overlay_lattice.cc

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/* SPDX-FileCopyrightText: 2019 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "DRW_render.hh"
 
#include "overlay_private.hh"
 
void OVERLAY_edit_lattice_cache_init(OVERLAY_Data *vedata)
{
  OVERLAY_PassList *psl = vedata->psl;
  OVERLAY_PrivateData *pd = vedata->stl->pd;
  GPUShader *sh;
  DRWShadingGroup *grp;
 
  {
    DRWState state = DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL;
    DRW_PASS_CREATE(psl->edit_lattice_ps, state | pd->clipping_state);
 
    sh = OVERLAY_shader_edit_lattice_wire();
    pd->edit_lattice_wires_grp = grp = DRW_shgroup_create(sh, psl->edit_lattice_ps);
    DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
    DRW_shgroup_uniform_texture(grp, "weightTex", G_draw.weight_ramp);
 
    sh = OVERLAY_shader_edit_lattice_point();
    pd->edit_lattice_points_grp = grp = DRW_shgroup_create(sh, psl->edit_lattice_ps);
    DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
  }
}
 
void OVERLAY_edit_lattice_cache_populate(OVERLAY_Data *vedata, Object *ob)
{
  OVERLAY_PrivateData *pd = vedata->stl->pd;
  blender::gpu::Batch *geom;
 
  geom = DRW_cache_lattice_wire_get(ob, true);
  DRW_shgroup_call(pd->edit_lattice_wires_grp, geom, ob);
 
  geom = DRW_cache_lattice_vert_overlay_get(ob);
  DRW_shgroup_call(pd->edit_lattice_points_grp, geom, ob);
}
 
void OVERLAY_lattice_cache_populate(OVERLAY_Data *vedata, Object *ob)
{
  OVERLAY_ExtraCallBuffers *cb = OVERLAY_extra_call_buffer_get(vedata, ob);
  const DRWContextState *draw_ctx = DRW_context_state_get();
 
  float *color;
  DRW_object_wire_theme_get(ob, draw_ctx->view_layer, &color);
 
  blender::gpu::Batch *geom = DRW_cache_lattice_wire_get(ob, false);
  OVERLAY_extra_wire(cb, geom, ob->object_to_world().ptr(), color);
}
 
void OVERLAY_edit_lattice_draw(OVERLAY_Data *vedata)
{
  OVERLAY_PassList *psl = vedata->psl;
  OVERLAY_FramebufferList *fbl = vedata->fbl;
 
  if (DRW_state_is_fbo()) {
    GPU_framebuffer_bind(fbl->overlay_default_fb);
  }
 
  DRW_draw_pass(psl->edit_lattice_ps);
}