File: invocations-matching.shader_test

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# ARB_gpu_shader5 spec says:
#   "If an invocation count is declared, all such declarations
#    must specify the same count."
#
# This test verifies the link success if two compilation units
# declare the same number of invocations.

[require]
GLSL >= 1.50
GL_ARB_gpu_shader5

[vertex shader passthrough]

[geometry shader]

#extension GL_ARB_gpu_shader5 : enable
layout(lines, invocations=4) in;
layout(triangle_strip, max_vertices = 3) out;

void do_vertex(int i);

void main()
{
  for (int i = 0; i < 2; i++)
    do_vertex(i);
}

[geometry shader]

#extension GL_ARB_gpu_shader5 : enable
layout(invocations=4) in;
void do_vertex(int i)
{
}

[fragment shader]

out vec4 color;

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

[test]
link success