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add option for async loading glTF resources

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This commit is contained in:
Nick Fisher
2024-10-10 14:58:09 +08:00
parent 9deafc7371
commit 95a44936ac
9 changed files with 37 additions and 19 deletions
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5
thermion_dart/lib/src/viewer/src/ffi/src/thermion_dart.g.dart
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@@ -652,7 +652,7 @@ external ffi.Pointer<TScene> SceneManager_getScene(
@ffi.Native<
EntityId Function(ffi.Pointer<TSceneManager>, ffi.Pointer<ffi.Uint8>,
ffi.Size, ffi.Bool, ffi.Int, ffi.Int)>(isLeaf: true)
ffi.Size, ffi.Bool, ffi.Int, ffi.Int, ffi.Bool)>(isLeaf: true)
external int SceneManager_loadGlbFromBuffer(
ffi.Pointer<TSceneManager> sceneManager,
ffi.Pointer<ffi.Uint8> arg1,
@@ -660,6 +660,7 @@ external int SceneManager_loadGlbFromBuffer(
bool keepData,
int priority,
int layer,
bool loadResourcesAsync,
);
@ffi.Native<
@@ -1515,6 +1516,7 @@ external void remove_skybox_render_thread(
ffi.Bool,
ffi.Int,
ffi.Int,
ffi.Bool,
ffi.Pointer<ffi.NativeFunction<ffi.Void Function(EntityId)>>)>(
isLeaf: true)
external void SceneManager_loadGlbFromBufferRenderThread(
@@ -1525,6 +1527,7 @@ external void SceneManager_loadGlbFromBufferRenderThread(
bool keepData,
int priority,
int layer,
bool loadResourcesAsync,
ffi.Pointer<ffi.NativeFunction<ffi.Void Function(EntityId)>> callback,
);

8
thermion_dart/lib/src/viewer/src/ffi/src/thermion_viewer_ffi.dart
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@@ -5,8 +5,8 @@ import 'package:animation_tools_dart/animation_tools_dart.dart';
import 'package:thermion_dart/src/viewer/src/ffi/src/ffi_gizmo.dart';
import 'package:vector_math/vector_math_64.dart';
import 'package:vector_math/vector_math_64.dart' as v64;
import '../../../../utils/gizmo.dart';
import '../../../../utils/matrix.dart';
import '../../../../utils/src/gizmo.dart';
import '../../../../utils/src/matrix.dart';
import '../../events.dart';
import '../../shared_types/view.dart';
import '../../thermion_viewer_base.dart';
@@ -546,7 +546,7 @@ class ThermionViewerFFI extends ThermionViewer {
int numInstances = 1,
bool keepData = false,
int priority = 4,
int layer = 0}) async {
int layer = 0, bool loadResourcesAsync=false}) async {
if (unlit) {
throw Exception("Not yet implemented");
}
@@ -557,7 +557,7 @@ class ThermionViewerFFI extends ThermionViewer {
var entity = await withIntCallback((callback) =>
SceneManager_loadGlbFromBufferRenderThread(_sceneManager!, data.address,
data.length, numInstances, keepData, priority, layer, callback));
data.length, numInstances, keepData, priority, layer, loadResourcesAsync, callback));
if (entity == _FILAMENT_ASSET_ERROR) {
throw Exception("An error occurred loading GLB from buffer");

14
thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart
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@@ -1,5 +1,5 @@
import 'package:thermion_dart/src/viewer/src/events.dart';
import '../../utils/gizmo.dart';
import '../../utils/src/gizmo.dart';
import 'shared_types/shared_types.dart';
export 'shared_types/shared_types.dart';
@@ -56,8 +56,10 @@ abstract class ThermionViewer {
///
/// Render a single frame and copy the pixel buffer to [out].
///
Future<Uint8List> capture({covariant SwapChain? swapChain,
covariant View? view, covariant RenderTarget? renderTarget});
Future<Uint8List> capture(
{covariant SwapChain? swapChain,
covariant View? view,
covariant RenderTarget? renderTarget});
///
///
@@ -214,12 +216,16 @@ abstract class ThermionViewer {
/// Specify [numInstances] to create multiple instances (this is more efficient than dynamically instantating at a later time). You can then retrieve the created instances with [getInstances].
/// If you want to be able to call [createInstance] at a later time, you must pass true for [keepData].
/// If [keepData] is false, the source glTF data will be released and [createInstance] will throw an exception.
/// If [loadResourcesAsync] is true, resources (textures, materials, etc) will
/// be loaded asynchronously (so expect some material/texture pop-in);
///
///
Future<ThermionEntity> loadGlbFromBuffer(Uint8List data,
{int numInstances = 1,
bool keepData = false,
int priority = 4,
int layer = 0});
int layer = 0,
bool loadResourcesAsync});
///
/// Create a new instance of [entity].

