default="0x1"/>
299    <field name="Unk 2" size="2" start="1:19" type="hex" default="0x0"/>
300    <field name="Unk fill lines" size="1" start="1:26" type="hex" default="0x0"/> <!-- set when drawing LINES -->
301    <field name="Front" size="64" start="2:0" type="Rasterizer face"/>
302    <field name="Back" size="64" start="4:0" type="Rasterizer face"/>
303  </struct>
304
305  <struct name="Cull" size="8">
306    <field name="Tag" size="32" start="0:0" type="hex" default="0x200000"/>
307    <field name="Cull front" size="1" start="1:0" type="bool"/>
308    <field name="Cull back" size="1" start="1:1" type="bool"/>
309    <field name="Unk GL 1" size="1" start="1:7" type="bool"/>
310    <field name="Unk GL 2" size="1" start="1:8" type="bool"/>
311    <field name="Depth clip" size="1" start="1:10" type="bool"/>
312    <field name="Depth clamp" size="1" start="1:11" type="bool"/>
313    <field name="Front face CCW" size="1" start="1:16" type="bool"/>
314  </struct>
315
316  <struct name="Interpolation" size="20">
317    <field name="Tag" size="32" start="0:0" type="hex" default="0x100C0000"/>
318    <field name="Varying count" size="32" start="1:0" type="uint"/>
319  </struct>
320
321  <struct name="Linkage" size="16">
322    <field name="Tag" size="32" start="0:0" type="hex" default="0xC020000"/>
323    <field name="Unk 1" size="32" start="1:0" type="hex" default="0x100"/>
324    <field name="Unk 2" size="32" start="2:0" type="hex" default="0x0"/>
325    <field name="Varying count" size="32" start="3:0" type="uint"/>
326  </struct>
327
328  <!-- Indexes into the array of scissor descriptors -->
329  <struct name="Set scissor" size="8">
330    <field name="Tag" size="32" start="0:0" type="hex" default="0x100"/>
331    <field name="Index" size="32" start="1:0" type="uint"/>
332  </struct>
333
334  <!--- Commands valid within a pipeline -->
335  <struct name="Bind uniform" size="8">
336    <field name="Tag" size="8" start="0:0" type="hex" default="0x1d"/>
337    <field name="Start (halfs)" size="8" start="0:8" type="uint"/>
338    <field name="Unk" size="4" start="0:16" type="hex" default="0x0"/>
339    <field name="Size (halfs)" size="4" start="0:20" type="uint"/>
340    <field name="Buffer" size="40" start="0:24" type="address"/>
341  </struct>
342
343  <struct name="Bind texture" size="8">
344    <field name="Tag" size="8" start="0:0" type="hex" default="0xdd"/>
345    <field name="Start" size="8" start="0:8" type="uint"/>
346    <field name="Count" size="4" start="0:20" type="uint"/>
347    <field name="Buffer" size="40" start="0:24" type="address"/>
348  </struct>
349
350  <struct name="Bind sampler" size="8">
351    <field name="Tag" size="8" start="0:0" type="hex" default="0x9d"/>
352    <field name="Start" size="8" start="0:8" type="uint"/>
353    <field name="Count" size="4" start="0:20" type="uint"/>
354    <field name="Buffer" size="40" start="0:24" type="address"/>
355  </struct>
356
357  <enum name="Preshader mode">
358    <value name="Preshader" value="3"/>
359    <value name="No preshader" value="8"/>
360  </enum>
361
362  <struct name="Set shader" size="24">
363    <field name="Tag" size="8" start="0:0" type="hex" default="0x4d"/>
364    <field name="Unk 1" size="24" start="0:8" type="hex" default="0x90"/>
365    <field name="Unk 2" size="8" start="1:0" type="hex" default="0x0d"/> <!-- TODO differs with stage -->
366    <field name="Unk 2b" size="8" start="1:8" type="uint" default="4"/>
367    <field name="Code" size="32" start="1:16" type="address"/>
368    <field name="Unk 3" size="8" start="2:16" type="hex" default="0x8d"/>
369    <field name="Register quadwords" size="5" start="2:24" type="uint"/> <!-- 0 for max -->
370    <field name="Unk 3b" size="3" start="2:29" type="hex" default="0x0"/>
371    <field name="Spill size" size="8" start="3:0" type="hex" default="0"/> <!-- TODO: determine relation, see docs/table.py -->
372    <field name="Unk 4" size="12" start="3:8" type="hex" default="0x801"/>
373    <field name="Preshader mode" size="4" start="3:20" type="Preshader mode" default="No preshader"/>
