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// Gawain geometric primitives
//
// This code is part of the Gawain library, with modifications
// specific to integration with Blender.
//
// Copyright 2017 Mike Erwin
//
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of
// the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
#pragma once
#include "gwn_common.h"
typedef enum {
GWN_PRIM_POINTS,
GWN_PRIM_LINES,
GWN_PRIM_TRIS,
GWN_PRIM_LINE_STRIP,
GWN_PRIM_LINE_LOOP, // GL has this, Vulkan does not
GWN_PRIM_TRI_STRIP,
GWN_PRIM_TRI_FAN,
GWN_PRIM_LINES_ADJ,
GWN_PRIM_TRIS_ADJ,
GWN_PRIM_LINE_STRIP_ADJ,
GWN_PRIM_NONE
} Gwn_PrimType;
// what types of primitives does each shader expect?
typedef enum {
GWN_PRIM_CLASS_NONE = 0,
GWN_PRIM_CLASS_POINT = (1 << 0),
GWN_PRIM_CLASS_LINE = (1 << 1),
GWN_PRIM_CLASS_SURFACE = (1 << 2),
GWN_PRIM_CLASS_ANY = GWN_PRIM_CLASS_POINT | GWN_PRIM_CLASS_LINE | GWN_PRIM_CLASS_SURFACE
} Gwn_PrimClass;
Gwn_PrimClass GWN_primtype_class(Gwn_PrimType);
bool GWN_primtype_belongs_to_class(Gwn_PrimType, Gwn_PrimClass);
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