forked from bartvdbraak/blender
Subsurf: Optimize edge drawing, now it uses VBOs.
Also the refactor exposed an error where we requested too much memory from the video memory in general for all mesh types. Now we are back to normal :)
This commit is contained in:
Antony Riakiotakis
parent
b3ac7c07ff
commit
d47e565598
@ -1772,13 +1772,8 @@ static void ccgdm_pbvh_update(CCGDerivedMesh *ccgdm)
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static void ccgDM_drawEdges(DerivedMesh *dm, bool drawLooseEdges, bool drawAllEdges)
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{
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GPUDrawObject *gdo;
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CCGDerivedMesh *ccgdm = (CCGDerivedMesh *) dm;
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CCGSubSurf *ss = ccgdm->ss;
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CCGKey key;
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int i, j, edgeSize = ccgSubSurf_getEdgeSize(ss);
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int totedge = ccgSubSurf_getNumEdges(ss);
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int gridSize = ccgSubSurf_getGridSize(ss);
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int useAging;
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#ifdef WITH_OPENSUBDIV
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if (ccgdm->useGpuBackend) {
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@ -1790,99 +1785,68 @@ static void ccgDM_drawEdges(DerivedMesh *dm, bool drawLooseEdges, bool drawAllEd
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}
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#endif
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CCG_key_top_level(&key, ss);
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ccgdm_pbvh_update(ccgdm);
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ccgSubSurf_getUseAgeCounts(ss, &useAging, NULL, NULL, NULL);
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/* old debug feature for edges, unsupported for now */
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#if 0
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int useAging = 0;
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for (j = 0; j < totedge; j++) {
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CCGEdge *e = ccgdm->edgeMap[j].edge;
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CCGElem *edgeData = ccgSubSurf_getEdgeDataArray(ss, e);
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if (!(G.f & G_BACKBUFSEL)) {
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CCGSubSurf *ss = ccgdm->ss;
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ccgSubSurf_getUseAgeCounts(ss, &useAging, NULL, NULL, NULL);
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if (!drawLooseEdges && !ccgSubSurf_getEdgeNumFaces(e))
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continue;
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if (!drawAllEdges && ccgdm->edgeFlags && !(ccgdm->edgeFlags[j] & ME_EDGEDRAW))
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continue;
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if (useAging && !(G.f & G_BACKBUFSEL)) {
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/* it needs some way to upload this to VBO now */
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if (useAging) {
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int ageCol = 255 - ccgSubSurf_getEdgeAge(ss, e) * 4;
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glColor3ub(0, ageCol > 0 ? ageCol : 0, 0);
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}
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glBegin(GL_LINE_STRIP);
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for (i = 0; i < edgeSize - 1; i++) {
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glVertex3fv(CCG_elem_offset_co(&key, edgeData, i));
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glVertex3fv(CCG_elem_offset_co(&key, edgeData, i + 1));
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}
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glEnd();
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}
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#endif
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if (useAging && !(G.f & G_BACKBUFSEL)) {
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glColor3ub(0, 0, 0);
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GPU_edge_setup(dm);
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gdo = dm->drawObject;
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if (gdo->edges && gdo->points) {
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if (drawAllEdges && drawLooseEdges) {
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GPU_buffer_draw_elements(gdo->edges, GL_LINES, 0, (gdo->totedge - gdo->totinterior) * 2);
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}
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else if (drawAllEdges) {
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GPU_buffer_draw_elements(gdo->edges, GL_LINES, 0, gdo->loose_edge_offset * 2);
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}
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else {
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GPU_buffer_draw_elements(gdo->edges, GL_LINES, 0, gdo->tot_edge_drawn * 2);
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GPU_buffer_draw_elements(gdo->edges, GL_LINES, gdo->loose_edge_offset * 2, dm->drawObject->tot_loose_edge_drawn * 2);
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}
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}
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if (ccgdm->drawInteriorEdges) {
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int totface = ccgSubSurf_getNumFaces(ss);
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for (j = 0; j < totface; j++) {
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CCGFace *f = ccgdm->faceMap[j].face;
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int S, x, y, numVerts = ccgSubSurf_getFaceNumVerts(f);
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for (S = 0; S < numVerts; S++) {
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CCGElem *faceGridData = ccgSubSurf_getFaceGridDataArray(ss, f, S);
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glBegin(GL_LINE_STRIP);
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for (x = 0; x < gridSize; x++)
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glVertex3fv(CCG_elem_offset_co(&key, faceGridData, x));
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glEnd();
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for (y = 1; y < gridSize - 1; y++) {
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glBegin(GL_LINE_STRIP);
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for (x = 0; x < gridSize; x++)
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glVertex3fv(CCG_grid_elem_co(&key, faceGridData, x, y));
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glEnd();
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}
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for (x = 1; x < gridSize - 1; x++) {
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glBegin(GL_LINE_STRIP);
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for (y = 0; y < gridSize; y++)
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glVertex3fv(CCG_grid_elem_co(&key, faceGridData, x, y));
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glEnd();
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}
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}
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}
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GPU_buffer_draw_elements(gdo->edges, GL_LINES, gdo->interior_offset * 2, gdo->totinterior * 2);
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}
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GPU_buffers_unbind();
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}
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static void ccgDM_drawLooseEdges(DerivedMesh *dm)
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{
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CCGDerivedMesh *ccgdm = (CCGDerivedMesh *) dm;
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CCGSubSurf *ss = ccgdm->ss;
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CCGKey key;
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int totedge = ccgSubSurf_getNumEdges(ss);
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int i, j, edgeSize = ccgSubSurf_getEdgeSize(ss);
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int start;
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int count;
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#ifdef WITH_OPENSUBDIV
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CCGDerivedMesh *ccgdm = (CCGDerivedMesh *) dm;
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if (ccgdm->useGpuBackend) {
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/* TODO(sergey): Needs implementation. */
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return;
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}
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#endif
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CCG_key_top_level(&key, ss);
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GPU_edge_setup(dm);
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for (j = 0; j < totedge; j++) {
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CCGEdge *e = ccgdm->edgeMap[j].edge;
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CCGElem *edgeData = ccgSubSurf_getEdgeDataArray(ss, e);
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start = (dm->drawObject->loose_edge_offset * 2);
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count = (dm->drawObject->interior_offset - dm->drawObject->loose_edge_offset) * 2;
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if (!ccgSubSurf_getEdgeNumFaces(e)) {
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glBegin(GL_LINE_STRIP);
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for (i = 0; i < edgeSize - 1; i++) {
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glVertex3fv(CCG_elem_offset_co(&key, edgeData, i));
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glVertex3fv(CCG_elem_offset_co(&key, edgeData, i + 1));
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}
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glEnd();
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}
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if (count) {
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GPU_buffer_draw_elements(dm->drawObject->edges, GL_LINES, start, count);
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}
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GPU_buffers_unbind();
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}
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static void ccgDM_NormalFast(float *a, float *b, float *c, float *d, float no[3])
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@ -2073,7 +2037,9 @@ static void ccgDM_buffer_copy_vertex(
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int gridSize = ccgSubSurf_getGridSize(ss);
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int gridFaces = gridSize - 1;
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int i, totface = ccgSubSurf_getNumFaces(ss);
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int totedge = ccgSubSurf_getNumEdges(ss);
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int start = 0;
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int edgeSize = ccgSubSurf_getEdgeSize(ss);
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CCG_key_top_level(&key, ss);
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ccgdm_pbvh_update(ccgdm);
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@ -2101,6 +2067,20 @@ static void ccgDM_buffer_copy_vertex(
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}
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}
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}
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/* upload loose points */
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for (i = 0; i < totedge; i++) {
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CCGEdge *e = ccgdm->edgeMap[i].edge;
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CCGElem *edgeData = ccgSubSurf_getEdgeDataArray(ss, e);
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if (!ccgSubSurf_getEdgeNumFaces(e)) {
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int j = 0;
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for (j = 0; j < edgeSize; j++) {
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copy_v3_v3(&varray[start], CCG_elem_offset_co(&key, edgeData, j));
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start += 3;
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}
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}
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}
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}
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/* Only used by non-editmesh types */
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@ -2286,6 +2266,158 @@ static void ccgDM_buffer_copy_uvedge(
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#endif
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}
