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Extended Vtr patch gathering methods to access face-varying values:

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- renamed and extended gathering methods with fvar channel index
    - renamed usage of gathering methods in far/patchTablesFactory
This commit is contained in:
barfowl 2015-01-29 21:06:47 -08:00
parent 446aa492b7
commit 2f69c34c88
3 changed files with 127 additions and 78 deletions
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8
opensubdiv/far/patchTablesFactory.cpp
View File

@ -1236,7 +1236,7 @@ PatchTablesFactory::populateAdaptivePatches( TopologyRefiner const & refiner,
if (!patchTag._isSingleCrease && patchTag._boundaryCount == 0) {
int const permuteInterior[16] = { 5, 6, 7, 8, 4, 0, 1, 9, 15, 3, 2, 10, 14, 13, 12, 11 };
level->gatherQuadRegularInteriorPatchVertices(faceIndex, patchVerts, rIndex);
level->gatherQuadRegularInteriorPatchPoints(faceIndex, patchVerts, rIndex);
offsetAndPermuteIndices(patchVerts, 16, levelVertOffset, permuteInterior, iptrs.R[tIndex]);
iptrs.R[tIndex] += 16;
@ -1267,7 +1267,7 @@ PatchTablesFactory::populateAdaptivePatches( TopologyRefiner const & refiner,
//
if (patchTag._isSingleCrease && patchTag._boundaryCount==0) {
int const permuteInterior[16] = { 5, 6, 7, 8, 4, 0, 1, 9, 15, 3, 2, 10, 14, 13, 12, 11 };
level->gatherQuadRegularInteriorPatchVertices(faceIndex, patchVerts, bIndex);
level->gatherQuadRegularInteriorPatchPoints(faceIndex, patchVerts, bIndex);
offsetAndPermuteIndices(patchVerts, 16, levelVertOffset, permuteInterior, iptrs.S[tIndex][rIndex]);
int creaseEdge = (bIndex+2)%4;
@ -1284,7 +1284,7 @@ PatchTablesFactory::populateAdaptivePatches( TopologyRefiner const & refiner,
} else if (patchTag._boundaryCount == 1) {
int const permuteBoundary[12] = { 11, 3, 0, 4, 10, 2, 1, 5, 9, 8, 7, 6 };
level->gatherQuadRegularBoundaryPatchVertices(faceIndex, patchVerts, bIndex);
level->gatherQuadRegularBoundaryPatchPoints(faceIndex, patchVerts, bIndex);
offsetAndPermuteIndices(patchVerts, 12, levelVertOffset, permuteBoundary, iptrs.B[tIndex][rIndex]);
iptrs.B[tIndex][rIndex] += 12;
@ -1296,7 +1296,7 @@ PatchTablesFactory::populateAdaptivePatches( TopologyRefiner const & refiner,
} else {
int const permuteCorner[9] = { 8, 3, 0, 7, 2, 1, 6, 5, 4 };
level->gatherQuadRegularCornerPatchVertices(faceIndex, patchVerts, bIndex);
level->gatherQuadRegularCornerPatchPoints(faceIndex, patchVerts, bIndex);
offsetAndPermuteIndices(patchVerts, 9, levelVertOffset, permuteCorner, iptrs.C[tIndex][rIndex]);
bIndex = (bIndex+3)%4;

167
opensubdiv/vtr/level.cpp
View File

@ -665,31 +665,33 @@ Level::gatherManifoldVertexRingFromIncidentQuads(Index vIndex, int vOffset, int
// | | | |
//
int
Level::gatherQuadRegularInteriorPatchVertices(
Index thisFace, Index ringVerts[], int rotation) const {
Level::gatherQuadRegularInteriorPatchPoints(
Index thisFace, Index patchPoints[], int rotation, int fvarChannel) const {
Level const& level = *this;
assert((0 <= rotation) && (rotation < 4));
int const rotationSequence[7] = { 0, 1, 2, 3, 0, 1, 2 };
int const * rotatedVerts = &rotationSequence[rotation];
ConstIndexArray thisFaceVerts = level.getFaceVertices(thisFace);
ConstIndexArray facePoints = (fvarChannel < 0) ? thisFaceVerts :
level.getFVarFaceValues(thisFace, fvarChannel);
patchPoints[0] = facePoints[rotatedVerts[0]];
patchPoints[1] = facePoints[rotatedVerts[1]];
patchPoints[2] = facePoints[rotatedVerts[2]];
patchPoints[3] = facePoints[rotatedVerts[3]];
//
// For each of the four corner vertices, there is a face diagonally opposite
// the given/central face, within which are three vertices of the ring:
// the given/central face. Each of these faces contains three points of the
// entire ring of points around that given/central face.
//
ConstIndexArray thisFaceVerts = level.getFaceVertices(thisFace);
if (rotation) {
ringVerts[0] = thisFaceVerts[fastMod4(rotation)];
ringVerts[1] = thisFaceVerts[fastMod4(rotation + 1)];
ringVerts[2] = thisFaceVerts[fastMod4(rotation + 2)];
ringVerts[3] = thisFaceVerts[fastMod4(rotation + 3)];
} else {
ringVerts[0] = thisFaceVerts[0];
ringVerts[1] = thisFaceVerts[1];
ringVerts[2] = thisFaceVerts[2];
ringVerts[3] = thisFaceVerts[3];
}
int ringIndex = 4;
int pointIndex = 4;
for (int i = 0; i < 4; ++i) {
Index v = ringVerts[i];
Index v = thisFaceVerts[rotatedVerts[i]];
ConstIndexArray vFaces = level.getVertexFaces(v);
ConstLocalIndexArray vInFaces = level.getVertexFaceLocalIndices(v);
@ -698,15 +700,16 @@ Level::gatherQuadRegularInteriorPatchVertices(
int intFaceInVFaces = fastMod4(thisFaceInVFaces + 2);
Index intFace = vFaces[intFaceInVFaces];
int vInIntFace = vInFaces[intFaceInVFaces];
int vInIntFace = vInFaces[intFaceInVFaces];
ConstIndexArray intFaceVerts = level.getFaceVertices(intFace);
facePoints = (fvarChannel < 0) ? level.getFaceVertices(intFace) :
level.getFVarFaceValues(intFace, fvarChannel);
ringVerts[ringIndex++] = intFaceVerts[fastMod4(vInIntFace + 1)];
ringVerts[ringIndex++] = intFaceVerts[fastMod4(vInIntFace + 2)];
ringVerts[ringIndex++] = intFaceVerts[fastMod4(vInIntFace + 3)];
patchPoints[pointIndex++] = facePoints[fastMod4(vInIntFace + 1)];
patchPoints[pointIndex++] = facePoints[fastMod4(vInIntFace + 2)];
patchPoints[pointIndex++] = facePoints[fastMod4(vInIntFace + 3)];
}
assert(ringIndex == 16);
assert(pointIndex == 16);
return 16;
}
@ -729,14 +732,14 @@ Level::gatherQuadRegularInteriorPatchVertices(
// | |x x| |
// | |x x| |
// ---5-----1-----2-----10---
// | | | |
// | |v0 v1| |
// | | | |
// ---6-----7-----8-----9----
// | | | |
//
int
Level::gatherQuadRegularBoundaryPatchVertices(
Index face, Index ringVerts[], int boundaryEdgeInFace) const {
Level::gatherQuadRegularBoundaryPatchPoints(
Index face, Index patchPoints[], int boundaryEdgeInFace, int fvarChannel) const {
Level const& level = *this;
@ -787,28 +790,47 @@ Level::gatherQuadRegularBoundaryPatchVertices(
LocalIndex v1InIntFace = v1InFaces[intFaceInV1Faces];
LocalIndex v1InNextFace = v1InFaces[nextFaceInV1Faces];
// Access the vertices of these four faces and assign to the ring:
ConstIndexArray prevFaceVerts = level.getFaceVertices(prevFace);
ConstIndexArray intV0FaceVerts = level.getFaceVertices(intV0Face);
ConstIndexArray intV1FaceVerts = level.getFaceVertices(intV1Face);
ConstIndexArray nextFaceVerts = level.getFaceVertices(nextFace);
//
// Now that all faces of interest have been found, identify the point
// indices within each face (i.e. the vertex or fvar-value index arrays)
// and copy them into the patch points:
//
ConstIndexArray thisFacePoints,
prevFacePoints,
intV0FacePoints,
intV1FacePoints,
nextFacePoints;
ringVerts[0] = faceVerts[fastMod4(boundaryEdgeInFace + 1)];
ringVerts[1] = faceVerts[fastMod4(boundaryEdgeInFace + 2)];
ringVerts[2] = faceVerts[fastMod4(boundaryEdgeInFace + 3)];
