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Graphics: (faked) bounding box support. Helps some Paper Mario effects although they're still a bit glitchy. Might also help other games? Enable with the #define in VideoCommon.h. Since there might be a speed hit it's off by default.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3580 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-06-28 20:04:07 +00:00
parent faa63713e2
commit 3d9279a73f
11 changed files with 147 additions and 31 deletions
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41
Source/Core/VideoCommon/Src/BPStructs.cpp
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@ -211,7 +211,12 @@ void BPWritten(const Bypass& bp)
}
else
{
// We should be able to get away with deactivating the current bbox tracking
// here. Not sure if there's a better spot to put this.
// the number of lines copied is determined by the y scale * source efb height
#ifdef BBOX_SUPPORT
*g_VideoInitialize.pBBoxActive = false;
#endif
const float yScale = bpmem.dispcopyyscale / 256.0f;
const float xfbLines = ((bpmem.copyTexSrcWH.y + 1.0f) * yScale);
RenderToXFB(bp, multirc, yScale, xfbLines,
@ -324,13 +329,35 @@ void BPWritten(const Bypass& bp)
case BPMEM_CLEAR_Z: // Z Components (24-bit Zbuffer)
break;
// -------------------------
// Culling Occulsion, we don't support this
// let's hope not many games use bboxes..
// TODO(ector): add something that watches bboxes
// Bounding Box support
// -------------------------
case BPMEM_CLEARBBOX1:
case BPMEM_CLEARBBOX2:
case BPMEM_CLEARBBOX2: {
#ifdef BBOX_SUPPORT
// which is which? these are GUESSES!
if (bp.address == BPMEM_CLEARBBOX1) {
int right = bp.newvalue >> 10;
int left = bp.newvalue & 0x3ff;
// We should only set these if bbox is calculated properly.
g_VideoInitialize.pBBox[0] = left;
g_VideoInitialize.pBBox[1] = right;
*g_VideoInitialize.pBBoxActive = true;
// WARN_LOG(VIDEO, "ClearBBox LR: %i, %08x - %i, %i", bp.address, bp.newvalue, left, right);
} else {
int bottom = bp.newvalue >> 10;
int top = bp.newvalue & 0x3ff;
// We should only set these if bbox is calculated properly.
g_VideoInitialize.pBBox[2] = top;
g_VideoInitialize.pBBox[3] = bottom;
*g_VideoInitialize.pBBoxActive = true;
// WARN_LOG(VIDEO, "ClearBBox TB: %i, %08x - %i, %i", bp.address, bp.newvalue, top, bottom);
}
#endif
break;
}
case BPMEM_ZCOMPARE: // Set the Z-Compare
case BPMEM_TEXINVALIDATE: // Used, if game has manual control the Texture Cache, which we don't allow
case BPMEM_MIPMAP_STRIDE: // MipMap Stride Channel
@ -363,14 +390,14 @@ void BPWritten(const Bypass& bp)
PanicAlert("Unknown is not 0xF! val = 0x%08x", bp.newvalue);
break;
// Cases added due to: http://code.google.com/p/dolphin-emu/issues/detail?id=360#c90
// Are these related to BBox?
case BPMEM_UNKNOWN1:
case BPMEM_UNKNOWN2:
case BPMEM_UNKNOWN3:
case BPMEM_UNKNOWN4:
// Cases added due to: http://code.google.com/p/dolphin-emu/issues/detail?id=360#c90
// Are these related to BBox?
break;
// ------------------------------------------------
// On Default, we try to look for other things
// before we give up and say its an unknown opcode