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[PATCH v7 0/3] MR2175: oleaut32: fix VarAbs function for BSTR with positive values
by Jason Millard (＠jsm174) 14 Feb '23

14 Feb '23

While working in vbscript, I noticed abs on a `BSTR` value with a positive number would come back with an invalid value. Given the following script: ``` Dim x x = "30000" Debug.Print "x" & "=" & abs(x) ``` Outputs: ``` Script.Print 'x=3.08221696253945E-314' ``` After debugging, `pVarIn` gets the R8 value but is never shallow copied into `pVarOut`. I'm not sure how to write a test case in `oleaut32`, so I included a test case in `vbscript`. -- v7: oleaut32: fix VarAbs function for BSTR with positive values oleaut32: Fix VarAbs function for BSTR with positive values. oleaut32: Remove overflow check for VT_R4 and VT_R8 in VarAbs. https://gitlab.winehq.org/wine/wine/-/merge_requests/2175

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[PATCH 0/5] MR2145: Wined3d: simplify state tables
by Max Figura (＠maxfigura) 14 Feb '23

14 Feb '23

Removing WINED3D_RS entries from state tables and moving stubs to wined3d_device_apply_stateblock. These patches remove the entries for: - WINED3D_RS_ANTIALIAS - WINED3D_RS_TEXTUREPERSPECTIVE - WINED3D_RS_WRAPU - WINED3D_RS_WRAPV - WINED3D_RS_MONOENABLE and remove: - state_antialias() - state_wrapu() - state_wrapv() - state_monoenable() -- https://gitlab.winehq.org/wine/wine/-/merge_requests/2145

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Re: [PATCH v3 0/2] MR2108: wined3d: Destroy objects belonging to the current completed command buffer/fence. - approved
by Jan Sikorski (＠jsikorski) 14 Feb '23

14 Feb '23

This merge request was approved by Jan Sikorski. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/2108

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[PATCH 0/1] MR2187: imm32: Disable cross thread access for ImmSetCompositionString().
by Paul Gofman (＠gofman) 14 Feb '23

14 Feb '23

Fixes deadlock in a game. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/2187

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[PATCH v2 0/3] MR2107: dxgi: Implement IDXGIResource::GetUsage().
by Zebediah Figura (＠zfigura) 14 Feb '23

14 Feb '23

-- v2: d3d11: Expand tests for IDXGIResource. dxgi: Implement IDXGIResource::GetUsage(). wined3d: Introduce wined3d_texture_get_swapchain(). https://gitlab.winehq.org/wine/wine/-/merge_requests/2107

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[PATCH v10 0/2] MR821: Replace obsolete RtlUniform tests that no longer work (currently skipped) since Windows Vista; update RtlUniform impl.
by Jinoh Kang (＠iamahuman) 14 Feb '23

14 Feb '23

Today, test_RtlUniform() skips almost all of its tests on Windows Vista or later. The skipped tests only succeed in Windows XP, and fail on Windows Vista or later. This is because RtlUniform()'s behavior has changed, presumably due to a bug fix shipped in Windows Vista. It appears that RtlUniform, a linear congruential generator, could overflow before computing the modulo in WindoWs XP. This is no longer the case in Windows Vista or later. Meanwhile, we no longer support Windows XP behavior and thus do not test for it regularly; therefore, the tests are obsolete as of 2023. Remove obsolete tests that no longer work with any of the Windows versions actively tested by WineHQ (as of 2023), and replace them with updated tests that works in the Windows versions from Vista up to 10. Also, fix Wine's RtlUniform() to match the new behavior accordingly. -- v10: ntdll: Fix integer overflow in RtlUniform. https://gitlab.winehq.org/wine/wine/-/merge_requests/821

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[PATCH v6 0/1] MR2175: oleaut32: fix VarAbs function for BSTR with positive values
by Jason Millard (＠jsm174) 14 Feb '23

14 Feb '23

While working in vbscript, I noticed abs on a `BSTR` value with a positive number would come back with an invalid value. Given the following script: ``` Dim x x = "30000" Debug.Print "x" & "=" & abs(x) ``` Outputs: ``` Script.Print 'x=3.08221696253945E-314' ``` After debugging, `pVarIn` gets the R8 value but is never shallow copied into `pVarOut`. I'm not sure how to write a test case in `oleaut32`, so I included a test case in `vbscript`. -- v6: oleaut32: fix VarAbs function for BSTR with positive values https://gitlab.winehq.org/wine/wine/-/merge_requests/2175

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Re: [PATCH v3 0/4] MR2072: d3d pixel format tests - approved
by Jan Sikorski (＠jsikorski) 14 Feb '23

14 Feb '23

This merge request was approved by Jan Sikorski. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/2072

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Re: [PATCH v9 0/2] MR821: Replace obsolete RtlUniform tests that no longer work (currently skipped) since Windows Vista; update RtlUniform impl.
by Jinoh Kang (＠iamahuman) 14 Feb '23

14 Feb '23

On Tue Feb 14 14:55:14 2023 +0000, Huw Davies wrote: > The optimization below doesn't seem to be worth it. On x86_64 I > couldn't measure a difference between the algorithm above and the > optimization below. On i386, while the optimization was about 10% > faster, the algorithm above matched native's performance, so there seems > little point in adding the complexity. > If you really need the optimization, you could potentially introduce it > in a later MR. It was an attempt to implement it in an unusual way so that there was low likelihood that the algorithm matched any particular existing implementation. I'll switch to the modulo one anyway. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/821#note_24060

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Re: [PATCH v9 0/2] MR821: Replace obsolete RtlUniform tests that no longer work (currently skipped) since Windows Vista; update RtlUniform impl.
by Huw Davies (＠huw) 14 Feb '23

14 Feb '23

Huw Davies (@huw) commented about dlls/ntdll/rtl.c: > - result = *seed * 0xffffffed + 0x7fffffc3; > - if (result == 0xffffffff || result == 0x7ffffffe) { > - result = (result + 2) & MAXLONG; > - } else if (result == 0x7fffffff) { > - result = 0; > - } else if ((result & 0x80000000) == 0) { > - result = result + (~result & 1); > - } else { > - result = (result + (result & 1)) & MAXLONG; > - } /* if */ > + /* The algorithm below is equivalent to the following expression: > + * > + * result = ((ULONGLONG)*seed * 0x7fffffed + 0x7fffffc3) % 0x7fffffff; > + * return (*seed = result); > + */ > + The optimization below doesn't seem to be worth it. On x86_64 I couldn't measure a difference between the algorithm above and the optimization below. On i386, while the optimization was about 10% faster, the algorithm above matched native's performance, so there seems little point in adding the complexity. If you really need the optimization, you could potentially introduce it in a later MR. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/821#note_24059

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