/*
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
*/


#ifdef GL_ES
precision mediump float;
#endif
varying vec4 color;

#define ERROR_EPSILON 0.125

void main (void){
  	struct second_nest
	{
	   float sc_nt;
	   mat2 sc_mt2;
	   vec4 sc_vc4;
	};

	struct nest
	{
	   ivec3 nt_ivc3;
	   bvec4 nt_bvc4;
	   second_nest nt_scne;
	};

	struct test_t
	{
	   float t_fl;
	   vec2 t_vc2;
	   vec3 t_vc3;
	   mat4 t_mt4;
           nest t_nested;
	   float t_2fl;
	};

	vec4 mt1 = vec4(31.0, 32.0, 33.0, 34.0);
	vec4 mt2 = vec4(35.0, 36.0, 37.0, 38.0);
	vec4 mt3 = vec4(39.0, 40.0, 41.0, 42.0);
	vec4 mt4 = vec4(43.0, 44.0, 45.0, 46.0);
	int i=0;
	float sum1=0.0, sum2=0.0, sum3=0.0, sum4=0.0;

	test_t a = test_t(23.0, vec2(12.0, 13.0),

	                  vec3(163.0, 173.0, 183.0),

		          mat4(mt1, mt2, mt3, mt4),

		                nest( ivec3(73, 74, 75),

			        bvec4(12, 0, 17.0, 193.0 ),

			            second_nest(144.0,  mat2(22.0, 23.0, 24.0, 25.0),  vec4(57.0, 58.0, 59.0, 60.0 )
				    )
				),

			  203.0
		    );

	sum1 =  a.t_mt4[0][0] + a.t_mt4[0][1] + a.t_mt4[0][2] + a.t_mt4[0][3];
	sum2 =  a.t_mt4[1][0] + a.t_mt4[1][1] + a.t_mt4[1][2] + a.t_mt4[1][3];
	sum3 =  a.t_mt4[2][0] + a.t_mt4[2][1] + a.t_mt4[2][2] + a.t_mt4[2][3];
	sum4 =  a.t_mt4[3][0] + a.t_mt4[3][1] + a.t_mt4[3][2] + a.t_mt4[3][3];

	float gray;
	if( ( a.t_fl == 23.0 ) &&

	    (a.t_vc2[0] == 12.0) && (a.t_vc2[1] == 13.0) &&

	    (a.t_vc3[0] == 163.0)  && (a.t_vc3[1] == 173.0)  && (a.t_vc3[2] == 183.0) &&

            (sum1 > 130.0-ERROR_EPSILON && sum1 < 130.0+ERROR_EPSILON )  && (sum2 > 146.0-ERROR_EPSILON && sum2 < 146.0+ERROR_EPSILON  )  && (sum3 >162.0-ERROR_EPSILON && sum3 < 162.0+ERROR_EPSILON ) && (sum4 > 178.0-ERROR_EPSILON && sum4 < 178.0+ERROR_EPSILON ) &&
                (a.t_nested.nt_ivc3[0] == 73 ) && (a.t_nested.nt_ivc3[1] == 74 ) && (a.t_nested.nt_ivc3[2] == 75 ) &&

	        (a.t_nested.nt_bvc4[0] == true) && (a.t_nested.nt_bvc4[1] == false) &&

                (a.t_nested.nt_bvc4[2] == true ) && (a.t_nested.nt_bvc4[0] == true) &&

                     (a.t_nested.nt_scne.sc_nt == 144.0) &&

                     (a.t_nested.nt_scne.sc_mt2[0][0] == 22.0 ) && (a.t_nested.nt_scne.sc_mt2[0][1] == 23.0 ) &&

                     (a.t_nested.nt_scne.sc_mt2[1][0] == 24.0 ) && (a.t_nested.nt_scne.sc_mt2[1][1] == 25.0 ) &&

                     (a.t_nested.nt_scne.sc_vc4[0] == 57.0 ) && (a.t_nested.nt_scne.sc_vc4[1] == 58.0 ) &&

                     (a.t_nested.nt_scne.sc_vc4[2] == 59.0 ) && (a.t_nested.nt_scne.sc_vc4[3] == 60.0) &&

            (a.t_2fl == 203.0)
          )
	gray=1.0;
	else gray=0.0;
	gl_FragColor = vec4(gray, gray, gray, 1.0);
}