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remove accuracy toggle

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doesn't seem necessary
This commit is contained in:
Jaklyy 2024-05-09 09:45:36 -04:00
parent 72ffe6b297
commit 0b85038586
2 changed files with 32 additions and 89 deletions
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113
src/GPU3D_Soft.cpp
View File

@ -825,7 +825,6 @@ void SoftRenderer::CheckSlope(RendererPolygon* rp, s32 y)
} }
} }
template <bool accuracy>
bool SoftRenderer::RenderShadowMaskScanline(const GPU3D& gpu3d, RendererPolygon* rp, s32 y, s32* timingcounter) bool SoftRenderer::RenderShadowMaskScanline(const GPU3D& gpu3d, RendererPolygon* rp, s32 y, s32* timingcounter)
{ {
Polygon* polygon = rp->PolyData; Polygon* polygon = rp->PolyData;
@ -958,20 +957,15 @@ bool SoftRenderer::RenderShadowMaskScanline(const GPU3D& gpu3d, RendererPolygon*
if (x < 0) x = 0; if (x < 0) x = 0;
s32 xlimit; s32 xlimit;
if (accuracy) // determine if the span can be rendered within the time allotted to the scanline
s32 diff = DoTimingsPixels(xend-x, timingcounter);
if (diff != 0)
{ {
// determine if the span can be rendered within the time allotted to the scanline xend -= diff;
// TODO: verify the timing characteristics of shadow masks are the same as regular polygons. r_edgelen -= diff;
s32 diff = DoTimingsPixels(xend-x, timingcounter); abortscanline = true;
if (diff != 0)
{
xend -= diff;
r_edgelen -= diff;
abortscanline = true;
}
else abortscanline = false;
} }
// note: if accuracy mode isn't enabled the abort flag never gets set, this is fine, because it also never gets used by fast mode. else abortscanline = false;
// we cap it to 256 *after* counting the cycles, because yes, it tries to render oob pixels. // we cap it to 256 *after* counting the cycles, because yes, it tries to render oob pixels.
if (xend > 256) if (xend > 256)
@ -1064,7 +1058,6 @@ bool SoftRenderer::RenderShadowMaskScanline(const GPU3D& gpu3d, RendererPolygon*
return abortscanline; return abortscanline;
} }
template <bool accuracy>
bool SoftRenderer::RenderPolygonScanline(const GPU& gpu, RendererPolygon* rp, s32 y, s32* timingcounter) bool SoftRenderer::RenderPolygonScanline(const GPU& gpu, RendererPolygon* rp, s32 y, s32* timingcounter)
{ {
Polygon* polygon = rp->PolyData; Polygon* polygon = rp->PolyData;
@ -1220,19 +1213,15 @@ bool SoftRenderer::RenderPolygonScanline(const GPU& gpu, RendererPolygon* rp, s3
s32 xcov = 0; s32 xcov = 0;
if (accuracy) // determine if the span can be rendered within the time allotted to the scanline
s32 diff = DoTimingsPixels(xend-x, timingcounter);
if (diff != 0)
{ {
// determine if the span can be rendered within the time allotted to the scanline xend -= diff;
s32 diff = DoTimingsPixels(xend-x, timingcounter); r_edgelen -= diff;
if (diff != 0) abortscanline = true;
{
xend -= diff;
r_edgelen -= diff;
abortscanline = true;
}
else abortscanline = false;
} }
// note: if accuracy mode isn't enabled the abort flag never gets set, this is fine, because it also never gets used by fast mode. else abortscanline = false;
// we cap it to 256 *after* counting the cycles, because yes, it tries to render oob pixels. // we cap it to 256 *after* counting the cycles, because yes, it tries to render oob pixels.
