File: stream-negative-value.shader_test

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# ARB_gpu_shader5 spec says:
#   "If an implementation supports <N> vertex streams, the individual
#   streams are numbered 0 through <N>-1"
#
# This test verifies that a link error occurs if EmitStreamVertex()
# is called with a stream value which is negative.

[require]
GLSL >= 1.50
GL_ARB_gpu_shader5

[vertex shader passthrough]

[geometry shader]

#extension GL_ARB_gpu_shader5 : enable

layout(points) in;
layout(points, max_vertices=3) out;

void main()
{
	gl_Position = vec4(1.0, 1.0, 1.0, 1.0);
	EmitStreamVertex(-1);
	EndStreamPrimitive(-1);
}

[fragment shader]

out vec4 color;

void main()
{
  color = vec4(0.0, 1.0, 0.0, 1.0);
}

[test]
link error