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-rw-r--r--indra/newview/llmodelpreview.cpp873
1 files changed, 567 insertions, 306 deletions
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index fef169cbbc..859d987fc3 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -41,6 +41,7 @@
#include "lliconctrl.h"
#include "llmatrix4a.h"
#include "llmeshrepository.h"
+#include "llmeshoptimizer.h"
#include "llrender.h"
#include "llsdutil_math.h"
#include "llskinningutil.h"
@@ -66,7 +67,6 @@
#include "lltabcontainer.h"
#include "lltextbox.h"
-#include "glod/glod.h"
#include <boost/algorithm/string.hpp>
bool LLModelPreview::sIgnoreLoadedCallback = false;
@@ -89,19 +89,6 @@ static const F32 PREVIEW_ZOOM_LIMIT(10.f);
const F32 SKIN_WEIGHT_CAMERA_DISTANCE = 16.f;
-BOOL stop_gloderror()
-{
- GLuint error = glodGetError();
-
- if (error != GLOD_NO_ERROR)
- {
- LL_WARNS() << "GLOD error detected, cannot generate LOD: " << std::hex << error << LL_ENDL;
- return TRUE;
- }
-
- return FALSE;
-}
-
LLViewerFetchedTexture* bindMaterialDiffuseTexture(const LLImportMaterial& material)
{
LLViewerFetchedTexture *texture = LLViewerTextureManager::getFetchedTexture(material.getDiffuseMap(), FTT_DEFAULT, TRUE, LLGLTexture::BOOST_PREVIEW);
@@ -200,10 +187,6 @@ LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloater* fmp)
mLoadState = LLModelLoader::STARTING;
mGroup = 0;
mLODFrozen = false;
- mBuildShareTolerance = 0.f;
- mBuildQueueMode = GLOD_QUEUE_GREEDY;
- mBuildBorderMode = GLOD_BORDER_UNLOCK;
- mBuildOperator = GLOD_OPERATOR_EDGE_COLLAPSE;
for (U32 i = 0; i < LLModel::NUM_LODS; ++i)
{
@@ -211,10 +194,6 @@ LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloater* fmp)
mRequestedCreaseAngle[i] = -1.f;
mRequestedLoDMode[i] = 0;
mRequestedErrorThreshold[i] = 0.f;
- mRequestedBuildOperator[i] = 0;
- mRequestedQueueMode[i] = 0;
- mRequestedBorderMode[i] = 0;
- mRequestedShareTolerance[i] = 0.f;
}
mViewOption["show_textures"] = false;
@@ -224,23 +203,11 @@ LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloater* fmp)
mHasPivot = false;
mModelPivot = LLVector3(0.0f, 0.0f, 0.0f);
- glodInit();
-
createPreviewAvatar();
}
LLModelPreview::~LLModelPreview()
{
- // glod apparently has internal mem alignment issues that are angering
- // the heap-check code in windows, these should be hunted down in that
- // TP code, if possible
- //
- // kernel32.dll!HeapFree() + 0x14 bytes
- // msvcr100.dll!free(void * pBlock) Line 51 C
- // glod.dll!glodGetGroupParameteriv() + 0x119 bytes
- // glod.dll!glodShutdown() + 0x77 bytes
- //
- //glodShutdown();
if (mModelLoader)
{
mModelLoader->shutdown();
@@ -527,7 +494,7 @@ void LLModelPreview::rebuildUploadData()
bool upload_skinweights = fmp && fmp->childGetValue("upload_skin").asBoolean();
if (upload_skinweights && high_lod_model->mSkinInfo.mJointNames.size() > 0)
{
- LLQuaternion bind_rot = LLSkinningUtil::getUnscaledQuaternion(high_lod_model->mSkinInfo.mBindShapeMatrix);
+ LLQuaternion bind_rot = LLSkinningUtil::getUnscaledQuaternion(LLMatrix4(high_lod_model->mSkinInfo.mBindShapeMatrix));
LLQuaternion identity;
if (!bind_rot.isEqualEps(identity, 0.01))
{
@@ -762,11 +729,6 @@ void LLModelPreview::loadModel(std::string filename, S32 lod, bool force_disable
mLODFile[lod] = filename;
- if (lod == LLModel::LOD_HIGH)
- {
- clearGLODGroup();
- }
-
std::map<std::string, std::string> joint_alias_map;
getJointAliases(joint_alias_map);
@@ -867,7 +829,6 @@ void LLModelPreview::clearIncompatible(S32 lod)
if (i == LLModel::LOD_HIGH)
{
mBaseModel = mModel[lod];
- clearGLODGroup();
mBaseScene = mScene[lod];
mVertexBuffer[5].clear();
}
@@ -876,23 +837,6 @@ void LLModelPreview::clearIncompatible(S32 lod)
}
}
-void LLModelPreview::clearGLODGroup()
-{
- if (mGroup)
- {
- for (std::map<LLPointer<LLModel>, U32>::iterator iter = mObject.begin(); iter != mObject.end(); ++iter)
- {
- glodDeleteObject(iter->second);
- stop_gloderror();
- }
- mObject.clear();
-
- glodDeleteGroup(mGroup);
- stop_gloderror();
- mGroup = 0;
- }
-}
-
void LLModelPreview::loadModelCallback(S32 loaded_lod)
{
assert_main_thread();
@@ -1044,7 +988,6 @@ void LLModelPreview::loadModelCallback(S32 loaded_lod)
}
mBaseModel = mModel[loaded_lod];
- clearGLODGroup();
mBaseScene = mScene[loaded_lod];
mVertexBuffer[5].clear();
@@ -1275,240 +1218,483 @@ void LLModelPreview::restoreNormals()
updateStatusMessages();
}
-void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_limit)
+// Runs per object, but likely it is a better way to run per model+submodels
+// returns a ratio of base model indices to resulting indices
+// returns -1 in case of failure
+F32 LLModelPreview::genMeshOptimizerPerModel(LLModel *base_model, LLModel *target_model, F32 indices_decimator, F32 error_threshold, bool sloppy)
{