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static void ccgDM_buffer_copy_edge(
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DerivedMesh *dm, unsigned int *varray)
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{
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CCGDerivedMesh *ccgdm = (CCGDerivedMesh *) dm;
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CCGSubSurf *ss = ccgdm->ss;
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int i, j, edgeSize = ccgSubSurf_getEdgeSize(ss);
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int totedge = ccgSubSurf_getNumEdges(ss);
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int grid_face_side = ccgSubSurf_getGridSize(ss) - 1;
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int totface = ccgSubSurf_getNumFaces(ss);
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unsigned int index_start;
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unsigned int tot_interior = 0;
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unsigned int grid_tot_face = grid_face_side * grid_face_side;
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int iloose, inorm, iloosehidden, inormhidden;
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int tot_loose_hidden = 0, tot_loose = 0;
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int tot_hidden = 0, tot = 0;
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unsigned int iloosevert = dm->drawObject->tot_loop_verts;
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/* int tot_interior = 0; */
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/* first, handle hidden/loose existing edges, then interior edges */
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for (j = 0; j < totedge; j++) {
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CCGEdge *e = ccgdm->edgeMap[j].edge;
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if (ccgdm->edgeFlags && !(ccgdm->edgeFlags[j] & ME_EDGEDRAW)) {
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if (!ccgSubSurf_getEdgeNumFaces(e)) tot_loose_hidden++;
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else tot_hidden++;
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}
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else {
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if (!ccgSubSurf_getEdgeNumFaces(e)) tot_loose++;
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else tot++;
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}
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}
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inorm = 0;
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inormhidden = tot * grid_face_side;
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/* multiply by two for loose edges, the indices are copied in a different way */
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iloose = (tot + tot_hidden) * grid_face_side * 2;
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iloosehidden = (tot + tot_hidden + tot_loose) * grid_face_side * 2;
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/* part one, handle all normal edges */
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for (j = 0; j < totedge; j++) {
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CCGFace *f;
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int fhandle;
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int totvert;
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unsigned int S;
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CCGEdge *e = ccgdm->edgeMap[j].edge;
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bool isloose = !ccgSubSurf_getEdgeNumFaces(e);
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if (!isloose) {
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CCGVert *v1, *v2;
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CCGVert *ev1 = ccgSubSurf_getEdgeVert0(e);
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CCGVert *ev2 = ccgSubSurf_getEdgeVert1(e);
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f = ccgSubSurf_getEdgeFace(e, 0);
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fhandle = GET_INT_FROM_POINTER(ccgSubSurf_getFaceFaceHandle(f));
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totvert = ccgSubSurf_getFaceNumVerts(f);
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/* find the index of vertices in the face */
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for (i = 0; i < totvert; i++) {
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v1 = ccgSubSurf_getFaceVert(f, i);
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v2 = ccgSubSurf_getFaceVert(f, (i + 1) % totvert);
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if ((ev1 == v1 && ev2 == v2) || (ev1 == v2 && ev2 == v1)) {
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S = i;
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break;
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}
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}
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}
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if (ccgdm->edgeFlags && !(ccgdm->edgeFlags[j] & ME_EDGEDRAW)) {
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if (!ccgSubSurf_getEdgeNumFaces(e)) {
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for (i = 0; i < edgeSize - 1; i++) {
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varray[iloosehidden * 2] = iloosevert;
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varray[iloosehidden * 2 + 1] = iloosevert + 1;
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iloosehidden++;
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iloosevert++;
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}
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}
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else {
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index_start = ccgdm->faceMap[fhandle].startFace;
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for (i = 0; i < grid_face_side; i++) {
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varray[inormhidden * 4] = (index_start + S * grid_tot_face + i * grid_face_side + grid_face_side - 1) * 4 + 1;
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varray[inormhidden * 4 + 1] = (index_start + S * grid_tot_face + i * grid_face_side + grid_face_side - 1) * 4 + 2;
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varray[inormhidden * 4 + 2] = (index_start + ((S + 1) % totvert) * grid_tot_face + grid_face_side * (grid_face_side - 1) + i) * 4 + 2;
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varray[inormhidden * 4 + 3] = (index_start + ((S + 1) % totvert) * grid_tot_face + grid_face_side * (grid_face_side - 1) + i) * 4 + 3;
