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Move worldpos into it's own varying.

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Previously it was packed into spare slots in clippos.xy and normal.w,
but it's ugly and more importantly it's causing bugs.

This was discovered during the debugging of a zfreeze branch, which
expected clippos.xy to be xy position coordinates in clipspace (as
the name suggested).

Turns out the stereoscopy shader had also run into this trap, modifying
clippos.x (introducing errors with per-pixel lighting).

This commit has been moved outside of the zfreeze PR for fast merging.
This commit is contained in:
Scott Mansell
2015-01-03 01:44:04 +13:00
parent 9c6795c7b7
commit 1b771deb56
4 changed files with 24 additions and 8 deletions
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8
Source/Core/VideoCommon/ShaderGenCommon.h
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@ -255,7 +255,10 @@ static inline void GenerateVSOutputMembers(T& object, API_TYPE api_type, const c
DefineOutputMember(object, api_type, qualifier, "float4", "clipPos", -1, "TEXCOORD", xfmem.numTexGen.numTexGens);
if (g_ActiveConfig.bEnablePixelLighting)
DefineOutputMember(object, api_type, qualifier, "float4", "Normal", -1, "TEXCOORD", xfmem.numTexGen.numTexGens + 1);
{
DefineOutputMember(object, api_type, qualifier, "float3", "Normal", -1, "TEXCOORD", xfmem.numTexGen.numTexGens + 1);
DefineOutputMember(object, api_type, qualifier, "float3", "WorldPos", -1, "TEXCOORD", xfmem.numTexGen.numTexGens + 2);
}
}
template<class T>
@ -271,7 +274,10 @@ static inline void AssignVSOutputMembers(T& object, const char* a, const char* b
object.Write("\t%s.clipPos = %s.clipPos;\n", a, b);
if (g_ActiveConfig.bEnablePixelLighting)
{
object.Write("\t%s.Normal = %s.Normal;\n", a, b);
object.Write("\t%s.WorldPos = %s.WorldPos;\n", a, b);
}
}
// Constant variable names