diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/eevee_volumes.c')
| -rw-r--r-- | source/blender/draw/engines/eevee/eevee_volumes.c | 238 |
1 files changed, 14 insertions, 224 deletions
diff --git a/source/blender/draw/engines/eevee/eevee_volumes.c b/source/blender/draw/engines/eevee/eevee_volumes.c index 0ac6c6ad97c..b8bef61f8b1 100644 --- a/source/blender/draw/engines/eevee/eevee_volumes.c +++ b/source/blender/draw/engines/eevee/eevee_volumes.c @@ -45,30 +45,6 @@ static struct { GPUTexture *dummy_transmit; } e_data = {NULL}; /* Engine data */ -static void eevee_create_textures_volumes(void) -{ - const float zero[4] = {0.0f, 0.0f, 0.0f, 0.0f}; - e_data.dummy_zero = DRW_texture_create_3d(1, 1, 1, GPU_RGBA8, DRW_TEX_WRAP, zero); - - const float one[4] = {1.0f, 1.0f, 1.0f, 1.0f}; - e_data.dummy_one = DRW_texture_create_3d(1, 1, 1, GPU_RGBA8, DRW_TEX_WRAP, one); - - const float flame = 0.0f; - e_data.dummy_flame = DRW_texture_create_3d(1, 1, 1, GPU_R8, DRW_TEX_WRAP, &flame); -} - -static GPUTexture *eevee_volume_default_texture(eGPUVolumeDefaultValue default_value) -{ - switch (default_value) { - case GPU_VOLUME_DEFAULT_0: - return e_data.dummy_zero; - case GPU_VOLUME_DEFAULT_1: - return e_data.dummy_one; - } - - return e_data.dummy_zero; -} - void EEVEE_volumes_set_jitter(EEVEE_ViewLayerData *sldata, uint current_sample) { EEVEE_CommonUniformBuffer *common_data = &sldata->common_data; @@ -224,11 +200,6 @@ void EEVEE_volumes_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) Scene *scene = draw_ctx->scene; DRWShadingGroup *grp = NULL; - /* Textures */ - if (!e_data.dummy_zero) { - eevee_create_textures_volumes(); - } - /* Quick breakdown of the Volumetric rendering: * * The rendering is separated in 4 stages: @@ -265,7 +236,7 @@ void EEVEE_volumes_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) !LOOK_DEV_STUDIO_LIGHT_ENABLED(draw_ctx->v3d)) { struct GPUMaterial *mat = EEVEE_material_get(vedata, scene, NULL, wo, VAR_MAT_VOLUME); - if (GPU_material_has_volume_output(mat)) { + if (mat && GPU_material_has_volume_output(mat)) { grp = DRW_shgroup_material_create(mat, psl->volumetric_world_ps); } @@ -280,11 +251,7 @@ void EEVEE_volumes_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) DRW_shgroup_uniform_block(grp, "renderpass_block", sldata->renderpass_ubo.combined); /* Fix principle volumetric not working with world materials. */ - ListBase gpu_grids = GPU_material_volume_grids(mat); - LISTBASE_FOREACH (GPUMaterialVolumeGrid *, gpu_grid, &gpu_grids) { - DRW_shgroup_uniform_texture( - grp, gpu_grid->sampler_name, eevee_volume_default_texture(gpu_grid->default_value)); - } + grp = DRW_shgroup_volume_create_sub(NULL, NULL, grp, mat); DRW_shgroup_call_procedural_triangles(grp, NULL, common_data->vol_tex_size[2]); @@ -296,186 +263,17 @@ void EEVEE_volumes_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata) /* If no world or volume material is present just clear the buffer with this drawcall */ grp = DRW_shgroup_create(EEVEE_shaders_volumes_clear_sh_get(), psl->volumetric_world_ps); DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); + DRW_shgroup_uniform_block(grp, "grid_block", sldata->grid_ubo); DRW_shgroup_uniform_block(grp, "probe_block", sldata->probe_ubo); + DRW_shgroup_uniform_block(grp, "planar_block", sldata->planar_ubo); DRW_shgroup_uniform_block(grp, "light_block", sldata->light_ubo); + DRW_shgroup_uniform_block(grp, "shadow_block", sldata->shadow_ubo); DRW_shgroup_uniform_block(grp, "renderpass_block", sldata->renderpass_ubo.combined); DRW_shgroup_call_procedural_triangles(grp, NULL, common_data->vol_tex_size[2]); } } -static bool eevee_volume_object_grids_init(Object *ob, ListBase *gpu_grids, DRWShadingGroup *grp) -{ - Volume *volume = ob->data; - BKE_volume_load(volume, G.main); - - /* Test if we need to use multiple transforms. */ - DRWVolumeGrid *first_drw_grid = NULL; - bool