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D3D10_ERROR_TOO_MANY_UNIQUE_STATE_OBJECTS
Locate the failing graphics boundary: too many unique state objects
The useful interpretation of D3D10_ERROR_TOO_MANY_UNIQUE_STATE_OBJECTS (0x88790001) starts at the d3d boundary: the device reached its limit for distinct blend, rasterizer, depth-stencil or sampler state objects. In practical terms, inspect Direct3D 10 state-object cache before changing application-wide graphics settings.
Evidence that makes the result actionable
| Capture item | Why it matters |
|---|---|
| What to capture | state descriptors after canonicalization, object counts by type, creation stacks and cache hit rate |
| Current graph state | Direct3D device plus the descriptor, resource or cached pipeline object supplied by the application |
| Supporting trace | Direct3D debug-layer output, object creation stacks, normalized descriptors, feature level and adapter/driver identity |
| Object identity | Direct3D 10 state-object cache |
| Rejected condition | the device reached its limit for distinct blend, rasterizer, depth-stencil or sampler state objects |
A controlled comparison
- Capture the failing state. Record state descriptors after canonicalization, object counts by type, creation stacks and cache hit rate.
- Reuse equivalent descriptors from an application cache and compare object growth with uncached creation.
The comparison with D3D11_ERROR_TOO_MANY_UNIQUE_STATE_OBJECTS is especially useful: D3D11_ERROR_TOO_MANY_UNIQUE_STATE_OBJECTS applies the same class of limit to a Direct3D 11 device.
Correction and proof
Intern immutable state descriptors and release no-longer-used objects instead of generating per-draw variants.
- debug-layer, ETW or driver diagnostics no longer report the rejected Direct3D 10 state-object cache contract during the same scenario.
Implementation notes
Technical references
- Microsoft: Direct3D 10 return codes — background for the Direct3D 10 state-object cache.
- Microsoft: Direct3D 11 return codes
- Microsoft: Direct3D 12 return codes
- Microsoft: Use the Direct3D 11 debug layer
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