mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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110 lines
4.8 KiB
C++
110 lines
4.8 KiB
C++
//
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// Copyright (C) Pixar. All rights reserved.
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//
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// This license governs use of the accompanying software. If you
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// use the software, you accept this license. If you do not accept
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// the license, do not use the software.
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//
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// 1. Definitions
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// The terms "reproduce," "reproduction," "derivative works," and
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// "distribution" have the same meaning here as under U.S.
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// copyright law. A "contribution" is the original software, or
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// any additions or changes to the software.
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// A "contributor" is any person or entity that distributes its
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// contribution under this license.
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// "Licensed patents" are a contributor's patent claims that read
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// directly on its contribution.
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//
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// 2. Grant of Rights
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// (A) Copyright Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free copyright license to reproduce its contribution,
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// prepare derivative works of its contribution, and distribute
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// its contribution or any derivative works that you create.
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// (B) Patent Grant- Subject to the terms of this license,
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// including the license conditions and limitations in section 3,
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// each contributor grants you a non-exclusive, worldwide,
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// royalty-free license under its licensed patents to make, have
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// made, use, sell, offer for sale, import, and/or otherwise
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// dispose of its contribution in the software or derivative works
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// of the contribution in the software.
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//
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// 3. Conditions and Limitations
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// (A) No Trademark License- This license does not grant you
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// rights to use any contributor's name, logo, or trademarks.
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// (B) If you bring a patent claim against any contributor over
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// patents that you claim are infringed by the software, your
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// patent license from such contributor to the software ends
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// automatically.
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// (C) If you distribute any portion of the software, you must
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// retain all copyright, patent, trademark, and attribution
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// notices that are present in the software.
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// (D) If you distribute any portion of the software in source
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// code form, you may do so only under this license by including a
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// complete copy of this license with your distribution. If you
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// distribute any portion of the software in compiled or object
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// code form, you may only do so under a license that complies
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// with this license.
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// (E) The software is licensed "as-is." You bear the risk of
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// using it. The contributors give no express warranties,
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// guarantees or conditions. You may have additional consumer
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// rights under your local laws which this license cannot change.
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// To the extent permitted under your local laws, the contributors
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// exclude the implied warranties of merchantability, fitness for
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// a particular purpose and non-infringement.
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//
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#ifndef OSD_CPU_KERNEL_H
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#define OSD_CPU_KERNEL_H
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#include "../version.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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struct VertexDescriptor {
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VertexDescriptor(int numVertexElem, int numVaryingElem)
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: numVertexElements(numVertexElem), numVaryingElements(numVaryingElem) { }
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void Clear(float *vertex, float *varying) const {
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for (int i = 0; i < numVertexElements; ++i)
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vertex[i] = 0.0f;
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for (int i = 0; i < numVaryingElements; ++i)
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varying[i] = 0.0f;
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}
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void AddWithWeight(float *vertex, const float *src, float weight) const {
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for (int i = 0; i < numVertexElements; ++i)
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vertex[i] += src[i] * weight;
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}
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void AddVaryingWithWeight(float *varying, const float *src, float weight) const {
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for (int i = 0; i < numVaryingElements; ++i)
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varying[i] += src[i] * weight;
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}
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int numVertexElements;
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int numVaryingElements;
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};
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extern "C" {
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void computeFace(const VertexDescriptor *vdesc, float * vertex, float * varying, const int *F_IT, const int *F_ITa, int offset, int start, int end);
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void computeEdge(const VertexDescriptor *vdesc, float *vertex, float * varying, const int *E_IT, const float *E_W, int offset, int start, int end);
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void computeVertexA(const VertexDescriptor *vdesc, float *vertex, float * varying, const int *V_ITa, const float *V_W, int offset, int start, int end, int pass);
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void computeVertexB(const VertexDescriptor *vdesc, float *vertex, float * varying, const int *V_ITa, const int *V_IT, const float *V_W, int offset, int start, int end);
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void computeLoopVertexB(const VertexDescriptor *vdesc, float *vertex, float * varying, const int *V_ITa, const int *V_IT, const float *V_W, int offset, int start, int end);
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}
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} // end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} // end namespace OpenSubdiv
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#endif /* OSD_CPU_KERNEL_H */
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