374    <field name="Unk 6" size="8" start="3:24" type="hex" default="0x0"/>
375    <field name="Preshader unk" size="16" start="4:0" type="hex" default="0x0"/>
376    <field name="Preshader code" size="32" start="4:16" type="address"/>
377    <field name="Unk 7" size="16" start="5:16" type="hex" default="0x0"/> <!-- blob is inconsistent -->
378  </struct>
379
380  <struct name="Set shader extended" size="32">
381    <field name="Tag" size="8" start="0:0" type="hex" default="0x4d"/>
382    <field name="Unk 1" size="24" start="0:8" type="hex" default="0x2010bd"/>
383    <field name="Unk 2" size="8" start="1:0" type="hex" default="0x0d"/> <!-- 90d if ld_tile or discard is used (to disable opts), 50d for other frag, 80d for vert..? 40d for compute..? -->
384    <field name="Unk 2b" size="8" start="1:8" type="uint" default="5"/>
385    <field name="Code" size="32" start="1:16" type="address"/>
386    <field name="Unk 3" size="8" start="2:16" type="hex" default="0x28d"/>
387    <field name="Register quadwords" size="5" start="2:24" type="uint"/> <!-- 0 for max -->
388    <field name="Unk 3b" size="3" start="2:29" type="hex" default="0x0"/>
389    <field name="Frag unk" size="32" start="3:0" type="hex" default="0xf3580100"/>
390    <field name="Spill size" size="8" start="4:0" type="hex" default="0"/> <!-- TODO: determine relation, see docs/table.py -->
391    <field name="Unk 4" size="12" start="4:8" type="hex" default="0x801"/>
392    <field name="Preshader mode" size="4" start="4:20" type="Preshader mode" default="No preshader"/>
393    <field name="Unk 6" size="8" start="4:24" type="hex" default="0x0"/>
394    <field name="Preshader unk" size="16" start="5:0" type="hex" default="0x0"/>
395    <field name="Preshader code" size="32" start="5:16" type="address"/>
396    <field name="Unk 7" size="16" start="6:16" type="hex" default="0x0"/> <!-- blob is inconsistent -->
397    <field name="Unk 8" size="32" start="7:0" type="hex" default="0x0"/> <!-- may not exist -->
398  </struct>
399
400  <!--- Command to bind a vertex pipeline, followed by subcommands. Counts are
401	specified in 32-bit word units. Intepretation per-shader stage.
402	Probably actually 17 bytes. -->
403  <struct name="Bind pipeline" size="16">
404    <field name="Tag" size="32" start="0:0" type="hex" default="0x4000002e">
405      <value name="AGX_BIND_PIPELINE_VERTEX" value="0x4000002e"/>
406      <value name="AGX_BIND_PIPELINE_FRAGMENT" value="0x800000"/>
407    </field>
408    <field name="Unk 1" size="4" start="1:0" type="hex" default="0x2"/>
409    <field name="Sampler count" start="1:4" size="5" type="uint"/>
410    <field name="Texture count" start="1:9" size="3" type="uint"/>
411    <field name="Unk 2" size="4" start="1:12" type="hex" default="0x1"/>
412    <field name="Input count" size="8" start="1:16" type="uint" default="0"/>
413    <field name="Padding 1" size="8" start="1:24" type="hex" default="0x0"/>
414    <field name="Pipeline" size="32" start="2:0" type="address"/>
415
416    <!-- Overlaps -->
417    <field name="FS Varyings" size="32" start="3:0" type="address"/>
418    <field name="VS Output count 1" size="8" start="3:0" type="uint" default="0"/>
419    <field name="VS Output count 2" size="8" start="3:8" type="uint" default="0"/>
420    <field name="Padding 2" size="16" start="3:16" type="hex" default="0x0"/>
421  </struct>
422
423  <!-- Subcommands are packed inside sized records -->
424  <struct name="Record" size="8">
425    <field name="Size (words)" size="8" start="0:0" type="uint"/>
426    <field name="Tag" size="16" start="0:8" type="hex" default="0x0000"/>
427    <field name="Data" size="40" start="0:24" type="address"/>
428  </struct>
429
430  <!--- Command to issue a direct non-indexed draw -->
431  <struct name="Draw" size="16">
432    <field name="Unk" size="8" start="0:0" type="hex" default="0x0"/>
433    <field name="Primitive" size="8" start="0:8" type="Primitive"/>
434    <field name="Command" size="16" start="0:16" type="hex" default="0x61c0"/>
435    <field name="Vertex count" size="32" start="1:0" type="uint"/>
