Files
cup_edit/thermion_dart/native/src/ThermionDartRenderThreadApi.cpp

848 lines
27 KiB
C++

#ifdef __EMSCRIPTEN__
#define GL_GLEXT_PROTOTYPES
#include <GL/gl.h>
#include <GL/glext.h>
#include <emscripten/emscripten.h>
#include <emscripten/bind.h>
#include <emscripten/html5.h>
#include <emscripten/threading.h>
#include <emscripten/val.h>
extern "C"
{
extern EMSCRIPTEN_KEEPALIVE EMSCRIPTEN_WEBGL_CONTEXT_HANDLE thermion_dart_web_create_gl_context();
}
#endif
#include "ThermionDartRenderThreadApi.h"
#include "FilamentViewer.hpp"
#include "Log.hpp"
#include "ThreadPool.hpp"
#include "filament/LightManager.h"
#include <functional>
#include <mutex>
#include <thread>
#include <stdlib.h>
using namespace thermion_filament;
using namespace std::chrono_literals;
#include <time.h>
class RenderLoop
{
public:
explicit RenderLoop()
{
srand(time(NULL));
#ifdef __EMSCRIPTEN__
pthread_attr_t attr;
pthread_attr_init(&attr);
emscripten_pthread_attr_settransferredcanvases(&attr, "canvas");
pthread_create(&t, &attr, &RenderLoop::startHelper, this);
#else
t = new std::thread([this]()
{ start(); });
#endif
}
~RenderLoop()
{
_render = false;
_stop = true;
_cv.notify_one();
#ifdef __EMSCRIPTEN__
pthread_join(t, NULL);
#else
t->join();
#endif
}
static void mainLoop(void *arg)
{
((RenderLoop *)arg)->iter();
}
static void *startHelper(void *parm)
{
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop_arg(&RenderLoop::mainLoop, parm, 0, true);
#else
((RenderLoop *)parm)->start();
#endif
return nullptr;
}
void start()
{
while (!_stop)
{
iter();
}
}
void requestFrame()
{
this->_render = true;
}
void iter()
{
std::unique_lock<std::mutex> lock(_mutex);
if (_render)
{
doRender();
_render = false;
// Calculate and print FPS
auto currentTime = std::chrono::high_resolution_clock::now();
float deltaTime = std::chrono::duration<float, std::chrono::seconds::period>(currentTime - _lastFrameTime).count();
_lastFrameTime = currentTime;
_frameCount++;
_accumulatedTime += deltaTime;
if (_accumulatedTime >= 1.0f) // Update FPS every second
{
_fps = _frameCount / _accumulatedTime;
std::cout << "FPS: " << _fps << std::endl;
_frameCount = 0;
_accumulatedTime = 0.0f;
}
}
if (!_tasks.empty())
{
auto task = std::move(_tasks.front());
_tasks.pop_front();
lock.unlock();
task();
lock.lock();
}
_cv.wait_for(lock, std::chrono::microseconds(1000), [this]
{ return !_tasks.empty() || _stop || _render; });
if (_stop)
return;
}
void createViewer(void *const context,
void *const platform,
const char *uberArchivePath,
const ResourceLoaderWrapper *const loader,
void (*renderCallback)(void *),
void *const owner,
void (*callback)(void *const))
{
_renderCallback = renderCallback;
_renderCallbackOwner = owner;
std::packaged_task<void()> lambda([=]() mutable
{
#ifdef __EMSCRIPTEN__
_context = thermion_dart_web_create_gl_context();
auto success = emscripten_webgl_make_context_current((EMSCRIPTEN_WEBGL_CONTEXT_HANDLE)_context);
if (success != EMSCRIPTEN_RESULT_SUCCESS)
{
std::cout << "Failed to make context current." << std::endl;
return;
}
glClearColor(0.0, 0.5, 0.5, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
// emscripten_webgl_commit_frame();
_viewer = (FilamentViewer *)create_filament_viewer((void *const)_context, loader, platform, uberArchivePath);
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0, $1); }, callback, _viewer);
#else
_viewer = (FilamentViewer *)create_filament_viewer(context, loader, platform, uberArchivePath);
callback(_viewer);
#endif
});
auto fut = add_task(lambda);
}
void destroyViewer(FilamentViewer *viewer)
