DDrawCompat v0.5.4

General changes:

• Fixed occasional frame drops on NVIDIA GPUs (#298)
• Fixed graphical artifacts in Nocturne (#336)
• Fixed VertexFixup=cpu setting not working on older Intel GPUs (#340)
• Fixed performance issues on old versions of Intel's new native driver, igd9trinity32.dll
• Fixed a crash when the GPU driver's WDDM version is higher than what the runtime supports
• Fixed an occasional deadlock when alt-tabbing
• Fixed some issues with DPI unaware cursor positioning (#342)
• Fixed an occasional crash when closing the Config overlay (#342)
• Added support for games using ddrawex.dll (#349)

Updated configuration settings:

• ForceD3D9On12: added forceoff option, the off option no longer replaces D3D9On12 with igd9trinity32.dll
• StatsRows: added vblankcount, vblankrate, vblanktime options
• VSync: added wait option

New configuration settings:

• ViewportEdgeFix

DDrawCompat v0.5.3

General changes:

• Fixed blocking of the ForceDirectDrawEmulation shim (#280)
• Fixed a crash on some old Intel drivers (#299, #302, #315)
• Fixed windowed mode presentation (#298, #308, #312, #314)
• Fixed dialog boxes not appearing in Lego Loco (#179)
• Added missing check for invalid color depth during display mode change (#303)
• Fixed resolution scaling with D24S8 depth format when S8D24 is not supported (#300)
• Fixed some flickering GUI elements in Sacred Gold
• Fixed video playback on systems that have the VMR-9 DirectShow filter enabled (#299)
• Fixed launcher window turning black in Wild Wild West: The Steel Assassin (#306)
• Fixed rendering issues in Ultima IX when the game's MultiPassChromakey setting is set to 1 or 2
• Fixed a race condition that could cause a crash when installing hooks (#306)
• Fixed AltTabFix=keepvidmem(1) not keeping the back buffers of the primary surface chain (#316)
• Removed dependency on the Windows debugger engine (dbgeng.dll) (#318)
• Fixed blank config/stats overlays on AMD Radeon RX 7xxx GPUs (#325)
• Improved the fix for inaccurate cursor clipping in DPI unaware mode (#319)
• Fixed missing ground textures in Carnivores on some GPUs (#320)
• Fixed stuttering fullscreen presentation in some cases (#298)
• Fixed a window clipping issue when moving dialog boxes in Close Combat 4
• Fixed a performance issue with windowed fullscreen GDI presentation on some systems (#273)
• Fixed oversized dialog windows (except non-client area) in some fullscreen games in DPI aware mode
• Fixed mispositioned trackbar sliders in Red Alert 2 in DPI aware mode
• Fixed ColorKeyMethod=alphatest not working on some textures in Carnivores
• Fixed broken presentation after switching from fullscreen to windowed mode in some games
• Fixed a deadlock when alt-tabbing in Star Trek: Armada with the config overlay open
• Fixed hotkeys not working in some games that use DirectInput 8
• Fixed presentation in some palettized fullscreen games, e.g. Carmen Sandiego's Great Chase Through Time
• Fixed incorrect texture filtering applied in some cases, e.g. to trees in Carnivores
• Fixed invisble network detection window in Empire Earth NeoEE (#251)

Updated configuration settings:

• StatsRows: ddiusage was removed from the default value to improve performance

New configuration settings:

• GdiStretchBltMode
• VertexFixup

Update (October 6, 2024): The v0.5.2-17-g291e50ac and older builds in the DDrawCompat-v0.5.3-debug-previous-builds.7z asset were broken by the Windows 11 24H2 update. Patched builds have been added with the DDrawCompat-v0.5.3-debug-previous-builds-win11-24h2.7z asset to resolve the issue by backporting the following commit: 89b2a63. See diff.txt in the new builds for the exact changes. v0.5.2-18-g89b2a631 and newer builds are also included for completeness' sake. These were simply recompiled without source code changes.

DDrawCompat v0.5.2

General changes:

• Fixed incompatibilities with Empire Earth NeoEE mod (#251)
• Fixed black screen and ClipCursor issues in Mig Alley main menu
• Fixed main menu issues with WinZMod (#196)
• Fixed sporadic crashes caused by registry hooks
• Fixed Dark Earth screen transition effects (#260)
• Fixed invisible menu buttons after alt-tabbing in Red Alert 2 (#262)
• Fixed slow loading of Skirmish menu in Red Alert 2 (#288)
• Fixed broken keyboard input in some games (#254)
• Fixed a GDI resource leak when NVIDIA overlay is enabled (#282)
• Fixed video playback issues in Prince of Persia 3D (#273)
• Fixed Intel Indeo Video codec support on Windows 7 (#274)
• Fixed display driver timeouts caused by invalid FPU state (#293)
• Fixed rendering issues caused by custom viewports on AMD GPUs (#290)
• Fixed sporadic deadlocks in some games when alt-tabbing
• Fixed handling of invalid alpharef render state value on old Intel drivers (#295)
• Fixed flashing screen in Glover (#295)
• Fixed inaccurate cursor clipping in DPI unaware mode
• Fixed some display issues when using D3D9On12 with a RenderColorDepth setting not matching the application's color depth
• When ForceD3D9On12 is off, Intel GPUs that use D3D9On12 by default will now try to use igd9trinity32.dll instead
• Available surface formats now include all DX9 formats (#259)
• Added support for Steam overlay in fullscreen mode

