OpenSubdiv/opensubdiv/osd/cpuComputeContext.cpp
Takahito Tejima d960990063 Remove FarMesh dependency from Osd*Context. The context constructor takes
subdivision tables and vertex edit tables directly.
2014-03-28 12:10:13 -07:00

186 lines
5.1 KiB
C++

//
// Copyright 2013 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#include "../far/dispatcher.h"
#include "../far/subdivisionTables.h"
#include "../osd/cpuComputeContext.h"
#include "../osd/cpuKernel.h"
#include "../osd/vertexDescriptor.h"
#include "../osd/error.h"
#include <cstring>
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
void
OsdCpuTable::createCpuBuffer(size_t size, const void *ptr) {
_devicePtr = new unsigned char[size];
memcpy(_devicePtr, ptr, size);
}
OsdCpuTable::~OsdCpuTable() {
if (_devicePtr)
delete [] (unsigned char *)_devicePtr;
}
void *
OsdCpuTable::GetBuffer() const {
return _devicePtr;
}
// ----------------------------------------------------------------------------
OsdCpuHEditTable::OsdCpuHEditTable(
const FarVertexEditTables::VertexEditBatch &batch)
: _primvarIndicesTable(new OsdCpuTable(batch.GetVertexIndices())),
_editValuesTable(new OsdCpuTable(batch.GetValues())) {
_operation = batch.GetOperation();
_primvarOffset = batch.GetPrimvarIndex();
_primvarWidth = batch.GetPrimvarWidth();
}
OsdCpuHEditTable::~OsdCpuHEditTable() {
delete _primvarIndicesTable;
delete _editValuesTable;
}
const OsdCpuTable *
OsdCpuHEditTable::GetPrimvarIndices() const {
return _primvarIndicesTable;
}
const OsdCpuTable *
OsdCpuHEditTable::GetEditValues() const {
return _editValuesTable;
}
int
OsdCpuHEditTable::GetOperation() const {
return _operation;
}
int
OsdCpuHEditTable::GetPrimvarOffset() const {
return _primvarOffset;
}
int
OsdCpuHEditTable::GetPrimvarWidth() const {
return _primvarWidth;
}
OsdCpuComputeContext::OsdCpuComputeContext(FarSubdivisionTables const *subdivisionTables,
FarVertexEditTables const *vertexEditTables) {
// allocate 5 or 7 tables
_tables.resize(subdivisionTables->GetNumTables(), 0);
_tables[FarSubdivisionTables::E_IT] = new OsdCpuTable(subdivisionTables->Get_E_IT());
_tables[FarSubdivisionTables::V_IT] = new OsdCpuTable(subdivisionTables->Get_V_IT());
_tables[FarSubdivisionTables::V_ITa] = new OsdCpuTable(subdivisionTables->Get_V_ITa());
_tables[FarSubdivisionTables::E_W] = new OsdCpuTable(subdivisionTables->Get_E_W());
_tables[FarSubdivisionTables::V_W] = new OsdCpuTable(subdivisionTables->Get_V_W());
if (subdivisionTables->GetNumTables() > 5) {
_tables[FarSubdivisionTables::F_IT] = new OsdCpuTable(subdivisionTables->Get_F_IT());
_tables[FarSubdivisionTables::F_ITa] = new OsdCpuTable(subdivisionTables->Get_F_ITa());
}
// create hedit tables
if (vertexEditTables) {
int numEditBatches = vertexEditTables->GetNumBatches();
_editTables.reserve(numEditBatches);
for (int i = 0; i < numEditBatches; ++i) {
const FarVertexEditTables::VertexEditBatch & edit =
vertexEditTables->GetBatch(i);
_editTables.push_back(new OsdCpuHEditTable(edit));
}
}
_currentVertexBuffer = 0;
_currentVaryingBuffer = 0;
}
OsdCpuComputeContext::~OsdCpuComputeContext() {
for (size_t i = 0; i < _tables.size(); ++i) {
delete _tables[i];
}
for (size_t i = 0; i < _editTables.size(); ++i) {
delete _editTables[i];
}
}
const OsdCpuTable *
OsdCpuComputeContext::GetTable(int tableIndex) const {
return _tables[tableIndex];
}
int
OsdCpuComputeContext::GetNumEditTables() const {
return static_cast<int>(_editTables.size());
}
const OsdCpuHEditTable *
OsdCpuComputeContext::GetEditTable(int tableIndex) const {
return _editTables[tableIndex];
}
float *
OsdCpuComputeContext::GetCurrentVertexBuffer() const {
return _currentVertexBuffer;
}
float *
OsdCpuComputeContext::GetCurrentVaryingBuffer() const {
return _currentVaryingBuffer;
}
OsdCpuComputeContext *
OsdCpuComputeContext::Create(FarSubdivisionTables const *subdivisionTables,
FarVertexEditTables const *vertexEditTables) {
return new OsdCpuComputeContext(subdivisionTables, vertexEditTables);
}
} // end namespace OPENSUBDIV_VERSION
} // end namespace OpenSubdiv