DXGL Features
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API
ddraw.dll functions
| Function | Implemented | Notes |
|---|---|---|
| DirectDrawCreate | Partial | Only supports primary display |
| DirectDrawCreateEx | Partial | Same as DirectDrawCreate |
| DirectDrawCreateClipper | Yes | |
| DirectDrawEnumerateA | Partial | |
| DirectDrawEnumerateW | Partial | |
| DirectDrawEnumerateExA | Partial | |
| DirectDrawEnumerateExW | Partial |
Supports other DirectDrawEnumerate functions Only returns Primary Display Driver |
| DllCanUnloadNow | No | Returns S_FALSE |
| DllGetClassObject | Yes |
IClassFactory functions
| Function | Implemented | Notes |
|---|---|---|
| AddRef | Yes | |
| CreateInstance | Yes | |
| LockServer | Yes | |
| QueryInterface | Yes | |
| Release | Yes |
IDirectDraw functions
| Function | Implemented | Notes |
|---|---|---|
| Compact | N/A | Not implemented in "real" DirectDraw. |
| CreteClipper | Yes | |
| CreatePalette | Partial | Creates color palettes but not index palettes. |
| CreateSurface | Partial | See other tables |
| DuplicateSurface | Yes | |
| EnumDisplayModes | Yes | Enhanced with extra modes and color depths |
| EnumSurfaces | Yes | |
| EvaluateMode | No | |
| FlipToGDISurface | Broken | Currently crashes program |
| GetAvailableVidMem | Partial | Returns available process memory |
| GetCaps | Yes | See caps tables |
| GetDeviceIdentifier | Partial | Creates "dummy" identifier |
| GetDisplayMode | Yes | |
| GetFourCCCodes | No | |
| GetGDISurface | No | |
| GetMonitorFrequency | Partial | Only supports primary display |
| GetScanLine | No | |
| GetSurfaceFromDC | No | |
| GetVerticalBlankStatus | No | |
| Initialize | Yes | |
| RestoreAllSurfaces | Yes | Order of restoration not guaranteed |
| RestoreDisplayMode | Broken | Has no effect under certain circumstances |
| SetCooperativeLevel | Partial | Does not restore window when leaving fullscreen |
| SetDisplayMode | Yes | Enhanced with extra modes and color depths |
| StartModeTest | No | |
| TestCooperativeLevel | Yes | |
| WaitForVerticalBlank | Partial | Timing not correct |
IDirectDrawClipper functions
| Function | Implemented | Notes |
|---|---|---|
| GetClipList | Partial | Not working correctly with hWnd |
| GetHWnd | Yes | |
| Initialize | Yes | |
| IsClipListChanged | No | |
| SetClipList | Yes | |
| SetHWnd | Yes |
IDirectDrawColorControl functions
Not yet implemented
IDirectDrawGammaControl functions
Not yet implemented
IDirectDrawPalette functions
| Function | Implemented | Notes |
|---|---|---|
| GetCaps | Yes | |
| GetEntries | Yes | |
| Initialize | Yes | Always returns DDERR_ALREADYINITIALIZED |
| SetEntries | Yes |
IDirectDrawSurface functions
| Function | Implemented | Notes |
|---|---|---|