{
std::packaged_task<void()> lambda([=]() mutable
{
_render = false;
_viewer = nullptr;
destroy_filament_viewer(viewer); });
auto fut = add_task(lambda);
fut.wait();
}
bool doRender()
{
#ifdef __EMSCRIPTEN__
if (emscripten_is_webgl_context_lost(_context) == EM_TRUE)
{
Log("Context lost");
auto sleepFor = std::chrono::seconds(1);
std::this_thread::sleep_for(sleepFor);
return;
}
#endif
auto rendered = render(_viewer, 0, nullptr, nullptr, nullptr);
if (_renderCallback)
{
_renderCallback(_renderCallbackOwner);
}
return rendered;
#ifdef __EMSCRIPTEN__
// emscripten_webgl_commit_frame();
#endif
}
void setFrameIntervalInMilliseconds(float frameIntervalInMilliseconds)
{
std::unique_lock<std::mutex> lock(_mutex);
_frameIntervalInMicroseconds = static_cast<int>(1000.0f * frameIntervalInMilliseconds);
}
template <class Rt>
auto add_task(std::packaged_task<Rt()> &pt) -> std::future<Rt>
{
std::unique_lock<std::mutex> lock(_mutex);
auto ret = pt.get_future();
_tasks.push_back([pt = std::make_shared<std::packaged_task<Rt()>>(
std::move(pt))]
{ (*pt)(); });
_cv.notify_one();
return ret;
}
private:
bool _stop = false;
bool _render = false;
int _frameIntervalInMicroseconds = 1000000 / 60;
std::mutex _mutex;
std::condition_variable _cv;
void (*_renderCallback)(void *const) = nullptr;
void *_renderCallbackOwner = nullptr;
std::deque<std::function<void()>> _tasks;
FilamentViewer *_viewer = nullptr;
std::chrono::high_resolution_clock::time_point _lastFrameTime;
int _frameCount = 0;
float _accumulatedTime = 0.0f;
float _fps = 0.0f;
#ifdef __EMSCRIPTEN__
pthread_t t;
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE _context;
#else
std::thread *t = nullptr;
#endif
};
extern "C"
{
static RenderLoop *_rl;
EMSCRIPTEN_KEEPALIVE void create_filament_viewer_render_thread(
void *const context, void *const platform, const char *uberArchivePath,
const void *const loader,
void (*renderCallback)(void *const renderCallbackOwner),
void *const renderCallbackOwner,
void (*callback)(void *const))
{
if (!_rl)
{
_rl = new RenderLoop();
}
_rl->createViewer(context, platform, uberArchivePath, (const ResourceLoaderWrapper *const)loader,
renderCallback, renderCallbackOwner, callback);
}
EMSCRIPTEN_KEEPALIVE void destroy_filament_viewer_render_thread(void *const viewer)
{
_rl->destroyViewer((FilamentViewer *)viewer);
delete _rl;
_rl = nullptr;
}
EMSCRIPTEN_KEEPALIVE void create_swap_chain_render_thread(void *const viewer,
void *const surface,
uint32_t width,
uint32_t height,
void (*onComplete)())
{
std::packaged_task<void()> lambda(
[=]() mutable
{
create_swap_chain(viewer, surface, width, height);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, onComplete);
#else
onComplete();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void destroy_swap_chain_render_thread(void *const viewer, void (*onComplete)())
{
std::packaged_task<void()> lambda(
[=]() mutable
{
destroy_swap_chain(viewer);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, onComplete);
#else
onComplete();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void create_render_target_render_thread(void *const viewer,
intptr_t nativeTextureId,
uint32_t width,
uint32_t height,
void (*onComplete)())
{
std::packaged_task<void()> lambda([=]() mutable
{
create_render_target(viewer, nativeTextureId, width, height);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, onComplete);
#else
onComplete();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void request_frame_render_thread(void *const viewer)
{
if (!_rl)
{
Log("No render loop!"); // PANIC?
