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fix instancing so that gltf assets always fill the first instance slot

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This commit is contained in:
Nick Fisher
2025-03-28 13:06:36 +08:00
parent a79e1a86f8
commit ecb8d8672a
13 changed files with 206 additions and 186 deletions
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68
thermion_dart/native/src/c_api/TGizmo.cpp
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@@ -4,6 +4,7 @@
#include "c_api/TGizmo.h"
#include "c_api/TSceneAsset.h"
#include "c_api/TGltfAssetLoader.h"
#include "scene/Gizmo.hpp"
#include "scene/GltfSceneAsset.hpp"
#include "resources/translation_gizmo_glb.h"
@@ -20,56 +21,59 @@ namespace thermion
EMSCRIPTEN_KEEPALIVE TGizmo *Gizmo_create(
TEngine *tEngine,
TGltfAssetLoader *assetLoader,
TGltfAssetLoader *tAssetLoader,
TGltfResourceLoader *tGltfResourceLoader,
TNameComponentManager *tNameComponentManager,
TView *tView,
TMaterial *tMaterial,
TGizmoType tGizmoType) {
TGizmoType tGizmoType)
{
auto *engine = reinterpret_cast<Engine *>(tEngine);
auto *view = reinterpret_cast<View *>(tView);
auto *material = reinterpret_cast<Material *>(tMaterial);
auto *gltfResourceLoader = reinterpret_cast<gltfio::ResourceLoader *>(tGltfResourceLoader);
TSceneAsset *sceneAsset;
const uint8_t *data;
size_t size;
switch (tGizmoType)
{
case GIZMO_TYPE_TRANSLATION:
{
{
TRACE("Building translation gizmo");
sceneAsset = SceneAsset_loadGlb(
tEngine,
assetLoader,
tNameComponentManager,
TRANSLATION_GIZMO_GLB_TRANSLATION_GIZMO_DATA,
TRANSLATION_GIZMO_GLB_TRANSLATION_GIZMO_SIZE,
3
);
data = TRANSLATION_GIZMO_GLB_TRANSLATION_GIZMO_DATA;
size = TRANSLATION_GIZMO_GLB_TRANSLATION_GIZMO_SIZE;
break;
}
case GIZMO_TYPE_ROTATION:
{
TRACE("Building rotation gizmo");
sceneAsset = SceneAsset_loadGlb(
tEngine,
assetLoader,
tNameComponentManager,
ROTATION_GIZMO_GLB_ROTATION_GIZMO_DATA,
ROTATION_GIZMO_GLB_ROTATION_GIZMO_SIZE,
3
);
break;
}
}
case GIZMO_TYPE_ROTATION:
{
TRACE("Building rotation gizmo");
data = ROTATION_GIZMO_GLB_ROTATION_GIZMO_DATA;
size = ROTATION_GIZMO_GLB_ROTATION_GIZMO_SIZE;
break;
}
}
auto *tFilamentAsset = GltfAssetLoader_load(
tEngine,
tAssetLoader,
data,
size,
3);
auto *filamentAsset = reinterpret_cast<gltfio::FilamentAsset *>(tFilamentAsset);
auto *sceneAsset = SceneAsset_createFromFilamentAsset(
tEngine,
tAssetLoader,
tNameComponentManager,
tFilamentAsset);
auto *gltfSceneAsset = reinterpret_cast<GltfSceneAsset *>(sceneAsset);
auto *filamentAsset = gltfSceneAsset->getAsset();
gltfResourceLoader->loadResources(filamentAsset);
auto *gizmo = new Gizmo(
gltfSceneAsset,
engine,
view,
material
);
gltfSceneAsset,
engine,
view,
material);
return reinterpret_cast<TGizmo *>(gizmo);
}

14
thermion_dart/native/src/c_api/TGltfAssetLoader.cpp
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@@ -114,6 +114,20 @@ EMSCRIPTEN_KEEPALIVE TMaterialProvider *GltfAssetLoader_getMaterialProvider(TGlt
return reinterpret_cast<TMaterialProvider *>(&materialProvider);
}
EMSCRIPTEN_KEEPALIVE int32_t FilamentAsset_getResourceUriCount(
TFilamentAsset *tFilamentAsset
) {
auto *filamentAsset = reinterpret_cast<gltfio::FilamentAsset *>(tFilamentAsset);
return filamentAsset->getResourceUriCount();
}
EMSCRIPTEN_KEEPALIVE const char* const* FilamentAsset_getResourceUris(
TFilamentAsset *tFilamentAsset
) {
auto *filamentAsset = reinterpret_cast<gltfio::FilamentAsset *>(tFilamentAsset);
return filamentAsset->getResourceUris();
}
#ifdef __cplusplus
}
}

