63 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			63 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
|  | /*
 | ||
|  |  * This program is free software; you can redistribute it and/or | ||
|  |  * modify it under the terms of the GNU General Public License | ||
|  |  * as published by the Free Software Foundation; either version 2 | ||
|  |  * of the License, or (at your option) any later version. | ||
|  |  * | ||
|  |  * This program is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  * GNU General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU General Public License | ||
|  |  * along with this program; if not, write to the Free Software Foundation, | ||
|  |  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
|  |  * | ||
|  |  * The Original Code is Copyright (C) 2020 Blender Foundation. | ||
|  |  * All rights reserved. | ||
|  |  */ | ||
|  | 
 | ||
|  | /** \file
 | ||
|  |  * \ingroup gpu | ||
|  |  */ | ||
|  | 
 | ||
|  | #pragma once
 | ||
|  | 
 | ||
|  | #include "MEM_guardedalloc.h"
 | ||
|  | 
 | ||
|  | #include "gpu_storage_buffer_private.hh"
 | ||
|  | 
 | ||
|  | #include "glew-mx.h"
 | ||
|  | 
 | ||
|  | namespace blender { | ||
|  | namespace gpu { | ||
|  | 
 | ||
|  | /**
 | ||
|  |  * Implementation of Storage Buffers using OpenGL. | ||
|  |  */ | ||
|  | class GLStorageBuf : public StorageBuf { | ||
|  |  private: | ||
|  |   /** Slot to which this UBO is currently bound. -1 if not bound. */ | ||
|  |   int slot_ = -1; | ||
|  |   /** OpenGL Object handle. */ | ||
|  |   GLuint ssbo_id_ = 0; | ||
|  |   /** Usage type. */ | ||
|  |   GPUUsageType usage_; | ||
|  | 
 | ||
|  |  public: | ||
|  |   GLStorageBuf(size_t size, GPUUsageType usage, const char *name); | ||
|  |   ~GLStorageBuf(); | ||
|  | 
 | ||
|  |   void update(const void *data) override; | ||
|  |   void bind(int slot) override; | ||
|  |   void unbind() override; | ||
|  | 
 | ||
|  |  private: | ||
|  |   void init(); | ||
|  | 
 | ||
|  |   MEM_CXX_CLASS_ALLOC_FUNCS("GLStorageBuf"); | ||
|  | }; | ||
|  | 
 | ||
|  | }  // namespace gpu
 | ||
|  | }  // namespace blender
 |