if (xend > 256) if (xend > 256)
@ -1528,7 +1517,6 @@ bool SoftRenderer::RenderPolygonScanline(const GPU& gpu, RendererPolygon* rp, s3
return abortscanline; return abortscanline;
} }
template <bool accuracy>
void SoftRenderer::RenderScanline(const GPU& gpu, s32 y, int firstpoly, int npolys, s32* timingcounter) void SoftRenderer::RenderScanline(const GPU& gpu, s32 y, int firstpoly, int npolys, s32* timingcounter)
{ {
bool abort = false; bool abort = false;
@ -1537,24 +1525,24 @@ void SoftRenderer::RenderScanline(const GPU& gpu, s32 y, int firstpoly, int npol
RendererPolygon* rp = &PolygonList[firstpoly]; RendererPolygon* rp = &PolygonList[firstpoly];
Polygon* polygon = rp->PolyData; Polygon* polygon = rp->PolyData;
if (accuracy && y == polygon->YBottom && y != polygon->YTop) if (y == polygon->YBottom && y != polygon->YTop)
{ {
if (!abort) abort = !DoTimings(EmptyPolyScanline, timingcounter); if (!abort) abort = !DoTimings(EmptyPolyScanline, timingcounter);
} }
else if (y >= polygon->YTop && (y < polygon->YBottom || (y == polygon->YTop && polygon->YBottom == polygon->YTop))) else if (y >= polygon->YTop && (y < polygon->YBottom || (y == polygon->YTop && polygon->YBottom == polygon->YTop)))
{ {
if (accuracy && !abort) abort = (!DoTimings(PerPolyScanline, timingcounter) if (!abort) abort = (!DoTimings(PerPolyScanline, timingcounter)
|| !CheckTimings(MinToStartPoly, timingcounter)); || !CheckTimings(MinToStartPoly, timingcounter));
if (accuracy && abort) if (abort)
{ {
CheckSlope(rp, y); CheckSlope(rp, y);
Step(rp); Step(rp);
} }
else if (polygon->IsShadowMask) else if (polygon->IsShadowMask)
abort = RenderShadowMaskScanline<accuracy>(gpu.GPU3D, rp, y, timingcounter); abort = RenderShadowMaskScanline(gpu.GPU3D, rp, y, timingcounter);
else else
abort = RenderPolygonScanline<accuracy>(gpu, rp, y, timingcounter); abort = RenderPolygonScanline(gpu, rp, y, timingcounter);
} }
} }
} }
@ -1891,29 +1879,6 @@ void SoftRenderer::ClearBuffers(const GPU& gpu)
} }
} }
void SoftRenderer::RenderPolygonsFast(GPU& gpu, Polygon** polygons, int npolys)
{
gpu.GPU3D.RDLinesTemp = 46; // dumb way of making sure it gets updated to a "normal" value when the gpu starts rasterizing.
int j = 0;
for (int i = 0; i < npolys; i++)
{
if (polygons[i]->Degenerate) continue;
SetupPolygon(&PolygonList[j++], polygons[i]);
}
RenderScanline<false>(gpu, 0, 0, j, nullptr);
for (s32 y = 1; y < 192; y++)
{
RenderScanline<false>(gpu, y, 0, j, nullptr);
ScanlineFinalPass<false>(gpu.GPU3D, y-1, true, true);
Platform::Semaphore_Post(Sema_ScanlineCount);
}
ScanlineFinalPass<false>(gpu.GPU3D, 191, true, true);
Platform::Semaphore_Post(Sema_ScanlineCount);
}
#define RDLINES_COUNT_INCREMENT\ #define RDLINES_COUNT_INCREMENT\
/* feels wrong, needs improvement */\ /* feels wrong, needs improvement */\
while (RasterTiming >= RDDecrement[nextreadrd])\ while (RasterTiming >= RDDecrement[nextreadrd])\
@ -1943,8 +1908,8 @@ void SoftRenderer::RenderPolygonsFast(GPU& gpu, Polygon** polygons, int npolys)
ScanlineTimeout = SLRead[y-1] - (PreReadCutoff+FinalPassLen);\ ScanlineTimeout = SLRead[y-1] - (PreReadCutoff+FinalPassLen);\
\ \
FindFirstPolyDoTimings(j, y, &firstpolyeven, &firstpolyodd, &rastertimingeven, &rastertimingodd);\ FindFirstPolyDoTimings(j, y, &firstpolyeven, &firstpolyodd, &rastertimingeven, &rastertimingodd);\
RenderScanline<true>(gpu, y, firstpolyeven, j, &rastertimingeven);\ RenderScanline(gpu, y, firstpolyeven, j, &rastertimingeven);\
RenderScanline<true>(gpu, y+1, firstpolyodd, j, &rastertimingodd);\ RenderScanline(gpu, y+1, firstpolyodd, j, &rastertimingodd);\
\ \
prevtimespent = timespent;\ prevtimespent = timespent;\
RasterTiming += timespent = std::max(std::initializer_list<s32> {rastertimingeven, rastertimingodd, FinalPassLen});\ RasterTiming += timespent = std::max(std::initializer_list<s32> {rastertimingeven, rastertimingodd, FinalPassLen});\
@ -1975,8 +1940,8 @@ void SoftRenderer::RenderPolygonsTiming(GPU& gpu, Polygon** polygons, int npolys
FindFirstPolyDoTimings(j, 0, &firstpolyeven, &firstpolyodd, &rastertimingeven, &rastertimingodd); FindFirstPolyDoTimings(j, 0, &firstpolyeven, &firstpolyodd, &rastertimingeven, &rastertimingodd);
// scanlines are rendered in pairs of two // scanlines are rendered in pairs of two
