feature!:
This is a breaking change needed to fully implement instancing and stencil highlighting.
Previously, users would work directly with entities (on the Dart side, ThermionEntity), e.g.
final entity = await viewer.loadGlb("some.glb");
However, Filament "entities" are a lower-level abstraction.
Loading a glTF file, for example, inserts multiple entities into the scene.
For example, each mesh, light, and camera within a glTF asset will be assigned an entity. A top-level (non-renderable) entity will also be created for the glTF asset, which can be used to transform the entire hierarchy.
"Asset" is a better representation for loading/inserting objects into the scene; think of this as a bundle of entities.
Unless you need to work directly with transforms, instancing, materials and renderables, you can work directly with ThermionAsset.
This commit is contained in:
Nick Fisher
581
thermion_dart/native/src/c_api/ThermionDartRenderThreadApi.cpp
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581
thermion_dart/native/src/c_api/ThermionDartRenderThreadApi.cpp
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@@ -0,0 +1,581 @@
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#include <functional>
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#include <mutex>
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#include <thread>
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#include <stdlib.h>
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#include <filament/LightManager.h>
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#include "c_api/APIBoundaryTypes.h"
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#include "c_api/TView.h"
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#include "c_api/TSceneAsset.h"
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#include "c_api/TSceneManager.h"
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#include "c_api/TAnimationManager.h"
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#include "c_api/ThermionDartRenderThreadApi.h"
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#include "FilamentViewer.hpp"
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#include "Log.hpp"
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#include "ThreadPool.hpp"
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using namespace thermion;
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using namespace std::chrono_literals;
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#include <time.h>
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class RenderLoop
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{
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public:
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explicit RenderLoop()
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{
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srand(time(NULL));
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t = new std::thread([this]()
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{ start(); });
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}
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~RenderLoop()
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{
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_stop = true;
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_cv.notify_one();
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t->join();
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}
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static void mainLoop(void *arg)
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{
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((RenderLoop *)arg)->iter();
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}
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static void *startHelper(void *parm)
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{
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((RenderLoop *)parm)->start();
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return nullptr;
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}
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void start()
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{
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while (!_stop)
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{
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iter();
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}
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}
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void requestFrame(void (*callback)())
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{
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std::unique_lock<std::mutex> lock(_mutex);
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this->_requestFrameRenderCallback = callback;
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_cv.notify_one();
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}
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void iter()
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{
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{
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std::unique_lock<std::mutex> lock(_mutex);
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if (_requestFrameRenderCallback)
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{
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doRender();
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lock.unlock();
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this->_requestFrameRenderCallback();
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this->_requestFrameRenderCallback = nullptr;
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// Calculate and print FPS
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auto currentTime = std::chrono::high_resolution_clock::now();
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float deltaTime = std::chrono::duration<float, std::chrono::seconds::period>(currentTime - _lastFrameTime).count();
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_lastFrameTime = currentTime;
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_frameCount++;
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_accumulatedTime += deltaTime;
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if (_accumulatedTime >= 1.0f) // Update FPS every second
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{
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_fps = _frameCount / _accumulatedTime;
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// std::cout << "FPS: " << _fps << std::endl;
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_frameCount = 0;
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_accumulatedTime = 0.0f;
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}
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}
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}
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std::unique_lock<std::mutex> taskLock(_taskMutex);
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if (!_tasks.empty())
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{
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auto task = std::move(_tasks.front());
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_tasks.pop_front();
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taskLock.unlock();
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task();
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taskLock.lock();
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}
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_cv.wait_for(taskLock, std::chrono::microseconds(2000), [this]
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{ return !_tasks.empty() || _stop; });
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}
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void createViewer(void *const context,
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void *const platform,
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const char *uberArchivePath,
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const ResourceLoaderWrapper *const loader,
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void (*renderCallback)(void *),
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void *const owner,
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void (*callback)(TViewer *))
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{
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_renderCallback = renderCallback;
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_renderCallbackOwner = owner;
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std::packaged_task<void()> lambda([=]() mutable
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{
