diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/eevee_lookdev.c')
| -rw-r--r-- | source/blender/draw/engines/eevee/eevee_lookdev.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee/eevee_lookdev.c b/source/blender/draw/engines/eevee/eevee_lookdev.c new file mode 100644 index 00000000000..4abe60242d6 --- /dev/null +++ b/source/blender/draw/engines/eevee/eevee_lookdev.c @@ -0,0 +1,130 @@ +/* + * Copyright 2016, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Contributor(s): Blender Institute + * + */ + +/** \file eevee_lookdev.c + * \ingroup draw_engine + */ +#include "DRW_render.h" + +#include "BKE_camera.h" +#include "BKE_studiolight.h" + +#include "DNA_screen_types.h" + +#include "eevee_private.h" + +void EEVEE_lookdev_cache_init(EEVEE_Data *vedata, DRWShadingGroup **grp, GPUShader *shader, DRWPass *pass, EEVEE_LightProbesInfo *pinfo) +{ + EEVEE_StorageList *stl = vedata->stl; + const DRWContextState *draw_ctx = DRW_context_state_get(); + View3D *v3d = draw_ctx->v3d; + if (v3d && v3d->drawtype == OB_MATERIAL) + { + StudioLight *sl = BKE_studiolight_find(v3d->shading.studio_light, STUDIOLIGHT_ORIENTATION_WORLD); + if ((sl->flag & STUDIOLIGHT_ORIENTATION_WORLD)) { + struct Gwn_Batch *geom = DRW_cache_fullscreen_quad_get(); + + BKE_studiolight_ensure_flag(sl, STUDIOLIGHT_EQUIRECTANGULAR_GPUTEXTURE); + *grp = DRW_shgroup_create(shader, pass); + GPUTexture *tex = sl->equirectangular_gputexture; + DRW_shgroup_uniform_texture(*grp, "image", tex); + + axis_angle_to_mat3_single(stl->studiolight_matrix, 'Z', v3d->shading.studiolight_rot_z); + DRW_shgroup_uniform_mat3(*grp, "StudioLightMatrix", stl->studiolight_matrix); + + DRW_shgroup_uniform_float(*grp, "backgroundAlpha", &stl->g_data->background_alpha, 1); + DRW_shgroup_call_add(*grp, geom, NULL); + + /* Do we need to recalc the lightprobes? */ + if (pinfo && (pinfo->studiolight_index != sl->index || pinfo->studiolight_rot_z != v3d->shading.studiolight_rot_z)) { + pinfo->update_world |= PROBE_UPDATE_ALL; + pinfo->studiolight_index = sl->index; + pinfo->studiolight_rot_z = v3d->shading.studiolight_rot_z; + pinfo->prev_wo_sh_compiled = false; + pinfo->prev_world = NULL; + } + } + } +} + +void EEVEE_lookdev_draw_background(EEVEE_Data *vedata) +{ + EEVEE_PassList *psl = vedata->psl; + EEVEE_StorageList *stl = ((EEVEE_Data *)vedata)->stl; + EEVEE_EffectsInfo *effects = stl->effects; + EEVEE_ViewLayerData *sldata = EEVEE_view_layer_data_ensure(); + + const DRWContextState *draw_ctx = DRW_context_state_get(); + + if (psl->lookdev_pass && draw_ctx->v3d) { + DRW_stats_group_start("Look Dev"); + CameraParams params; + BKE_camera_params_init(¶ms); + View3D *v3d = draw_ctx->v3d; + RegionView3D *rv3d = draw_ctx->rv3d; + ARegion *ar = draw_ctx->ar; + + BKE_camera_params_from_view3d(¶ms, draw_ctx->depsgraph, v3d, rv3d); + params.is_ortho = true; + params.ortho_scale = 4.0; + params.zoom = CAMERA_PARAM_ZOOM_INIT_PERSP; + BKE_camera_params_compute_viewplane(¶ms, ar->winx, ar->winy, 1.0f, 1.0f); + BKE_camera_params_compute_matrix(¶ms); + + const float *viewport_size = DRW_viewport_size_get(); + int viewport_inset_x = viewport_size[0]/4; + int viewport_inset_y = viewport_size[1]/4; + + EEVEE_CommonUniformBuffer *common = &sldata->common_data; + common->la_num_light = 0; + common->prb_num_planar = 0; + common->prb_num_render_cube = 1; + common->prb_num_render_grid = 1; + common->ao_dist = 0.0f; + common->ao_factor = 0.0f; + common->ao_settings = 0.0f; + DRW_uniformbuffer_update(sldata->common_ubo, common); + + /* override matrices */ + float winmat[4][4]; + float winmat_inv[4][4]; + copy_m4_m4(winmat, params.winmat); + invert_m4_m4(winmat_inv, winmat); + DRW_viewport_matrix_override_set(winmat, DRW_MAT_WIN); + DRW_viewport_matrix_override_set(winmat_inv, DRW_MAT_WININV); + float viewmat[4][4]; + DRW_viewport_matrix_get(viewmat, DRW_MAT_VIEW); + float persmat[4][4]; + float persmat_inv[4][4]; + mul_m4_m4m4(persmat, winmat, viewmat); + invert_m4_m4(persmat_inv, persmat); + DRW_viewport_matrix_override_set(persmat, DRW_MAT_PERS); + DRW_viewport_matrix_override_set(persmat_inv, DRW_MAT_PERSINV); + + GPUFrameBuffer *fb = effects->final_fb; + GPU_framebuffer_bind(fb); + GPU_framebuffer_viewport_set(fb, viewport_size[0]-viewport_inset_x, 0, viewport_inset_x, viewport_inset_y); + DRW_draw_pass(psl->lookdev_pass); + + DRW_viewport_matrix_override_unset_all(); + DRW_stats_group_end(); + } +}
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