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Merge branch 'zfreeze-new'

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This commit is contained in:
NeoBrainX 2012-03-29 23:02:12 +02:00
commit 6ee6d0088a
1 changed files with 8 additions and 2 deletions
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10
Source/Plugins/Plugin_VideoSoftware/Src/Rasterizer.cpp
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@ -64,7 +64,12 @@ RasterBlock rasterBlock;
void Init() void Init()
{ {
tev.Init(); tev.Init();
// Set initial z reference plane in the unlikely case that zfreeze is enabled when drawing the first primitive.
// TODO: This is just a guess!
ZSlope.dfdx = ZSlope.dfdy = 0.f;
ZSlope.f0 = 1.f;
} }
inline int iround(float x) inline int iround(float x)
@ -364,7 +369,8 @@ void DrawTriangleFrontFace(OutputVertexData *v0, OutputVertexData *v1, OutputVer
float w[3] = { 1.0f / v0->projectedPosition.w, 1.0f / v1->projectedPosition.w, 1.0f / v2->projectedPosition.w }; float w[3] = { 1.0f / v0->projectedPosition.w, 1.0f / v1->projectedPosition.w, 1.0f / v2->projectedPosition.w };
InitSlope(&WSlope, w[0], w[1], w[2], fltdx31, fltdx12, fltdy12, fltdy31); InitSlope(&WSlope, w[0], w[1], w[2], fltdx31, fltdx12, fltdy12, fltdy31);
InitSlope(&ZSlope, v0->screenPosition[2], v1->screenPosition[2], v2->screenPosition[2], fltdx31, fltdx12, fltdy12, fltdy31); if (!bpmem.genMode.zfreeze)
InitSlope(&ZSlope, v0->screenPosition[2], v1->screenPosition[2], v2->screenPosition[2], fltdx31, fltdx12, fltdy12, fltdy31);
for(unsigned int i = 0; i < bpmem.genMode.numcolchans; i++) for(unsigned int i = 0; i < bpmem.genMode.numcolchans; i++)
{ {