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Vulran Rasterizer: address feedback.
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@ -633,10 +633,12 @@ void RasterizerVulkan::UpdateDepthBias(Tegra::Engines::Maxwell3D::Regs& regs) {
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regs.zeta.format == Tegra::DepthFormat::D24S8_UNORM ||
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regs.zeta.format == Tegra::DepthFormat::D24C8_UNORM;
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if (is_d24 && !device.SupportsD24DepthBuffer()) {
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const double f = static_cast<double>(1ULL << (32 - 24)) / (static_cast<double>(0x1.ep+127));
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units = static_cast<float>(static_cast<double>(units) * f);
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// the base formulas can be obtained from here:
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// https://docs.microsoft.com/en-us/windows/win32/direct3d11/d3d10-graphics-programming-guide-output-merger-stage-depth-bias
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const double rescale_factor =
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static_cast<double>(1ULL << (32 - 24)) / (static_cast<double>(0x1.ep+127));
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units = static_cast<float>(static_cast<double>(units) * rescale_factor);
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}
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scheduler.Record([constant = units, clamp = regs.polygon_offset_clamp,
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factor = regs.polygon_offset_factor](vk::CommandBuffer cmdbuf) {
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cmdbuf.SetDepthBias(constant, clamp, factor);
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