OpenSubdiv/opensubdiv/osd/ompComputeController.cpp

109 lines
3.7 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/stencilTables.h"
#include "../osd/ompComputeController.h"
#include "../osd/ompKernel.h"
#include <cassert>
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
namespace Osd {
OmpComputeController::OmpComputeController(int numThreads) {
_numThreads = (numThreads == -1) ? omp_get_max_threads() : numThreads;
}
void
OmpComputeController::ApplyStencilTableKernel(
ComputeContext const *context) const {
assert(context);
Far::StencilTables const * vertexStencils = context->GetVertexStencilTables();
if (vertexStencils and _currentBindState.vertexBuffer) {
int start = 0;
int end = vertexStencils->GetNumStencils();
VertexBufferDescriptor const & desc = _currentBindState.vertexDesc;
float const * srcBuffer = _currentBindState.vertexBuffer + desc.offset;
float * destBuffer = _currentBindState.vertexBuffer + desc.offset +
vertexStencils->GetNumControlVertices() * desc.stride;
if (end > start) {
OmpComputeStencils(_currentBindState.vertexDesc,
srcBuffer, destBuffer,
&vertexStencils->GetSizes().at(0),
&vertexStencils->GetOffsets().at(0),
&vertexStencils->GetControlIndices().at(0),
&vertexStencils->GetWeights().at(0),
start,
end);
}
}
Far::StencilTables const * varyingStencils = context->GetVaryingStencilTables();
if (varyingStencils and _currentBindState.varyingBuffer) {
int start = 0;
int end = varyingStencils->GetNumStencils();
VertexBufferDescriptor const & desc = _currentBindState.varyingDesc;
float const * srcBuffer = _currentBindState.varyingBuffer + desc.offset;
float * destBuffer = _currentBindState.varyingBuffer + desc.offset +
varyingStencils->GetNumControlVertices() * desc.stride;
if (end > start) {
OmpComputeStencils(_currentBindState.varyingDesc,
srcBuffer, destBuffer,
&varyingStencils->GetSizes().at(0),
&varyingStencils->GetOffsets().at(0),
&varyingStencils->GetControlIndices().at(0),
&varyingStencils->GetWeights().at(0),
start,
end);
}
}
}
void
OmpComputeController::Synchronize() {
// XXX:
}
} // end namespace Osd
} // end namespace OPENSUBDIV_VERSION
} // end namespace OpenSubdiv