ringVerts[3] = faceVerts[ boundaryEdgeInFace];
if (fvarChannel < 0) {
thisFacePoints = faceVerts;
prevFacePoints = level.getFaceVertices(prevFace);
intV0FacePoints = level.getFaceVertices(intV0Face);
intV1FacePoints = level.getFaceVertices(intV1Face);
nextFacePoints = level.getFaceVertices(nextFace);
} else {
thisFacePoints = level.getFVarFaceValues(face, fvarChannel);
prevFacePoints = level.getFVarFaceValues(prevFace, fvarChannel);
intV0FacePoints = level.getFVarFaceValues(intV0Face, fvarChannel);
intV1FacePoints = level.getFVarFaceValues(intV1Face, fvarChannel);
nextFacePoints = level.getFVarFaceValues(nextFace, fvarChannel);
}
ringVerts[4] = prevFaceVerts[fastMod4(v0InPrevFace + 2)];
patchPoints[0] = thisFacePoints[fastMod4(boundaryEdgeInFace + 1)];
patchPoints[1] = thisFacePoints[fastMod4(boundaryEdgeInFace + 2)];
patchPoints[2] = thisFacePoints[fastMod4(boundaryEdgeInFace + 3)];
patchPoints[3] = thisFacePoints[ boundaryEdgeInFace];
ringVerts[5] = intV0FaceVerts[fastMod4(v0InIntFace + 1)];
ringVerts[6] = intV0FaceVerts[fastMod4(v0InIntFace + 2)];
ringVerts[7] = intV0FaceVerts[fastMod4(v0InIntFace + 3)];
patchPoints[4] = prevFacePoints[fastMod4(v0InPrevFace + 2)];
ringVerts[8] = intV1FaceVerts[fastMod4(v1InIntFace + 1)];
ringVerts[9] = intV1FaceVerts[fastMod4(v1InIntFace + 2)];
ringVerts[10] = intV1FaceVerts[fastMod4(v1InIntFace + 3)];
patchPoints[5] = intV0FacePoints[fastMod4(v0InIntFace + 1)];
patchPoints[6] = intV0FacePoints[fastMod4(v0InIntFace + 2)];
patchPoints[7] = intV0FacePoints[fastMod4(v0InIntFace + 3)];
ringVerts[11] = nextFaceVerts[fastMod4(v1InNextFace + 2)];
patchPoints[8] = intV1FacePoints[fastMod4(v1InIntFace + 1)];
patchPoints[9] = intV1FacePoints[fastMod4(v1InIntFace + 2)];
patchPoints[10] = intV1FacePoints[fastMod4(v1InIntFace + 3)];
patchPoints[11] = nextFacePoints[fastMod4(v1InNextFace + 2)];
return 12;
}
@ -837,8 +859,8 @@ Level::gatherQuadRegularBoundaryPatchVertices(
// | | |
//
int
Level::gatherQuadRegularCornerPatchVertices(
Index face, Index ringVerts[], int cornerVertInFace) const {
Level::gatherQuadRegularCornerPatchPoints(
Index face, Index patchPoints[], int cornerVertInFace, int fvarChannel) const {
Level const& level = *this;
@ -874,23 +896,40 @@ Level::gatherQuadRegularCornerPatchVertices(
LocalIndex intVertInIntFace = intVertInFaces[intFaceInIntVertFaces];
LocalIndex intVertInNextFace = intVertInFaces[nextFaceInIntVertFaces];
// Access the vertices of these three faces and assign to the ring:
ConstIndexArray prevFaceVerts = level.getFaceVertices(prevFace);
ConstIndexArray intFaceVerts = level.getFaceVertices(intFace);
ConstIndexArray nextFaceVerts = level.getFaceVertices(nextFace);
//
// Now that all faces of interest have been found, identify the point
// indices within each face (i.e. the vertex or fvar-value index arrays)
// and copy them into the patch points:
//
ConstIndexArray thisFacePoints,
prevFacePoints,
intFacePoints,
nextFacePoints;
ringVerts[0] = faceVerts[ cornerVertInFace];
ringVerts[1] = faceVerts[fastMod4(cornerVertInFace + 1)];
