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>
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/* Copyright (c) 2017-2026 Hans-Kristian Arntzen
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "math.hpp"
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#include "image.hpp"
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#include "lights/light_info.hpp"
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#include "limits.hpp"
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namespace Granite
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{
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class LightClusterer;
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class VolumetricFog;
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class VolumetricDiffuseLightManager;
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enum { NumShadowCascades = 4 };
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struct RenderParameters
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{
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mat4 projection;
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mat4 view;
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mat4 view_projection;
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mat4 inv_projection;
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mat4 inv_view;
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mat4 inv_view_projection;
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mat4 local_view_projection;
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mat4 inv_local_view_projection;
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mat4 unjittered_view_projection;
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mat4 unjittered_inv_view_projection;
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mat4 unjittered_prev_view_projection;
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alignas(16) vec3 camera_position;
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alignas(16) vec3 camera_front;
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alignas(16) vec3 camera_right;
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alignas(16) vec3 camera_up;
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float z_near;
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float z_far;
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};
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struct ResolutionParameters
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{
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alignas(8) vec2 resolution;
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alignas(8) vec2 inv_resolution;
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};
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struct VolumetricFogParameters
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{
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float slice_z_log2_scale;
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};
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struct FogParameters
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{
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alignas(16) vec3 color;
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float falloff;
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};
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struct DirectionalParameters
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{
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alignas(16) vec3 color;
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alignas(16) vec3 direction;
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};
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struct ShadowParameters
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{
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alignas(16) mat4 transforms[NumShadowCascades];
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float cascade_log_bias;
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};
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struct ClustererParametersBindless
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{
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alignas(16) mat4 transform;
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alignas(16) vec4 clip_scale;
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alignas(16) vec3 camera_base;
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alignas(16) vec3 camera_front;
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alignas(8) vec2 xy_scale;
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alignas(8) ivec2 resolution_xy;
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alignas(8) vec2 inv_resolution_xy;
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uint32_t num_lights;
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uint32_t num_lights_32;
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uint32_t num_decals;
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uint32_t num_decals_32;
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uint32_t decals_texture_offset;
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uint32_t z_max_index;
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float z_scale;
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};
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struct DiffuseVolumeParameters
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{
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mat_affine world_to_texture;
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vec4 world_lo;
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vec4 world_hi;
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float lo_tex_coord_x;
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float hi_tex_coord_x;
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float guard_band_factor;
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float guard_band_sharpen;
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};
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#define CLUSTERER_MAX_VOLUMES 128
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struct ClustererParametersVolumetric
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{
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alignas(16) muglm::vec3 sun_direction;
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uint32_t bindless_index_offset;
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alignas(16) muglm::vec3 sun_color;
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uint32_t num_volumes;
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alignas(16) DiffuseVolumeParameters volumes[CLUSTERER_MAX_VOLUMES];
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};
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struct FogRegionParameters
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{
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mat_affine world_to_texture;
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vec4 world_lo;
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vec4 world_hi;
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};
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#define CLUSTERER_MAX_FOG_REGIONS 128
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struct ClustererParametersFogRegions
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{
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uint32_t bindless_index_offset;
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uint32_t num_regions;
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alignas(16) FogRegionParameters regions[CLUSTERER_MAX_FOG_REGIONS];
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};
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#define CLUSTERER_MAX_LIGHTS_BINDLESS 4096
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#define CLUSTERER_MAX_DECALS_BINDLESS 4096
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#define CLUSTERER_MAX_LIGHTS_GLOBAL 32
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struct BindlessDecalTransform
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{
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mat_affine world_to_texture;
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};
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struct ClustererBindlessTransforms
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{
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PositionalFragmentInfo lights[CLUSTERER_MAX_LIGHTS_BINDLESS];
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mat4 shadow[CLUSTERER_MAX_LIGHTS_BINDLESS];
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mat_affine model[CLUSTERER_MAX_LIGHTS_BINDLESS];
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uint32_t type_mask[CLUSTERER_MAX_LIGHTS_BINDLESS / 32];
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BindlessDecalTransform decals[CLUSTERER_MAX_DECALS_BINDLESS];
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};
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struct ClustererGlobalTransforms
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{
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alignas(16) PositionalFragmentInfo lights[CLUSTERER_MAX_LIGHTS_GLOBAL];
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alignas(16) mat4 shadow[CLUSTERER_MAX_LIGHTS_GLOBAL];
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alignas(16) uint32_t type_mask[CLUSTERER_MAX_LIGHTS_GLOBAL / 32];
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uint32_t descriptor_offset;
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uint32_t num_lights;
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};
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static_assert(sizeof(ClustererGlobalTransforms) <= Vulkan::VULKAN_MAX_UBO_SIZE, "Global transforms is too large.");
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struct CombinedRenderParameters
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{
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alignas(16) FogParameters fog;
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alignas(16) ShadowParameters shadow;
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alignas(16) VolumetricFogParameters volumetric_fog;
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alignas(16) DirectionalParameters directional;
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alignas(16) ResolutionParameters resolution;
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};
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static_assert(sizeof(CombinedRenderParameters) <= Vulkan::VULKAN_MAX_UBO_SIZE, "CombinedRenderParameters cannot fit in min-spec.");
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struct LightingParameters
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{
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FogParameters fog = {};
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DirectionalParameters directional;
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ShadowParameters shadow;
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Vulkan::ImageView *shadows = nullptr;
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Vulkan::ImageView *ambient_occlusion = nullptr;
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const LightClusterer *cluster = nullptr;
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const VolumetricFog *volumetric_fog = nullptr;
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const VolumetricDiffuseLightManager *volumetric_diffuse = nullptr;
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};
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}
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