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VideoCommon: Fix scissorOffset, handle negative value correctly

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VideoCommon: Change the type of BPMemory.scissorOffset to 10bit signed: S32X10Y10
VideoBackends: Fix Software Clipper.PerspectiveDivide function, use BPMemory.scissorOffset instead of hard code 342
This commit is contained in:
ezio1900
2021-04-19 20:20:37 +08:00
parent 34348fad1d
commit 97ea3a603e
5 changed files with 51 additions and 33 deletions
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8
Source/Core/VideoCommon/BPMemory.h
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@ -993,6 +993,12 @@ union X10Y10
BitField<10, 10, u32> y;
u32 hex;
};
union S32X10Y10
{
BitField<0, 10, s32> x;
BitField<10, 10, s32> y;
u32 hex;
};
// Framebuffer/pixel stuff (incl fog)
enum class SrcBlendFactor : u32
@ -1949,7 +1955,7 @@ struct BPMemory
u32 boundbox0; // 55
u32 boundbox1; // 56
u32 unknown7[2]; // 57,58
X10Y10 scissorOffset; // 59
S32X10Y10 scissorOffset; // 59
u32 unknown8[6]; // 5a,5b,5c,5d, 5e,5f
BPS_TmemConfig tmem_config; // 60-66
u32 metric; // 67