ringVerts[2] = faceVerts[fastMod4(cornerVertInFace + 2)];
ringVerts[3] = faceVerts[fastMod4(cornerVertInFace + 3)];
if (fvarChannel < 0) {
thisFacePoints = faceVerts;
prevFacePoints = level.getFaceVertices(prevFace);
intFacePoints = level.getFaceVertices(intFace);
nextFacePoints = level.getFaceVertices(nextFace);
} else {
thisFacePoints = level.getFVarFaceValues(face);
prevFacePoints = level.getFVarFaceValues(prevFace);
intFacePoints = level.getFVarFaceValues(intFace);
nextFacePoints = level.getFVarFaceValues(nextFace);
}
ringVerts[4] = prevFaceVerts[fastMod4(intVertInPrevFace + 2)];
patchPoints[0] = thisFacePoints[ cornerVertInFace];
patchPoints[1] = thisFacePoints[fastMod4(cornerVertInFace + 1)];
patchPoints[2] = thisFacePoints[fastMod4(cornerVertInFace + 2)];
patchPoints[3] = thisFacePoints[fastMod4(cornerVertInFace + 3)];
ringVerts[5] = intFaceVerts[fastMod4(intVertInIntFace + 1)];
ringVerts[6] = intFaceVerts[fastMod4(intVertInIntFace + 2)];
ringVerts[7] = intFaceVerts[fastMod4(intVertInIntFace + 3)];
patchPoints[4] = prevFacePoints[fastMod4(intVertInPrevFace + 2)];
ringVerts[8] = nextFaceVerts[fastMod4(intVertInNextFace + 2)];
patchPoints[5] = intFacePoints[fastMod4(intVertInIntFace + 1)];
patchPoints[6] = intFacePoints[fastMod4(intVertInIntFace + 2)];
patchPoints[7] = intFacePoints[fastMod4(intVertInIntFace + 3)];
patchPoints[8] = nextFacePoints[fastMod4(intVertInNextFace + 2)];
return 9;
}
@ -918,7 +957,7 @@ Level::gatherQuadRegularCornerPatchVertices(
// 6 7 8
*/
int
Level::gatherTriRegularInteriorPatchVertices(Index fIndex, Index points[12], int rotation) const
Level::gatherTriRegularInteriorPatchPoints(Index fIndex, Index points[12], int rotation) const
{
ConstIndexArray fVerts = getFaceVertices(fIndex);
ConstIndexArray fEdges = getFaceEdges(fIndex);
@ -981,7 +1020,7 @@ Level::gatherTriRegularInteriorPatchVertices(Index fIndex, Index points[12], int
// 0 1
*/
int
Level::gatherTriRegularBoundaryEdgePatchVertices(Index fIndex, Index points[], int boundaryFaceEdge) const
Level::gatherTriRegularBoundaryEdgePatchPoints(Index fIndex, Index points[], int boundaryFaceEdge) const
{
ConstIndexArray fVerts = getFaceVertices(fIndex);
@ -1029,7 +1068,7 @@ Level::gatherTriRegularBoundaryEdgePatchVertices(Index fIndex, Index points[], i
// 5 6 7
*/
int
Level::gatherTriRegularBoundaryVertexPatchVertices(Index fIndex, Index points[], int boundaryFaceVert) const
Level::gatherTriRegularBoundaryVertexPatchPoints(Index fIndex, Index points[], int boundaryFaceVert) const
{
ConstIndexArray fVerts = getFaceVertices(fIndex);
ConstIndexArray fEdges = getFaceEdges(fIndex);
@ -1082,7 +1121,7 @@ Level::gatherTriRegularBoundaryVertexPatchVertices(Index fIndex, Index points[],
// 3 4 5
*/
int
Level::gatherTriRegularCornerVertexPatchVertices(Index fIndex, Index points[], int cornerFaceVert) const
Level::gatherTriRegularCornerVertexPatchPoints(Index fIndex, Index points[], int cornerFaceVert) const
{
ConstIndexArray fVerts = getFaceVertices(fIndex);
