Eldnach

# Unity Shader Performance Metrics Offline compilation and analysis of ShaderLab and ShaderGraph shaders, using the Mali Offline Shader Compiler: https://github.com/eldnach/shader-perf-metrics

ShaderPerf

Additional shader compilers may be supported in the future. ## Requirements Supported in Unity 2021 LTS and later. Pre-installation of the Mali Offline Shader Compiler is required: https://developer.arm.com/Tools%20and%20Software/Mali%20Offline%20Compiler ## Setup 1. In the Unity Editor, go to `Window > Package Manager` 2. On the top left on the Package Manager window, click on `+ > Add package from git URL...` 3. Add the following URL "https://github.com/eldnach/unity-shader-perf.git" and click `Add` Once installed, go to `Window > Shader Performance Metrics > Open`. ## Shader Settings * **Shader:** Select a valid ShaderLab or ShaderGraph shader to compile and anaylize. * **Subshader:** Select the relevant Subshader index, out of the selected shader's available subshaders. * **Pass:** Select the relevant Pass index, out of the selected subshader's available passes. * **Keywords:** Add a list of shader keywords to enable, in order to compile and analyze a specific shader variant. Refer to the Unity documentation for more information on [shader variants](https://docs.unity3d.com/Manual/shader-variants.html). ## Compiler Settings * **Compiler:** Select the desire offline shader compiler to use. At the moment, the only supported compiler is "MALIOC". * **Compiler Path:** Specify the absolute path to the selected compiler's executable. * **GPU:** Select a target GPU provided by the selected compiler. * **Graphics API:** Select a target graphics API. * **Build Target:** Select a Unity build target. ## Compiler Report * **Source/Disassembly:** View the shader's source (glsl) or disassembly (spir-v). * **Metrics:** Instruction cycle counts reported by the compiler (arithmetic, load/store, texture...). * **Resources and Properties:** Additional insights reported by the compiler (register usage, 16bit-arithmetic, late z-test...).

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