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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.
131 lines
4.4 KiB
C++
131 lines
4.4 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_D3D11L_DRAW_CONTEXT_H
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#define OSD_D3D11L_DRAW_CONTEXT_H
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#include "../version.h"
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#include "../far/mesh.h"
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#include "../osd/drawContext.h"
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#include "../osd/vertex.h"
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#include <map>
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struct ID3D11VertexShader;
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struct ID3D11HullShader;
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struct ID3D11DomainShader;
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struct ID3D11GeometryShader;
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struct ID3D11PixelShader;
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struct ID3D11Buffer;
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struct ID3D11ShaderResourceView;
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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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/// \brief D3D11 specialized DrawContext class
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///
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/// OsdD3D11DrawContext implements the OSD drawing interface with Microsoft(c)
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/// DirectX D3D11 API.
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/// Some functionality may be disabled depending on compile and run-time driver
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/// support.
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///
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/// Contexts interface the serialized topological data pertaining to the
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/// geometric primitives with the capabilities of the selected discrete
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/// compute device.
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///
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class OsdD3D11DrawContext : public OsdDrawContext {
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public:
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typedef ID3D11Buffer * VertexBufferBinding;
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virtual ~OsdD3D11DrawContext();
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/// \brief Create an OsdD3D11DrawContext from FarPatchTables
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///
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/// @param patchTables a valid set of FarPatchTables
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///
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/// @param pd3d11DeviceContext a device context
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///
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/// @param requireFVarData set to true to enable face-varying data to be
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/// carried over from the Far data structures.
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///
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///
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static OsdD3D11DrawContext *Create(FarPatchTables const *patchTables,
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ID3D11DeviceContext *pd3d11DeviceContext,
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bool requireFVarData=false);
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/// Set vbo as a vertex texture (for gregory patch drawing)
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///
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/// @param vbo the vertex buffer object to update
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///
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/// @param pd3d11DeviceContext a device context
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///
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template<class VERTEX_BUFFER>
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void UpdateVertexTexture(VERTEX_BUFFER *vbo, ID3D11DeviceContext *pd3d11DeviceContext) {
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if (vbo)
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updateVertexTexture(vbo->BindD3D11Buffer(pd3d11DeviceContext),
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pd3d11DeviceContext,
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vbo->GetNumVertices(),
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vbo->GetNumElements());
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}
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ID3D11Buffer *patchIndexBuffer;
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ID3D11Buffer *ptexCoordinateBuffer;
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ID3D11ShaderResourceView *ptexCoordinateBufferSRV;
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ID3D11Buffer *fvarDataBuffer;
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ID3D11Buffer *fvarDataBufferSRV;
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ID3D11ShaderResourceView *vertexBufferSRV;
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ID3D11Buffer *vertexValenceBuffer;
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ID3D11ShaderResourceView *vertexValenceBufferSRV;
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ID3D11Buffer *quadOffsetBuffer;
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ID3D11ShaderResourceView *quadOffsetBufferSRV;
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private:
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OsdD3D11DrawContext();
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// allocate buffers from patchTables
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bool create(FarPatchTables const *patchTables,
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ID3D11DeviceContext *pd3d11DeviceContext,
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bool requireFVarData);
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void updateVertexTexture(ID3D11Buffer *vbo,
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ID3D11DeviceContext *pd3d11DeviceContext,
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int numVertices,
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int numElements);
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int _numVertices;
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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_D3D11L_DRAW_CONTEXT_H */
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