piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2024-11-14 13:27:41 -07:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

minor tweaks to edge marking bug handling

Browse Source 
for some reason it does not check against the depth bitmap when enabled?
This commit is contained in:
Jaklyy 2024-03-05 17:46:13 -05:00
parent 56e506ef9a
commit bbbd56877d
2 changed files with 15 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/GPU3D_Soft.cpp
View File

@ -1544,19 +1544,17 @@ bool SoftRenderer::CheckEdgeMarkingPixel(u32 polyid, u32 z, u32 pixeladdr)
else return false;
}
bool CheckEdgeMarkingClearPlane(const GPU3D& gpu3d, u32 polyid, u32 z, u32 pixeladdr)
bool SoftRenderer::CheckEdgeMarkingClearPlane(const GPU3D& gpu3d, u32 polyid, u32 z)
{
if (gpu3d.RenderDispCnt & (1<<14))
{
return true;
}
else
// for some reason it never checks against the bitmap clear plane?
if (polyid != gpu3d.RenderClearAttr1>>24)
{
u32 clearz = ((gpu3d.RenderClearAttr2 & 0x7FFF) * 0x200) + 0x1FF;
if ((polyid != gpu3d.RenderClearAttr1>>24) && (z < clearz)) return true;
if (z < clearz) return true;
else return false;
}
else return false;
}
template <bool push>
@ -1582,14 +1580,14 @@ void SoftRenderer::ScanlineFinalPass(const GPU3D& gpu3d, s32 y, bool checkprev,
u32 z = DepthBuffer[pixeladdr];
bool doit = false;
if ((checkprev && (x == 0) && CheckEdgeMarkingClearPlane(gpu3d, polyid, z, pixeladdr+1)) ||
(checknext && (x == 255) && CheckEdgeMarkingClearPlane(gpu3d, polyid, z, pixeladdr+1)) ||
((y == 0) && CheckEdgeMarkingClearPlane(gpu3d, polyid, z, pixeladdr-ScanlineWidth)) ||
((y == 191) && CheckEdgeMarkingClearPlane(gpu3d, polyid, z, pixeladdr+ScanlineWidth)) ||
((x != 0) && CheckEdgeMarkingPixel(polyid, z, pixeladdr-1)) ||
((x != 255) && CheckEdgeMarkingPixel(polyid, z, pixeladdr+1)) ||
((y != 0) && CheckEdgeMarkingPixel(polyid, z, pixeladdr-ScanlineWidth)) ||
((y != 191) && CheckEdgeMarkingPixel(polyid, z, pixeladdr+ScanlineWidth)))
if ((checkprev && (x == 0) && CheckEdgeMarkingClearPlane(gpu3d, polyid, z)) || // left
(checknext && (x == 255) && CheckEdgeMarkingClearPlane(gpu3d, polyid, z)) || // right
((y == 0) && CheckEdgeMarkingClearPlane(gpu3d, polyid, z)) || // top
((y == 191) && CheckEdgeMarkingClearPlane(gpu3d, polyid, z)) || // bottom
((x != 0) && CheckEdgeMarkingPixel(polyid, z, pixeladdr-1)) || // left
((x != 255) && CheckEdgeMarkingPixel(polyid, z, pixeladdr+1)) || // right
((y != 0) && CheckEdgeMarkingPixel(polyid, z, pixeladdr-ScanlineWidth)) || // top
((y != 191) && CheckEdgeMarkingPixel(polyid, z, pixeladdr+ScanlineWidth))) // bottom
{
u16 edgecolor = gpu3d.RenderEdgeTable[polyid >> 3];
u32 edgeR = (edgecolor << 1) & 0x3E; if (edgeR) edgeR++;

4
src/GPU3D_Soft.h
View File

@ -472,8 +472,8 @@ private:
void RenderScanline(const GPU& gpu, s32 y, int npolys, s32* timingcounter);
u32 CalculateFogDensity(const GPU3D& gpu3d, u32 pixeladdr) const;
bool CheckEdgeMarkingPixel(u32 polyid, u32 z, u32 pixeladdr);
template <bool push>
void ScanlineFinalPass(const GPU3D& gpu3d, s32 y, bool checkprev, bool checknext);
bool CheckEdgeMarkingClearPlane(const GPU3D& gpu3d, u32 polyid, u32 z);
template <bool push> void ScanlineFinalPass(const GPU3D& gpu3d, s32 y, bool checkprev, bool checknext);
void ClearBuffers(const GPU& gpu);
u16 BeginPushScanline(s32 y, s32 pixelstodraw);
void ReadScanline(s32 y);