436    <field name="Instance count" size="32" start="2:0" type="uint"/> <!-- must be nonzero -->
437    <field name="Vertex start" size="32" start="3:0" type="uint"/>
438  </struct>
439
440  <enum name="Index size">
441    <value name="U8" value="0"/>
442    <value name="U16" value="1"/>
443    <value name="U32" value="2"/>
444  </enum>
445
446  <struct name="Indexed draw" size="32">
447    <field name="Unk 1" size="8" start="0:0" type="hex" default="0x1"/>
448    <field name="Command" size="24" start="0:8" type="hex" default="0x400000"/>
449    <field name="Restart index" size="32" start="1:0" type="hex"/>
450    <field name="Unk 2a" size="8" start="2:0" type="hex" default="0x15"/>
451    <field name="Primitive" size="8" start="2:8" type="Primitive"/>
452    <field name="Restart enable" size="1" start="2:16" type="bool"/> <!-- Metal sets this bit for strips -->
453    <field name="Index size" size="3" start="2:17" type="Index size"/>
454    <field name="Unk 2c" size="4" start="2:20" type="hex" default="0xF"/>
455    <field name="Unk 2d" size="8" start="2:24" type="hex" default="0x61"/>
456    <field name="Index buffer offset" size="32" start="3:0" type="hex"/>
457    <field name="Index count" size="32" start="4:0" type="uint"/>
458    <field name="Instance count" size="32" start="5:0" type="uint"/>
459    <field name="Base vertex" size="32" start="6:0" type="uint"/>
460    <field name="Index buffer size" size="32" start="7:0" type="uint" modifier="shr(2)"/>
461  </struct>
462
463  <!--- Command to launch a direct compute kernel -->
464  <struct name="Launch" size="36">
465    <field name="Command" size="32" start="0:0" type="hex" default="0x1002"/>
466    <field name="Pipeline" size="32" start="1:0" type="address"/>
467    <field name="Group count X" size="32" start="2:0" type="uint"/>
468    <field name="Group count Y" size="32" start="3:0" type="uint"/>
469    <field name="Group count Z" size="32" start="4:0" type="uint"/>
470    <field name="Local size X" size="32" start="5:0" type="uint"/>
471    <field name="Local size Y" size="32" start="6:0" type="uint"/>
472    <field name="Local size Z" size="32" start="7:0" type="uint"/>
473    <field name="Unk" size="32" start="8:0" type="hex" default="0x60000160"/>
474  </struct>
475
476  <!--- The rest of this file is likely software defined by macOS kernel -->
477  <enum name="IOGPU Attachment Type">
478    <value name="Colour" value="0xA"/>
479    <value name="Depth" value="0xC"/>
480  </enum>
481
482  <struct name="IOGPU Header" size="64">
483    <field name="Unk 0" start="0:0" size="32" default="0x10000" type="hex"/>
484    <field name="Total size" start="1:0" size="32" type="uint"/>
485    <field name="Unk 2" start="2:0" size="32" default="0x7" type="hex"/>
486    <field name="Attachment offset 1" start="8:0" size="32" type="uint"/>
487    <field name="Attachment length" start="9:0" size="32" type="uint"/>
488    <field name="Attachment offset 2" start="10:0" size="32" type="uint"/>
489    <field name="Unknown offset" start="11:0" size="32" type="uint"/>
490    <field name="Unk 4" start="12:0" size="32" default="0x30" type="hex"/>
491    <field name="Unk 5" start="13:0" size="32" default="0x01" type="hex"/>
492    <field name="Encoder" start="14:0" size="64" type="address"/>
493  </struct>
494
495  <struct name="IOGPU Attachment" size="24">
496    <field name="Unk 0" start="0:0" size="16" default="0x100" type="hex"/>
497    <field name="Address" start="0:16" size="48" type="address"/>
498    <field name="Type" start="2:16" size="16" type="IOGPU Attachment Type"/>
499    <field name="Unk 1" start="3:0" size="32" type="hex"/>
500    <field name="Unk 2" start="4:0" size="3" type="hex"/>
501    <field name="Bytes per pixel" start="4:3" size="5" type="uint"/>
502    <field name="Unk 3" start="4:16" size="4" type="hex" default="0xC"/>
503    <!-- Percent of total attachment space used for this attachment, expressed
504         in a decimal percentage [0, 100] <field name="Percent" start="5:16" -->
505    <field name="Percent" start="5:16" size="16" type="uint"/>
506  </struct>
507</agxml>
508