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#version 450
#extension GL_EXT_fragment_shading_rate : enable
layout(location = 0) in int id;
void main()
{
switch (id)
{
case 0:
// V2 | H2 => 5
gl_PrimitiveShadingRateEXT = gl_ShadingRateFlag2VerticalPixelsEXT | gl_ShadingRateFlag2HorizontalPixelsEXT;
break;
case 1:
// V2 | H4 => 9
gl_PrimitiveShadingRateEXT = gl_ShadingRateFlag2VerticalPixelsEXT | gl_ShadingRateFlag4HorizontalPixelsEXT;
break;
case 2:
// V4 | H2 => 6
gl_PrimitiveShadingRateEXT = gl_ShadingRateFlag4VerticalPixelsEXT | gl_ShadingRateFlag2HorizontalPixelsEXT;
break;
case 3:
// V4 | H4 => 10
gl_PrimitiveShadingRateEXT = gl_ShadingRateFlag4VerticalPixelsEXT | gl_ShadingRateFlag4HorizontalPixelsEXT;
break;
}
}
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