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start 3D rendering at scanline 215. fixes Worms2D.

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This commit is contained in:
StapleButter
2017-03-21 11:45:12 +01:00
parent cc86aa57ae
commit 3dd79d63f1
3 changed files with 34 additions and 1 deletions
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30
src/GPU3D.cpp
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@ -221,6 +221,10 @@ Polygon* CurPolygonRAM;
u32 NumVertices, NumPolygons;
u32 CurRAMBank;
Vertex* RenderVertexRAM;
Polygon* RenderPolygonRAM;
u32 RenderNumPolygons;
u32 ClearAttr1, ClearAttr2;
u32 FlushRequest;
@ -1637,7 +1641,9 @@ void VBlank()
{
if (FlushRequest)
{
SoftRenderer::RenderFrame(CurVertexRAM, CurPolygonRAM, NumPolygons);
RenderVertexRAM = CurVertexRAM;
RenderPolygonRAM = CurPolygonRAM;
RenderNumPolygons = NumPolygons;
CurRAMBank = CurRAMBank?0:1;
CurVertexRAM = &VertexRAM[CurRAMBank ? 6144 : 0];
@ -1645,6 +1651,17 @@ void VBlank()
NumVertices = 0;
NumPolygons = 0;
}
}
void VCount215()
{
// TODO: detect other conditions that could require rerendering
// the DS is said to present new 3D frames all the time, even if no commands are sent
if (FlushRequest)
{
SoftRenderer::RenderFrame(RenderVertexRAM, RenderPolygonRAM, RenderNumPolygons);
FlushRequest = 0;
}
@ -1668,6 +1685,14 @@ u16 Read16(u32 addr)
{
case 0x04000060:
return DispCnt;
case 0x04000320:
return 46; // TODO, eventually
case 0x04000604:
return NumPolygons;
case 0x04000606:
return NumVertices;
}
printf("unknown GPU3D read16 %08X\n", addr);
@ -1696,6 +1721,9 @@ u32 Read32(u32 addr)
(fifolevel == 0 ? (1<<26) : 0);
}
case 0x04000604:
return NumPolygons | (NumVertices << 16);
case 0x04000680: return VecMatrix[0];
case 0x04000684: return VecMatrix[1];
case 0x04000688: return VecMatrix[2];