| AddAttachedSurface | Partial | Can only attach one Z buffer. |
| AddOverlayDirtyRect | No | |
| Blt | Partial | Partial support for DDBLTFX |
| BltBatch | No | Unimplemented in Microsoft DDraw |
| BltFast | Yes | Wrapper for Blt function |
| ChangeUniquenessValue | No | |
| DeleteAttachedSurface | Partial | Can only attach one Z buffer. |
| EnumAttachedSurfaces | Partial | Enumerates currently supported attachments. |
| EnumOverlayZOrders | No | |
| Flip | Yes | |
| FreePrivateData | No | |
| GetAttachedSurface | Partial | Gets backbuffer or zbuffer only. |
| GetBltStatus | Partial | Returns DD_OK |
| GetCaps | Yes | |
| GetClipper | No | |
| GetColorKey | Yes | |
| GetDC | Partial | Currently slow |
| GetDDInterface | Yes | |
| GetFlipStatus | No | |
| GetLOD | No | |
| GetOverlayPosition | No | |
| GetPalette | Yes | |
| GetPixelFormat | Yes | |
| GetPriority | No | |
| GetPrivateData | No | |
| GetSurfaceDesc | Yes | |
| GetUniquenessValue | No | |
| Initialize | Yes | Always returns DDERR_ALREADYINITIALIZED |
| IsLost | Yes | |
| Lock | Partial | Does not support multiple rects |
| PageLock | Yes | Only increments an internal counter |
| PageUnlock | Yes | Only decrements an internal counter |
| ReleaseDC | No | Currently inefficient |
| Restore | Partial | Possibly unstable |
| SetClipper | Yes | |
| SetColorKey | Yes | |
| SetLOD | No | |
| SetOverlayPosition | No | |
| SetPalette | Yes | |
| SetPriority | No | |
| SetPrivateData | No | |
| SetSurfaceDesc | No | |
| Unlock | No | Does not support multiple rects |
| UpdateOverlay | No | |
| UpdateOverlayDisplay | No | Not implemented in Microsoft DDraw |
| UpdateOverlayZOrder | No |
IDDVideoPortContainer functions
Not yet implemented
IDirectDrawVideoPort functions
Not yet implemented
IDirect3D functions
Currently only IDirect3D7 and IDirect3D3 are supported.
| Function | Implemented | Notes |
|---|---|---|
| CreateDevice | Yes | |
| CreateLight | Yes | |
| CreateMaterial | Yes | |
| CreateVertexBuffer | Partial | Vertex buffers do not work yet. |
| CreateViewport | Yes | |
| EnumDevices | Yes | |
| EnumZBufferFormats | Partial | Formats not yet validated |
| EvictManagedTextures | No | |
| FindDevice | Yes |
IDirect3DDevice functions
Currently only IDirect3DDevice7 and IDirect3DDevice3 are supported.
| Function | Implemented | Notes |
|---|---|---|
| AddViewport | Yes | |
| Begin | No | |
| BeginIndexed | No | |
| ApplyStateBlock | No | |
| BeginScene | Yes | |
| BeginStateBlock | No | |
| CaptureStateBlock | No | |
| CreateStateBlock | No | |
| Clear | Yes | |
| ComputeSphereVisibility | No | |
| DeleteStateBlock | No | |
| DeleteViewport | Yes | |
| DrawIndexedPrimitive | Partial | Shader generator in development |
| DrawIndexedPrimitiveStrided | No | |
| DrawIndexedPrimitiveVB | No | |