multiple_transforms = true; - - LISTBASE_FOREACH (GPUMaterialVolumeGrid *, gpu_grid, gpu_grids) { - const VolumeGrid *volume_grid = BKE_volume_grid_find_for_read(volume, gpu_grid->name); - DRWVolumeGrid *drw_grid = (volume_grid) ? - DRW_volume_batch_cache_get_grid(volume, volume_grid) : - NULL; - - if (drw_grid) { - if (first_drw_grid == NULL) { - first_drw_grid = drw_grid; - } - else if (drw_grid && - !equals_m4m4(drw_grid->object_to_texture, first_drw_grid->object_to_texture)) { - multiple_transforms = true; - break; - } - } - } - - /* Bail out of no grids to render. */ - if (first_drw_grid == NULL) { - return false; - } - - /* Set transform matrix for the volume as a whole. This one is also used for - * clipping so must map the entire bounding box to 0..1. */ - float bounds_to_object[4][4]; - - if (multiple_transforms) { - /* For multiple grids with different transform, we first transform from object space - * to bounds, then for each individual grid from bounds to texture. */ - const BoundBox *bb = BKE_volume_boundbox_get(ob); - float bb_size[3]; - sub_v3_v3v3(bb_size, bb->vec[6], bb->vec[0]); - size_to_mat4(bounds_to_object, bb_size); - copy_v3_v3(bounds_to_object[3], bb->vec[0]); - - invert_m4_m4(first_drw_grid->object_to_bounds, bounds_to_object); - DRW_shgroup_uniform_mat4(grp, "volumeObjectToTexture", first_drw_grid->object_to_bounds); - } - else { - /* All grid transforms are equal, we can transform to texture space immediately. */ - DRW_shgroup_uniform_mat4(grp, "volumeObjectToTexture", first_drw_grid->object_to_texture); - } - - /* Don't use orco transform here, only matrix. */ - DRW_shgroup_uniform_vec3_copy(grp, "volumeOrcoLoc", (float[3]){0.5f, 0.5f, 0.5f}); - DRW_shgroup_uniform_vec3_copy(grp, "volumeOrcoSize", (float[3]){0.5f, 0.5f, 0.5f}); - - /* Set density scale. */ - const float density_scale = BKE_volume_density_scale(volume, ob->obmat); - DRW_shgroup_uniform_float_copy(grp, "volumeDensityScale", density_scale); - - /* Bind volume grid textures. */ - LISTBASE_FOREACH (GPUMaterialVolumeGrid *, gpu_grid, gpu_grids) { - const VolumeGrid *volume_grid = BKE_volume_grid_find_for_read(volume, gpu_grid->name); - DRWVolumeGrid *drw_grid = (volume_grid) ? - DRW_volume_batch_cache_get_grid(volume, volume_grid) : - NULL; - - /* Handle 3 cases here: - * - Grid exists and texture was loaded -> use texture. - * - Grid exists but has zero size or failed to load -> use zero. - * - Grid does not exist -> use default value. */ - GPUTexture *grid_tex = (drw_grid) ? drw_grid->texture : - (volume_grid) ? e_data.dummy_zero : - eevee_volume_default_texture(gpu_grid->default_value); - - DRW_shgroup_uniform_texture(grp, gpu_grid->sampler_name, grid_tex); - - if (drw_grid && multiple_transforms) { - /* Specify per-volume transform matrix that is applied after the - * transform from object to bounds. */ - mul_m4_m4m4(drw_grid->bounds_to_texture, drw_grid->object_to_texture, bounds_to_object); - DRW_shgroup_uniform_mat4(grp, gpu_grid->transform_name, drw_grid->bounds_to_texture); - } - } - - return true; -} - -static bool eevee_volume_object_mesh_init(Scene *scene, - Object *ob, - ListBase *gpu_grids, - DRWShadingGroup *grp) -{ - static const float white[3] = {1.0f, 1.0f, 1.0f}; - ModifierData *md = NULL; - - /* Smoke Simulation */ - if ((md = BKE_modifiers_findby_type(ob, eModifierType_Fluid)) && - (BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) && - ((FluidModifierData *)md)->domain != NULL) { - FluidModifierData *fmd = (FluidModifierData *)md; - FluidDomainSettings *fds = fmd->domain; - - /* Don't try to show liquid domains here. */ - if (!fds->fluid || !