Catcrafts/Crafter.Graphics
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Merge pull request 'perf(decompress): release compressed staging after submit, not for the resource's life (#67)' (#106) from claude/issue-67 into master

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catbot 2026-06-17 19:41:20 +02:00
commit 2c8a293b57
5 changed files with 264 additions and 9 deletions
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13
interfaces/Crafter.Graphics-Mesh.cppm
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@ -77,12 +77,13 @@ export namespace Crafter {
// Lifetime contract matches vertexBuffer/indexBuffer: must stay
// alive until the build submitted on `cmd` completes.
VulkanBuffer<RTAabb, true> aabbBuffer;
// Lives until the cmd buffer issued by the compressed Build path
// completes execution. Kept as a member so the recorded
// vkCmdDecompressMemoryEXT references valid memory until the queue
// submit signals — caller must not re-Build or destroy the Mesh
// before that submit's fence is signaled (same contract as the
// existing uncompressed path).
// Transient host-visible staging for the compressed Build path. Kept as
// a member only so the recorded vkCmdDecompressMemoryEXT has a stable
// address to reference; the compressed Build releases it via
// DeferredClear() right after recording the decompress, so it is freed
// by the fence-keyed deletion queue (#101/#102) once that submit's frame
// has cleared — no longer pinned for the mesh's life. Between Builds the
// handle is null; the next Build's Resize re-creates it.
VulkanBuffer<std::byte, true> compressedStaging;
VkAccelerationStructureGeometryTrianglesDataKHR blasData;
VkAccelerationStructureGeometryKHR blas;