mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-13 04:20:10 +00:00
417 lines
16 KiB
C++
417 lines
16 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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#ifndef FAR_DISPATCHER_H
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#define FAR_DISPATCHER_H
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#include "../version.h"
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#include "../far/subdivisionTables.h"
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#include "../far/vertexEditTables.h"
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#include "../far/kernelBatch.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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/// \brief Subdivision process encapsulation layer.
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///
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/// The Compute dispatcher allows client code to customize parts or the entire
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/// computation process. This pattern aims at hiding the logic specific to
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/// the subdivision algorithms and expose a simplified access to minimalistic
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/// compute kernels. By default, meshes revert to a default dispatcher that
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/// implements single-threaded CPU kernels.
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///
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/// - derive a dispatcher class from this one
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/// - override the virtual functions
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/// - pass the derived dispatcher to the factory (one instance can be shared by many meshes)
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/// - call the FarMesh::Subdivide() to trigger computations
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///
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/// Note : the caller is responsible for deleting a custom dispatcher
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///
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class FarDispatcher {
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public:
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/// \brief Launches the processing of a kernel batch
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/// returns true if the batch is handled, otherwise returns false (i.e. user defined kernel)
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///
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/// @param controller refinement controller implementation
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///
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/// @param context refinement context implementation
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///
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/// @param batch a batch of kernel that need to be processed
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///
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template <class CONTROLLER, class CONTEXT>
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static bool ApplyKernel(CONTROLLER const *controller, CONTEXT *context, FarKernelBatch const &batch);
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/// \brief Launches the processing of a vector of kernel batches
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/// this is a convenient API for controllers which don't have any user defined kernels.
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///
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/// @param controller refinement controller implementation
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///
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/// @param context refinement context implementation (vertex array and subdivision tables)
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/// passed to the controller.
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///
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/// @param batches batches of kernels that need to be processed
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///
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/// @param maxlevel process vertex batches up to this level
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///
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template <class CONTROLLER, class CONTEXT>
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static void Refine(CONTROLLER const *controller, CONTEXT *context, FarKernelBatchVector const & batches, int maxlevel);
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};
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template <class CONTROLLER, class CONTEXT> bool
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FarDispatcher::ApplyKernel(CONTROLLER const *controller, CONTEXT *context, FarKernelBatch const &batch) {
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switch(batch.GetKernelType()) {
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case FarKernelBatch::CATMARK_FACE_VERTEX:
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controller->ApplyCatmarkFaceVerticesKernel(batch, context);
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break;
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case FarKernelBatch::CATMARK_EDGE_VERTEX:
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controller->ApplyCatmarkEdgeVerticesKernel(batch, context);
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break;
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case FarKernelBatch::CATMARK_VERT_VERTEX_B:
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controller->ApplyCatmarkVertexVerticesKernelB(batch, context);
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break;
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case FarKernelBatch::CATMARK_VERT_VERTEX_A1:
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controller->ApplyCatmarkVertexVerticesKernelA1(batch, context);
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break;
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case FarKernelBatch::CATMARK_VERT_VERTEX_A2:
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controller->ApplyCatmarkVertexVerticesKernelA2(batch, context);
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break;
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case FarKernelBatch::LOOP_EDGE_VERTEX:
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controller->ApplyLoopEdgeVerticesKernel(batch, context);
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break;
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case FarKernelBatch::LOOP_VERT_VERTEX_B:
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controller->ApplyLoopVertexVerticesKernelB(batch, context);
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break;
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case FarKernelBatch::LOOP_VERT_VERTEX_A1:
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controller->ApplyLoopVertexVerticesKernelA1(batch, context);
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break;
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case FarKernelBatch::LOOP_VERT_VERTEX_A2:
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controller->ApplyLoopVertexVerticesKernelA2(batch, context);
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break;
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case FarKernelBatch::BILINEAR_FACE_VERTEX:
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controller->ApplyBilinearFaceVerticesKernel(batch, context);
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break;
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case FarKernelBatch::BILINEAR_EDGE_VERTEX:
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controller->ApplyBilinearEdgeVerticesKernel(batch, context);
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break;
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case FarKernelBatch::BILINEAR_VERT_VERTEX:
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controller->ApplyBilinearVertexVerticesKernel(batch, context);
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break;
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case FarKernelBatch::HIERARCHICAL_EDIT:
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controller->ApplyVertexEdits(batch, context);
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break;
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default: // user defined kernel type
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return false;
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}
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return true;
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}
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template <class CONTROLLER, class CONTEXT> void
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FarDispatcher::Refine(CONTROLLER const *controller, CONTEXT *context, FarKernelBatchVector const & batches, int maxlevel) {
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for (int i = 0; i < (int)batches.size(); ++i) {
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const FarKernelBatch &batch = batches[i];
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if (maxlevel >= 0 && batch.GetLevel() >= maxlevel) continue;
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ApplyKernel(controller, context, batch);
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}
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}
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// -----------------------------------------------------------------------------
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/// \brief Far default controller implementation
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///
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/// This is Far's default implementation of a kernal batch controller.
