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Upload D3D12 field resources

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Meta Vens 2026-05-09 13:55:19 +01:00
commit f32772c052
11 changed files with 456 additions and 3 deletions
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state/memory.json
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@ -18,6 +18,7 @@
"D3D12 is being added beside D3D11, not by mutating the reference renderer in place. Keep descriptor ownership explicit: static descriptors for long-lived SRV/UAV tables, per-frame transient descriptors reset only after fence wait, and whole-arena rebuilds on resize until real non-resize churn demands free lists. Resource capability flags are not descriptor ownership; do not burn static UAV descriptors just to allow a transient UAV view.",
"D3D12 previous-frame camera/Grid/time state must be renderer-level temporal state, not per-swapchain-frame-resource state. The swapchain image index is an allocator/reuse index, not frame history.",
"D3D12 Grid height must be brush-rendered, not a fullscreen per-texel loop over bodies. Use a top-down Grid-space orthographic brush pass: base field draw, then one additive up-facing quad per body into a scalar R16_Float height target. Height is one value; do not spend extra channels unless the pass contract actually gains more data. Do not use R32G32B32A32_Float for additive brush composition.",
"D3D12 field data should live in default-heap structured buffers, updated from the per-frame upload ring by CopyBufferRegion, then bound through transient SRV descriptors owned by the consuming pass. Do not make shaders read dynamic field tables straight from upload memory. Collapse D3D11 and D3D12 field table builders into one shared ABI owner before more consumers depend on them.",
"D3D12 pixel shader UAV registers share the output namespace. If a shader writes SV_Target0, bind the first manual UAV at u1, not u0.",
"D3D12 shader routing must not inherit the D3D11 --shader-source override by accident. Backend-specific HLSL should compile from its copied output path unless an explicit backend-specific override exists.",
"Use Vortice at the graphics API membrane. Keep CultMath as the CPU math grammar. Do not let third-party math opinions leak inward unless the conversion is explicit.",