mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-03 16:31:04 +00:00
103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
//
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// Copyright 2015 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/clPatchTable.h"
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#include "../far/error.h"
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#include "../far/patchTable.h"
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#include "../osd/opencl.h"
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#include "../osd/cpuPatchTable.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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CLPatchTable::CLPatchTable() :
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_patchArrays(NULL), _indexBuffer(NULL), _patchParamBuffer(NULL) {
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}
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CLPatchTable::~CLPatchTable() {
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if (_patchArrays) clReleaseMemObject(_patchArrays);
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if (_indexBuffer) clReleaseMemObject(_indexBuffer);
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if (_patchParamBuffer) clReleaseMemObject(_patchParamBuffer);
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}
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CLPatchTable *
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CLPatchTable::Create(Far::PatchTable const *farPatchTable,
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cl_context clContext) {
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CLPatchTable *instance = new CLPatchTable();
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if (instance->allocate(farPatchTable, clContext)) return instance;
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delete instance;
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return 0;
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}
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bool
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CLPatchTable::allocate(Far::PatchTable const *farPatchTable, cl_context clContext) {
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CpuPatchTable patchTable(farPatchTable);
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size_t numPatchArrays = patchTable.GetNumPatchArrays();
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size_t indexSize = patchTable.GetPatchIndexSize();
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size_t patchParamSize = patchTable.GetPatchParamSize();
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cl_int err = 0;
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_patchArrays = clCreateBuffer(clContext,
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CL_MEM_READ_WRITE|CL_MEM_COPY_HOST_PTR,
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numPatchArrays * sizeof(Osd::PatchArray),
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(void*)patchTable.GetPatchArrayBuffer(),
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&err);
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if (err != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR, "clCreateBuffer: %d", err);
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return false;
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}
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_indexBuffer = clCreateBuffer(clContext,
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CL_MEM_READ_WRITE|CL_MEM_COPY_HOST_PTR,
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indexSize * sizeof(int),
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(void*)patchTable.GetPatchIndexBuffer(),
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&err);
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if (err != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR, "clCreateBuffer: %d", err);
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return false;
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}
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_patchParamBuffer = clCreateBuffer(clContext,
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CL_MEM_READ_WRITE|CL_MEM_COPY_HOST_PTR,
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patchParamSize * sizeof(Osd::PatchParam),
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(void*)patchTable.GetPatchParamBuffer(),
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&err);
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if (err != CL_SUCCESS) {
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Far::Error(Far::FAR_RUNTIME_ERROR, "clCreateBuffer: %d", err);
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return false;
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}
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return true;
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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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