mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2025-01-02 13:20:10 +00:00
119 lines
4.0 KiB
C++
119 lines
4.0 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 "../osd/cudaComputeController.h"
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#include <cuda_runtime.h>
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#include <string.h>
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#include <cassert>
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extern "C" {
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void CudaComputeStencils(float const *src, float * dst,
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int length, int stride,
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unsigned char const * sizes,
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int const * offsets,
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int const * indices,
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float const * weights,
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int start, int end);
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}
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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void
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CudaComputeController::ApplyStencilTableKernel(
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ComputeContext const *context) const {
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assert(context);
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if (context->HasVertexStencilTables()) {
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int length = _currentBindState.vertexDesc.length,
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stride = _currentBindState.vertexDesc.stride;
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int start = 0;
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int end = context->GetNumStencilsInVertexStencilTables();
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float const * src = _currentBindState.GetVertexBufferAtOffset();
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float * dst = const_cast<float *>(src) +
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context->GetNumControlVertices() * stride;
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if (end > start) {
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CudaComputeStencils(src, dst, length, stride,
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(unsigned char const *)context->GetVertexStencilTablesSizes(),
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(int const *)context->GetVertexStencilTablesOffsets(),
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(int const *)context->GetVertexStencilTablesIndices(),
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(float const *)context->GetVertexStencilTablesWeights(),
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start,
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end);
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}
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}
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if (context->HasVaryingStencilTables()) {
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int length = _currentBindState.varyingDesc.length,
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stride = _currentBindState.varyingDesc.stride;
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int start = 0;
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int end = context->GetNumStencilsInVaryingStencilTables();
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float const * src = _currentBindState.GetVaryingBufferAtOffset();
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float * dst = const_cast<float *>(src) +
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context->GetNumControlVertices() * stride;
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if (end > start) {
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CudaComputeStencils(src, dst, length, stride,
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(unsigned char const *)context->GetVaryingStencilTablesSizes(),
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(int const *)context->GetVaryingStencilTablesOffsets(),
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(int const *)context->GetVaryingStencilTablesIndices(),
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(float const *)context->GetVaryingStencilTablesWeights(),
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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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CudaComputeController::CudaComputeController() {
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}
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CudaComputeController::~CudaComputeController() {
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}
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void
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CudaComputeController::Synchronize() {
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cudaThreadSynchronize();
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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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