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auto viewer = (FilamentViewer *)Viewer_create(context, loader, platform, uberArchivePath);
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_viewer = reinterpret_cast<TViewer*>(viewer);
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callback(_viewer); });
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auto fut = add_task(lambda);
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}
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void destroyViewer(FilamentViewer *viewer)
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{
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std::packaged_task<void()> lambda([=]() mutable
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{
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_viewer = nullptr;
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Viewer_destroy(reinterpret_cast<TViewer*>(viewer)); });
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auto fut = add_task(lambda);
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fut.wait();
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}
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void doRender()
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{
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Viewer_render(_viewer);
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if (_renderCallback)
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{
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_renderCallback(_renderCallbackOwner);
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}
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}
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void setFrameIntervalInMilliseconds(float frameIntervalInMilliseconds)
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{
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_frameIntervalInMicroseconds = static_cast<int>(1000.0f * frameIntervalInMilliseconds);
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}
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template <class Rt>
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auto add_task(std::packaged_task<Rt()> &pt) -> std::future<Rt>
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{
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std::unique_lock<std::mutex> lock(_taskMutex);
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auto ret = pt.get_future();
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_tasks.push_back([pt = std::make_shared<std::packaged_task<Rt()>>(
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std::move(pt))]
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{ (*pt)(); });
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_cv.notify_one();
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return ret;
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}
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private:
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void (*_requestFrameRenderCallback)() = nullptr;
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bool _stop = false;
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int _frameIntervalInMicroseconds = 1000000 / 60;
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std::mutex _mutex;
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std::mutex _taskMutex;
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std::condition_variable _cv;
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void (*_renderCallback)(void *const) = nullptr;
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void *_renderCallbackOwner = nullptr;
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std::deque<std::function<void()>> _tasks;
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TViewer *_viewer = nullptr;
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std::chrono::high_resolution_clock::time_point _lastFrameTime;
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int _frameCount = 0;
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float _accumulatedTime = 0.0f;
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float _fps = 0.0f;
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std::thread *t = nullptr;
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};
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extern "C"
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{
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static RenderLoop *_rl;
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EMSCRIPTEN_KEEPALIVE void Viewer_createOnRenderThread(
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void *const context, void *const platform, const char *uberArchivePath,
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const void *const loader,
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void (*renderCallback)(void *const renderCallbackOwner),
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void *const renderCallbackOwner,
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void (*callback)(TViewer *))
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{
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if (!_rl)
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{
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_rl = new RenderLoop();
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}
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_rl->createViewer(context, platform, uberArchivePath, (const ResourceLoaderWrapper *const)loader,
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renderCallback, renderCallbackOwner, callback);
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_destroyOnRenderThread(TViewer *viewer)
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{
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_rl->destroyViewer((FilamentViewer *)viewer);
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delete _rl;
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_rl = nullptr;
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_createHeadlessSwapChainRenderThread(TViewer *viewer,
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uint32_t width,
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uint32_t height,
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void (*onComplete)(TSwapChain *))
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{
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std::packaged_task<void()> lambda(
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[=]() mutable
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{
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auto *swapChain = Viewer_createHeadlessSwapChain(viewer, width, height);
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onComplete(swapChain);
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});
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auto fut = _rl->add_task(lambda);
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_createSwapChainRenderThread(TViewer *viewer,
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void *const surface,
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void (*onComplete)(TSwapChain *))
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{
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std::packaged_task<void()> lambda(
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[=]() mutable
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{
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auto *swapChain = Viewer_createSwapChain(viewer, surface);
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onComplete(swapChain);
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});
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auto fut = _rl->add_task(lambda);
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_destroySwapChainRenderThread(TViewer *viewer, TSwapChain *swapChain, void (*onComplete)())
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{
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std::packaged_task<void()> lambda(
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[=]() mutable
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{
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Viewer_destroySwapChain(viewer, swapChain);
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onComplete();
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});
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auto fut = _rl->add_task(lambda);
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_requestFrameRenderThread(TViewer *viewer, void (*onComplete)())
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{
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if (!_rl)
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{
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Log("No render loop!"); // PANIC?
