mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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244 lines
11 KiB
C++
244 lines
11 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 OSDUTIL_MESH_BATCH_CL_H
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#define OSDUTIL_MESH_BATCH_CL_H
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#include "../version.h"
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#include "../osdutil/batch.h"
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#include "../osd/clComputeController.h"
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#include <vector>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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// ----------------------------------------------------------------------------
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// OsdUtilMeshBatch OpenCL specialized class
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//
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template <typename VERTEX_BUFFER, typename DRAW_CONTEXT>
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class OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController> : public OsdUtilMeshBatchBase<DRAW_CONTEXT> {
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public:
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typedef VERTEX_BUFFER VertexBuffer;
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typedef OsdCLComputeController::ComputeContext ComputeContext;
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typedef DRAW_CONTEXT DrawContext;
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typedef OsdCLComputeController ComputeController;
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typedef OsdUtilMeshBatchBase<DRAW_CONTEXT> Base;
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// XXX: not happy with retaining compute controller..
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static OsdUtilMeshBatch* Create(ComputeController *computeController,
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const std::vector<FarMesh<OsdVertex> const * > &meshVector,
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int numVertexElements,
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int numVaryingElements,
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int batchIndex);
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virtual ~OsdUtilMeshBatch();
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virtual typename DrawContext::VertexBufferBinding BindVertexBuffer() { return _vertexBuffer->BindVBO(); }
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virtual DrawContext * GetDrawContext() const { return _drawContext; }
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// update API
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virtual void UpdateCoarseVertices(int meshIndex, const float *ptrs, int numVertices) {
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Base::setMeshDirty(meshIndex);
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_vertexBuffer->UpdateData(ptrs, Base::GetVertexOffset(meshIndex), numVertices, _computeController->GetCommandQueue());
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}
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// utility function
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virtual void FinalizeUpdate() {
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// create kernel batch for dirty handles
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FarKernelBatchVector batches;
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Base::populateDirtyKernelBatches(batches);
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Base::resetMeshDirty();
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_computeController->Refine(_computeContext, batches, _vertexBuffer);
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}
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VertexBuffer *GetVertexBuffer() const { return _vertexBuffer; }
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VertexBuffer *GetVaryingBuffer() const { return _varyingBuffer; }
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private:
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OsdUtilMeshBatch();
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bool initialize(ComputeController *computeController,
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OsdUtilMeshBatchEntryVector const &entries,
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FarMesh<OsdVertex> const *farMultiMesh,
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int numVertexElements,
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int numVaryingElements,
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int batchIndex);
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bool initialize(FarPatchTables const *patchTables,
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int numVertices,
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int numPtexFaces,
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int numVertexElements,
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int numVaryingElements,
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int batchIndex);
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ComputeController *_computeController;
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ComputeContext *_computeContext;
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VertexBuffer *_vertexBuffer, *_varyingBuffer;
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DrawContext *_drawContext;
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};
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// -----------------------------------------------------------------------------
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template <typename VERTEX_BUFFER, typename DRAW_CONTEXT>
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OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController>::OsdUtilMeshBatch() :
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_computeController(NULL), _computeContext(NULL), _vertexBuffer(NULL), _varyingBuffer(NULL), _drawContext(NULL) {
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}
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template <typename VERTEX_BUFFER, typename DRAW_CONTEXT> bool
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OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController>::initialize(ComputeController *computeController,
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OsdUtilMeshBatchEntryVector const &entries,
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FarMesh<OsdVertex> const *farMultiMesh,
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int numVertexElements,
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int numVaryingElements,
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int batchIndex) {
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Base::initialize(entries, farMultiMesh->GetNumVertices(), farMultiMesh->GetNumPtexFaces(),
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numVertexElements, batchIndex);
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_computeController = computeController;
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// copy batches
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Base::setKernelBatches(farMultiMesh->GetKernelBatches());
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// create compute contexts
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_computeContext = ComputeContext::Create(farMultiMesh, _computeController->GetContext());
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if (not _computeContext) return false;
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FarPatchTables const * patchTables = farMultiMesh->GetPatchTables();
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_vertexBuffer = numVertexElements ? VertexBuffer::Create(numVertexElements, Base::GetNumVertices(), _computeController->GetContext()) : NULL;
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_varyingBuffer = numVaryingElements ? VertexBuffer::Create(numVaryingElements, Base::GetNumVertices(), _computeController->GetContext()) : NULL;
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_drawContext = DrawContext::Create(patchTables, /*fvar=*/false);
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if (not _drawContext) return false;
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_drawContext->UpdateVertexTexture(_vertexBuffer);
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return true;
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}
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template <typename VERTEX_BUFFER, typename DRAW_CONTEXT> bool
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OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController>::initialize(FarPatchTables const *patchTables,
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int numVertices,
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int numPtexFaces,
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int numVertexElements,
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int numVaryingElements,
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int batchIndex) {
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Base::initialize(numVertices, numPtexFaces, numVertexElements, batchIndex);
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_vertexBuffer = numVertexElements ? VertexBuffer::Create(numVertexElements, Base::GetNumVertices(), _computeController->GetContext()) : NULL;
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_varyingBuffer = numVaryingElements ? VertexBuffer::Create(numVaryingElements, Base::GetNumVertices(), _computeController->GetContext()) : NULL;
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_drawContext = DrawContext::Create(patchTables, /*fvar=*/false);
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if (not _drawContext) return false;
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_drawContext->UpdateVertexTexture(_vertexBuffer);
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return true;
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}
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template <typename VERTEX_BUFFER, typename DRAW_CONTEXT>
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OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController>::~OsdUtilMeshBatch() {
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delete _computeContext;
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delete _drawContext;
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delete _vertexBuffer;
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delete _varyingBuffer;
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}
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template <typename VERTEX_BUFFER, typename DRAW_CONTEXT>
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OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController> *
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OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController>::Create(ComputeController *computeController,
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const std::vector<FarMesh<OsdVertex> const * > &meshVector,
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int numVertexElements,
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int numVaryingElements,
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int batchIndex)
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{
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std::vector<FarPatchTables::PatchArrayVector> multiFarPatchArray;
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FarMesh <OsdVertex> *farMultiMesh = createMultiMesh(meshVector, multiFarPatchArray);
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FarPatchTables const * patchTables = farMultiMesh->GetPatchTables();
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// create entries
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OsdUtilMeshBatchEntryVector entries;
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createEntries(entries, multiFarPatchArray, patchTables->GetMaxValence(), meshVector);
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OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController> *batch =
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new OsdUtilMeshBatch<VERTEX_BUFFER, DRAW_CONTEXT, OsdCLComputeController>();
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batch->initialize(computeController, entries, farMultiMesh, numVertexElements, numVaryingElements, batchIndex);
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delete farMultiMesh;
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return batch;
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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 /* OSDUTIL_MESH_BATCH_H */
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