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* revert back to proper upscale mantissa of parameters A and C
* properly downscale magnitude to 0.24 bits instead than ≡0.23
* Z Eyespace conversion for projection by original patent concept

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6463 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
gnick79
2010-11-23 13:57:01 +00:00
parent b0c94a47f9
commit 4267adbd5e
4 changed files with 29 additions and 14 deletions
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4
Source/Core/VideoCommon/Src/BPMemory.h
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@ -650,7 +650,7 @@ union FogParam0
float GetA() {
union { u32 i; float f; } dummy;
dummy.i = ((u32)sign<<31)|((u32)exponent<<23)|((u32)mantissa * 0x7FFFFF / 0x7FF); // scale mantissa from 11 to 23 bits
dummy.i = ((u32)sign << 31) | ((u32)exponent << 23) | ((u32)mantissa << 12); // scale mantissa from 11 to 23 bits
return dummy.f;
}
@ -671,7 +671,7 @@ union FogParam3
// amount to subtract from eyespacez after range adjustment
float GetC() {
union { u32 i; float f; } dummy;
dummy.i = ((u32)c_sign << 31) | ((u32)c_exp << 23) | ((u32)c_mant * 0x7FFFFF / 0x7FF); // scale mantissa from 11 to 23 bits
dummy.i = ((u32)c_sign << 31) | ((u32)c_exp << 23) | ((u32)c_mant << 12); // scale mantissa from 11 to 23 bits
return dummy.f;
}