- // Allow LoD from -1 to LLModel::LOD_PHYSICS
- if (which_lod < -1 || which_lod > LLModel::NUM_LODS - 1)
+ // Figure out buffer size
+ S32 size_indices = 0;
+ S32 size_vertices = 0;
+
+ for (U32 face_idx = 0; face_idx < base_model->getNumVolumeFaces(); ++face_idx)
{
- std::ostringstream out;
- out << "Invalid level of detail: " << which_lod;
- LL_WARNS() << out.str() << LL_ENDL;
- LLFloaterModelPreview::addStringToLog(out, false);
- assert(which_lod >= -1 && which_lod < LLModel::NUM_LODS);
- return;
+ const LLVolumeFace &face = base_model->getVolumeFace(face_idx);
+ size_indices += face.mNumIndices;
+ size_vertices += face.mNumVertices;
}
- if (mBaseModel.empty())
+ if (size_indices < 3)
{
- return;
+ return -1;
}
- LLVertexBuffer::unbind();
+ // Allocate buffers, note that we are using U32 buffer instead of U16
+ U32* combined_indices = (U32*)ll_aligned_malloc_32(size_indices * sizeof(U32));
+ U32* output_indices = (U32*)ll_aligned_malloc_32(size_indices * sizeof(U32));
- bool no_ff = LLGLSLShader::sNoFixedFunction;
- LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
- LLGLSLShader::sNoFixedFunction = false;
+ // extra space for normals and text coords
+ S32 tc_bytes_size = ((size_vertices * sizeof(LLVector2)) + 0xF) & ~0xF;
+ LLVector4a* combined_positions = (LLVector4a*)ll_aligned_malloc<64>(sizeof(LLVector4a) * 2 * size_vertices + tc_bytes_size);
+ LLVector4a* combined_normals = combined_positions + size_vertices;
+ LLVector2* combined_tex_coords = (LLVector2*)(combined_normals + size_vertices);
- if (shader)
+ // copy indices and vertices into new buffers
+ S32 combined_positions_shift = 0;
+ S32 indices_idx_shift = 0;
+ S32 combined_indices_shift = 0;
+ for (U32 face_idx = 0; face_idx < base_model->getNumVolumeFaces(); ++face_idx)
{
- shader->unbind();
- }
+ const LLVolumeFace &face = base_model->getVolumeFace(face_idx);
- stop_gloderror();
- static U32 cur_name = 1;
+ // vertices
+ S32 copy_bytes = face.mNumVertices * sizeof(LLVector4a);
+ LLVector4a::memcpyNonAliased16((F32*)(combined_positions + combined_positions_shift), (F32*)face.mPositions, copy_bytes);
- S32 limit = -1;
+ // normals
+ LLVector4a::memcpyNonAliased16((F32*)(combined_normals + combined_positions_shift), (F32*)face.mNormals, copy_bytes);
- U32 triangle_count = 0;
+ // tex coords
+ copy_bytes = face.mNumVertices * sizeof(LLVector2);
+ memcpy((void*)(combined_tex_coords + combined_positions_shift), (void*)face.mTexCoords, copy_bytes);
- U32 instanced_triangle_count = 0;
+ combined_positions_shift += face.mNumVertices;
- //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)
+ // indices, sadly can't do dumb memcpy for indices, need to adjust each value
+ for (S32 i = 0; i < face.mNumIndices; ++i)
{
- LLModel* mdl = instance->mModel;
- if (mdl)
- {
- instanced_triangle_count += mdl->getNumTriangles();
- }
+ U16 idx = face.mIndices[i];
+
+ combined_indices[combined_indices_shift] = idx + indices_idx_shift;
+ combined_indices_shift++;
}
+ indices_idx_shift += face.mNumVertices;
}
- //get the triangle count for the non-instanced set of models
- for (U32 i = 0; i < mBaseModel.size(); ++i)
+ // Now that we have buffers, optimize
+ S32 target_indices = 0;
+ F32 result_error = 0; // how far from original the model is, 1 == 100%
+ S32 new_indices = 0;
+
+ if (indices_decimator > 0)
{
- triangle_count += mBaseModel[i]->getNumTriangles();
+ target_indices = llclamp(llfloor(size_indices / indices_decimator), 3, (S32)size_indices); // leave at least one triangle
}
+ else // indices_decimator can be zero for error_threshold based calculations
+ {
+ target_indices = 3;
+ }
+ new_indices = LLMeshOptimizer::simplifyU32(
+ output_indices,
+ combined_indices,
+ size_indices,
+ combined_positions,
+ size_vertices,
+ LLVertexBuffer::sTypeSize[LLVertexBuffer::TYPE_VERTEX],
+ target_indices,
+ error_threshold,
+ sloppy,
+ &result_error);
- //get ratio of uninstanced triangles to instanced triangles
- F32 triangle_ratio = (F32)triangle_count / (F32)instanced_triangle_count;
- U32 base_triangle_count = triangle_count;
+ if (result_error < 0)
+ {
+ LL_WARNS() << "Negative result error from meshoptimizer for model " << target_model->mLabel
+ << " target Indices: " << target_indices
+ << " new Indices: " << new_indices
+ << " original count: " << size_indices << LL_ENDL;
+ }
- U32 type_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;
+ if (new_indices < 3)
+ {
+ // Model should have at least one visible triangle
+ ll_aligned_free<64>(combined_positions);
+ ll_aligned_free_32(output_indices);
+ ll_aligned_free_32(combined_indices);
- U32 lod_mode = 0;
+ return -1;
+ }
- F32 lod_error_threshold = 0;
+ // repack back into individual faces
- // The LoD should be in range from Lowest to High
