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fix a crash and scanlines being incorrectly partially read

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This commit is contained in:
Jaklyy 2023-12-24 20:27:24 -05:00
parent fb5b2c299c
commit f239d0cf0d
1 changed files with 5 additions and 3 deletions
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8
src/GPU3D_Soft.cpp
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@ -1817,7 +1817,7 @@ void SoftRenderer::RenderPolygons(GPU& gpu, Polygon** polygons, int npolys)
u16 leftovers;
// until all scanlines have been pushed and read continue looping... CHECKME: unless its time for the next 3d frame should begin
while ((scanlinesread < 192 || scanlinespushed2 < 192) && (RasterTiming < FrameLength))
while ((scanlinesread < 192 || scanlinespushed2 < 192) && (RasterTiming < (FrameLength-RastDelay)))
{
// check all events to find the earliest scheduled one
nextevent = 0;
@ -1932,8 +1932,6 @@ void SoftRenderer::RenderPolygons(GPU& gpu, Polygon** polygons, int npolys)
// read scanline from buffer
ReadScanline(scanlinesread);
// reschedule event for one scanline later
rasterevents[ScanlineRead] += ScanlineReadInc;
// avoid breaking seperate thread.
if constexpr (threaded)
@ -1941,6 +1939,10 @@ void SoftRenderer::RenderPolygons(GPU& gpu, Polygon** polygons, int npolys)
scanlinesread++;
scanlineswaiting--;
// reschedule event for one scanline later unless all scanlines have been read
if (scanlinesread < 192) rasterevents[ScanlineRead] += ScanlineReadInc;
else rasterevents[ScanlineRead] = INT_MAX/2;
break;