From af3a55bb1b7d11c3036839d66fcf4280f1dae96b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= Date: Wed, 20 May 2020 21:47:42 +0200 Subject: Overlay: Wireframe: Add visualization for Hairs in wireframe mode This only works for particle systems for now. Fix T61928 Wireframe mode hair not visible --- .../draw/engines/overlay/overlay_wireframe.c | 62 +++++++++++++++++++++- 1 file changed, 60 insertions(+), 2 deletions(-) (limited to 'source/blender/draw/engines/overlay/overlay_wireframe.c') diff --git a/source/blender/draw/engines/overlay/overlay_wireframe.c b/source/blender/draw/engines/overlay/overlay_wireframe.c index 99ff7f67d49..309c7c1021a 100644 --- a/source/blender/draw/engines/overlay/overlay_wireframe.c +++ b/source/blender/draw/engines/overlay/overlay_wireframe.c @@ -21,15 +21,18 @@ */ #include "DNA_mesh_types.h" +#include "DNA_particle_types.h" #include "DNA_view3d_types.h" #include "DNA_volume_types.h" #include "BKE_curve.h" #include "BKE_displist.h" +#include "BKE_duplilist.h" #include "BKE_editmesh.h" #include "BKE_global.h" #include "BKE_object.h" #include "BKE_paint.h" +#include "BKE_particle.h" #include "BLI_hash.h" @@ -95,16 +98,24 @@ void OVERLAY_wireframe_cache_init(OVERLAY_Data *vedata) DRW_shgroup_uniform_bool_copy(grp, "isTransform", (G.moving & G_TRANSFORM_OBJ) != 0); DRW_shgroup_uniform_bool_copy(grp, "isObjectColor", is_object_color); DRW_shgroup_uniform_bool_copy(grp, "isRandomColor", is_random_color); + DRW_shgroup_uniform_bool_copy(grp, "isHair", false); pd->wires_all_grp[xray][use_coloring] = grp = DRW_shgroup_create(wires_sh, pass); DRW_shgroup_uniform_texture_ref(grp, "depthTex", depth_tx); DRW_shgroup_uniform_float_copy(grp, "wireStepParam", 1.0f); + + pd->wires_hair_grp[xray][use_coloring] = grp = DRW_shgroup_create(wires_sh, pass); + /* TODO(fclem) texture ref persist */ + DRW_shgroup_uniform_texture_ref(grp, "depthTex", depth_tx); + DRW_shgroup_uniform_bool_copy(grp, "isHair", true); + DRW_shgroup_uniform_float_copy(grp, "wireStepParam", 10.0f); } pd->wires_sculpt_grp[xray] = grp = DRW_shgroup_create(wires_sh, pass); DRW_shgroup_uniform_texture_ref(grp, "depthTex", depth_tx); DRW_shgroup_uniform_float_copy(grp, "wireStepParam", 10.0f); DRW_shgroup_uniform_bool_copy(grp, "useColoring", false); + DRW_shgroup_uniform_bool_copy(grp, "isHair", false); } if (is_material_shmode) { @@ -112,19 +123,53 @@ void OVERLAY_wireframe_cache_init(OVERLAY_Data *vedata) for (int use_coloring = 0; use_coloring < 2; use_coloring++) { pd->wires_grp[1][use_coloring] = pd->wires_grp[0][use_coloring]; pd->wires_all_grp[1][use_coloring] = pd->wires_all_grp[0][use_coloring]; + pd->wires_hair_grp[1][use_coloring] = pd->wires_hair_grp[0][use_coloring]; } pd->wires_sculpt_grp[1] = pd->wires_sculpt_grp[0]; psl->wireframe_xray_ps = NULL; } } +static void wireframe_hair_cache_populate(OVERLAY_Data *vedata, Object *ob, ParticleSystem *psys) +{ + OVERLAY_PrivateData *pd = vedata->stl->pd; + const bool is_xray = (ob->dtx & OB_DRAWXRAY) != 0; + + Object *dupli_parent = DRW_object_get_dupli_parent(ob); + DupliObject *dupli_object = DRW_object_get_dupli(ob); + + float dupli_mat[4][4]; + if ((dupli_parent != NULL) && (dupli_object != NULL)) { + if (dupli_object->type & OB_DUPLICOLLECTION) { + copy_m4_m4(dupli_mat, dupli_parent->obmat); + } + else { + copy_m4_m4(dupli_mat, dupli_object->ob->obmat); + invert_m4(dupli_mat); + mul_m4_m4m4(dupli_mat, ob->obmat, dupli_mat); + } + } + else { + unit_m4(dupli_mat); + } + + struct GPUBatch *hairs = DRW_cache_particles_get_hair(ob, psys, NULL); + + const bool use_coloring = true; + DRWShadingGroup *shgrp = DRW_shgroup_create_sub(pd->wires_hair_grp[is_xray][use_coloring]); + DRW_shgroup_uniform_vec4_copy(shgrp, "hairDupliMatrix[0]", dupli_mat[0]); + DRW_shgroup_uniform_vec4_copy(shgrp, "hairDupliMatrix[1]", dupli_mat[1]); + DRW_shgroup_uniform_vec4_copy(shgrp, "hairDupliMatrix[2]", dupli_mat[2]); + DRW_shgroup_uniform_vec4_copy(shgrp, "hairDupliMatrix[3]", dupli_mat[3]); + DRW_shgroup_call_no_cull(shgrp, hairs, ob); +} + void OVERLAY_wireframe_cache_populate(OVERLAY_Data *vedata, Object *ob, OVERLAY_DupliData *dupli, bool init_dupli) { - OVERLAY_Data *data = vedata; - OVERLAY_PrivateData *pd = data->stl->pd; + OVERLAY_PrivateData *pd = vedata->stl->pd; const DRWContextState *draw_ctx = DRW_context_state_get(); const bool all_wires = (ob->dtx & OB_DRAW_ALL_EDGES) != 0; const bool is_xray = (ob->dtx & OB_DRAWXRAY) != 0; @@ -134,6 +179,19 @@ void OVERLAY_wireframe_cache_populate(OVERLAY_Data *vedata, const bool use_wire = !is_mesh_verts_only && ((pd->overlay.flag & V3D_OVERLAY_WIREFRAMES) || (ob->dtx & OB_DRAWWIRE) || (ob->dt == OB_WIRE)); + if (use_wire && pd->wireframe_mode && ob->particlesystem.first) { + for (ParticleSystem *psys = ob->particlesystem.first; psys != NULL; psys = psys->next) { + if (!DRW_object_is_visible_psys_in_active_context(ob, psys)) { + continue; + } + ParticleSettings *part = psys->part; + const int draw_as = (part->draw_as == PART_DRAW_REND) ? part->ren_as : part->draw_as; + if (draw_as == PART_DRAW_PATH) { + wireframe_hair_cache_populate(vedata, ob, psys); + } + } + } + if (ELEM(ob->type, OB_CURVE, OB_FONT, OB_SURF)) { OVERLAY_ExtraCallBuffers *cb = OVERLAY_extra_call_buffer_get(vedata, ob); float *color; -- cgit v1.2.3