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inormhidden++;
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}
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}
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}
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else {
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if (!ccgSubSurf_getEdgeNumFaces(e)) {
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for (i = 0; i < edgeSize - 1; i++) {
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varray[iloose * 2] = iloosevert;
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varray[iloose * 2 + 1] = iloosevert + 1;
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iloose++;
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iloosevert++;
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}
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}
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else {
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index_start = ccgdm->faceMap[fhandle].startFace;
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for (i = 0; i < grid_face_side; i++) {
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varray[inorm * 4] = (index_start + S * grid_tot_face + i * grid_face_side + grid_face_side - 1) * 4 + 1;
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varray[inorm * 4 + 1] = (index_start + S * grid_tot_face + i * grid_face_side + grid_face_side - 1) * 4 + 2;
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varray[inorm * 4 + 2] = (index_start + ((S + 1) % totvert) * grid_tot_face + grid_face_side * (grid_face_side - 1) + i) * 4 + 2;
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varray[inorm * 4 + 3] = (index_start + ((S + 1) % totvert) * grid_tot_face + grid_face_side * (grid_face_side - 1) + i) * 4 + 3;
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inorm++;
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}
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}
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}
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}
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/* part two, handle interior edges */
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inorm = totedge * grid_face_side * 2;
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index_start = 0;
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for (i = 0; i < totface; i++) {
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CCGFace *f = ccgdm->faceMap[i].face;
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unsigned int S, x, y, numVerts = ccgSubSurf_getFaceNumVerts(f);
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for (S = 0; S < numVerts; S++) {
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for (x = 1; x < grid_face_side; x++) {
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for (y = 0; y < grid_face_side; y++) {
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unsigned int tmp = (index_start + x * grid_face_side + y) * 4;
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varray[inorm * 2] = tmp;
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varray[inorm * 2 + 1] = tmp + 1;
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inorm++;
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}
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}
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for (x = 0; x < grid_face_side; x++) {
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for (y = 0; y < grid_face_side; y++) {
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unsigned int tmp = (index_start + x * grid_face_side + y) * 4;
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varray[inorm * 2] = tmp + 3;
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varray[inorm * 2 + 1] = tmp;
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inorm++;
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}
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}
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tot_interior += grid_face_side * (2.0 * grid_face_side - 1);
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index_start += grid_tot_face;
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}
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}
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dm->drawObject->tot_loose_edge_drawn = tot_loose * (edgeSize - 1) * 2;
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dm->drawObject->loose_edge_offset = (tot + tot_hidden) * grid_face_side * 2;
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dm->drawObject->tot_edge_drawn = tot * grid_face_side * 2;
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dm->drawObject->interior_offset = totedge * grid_face_side * 2;
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dm->drawObject->totinterior = tot_interior;
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}
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static void ccgDM_copy_gpu_data(
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DerivedMesh *dm, int type, void *varray_p,
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const int *mat_orig_to_new, const void *user_data)
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@ -2310,6 +2442,9 @@ static void ccgDM_copy_gpu_data(
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case GPU_BUFFER_UVEDGE:
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ccgDM_buffer_copy_uvedge(dm, (float *)varray_p);
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break;
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case GPU_BUFFER_EDGE:
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ccgDM_buffer_copy_edge(dm, (unsigned int *)varray_p);
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break;
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case GPU_BUFFER_TRIANGLES:
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ccgDM_buffer_copy_triangles(dm, (unsigned int *)varray_p, mat_orig_to_new);
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break;
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@ -2336,13 +2471,16 @@ static GPUDrawObject *ccgDM_GPUObjectNew(DerivedMesh *dm)
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int gridFaces = gridSize - 1;
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int totmat = (faceFlags) ? dm->totmat : 1;
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GPUMaterialInfo *matinfo;
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int i, curmat, curelement, totface;
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int i, curmat, curelement;
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unsigned int tot_internal_edges = 0;
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int edgeSize = ccgSubSurf_getEdgeSize(ss);
