File: gs-vertex-overflow.vk_shader_test

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# Tests emitting more vertices than specified with max_vertices.
# Reproduces a hang with RADV and the (disabled by default) NGG path for
# geometry shaders.

[vertex shader]
#version 450 core

void main() {
  gl_Position = vec4(0.0);
}

[geometry shader]
#version 450 core

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

void main() {
    gl_Position = vec4(0.0, 0.0, 0.0, 1.0);
    EmitVertex();

    gl_Position = vec4(1.0, 0.0, 0.0, 1.0);
    EmitVertex();

    gl_Position = vec4(1.0, 1.0, 0.0, 1.0);
    EmitVertex();
    EndPrimitive();

    gl_Position = vec4(0.0, 1.0, 0.0, 1.0);
    EmitVertex();

    gl_Position = vec4(1.0, 1.0, 0.0, 1.0);
    EmitVertex();

    gl_Position = vec4(1.0, 0.0, 0.0, 1.0);
    EmitVertex();
    EndPrimitive();
}

[test]
draw arrays GL_POINTS 0 1