2
thermion_dart/native/include/SceneManager.hpp
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@@ -92,7 +92,7 @@ namespace thermion
/// @return an Entity representing the FilamentAsset associated with the loaded FilamentAsset.
///
EntityId loadGlb(const char *uri, int numInstances, bool keepData);
EntityId loadGlbFromBuffer(const uint8_t *data, size_t length, int numInstances = 1, bool keepData = false, int priority = 4, int layer = 0);
EntityId loadGlbFromBuffer(const uint8_t *data, size_t length, int numInstances = 1, bool keepData = false, int priority = 4, int layer = 0, bool loadResourcesAsync = false);
EntityId createInstance(EntityId entityId);
void remove(EntityId entity);

2
thermion_dart/native/include/ThermionDartApi.h
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@@ -202,7 +202,7 @@ extern "C"
EMSCRIPTEN_KEEPALIVE TCamera* SceneManager_findCameraByName(TSceneManager* tSceneManager, EntityId entity, const char* name);
EMSCRIPTEN_KEEPALIVE void SceneManager_setVisibilityLayer(TSceneManager *tSceneManager, EntityId entity, int layer);
EMSCRIPTEN_KEEPALIVE TScene* SceneManager_getScene(TSceneManager *tSceneManager);
EMSCRIPTEN_KEEPALIVE EntityId SceneManager_loadGlbFromBuffer(TSceneManager *sceneManager, const uint8_t *const, size_t length, bool keepData, int priority, int layer);
EMSCRIPTEN_KEEPALIVE EntityId SceneManager_loadGlbFromBuffer(TSceneManager *sceneManager, const uint8_t *const, size_t length, bool keepData, int priority, int layer, bool loadResourcesAsync);
EMSCRIPTEN_KEEPALIVE bool SceneManager_setMorphAnimation(
TSceneManager *sceneManager,
EntityId entity,

2
thermion_dart/native/include/ThermionDartRenderThreadApi.h
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@@ -52,7 +52,7 @@ extern "C"
void load_skybox_render_thread(TViewer *viewer, const char *skyboxPath, void (*onComplete)());
void remove_skybox_render_thread(TViewer *viewer);
void SceneManager_loadGlbFromBufferRenderThread(TSceneManager *sceneManager, const uint8_t *const data, size_t length, int numInstances, bool keepData, int priority, int layer, void (*callback)(EntityId));
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)(EntityId));
void load_glb_render_thread(TSceneManager *sceneManager, const char *assetPath, int numInstances, bool keepData, void (*callback)(EntityId));
void load_gltf_render_thread(TSceneManager *sceneManager, const char *assetPath, const char *relativePath, bool keepData, void (*callback)(EntityId));
void create_instance_render_thread(TSceneManager *sceneManager, EntityId entityId, void (*callback)(EntityId));

18
thermion_dart/native/src/SceneManager.cpp
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@@ -257,7 +257,7 @@ namespace thermion
}
EntityId SceneManager::loadGlbFromBuffer(const uint8_t *data, size_t length, int numInstances, bool keepData, int priority, int layer)
EntityId SceneManager::loadGlbFromBuffer(const uint8_t *data, size_t length, int numInstances, bool keepData, int priority, int layer, bool loadResourcesAsync)
{
FilamentAsset *asset = nullptr;
@@ -304,10 +304,18 @@ namespace thermion
_gltfResourceLoader->asyncUpdateLoad();
}
#else
if (!_gltfResourceLoader->loadResources(asset))
{
Log("Unknown error loading glb asset");
return 0;
if(loadResourcesAsync) {
if (!_gltfResourceLoader->asyncBeginLoad(asset))
{
Log("Unknown error loading glb asset");
return 0;
}
} else {
if (!_gltfResourceLoader->loadResources(asset))
{
Log("Unknown error loading glb asset");
return 0;
}
}
#endif

2
thermion_dart/native/src/ThermionDartApi.cpp
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@@ -169,7 +169,7 @@ extern "C"
return ((SceneManager *)sceneManager)->loadGlb(assetPath, numInstances, keepData);
}
EMSCRIPTEN_KEEPALIVE EntityId SceneManager_loadGlbFromBuffer(TSceneManager *sceneManager, const uint8_t *const data, size_t length, bool keepData, int priority, int layer)
EMSCRIPTEN_KEEPALIVE EntityId SceneManager_loadGlbFromBuffer(TSceneManager *sceneManager, const uint8_t *const data, size_t length, bool keepData, int priority, int layer, bool loadResourcesAsync)
{
return ((SceneManager *)sceneManager)->loadGlbFromBuffer((const uint8_t *)data, length, 1, keepData, priority, layer);
}

3
thermion_dart/native/src/ThermionDartRenderThreadApi.cpp
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@@ -336,12 +336,13 @@ extern "C"
bool keepData,
int priority,
int layer,
bool loadResourcesAsync,
void (*callback)(EntityId))
{
std::packaged_task<EntityId()> lambda(
[=]() mutable
{
auto entity = SceneManager_loadGlbFromBuffer(sceneManager, data, length, keepData, priority, layer);
auto entity = SceneManager_loadGlbFromBuffer(sceneManager, data, length, keepData, priority, layer, loadResourcesAsync);
callback(entity);
return entity;
});