feat(host): vendor PyroWave + minimal Granite subset as crates/pyrowave-sys

Phase 0 of design/pyrowave-codec-plan.md — the opt-in wired-LAN ultra-low- latency codec. Vendored at upstream 509e4f88 (API 0.4.0, Granite 44362775, volk + vulkan-headers pins in PUNKTFUNK-VENDOR.txt), pruned to the 6.6 MB the standalone no-renderer build needs; scripts/vendor-pyrowave.sh reproduces the tree (a pin bump is protocol-affecting, plan §4.2). build.rs drives the wrapper CMakeLists (static archives incl. a static C-API lib upstream only ships shared) + bindgen over pyrowave.h; Linux and Windows only, empty stub elsewhere (Apple gets a native Metal port, §4.7). Offline-safe by construction: no network, no system lib, vendored Vulkan headers — same model as the opus dep (flatpak builder has no network). Phase-0 validation on .21 (RTX 5070 Ti, driver 610.43.03): - upstream pyrowave-c-test + interop test (incl. dmabuf/DRM-modifier Vulkan<->Vulkan) pass, from the pristine AND the pruned tree - GPU kernel times at ~1.6 bpp noise: encode/decode 0.090/0.042 ms @800p, 0.146/0.067 @1080p, 0.226/0.103 @1440p, 0.477/0.201 @4K — order of magnitude under NVENC's 1-2 ms retrieve, CBR lands within ~100 B of target - cargo test -p pyrowave-sys green (static link + API-version pin check) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-15 00:35:10 +02:00
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+[submodule "third_party/spirv-cross"]
+	path = third_party/spirv-cross
+	url = https://github.com/KhronosGroup/SPIRV-Cross
+[submodule "third_party/shaderc"]
+	path = third_party/shaderc
+	url = https://github.com/google/shaderc.git
+[submodule "third_party/glslang"]
+	path = third_party/glslang
+	url = https://github.com/Themaister/glslang.git
+[submodule "third_party/spirv-tools"]
+	path = third_party/spirv-tools
+	url = https://github.com/Themaister/SPIRV-Tools
+[submodule "third_party/spirv-headers"]
+	path = third_party/spirv-headers
+	url = https://github.com/KhronosGroup/SPIRV-Headers
+[submodule "third_party/rapidjson"]
+	path = third_party/rapidjson
+	url = https://github.com/miloyip/rapidjson
+[submodule "third_party/stb/stb"]
+	path = third_party/stb/stb
+	url = https://github.com/nothings/stb
+[submodule "third_party/astc-encoder"]
+	path = third_party/astc-encoder
+	url = https://github.com/ARM-software/astc-encoder
+[submodule "third_party/fossilize"]
+	path = third_party/fossilize
+	url = https://github.com/ValveSoftware/Fossilize
+[submodule "third_party/volk"]
+	path = third_party/volk
+	url = https://github.com/zeux/volk
+[submodule "third_party/meshoptimizer"]
+	path = third_party/meshoptimizer
+	url = https://github.com/zeux/meshoptimizer
+[submodule "third_party/muFFT"]
+	path = third_party/muFFT
+	url = https://github.com/Themaister/muFFT
+[submodule "third_party/oboe"]
+	path = third_party/oboe
+	url = https://github.com/google/oboe
+[submodule "third_party/khronos/vulkan-headers"]
+	path = third_party/khronos/vulkan-headers
+	url = https://github.com/KhronosGroup/Vulkan-Headers
+[submodule "third_party/fsr2"]
+	path = third_party/fsr2
+	url = https://github.com/Themaister/FidelityFX-FSR2
+[submodule "third_party/sdl3"]
+	path = third_party/sdl3
+	url = https://github.com/libsdl-org/SDL
+[submodule "third_party/pyroenc"]
+	path = third_party/pyroenc
+	url = https://github.com/HansKristian-Work/pyroenc
+[submodule "third_party/pyrowave"]
+	path = third_party/pyrowave
+	url = https://github.com/Themaister/pyrowave