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-rw-r--r--indra/llmeshoptimizer/llmeshoptimizer.h3
-rw-r--r--indra/newview/llmodelpreview.cpp180
2 files changed, 101 insertions, 82 deletions
diff --git a/indra/llmeshoptimizer/llmeshoptimizer.h b/indra/llmeshoptimizer/llmeshoptimizer.h
index a0c53ed9e1..157de0251d 100644
--- a/indra/llmeshoptimizer/llmeshoptimizer.h
+++ b/indra/llmeshoptimizer/llmeshoptimizer.h
@@ -36,7 +36,8 @@ public:
LLMeshOptimizer();
~LLMeshOptimizer();
- // returns state
+ // returns amount of indices in destiantion
+ // result_error returns how far from original the model is in % if not NULL
static U64 simplify(
U16 *destination,
const U16 *indices,
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index f23143e3fa..0cf44ca1cb 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -1404,7 +1404,7 @@ void LLModelPreview::genGlodLODs(S32 which_lod, U32 decimation, bool enforce_tri
U32 type_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;
- U32 lod_mode = 0;
+ U32 lod_mode = LIMIT_TRIANGLES;
F32 lod_error_threshold = 0;
@@ -3569,7 +3569,7 @@ void LLModelPreview::onLODGenerateParamCommit(S32 lod, bool enforce_tri_limit)
}
}
-void LLModelPreview::onLODMeshOptimizerParamCommit(S32 lod, bool enforce_tri_limit)
+void LLModelPreview::onLODMeshOptimizerParamCommit(S32 requested_lod, bool enforce_tri_limit)
{
if (mLODFrozen)
{
@@ -3577,10 +3577,10 @@ void LLModelPreview::onLODMeshOptimizerParamCommit(S32 lod, bool enforce_tri_lim
}
// Allow LoD from -1 to LLModel::LOD_PHYSICS
- if (lod < -1 || lod > LLModel::NUM_LODS - 1)
+ if (requested_lod < -1 || requested_lod > LLModel::NUM_LODS - 1)
{
std::ostringstream out;
- out << "Invalid level of detail: " << lod;
+ out << "Invalid level of detail: " << requested_lod;
LL_WARNS() << out.str() << LL_ENDL;
LLFloaterModelPreview::addStringToLog(out, false);
assert(lod >= -1 && lod < LLModel::NUM_LODS);
@@ -3592,106 +3592,108 @@ void LLModelPreview::onLODMeshOptimizerParamCommit(S32 lod, bool enforce_tri_lim
return;
}
-
- U32 triangle_count = 0;
- U32 instanced_triangle_count = 0;
-
- //get the triangle count for the whole scene
- for (LLModelLoader::scene::iterator iter = mBaseScene.begin(), endIter = mBaseScene.end(); iter != endIter; ++iter)
- {
- for (LLModelLoader::model_instance_list::iterator instance = iter->second.begin(), end_instance = iter->second.end(); instance != end_instance; ++instance)
- {
- LLModel* mdl = instance->mModel;
- if (mdl)
- {
- instanced_triangle_count += mdl->getNumTriangles();
- }
- }
- }
-
- //get the triangle count for the non-instanced set of models
- for (U32 i = 0; i < mBaseModel.size(); ++i)
+ //get the triangle count for all base models
+ S32 base_triangle_count = 0;
+ for (S32 i = 0; i < mBaseModel.size(); ++i)
{
- triangle_count += mBaseModel[i]->getNumTriangles();
+ base_triangle_count += mBaseModel[i]->getNumTriangles();
}
- //get ratio of uninstanced triangles to instanced triangles
- F32 triangle_ratio = (F32)triangle_count / (F32)instanced_triangle_count;
- U32 base_triangle_count = triangle_count;
- U32 lod_mode = 0;
- F32 lod_error_threshold = 0;
-
-
// Urgh...
// TODO: add interface to mFMP to get error treshold or let mFMP write one into LLModelPreview
// We should not be accesing views from other class!
- LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode_" + lod_name[lod]);
- if (iface)
+ U32 lod_mode = LIMIT_TRIANGLES;
+ F32 indices_ratio = 0;
+ F32 triangle_limit = 0;
+ F32 lod_error_threshold = 100;
+ F32 decimation = 3.f;
+
+ // If requesting a single lod
+ if (requested_lod > -1 && requested_lod < NUM_LOD)
{
- lod_mode = iface->getFirstSelectedIndex();
- }
+ LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode_" + lod_name[requested_lod]);
+ if (iface)
+ {
+ lod_mode = iface->getFirstSelectedIndex();
+ }
- lod_error_threshold = mFMP->childGetValue("lod_error_threshold_" + lod_name[lod]).asReal();
+ if (lod_mode == LIMIT_TRIANGLES)
+ {
+ if (!enforce_tri_limit && lod_mode == LIMIT_TRIANGLES)
+ {
+ triangle_limit = base_triangle_count;
+ // reset to default value for this lod
+ for (S32 j = LLModel::LOD_HIGH; j > requested_lod; --j)
+ {
+ triangle_limit /= decimation;
+ indices_ratio /= decimation;
+ }
+ }
+ else
+ {
+ // meshoptimizer doesn't use triangle limit, it uses indices limit, so convert it to ratio
- if (lod != -1)
- {
- mRequestedLoDMode[lod] = lod_mode;
- }
+ // UI spacifies limit for all models of single lod
+ triangle_limit = mFMP->childGetValue("lod_triangle_limit_" + lod_name[requested_lod]).asInteger();
- S32 limit = -1;
- if (lod_mode == LIMIT_TRIANGLES)
+ // calculate aproximate ratio
+ indices_ratio = (F32)triangle_limit / (F32)base_triangle_count;
+ }
+ }
+ else
+ {
+ lod_error_threshold = mFMP->childGetValue("lod_error_threshold_" + lod_name[requested_lod]).asReal();
+ }
+ }
+ else
{
- limit = mFMP->childGetValue("lod_triangle_limit_" + lod_name[lod]).asInteger();
- //convert from "scene wide" to "non-instanced" triangle limit
- limit = (S32)((F32)limit*triangle_ratio);
+ // we are genrating all lods and each lod will get own indices_ratio
+ indices_ratio = 1;
+ triangle_limit = base_triangle_count;
}
- // Glod regenerates vertex buffer at this stage
+ mMaxTriangleLimit = base_triangle_count;
+
+ // TODO: Glod regenerates vertex buffer at this stage
+ // check why, it might be needed to regenerate buffer as well
// Build models
S32 start = LLModel::LOD_HIGH;
S32 end = 0;
- S32 decimation = 3;
- if (lod != -1)
+ if (requested_lod != -1)
{
- start = lod;
- end = lod;
+ start = requested_lod;
+ end = requested_lod;
}
- mMaxTriangleLimit = base_triangle_count;
+ LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
+ if (shader)
+ {
+ shader->unbind();
+ }
for (S32 lod = start; lod >= end; --lod)
{
- if (lod == -1)
+ if (requested_lod == -1)
{
+ // we are genrating all lods and each lod gets own indices_ratio
if (lod < start)
{
- triangle_count /= decimation;
- }
- }
- else
- {
- if (enforce_tri_limit)
- {
- triangle_count = limit;
- }
- else
- {
- for (S32 j = LLModel::LOD_HIGH; j > lod; --j)
- {
- triangle_count /= decimation;
- }
+ indices_ratio /= decimation;
+ triangle_limit /= decimation;
}
}
+ mRequestedTriangleCount[lod] = triangle_limit;
+ mRequestedErrorThreshold[lod] = lod_error_threshold;
+ mRequestedLoDMode[requested_lod] = lod_mode;
+
mModel[lod].clear();
mModel[lod].resize(mBaseModel.size());
mVertexBuffer[lod].clear();
- mRequestedTriangleCount[lod] = (S32)((F32)triangle_count / triangle_ratio);
- mRequestedErrorThreshold[lod] = lod_error_threshold;
for (U32 mdl_idx = 0; mdl_idx < mBaseModel.size(); ++mdl_idx)
{
@@ -3718,20 +3720,30 @@ void LLModelPreview::onLODMeshOptimizerParamCommit(S32 lod, bool enforce_tri_lim
// todo: run generateShadowIndexBuffer, at some stage, potentially inside simplify
- F32 error_code = 0;
- LLMeshOptimizer::simplify(&output[0],
- &face.mIndices[0],
- num_indices,
- &face.mPositions[0],
- face.mNumVertices,
- triangle_count * 3, //todo: indices limit, not triangles limit*3
- lod_error_threshold,
- &error_code);
+ F32 result_code = 0; // how far from original the model is
+ S32 new_indices = LLMeshOptimizer::simplify(&output[0],
+ face.mIndices,
+ num_indices,
+ &face.mPositions[0],
+ face.mNumVertices,
+ num_indices * indices_ratio,
+ lod_error_threshold,
+ &result_code);
- // todo: copy result into face
- }
+ LLVolumeFace &new_face = target_model->getVolumeFace(face_idx);
+
+ // Copy old values
+ // todo: no point copying faces?
+ new_face = face;
- LL_WARNS() << "WORK IN PROGRESS" << LL_ENDL;
+ // Assign new values
+ S32 idx_size = (new_indices * sizeof(U16) + 0xF) & ~0xF;
+ LLVector4a::memcpyNonAliased16((F32*)new_face.mIndices, (F32*)(&output[0]), idx_size);
+ new_face.mNumIndices = new_indices;
+
+ // clear unused values
+ new_face.optimize();
+ }
//blind copy skin weights and just take closest skin weight to point on
//decimated mesh for now (auto-generating LODs with skin weights is still a bit
@@ -3739,6 +3751,7 @@ void LLModelPreview::onLODMeshOptimizerParamCommit(S32 lod, bool enforce_tri_lim
target_model->mPosition = base->mPosition;
target_model->mSkinWeights = base->mSkinWeights;
target_model->mSkinInfo = base->mSkinInfo;
+
//copy material list
target_model->mMaterialList = base->mMaterialList;
@@ -3774,6 +3787,11 @@ void LLModelPreview::onLODMeshOptimizerParamCommit(S32 lod, bool enforce_tri_lim
mResourceCost = calcResourceCost();
+ LLVertexBuffer::unbind();
+ if (shader)
+ {
+ shader->bind();
+ }
refresh();
}