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hexang-mirrors / Fuchsia OS
Allan MacKinnon
authored
Tracked by: SPN-8 Test: fx shell run fuchsia-pkg://fuchsia.com/hotsort_vk_bench#meta/hotsort_vk_bench.cmx" - CL following 277184. This CL replaces shell scripts with GN. The GN build invokes the 'hotsort_gen' code generator and builds architecture-specific shader "targets" (bundles of shaders and algorithm configuration info) using a custom GN template. The target outputs are placed in their respective $target_gen_dirs for later inclusion of either a source set or its equivalent binary image. The hotsort_target.gni template performs the following steps: 1. Produce list of compute shaders that *will* be generated. 2. Invoke hotsort_gen to generate compute shaders. 3. Compile the shaders to SPIR-V modules with glslangValidator 4. Invoke spirv-opt to optimize and shrink the SPIR-V modules. 5. Invoke spirv-remap to improve compressibility of modules. 6. Convert SPIR-V modules to array of C literals. 7. Dump a binary image of the HotSort target bundle of modules. 8. The GN template returns a source set of the target. Steps to verify target outputs are being created: 1. fx build graphics 2. ls -R out/default/gen/src/graphics/lib/compute/hotsort/platforms/vk/tests/hotsort_vk_bench/ Change-Id: Ic98c374c70e4fda2c1d8d3284a8cbc46443eaffc
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