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The probe's programs are written in the shape the translator gives a task or mesh program and need no game files. With a folder of game translations it converts those instead and builds their compute pipelines. Co-Authored-By: Claude Fable 5.2 <noreply@anthropic.com>
34 lines
1.3 KiB
Plaintext
34 lines
1.3 KiB
Plaintext
#version 460
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#extension GL_EXT_mesh_shader : require
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// build_shaders: keep functions
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//
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// --probe-meshfb (mesh_fb_probe.c): a task program in the shape the translator gives one (tools/xlate/MeshSpirv.cs):
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// the program writes its payload into shared memory, and the entry function copies that out and starts the mesh
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// workgroups the program counted into word 1. The payload is 288 bytes: the header, then the program's data from
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// word 4.
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//
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// Task workgroup t starts 0 to 4 mesh workgroups (the uniform block shifts which tasks start how many) and tells each
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// the grid cell it draws; the last payload word carries a mark the mesh program checks.
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layout(local_size_x = 32) in;
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layout(set = 0, binding = 1) uniform Params { uvec4 shift; } u;
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shared uint mem[72];
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taskPayloadSharedEXT uint payload[72];
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void program() {
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uint tid = gl_LocalInvocationIndex, t = gl_WorkGroupID.x;
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uint count = (t * 3u + u.shift.x) % 5u;
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if (tid == 0u) mem[1] = count;
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if (tid < count) mem[4u + tid] = t * 4u + tid;
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if (tid == 31u) mem[71] = 0x600df00du + t;
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}
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void main() {
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uint tid = gl_LocalInvocationIndex;
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if (tid < 1u) mem[1] = 0u;
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barrier();
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program();
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barrier();
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for (uint i = tid; i < 72u; i += 32u) payload[i] = mem[i];
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EmitMeshTasksEXT(min(mem[1], 32u), 1u, 1u);
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}
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