//
// Copyright 2016 Google Inc.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//

#ifndef HS_GLSL_PREAMBLE_ONCE
#define HS_GLSL_PREAMBLE_ONCE

//
//
//

#define HS_EVAL(a)                a
#define HS_HASH_SYMBOL            #
#define HS_HASH()                 HS_EVAL(HS_HASH_SYMBOL)
#define HS_GLSL_EXT()             HS_HASH()extension   // will be indented one space
#define HS_GLSL_EXT_REQUIRE(name) HS_GLSL_EXT() name : require
#define HS_GLSL_VERSION(ver)      HS_HASH()version ver // will be indented one space

//
//
//

HS_GLSL_VERSION(450)
HS_GLSL_EXT_REQUIRE(GL_KHR_shader_subgroup_basic)
HS_GLSL_EXT_REQUIRE(GL_KHR_shader_subgroup_shuffle)

#if HS_KEY_WORDS == 2
HS_GLSL_EXT_REQUIRE(GL_ARB_gpu_shader_int64)
#endif

//
//
//

#endif

//
//
//