ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Rasterizer: Use multiplication instead of shifts in DrawTriangleFrontFace 

The left-hand-side is negative at some point which is considered undefined by the standard.
This commit is contained in:
Lioncash 2015-09-17 01:46:26 -04:00
parent 1c17d3d653
commit a94300dd86
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Source/Core/VideoBackends/Software/Rasterizer.cpp
View File

@ -360,13 +360,13 @@ void DrawTriangleFrontFace(OutputVertexData *v0, OutputVertexData *v1, OutputVer
const s32 DY31 = Y3 - Y1;
// Fixed-pos32 deltas
const s32 FDX12 = DX12 << 4;
const s32 FDX23 = DX23 << 4;
const s32 FDX31 = DX31 << 4;
const s32 FDX12 = DX12 * 16;
const s32 FDX23 = DX23 * 16;
const s32 FDX31 = DX31 * 16;
const s32 FDY12 = DY12 << 4;
const s32 FDY23 = DY23 << 4;
const s32 FDY31 = DY31 << 4;
const s32 FDY12 = DY12 * 16;
const s32 FDY23 = DY23 * 16;
const s32 FDY31 = DY31 * 16;
// Bounding rectangle
s32 minx = (std::min(std::min(X1, X2), X3) + 0xF) >> 4;