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}
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else
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{
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_rl->requestFrame(onComplete);
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}
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_loadIblRenderThread(TViewer *viewer, const char *iblPath, float intensity, void (*onComplete)())
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{
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std::packaged_task<void()> lambda(
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[=]() mutable
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{
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Viewer_loadIbl(viewer, iblPath, intensity);
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onComplete();
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});
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auto fut = _rl->add_task(lambda);
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_createRenderTargetRenderThread(TViewer *viewer, intptr_t texture, uint32_t width, uint32_t height, void (*onComplete)(TRenderTarget *))
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{
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std::packaged_task<void()> lambda(
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[=]() mutable
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{
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auto renderTarget = Viewer_createRenderTarget(viewer, texture, width, height);
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onComplete(renderTarget);
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});
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auto fut = _rl->add_task(lambda);
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}
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EMSCRIPTEN_KEEPALIVE void
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set_frame_interval_render_thread(TViewer *viewer, float frameIntervalInMilliseconds)
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{
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_rl->setFrameIntervalInMilliseconds(frameIntervalInMilliseconds);
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std::packaged_task<void()> lambda([=]() mutable
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{ ((FilamentViewer *)viewer)->setFrameInterval(frameIntervalInMilliseconds); });
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auto fut = _rl->add_task(lambda);
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_renderRenderThread(TViewer *viewer, TView *tView, TSwapChain *tSwapChain)
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{
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std::packaged_task<void()> lambda([=]() mutable
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{ _rl->doRender(); });
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auto fut = _rl->add_task(lambda);
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_captureRenderThread(TViewer *viewer, TView *view, TSwapChain *tSwapChain, uint8_t *pixelBuffer, void (*onComplete)())
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{
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std::packaged_task<void()> lambda([=]() mutable
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{ Viewer_capture(viewer, view, tSwapChain, pixelBuffer, onComplete); });
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auto fut = _rl->add_task(lambda);
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}
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EMSCRIPTEN_KEEPALIVE void Viewer_captureRenderTargetRenderThread(TViewer *viewer, TView *view, TSwapChain *tSwapChain, TRenderTarget *tRenderTarget, uint8_t *pixelBuffer, void (*onComplete)())
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{
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std::packaged_task<void()> lambda([=]() mutable
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{ Viewer_captureRenderTarget(viewer, view, tSwapChain, tRenderTarget, pixelBuffer, onComplete); });
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auto fut = _rl->add_task(lambda);
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}
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|
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EMSCRIPTEN_KEEPALIVE void
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set_background_color_render_thread(TViewer *viewer, const float r, const float g,
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const float b, const float a)
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{
|
||||
std::packaged_task<void()> lambda(
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||||
[=]() mutable
|
||||
{ set_background_color(viewer, r, g, b, a); });
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||||
auto fut = _rl->add_task(lambda);
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}
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||||
EMSCRIPTEN_KEEPALIVE void SceneManager_loadGltfRenderThread(TSceneManager *sceneManager,
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const char *path,
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||||
const char *relativeResourcePath,
|
||||
bool keepData,
|
||||
void (*callback)(TSceneAsset *))
|
||||
{
|
||||
std::packaged_task<void()> lambda([=]() mutable
|
||||
{
|
||||
auto entity = SceneManager_loadGltf(sceneManager, path, relativeResourcePath, keepData);
|
||||
callback(entity); });
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void SceneManager_loadGlbRenderThread(TSceneManager *sceneManager,
|
||||
const char *path,
|
||||
int numInstances,
|
||||
bool keepData,
|
||||
void (*callback)(TSceneAsset *))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]() mutable
|
||||
{
|
||||
auto asset = SceneManager_loadGlb(sceneManager, path, numInstances, keepData);
|
||||
callback(asset);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void SceneManager_createGeometryRenderThread(
|
||||
TSceneManager *sceneManager,
|
||||
float *vertices,
|
||||
int numVertices,
|
||||
float *normals,
|
||||
int numNormals,
|
||||
float *uvs,
|
||||
int numUvs,
|
||||
uint16_t *indices,
|
||||
int numIndices,
|
||||
int primitiveType,
|
||||
TMaterialInstance **materialInstances,
|
||||
int materialInstanceCount,
|
||||
bool keepData,
|
||||
