marko10_000
/
wine-wine
forked from Mirrors/wine-wine
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

d3d8: Map ZBIAS values to a smaller depth range.

oldstable
Stefan Dösinger 2011-05-08 17:21:15 +02:00 committed by Alexandre Julliard
parent 362a7d571e
commit 7b1e081515
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
dlls/d3d8/device.c
View File

@ -1466,6 +1466,12 @@ static HRESULT WINAPI IDirect3DDevice8Impl_GetClipPlane(IDirect3DDevice8 *iface,
return hr;
}
/* This factor is the result of a trial-and-error search. Both ZBIAS and DEPTHBIAS require
* guesswork by design. d3d9 apps usually use a DEPTHBIAS of -0.00002(Mass Effect 2, WoW).
* d3d8 apps(Final Fantasy XI) set ZBIAS to 15 and still expect the depth test to sort
* objects properly. */
static const float zbias_factor = -0.000005f;
static HRESULT WINAPI IDirect3DDevice8Impl_SetRenderState(IDirect3DDevice8 *iface,
D3DRENDERSTATETYPE State, DWORD Value)
{
@ -1483,7 +1489,7 @@ static HRESULT WINAPI IDirect3DDevice8Impl_SetRenderState(IDirect3DDevice8 *ifac
switch (State)
{
case D3DRS_ZBIAS:
wined3d_value.f = Value / -16.0f;
wined3d_value.f = Value * zbias_factor;
hr = IWineD3DDevice_SetRenderState(This->WineD3DDevice, WINED3DRS_DEPTHBIAS, wined3d_value.d);
break;
@ -1513,7 +1519,7 @@ static HRESULT WINAPI IDirect3DDevice8Impl_GetRenderState(IDirect3DDevice8 *ifac
{
case D3DRS_ZBIAS:
hr = IWineD3DDevice_GetRenderState(This->WineD3DDevice, WINED3DRS_DEPTHBIAS, &wined3d_value.d);
if (SUCCEEDED(hr)) *pValue = -wined3d_value.f * 16.0f;
if (SUCCEEDED(hr)) *pValue = wined3d_value.f / zbias_factor;
break;
default: