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MILERR_SHADER_COMPILE_FAILED
MILERR_SHADER_COMPILE_FAILED is a Windows Media Integration Layer (MIL) HRESULT. It indicates that the shader source, generated effect, compiler environment, or active graphics device could not compile the required shader.
Diagnostic discriminator: Preserve compiler diagnostics, generated shader source or hash, feature level, and compile flags. If a simplified shader compiles on the same device, inspect generated instructions, resource bindings, and effect construction rather than generic device availability.
What to check for MILERR_SHADER_COMPILE_FAILED
- Capture shader diagnostics, feature level, driver version, and the parameters used to generate the effect.
- Validate shader syntax, supported instruction set, resource bindings, and compile-time options.
- Provide a simpler or software fallback effect when the application supports graceful degradation.
Microsoft documentation about WPF hardware-accelerated rendering
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