Updated configuration settings:

• AltTabFix: merged keepwithmemnp into keepvidmem as a parameter, added noactivateapp option
• RenderColorDepth: default value changed to 32

New configuration settings:

• SurfacePatches

Update (October 6, 2024): This release was broken by the Windows 11 24H2 update. Patched builds have been added with the win11-24h2 suffix to resolve the issue by backporting the following commit: 89b2a63. See diff.txt in the new builds for the exact changes.

DDrawCompat v0.5.1

This release fixes some issues introduced in v0.5.0:

• Fixed an issue that made DDrawCompat unusable with Intel GPU drivers (#255, #256)
• Fixed the DisplayFilter=point setting not working as expected (#252)
• Reverted a small fix that could cause a crash (#256)

Update (October 6, 2024): This release was broken by the Windows 11 24H2 update. Patched builds have been added with the win11-24h2 suffix to resolve the issue by backporting the following commit: 89b2a63. See diff.txt in the new builds for the exact changes.

DDrawCompat v0.5.0

General changes:

• Fixed crashes when loading hooks on Windows 7 (#149)
• Fixed a crash caused by a clipper reference counting error
• Fixed texture creation errors in Extreme-G 2 (#159)
• Fixed a GDI resource leak and other issues with emulated hardware cursors (#148, #152)
• Fixed several crashes and other issues related to D3D9On12
• Fixed QuickTime videos in Carmen Sandiego series (#156)
• Fixed a black screen issue when app resolution is higher than display resolution
• Fixed a deadlock when exiting Age of Wonders (#167)
• Disabled timer resolution throttling to fix some stuttering issues
• Fixed occasional deadlocks when alt-tabbing
• Added emulation of unsupported render target formats to fix NVIDIA rendering issues in Midtown Madness 2 (#159)
• Fixed palettized color fills on NVIDIA GPUs (#201)
• Fixed HUD glitches in Jane's FA-18 (#175)
• Fixed black briefing screen in StarCraft (#206)
• Fixed a deadlock when using resolution scaling (#197)
• Fixed a crash in CreateDIBitmap when BITMAPINFO is null
• Reverted sRGB gamma correction on bilinear blits that was accidentally introduced in v0.4.0 (#208)
• Fixed incorrect detection of default gamma ramps and a crash related to using non-default gamma ramps (#216)
• Fixed invisible dialog windows in RollerCoaster Tycoon (#225)
• Clicking on the scroll bar shafts in the config overlay now scrolls by 5% instead of jumping immediately to the cursor position
• Windows compatibility shims can no longer override the FullscreenMode=borderless setting to exclusive (#235)
• Reduced screen flickering during temporary display mode changes in fullscreen mode
• Fixed most of the cursor trail issues in Lego Loco (#179)
• Intel Indeo Video codecs are now automatically enabled for processes running with DDrawCompat
• Fixed a crash in Colin McRae Rally (#232)
• Fixed software rendered palettized textures when the PalettizedTextures setting is set to off
• Added a workaround for OBS window recording: use a target window whose title begins with the "[DDrawCompat]" prefix (#109)
• Fixed taskbar thumbnails (#231)
• Improved support for DPI unaware mode on high DPI displays
• DirectDraw no longer forces the high DPI aware compatibility setting on the executable when it enters fullscreen mode
• Broken tooltip fade animations are now replaced with the classic slide animations
• DPI scaling no longer affects emulated hardware cursors, which resulted in oversized cursors
• Fixed FlipToGDISurface result code when the GDI surface is already active (#204)
• Maximum reported disk space is limited to 2GB to fix some applications getting a "not enough free disk space" error
• Fixed an occasional crash caused by resolution scaling when alt-tabbing in Need for Speed III
• Added support for depth fill blits on NVIDIA GPUs
• Depth fills now work correctly with antialiased and resolution scaled depth buffers
• Fixed hotkeys not working in some cases
• Added a configuration file with default settings (commented out) in the Tools directory of the source code
• Added a stats overlay (see new settings starting with the Stats prefix below)

Updated configuration settings:

• AltTabFix: added keepvidmemnp option
• ConfigHotKey: added alt and ctrl as synonyms for menu and control respectively
• DisplayFilter: added bicubic, lanczos and spline options
• PalettizedTextures: default value changed to off
• RenderColorDepth: added appd8, appd10, 16d8, 16d10 and 32d10 options

New configuration settings:

• ColorKeyMethod
• ConfigRows
• ConfigTransparency
• CpuAffinityRotation
• CrashDump
• DepthFormat
• DesktopResolution
• DisplayAspectRatio
• StatsColumns
• StatsAggregateTime
• StatsHotKey
• StatsPosX
• StatsPosY
• StatsRows
• StatsTransparency
• StatsUpdateRate
• SupportedDepthFormats
• SupportedTextureFormats
• TerminateHotKey
• VertexBufferMemoryType

Update (October 6, 2024): This release was broken by the Windows 11 24H2 update. Patched builds have been added with the win11-24h2 suffix to resolve the issue by backporting the following commit: 89b2a63. See diff.txt in the new builds for the exact changes.