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int totedge = ccgSubSurf_getNumEdges(ss);
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int totface = ccgSubSurf_getNumFaces(ss);
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/* object contains at least one material (default included) so zero means uninitialized dm */
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BLI_assert(totmat != 0);
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totface = ccgSubSurf_getNumFaces(ss);
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matinfo = MEM_callocN(sizeof(*matinfo) * totmat, "GPU_drawobject_new.mat_orig_to_new");
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if (faceFlags) {
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@ -2354,20 +2492,24 @@ static GPUDrawObject *ccgDM_GPUObjectNew(DerivedMesh *dm)
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matinfo[new_matnr].elements += numVerts * gridFaces * gridFaces * 6;
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matinfo[new_matnr].loops += numVerts * gridFaces * gridFaces * 4;
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matinfo[new_matnr].polys++;
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tot_internal_edges += numVerts * gridFaces * (2.0 * gridFaces - 1);
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}
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}
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else {
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for (i = 0; i < totface; i++) {
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matinfo[0].elements += gridFaces * gridFaces * 6;
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matinfo[0].loops += gridFaces * gridFaces * 4;
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CCGFace *f = ccgdm->faceMap[i].face;
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int numVerts = ccgSubSurf_getFaceNumVerts(f);
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matinfo[0].elements += numVerts * gridFaces * gridFaces * 6;
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matinfo[0].loops += numVerts * gridFaces * gridFaces * 4;
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matinfo[0].polys++;
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tot_internal_edges += numVerts * gridFaces * (2.0 * gridFaces - 1);
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}
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}
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/* create the GPUDrawObject */
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gdo = MEM_callocN(sizeof(GPUDrawObject), "GPUDrawObject");
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gdo->totvert = ccgSubSurf_getNumFinalFaces(ss) * 6;
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gdo->totedge = ccgSubSurf_getNumFinalEdges(ss) * 2;
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gdo->totvert = ccgSubSurf_getNumFinalFaces(ss) * 4; /* doesn't really matter since we don't use indices */
|
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gdo->totedge = (totedge * gridFaces * 2 + tot_internal_edges);
|
||||
|
||||
/* count the number of materials used by this DerivedMesh */
|
||||
for (i = 0; i < totmat; i++) {
|
||||
@ -2397,6 +2539,8 @@ static GPUDrawObject *ccgDM_GPUObjectNew(DerivedMesh *dm)
|
||||
/* store total number of points used for triangles */
|
||||
gdo->tot_triangle_point = curelement;
|
||||
|
||||
gdo->tot_loop_verts = ccgSubSurf_getNumFinalFaces(ss) * 4;
|
||||
|
||||
mat_orig_to_new = MEM_callocN(sizeof(*mat_orig_to_new) * totmat,
|
||||
"GPUDrawObject.mat_orig_to_new");
|
||||
|
||||
@ -2419,10 +2563,18 @@ static GPUDrawObject *ccgDM_GPUObjectNew(DerivedMesh *dm)
|
||||
}
|
||||
else {
|
||||
mat = &gdo->materials[0];
|
||||
for (i = 0; i < totface; i++)
|
||||
for (i = 0; i < totface; i++) {
|
||||
mat->polys[mat->counter++] = i;
|
||||
}
|
||||
}
|
||||
|
||||
/* finally, count loose points */
|
||||
for (i = 0; i < totedge; i++) {
|
||||
CCGEdge *e = ccgdm->edgeMap[i].edge;
|
||||
|
||||
if (!ccgSubSurf_getEdgeNumFaces(e))
|
||||
gdo->tot_loose_point += edgeSize;
|
||||
}
|
||||
|
||||
MEM_freeN(mat_orig_to_new);
|
||||
MEM_freeN(matinfo);
|
||||
|
||||
@ -124,6 +124,10 @@ typedef struct GPUDrawObject {
|
||||
unsigned int loose_edge_offset;
|
||||
unsigned int tot_loose_edge_drawn;
|
||||
unsigned int tot_edge_drawn;
|
||||
|
||||
/* for subsurf, offset where drawing of interior edges starts */
|
||||
unsigned int interior_offset;
|
||||
unsigned int totinterior;
|
||||
} GPUDrawObject;
|
||||
|
||||
/* currently unused */
|
||||
|
||||
@ -613,24 +613,19 @@ static size_t gpu_buffer_size_from_type(DerivedMesh *dm, GPUBufferType type)
|
||||
{
|
||||
switch (type) {
|
||||
case GPU_BUFFER_VERTEX:
|
||||
return sizeof(float) * gpu_buffer_type_settings[type].num_components * (dm->drawObject->tot_triangle_point + dm->drawObject->tot_loose_point);
|
||||
return sizeof(float) * gpu_buffer_type_settings[type].num_components * (dm->drawObject->tot_loop_verts + dm->drawObject->tot_loose_point);
|
||||
case GPU_BUFFER_NORMAL:
|
||||
return sizeof(short) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_triangle_point;
|
||||
return sizeof(short) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_loop_verts;
|
||||
case GPU_BUFFER_COLOR:
|
||||
return sizeof(char) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_triangle_point;
|
||||
return sizeof(char) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_loop_verts;
|
||||
case GPU_BUFFER_UV:
|
||||
return sizeof(float) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_triangle_point;
|
||||
return sizeof(float) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_loop_verts;
|
||||
case GPU_BUFFER_UV_TEXPAINT:
|
||||
return sizeof(float) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_triangle_point;
|
||||
return sizeof(float) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_loop_verts;
|
||||
case GPU_BUFFER_EDGE:
|
||||
return sizeof(int) * gpu_buffer_type_settings[type].num_components * dm->drawObject->totedge;
|
||||
case GPU_BUFFER_UVEDGE:
|
||||
/* each face gets 3 points, 3 edges per triangle, and
|
||||
* each edge has its own, non-shared coords, so each
|
||||
* tri corner needs minimum of 4 floats, quads used
|
||||
* less so here we can over allocate and assume all
|
||||
* tris. */
|
||||
return sizeof(int) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_triangle_point;
|
||||
return sizeof(int) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_loop_verts;
|
||||
case GPU_BUFFER_TRIANGLES:
|
||||
return sizeof(int) * gpu_buffer_type_settings[type].num_components * dm->drawObject->tot_triangle_point;
|
||||
default:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user