68 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 *
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 * The Original Code is Copyright (C) 2016 by Mike Erwin.
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 * All rights reserved.
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 */
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/** \file
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 * \ingroup gpu
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 *
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 * GPU geometric primitives
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 */
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#pragma once
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#include "GPU_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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  GPU_PRIM_POINTS,
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  GPU_PRIM_LINES,
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  GPU_PRIM_TRIS,
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  GPU_PRIM_LINE_STRIP,
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  GPU_PRIM_LINE_LOOP, /* GL has this, Vulkan does not */
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  GPU_PRIM_TRI_STRIP,
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  GPU_PRIM_TRI_FAN,
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  GPU_PRIM_LINES_ADJ,
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  GPU_PRIM_TRIS_ADJ,
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  GPU_PRIM_LINE_STRIP_ADJ,
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  GPU_PRIM_NONE,
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} GPUPrimType;
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/* what types of primitives does each shader expect? */
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typedef enum {
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  GPU_PRIM_CLASS_NONE = 0,
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  GPU_PRIM_CLASS_POINT = (1 << 0),
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  GPU_PRIM_CLASS_LINE = (1 << 1),
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  GPU_PRIM_CLASS_SURFACE = (1 << 2),
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  GPU_PRIM_CLASS_ANY = GPU_PRIM_CLASS_POINT | GPU_PRIM_CLASS_LINE | GPU_PRIM_CLASS_SURFACE,
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} GPUPrimClass;
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/**
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 * TODO Improve error checking by validating that the shader is suited for this primitive type.
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 * GPUPrimClass GPU_primtype_class(GPUPrimType);
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 * bool GPU_primtype_belongs_to_class(GPUPrimType, GPUPrimClass);
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 **/
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#ifdef __cplusplus
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}
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#endif
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