mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#include "../far/stencilTables.h"
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#include "../osd/cpuComputeContext.h"
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#include "../osd/cpuComputeController.h"
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#include "../osd/cpuKernel.h"
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#include <cassert>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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CpuComputeController::CpuComputeController() {
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}
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CpuComputeController::~CpuComputeController() {
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}
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void
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CpuComputeController::Synchronize() {
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}
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void
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CpuComputeController::ApplyStencilTableKernel(
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ComputeContext const *context) const {
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assert(context);
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Far::StencilTables const * vertexStencils = context->GetVertexStencilTables();
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if (vertexStencils and _currentBindState.vertexBuffer) {
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VertexBufferDescriptor const & desc = _currentBindState.vertexDesc;
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float const * srcBuffer = _currentBindState.vertexBuffer + desc.offset;
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float * destBuffer = _currentBindState.vertexBuffer + desc.offset +
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vertexStencils->GetNumControlVertices() * desc.stride;
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int start = 0;
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int end = vertexStencils->GetNumStencils();
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if (end > start) {
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CpuComputeStencils(_currentBindState.vertexDesc,
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srcBuffer, destBuffer,
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&vertexStencils->GetSizes().at(0),
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&vertexStencils->GetOffsets().at(0),
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&vertexStencils->GetControlIndices().at(0),
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&vertexStencils->GetWeights().at(0),
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start,
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end);
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}
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}
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Far::StencilTables const * varyingStencils = context->GetVaryingStencilTables();
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if (varyingStencils and _currentBindState.varyingBuffer) {
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VertexBufferDescriptor const & desc = _currentBindState.varyingDesc;
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float const * srcBuffer = _currentBindState.varyingBuffer + desc.offset;
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float * destBuffer = _currentBindState.varyingBuffer + desc.offset +
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varyingStencils->GetNumControlVertices() * desc.stride;
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int start = 0;
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int end = varyingStencils->GetNumStencils();
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if (end > start) {
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CpuComputeStencils(_currentBindState.varyingDesc,
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srcBuffer, destBuffer,
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&varyingStencils->GetSizes().at(0),
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&varyingStencils->GetOffsets().at(0),
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&varyingStencils->GetControlIndices().at(0),
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&varyingStencils->GetWeights().at(0),
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start,
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end);
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}
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}
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}
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} // end namespace Osd
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} // end namespace OPENSUBDIV_VERSION
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} // end namespace OpenSubdiv
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