RenderScanline<true>(gpu, 0, firstpolyeven, j, &rastertimingeven); RenderScanline(gpu, 0, firstpolyeven, j, &rastertimingeven);
RenderScanline<true>(gpu, 1, firstpolyodd, j, &rastertimingodd); RenderScanline(gpu, 1, firstpolyodd, j, &rastertimingodd);
// it can't proceed to the next scanline unless all others steps are done (both scanlines in the pair, and final pass) // it can't proceed to the next scanline unless all others steps are done (both scanlines in the pair, and final pass)
RasterTiming = timespent = std::max(std::initializer_list<s32> {rastertimingeven, rastertimingodd, FinalPassLen}); RasterTiming = timespent = std::max(std::initializer_list<s32> {rastertimingeven, rastertimingodd, FinalPassLen});
@ -2067,13 +2032,9 @@ void SoftRenderer::RenderFrame(GPU& gpu)
if (gpu.GPU3D.RenderingEnabled >= 3) if (gpu.GPU3D.RenderingEnabled >= 3)
{ {
if (Accuracy) RenderPolygonsTiming(gpu, &gpu.GPU3D.RenderPolygonRAM[0], gpu.GPU3D.RenderNumPolygons);
RenderPolygonsTiming(gpu, &gpu.GPU3D.RenderPolygonRAM[0], gpu.GPU3D.RenderNumPolygons);
else
RenderPolygonsFast(gpu, &gpu.GPU3D.RenderPolygonRAM[0], gpu.GPU3D.RenderNumPolygons);
} }
else else memcpy(FinalBuffer, ColorBuffer, sizeof(FinalBuffer));
if (Accuracy) memcpy(FinalBuffer, ColorBuffer, sizeof(FinalBuffer));
} }
} }
@ -2109,14 +2070,11 @@ void SoftRenderer::RenderThreadFunc(GPU& gpu)
if (gpu.GPU3D.RenderingEnabled >= 3) if (gpu.GPU3D.RenderingEnabled >= 3)
{ {
if (Accuracy) RenderPolygonsTiming(gpu, &gpu.GPU3D.RenderPolygonRAM[0], gpu.GPU3D.RenderNumPolygons);
RenderPolygonsTiming(gpu, &gpu.GPU3D.RenderPolygonRAM[0], gpu.GPU3D.RenderNumPolygons);
else
RenderPolygonsFast(gpu, &gpu.GPU3D.RenderPolygonRAM[0], gpu.GPU3D.RenderNumPolygons);
} }
else else
{ {
if (Accuracy) memcpy(FinalBuffer, ColorBuffer, sizeof(FinalBuffer)); memcpy(FinalBuffer, ColorBuffer, sizeof(FinalBuffer));
Platform::Semaphore_Post(Sema_ScanlineCount, 192); Platform::Semaphore_Post(Sema_ScanlineCount, 192);
} }
} }
@ -2131,7 +2089,7 @@ void SoftRenderer::RenderThreadFunc(GPU& gpu)
void SoftRenderer::ScanlineSync(int line) void SoftRenderer::ScanlineSync(int line)
{ {
// only used in accurate mode (timings must be emulated) // only used in accurate mode (timings must be emulated)
if (Accuracy && RenderThreadRunning.load(std::memory_order_relaxed)) if (RenderThreadRunning.load(std::memory_order_relaxed))
{ {
if (line < 192) if (line < 192)
{ {
@ -2144,20 +2102,7 @@ void SoftRenderer::ScanlineSync(int line)
u32* SoftRenderer::GetLine(int line) u32* SoftRenderer::GetLine(int line)
{ {
// only wait in in-accurate mode (we've already waited for scanlines in accurate mode) return &FinalBuffer[line*ScanlineWidth];
if (!Accuracy)
{
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];
}
else return &FinalBuffer[line*ScanlineWidth];
} }
} }

8
src/GPU3D_Soft.h
View File

@ -468,9 +468,9 @@ private:
void SetupPolygon(RendererPolygon* rp, Polygon* polygon) const; void SetupPolygon(RendererPolygon* rp, Polygon* polygon) const;
void Step(RendererPolygon* rp); void Step(RendererPolygon* rp);
void CheckSlope(RendererPolygon* rp, s32 y); void CheckSlope(RendererPolygon* rp, s32 y);
template <bool accuracy> bool RenderShadowMaskScanline(const GPU3D& gpu3d, RendererPolygon* rp, s32 y, s32* timingcounter); bool RenderShadowMaskScanline(const GPU3D& gpu3d, RendererPolygon* rp, s32 y, s32* timingcounter);
template <bool accuracy> bool RenderPolygonScanline(const GPU& gpu, RendererPolygon* rp, s32 y, s32* timingcounter); bool RenderPolygonScanline(const GPU& gpu, RendererPolygon* rp, s32 y, s32* timingcounter);
template <bool accuracy> void RenderScanline(const GPU& gpu, s32 y, int firstpoly, int npolys, s32* timingcounter); void RenderScanline(const GPU& gpu, s32 y, int firstpoly, int npolys, s32* timingcounter);
u32 CalculateFogDensity(const GPU3D& gpu3d, u32 pixeladdr) const; u32 CalculateFogDensity(const GPU3D& gpu3d, u32 pixeladdr) const;
bool CheckEdgeMarkingPixel(u32 polyid, u32 z, u32 pixeladdr); bool CheckEdgeMarkingPixel(u32 polyid, u32 z, u32 pixeladdr);
bool CheckEdgeMarkingClearPlane(const GPU3D& gpu3d, u32 polyid, u32 z); bool CheckEdgeMarkingClearPlane(const GPU3D& gpu3d, u32 polyid, u32 z);
@ -521,8 +521,6 @@ private:
bool FrameIdentical; bool FrameIdentical;
bool Accuracy = true; // TODO
// threading // threading
bool Threaded; bool Threaded;