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fix problem with scene graph color set on PER_PRIM colored geoms

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This commit is contained in:
cxgeorge 2002-09-06 00:52:35 +00:00
parent 87cd4d5901
commit 0cb2b98758
1 changed files with 27 additions and 2 deletions
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29
panda/src/dxgsg/dxGraphicsStateGuardian.cxx
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@ -2416,6 +2416,19 @@ draw_tri(GeomTri *geom, GeomContext *gc) {
size_t vertex_size = draw_prim_setup(geom);
// Note: draw_prim_setup could unset color flags if global color is set, so must
// recheck this flag here!
bPerPrimColor=(_perPrim & PER_COLOR)!=0x0;
#ifdef _DEBUG
// is it Ok not to recompute bUseTexCoordOnlyLoop even if draw_prim_setup unsets color flags?
// add this check to make sure
bool bNewUseTexCoordOnlyLoop = (((_perVertex & PER_COLOR)==0x0) &&
((_curFVFflags & D3DFVF_NORMAL)==0x0) &&
((_curFVFflags & D3DFVF_TEX1)!=0x0));
assert(bNewUseTexCoordOnlyLoop == bUseTexCoordOnlyLoop);
#endif
nassertv(_pCurFvfBufPtr == NULL); // make sure the storage pointer is clean.
nassertv(nPrims * 3 * vertex_size < VERT_BUFFER_SIZE);
_pCurFvfBufPtr = _pFvfBufBasePtr; // _pCurFvfBufPtr changes, _pFvfBufBasePtr doesn't
@ -2814,8 +2827,20 @@ draw_multitri(Geom *geom, D3DPRIMITIVETYPE trilisttype) {
// draw_prim_setup() REQUIRES _perVertex, etc flags setup properly prior to call
size_t vertex_size = draw_prim_setup(geom);
// iterate through the triangle primitives
// Note: draw_prim_setup could unset color flags if global color is set, so must
// recheck this flag here!
bPerPrimColor=(_perPrim & PER_COLOR)!=0;
#ifdef _DEBUG
// is it Ok not to recompute bUseTexCoordOnlyLoop even if draw_prim_setup unsets color flags?
// add this check to make sure. texcoordonly needs input that with unchanging color, except per-prim
bool bNewUseTexCoordOnlyLoop = ((((_perComp|_perVertex) & PER_COLOR)==0x0) &&
((_curFVFflags & D3DFVF_NORMAL)==0x0) &&
((_curFVFflags & D3DFVF_TEX1)!=0x0));
assert(bNewUseTexCoordOnlyLoop == bUseTexCoordOnlyLoop);
#endif
// iterate through the triangle primitives
int nVerts;
if(pLengthArr==NULL) {
// we've been called by draw_quad, which has no lengths array
@ -2828,7 +2853,7 @@ draw_multitri(Geom *geom, D3DPRIMITIVETYPE trilisttype) {
nVerts = *(pLengthArr++);
}
if(bPerPrimColor) { // remember color might be G_OVERALL too!
if(bPerPrimColor) {
GET_NEXT_COLOR();
}