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Copyright 2013 Pixar
Licensed under the Apache License, Version 2.0 (the "Apache License")
with the following modification; you may not use this file except in
compliance with the Apache License and the following modification to it:
Section 6. Trademarks. is deleted and replaced with:
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor
and its affiliates, except as required to comply with Section 4(c) of
the License and to reproduce the content of the NOTICE file.
You may obtain a copy of the Apache License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the Apache License with the above modification is
distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the Apache License for the specific
language governing permissions and limitations under the Apache License.
92 lines
2.9 KiB
C++
92 lines
2.9 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 OSD_CPU_D3D11_VERTEX_BUFFER_H
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#define OSD_CPU_D3D11_VERTEX_BUFFER_H
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#include "../version.h"
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struct ID3D11Buffer;
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struct ID3D11Device;
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struct ID3D11DeviceContext;
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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///
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/// \brief Concrete vertex buffer class for Cpu subvision and DirectX drawing.
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///
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/// OsdCpuD3D11VertexBuffer implements OsdCpuVertexBufferInterface and
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/// OsdD3D11VertexBufferInterface.
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///
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/// An instance of this buffer class can be passed to OsdCpuComputeController.
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///
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class OsdCpuD3D11VertexBuffer {
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public:
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/// Creator. Returns NULL if error.
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static OsdCpuD3D11VertexBuffer * Create(int numElements,
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int numVertices,
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ID3D11Device *device);
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/// Destructor.
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virtual ~OsdCpuD3D11VertexBuffer();
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/// This method is meant to be used in client code in order to provide coarse
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/// vertices data to Osd.
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void UpdateData(const float *src, int startVertex, int numVertices, void *param);
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/// Returns how many elements defined in this vertex buffer.
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int GetNumElements() const;
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/// Returns how many vertices allocated in this vertex buffer.
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int GetNumVertices() const;
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/// Returns the address of CPU buffer.
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float * BindCpuBuffer();
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/// Returns the D3D11 buffer object.
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ID3D11Buffer *BindD3D11Buffer(ID3D11DeviceContext *deviceContext);
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protected:
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/// Constructor.
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OsdCpuD3D11VertexBuffer(int numElements,
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int numVertices,
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ID3D11Device *device);
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bool allocate(ID3D11Device *device);
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private:
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int _numElements;
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int _numVertices;
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ID3D11Buffer *_d3d11Buffer;
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float *_cpuBuffer;
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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_D3D11_VERTEX_BUFFER_H
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