- if (which_lod > -1 && which_lod < NUM_LOD)
+ LLVector4a* buffer_positions = (LLVector4a*)ll_aligned_malloc<64>(sizeof(LLVector4a) * 2 * size_vertices + tc_bytes_size);
+ LLVector4a* buffer_normals = buffer_positions + size_vertices;
+ LLVector2* buffer_tex_coords = (LLVector2*)(buffer_normals + size_vertices);
+ S32 buffer_idx_size = (size_indices * sizeof(U16) + 0xF) & ~0xF;
+ U16* buffer_indices = (U16*)ll_aligned_malloc_16(buffer_idx_size);
+ S32* old_to_new_positions_map = new S32[size_vertices];
+
+ S32 buf_positions_copied = 0;
+ S32 buf_indices_copied = 0;
+ indices_idx_shift = 0;
+ S32 valid_faces = 0;
+
+ // Crude method to copy indices back into face
+ for (U32 face_idx = 0; face_idx < base_model->getNumVolumeFaces(); ++face_idx)
{
- LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode_" + lod_name[which_lod]);
- if (iface)
+ const LLVolumeFace &face = base_model->getVolumeFace(face_idx);
+
+ // reset data for new run
+ buf_positions_copied = 0;
+ buf_indices_copied = 0;
+ bool copy_triangle = false;
+ S32 range = indices_idx_shift + face.mNumVertices;
+
+ for (S32 i = 0; i < size_vertices; i++)
{
- lod_mode = iface->getFirstSelectedIndex();
+ old_to_new_positions_map[i] = -1;
}
- lod_error_threshold = mFMP->childGetValue("lod_error_threshold_" + lod_name[which_lod]).asReal();
+ // Copy relevant indices and vertices
+ for (S32 i = 0; i < new_indices; ++i)
+ {
+ U32 idx = output_indices[i];
+
+ if ((i % 3) == 0)
+ {
+ copy_triangle = idx >= indices_idx_shift && idx < range;
+ }
+
+ if (copy_triangle)
+ {
+ if (old_to_new_positions_map[idx] == -1)
+ {
+ // New position, need to copy it
+ // Validate size
+ if (buf_positions_copied >= U16_MAX)
+ {
+ // Normally this shouldn't happen since the whole point is to reduce amount of vertices
+ // but it might happen if user tries to run optimization with too large triangle or error value
+ // so fallback to 'per face' mode or verify requested limits and copy base model as is.
+ LL_WARNS() << "Over triangle limit. Failed to optimize in 'per object' mode, falling back to per face variant for"
+ << " model " << target_model->mLabel
+ << " target Indices: " << target_indices
+ << " new Indices: " << new_indices
+ << " original count: " << size_indices
+ << " error treshold: " << error_threshold
+ << LL_ENDL;
+
+ // U16 vertices overflow shouldn't happen, but just in case
+ new_indices = 0;
+ valid_faces = 0;
+ for (U32 face_idx = 0; face_idx < base_model->getNumVolumeFaces(); ++face_idx)
+ {
+ genMeshOptimizerPerFace(base_model, target_model, face_idx, indices_decimator, error_threshold, false);
+ const LLVolumeFace &face = target_model->getVolumeFace(face_idx);
+ new_indices += face.mNumIndices;
+ if (face.mNumIndices >= 3)
+ {
+ valid_faces++;
+ }
+ }
+ if (valid_faces)
+ {
+ return (F32)size_indices / (F32)new_indices;
+ }
+ else
+ {
+ return -1;
+ }
+ }
+
+ // Copy vertice, normals, tcs
+ buffer_positions[buf_positions_copied] = combined_positions[idx];
+ buffer_normals[buf_positions_copied] = combined_normals[idx];
+ buffer_tex_coords[buf_positions_copied] = combined_tex_coords[idx];
+
+ old_to_new_positions_map[idx] = buf_positions_copied;
+
+ buffer_indices[buf_indices_copied] = (U16)buf_positions_copied;
+ buf_positions_copied++;
+ }
+ else
+ {
+ // existing position
+ buffer_indices[buf_indices_copied] = (U16)old_to_new_positions_map[idx];
+ }
+ buf_indices_copied++;
+ }
+ }
+
+ if (buf_positions_copied >= U16_MAX)
+ {
+ break;
+ }
+
+ LLVolumeFace &new_face = target_model->getVolumeFace(face_idx);
+ //new_face = face; //temp
+
+ if (buf_indices_copied < 3)
+ {
+ // face was optimized away
+ new_face.resizeIndices(3);
+ new_face.resizeVertices(1);
+ memset(new_face.mIndices, 0, sizeof(U16) * 3);
+ new_face.mPositions[0].clear(); // set first vertice to 0
+ new_face.mNormals[0].clear();
+ new_face.mTexCoords[0].setZero();
+ }
+ else
+ {
+ new_face.resizeIndices(buf_indices_copied);
+ new_face.resizeVertices(buf_positions_copied);
+
+ S32 idx_size = (buf_indices_copied * sizeof(U16) + 0xF) & ~0xF;
+ LLVector4a::memcpyNonAliased16((F32*)new_face.mIndices, (F32*)buffer_indices, idx_size);
+
+ LLVector4a::memcpyNonAliased16((F32*)new_face.mPositions, (F32*)buffer_positions, buf_positions_copied * sizeof(LLVector4a));
+ LLVector4a::memcpyNonAliased16((F32*)new_face.mNormals, (F32*)buffer_normals, buf_positions_copied * sizeof(LLVector4a));
+
+ U32 tex_size = (buf_positions_copied * sizeof(LLVector2) + 0xF)&~0xF;
+ LLVector4a::memcpyNonAliased16((F32*)new_face.mTexCoords, (F32*)buffer_tex_coords, tex_size);
+
+ valid_faces++;
+ }
+
+ indices_idx_shift += face.mNumVertices;
}
- if (which_lod != -1)
+ delete[]old_to_new_positions_map;
+ ll_aligned_free<64>(combined_positions);
+ ll_aligned_free<64>(buffer_positions);
