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path: root/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_vp.glsl
blob: 19eb119db789d18aac020cae759365ebb8d84d3b (plain) (blame)
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ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
{
    float scale = abs(s_render_scale[1 + samplerIndex + s_frag_scale_count]);
    if (scale == 1.0)
    {
        return inputVec;
    }

    return ivec2(vec2(inputVec) * scale);
}

int Helper_TextureSizeUnscale(int size, int samplerIndex)
{
    float scale = abs(s_render_scale[1 + samplerIndex + s_frag_scale_count]);
    if (scale == 1.0)
    {
        return size;
    }
    return int(float(size) / scale);
}