DDrawCompat v0.4.0

• Fixed hooking of delay-loaded DLL functions (#99)
• GDI redirection is now restricted to the main monitor in fullscreen mode, which fixes display issues with games not respecting surface pitch (#110)
• Fixed conflicts with outdated versions of DbgHelp.dll shipping with some games
• Fixed performance issues caused by D3DKMTWaitForVerticalBlankEvent on Windows 7 (#120)
• Prevent Windows 7 from dynamically disabling desktop composition, which fixes main menu flickering in Rogue Spear (#126)
• Added a partial workaround for a bug affecting NVIDIA drivers, where black texels were treated as transparent even when color keying was disabled for the texture stage
• Fixed an issue with the application taskbar button sometimes remaining in the taskbar after exiting the application
• Added a file-based configuration system and an in-game config overlay (see the wiki for details)
• Removed the ReleaseWithDebugLogs build type, since LogLevel is now configurable
• New configuration options:
  • AlignSysMemSurfaces
  • AlternatePixelCenter
  • AltTabFix
  • Antialiasing
  • BltFilter
  • ConfigHotkey
  • CpuAffinity
  • DesktopColorDepth
  • DisplayFilter
  • DisplayRefreshRate
  • DisplayResolution
  • DpiAwareness
  • FontSmoothing
  • ForceD3D9On12
  • FpsLimiter
  • FullscreenMode
  • LogLevel
  • PalettizedTextures
  • RemoveBorders
  • RenderColorDepth
  • ResolutionScale
  • ResolutionScaleFilter
  • SoftwareDevice
  • SpriteDetection
  • SpriteFilter
  • SpriteTexCoord
  • SupportedResolutions
  • TextureFilter
  • ThreadPriorityBoost
  • VSync
  • WinVersionLie

Update (October 6, 2024): This release was broken by the Windows 11 24H2 update. Patched builds have been added with the win11-24h2 suffix to resolve the issue by backporting the following commit: 89b2a63. See diff.txt in the new builds for the exact changes.

DDrawCompat v0.3.2

• Fixed a deadlock when loading DDrawCompat on Windows 11 22H2

Update (October 6, 2024): This release was broken by the Windows 11 24H2 update. Patched builds have been added with the win11-24h2 suffix to resolve the issue by backporting the following commit: 89b2a63. See diff.txt in the new builds for the exact changes.

DDrawCompat v0.3.1

• Fixed/reduced mouse cursor flickering in Icewind Dale 2 and The Nations Gold (#91)
• Fixed disabled buttons not showing up in Gangsters: Organized Crime (#95)
• Fixed misaligned splash window background in Star Trek: Armada (#94).
• Fixed a crash caused by implicit release of clippers in Conquest: Frontier Wars and Midtown Madness 1 (#96, #97)
• Fixed a crash caused by index buffer overflow in Laghaim (#98)
• Fixed a crash at startup in the Debug build (#96)
• Added support for unicode file paths (for logging)

Update (October 6, 2024): This release was broken by the Windows 11 24H2 update. Patched builds have been added with the win11-24h2 suffix to resolve the issue by backporting the following commit: 89b2a63. See diff.txt in the new builds for the exact changes.

DDrawCompat v0.3.0

• Removed dependency on Detours. Starting from this release, binary releases use the same license as the source code: BSD Zero Clause License
• WDDM graphics drivers are now a requirement (only affects Windows Vista and 7, which would otherwise still support the legacy XPDM drivers)
• Changed log file name to DDrawCompat-ExeName[InstanceId].log
• Added support for some alternative hooking methods (see the Wiki for details)
• Added support for large 3D resolutions (above 2k pixels)
• Improved Direct3D performance in many games
• GDI interworking is now also enabled in windowed mode
• Fixed many GDI and palette related display glitches
• Fixed some incompatibilities with Steam overlay
• Fixed some driver issues causing display glitches in some games
• Other miscellaneous bug fixes

Update (October 6, 2024): This release was broken by the Windows 11 24H2 update. Patched builds have been added with the win11-24h2 suffix to resolve the issue by backporting the following commit: 89b2a63. See diff.txt in the new builds for the exact changes.

DDrawCompat v0.2.1

• Fixed hangups on display mode switches and GDI interactions
• Fixed Alt-Tab issue in some games where the desktop remained black when the game was minimized
• Fixed performance issues when V-sync was forced on by driver settings
• Fixed most of the remaining graphical issues in StarCraft's Battle.net interface
• Fixed a crash in Blood 2 when opening the display settings from the launcher