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initial implementation of fog range adjust, I don't think is correct or work right but is a start.

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some tweaks and fixes.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6957 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Rodolfo Osvaldo Bogado
2011-01-29 04:31:56 +00:00
parent 64af8abcae
commit 4c58c7ea03
9 changed files with 94 additions and 37 deletions
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32
Source/Core/VideoCommon/Src/BPMemory.h
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@ -678,6 +678,33 @@ union FogParam3
u32 hex;
};
union FogRangeKElement
{
struct
{
u32 HI : 12;
u32 LO : 12;
u32 regid : 8;
};
u32 HEX;
};
struct FogRangeParams
{
union RangeBase
{
struct
{
u32 Center : 10;
u32 Enabled : 1;
u32 unused : 13;
u32 regid : 8;
};
u32 hex;
};
RangeBase Base;
FogRangeKElement K[5];
};
// final eq: ze = A/(B_MAG - (Zs>>B_SHF));
struct FogParams
{
@ -902,10 +929,7 @@ struct BPMemory
FourTexUnits tex[2]; //80-bf
TevStageCombiner combiners[16]; //0xC0-0xDF
TevReg tevregs[4]; //0xE0
u32 fogRangeAdj; //0xE8
u32 unknown15[3]; //0xe9,0xea,0xeb - fog related
u32 tev_range_adj_c; //0xec - screenx center for range adjustment, range adjustment enable
u32 tev_range_adj_k; //0xed - specifies range adjustment function = sqrt(x*x+k*k)/k
FogRangeParams fogRange;
FogParams fog; //0xEE,0xEF,0xF0,0xF1,0xF2
AlphaFunc alphaFunc; //0xF3
ZTex1 ztex1; //0xf4,0xf5