void (*callback)(TSceneAsset *))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]
|
||||
{
|
||||
auto *asset = SceneManager_createGeometry(sceneManager, vertices, numVertices, normals, numNormals, uvs, numUvs, indices, numIndices, primitiveType, materialInstances, materialInstanceCount, keepData);
|
||||
callback(asset);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void SceneAsset_createInstanceRenderThread(
|
||||
TSceneAsset *asset, TMaterialInstance **tMaterialInstances,
|
||||
int materialInstanceCount,
|
||||
void (*callback)(TSceneAsset *))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]
|
||||
{
|
||||
auto instanceAsset = SceneAsset_createInstance(asset, tMaterialInstances, materialInstanceCount);
|
||||
callback(instanceAsset);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void MaterialProvider_createMaterialInstanceRenderThread(TMaterialProvider *tMaterialProvider, TMaterialKey *tKey, void (*callback)(TMaterialInstance *))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]
|
||||
{
|
||||
auto materialInstance = MaterialProvider_createMaterialInstance(tMaterialProvider, tKey);
|
||||
callback(materialInstance);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void SceneManager_createUnlitMaterialInstanceRenderThread(TSceneManager *sceneManager, void (*callback)(TMaterialInstance *))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]() mutable
|
||||
{
|
||||
auto instance = SceneManager_createUnlitMaterialInstance(sceneManager);
|
||||
callback(instance);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void SceneManager_createUnlitFixedSizeMaterialInstanceRenderThread(TSceneManager *sceneManager, void (*callback)(TMaterialInstance *))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]() mutable
|
||||
{
|
||||
auto instance = SceneManager_createUnlitFixedSizeMaterialInstance(sceneManager);
|
||||
callback(instance);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void SceneManager_loadGlbFromBufferRenderThread(TSceneManager *sceneManager,
|
||||
const uint8_t *const data,
|
||||
size_t length,
|
||||
int numInstances,
|
||||
bool keepData,
|
||||
int priority,
|
||||
int layer,
|
||||
bool loadResourcesAsync,
|
||||
void (*callback)(TSceneAsset *))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]() mutable
|
||||
{
|
||||
auto *asset = SceneManager_loadGlbFromBuffer(sceneManager, data, length, keepData, priority, layer, loadResourcesAsync);
|
||||
callback(asset);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void clear_background_image_render_thread(TViewer *viewer)
|
||||
{
|
||||
std::packaged_task<void()> lambda([=]
|
||||
{ clear_background_image(viewer); });
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void set_background_image_render_thread(TViewer *viewer,
|
||||
const char *path,
|
||||
bool fillHeight, void (*callback)())
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]
|
||||
{
|
||||
set_background_image(viewer, path, fillHeight);
|
||||
callback();
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void set_background_image_position_render_thread(TViewer *viewer,
|
||||
float x, float y,
|
||||
bool clamp)
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]
|
||||
{ set_background_image_position(viewer, x, y, clamp); });
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void load_skybox_render_thread(TViewer *viewer,
|
||||
const char *skyboxPath,
|
||||
void (*onComplete)())
|
||||
{
|
||||
std::packaged_task<void()> lambda([=]
|
||||
{
|
||||
load_skybox(viewer, skyboxPath);
|
||||
onComplete(); });
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void remove_skybox_render_thread(TViewer *viewer)
|
||||
{
|
||||
std::packaged_task<void()> lambda([=]
|
||||
{ remove_skybox(viewer); });
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void remove_ibl_render_thread(TViewer *viewer)
|
||||
{
|
||||
std::packaged_task<void()> lambda([=]
|
||||
{ remove_ibl(viewer); });
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void View_setToneMappingRenderThread(TView *tView, TEngine *tEngine, thermion::ToneMapping toneMapping)
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]
|
||||
{
|
||||
View_setToneMapping(tView, tEngine, toneMapping);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void View_setBloomRenderThread(TView *tView, double bloom)
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]
|
||||
{
|
||||
View_setBloom(tView, bloom);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void *SceneManager_destroyAllRenderThread(TSceneManager *tSceneManager, void (*callback)())
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]() mutable
|
||||
{
|
||||
SceneManager_destroyAll(tSceneManager);
|
||||
callback();
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void *SceneManager_destroyAssetRenderThread(TSceneManager *tSceneManager, TSceneAsset *tSceneAsset, void (*callback)())
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]() mutable
|
||||
{
|
||||
SceneManager_destroyAsset(tSceneManager, tSceneAsset);
|
||||
callback();
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void unproject_texture_render_thread(TViewer *viewer, EntityId entity, uint8_t *input, uint32_t inputWidth, uint32_t inputHeight, uint8_t *out, uint32_t outWidth, uint32_t outHeight, void (*callback)())
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]
|
||||
{
|
||||
unproject_texture(viewer, entity, input, inputWidth, inputHeight, out, outWidth, outHeight);
|
||||
callback();
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void AnimationManager_updateBoneMatricesRenderThread(
|
||||
TAnimationManager *tAnimationManager,
|
||||
TSceneAsset *sceneAsset,
|
||||
void (*callback)(bool))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]() mutable
|
||||
{
|
||||
bool result = AnimationManager_updateBoneMatrices(tAnimationManager, sceneAsset);
|
||||
callback(result);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
|
||||
EMSCRIPTEN_KEEPALIVE void AnimationManager_setMorphTargetWeightsRenderThread(
|
||||
TAnimationManager *tAnimationManager,
|
||||
EntityId entityId,
|
||||
const float *const morphData,
|
||||
int numWeights,
|
||||
void (*callback)(bool))
|
||||
{
|
||||
std::packaged_task<void()> lambda(
|
||||
[=]() mutable
|
||||
{
|
||||
bool result = AnimationManager_setMorphTargetWeights(tAnimationManager, entityId, morphData, numWeights);
|
||||
callback(result);
|
||||
});
|
||||
auto fut = _rl->add_task(lambda);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user