| DrawPrimitive | Partial | Shader generator in development |
| DrawPrimitiveStrided | No | |
| DrawPrimitiveVB | No | |
| End | No | |
| EndScene | Yes | |
| EndStateBlock | No | |
| EnumTextureFormats | Partial | Only some formats supported |
| GetCaps | Partial | |
| GetClipPlane | No | |
| GetClipStatus | No | |
| GetCurrentViewport | Yes | |
| GetDirect3D | Yes | |
| GetInfo | No | |
| GetLight | No | |
| GetLightEnable | No | |
| GetLightState | Yes | |
| GetMaterial | Yes | |
| GetRenderState | Yes | |
| GetRenderTarget | Broken | Winetest fails to get proper render target. |
| GetStateData | No | Not in system D3D |
| GetStats | No | |
| GetTexture | Yes | |
| GetTexureStageState | Yes | |
| GetTransform | Partial | Supports world, view, and projection only |
| GetViewport | Yes | |
| Index | No | |
| LightEnable | Yes | |
| Load | No | |
| MultiplyTransform | No | |
| NextViewport | No | |
| PreLoad | No | |
| SetClipPlane | No | |
| SetClipStatus | No | |
| SetCurrentViewport | Yes | |
| SetLight | Yes | |
| SetMaterial | Yes | |
| SetRenderState | Partial | Only supports some states. |
| SetRenderTarget | Yes | |
| SetStateData | No | Not in system D3D |
| SetTexture | Yes | |
| SetTextureStageState | Yes | |
| SetTransform | Partial | Supports world, view, and projection only |
| SetViewport | Partial | Doesn't validate parameters; Z values not used |
| ValidateDevice | Yes | |
| Vertex | No |
IDirect3DExecuteBuffer functions
Not yet implemented
IDirect3DLight functions
| Function | Implemented | Notes |
|---|---|---|
| GetLight | Yes | |
| SetLight | Yes |
IDirect3DMaterial functions
| Function | Implemented | Notes |
|---|---|---|
| GetHandle | Yes | |
| GetMaterial | Yes | |
| SetMaterial | Yes |
IDirect3DTexture functions
| Function | Implemented | Notes |
|---|---|---|
| GetHandle | No | |
| Load | No | |
| PaletteChanged | No |
IDirect3DVertexBuffer functions
| Function | Implemented | Notes |
|---|---|---|
| GetVertexBufferDesc | Yes | |
| Lock | No | |
| Optimize | No | |
| ProcessVertices | No | |
| ProcessVerticesStrided | No | |
| Unlock | No |
IDirect3DViewport functions
| Function | Implemented | Notes |
|---|---|---|
| AddLight | Yes | |
| Clear | Yes | |
| Clear2 | Yes | |
| DeleteLight | Yes | |
| GetBackground | Yes | |
| GetBackgroundDepth | Yes | |
| GetBackgroundDepth2 | Yes | |
| GetViewport | Yes | |
| GetViewport2 | Yes | |
| LightElements | No | Not implemented in system D3D |
| NextLight | No | |
| SetBackground | Yes | |
| SetBackgroundDepth | Yes | |
| SetBackgroundDepth2 | Yes | |
| SetViewport | Partial | Some parameters not yet supported. |
| SetViewport2 | Partial | Some parameters not yet supported. |
| TransformVertices | No |
Capabilites
DDCAPS
| Member | Implemented | Notes |
