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path: root/src/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_vp.glsl
blob: 72baa441d6760d3ed1e479490cf347c141b8da67 (plain) (blame)
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ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
{
    float scale = abs(support_buffer.s_render_scale[1 + samplerIndex + support_buffer.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(support_buffer.s_render_scale[1 + samplerIndex + support_buffer.s_frag_scale_count]);
    if (scale == 1.0)
    {
        return size;
    }
    return int(float(size) / scale);
}