ImGui frame profiler overlay, and Vulkan per-draw descriptor set churn fix - #7652

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The-E wants to merge 12 commits into

scp-fs2open:masterfrom

The-E:imgui-profiler

Commits on Aug 2, 2026

chore: vendor ImPlot library
The-E
committed
95e6efc
feat: add ImGui frame profiler overlay
The-E
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e618f98
Add graphics and Vulkan debug stats to ImGui profiler overlay
The-E
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cf99507
Update ImPlot to v1.1 WIP and improve internal consistency
The-E
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683f812
Refactor frame profiler to use per-category self-time accumulation
The-E
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3760a6d
Use dynamic uniform buffers to stop per-draw descriptor set churn in Vulkan

The-E
and
claude
committed
5301623
Refactor Vulkan descriptor set binding to reduce dynamic offset churn
The-E
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8400bee
Enable primitive restart for supported topologies in Vulkan pipeline
The-E
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6deae40
Enable VK_KHR_portability_subset for compatibility
The-E
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0f30a6d
Replace exception with sentinel for non-dynamic Vulkan descriptor bindings
The-E
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78a1011
Add memory statistics and tracking to profiler overlay
The-E
committed
9a9819f
fix ci issues
The-E
committed
7519fdd