mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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117 lines
4.6 KiB
C++
117 lines
4.6 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 DELEGATE_H
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#define DELEGATE_H
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#include <osd/cpuGLVertexBuffer.h>
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#include <osd/glDrawContext.h>
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#include <osd/glDrawRegistry.h>
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#include <osd_util/batch.h>
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#include "effect.h"
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#include "effectRegistry.h"
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class MyDrawContext : public OpenSubdiv::OsdGLDrawContext {
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public:
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virtual ~MyDrawContext();
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template<class VERTEX_BUFFER>
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static MyDrawContext *
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Create(OpenSubdiv::FarMesh<OpenSubdiv::OsdVertex> *farMesh,
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VERTEX_BUFFER *vertexBuffer,
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bool requireFVarData=false) {
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if (not vertexBuffer)
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return NULL;
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MyDrawContext * instance = new MyDrawContext();
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if (instance->allocate(farMesh,
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vertexBuffer->BindVBO(),
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vertexBuffer->GetNumElements(),
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requireFVarData)) return instance;
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delete instance;
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return NULL;
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}
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//private:
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GLuint vao;
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private:
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MyDrawContext();
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};
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class MyDrawDelegate {
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public:
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void BindBatch(OpenSubdiv::OsdUtilMeshBatchBase<MyDrawContext> *batch);
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void UnbindBatch(OpenSubdiv::OsdUtilMeshBatchBase<MyDrawContext> *batch);
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void BindEffect(MyEffect *effect);
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void UnbindEffect(MyEffect *effect);
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void DrawElements(MyEffect *effect, OpenSubdiv::OsdDrawContext::PatchArray const &patchArray);
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void ResetNumDrawCalls() { _numDrawCalls = 0; }
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int GetNumDrawCalls() const { return _numDrawCalls; }
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private:
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MyDrawConfig *GetDrawConfig(MyEffect *effectHandle, OpenSubdiv::OsdDrawContext::PatchDescriptor desc);
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MyEffectRegistry _effectRegistry;
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int _numDrawCalls;
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};
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#endif /* DELEGATE_H */
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