+ ll_aligned_free_32(output_indices);
+ ll_aligned_free_16(buffer_indices);
+ ll_aligned_free_32(combined_indices);
+
+ if (new_indices < 3 || valid_faces == 0)
{
- mRequestedLoDMode[which_lod] = lod_mode;
+ // Model should have at least one visible triangle
+ return -1;
}
- if (lod_mode == 0)
+ return (F32)size_indices / (F32)new_indices;
+}
+
+F32 LLModelPreview::genMeshOptimizerPerFace(LLModel *base_model, LLModel *target_model, U32 face_idx, F32 indices_decimator, F32 error_threshold, bool sloppy)
+{
+ const LLVolumeFace &face = base_model->getVolumeFace(face_idx);
+ S32 size_indices = face.mNumIndices;
+ if (size_indices < 3)
{
- lod_mode = GLOD_TRIANGLE_BUDGET;
+ return -1;
+ }
+ // todo: do not allocate per each face, add one large buffer somewhere
+ // faces have limited amount of indices
+ S32 size = (size_indices * sizeof(U16) + 0xF) & ~0xF;
+ U16* output = (U16*)ll_aligned_malloc_16(size);
- // The LoD should be in range from Lowest to High
- if (which_lod > -1 && which_lod < NUM_LOD)
+ S32 target_indices = 0;
+ F32 result_error = 0; // how far from original the model is, 1 == 100%
+ S32 new_indices = 0;
+
+ if (indices_decimator > 0)
+ {
+ target_indices = llclamp(llfloor(size_indices / indices_decimator), 3, (S32)size_indices); // leave at least one triangle
+ }
+ else
+ {
+ target_indices = 3;
+ }
+ new_indices = LLMeshOptimizer::simplify(
+ output,
+ face.mIndices,
+ size_indices,
+ face.mPositions,
+ face.mNumVertices,
+ LLVertexBuffer::sTypeSize[LLVertexBuffer::TYPE_VERTEX],
+ target_indices,
+ error_threshold,
+ sloppy,
+ &result_error);
+
+
+ if (result_error < 0)
+ {
+ LL_WARNS() << "Negative result error from meshoptimizer for face " << face_idx
+ << " of model " << target_model->mLabel
+ << " target Indices: " << target_indices
+ << " new Indices: " << new_indices
+ << " original count: " << size_indices
+ << " error treshold: " << error_threshold
+ << LL_ENDL;
+ }
+
+ LLVolumeFace &new_face = target_model->getVolumeFace(face_idx);
+
+ // Copy old values
+ new_face = face;
+
+
+ if (new_indices < 3)
+ {
+ if (!sloppy)
{
- limit = mFMP->childGetValue("lod_triangle_limit_" + lod_name[which_lod]).asInteger();
- //convert from "scene wide" to "non-instanced" triangle limit
- limit = (S32)((F32)limit*triangle_ratio);
+ // meshopt_optimizeSloppy() can optimize triangles away even if target_indices is > 2,
+ // but optimize() isn't supposed to
+ LL_INFOS() << "No indices generated by meshoptimizer for face " << face_idx
+ << " of model " << target_model->mLabel
+ << " target Indices: " << target_indices
+ << " original count: " << size_indices
+ << " error treshold: " << error_threshold
+ << LL_ENDL;
}
+
+ // Face got optimized away
+ // Generate empty triangle
+ new_face.resizeIndices(3);
+ new_face.resizeVertices(1);
+ memset(new_face.mIndices, 0, sizeof(U16) * 3);
+ new_face.mPositions[0].clear(); // set first vertice to 0
+ new_face.mNormals[0].clear();
+ new_face.mTexCoords[0].setZero();
}
else
{
- lod_mode = GLOD_ERROR_THRESHOLD;
- }
+ // Assign new values
+ new_face.resizeIndices(new_indices); // will wipe out mIndices, so new_face can't substitute output
+ S32 idx_size = (new_indices * sizeof(U16) + 0xF) & ~0xF;
+ LLVector4a::memcpyNonAliased16((F32*)new_face.mIndices, (F32*)output, idx_size);
- bool object_dirty = false;
+ // clear unused values
+ new_face.optimize();
+ }
- if (mGroup == 0)
+ ll_aligned_free_16(output);
+
+ if (new_indices < 3)
{
- object_dirty = true;
- mGroup = cur_name++;
- glodNewGroup(mGroup);
+ // At least one triangle is needed
+ return -1;
}
- if (object_dirty)
+ return (F32)size_indices / (F32)new_indices;
+}
+
+void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 decimation, bool enforce_tri_limit)
+{
+ LL_INFOS() << "Generating lod " << which_lod << " using meshoptimizer" << LL_ENDL;
+ // Allow LoD from -1 to LLModel::LOD_PHYSICS
+ if (which_lod < -1 || which_lod > LLModel::NUM_LODS - 1)
{
- for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)
- { //build GLOD objects for each model in base model list
- LLModel* mdl = *iter;
+ std::ostringstream out;
+ out << "Invalid level of detail: " << which_lod;
+ LL_WARNS() << out.str() << LL_ENDL;
+ LLFloaterModelPreview::addStringToLog(out, false);
+ assert(lod >= -1 && lod < LLModel::NUM_LODS);
+ return;
+ }
- if (mObject[mdl] != 0)
- {
- glodDeleteObject(mObject[mdl]);
- }
+ if (mBaseModel.empty())
+ {
+ return;
+ }
- mObject[mdl] = cur_name++;
+ //get the triangle count for all base models
+ S32 base_triangle_count = 0;
+ for (S32 i = 0; i < mBaseModel.size(); ++i)
+ {
+ base_triangle_count += mBaseModel[i]->getNumTriangles();
+ }
- glodNewObject(mObject[mdl], mGroup, GLOD_DISCRETE);
- stop_gloderror();
+ // 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!
