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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#include "indirect_layout.hpp"
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#include "device.hpp"
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namespace Vulkan
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{
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IndirectLayout::IndirectLayout(Device *device_,
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const PipelineLayout *pipeline_layout, const IndirectLayoutToken *tokens,
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uint32_t num_tokens, uint32_t stride)
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: device(device_)
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{
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VkIndirectCommandsLayoutCreateInfoEXT info = { VK_STRUCTURE_TYPE_INDIRECT_COMMANDS_LAYOUT_CREATE_INFO_EXT };
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info.indirectStride = stride;
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info.pipelineLayout = pipeline_layout ? pipeline_layout->get_layout() : VK_NULL_HANDLE;
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info.flags = VK_INDIRECT_COMMANDS_LAYOUT_USAGE_EXPLICIT_PREPROCESS_BIT_EXT |
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VK_INDIRECT_COMMANDS_LAYOUT_USAGE_UNORDERED_SEQUENCES_BIT_EXT;
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Util::SmallVector<VkIndirectCommandsLayoutTokenEXT, 8> ext_tokens;
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Util::SmallVector<VkIndirectCommandsVertexBufferTokenEXT, 8> vbo_tokens;
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Util::SmallVector<VkIndirectCommandsPushConstantTokenEXT, 8> push_tokens;
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VkIndirectCommandsIndexBufferTokenEXT ibo_token;
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VkIndirectCommandsExecutionSetTokenEXT exec_token;
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ext_tokens.reserve(num_tokens);
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vbo_tokens.reserve(num_tokens);
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push_tokens.reserve(num_tokens);
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bool heap = device->get_device_features().descriptor_heap_features.descriptorHeap == VK_TRUE;
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for (uint32_t i = 0; i < num_tokens; i++)
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{
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VkIndirectCommandsLayoutTokenEXT token = { VK_STRUCTURE_TYPE_INDIRECT_COMMANDS_LAYOUT_TOKEN_EXT };
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switch (tokens[i].type)
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{
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case IndirectLayoutToken::Type::VBO:
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token.type = VK_INDIRECT_COMMANDS_TOKEN_TYPE_VERTEX_BUFFER_EXT;
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vbo_tokens.emplace_back();
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token.data.pVertexBuffer = &vbo_tokens.back();
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vbo_tokens.back().vertexBindingUnit = tokens[i].data.vbo.binding;
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break;
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case IndirectLayoutToken::Type::IBO:
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token.type = VK_INDIRECT_COMMANDS_TOKEN_TYPE_INDEX_BUFFER_EXT;
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token.data.pIndexBuffer = &ibo_token;
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ibo_token.mode = VK_INDIRECT_COMMANDS_INPUT_MODE_VULKAN_INDEX_BUFFER_EXT;
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break;
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case IndirectLayoutToken::Type::PushConstant:
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case IndirectLayoutToken::Type::SequenceCount:
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{
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auto push_token_type = heap ?
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VK_INDIRECT_COMMANDS_TOKEN_TYPE_PUSH_DATA_EXT :
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VK_INDIRECT_COMMANDS_TOKEN_TYPE_PUSH_CONSTANT_EXT;
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auto sequence_token_type = heap ?
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VK_INDIRECT_COMMANDS_TOKEN_TYPE_PUSH_DATA_SEQUENCE_INDEX_EXT :
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VK_INDIRECT_COMMANDS_TOKEN_TYPE_SEQUENCE_INDEX_EXT;
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token.type = tokens[i].type == IndirectLayoutToken::Type::PushConstant ?
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push_token_type : sequence_token_type;
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push_tokens.emplace_back();
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token.data.pPushConstant = &push_tokens.back();
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VK_ASSERT(pipeline_layout->get_layout());
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push_tokens.back().updateRange.size = tokens[i].data.push.range;
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push_tokens.back().updateRange.offset = tokens[i].data.push.offset;
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push_tokens.back().updateRange.stageFlags =
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heap ? VkShaderStageFlags(VK_SHADER_STAGE_ALL) :
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pipeline_layout->get_resource_layout().push_constant_range.stageFlags;
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break;
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}
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case IndirectLayoutToken::Type::Draw:
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info.shaderStages = VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
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token.type = VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_EXT;
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break;
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case IndirectLayoutToken::Type::DrawIndexed:
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token.type = VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_INDEXED_EXT;
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info.shaderStages = VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
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break;
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case IndirectLayoutToken::Type::Shader:
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token.type = VK_INDIRECT_COMMANDS_TOKEN_TYPE_EXECUTION_SET_EXT;
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token.data.pExecutionSet = &exec_token;
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break;
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case IndirectLayoutToken::Type::MeshTasks:
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token.type = VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_MESH_TASKS_EXT;
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info.shaderStages |= VK_SHADER_STAGE_MESH_BIT_EXT | VK_SHADER_STAGE_TASK_BIT_EXT |
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VK_SHADER_STAGE_FRAGMENT_BIT;
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break;
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case IndirectLayoutToken::Type::Dispatch:
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token.type = VK_INDIRECT_COMMANDS_TOKEN_TYPE_DISPATCH_EXT;
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info.shaderStages |= VK_SHADER_STAGE_COMPUTE_BIT;
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break;
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default:
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LOGE("Invalid token type.\n");
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break;
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}
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token.offset = tokens[i].offset;
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ext_tokens.push_back(token);
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}
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info.pTokens = ext_tokens.data();
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info.tokenCount = num_tokens;
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exec_token.type = VK_INDIRECT_EXECUTION_SET_INFO_TYPE_PIPELINES_EXT;
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exec_token.shaderStages = info.shaderStages;
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stages = info.shaderStages;
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auto &table = device->get_device_table();
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if (table.vkCreateIndirectCommandsLayoutEXT(device->get_device(), &info, nullptr, &layout) != VK_SUCCESS)
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{
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LOGE("Failed to create indirect layout.\n");
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}
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}
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IndirectLayout::~IndirectLayout()
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{
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device->get_device_table().vkDestroyIndirectCommandsLayoutEXT(device->get_device(), layout, nullptr);
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}
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}
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