|---|---|---|
| dwSize | Yes | |
| dwCaps | Partial | |
| dwCaps2 | Partial | |
| dwCKeyCaps | Partial | |
| dwFXCaps | Partial | |
| dwFXAlphaCaps | No | |
| dwPalCaps | Partial | |
| dwSVCaps | No | |
| dwAlphaBltConstBitDepths | No | |
| dwAlphaBltPixelBitDepths | No | |
| dwAlphaBltSurfaceBitDepths | No | |
| dwAlphaOverlayConstBitDepths | No | |
| dwAlphaOverlayPixelBitDepths | No | |
| dwAlphaOverlaySurfaceBitDepths | No | |
| dwZBufferBitDepths | No | |
| dwVidMemTotal | No | |
| dwVidMemTotal | No | |
| dwMaxVisibleOverlays | 0 | |
| dwCurrVisibleOverlays | No | |
| dwNumFourCCCodes | 0 | |
| dwAlignBoundarySrc | No | |
| dwAlignSizeSrc | No | |
| dwAlignBoundaryDest | No | |
| dwAlignSizeDest | No | |
| dwAlignStrideAlign | No | |
| dwRops[DD_ROP_SPACE] | Partial | |
| ddsOldCaps | Partial | |
| dwMinOverlayStretch | No | |
| dwMaxOverlayStretch | No | |
| dwMinLiveVideoStretch | No | |
| dwMaxLiveVideoStretch | No | |
| dwMinHwCodecStretch | No | |
| dwMaxHwCodecStretch | No | |
| dwReserved1 | N/A | placeholder |
| dwReserved2 | N/A | placeholder |
| dwReserved3 | N/A | placeholder |
| dwSVBCaps | No | |
| dwSVBCKeyCaps | No | |
| dwSVBFXCaps | No | |
| dwSVBRops[DD_ROP_SPACE] | Partial | |
| dwVSBCaps | No | |
| dwVSBCKeyCaps | No | |
| dwVSBFXCaps | No | |
| dwVSBRops[DD_ROP_SPACE] | Partial | |
| dwSSBCaps | No | |
| dwSSBCKeyCaps | No | |
| dwSSBFXCaps | No | |
| dwSSBRops[DD_ROP_SPACE] | Partial | |
| dwMaxVideoPorts | 0 | |
| dwCurrVideoPorts | 0 | |
| dwSVBCaps2 | No | |
| dwNLVBCaps | No | |
| dwNLVBCaps2 | No | |
| dwNLVBCKeyCaps | No | |
| dwNLVBFXCaps | No | |
| dwNLVBRops[DD_ROP_SPACE] | Partial | |
| ddsCaps | Partial |
DDCAPS.dwCaps
| Bit | Set | Notes |
|---|---|---|
| DDCAPS_3D | Yes | |
| DDCAPS_ALIGNBOUNDARYDEST | No | |
| DDCAPS_ALIGNBOUNDARYSRC | No | |
| DDCAPS_ALIGNSIZEDEST | No | |
| DDCAPS_ALIGNSIZESRC | No | |
| DDCAPS_ALIGNSTRIDE | No | |
| DDCAPS_ALPHA | No | |
| DDCAPS_BANKSWITCHED | No | |
| DDCAPS_BLT | Partial | Blt() is not yet complete. |
| DDCAPS_BLTCOLORFILL | Yes | |
| DDCAPS_BLTDEPTHFILL | No | |
| DDCAPS_BLTFOURCC | No | |
| DDCAPS_BLTQUEUE | No | |
| DDCAPS_BLTSTRETCH | Yes | |
| DDCAPS_CANBLTSYSMEM | Yes | Irrelevent in DXGL's current architecture. |
| DDCAPS_CANCLIP | Yes | |
| DDCAPS_CANCLIPSTRETCHED | Yes | |
| DDCAPS_COLORKEY | Yes | |
| DDCAPS_COLORKEYHWASSIST | No | |
| DDCAPS_GDI | Partial | Can create DC's |
| DDCAPS_NOHARDWARE | No | |
| DDCAPS_OVERLAY | No | |
| DDCAPS_OVERLAYCANTCLIP | No | |
| DDCAPS_OVERLAYFOURCC | No | |
| DDCAPS_OVERLAYSTRETCH | No | |
| DDCAPS_PALETTE | Yes | |
| DDCAPS_PALETTEVSYNC | No | |
| DDCAPS_READSCANLINE | Partial | Simulated with a timer |
| DDCAPS_VBI | No | |
| DDCAPS_ZBLTS | No | |
| DDCAPS_ZOVERLAYS | No |
DDCAPS.dwCaps2
| Bit | Set | Notes |
|---|---|---|
| DDCAPS2_AUTOFLIPOVERLAY | No | |
| DDCAPS2_CANBOBHARDWARE | No | |
| DDCAPS2_CANBOBINTERLEAVED | No | |
| DDCAPS2_CANBOBNONINTERLEAVED | No | |
| DDCAPS2_CANCALIBRATEGAMMA | No | |
| DDCAPS2_CANDROPZ16BIT | No | |
| DDCAPS2_CANFLIPODDEVEN | No | |
| DDCAPS2_CANMANAGETEXTURE | No | |
| DDCAPS2_CANRENDERWINDOWED | Yes | |
| DDCAPS2_CERTIFIED | No | |
| DDCAPS2_COLORCONTROLPRIMARY | No | |
| DDCAPS2_COLORCONTROLOVERLAY | No | |
| DDCAPS2_COPYFOURCC | No | |
| DDCAPS2_FLIPINTERVAL | Yes | |
| DDCAPS2_FLIPNOVSYNC | Yes | |
| DDCAPS2_NO2DDURING3DSCENE | No | |
| DDCAPS2_NONLOCALVIDMEM | Yes | |
| DDCAPS2_NONLOCALVIDMEMCAPS | No | |
| DDCAPS2_NOPAGELOCKREQUIRED | Yes | |
| DDCAPS2_PRIMARYGAMMA | No | |
| DDCAPS2_STEREO | No | |
| DDCAPS2_TEXMANINNONLOCALVIDMEM | No | |
| DDCAPS2_VIDEOPORT | No | |
| DDCAPS2_WIDESURFACES | Yes |
DDCAPS.dwCKeyCaps
| Bit | Set | Notes |
|---|---|---|
| DDCKEYCAPS_DESTBLT | Yes | |
| DDCKEYCAPS_DESTBLTCLRSPACE | No | |
| DDCKEYCAPS_DESTBLTCLRSPACEYUV | No | |
| DDCKEYCAPS_DESTBLTYUV | No | |
| DDCKEYCAPS_DESTOVERLAY | No | |
| DDCKEYCAPS_DESTOVERLAYCLRSPACE | No | |
| DDCKEYCAPS_DESTOVERLAYCLRSPACEYUV | No | |
| DDCKEYCAPS_DESTOVERLAYONEACTIVE | No | |
| DDCKEYCAPS_DESTOVERLAYYUV | No | |
| DDCKEYCAPS_NOCOSTOVERLAY | No | |
| DDCKEYCAPS_SRCBLT | Yes | |
| DDCKEYCAPS_SRCBLTCLRSPACE | No | |
| DDCKEYCAPS_SRCBLTCLRSPACEYUV | No | |
| DDCKEYCAPS_SRCBLTYUV | No | |
| DDCKEYCAPS_SRCOVERLAY | No | |
| DDCKEYCAPS_SRCOVERLAYCLRSPACE | No | |
| DDCKEYCAPS_SRCOVERLAYCLRSPACEYUV | No | |
| DDCKEYCAPS_SRCOVERLAYONEACTIVE | No | |
| DDCKEYCAPS_SRCOVERLAYYUV | No |
DDCAPS.dwFXCaps
| Bit | Set | Notes |
|---|---|---|
| DDFXCAPS_BLTALPHA | No | |
| DDFXCAPS_BLTARITHSTRETCHY | No | |
| DDFXCAPS_BLTARITHSTRETCHYN | No | |
| DDFXCAPS_BLTFILTER | No | |
| DDFXCAPS_BLTMIRRORLEFTRIGHT | Yes | |
| DDFXCAPS_BLTMIRRORUPDOWN | Yes | |
| DDFXCAPS_BLTROTATION | No | |
| DDFXCAPS_BLTROTATION90 | Yes | |
| DDFXCAPS_BLTSHRINKX | Yes | |
| DDFXCAPS_BLTSHRINKXN | No | |
| DDFXCAPS_BLTSHRINKY | Yes | |
| DDFXCAPS_BLTSHRINKYN | No | |
| DDFXCAPS_BLTSTRETCHX | Yes | |
| DDFXCAPS_BLTSTRETCHXN | No | |
| DDFXCAPS_BLTSTRETCHY | Yes | |
| DDFXCAPS_BLTSTRETCHYN | No | |
| DDFXCAPS_BLTTRANSFORM | No | |
| DDFXCAPS_OVERLAYFILTER | No | |
| DDFXCAPS_OVERLAYMIRRORLEFTRIGHT | No | |
| DDFXCAPS_OVERLAYMIRRORUPDOWN | No | |
| DDFXCAPS_OVERLAYSHRINKX | No | |
| DDFXCAPS_OVERLAYSHRINKXN | No | |
| DDFXCAPS_OVERLAYSHRINKY | No | |
| DDFXCAPS_OVERLAYSHRINKYN | No | |
| DDFXCAPS_OVERLAYSTRETCHX | No | |
| DDFXCAPS_OVERLAYSTRETCHXN | No | |
| DDFXCAPS_OVERLAYSTRETCHY | No | |
| DDFXCAPS_OVERLAYSTRETCHYN | No | |
| DDFXCAPS_OVERLAYTRANSFORM | No |
DDCAPS.dwFXAlphaCaps
| Bit | Set | Notes |
|---|---|---|