+ U32 lod_mode = LIMIT_TRIANGLES;
+ F32 indices_decimator = 0;
+ F32 triangle_limit = 0;
+ F32 lod_error_threshold = 1; //100%
- if (iter == mBaseModel.begin() && !mdl->mSkinWeights.empty())
- { //regenerate vertex buffer for skinned models to prevent animation feedback during LOD generation
- mVertexBuffer[5].clear();
- }
+ // If requesting a single lod
+ if (which_lod > -1 && which_lod < NUM_LOD)
+ {
+ LLCtrlSelectionInterface* iface = mFMP->childGetSelectionInterface("lod_mode_" + lod_name[which_lod]);
+ if (iface)
+ {
+ lod_mode = iface->getFirstSelectedIndex();
+ }
- if (mVertexBuffer[5].empty())
+ if (lod_mode == LIMIT_TRIANGLES)
+ {
+ if (!enforce_tri_limit)
{
- genBuffers(5, false);
- }
+ triangle_limit = base_triangle_count;
+ // reset to default value for this lod
+ F32 pw = pow((F32)decimation, (F32)(LLModel::LOD_HIGH - which_lod));
- U32 tri_count = 0;
- for (U32 i = 0; i < mVertexBuffer[5][mdl].size(); ++i)
+ triangle_limit /= pw; //indices_ratio can be 1/pw
+ }
+ else
{
- LLVertexBuffer* buff = mVertexBuffer[5][mdl][i];
- buff->setBuffer(type_mask & buff->getTypeMask());
- U32 num_indices = mVertexBuffer[5][mdl][i]->getNumIndices();
- if (num_indices > 2)
- {
- glodInsertElements(mObject[mdl], i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT, (U8*)mVertexBuffer[5][mdl][i]->getIndicesPointer(), 0, 0.f);
- }
- tri_count += num_indices / 3;
- stop_gloderror();
- }
+ // UI spacifies limit for all models of single lod
+ triangle_limit = mFMP->childGetValue("lod_triangle_limit_" + lod_name[which_lod]).asInteger();
- glodBuildObject(mObject[mdl]);
- stop_gloderror();
+ }
+ // meshoptimizer doesn't use triangle limit, it uses indices limit, so convert it to aproximate ratio
+ // triangle_limit can be 0.
+ indices_decimator = (F32)base_triangle_count / llmax(triangle_limit, 1.f);
}
+ else
+ {
+ // UI shows 0 to 100%, but meshoptimizer works with 0 to 1
+ lod_error_threshold = mFMP->childGetValue("lod_error_threshold_" + lod_name[which_lod]).asReal() / 100.f;
+ }
+ }
+ else
+ {
+ // we are genrating all lods and each lod will get own indices_decimator
+ indices_decimator = 1;
+ triangle_limit = base_triangle_count;
}
+ mMaxTriangleLimit = base_triangle_count;
+
+ // Build models
S32 start = LLModel::LOD_HIGH;
S32 end = 0;
if (which_lod != -1)
{
- start = end = which_lod;
+ start = which_lod;
+ end = which_lod;
}
- mMaxTriangleLimit = base_triangle_count;
-
for (S32 lod = start; lod >= end; --lod)
{
if (which_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>which_lod; --j)
- {
- triangle_count /= decimation;
- }
+ indices_decimator *= decimation;
+ triangle_limit /= decimation;
}
}
+ mRequestedTriangleCount[lod] = triangle_limit;
+ mRequestedErrorThreshold[lod] = lod_error_threshold * 100;
+ mRequestedLoDMode[lod] = lod_mode;
+
mModel[lod].clear();
mModel[lod].resize(mBaseModel.size());
mVertexBuffer[lod].clear();
- U32 actual_tris = 0;
- U32 actual_verts = 0;
- U32 submeshes = 0;
-
- mRequestedTriangleCount[lod] = (S32)((F32)triangle_count / triangle_ratio);
- mRequestedErrorThreshold[lod] = lod_error_threshold;
-
- glodGroupParameteri(mGroup, GLOD_ADAPT_MODE, lod_mode);
- stop_gloderror();
-
- glodGroupParameteri(mGroup, GLOD_ERROR_MODE, GLOD_OBJECT_SPACE_ERROR);
- stop_gloderror();
-
- glodGroupParameterf(mGroup, GLOD_OBJECT_SPACE_ERROR_THRESHOLD, lod_error_threshold);
- stop_gloderror();
-
- if (lod_mode != GLOD_TRIANGLE_BUDGET)
- {
- glodGroupParameteri(mGroup, GLOD_MAX_TRIANGLES, 0);
- }
- else
- {
- //SH-632: always add 1 to desired amount to avoid decimating below desired amount
- glodGroupParameteri(mGroup, GLOD_MAX_TRIANGLES, triangle_count + 1);
- }
-
- stop_gloderror();
- glodAdaptGroup(mGroup);
- stop_gloderror();
for (U32 mdl_idx = 0; mdl_idx < mBaseModel.size(); ++mdl_idx)
{
LLModel* base = mBaseModel[mdl_idx];
- GLint patch_count = 0;
- glodGetObjectParameteriv(mObject[base], GLOD_NUM_PATCHES, &patch_count);
- stop_gloderror();
-
LLVolumeParams volume_params;
volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
mModel[lod][mdl_idx] = new LLModel(volume_params, 0.f);
@@ -1517,74 +1703,159 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
mModel[lod][mdl_idx]->mLabel = name;
mModel[lod][mdl_idx]->mSubmodelID = base->mSubmodelID;
-
- GLint* sizes = new GLint[patch_count * 2];
- glodGetObjectParameteriv(mObject[base], GLOD_PATCH_SIZES, sizes);
- stop_gloderror();
-
- GLint* names = new GLint[patch_count];
- glodGetObjectParameteriv(mObject[base], GLOD_PATCH_NAMES, names);
- stop_gloderror();
-
- mModel[lod][mdl_idx]->setNumVolumeFaces(patch_count);
+ mModel[lod][mdl_idx]->setNumVolumeFaces(base->getNumVolumeFaces());
LLModel* target_model = mModel[lod][mdl_idx];
- for (GLint i = 0; i < patch_count; ++i)
+ S32 model_meshopt_mode = meshopt_mode;
+
+ // Ideally this should run not per model,
+ // but combine all submodels with origin model as well
+ if (model_meshopt_mode == MESH_OPTIMIZER_COMBINE)
{
- type_mask = mVertexBuffer[5][base][i]->getTypeMask();
+ // Run meshoptimizer for each model/object, up to 8 faces in one model.
