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[WINED3D]

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- Do not rely on undefined behavior to get values easily accessible as constants.
- Quick build fix. Will be sent to Wine, possibly modified.

svn path=/trunk/; revision=56432
This commit is contained in:
Thomas Faber 2012-04-26 17:20:53 +00:00
parent 3c49ba735f
commit 46a246e79b
3 changed files with 6 additions and 8 deletions
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4
reactos/dll/directx/wine/CMakeLists.txt
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@ -23,6 +23,4 @@ add_subdirectory(d3dx9_40)
add_subdirectory(d3dx9_41)
add_subdirectory(d3dx9_42)
add_subdirectory(ddraw)
if(NOT MSVC)
add_subdirectory(wined3d)
endif()
add_subdirectory(wined3d)

2
reactos/dll/directx/wine/wined3d/state.c
View file

@ -1042,7 +1042,7 @@ void state_fogstartend(struct wined3d_context *context, const struct wined3d_sta
fogend = tmpvalue.f;
/* In GL, fogstart == fogend disables fog, in D3D everything's fogged.*/
if(fogstart == fogend) {
fogstart = -1.0f / 0.0f;
fogstart = -INFINITY;
fogend = 0.0f;
}
break;

8
reactos/dll/directx/wine/wined3d/wined3d_private.h
View file

@ -199,8 +199,8 @@ static inline float float_16_to_32(const unsigned short *in) {
} else if(e < 31) {
return sgn * powf(2, (float)e - 15.0f) * (1.0f + ((float)m / 1024.0f));
} else {
if(m == 0) return sgn / 0.0f; /* +INF / -INF */
else return 0.0f / 0.0f; /* NAN */
if(m == 0) return sgn * INFINITY; /* +INF / -INF */
else return NAN; /* NAN */
}
}
@ -221,8 +221,8 @@ static inline float float_24_to_32(DWORD in)
}
else
{
if (m == 0) return sgn / 0.0f; /* +INF / -INF */
else return 0.0f / 0.0f; /* NAN */
if (m == 0) return sgn * INFINITY; /* +INF / -INF */
else return NAN; /* NAN */
}
}