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pcsx2
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GSdx: less gaps between triangles, it was more noticeable with psx games, having a lower resolution. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4978 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
gabest11 2011-12-04 15:31:02 +00:00
parent 786f43a707
commit 9f470962e5
1 changed files with 2 additions and 10 deletions
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12
plugins/GSdx/GSRasterizer.cpp
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@ -410,15 +410,11 @@ void GSRasterizer::DrawTriangleSection(int top, int bottom, GSVertexSW& edge, co
GSVector4 scissor = m_fscissor.xzxz(); GSVector4 scissor = m_fscissor.xzxz();
GSVector4 prestep = GSVector4(top) - y0;
GSVertexSW o = dedge * prestep;
while(1) while(1)
{ {
if(IsOneOfMyScanlines(top)) if(IsOneOfMyScanlines(top))
{ {
GSVertexSW scan = edge + o; GSVertexSW scan = edge + dedge * (GSVector4(top) - y0);
GSVector4 lrf = scan.p.ceil(); GSVector4 lrf = scan.p.ceil();
GSVector4 l = lrf.max(scissor); GSVector4 l = lrf.max(scissor);
@ -434,17 +430,13 @@ void GSRasterizer::DrawTriangleSection(int top, int bottom, GSVertexSW& edge, co
{ {
m_stats.pixels += pixels; m_stats.pixels += pixels;
prestep = l.xxxx() - x0; GSVector4 prestep = l.xxxx() - x0;
AddScanline(e++, pixels, left, top, scan + dscan * prestep); AddScanline(e++, pixels, left, top, scan + dscan * prestep);
} }
} }
if(++top >= bottom) break; if(++top >= bottom) break;
// NOTE: it is more accurate to accumlate the offset, edge values (especially p.z) may become too large compared to dedge (example: 8000000 + 259.4 == 8000000 + 259.3)
o += dedge;
} }
m_edge.count += e - &m_edge.buff[m_edge.count]; m_edge.count += e - &m_edge.buff[m_edge.count];