- LLPointer<LLVertexBuffer> buff = new LLVertexBuffer(type_mask, 0);
+ // Ideally this should run not per model,
+ // but combine all submodels with origin model as well
+ F32 res = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, false);
+ if (res < 0)
+ {
+ target_model->copyVolumeFaces(base);
+ }
+ }
- if (sizes[i * 2 + 1] > 0 && sizes[i * 2] > 0)
+ if (model_meshopt_mode == MESH_OPTIMIZER_SLOPPY)
+ {
+ // Run meshoptimizer for each face
+ for (U32 face_idx = 0; face_idx < base->getNumVolumeFaces(); ++face_idx)
{
- if (!buff->allocateBuffer(sizes[i * 2 + 1], sizes[i * 2], true))
+ if (genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, true) < 0)
{
- // Todo: find a way to stop preview in this case instead of crashing
- LL_ERRS() << "Failed buffer allocation during preview LOD generation."
- << " Vertices: " << sizes[i * 2 + 1]
- << " Indices: " << sizes[i * 2] << LL_ENDL;
+ // Sloppy failed and returned an invalid model
+ genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, false);
}
- buff->setBuffer(type_mask);
- glodFillElements(mObject[base], names[i], GL_UNSIGNED_SHORT, (U8*)buff->getIndicesPointer());
- stop_gloderror();
}
- else
+ }
+
+ if (model_meshopt_mode == MESH_OPTIMIZER_AUTO)
+ {
+ // Switches between 'combine' method and 'sloppy' based on combine's result.
+ F32 allowed_ratio_drift = 2.f;
+ F32 precise_ratio = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, false);
+
+ if (precise_ratio < 0 || (precise_ratio * allowed_ratio_drift < indices_decimator))
{
- // This face was eliminated or we failed to allocate buffer,
- // attempt to create a dummy triangle (one vertex, 3 indices, all 0)
- buff->allocateBuffer(1, 3, true);
- memset((U8*)buff->getMappedData(), 0, buff->getSize());
- memset((U8*)buff->getIndicesPointer(), 0, buff->getIndicesSize());
- }
+ // Try sloppy variant if normal one failed to simplify model enough.
+ // Sloppy variant can fail entirely and has issues with precision,
+ // so code needs to do multiple attempts with different decimators.
+ // Todo: this is a bit of a mess, needs to be refined and improved
+ F32 last_working_decimator = 0.f;
+ F32 last_working_ratio = F32_MAX;
- buff->validateRange(0, buff->getNumVerts() - 1, buff->getNumIndices(), 0);
+ F32 sloppy_ratio = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, true);
- LLStrider<LLVector3> pos;
- LLStrider<LLVector3> norm;
- LLStrider<LLVector2> tc;
- LLStrider<U16> index;
+ if (sloppy_ratio > 0)
+ {
+ // Would be better to do a copy of target_model here, but if
+ // we need to use sloppy decimation, model should be cheap
+ // and fast to generate and it won't affect end result
+ last_working_decimator = indices_decimator;
+ last_working_ratio = sloppy_ratio;
+ }
- buff->getVertexStrider(pos);
- if (type_mask & LLVertexBuffer::MAP_NORMAL)
- {
- buff->getNormalStrider(norm);
- }
- if (type_mask & LLVertexBuffer::MAP_TEXCOORD0)
- {
- buff->getTexCoord0Strider(tc);
- }
+ // Sloppy has a tendecy to error into lower side, so a request for 100
+ // triangles turns into ~70, so check for significant difference from target decimation
+ F32 sloppy_ratio_drift = 1.4f;
+ if (lod_mode == LIMIT_TRIANGLES
+ && (sloppy_ratio > indices_decimator * sloppy_ratio_drift || sloppy_ratio < 0))
+ {
+ // Apply a correction to compensate.
+
+ // (indices_decimator / res_ratio) by itself is likely to overshoot to a differend
+ // side due to overal lack of precision, and we don't need an ideal result, which
+ // likely does not exist, just a better one, so a partial correction is enough.
+ F32 sloppy_decimator = indices_decimator * (indices_decimator / sloppy_ratio + 1) / 2;
+ sloppy_ratio = genMeshOptimizerPerModel(base, target_model, sloppy_decimator, lod_error_threshold, true);
+ }
+
+ if (last_working_decimator > 0 && sloppy_ratio < last_working_ratio)
+ {
+ // Compensation didn't work, return back to previous decimator
+ sloppy_ratio = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, true);
+ }
+
+ if (sloppy_ratio < 0)
+ {
+ // Sloppy method didn't work, try with smaller decimation values
+ S32 size_vertices = 0;
+
+ for (U32 face_idx = 0; face_idx < base->getNumVolumeFaces(); ++face_idx)
+ {
+ const LLVolumeFace &face = base->getVolumeFace(face_idx);
+ size_vertices += face.mNumVertices;
+ }
+
+ // Complex models aren't supposed to get here, they are supposed
+ // to work on a first try of sloppy due to having more viggle room.
+ // If they didn't, something is likely wrong, no point locking the
+ // thread in a long calculation that will fail.
