SPIRV-Cross/reference/shaders/geom/single-invocation.geom

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#version 310 es
#extension GL_EXT_geometry_shader : require
layout(triangles) in;
layout(max_vertices = 3, triangle_strip) out;
layout(location = 0) out vec3 vNormal;
layout(location = 0) in VertexData
{
vec3 normal;
} vin[3];
void main()
{
gl_Position = gl_in[0].gl_Position;
vNormal = vin[0].normal;
EmitVertex();
gl_Position = gl_in[1].gl_Position;
vNormal = vin[1].normal;
EmitVertex();
gl_Position = gl_in[2].gl_Position;
vNormal = vin[2].normal;
EmitVertex();
EndPrimitive();
}