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/*
* 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) 2016 by Mike Erwin.
* All rights reserved.
*/
/** \file
* \ingroup gpu
*
* GPU geometric primitives
*/
#pragma once
#include "GPU_common.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
GPU_PRIM_POINTS,
GPU_PRIM_LINES,
GPU_PRIM_TRIS,
GPU_PRIM_LINE_STRIP,
GPU_PRIM_LINE_LOOP, /* GL has this, Vulkan does not */
GPU_PRIM_TRI_STRIP,
GPU_PRIM_TRI_FAN,
GPU_PRIM_LINES_ADJ,
GPU_PRIM_TRIS_ADJ,
GPU_PRIM_LINE_STRIP_ADJ,
GPU_PRIM_NONE,
} GPUPrimType;
/* what types of primitives does each shader expect? */
typedef enum {
GPU_PRIM_CLASS_NONE = 0,
GPU_PRIM_CLASS_POINT = (1 << 0),
GPU_PRIM_CLASS_LINE = (1 << 1),
GPU_PRIM_CLASS_SURFACE = (1 << 2),
GPU_PRIM_CLASS_ANY = GPU_PRIM_CLASS_POINT | GPU_PRIM_CLASS_LINE | GPU_PRIM_CLASS_SURFACE,
} GPUPrimClass;
GPUPrimClass GPU_primtype_class(GPUPrimType);
bool GPU_primtype_belongs_to_class(GPUPrimType, GPUPrimClass);
#ifdef __cplusplus
}
#endif
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