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[d3d9] Change correctness factor to 0.5f

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The original issue that 0.5f - (1.0f / 128.0f) fixed is a game bug that also happens on Windows and the version of the addon used back then didn't fix correctly. With the latest version of the addon it looks correct.
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Blisto91 2024-11-16 21:54:14 +01:00 • committed by GitHub
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commit 091fa0f7c5
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src/d3d9/d3d9_device.cpp
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@ -6571,12 +6571,7 @@ namespace dxvk {
const D3DVIEWPORT9& vp = m_state.viewport;
// Correctness Factor for 1/2 texel offset
// We need to bias this slightly to make
// imprecision in games happy.
// Originally we did this only for powers of two
// resolutions but since NEAREST filtering fixed to
// truncate, we need to do this all the time now.
constexpr float cf = 0.5f - (1.0f / 128.0f);
constexpr float cf = 0.5f;
// How much to bias MinZ by to avoid a depth
// degenerate viewport.