text: /* interoptexture.h - Copyright 2019 Utrecht University
  
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
  	   http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
  */
  
  #pragma once
  
  namespace lh2core {
  
  //  +-----------------------------------------------------------------------------+
  //  |  InteropTexture                                                             |
  //  |  Extended texture object for CUDA interop.                            LH2'19|
  //  +-----------------------------------------------------------------------------+
  class InteropTexture
  {
  public:
  	// constructor / destructor
  	~InteropTexture();
  	// get / set
  	void SetTexture( GLTexture* t );
  	cudaGraphicsResource** GetResID() { return &res; }
  	void LinkToSurface( const surfaceReference* s );
  	// methods
  	void BindSurface();
  	void UnbindSurface();
  private:
  	// data members
  	GLTexture* texture = 0;
  	cudaGraphicsResource* res = nullptr;
  	const surfaceReference* surfRef = nullptr;
  	bool linked = false, bound = false;
  };
  
  } // namespace lh2core
  
  // EOF