+ const U32 too_many_vertices = 27000;
+ if (size_vertices > too_many_vertices)
+ {
+ LL_WARNS() << "Sloppy optimization method failed for a complex model " << target_model->getName() << LL_ENDL;
+ }
+ else
+ {
+ // Find a decimator that does work
+ F32 sloppy_decimation_step = sqrt((F32)decimation); // example: 27->15->9->5->3
+ F32 sloppy_decimator = indices_decimator / sloppy_decimation_step;
- buff->getIndexStrider(index);
+ while (sloppy_ratio < 0
+ && sloppy_decimator > precise_ratio
+ && sloppy_decimator > 1)// precise_ratio isn't supposed to be below 1, but check just in case
+ {
+ sloppy_ratio = genMeshOptimizerPerModel(base, target_model, sloppy_decimator, lod_error_threshold, true);
+ sloppy_decimator = sloppy_decimator / sloppy_decimation_step;
+ }
+ }
+ }
- target_model->setVolumeFaceData(names[i], pos, norm, tc, index, buff->getNumVerts(), buff->getNumIndices());
- actual_tris += buff->getNumIndices() / 3;
- actual_verts += buff->getNumVerts();
- ++submeshes;
+ if (sloppy_ratio < 0 || sloppy_ratio < precise_ratio)
+ {
+ // Sloppy variant failed to generate triangles or is worse.
+ // Can happen with models that are too simple as is.
- if (!validate_face(target_model->getVolumeFace(names[i])))
+ if (precise_ratio < 0)
+ {
+ // Precise method failed as well, just copy face over
+ target_model->copyVolumeFaces(base);
+ precise_ratio = 1.f;
+ }
+ else
+ {
+ // Fallback to normal method
+ precise_ratio = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, false);
+ }
+
+ LL_INFOS() << "Model " << target_model->getName()
+ << " lod " << which_lod
+ << " resulting ratio " << precise_ratio
+ << " simplified using per model method." << LL_ENDL;
+ }
+ else
+ {
+ LL_INFOS() << "Model " << target_model->getName()
+ << " lod " << which_lod
+ << " resulting ratio " << sloppy_ratio
+ << " sloppily simplified using per model method." << LL_ENDL;
+ }
+ }
+ else
{
- LL_ERRS() << "Invalid face generated during LOD generation." << LL_ENDL;
+ LL_INFOS() << "Model " << target_model->getName()
+ << " lod " << which_lod
+ << " resulting ratio " << precise_ratio
+ << " simplified using per model method." << LL_ENDL;
}
}
@@ -1594,6 +1865,7 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, 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;
@@ -1601,9 +1873,6 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
{
LL_ERRS() << "Invalid model generated when creating LODs" << LL_ENDL;
}
-
- delete[] sizes;
- delete[] names;
}
//rebuild scene based on mBaseScene
@@ -1629,13 +1898,6 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
}
}
}
-
- LLVertexBuffer::unbind();
- LLGLSLShader::sNoFixedFunction = no_ff;
- if (shader)
- {
- shader->bind();
- }
}
void LLModelPreview::updateStatusMessages()
@@ -2198,7 +2460,7 @@ void LLModelPreview::updateLodControls(S32 lod)
S32 lod_mode = lod_combo->getCurrentIndex();
if (lod_mode == LOD_FROM_FILE) // LoD from file
{
- fmp->mLODMode[lod] = 0;
+ fmp->mLODMode[lod] = LOD_FROM_FILE;
for (U32 i = 0; i < num_file_controls; ++i)
{
mFMP->childSetVisible(file_controls[i] + lod_name[lod], true);
@@ -2211,7 +2473,7 @@ void LLModelPreview::updateLodControls(S32 lod)
}
else if (lod_mode == USE_LOD_ABOVE) // use LoD above
{
- fmp->mLODMode[lod] = 2;
+ fmp->mLODMode[lod] = USE_LOD_ABOVE;
for (U32 i = 0; i < num_file_controls; ++i)
{
mFMP->childSetVisible(file_controls[i] + lod_name[lod], false);
@@ -2237,7 +2499,7 @@ void LLModelPreview::updateLodControls(S32 lod)
}
else // auto generate, the default case for all LoDs except High
{
- fmp->mLODMode[lod] = 1;
+ fmp->mLODMode[lod] = MESH_OPTIMIZER_AUTO;
//don't actually regenerate lod when refreshing UI
mLODFrozen = true;
@@ -2269,7 +2531,7 @@ void LLModelPreview::updateLodControls(S32 lod)
threshold->setVisible(false);
limit->setMaxValue(mMaxTriangleLimit);
- limit->setIncrement(mMaxTriangleLimit / 32);
+ limit->setIncrement(llmax((U32)1, mMaxTriangleLimit / 32));
}
else
{
@@ -2433,6 +2695,8 @@ void LLModelPreview::genBuffers(S32 lod, bool include_skin_weights)
*(index_strider++) = vf.mIndices[i];
}
+ vb->flush();
+
mVertexBuffer[lod][mdl].push_back(vb);
vertex_count += num_vertices;
@@ -2659,8 +2923,6 @@ BOOL LLModelPreview::render()
LLMutexLock lock(this);
mNeedsUpdate = FALSE;
- bool use_shaders = LLGLSLShader::sNoFixedFunction;
-
bool edges = mViewOption["show_edges"];
bool joint_overrides = mViewOption["show_joint_overrides"];
bool joint_positions = mViewOption["show_joint_positions"];
@@ -2678,10 +2940,8 @@ BOOL LLModelPreview::render()
LLGLDisable fog(GL_FOG);
{
- if (use_shaders)
- {
- gUIProgram.bind();
- }
+ gUIProgram.bind();
+
//clear background to grey
gGL.matrixMode(LLRender::MM_PROJECTION);
gGL.pushMatrix();
@@ -2700,10 +2960,7 @@ BOOL LLModelPreview::render()
gGL.matrixMode(LLRender::MM_MODELVIEW);
gGL.popMatrix();
- if (use_shaders)
- {
- gUIProgram.unbind();
- }
+ gUIProgram.unbind();
}
LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;
@@ -2854,10 +3111,7 @@ BOOL LLModelPreview::render()
refresh();
}
- if (use_shaders)
- {
- gObjectPreviewProgram.bind();
- }
+ gObjectPreviewProgram.bind();
gGL.loadIdentity();
gPipeline.enableLightsPreview();
@@ -2890,7 +3144,6 @@ BOOL LLModelPreview::render()
{
genBuffers(-1, skin_weight);
//genBuffers(3);
- //genLODs();
}
if (!mModel[mPreviewLOD].empty())
@@ -2918,6 +3171,11 @@ BOOL LLModelPreview::render()
genBuffers(mPreviewLOD, skin_weight);
}
+ if (physics && mVertexBuffer[LLModel::LOD_PHYSICS].empty())
+ {
+ genBuffers(LLModel::LOD_PHYSICS, false);
+ }
+
if (!skin_weight)
{
for (LLMeshUploadThread::instance_list::iterator iter = mUploadData.begin(); iter != mUploadData.end(); ++iter)
@@ -2979,6 +3237,7 @@ BOOL LLModelPreview::render()
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glLineWidth(1.f);
}
+ buffer->flush();
}
gGL.popMatrix();
}
@@ -3039,6 +3298,14 @@ BOOL LLModelPreview::render()
if (!physics.mMesh.empty())
{ //render hull instead of mesh
+ // SL-16993 physics.mMesh[i].mNormals were being used to light the exploded
+ // analyzed physics shape but the drawArrays() interface changed
+ // causing normal data <0,0,0> to be passed to the shader.