@ -1126,7 +1165,7 @@ Level::gatherTriRegularCornerVertexPatchVertices(Index fIndex, Index points[], i
// 3
*/
int
Level::gatherTriRegularCornerEdgePatchVertices(Index fIndex, Index points[], int cornerFaceEdge) const
Level::gatherTriRegularCornerEdgePatchPoints(Index fIndex, Index points[], int cornerFaceEdge) const
{
ConstIndexArray fVerts = getFaceVertices(fIndex);

30
opensubdiv/vtr/level.h
View File

@ -274,19 +274,29 @@ public:
// High-level topology queries -- these are likely to be moved elsewhere, but here
// is the best place for them for now...
bool isSingleCreasePatch(Index face, float* sharpnessOut=NULL, int* rotationOut=NULL) const;
int gatherManifoldVertexRingFromIncidentQuads(Index vIndex, int vOffset, int ringVerts[]) const;
int gatherQuadRegularInteriorPatchVertices(Index fIndex, Index patchVerts[], int rotation = 0) const;
int gatherQuadRegularBoundaryPatchVertices(Index fIndex, Index patchVerts[], int boundaryEdgeInFace) const;
int gatherQuadRegularCornerPatchVertices( Index fIndex, Index patchVerts[], int cornerVertInFace) const;
//
// When gathering "patch points" we may want the indices of the vertices or the corresponding
// FVar values for a particular channel. Both are represented and equally accessible within
// the faces, so we allow all to be returned through these methods. Setting the optional FVar
// channel to -1 will retrieve indices of vertices instead of FVar values:
//
int gatherQuadRegularInteriorPatchPoints(Index fIndex, Index patchVerts[], int rotation = 0,
int fvarChannel = -1) const;
int gatherQuadRegularBoundaryPatchPoints(Index fIndex, Index patchVerts[], int boundaryEdgeInFace,
int fvarChannel = -1) const;
int gatherQuadRegularCornerPatchPoints( Index fIndex, Index patchVerts[], int cornerVertInFace,
int fvarChannel = -1) const;
int gatherTriRegularInteriorPatchVertices( Index fIndex, Index patchVerts[], int rotation = 0) const;
int gatherTriRegularBoundaryVertexPatchVertices(Index fIndex, Index patchVerts[], int boundaryVertInFace) const;
int gatherTriRegularBoundaryEdgePatchVertices( Index fIndex, Index patchVerts[], int boundaryEdgeInFace) const;
int gatherTriRegularCornerVertexPatchVertices( Index fIndex, Index patchVerts[], int cornerVertInFace) const;
int gatherTriRegularCornerEdgePatchVertices( Index fIndex, Index patchVerts[], int cornerEdgeInFace) const;
bool isSingleCreasePatch(Index face, float* sharpnessOut=NULL, int* rotationOut=NULL) const;
// WIP -- for future use, need to extend for face-varying...
int gatherTriRegularInteriorPatchPoints( Index fIndex, Index patchVerts[], int rotation = 0) const;
int gatherTriRegularBoundaryVertexPatchPoints(Index fIndex, Index patchVerts[], int boundaryVertInFace) const;
int gatherTriRegularBoundaryEdgePatchPoints( Index fIndex, Index patchVerts[], int boundaryEdgeInFace) const;
int gatherTriRegularCornerVertexPatchPoints( Index fIndex, Index patchVerts[], int cornerVertInFace) const;
int gatherTriRegularCornerEdgePatchPoints( Index fIndex, Index patchVerts[], int cornerEdgeInFace) const;
protected: