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ddraw: Map ZBIAS values to a smaller depth range.

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Stefan Dösinger 2011-05-08 17:23:14 +02:00 committed by Alexandre Julliard
parent 7b1e081515
commit a1519e62f4
1 changed files with 4 additions and 2 deletions
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6
dlls/ddraw/device.c
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@ -2249,6 +2249,8 @@ static HRESULT WINAPI IDirect3DDeviceImpl_2_End(IDirect3DDevice2 *iface, DWORD d
* DDERR_INVALIDPARAMS if Value == NULL * DDERR_INVALIDPARAMS if Value == NULL
* *
*****************************************************************************/ *****************************************************************************/
static const float zbias_factor = -0.000005f;
static HRESULT static HRESULT
IDirect3DDeviceImpl_7_GetRenderState(IDirect3DDevice7 *iface, IDirect3DDeviceImpl_7_GetRenderState(IDirect3DDevice7 *iface,
D3DRENDERSTATETYPE RenderStateType, D3DRENDERSTATETYPE RenderStateType,
@ -2383,7 +2385,7 @@ IDirect3DDeviceImpl_7_GetRenderState(IDirect3DDevice7 *iface,
hr = IWineD3DDevice_GetRenderState(This->wineD3DDevice, hr = IWineD3DDevice_GetRenderState(This->wineD3DDevice,
WINED3DRS_DEPTHBIAS, WINED3DRS_DEPTHBIAS,
&wined3d_value.d); &wined3d_value.d);
if (SUCCEEDED(hr)) *Value = -wined3d_value.f * 16.0f; if (SUCCEEDED(hr)) *Value = wined3d_value.f / zbias_factor;
break; break;
} }
@ -2708,7 +2710,7 @@ IDirect3DDeviceImpl_7_SetRenderState(IDirect3DDevice7 *iface,
DWORD d; DWORD d;
float f; float f;
} wined3d_value; } wined3d_value;
wined3d_value.f = Value / -16.0; wined3d_value.f = Value * zbias_factor;
hr = IWineD3DDevice_SetRenderState(This->wineD3DDevice, hr = IWineD3DDevice_SetRenderState(This->wineD3DDevice,
WINED3DRS_DEPTHBIAS, WINED3DRS_DEPTHBIAS,
wined3d_value.d); wined3d_value.d);