+ // The Phyics Preview shader uses plain vertex coloring so the physics hull is full lit.
+ // We could also use interface/ui shaders.
+ gObjectPreviewProgram.unbind();
+ gPhysicsPreviewProgram.bind();
+
for (U32 i = 0; i < physics.mMesh.size(); ++i)
{
if (explode > 0.f)
@@ -3059,24 +3326,22 @@ BOOL LLModelPreview::render()
}
gGL.diffuseColor4ubv(hull_colors[i].mV);
- LLVertexBuffer::drawArrays(LLRender::TRIANGLES, physics.mMesh[i].mPositions, physics.mMesh[i].mNormals);
+ LLVertexBuffer::drawArrays(LLRender::TRIANGLES, physics.mMesh[i].mPositions);
if (explode > 0.f)
{
gGL.popMatrix();
}
}
+
+ gPhysicsPreviewProgram.unbind();
+ gObjectPreviewProgram.bind();
}
}
}
if (render_mesh)
{
- if (mVertexBuffer[LLModel::LOD_PHYSICS].empty())
- {
- genBuffers(LLModel::LOD_PHYSICS, false);
- }
-
U32 num_models = mVertexBuffer[LLModel::LOD_PHYSICS][model].size();
if (pass > 0){
for (U32 i = 0; i < num_models; ++i)
@@ -3096,6 +3361,8 @@ BOOL LLModelPreview::render()
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glLineWidth(1.f);
+
+ buffer->flush();
}
}
}
@@ -3140,11 +3407,6 @@ BOOL LLModelPreview::render()
if (physics.mHull.empty())
{
- if (mVertexBuffer[LLModel::LOD_PHYSICS].empty())
- {
- genBuffers(LLModel::LOD_PHYSICS, false);
- }
-
U32 num_models = mVertexBuffer[LLModel::LOD_PHYSICS][model].size();
for (U32 v = 0; v < num_models; ++v)
{
@@ -3171,6 +3433,8 @@ BOOL LLModelPreview::render()
buffer->draw(LLRender::POINTS, 3, i);
}
}
+
+ buffer->flush();
}
}
}
@@ -3231,7 +3495,7 @@ BOOL LLModelPreview::render()
LLJoint *joint = getPreviewAvatar()->getJoint(skin->mJointNums[j]);
if (joint)
{
- const LLVector3& jointPos = skin->mAlternateBindMatrix[j].getTranslation();
+ const LLVector3& jointPos = LLVector3(skin->mAlternateBindMatrix[j].getTranslation());
if (joint->aboveJointPosThreshold(jointPos))
{
bool override_changed;
@@ -3273,11 +3537,10 @@ BOOL LLModelPreview::render()
//build matrix palette
LLMatrix4a mat[LL_MAX_JOINTS_PER_MESH_OBJECT];
- LLSkinningUtil::initSkinningMatrixPalette((LLMatrix4*)mat, joint_count,
+ LLSkinningUtil::initSkinningMatrixPalette(mat, joint_count,
skin, getPreviewAvatar());
- LLMatrix4a bind_shape_matrix;
- bind_shape_matrix.loadu(skin->mBindShapeMatrix);
+ const LLMatrix4a& bind_shape_matrix = skin->mBindShapeMatrix;
U32 max_joints = LLSkinningUtil::getMaxJointCount();
for (U32 j = 0; j < buffer->getNumVerts(); ++j)
{
@@ -3360,10 +3623,7 @@ BOOL LLModelPreview::render()
}
}
- if (use_shaders)
- {
- gObjectPreviewProgram.unbind();
- }
+ gObjectPreviewProgram.unbind();
gGL.popMatrix();
@@ -3477,7 +3737,7 @@ bool LLModelPreview::lodQueryCallback()
{
S32 lod = preview->mLodsQuery.back();
preview->mLodsQuery.pop_back();
- preview->genLODs(lod);
+ preview->genMeshOptimizerLODs(lod, MESH_OPTIMIZER_AUTO);
if (preview->mLookUpLodFiles && (lod == LLModel::LOD_HIGH))
{
@@ -3492,12 +3752,13 @@ bool LLModelPreview::lodQueryCallback()
return true;
}
-void LLModelPreview::onLODParamCommit(S32 lod, bool enforce_tri_limit)
+void LLModelPreview::onLODMeshOptimizerParamCommit(S32 requested_lod, bool enforce_tri_limit, S32 mode)
{
if (!mLODFrozen)
{
- genLODs(lod, 3, enforce_tri_limit);
+ genMeshOptimizerLODs(requested_lod, mode, 3, enforce_tri_limit);
refresh();
+ mDirty = true;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 22:32:28 +0000