mir_demo_client_eglplasma falls back to software rendering on i915, which explains why it's so slow...
env INTEL_DEBUG=perf mir_demo_client_eglplasma
...
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Exceeded max ALU instructions (96 out of 64)
ENTER FALLBACK 10000: Program
mir_demo_ client_ eglplasma falls back to software rendering on i915, which explains why it's so slow...
env INTEL_DEBUG=perf mir_demo_ client_ eglplasma
...
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Program contains too many instructions
i915_program_error: Exceeded max ALU instructions (96 out of 64)
ENTER FALLBACK 10000: Program