enricobuehler
4c3b11445c
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>
92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/* 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 "task_composer.hpp"
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namespace Granite
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{
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TaskComposer::TaskComposer(ThreadGroup &group_)
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: group(group_)
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{
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}
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void TaskComposer::set_incoming_task(TaskGroupHandle group_)
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{
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current = std::move(group_);
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}
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TaskGroup &TaskComposer::begin_pipeline_stage()
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{
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auto new_group = group.create_task();
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auto new_deps = group.create_task();
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if (current)
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group.add_dependency(*new_deps, *current);
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if (next_stage_deps)
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group.add_dependency(*new_deps, *next_stage_deps);
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next_stage_deps.reset();
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group.add_dependency(*new_group, *new_deps);
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current = std::move(new_group);
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incoming_deps = std::move(new_deps);
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return *current;
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}
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TaskGroup &TaskComposer::get_group()
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{
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if (!current)
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return begin_pipeline_stage();
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else
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return *current;
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}
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TaskGroupHandle TaskComposer::get_outgoing_task()
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{
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begin_pipeline_stage();
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auto ret = std::move(incoming_deps);
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incoming_deps = {};
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current = {};
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return ret;
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}
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TaskGroupHandle TaskComposer::get_pipeline_stage_dependency()
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{
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return incoming_deps;
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}
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TaskGroupHandle TaskComposer::get_deferred_enqueue_handle()
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{
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if (!next_stage_deps)
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next_stage_deps = group.create_task();
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return next_stage_deps;
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}
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ThreadGroup &TaskComposer::get_thread_group()
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{
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return group;
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}
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void TaskComposer::add_outgoing_dependency(TaskGroup &task)
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{
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group.add_dependency(task, *get_outgoing_task());
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}
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}
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