40
thermion_dart/native/src/c_api/TSceneAsset.cpp
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@@ -66,17 +66,14 @@ extern "C"
}
EMSCRIPTEN_KEEPALIVE TSceneAsset *SceneAsset_loadGlb(
EMSCRIPTEN_KEEPALIVE TSceneAsset *SceneAsset_createFromFilamentAsset(
TEngine *tEngine,
TGltfAssetLoader *tAssetLoader,
TNameComponentManager *tNameComponentManager,
const uint8_t *data,
size_t length,
size_t numInstances
TFilamentAsset *tFilamentAsset
) {
auto *engine = reinterpret_cast<filament::Engine *>(tEngine);
auto *nameComponentManager = reinterpret_cast<utils::NameComponentManager *>(tNameComponentManager);
auto *tFilamentAsset = GltfAssetLoader_load(tEngine, tAssetLoader, data, length, numInstances);
auto *filamentAsset = reinterpret_cast<filament::gltfio::FilamentAsset *>(tFilamentAsset);
auto *assetLoader = reinterpret_cast<filament::gltfio::AssetLoader *>(tAssetLoader);
@@ -89,33 +86,6 @@ extern "C"
return reinterpret_cast<TSceneAsset *>(sceneAsset);
}
EMSCRIPTEN_KEEPALIVE int32_t SceneAsset_getResourceUriCount(
TSceneAsset *tSceneAsset
) {
auto sceneAsset = reinterpret_cast<SceneAsset *>(tSceneAsset);
if(sceneAsset->getType() != SceneAsset::SceneAssetType::Gltf) {
Log("Error - not a gltf asset");
return -1;
}
auto gltfAsset = reinterpret_cast<GltfSceneAsset *>(tSceneAsset);
auto *filamentAsset = gltfAsset->getAsset();
return filamentAsset->getResourceUriCount();
}
EMSCRIPTEN_KEEPALIVE const char* const* SceneAsset_getResourceUris(
TSceneAsset *tSceneAsset
) {
auto sceneAsset = reinterpret_cast<SceneAsset *>(tSceneAsset);
if(sceneAsset->getType() != SceneAsset::SceneAssetType::Gltf) {
Log("Error - not a gltf asset");
return nullptr;
}
auto gltfAsset = reinterpret_cast<GltfSceneAsset *>(tSceneAsset);
auto *filamentAsset = gltfAsset->getAsset();
return filamentAsset->getResourceUris();
}
EMSCRIPTEN_KEEPALIVE TFilamentAsset *SceneAsset_getFilamentAsset(TSceneAsset *tSceneAsset) {
auto sceneAsset = reinterpret_cast<SceneAsset *>(tSceneAsset);
@@ -130,7 +100,6 @@ extern "C"
return reinterpret_cast<TFilamentAsset *>(filamentAsset);
}
EMSCRIPTEN_KEEPALIVE TSceneAsset *SceneAsset_createGrid(TEngine *tEngine, TMaterial* tMaterial) {
auto *engine = reinterpret_cast<filament::Engine *>(tEngine);
auto *material = reinterpret_cast<filament::Material *>(tMaterial);
@@ -234,6 +203,11 @@ extern "C"
return reinterpret_cast<TSceneAsset*>(instance);
}
EMSCRIPTEN_KEEPALIVE size_t SceneAsset_getInstanceCount(TSceneAsset *tSceneAsset) {
auto *asset = reinterpret_cast<SceneAsset*>(tSceneAsset);
return asset->getInstanceCount();
}
EMSCRIPTEN_KEEPALIVE TSceneAsset *SceneAsset_createInstance(TSceneAsset *tSceneAsset, TMaterialInstance **tMaterialInstances, int materialInstanceCount)
{
auto *materialInstances = reinterpret_cast<MaterialInstance **>(tMaterialInstances);

33
thermion_dart/native/src/c_api/ThermionDartRenderThreadApi.cpp
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@@ -415,23 +415,6 @@ extern "C"
auto fut = _renderThread->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void SceneAsset_loadGlbRenderThread(
TEngine *tEngine,
TGltfAssetLoader *tAssetLoader,
TNameComponentManager *tNameComponentManager,
uint8_t *data,
size_t length,
size_t numInstances,
void (*callback)(TSceneAsset *)
) {
std::packaged_task<void()> lambda(
[=]
{
auto sceneAsset = SceneAsset_loadGlb(tEngine, tAssetLoader, tNameComponentManager, data, length, numInstances);
callback(sceneAsset);
});
auto fut = _renderThread->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void SceneAsset_createGeometryRenderThread(
TEngine *tEngine,
@@ -457,6 +440,22 @@ extern "C"
auto fut = _renderThread->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void SceneAsset_createFromFilamentAssetRenderThread(
TEngine *tEngine,
TGltfAssetLoader *tAssetLoader,
TNameComponentManager *tNameComponentManager,
TFilamentAsset *tFilamentAsset,
void (*onComplete)(TSceneAsset *)
) {
std::packaged_task<void()> lambda(
[=]
{
auto sceneAsset = SceneAsset_createFromFilamentAsset(tEngine, tAssetLoader, tNameComponentManager, tFilamentAsset);
onComplete(sceneAsset);
});
auto fut = _renderThread->add_task(lambda);
}
EMSCRIPTEN_KEEPALIVE void SceneAsset_createInstanceRenderThread(
TSceneAsset *asset, TMaterialInstance **tMaterialInstances,
int materialInstanceCount,