Line Art: Discard out of frame edges.
For scenes that have a lot of edges, this could potentially save some time generating individual strokes that are outside camera frustum. Reviewed By: Sebastian Parborg (zeddb) Differential Revision: https://developer.blender.org/D11525
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@ -1 +1 @@
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Subproject commit ab283053ab455f76f5620b59b823e73bd9f601ce
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Subproject commit 4833954c0ac85cc407e1d5a153aa11b1d1823ec0
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@ -1 +1 @@
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Subproject commit ec07ed4c2e0495bea7fbe0b546d25e35211506a9
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Subproject commit f86f25e62217264495d05f116ccb09d575fe9841
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@ -1372,6 +1372,24 @@ static void lineart_main_perspective_division(LineartRenderBuffer *rb)
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}
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}
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static void lineart_main_discard_out_of_frame_edges(LineartRenderBuffer *rb)
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{
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LineartEdge *e;
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int i;
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#define LRT_VERT_OUT_OF_BOUND(v) \
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(v && (v->fbcoord[0] < -1 || v->fbcoord[0] > 1 || v->fbcoord[1] < -1 || v->fbcoord[1] > 1))
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LISTBASE_FOREACH (LineartElementLinkNode *, eln, &rb->line_buffer_pointers) {
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e = (LineartEdge *)eln->pointer;
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for (i = 0; i < eln->element_count; i++) {
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if ((LRT_VERT_OUT_OF_BOUND(e[i].v1) && LRT_VERT_OUT_OF_BOUND(e[i].v2))) {
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e[i].flags = LRT_EDGE_FLAG_CHAIN_PICKED;
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}
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}
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}
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}
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/**
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* Transform a single vert to it's viewing position.
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*/
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@ -3911,6 +3929,8 @@ bool MOD_lineart_compute_feature_lines(Depsgraph *depsgraph,
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/* Do the perspective division after clipping is done. */
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lineart_main_perspective_division(rb);
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lineart_main_discard_out_of_frame_edges(rb);
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/* Triangle intersections are done here during sequential adding of them. Only after this,
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* triangles and lines are all linked with acceleration structure, and the 2D occlusion stage
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* can do its job. */
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