[require]
GLSL >= 1.50
GL_ARB_gpu_shader_fp64

[vertex shader]
#extension GL_ARB_gpu_shader_fp64 : enable

in vec4 vertex;
out vec4 color;

uniform double expected_doub;
uniform uvec2 given_uval;

void main() {
	gl_Position = vertex;
	/* Green if both pass. */
	color = vec4(0.0, 1.0, 0.0, 1.0);

	double packval;

	packval = packDouble2x32(given_uval.yx);

	if (packval != expected_doub) {
		color.r = 1.0;
	}
}

[fragment shader]

in vec4 color;
out vec4 fs_color;

void main()
{
	fs_color = color;
}

[vertex data]
vertex/float/2
-1.0 -1.0
 1.0 -1.0
 1.0  1.0
-1.0  1.0

[test]
uniform double expected_doub 0.0
uniform uvec2 given_uval 0 0
draw arrays GL_TRIANGLE_FAN 0 4
probe rgba 0 0 0.0 1.0 0.0 1.0

uniform double expected_doub 1.5
uniform uvec2 given_uval 1073217536 0
draw arrays GL_TRIANGLE_FAN 0 4
probe rgba 1 0 0.0 1.0 0.0 1.0

uniform double expected_doub 2.122e-311
uniform uvec2 given_uval 1000 8519181
draw arrays GL_TRIANGLE_FAN 0 4
probe rgba 2 0 0.0 1.0 0.0 1.0