DXGL is currently a work-in-progress and is currently considered alpha-quality software..

See DXGL Features for detailed information.

See Version history from the downloads section for release information and previous version downloads.

Also see DXGL Test Results for some detailed tests performed occasionally.

What works:

  • DirectDraw object creation and destruction (versions 1 to 7)
  • Display mode enumeration and switching (with emulated mode switching)
  • Fullscreen and windowed modes.
  • Basic Blt() functionality
  • 8-bit color emulated with GLSL shader

What partially works:

  • 3D graphics are only partially supported.

What doesn't work:

  • Many functions are stubbed out and return an error


These are goals to be set for future releases. This is completely subject to change at any time.

  • 0.5.15
Fix DXGL Config compatibility with Stardock WindowBlinds: 100% complete
Support VS2017 compiler, SSE2/Vista+ build: 100% complete
Support Windows 10 1607 DPI awareness: 75% complete
Add documentation for DXGL Test graphics tests, online and offline: 0% complete
Add "Restore defaults" button to DXGL Config: 0% complete
Support palette fading without updating primary: 0% complete
Replace checkboxes in Hacks tab list with combo boxes and edit controls: 0% complete
Improve 512x448 to 640x480 scaling for Zelda Classic compatibility: 0% complete
  • 0.5.x
Add mipmap surfaces: 95% complete
Support D3D2 textures: 95% complete
Isolate API from backend threads: 95% complete
Add depth buffer fill: 90% complete
Fix reference counts: 90% complete
Implement D3D execute buffers: 75% complete
Rework D3DTLVERTEX rendering: 50% complete
Add software T&L for execute buffers: 50% complete
Fix resource leaks: 25% complete
Improve DDraw API: 15% complete
Group renderer commands into batches: 10% complete
Add client memory surfaces: 10% complete
Improve D3D backend: 1% complete
Postprocess scaling for change mode with fallback: 0% complete
Fix first frame not being drawn when postprocess scaling is enabled.: 0% complete
Improve filtered color key Blt(): 0% complete
Add framerate limiter: 0% complete
Improve fog support: 0% complete
Add multisampling: 0% complete
Precompile generated shaders used in previous sessions: 0% complete
Fix 16-bit 565 surfaces on ATI Radeon X300 series: 0% complete
Fix clippers on NVIDIA GeForce 6 series GPU: 0% complete
Fix 8-bit color with Mesa software renderer and Geforce 6 series: 0% complete
  • 0.6.x
Add DXGL loader stub to fix programs that demand ddraw.dll from system32: 0% complete
  • Future
Support multiple DirectDraw drivers per process: 75% complete
Validate DDraw parameters: 75% complete
Support surface color depths: 75% complete
Compatibility with and support for Windows 10 Sets [ON HOLD]: 50% complete
Support NULL HWND: 25% complete
Implement and improve API functions: 25% complete
Convert from C++ to C: 19% complete
Support GCC/MinGW compilation: 5% complete
Hook mouse APIs - GetCursorPos, SetCursorPos, ClipCursor, GetClipCursor, GetCursorInfo: 1% complete
Support PBO texture transfer: 0% complete
Add optimized texture color conversion: 0% complete
Advanced VSync support: 0% complete
Hook GDI palette function: 0% complete
Workaround for Windows 10 Creators Edition "System (Enhanced)" scaling, if necessary: 0% complete
Support scaling of windowed modes: 0% complete
Create Doxygen documentation [MAYBE]: 5% complete
Support configuring old/legacy DXGL versions [MAYBE]: 0% complete