}
else
{
_rl->requestFrame();
}
}
EMSCRIPTEN_KEEPALIVE void
set_frame_interval_render_thread(void *const viewer, float frameIntervalInMilliseconds)
{
_rl->setFrameIntervalInMilliseconds(frameIntervalInMilliseconds);
std::packaged_task<void()> lambda([=]() mutable
{ ((FilamentViewer *)viewer)->setFrameInterval(frameIntervalInMilliseconds); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void render_render_thread(void *const viewer)
{
std::packaged_task<void()> lambda([=]() mutable
{ _rl->doRender(); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void capture_render_thread(void *const viewer, uint8_t *pixelBuffer, void (*onComplete)())
{
std::packaged_task<void()> lambda([=]() mutable
{ capture(viewer, pixelBuffer, onComplete); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void
set_background_color_render_thread(void *const viewer, const float r, const float g,
const float b, const float a)
{
std::packaged_task<void()> lambda(
[=]() mutable
{ set_background_color(viewer, r, g, b, a); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void load_gltf_render_thread(void *const sceneManager,
const char *path,
const char *relativeResourcePath,
bool keepData,
void (*callback)(EntityId))
{
std::packaged_task<EntityId()> lambda([=]() mutable
{
auto entity = load_gltf(sceneManager, path, relativeResourcePath, keepData);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({
moduleArg.dartFilamentResolveCallback($0, $1);
}, callback, entity);
#else
callback(entity);
#endif
return entity; });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void load_glb_render_thread(void *const sceneManager,
const char *path,
int numInstances,
bool keepData,
void (*callback)(EntityId))
{
std::packaged_task<EntityId()> lambda(
[=]() mutable
{
auto entity = load_glb(sceneManager, path, numInstances, keepData);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0, $1); }, callback, entity);
#else
callback(entity);
#endif
return entity;
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void load_glb_from_buffer_render_thread(void *const sceneManager,
const uint8_t *const data,
size_t length,
int numInstances,
bool keepData,
int priority,
int layer,
void (*callback)(EntityId))
{
std::packaged_task<EntityId()> lambda(
[=]() mutable
{
auto entity = load_glb_from_buffer(sceneManager, data, length, keepData, priority, layer);
callback(entity);
return entity;
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void clear_background_image_render_thread(void *const viewer)
{
std::packaged_task<void()> lambda([=]
{ clear_background_image(viewer); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void set_background_image_render_thread(void *const viewer,
const char *path,
bool fillHeight, void (*callback)())
{
std::packaged_task<void()> lambda(
[=]
{
set_background_image(viewer, path, fillHeight);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, callback);
#else
callback();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void set_background_image_position_render_thread(void *const 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 set_tone_mapping_render_thread(void *const viewer,
int toneMapping)
{
std::packaged_task<void()> lambda(
[=]
{ set_tone_mapping(viewer, toneMapping); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void set_bloom_render_thread(void *const viewer, float strength)
{
std::packaged_task<void()> lambda([=]
{ set_bloom(viewer, strength); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void load_skybox_render_thread(void *const viewer,
const char *skyboxPath,
void (*onComplete)())
{
std::packaged_task<void()> lambda([=]
{
load_skybox(viewer, skyboxPath);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, onComplete);
#else
onComplete();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void load_ibl_render_thread(void *const viewer, const char *iblPath,
float intensity)
{
std::packaged_task<void()> lambda(
[=]
{ load_ibl(viewer, iblPath, intensity); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void remove_skybox_render_thread(void *const viewer)
{
std::packaged_task<void()> lambda([=]
{ remove_skybox(viewer); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void remove_ibl_render_thread(void *const viewer)
{
std::packaged_task<void()> lambda([=]
{ remove_ibl(viewer); });
auto fut = _rl->add_task(lambda);
}
void add_light_render_thread(
void *const viewer,
uint8_t type,
float colour,
float intensity,
float posX,
float posY,
float posZ,
float dirX,
float dirY,
float dirZ,
float falloffRadius,
float spotLightConeInner,
float spotLightConeOuter,
float sunAngularRadius,
float sunHaloSize,
float sunHaloFallof,
bool shadows,
void (*callback)(EntityId))
{
std::packaged_task<EntityId()> lambda([=]
{
auto entity = add_light(
viewer,
type,
colour,
intensity,
posX,
posY,
posZ,
dirX,
dirY,
dirZ,
falloffRadius,
spotLightConeInner,
spotLightConeOuter,
sunAngularRadius,
sunHaloSize,
sunHaloFallof,
shadows);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({
moduleArg.dartFilamentResolveCallback($0, $1);
}, callback, entity);
#else
callback(entity);
#endif
return entity; });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void remove_light_render_thread(void *const viewer,
EntityId entityId)
{
std::packaged_task<void()> lambda([=]
{ remove_light(viewer, entityId); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void clear_lights_render_thread(void *const viewer)
{
std::packaged_task<void()> lambda([=]
{ clear_lights(viewer); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void remove_entity_render_thread(void *const viewer,
EntityId asset, void (*callback)())
{
std::packaged_task<void()> lambda([=]
{
remove_entity(viewer, asset);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, callback);
#else
callback();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void clear_entities_render_thread(void *const viewer, void (*callback)())