| DDFXALPHACAPS_BLTALPHAEDGEBLEND | No | |
| DDFXALPHACAPS_BLTALPHAPIXELS | No | |
| DDFXALPHACAPS_BLTALPHAPIXELSNEG | No | |
| DDFXALPHACAPS_BLTALPHASURFACES | No | |
| DDFXALPHACAPS_BLTALPHASURFACESNEG | No | |
| DDFXALPHACAPS_OVERLAYALPHAEDGEBLEND | No | |
| DDFXALPHACAPS_OVERLAYALPHAPIXELS | No | |
| DDFXALPHACAPS_OVERLAYALPHAPIXELSNEG | No | |
| DDFXALPHACAPS_OVERLAYALPHASURFACES | No | |
| DDFXALPHACAPS_OVERLAYALPHASURFACESNEG | No |
DDCAPS.dwPalCaps
| Bit | Set | Notes |
|---|---|---|
| DDPCAPS_1BIT | No | |
| DDPCAPS_2BIT | No | |
| DDPCAPS_4BIT | No | |
| DDPCAPS_8BIT | Yes | |
| DDPCAPS_8BITENTRIES | No | |
| DDPCAPS_ALPHA | No | |
| DDPCAPS_ALLOW256 | No | |
| DDPCAPS_PRIMARYSURFACE | Yes | |
| DDPCAPS_PRIMARYSURFACELEFT | No | |
| DDPCAPS_VSYNC | No |
DDSCAPS2
| Member | Implemented | Notes |
|---|---|---|
| dwCaps | Partial | |
| dwCaps2 | Partial | |
| dwCaps3 | N/A | Only useful for D3D9+ |
| dwCaps4 | N/A | Only useful for D3D9+ |
DDSCAPS2.dwCaps
| Bit | Set | Notes |
|---|---|---|
| DDSCAPS_3D | N/A | Unused |
| DDSCAPS_3DDEVICE | Yes | |
| DDSCAPS_ALLOCONLOAD | N/A | |
| DDSCAPS_ALPHA | No | |
| DDSCAPS_BACKBUFFER | Yes | |
| DDSCAPS_COMPLEX | Partial | Only supports flipped surfaces |
| DDSCAPS_FLIP | Yes | |
| DDSCAPS_FRONTBUFFER | Yes | |
| DDSCAPS_HWCODEC | No | |
| DDSCAPS_LIVEVIDEO | No | |
| DDSCAPS_LOCALVIDMEM | Yes | Currently ignored. |
| DDSCAPS_MIPMAP | Yes | |
| DDSCAPS_MODEX | No | Bit is ignored |
| DDSCAPS_NONLOCALVIDMEM | Yes | Currently ignored. |
| DDSCAPS_OFFSCREENPLAIN | Yes | |
| DDSCAPS_OPTIMIZED | N/A | |
| DDSCAPS_OVERLAY | No | |
| DDSCAPS_OWNDC | No | |
| DDSCAPS_PALETTE | Partial | Only supports 256 color palettes. |
| DDSCAPS_PRIMARYSURFACE | Yes | |
| DDSCAPS_STANDARDVGAMODE | No | Bit is ignored. |
| DDSCAPS_SYSTEMMEMORY | Yes | Makes memory allocation occur at creation instead of first locking |
| DDSCAPS_TEXTURE | Yes | |
| DDSCAPS_VIDEOMEMORY | Yes | Copied to system memory when locked. |
| DDSCAPS_VIDEOPORT | No | |
| DDSCAPS_VISIBLE | No | |
| DDSCAPS_WRITEONLY | No | |
| DDSCAPS_ZBUFFER | No |
DDSCAPS2.dwCaps
| Bit | Set | Notes |
|---|---|---|
| DDSCAPS2_CUBEMAP | No | |
| DDSCAPS2_CUBEMAP_POSITIVEX | No | |
| DDSCAPS2_CUBEMAP_NEGATIVEX | No | |
| DDSCAPS2_CUBEMAP_POSITIVEY | No | |
| DDSCAPS2_CUBEMAP_NEGATIVEY | No | |
| DDSCAPS2_CUBEMAP_POSITIVEZ | No | |
| DDSCAPS2_CUBEMAP_NEGATIVEZ | No | |
| DDSCAPS2_CUBEMAP_ALLFACES | No | |
| DDSCAPS2_D3DTEXTUREMANAGE | No | |
| DDSCAPS2_DONOTPERSIST | No | |
| DDSCAPS2_HARDWAREDEINTERLACE | No | |
| DDSCAPS2_HINTANTIALIASING | No | |
| DDSCAPS2_HINTDYNAMIC | No | |
| DDSCAPS2_HINTSTATIC | No | |
| DDSCAPS2_MIPMAPSUBLEVEL | Yes | |
| DDSCAPS2_OPAQUE | No | |
| DDSCAPS2_STEREOSURFACELEFT | No | |
| DDSCAPS2_TEXTUREMANAGE | No |