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try to avoid some memcpys in fast mode

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This commit is contained in:
Jaklyy 2024-04-24 08:04:41 -04:00
parent 635bfa0c29
commit bb20a0b1d2
1 changed files with 17 additions and 11 deletions
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28
src/GPU3D_Soft.cpp
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@ -1894,10 +1894,12 @@ void SoftRenderer::RenderPolygonsFast(GPU& gpu, Polygon** polygons, int npolys)
for (s32 y = 1; y < 192; y++)
{
RenderScanline<false>(gpu, y, 0, j, nullptr);
ScanlineFinalPass<true>(gpu.GPU3D, y-1, true, true);
ScanlineFinalPass<false>(gpu.GPU3D, y-1, true, true);
Platform::Semaphore_Post(Sema_ScanlineCount);
}
ScanlineFinalPass<true>(gpu.GPU3D, 191, true, true);
ScanlineFinalPass<false>(gpu.GPU3D, 191, true, true);
Platform::Semaphore_Post(Sema_ScanlineCount);
}
#define RDLINES_COUNT_INCREMENT\
@ -2058,7 +2060,7 @@ void SoftRenderer::RenderFrame(GPU& gpu)
RenderPolygonsFast(gpu, &gpu.GPU3D.RenderPolygonRAM[0], gpu.GPU3D.RenderNumPolygons);
}
else
memcpy(FinalBuffer, ColorBuffer, sizeof(FinalBuffer));
if (Accuracy) memcpy(FinalBuffer, ColorBuffer, sizeof(FinalBuffer));
}
}
@ -2101,7 +2103,7 @@ void SoftRenderer::RenderThreadFunc(GPU& gpu)
}
else
{
memcpy(FinalBuffer, ColorBuffer, sizeof(FinalBuffer));
if (Accuracy) memcpy(FinalBuffer, ColorBuffer, sizeof(FinalBuffer));
Platform::Semaphore_Post(Sema_ScanlineCount, 192);
}
}
@ -2130,15 +2132,19 @@ void SoftRenderer::ScanlineSync(int line)
u32* SoftRenderer::GetLine(int line)
{
// only wait in in-accurate mode (we've already waited for scanlines in accurate mode)
if (!Accuracy && RenderThreadRunning.load(std::memory_order_relaxed))
if (!Accuracy)
{
if (line < 192)
// We need a scanline, so let's wait for the render thread to finish it.
// (both threads process scanlines from top-to-bottom,
// so we don't need to wait for a specific row)
Platform::Semaphore_Wait(Sema_ScanlineCount);
if (RenderThreadRunning.load(std::memory_order_relaxed))
{
if (line < 192)
// We need a scanline, so let's wait for the render thread to finish it.
// (both threads process scanlines from top-to-bottom,
// so we don't need to wait for a specific row)
Platform::Semaphore_Wait(Sema_ScanlineCount);
}
return &ColorBuffer[line*ScanlineWidth];
}
return &FinalBuffer[line*ScanlineWidth];
else return &FinalBuffer[line*ScanlineWidth];
}
}