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ddraw: Fix and clarify texture filter state mappings.

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This commit is contained in:
Henri Verbeet 2010-04-05 21:10:17 +02:00 committed by Alexandre Julliard
parent f41ee7cd0a
commit f97a9e3c0f
1 changed files with 74 additions and 15 deletions
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89
dlls/ddraw/device.c
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@ -2409,22 +2409,60 @@ IDirect3DDeviceImpl_7_GetRenderState(IDirect3DDevice7 *iface,
case D3DRENDERSTATE_TEXTUREMIN:
{
WINED3DTEXTUREFILTERTYPE tex_min;
WINED3DTEXTUREFILTERTYPE tex_mip;
hr = IWineD3DDevice_GetSamplerState(This->wineD3DDevice,
0, WINED3DSAMP_MINFILTER,
&tex_min);
0, WINED3DSAMP_MINFILTER, &tex_min);
if (FAILED(hr))
{
LeaveCriticalSection(&ddraw_cs);
return hr;
}
hr = IWineD3DDevice_GetSamplerState(This->wineD3DDevice,
0, WINED3DSAMP_MIPFILTER, &tex_mip);
switch (tex_min)
{
case WINED3DTEXF_POINT:
*Value = D3DFILTER_NEAREST;
switch (tex_mip)
{
case WINED3DTEXF_NONE:
*Value = D3DFILTER_NEAREST;
break;
case WINED3DTEXF_POINT:
*Value = D3DFILTER_MIPNEAREST;
break;
case WINED3DTEXF_LINEAR:
*Value = D3DFILTER_LINEARMIPNEAREST;
break;
default:
ERR("Unhandled mip filter %#x.\n", tex_mip);
*Value = D3DFILTER_NEAREST;
break;
}
break;
case WINED3DTEXF_LINEAR:
*Value = D3DFILTER_LINEAR;
switch (tex_mip)
{
case WINED3DTEXF_NONE:
*Value = D3DFILTER_LINEAR;
break;
case WINED3DTEXF_POINT:
*Value = D3DFILTER_MIPLINEAR;
break;
case WINED3DTEXF_LINEAR:
*Value = D3DFILTER_LINEARMIPLINEAR;
break;
default:
ERR("Unhandled mip filter %#x.\n", tex_mip);
*Value = D3DFILTER_LINEAR;
break;
}
break;
default:
ERR("Unhandled texture mag %d !\n",tex_min);
*Value = 0;
ERR("Unhandled texture min filter %#x.\n",tex_min);
*Value = D3DFILTER_NEAREST;
break;
}
break;
}
@ -2652,22 +2690,39 @@ IDirect3DDeviceImpl_7_SetRenderState(IDirect3DDevice7 *iface,
/* Some render states need special care */
switch(RenderStateType)
{
/*
* The ddraw texture filter mapping works like this:
* D3DFILTER_NEAREST Point min/mag, no mip
* D3DFILTER_MIPNEAREST Point min/mag, point mip
* D3DFILTER_LINEARMIPNEAREST: Point min/mag, linear mip
*
* D3DFILTER_LINEAR Linear min/mag, no mip
* D3DFILTER_MIPLINEAR Linear min/mag, point mip
* D3DFILTER_LINEARMIPLINEAR Linear min/mag, linear mip
*
* This is the opposite of the GL naming convention,
* D3DFILTER_LINEARMIPNEAREST corresponds to GL_NEAREST_MIPMAP_LINEAR.
*/
case D3DRENDERSTATE_TEXTUREMAG:
{
WINED3DTEXTUREFILTERTYPE tex_mag = WINED3DTEXF_POINT;
WINED3DTEXTUREFILTERTYPE tex_mag;
switch ((D3DTEXTUREFILTER) Value)
switch (Value)
{
case D3DFILTER_NEAREST:
case D3DFILTER_MIPNEAREST:
case D3DFILTER_LINEARMIPNEAREST:
tex_mag = WINED3DTEXF_POINT;
break;
case D3DFILTER_LINEAR:
case D3DFILTER_MIPLINEAR:
case D3DFILTER_LINEARMIPLINEAR:
tex_mag = WINED3DTEXF_LINEAR;
break;
default:
tex_mag = WINED3DTEXF_POINT;
ERR("Unhandled texture mag %d !\n",Value);
break;
}
hr = IWineD3DDevice_SetSamplerState(This->wineD3DDevice,
@ -2678,24 +2733,26 @@ IDirect3DDeviceImpl_7_SetRenderState(IDirect3DDevice7 *iface,
case D3DRENDERSTATE_TEXTUREMIN:
{
WINED3DTEXTUREFILTERTYPE tex_min = WINED3DTEXF_POINT;
WINED3DTEXTUREFILTERTYPE tex_mip = WINED3DTEXF_NONE;
WINED3DTEXTUREFILTERTYPE tex_min;
WINED3DTEXTUREFILTERTYPE tex_mip;
switch ((D3DTEXTUREFILTER) Value)
{
case D3DFILTER_NEAREST:
tex_min = WINED3DTEXF_POINT;
tex_mip = WINED3DTEXF_NONE;
break;
case D3DFILTER_LINEAR:
tex_min = WINED3DTEXF_LINEAR;
tex_mip = WINED3DTEXF_NONE;
break;
case D3DFILTER_MIPNEAREST:
tex_min = WINED3DTEXF_POINT;
tex_mip = WINED3DTEXF_POINT;
break;
case D3DFILTER_MIPLINEAR:
tex_min = WINED3DTEXF_POINT;
tex_mip = WINED3DTEXF_LINEAR;
tex_min = WINED3DTEXF_LINEAR;
tex_mip = WINED3DTEXF_POINT;
break;
case D3DFILTER_LINEARMIPNEAREST:
tex_min = WINED3DTEXF_POINT;
@ -2708,11 +2765,13 @@ IDirect3DDeviceImpl_7_SetRenderState(IDirect3DDevice7 *iface,
default:
ERR("Unhandled texture min %d !\n",Value);
tex_min = WINED3DTEXF_POINT;
tex_mip = WINED3DTEXF_NONE;
break;
}
IWineD3DDevice_SetSamplerState(This->wineD3DDevice,
0, WINED3DSAMP_MIPFILTER,
tex_mip);
IWineD3DDevice_SetSamplerState(This->wineD3DDevice,
0, WINED3DSAMP_MIPFILTER, tex_mip);
hr = IWineD3DDevice_SetSamplerState(This->wineD3DDevice,
0, WINED3DSAMP_MINFILTER,
tex_min);