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///
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class FarComputeController {
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public:
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template <class CONTEXT>
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void Refine(CONTEXT * context, int maxlevel=-1) const;
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template <class CONTEXT>
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void ApplyBilinearFaceVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyBilinearEdgeVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyBilinearVertexVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyCatmarkFaceVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyCatmarkEdgeVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyCatmarkVertexVerticesKernelB(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyCatmarkVertexVerticesKernelA1(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyCatmarkVertexVerticesKernelA2(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyLoopEdgeVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyLoopVertexVerticesKernelB(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyLoopVertexVerticesKernelA1(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyLoopVertexVerticesKernelA2(FarKernelBatch const &batch, CONTEXT *context) const;
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template <class CONTEXT>
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void ApplyVertexEdits(FarKernelBatch const &batch, CONTEXT *context) const;
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private:
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};
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template <class CONTEXT> void
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FarComputeController::Refine(CONTEXT *context, int maxlevel) const {
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FarDispatcher::Refine(this, context, context->GetKernelBatches(), maxlevel);
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}
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template <class CONTEXT> void
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FarComputeController::ApplyBilinearFaceVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeBilinearFacePoints( batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyBilinearEdgeVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeBilinearEdgePoints( batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyBilinearVertexVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeBilinearVertexPoints( batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyCatmarkFaceVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeCatmarkFacePoints( batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyCatmarkEdgeVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeCatmarkEdgePoints( batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyCatmarkVertexVerticesKernelB(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeCatmarkVertexPointsB( batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyCatmarkVertexVerticesKernelA1(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeCatmarkVertexPointsA( batch.GetVertexOffset(),
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false,
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyCatmarkVertexVerticesKernelA2(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeCatmarkVertexPointsA( batch.GetVertexOffset(),
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true,
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyLoopEdgeVerticesKernel(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeLoopEdgePoints( batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyLoopVertexVerticesKernelB(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeLoopVertexPointsB( batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyLoopVertexVerticesKernelA1(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeLoopVertexPointsA( batch.GetVertexOffset(),
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false,
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyLoopVertexVerticesKernelA2(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarSubdivisionTables const * subdivision = context->GetSubdivisionTables();
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assert(subdivision);
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subdivision->computeLoopVertexPointsA( batch.GetVertexOffset(),
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true,
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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}
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template <class CONTEXT> void
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FarComputeController::ApplyVertexEdits(FarKernelBatch const &batch, CONTEXT *context) const {
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typename CONTEXT::VertexType *vsrc = &context->GetVertices().at(0);
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FarVertexEditTables const * vertEdit = context->GetVertexEditTables();
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if (vertEdit)
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vertEdit->computeVertexEdits( batch.GetTableIndex(),
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batch.GetVertexOffset(),
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batch.GetTableOffset(),
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batch.GetStart(),
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batch.GetEnd(),
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vsrc );
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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 /* FAR_DISPATCHER_H */
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