diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/eevee_lookdev.c')
| -rw-r--r-- | source/blender/draw/engines/eevee/eevee_lookdev.c | 217 |
1 files changed, 217 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..2e568d97c07 --- /dev/null +++ b/source/blender/draw/engines/eevee/eevee_lookdev.c @@ -0,0 +1,217 @@ +/* + * 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 "DNA_world_types.h" + +#include "DEG_depsgraph_query.h" + +#include "ED_screen.h" + +#include "eevee_private.h" +#include "eevee_lightcache.h" + +static void eevee_lookdev_lightcache_delete(EEVEE_Data *vedata) +{ + EEVEE_StorageList *stl = vedata->stl; + EEVEE_TextureList *txl = vedata->txl; + + MEM_SAFE_FREE(stl->lookdev_lightcache); + MEM_SAFE_FREE(stl->lookdev_grid_data); + MEM_SAFE_FREE(stl->lookdev_cube_data); + DRW_TEXTURE_FREE_SAFE(txl->lookdev_grid_tx); + DRW_TEXTURE_FREE_SAFE(txl->lookdev_cube_tx); +} + +void EEVEE_lookdev_cache_init( + EEVEE_Data *vedata, DRWShadingGroup **grp, GPUShader *shader, DRWPass *pass, + World *world, EEVEE_LightProbesInfo *pinfo) +{ + EEVEE_StorageList *stl = vedata->stl; + EEVEE_TextureList *txl = vedata->txl; + const DRWContextState *draw_ctx = DRW_context_state_get(); + View3D *v3d = draw_ctx->v3d; + if (LOOK_DEV_STUDIO_LIGHT_ENABLED(v3d)) { + StudioLight *sl = BKE_studiolight_find(v3d->shading.studio_light, STUDIOLIGHT_ORIENTATIONS_MATERIAL_MODE); + if (sl && (sl->flag & STUDIOLIGHT_ORIENTATION_WORLD)) { + struct Gwn_Batch *geom = DRW_cache_fullscreen_quad_get(); + GPUTexture *tex = NULL; + + /* If one of the component is missing we start from scratch. */ + if ((stl->lookdev_grid_data == NULL) || + (stl->lookdev_cube_data == NULL) || + (txl->lookdev_grid_tx == NULL) || + (txl->lookdev_cube_tx == NULL)) + { + eevee_lookdev_lightcache_delete(vedata); + } + + if (stl->lookdev_lightcache == NULL) { + const Scene *scene_eval = DEG_get_evaluated_scene(draw_ctx->depsgraph); +#if defined(IRRADIANCE_SH_L2) + int grid_res = 4; +#elif defined(IRRADIANCE_CUBEMAP) + int grid_res = 8; +#elif defined(IRRADIANCE_HL2) + int grid_res = 4; +#endif + int cube_res = OCTAHEDRAL_SIZE_FROM_CUBESIZE(scene_eval->eevee.gi_cubemap_resolution); + int vis_res = scene_eval->eevee.gi_visibility_resolution; + + stl->lookdev_lightcache = EEVEE_lightcache_create(1, 1, cube_res, vis_res, (int[3]){grid_res, grid_res, 1}); + + /* We do this to use a special light cache for lookdev. + * This lightcache needs to be per viewport. But we need to + * have correct freeing when the viewport is closed. So we + * need to reference all textures to the txl and the memblocks + * to the stl. */ + stl->lookdev_grid_data = stl->lookdev_lightcache->grid_data; + stl->lookdev_cube_data = stl->lookdev_lightcache->cube_data; + stl->lookdev_cube_mips = stl->lookdev_lightcache->cube_mips; + txl->lookdev_grid_tx = stl->lookdev_lightcache->grid_tx.tex; + txl->lookdev_cube_tx = stl->lookdev_lightcache->cube_tx.tex; + } + + stl->g_data->light_cache = stl->lookdev_lightcache; + + *grp = DRW_shgroup_create(shader, pass); + axis_angle_to_mat3_single(stl->g_data->studiolight_matrix, 'Z', v3d->shading.studiolight_rot_z); + DRW_shgroup_uniform_mat3(*grp, "StudioLightMatrix", stl->g_data->studiolight_matrix); + + if (world) { + DRW_shgroup_uniform_vec3(*grp, "color", &world->horr, 1); + } + DRW_shgroup_uniform_float(*grp, "backgroundAlpha", &stl->g_data->background_alpha, 1); + DRW_shgroup_call_add(*grp, geom, NULL); + if (!pinfo) { + /* Do not fadeout when doing probe rendering, only when drawing the background */ + DRW_shgroup_uniform_float(*grp, "studioLightBackground", &v3d->shading.studiolight_background, 1); + if (v3d->shading.studiolight_background > 0.0f) { + BKE_studiolight_ensure_flag(sl, STUDIOLIGHT_EQUIRECTANGULAR_IRRADIANCE_GPUTEXTURE); + tex = sl->equirectangular_irradiance_gputexture; + } + } + else { + BKE_studiolight_ensure_flag(sl, STUDIOLIGHT_EQUIRECTANGULAR_RADIANCE_GPUTEXTURE); + tex = sl->equirectangular_radiance_gputexture; + } + if (tex != NULL) { + DRW_shgroup_uniform_texture(*grp, "image", tex); + } + + /* Do we need to recalc the lightprobes? */ + if (pinfo && + ((pinfo->studiolight_index != sl->index) || + (pinfo->studiolight_rot_z != v3d->shading.studiolight_rot_z))) + { + stl->lookdev_lightcache->flag |= LIGHTCACHE_UPDATE_WORLD; + pinfo->studiolight_index = sl->index; + pinfo->studiolight_rot_z = v3d->shading.studiolight_rot_z; + } + } + } +} + +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(); + DefaultFramebufferList *dfbl = DRW_viewport_framebuffer_list_get(); + + const DRWContextState *draw_ctx = DRW_context_state_get(); + + if (psl->lookdev_pass && LOOK_DEV_OVERLAY_ENABLED(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 = 3.0f; + params.zoom = CAMERA_PARAM_ZOOM_INIT_PERSP; + params.offsetx = 0.0f; + params.offsety = 0.0f; + params.shiftx = 0.0f; + params.shifty = 0.0f; + params.clipsta = 0.001f; + params.clipend = 20.0f; + 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(); + rcti rect; + ED_region_visible_rect(draw_ctx->ar, &rect); + 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, rect.xmax - viewport_inset_x, rect.ymin, viewport_inset_x, viewport_inset_y); + DRW_draw_pass(psl->lookdev_pass); + + fb = dfbl->depth_only_fb; + GPU_framebuffer_bind(fb); + GPU_framebuffer_viewport_set(fb, rect.xmax - viewport_inset_x, rect.ymin, viewport_inset_x, viewport_inset_y); + DRW_draw_pass(psl->lookdev_pass); + + DRW_viewport_matrix_override_unset_all(); + DRW_stats_group_end(); + } +} |