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* always render normal BG/OBJ graphics (even if they're not getting displayed, they can still be fed to the capture unit)

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* fix 3D viewport calculation
* keep track of the clearbuffer attributes before VBlank
This commit is contained in:
StapleButter
2017-04-10 20:24:41 +02:00
parent f2622c047b
commit 8bbcc83771
4 changed files with 41 additions and 32 deletions
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13
src/GPU3D.cpp
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@ -57,6 +57,10 @@
// (the idea is that each position matrix has an associated vector matrix)
//
// TODO: check if translate works on the vector matrix? seems pointless
//
// viewport Y coordinates are upside-down
//
// clear color/depth/bitmap/etc registers (04000350/04000354) are double-buffered
namespace GPU3D
@ -237,6 +241,7 @@ Polygon* RenderPolygonRAM;
u32 RenderNumPolygons;
u32 ClearAttr1, ClearAttr2;
u32 RenderClearAttr1, RenderClearAttr2;
u32 FlushRequest;
u32 FlushAttributes;
@ -1634,10 +1639,11 @@ void ExecuteCommand()
break;
case 0x60: // viewport x1,y1,x2,y2
// note: viewport Y coordinates are upside-down
Viewport[0] = ExecParams[0] & 0xFF;
Viewport[1] = (ExecParams[0] >> 8) & 0xFF;
Viewport[1] = 191 - (ExecParams[0] >> 24);
Viewport[2] = ((ExecParams[0] >> 16) & 0xFF) - Viewport[0] + 1;
Viewport[3] = (ExecParams[0] >> 24) - Viewport[1] + 1;
Viewport[3] = (191 - ((ExecParams[0] >> 8) & 0xFF)) - Viewport[1] + 1;
break;
case 0x70: // box test
@ -1725,6 +1731,9 @@ void VBlank()
RenderPolygonRAM = CurPolygonRAM;
RenderNumPolygons = NumPolygons;
RenderClearAttr1 = ClearAttr1;
RenderClearAttr2 = ClearAttr2;
CurRAMBank = CurRAMBank?0:1;
CurVertexRAM = &VertexRAM[CurRAMBank ? 6144 : 0];
CurPolygonRAM = &PolygonRAM[CurRAMBank ? 2048 : 0];