{
std::packaged_task<void()> lambda([=]
{
clear_entities(viewer);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, callback);
#else
callback();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void set_camera_render_thread(void *const viewer, EntityId asset,
const char *nodeName, void (*callback)(bool))
{
std::packaged_task<bool()> lambda(
[=]
{
auto success = set_camera(viewer, asset, nodeName);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0, $1); }, callback, success);
#else
callback(success);
#endif
return success;
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void
get_morph_target_name_render_thread(void *sceneManager, EntityId assetEntity,
EntityId childEntity, char *const outPtr, int index, void (*callback)())
{
std::packaged_task<void()> lambda([=]
{
get_morph_target_name(sceneManager, assetEntity, childEntity, outPtr, index);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, callback);
#else
callback();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void
get_morph_target_name_count_render_thread(void *sceneManager, EntityId assetEntity,
EntityId childEntity, void (*callback)(int))
{
std::packaged_task<int()> lambda([=]
{
auto count = get_morph_target_name_count(sceneManager, assetEntity, childEntity);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({
moduleArg.dartFilamentResolveCallback($0,$1);
}, callback, count);
#else
callback(count);
#endif
return count; });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void set_animation_frame_render_thread(void *const sceneManager,
EntityId asset,
int animationIndex,
int animationFrame)
{
std::packaged_task<void()> lambda([=]
{ set_animation_frame(sceneManager, asset, animationIndex, animationFrame); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void stop_animation_render_thread(void *const sceneManager,
EntityId asset, int index)
{
std::packaged_task<void()> lambda(
[=]
{ stop_animation(sceneManager, asset, index); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void get_animation_count_render_thread(void *const sceneManager,
EntityId asset,
void (*callback)(int))
{
std::packaged_task<int()> lambda(
[=]
{
auto count = get_animation_count(sceneManager, asset);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0, $1); }, callback, count);
#else
callback(count);
#endif
return count;
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void get_animation_name_render_thread(void *const sceneManager,
EntityId asset,
char *const outPtr,
int index,
void (*callback)())
{
std::packaged_task<void()> lambda(
[=]
{
get_animation_name(sceneManager, asset, outPtr, index);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, callback);
#else
callback();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void set_post_processing_render_thread(void *const viewer,
bool enabled)
{
std::packaged_task<void()> lambda(
[=]
{ set_post_processing(viewer, enabled); });
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void
get_name_for_entity_render_thread(void *const sceneManager, const EntityId entityId, void (*callback)(const char *))
{
std::packaged_task<const char *()> lambda(
[=]
{
auto name = get_name_for_entity(sceneManager, entityId);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0, $1); }, callback, name);
#else
callback(name);
#endif
return name;
});
auto fut = _rl->add_task(lambda);
}
void set_morph_target_weights_render_thread(void *const sceneManager,
EntityId asset,
const float *const morphData,
int numWeights,
void (*callback)(bool))
{
std::packaged_task<void()> lambda(
[=]
{
auto result = set_morph_target_weights(sceneManager, asset, morphData, numWeights);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0, $1); }, callback, result);
#else
callback(result);
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void set_bone_transform_render_thread(
void *sceneManager,
EntityId asset,
int skinIndex,
int boneIndex,
const float *const transform,
void (*callback)(bool))
{
std::packaged_task<bool()> lambda(
[=]
{
auto success = set_bone_transform(sceneManager, asset, skinIndex, boneIndex, transform);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0, $1); }, callback, success);
#else
callback(success);
#endif
return success;
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void update_bone_matrices_render_thread(void *sceneManager,
EntityId entity, void (*callback)(bool))
{
std::packaged_task<void()> lambda(
[=]
{
auto success = update_bone_matrices(sceneManager, entity);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, callback, success);
#else
callback(success);
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void reset_to_rest_pose_render_thread(void *const sceneManager, EntityId entityId, void (*callback)())
{
std::packaged_task<void()> lambda(
[=]
{
reset_to_rest_pose(sceneManager, entityId);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0); }, callback);
#else
callback();
#endif
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void create_geometry_render_thread(
void *const sceneManager,
float *vertices,
int numVertices,
float *normals,
int numNormals,
float *uvs,
int numUvs,
uint16_t *indices,
int numIndices,
int primitiveType,
TMaterialInstance *materialInstance,
bool keepData,
void (*callback)(EntityId))
{
std::packaged_task<EntityId()> lambda(
[=]
{
auto entity = create_geometry(sceneManager, vertices, numVertices, normals, numNormals, uvs, numUvs, indices, numIndices, primitiveType, materialInstance, keepData);
#ifdef __EMSCRIPTEN__
MAIN_THREAD_EM_ASM({ moduleArg.dartFilamentResolveCallback($0, $1); }, callback, entity);
#else
callback(entity);
#endif
return entity;
});
auto fut = _rl->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void unproject_texture_render_thread(void *const 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);
}
}