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Fix game startup resource lifetime and D32S8 depth-plane interop

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Codex committed 2026-10-01 17:27:06 +03:00
1 parent 19d859e43d
commit 5d33bddcd0
17 files changed
+539 -11
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tools/windows/d3d12_external.h
+7
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@@ -115,6 +115,13 @@ public:
SharedPlane(ExternalApi& api, ID3D12Device* device, const D3D12_RESOURCE_DESC& texture) : api_(api) {
UINT rows = 0; UINT64 rowBytes = 0;
device->GetCopyableFootprints(&texture, 0, 1, 0, &footprint, &rows, &rowBytes, &bytes);
if (texture.Format == DXGI_FORMAT_R32G8X24_TYPELESS || texture.Format == DXGI_FORMAT_D32_FLOAT_S8X24_UINT || texture.Format == DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS) {
// D3D12 exposes D32S8 as separate depth/stencil copy planes. Only
// subresource 0 (R32 depth) belongs to NGX; never copy interleaved
// 64-bit texels or touch the stencil plane.
if ((footprint.Footprint.Format != DXGI_FORMAT_R32_FLOAT && footprint.Footprint.Format != DXGI_FORMAT_R32_TYPELESS) || rowBytes != texture.Width * 4)
throw std::runtime_error("Unexpected D32S8 depth-plane copy footprint");
}
if (!bytes || bytes == UINT64_MAX || !footprint.Footprint.RowPitch)
throw std::runtime_error("Invalid shared texture footprint");
buffer = make_buffer(device, bytes, D3D12_HEAP_TYPE_DEFAULT, D3D12_HEAP_FLAG_SHARED, D3D12_RESOURCE_STATE_COMMON);