(fds->type == FLUID_DOMAIN_TYPE_GAS)) { - return false; - } - - /* Don't show smoke before simulation starts, this could be made an option in the future. */ - /* (sebbas): Always show smoke for manta */ -#if 0 - const DRWContextState *draw_ctx = DRW_context_state_get(); - const bool show_smoke = ((int)DEG_get_ctime(draw_ctx->depsgraph) >= - *fds->point_cache[0]->startframe); -#endif - - if (fds->fluid && (fds->type == FLUID_DOMAIN_TYPE_GAS) /* && show_smoke */) { - DRW_smoke_ensure(fmd, fds->flags & FLUID_DOMAIN_USE_NOISE); - } - - LISTBASE_FOREACH (GPUMaterialVolumeGrid *, gpu_grid, gpu_grids) { - if (STREQ(gpu_grid->name, "density")) { - DRW_shgroup_uniform_texture_ref( - grp, gpu_grid->sampler_name, fds->tex_density ? &fds->tex_density : &e_data.dummy_one); - } - else if (STREQ(gpu_grid->name, "color")) { - DRW_shgroup_uniform_texture_ref( - grp, gpu_grid->sampler_name, fds->tex_color ? &fds->tex_color : &e_data.dummy_one); - } - else if (STR_ELEM(gpu_grid->name, "flame", "temperature")) { - DRW_shgroup_uniform_texture_ref( - grp, gpu_grid->sampler_name, fds->tex_flame ? &fds->tex_flame : &e_data.dummy_flame); - } - else { - DRW_shgroup_uniform_texture( - grp, gpu_grid->sampler_name, eevee_volume_default_texture(gpu_grid->default_value)); - } - } - - /* Constant Volume color. */ - bool use_constant_color = ((fds->active_fields & FLUID_DOMAIN_ACTIVE_COLORS) == 0 && - (fds->active_fields & FLUID_DOMAIN_ACTIVE_COLOR_SET) != 0); - - DRW_shgroup_uniform_vec3( - grp, "volumeColor", (use_constant_color) ? fds->active_color : white, 1); - - /* Output is such that 0..1 maps to 0..1000K */ - DRW_shgroup_uniform_vec2(grp, "volumeTemperature", &fds->flame_ignition, 1); - } - else { - LISTBASE_FOREACH (GPUMaterialVolumeGrid *, gpu_grid, gpu_grids) { - DRW_shgroup_uniform_texture( - grp, gpu_grid->sampler_name, eevee_volume_default_texture(gpu_grid->default_value)); - } - } - - /* Transform for mesh volumes. */ - static const float unit_mat[4][4] = {{1.0f, 0.0f, 0.0f, 0.0f}, - {0.0f, 1.0f, 0.0f, 0.0f}, - {0.0f, 0.0f, 1.0f, 0.0f}, - {0.0f, 0.0f, 0.0f, 1.0f}}; - float *texco_loc, *texco_size; - BKE_mesh_texspace_get_reference((struct Mesh *)ob->data, NULL, &texco_loc, &texco_size); - - DRW_shgroup_uniform_mat4(grp, "volumeObjectToTexture", unit_mat); - DRW_shgroup_uniform_vec3(grp, "volumeOrcoLoc", texco_loc, 1); - DRW_shgroup_uniform_vec3(grp, "volumeOrcoSize", texco_size, 1); - - return true; -} - void EEVEE_volumes_cache_object_add(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata, Scene *scene, @@ -502,15 +300,22 @@ void EEVEE_volumes_cache_object_add(EEVEE_ViewLayerData *sldata, int mat_options = VAR_MAT_VOLUME | VAR_MAT_MESH; struct GPUMaterial *mat = EEVEE_material_get(vedata, scene, ma, NULL, mat_options); - eGPUMaterialStatus status = GPU_material_status(mat); /* If shader failed to compile or is currently compiling. */ - if (status != GPU_MAT_SUCCESS) { + if (mat == NULL) { return; } + /* TODO(fclem): Reuse main shading group to avoid shading binding cost just like for surface + * shaders. */ DRWShadingGroup *grp = DRW_shgroup_material_create(mat, vedata->psl->volumetric_objects_ps); + grp = DRW_shgroup_volume_create_sub(scene, ob, grp, mat); + + if (grp == NULL) { + return; + } + /* TODO(fclem): remove those "unnecessary" UBOs */ DRW_shgroup_uniform_block(grp, "planar_block", sldata->planar_ubo); DRW_shgroup_uniform_block(grp, "probe_block", sldata->probe_ubo); @@ -518,22 +323,7 @@ void EEVEE_volumes_cache_object_add(EEVEE_ViewLayerData *sldata, DRW_shgroup_uniform_block(grp, "light_block", sldata->light_ubo); DRW_shgroup_uniform_block(grp, "grid_block", sldata->grid_ubo); DRW_shgroup_uniform_block(grp, "renderpass_block", sldata->renderpass_ubo.combined); - DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo); - - ListBase gpu_grids = GPU_material_volume_grids(mat); - - if (ob->type == OB_VOLUME) { - if (!eevee_volume_object_grids_init(ob, &gpu_grids, grp)) { - return; - } - } - else { - if (!eevee_volume_object_mesh_init(scene, ob, &gpu_grids, grp)) { - return; - } - } - /* TODO: Reduce to number of slices intersecting. */ /* TODO: Preemptive culling. */ DRW_shgroup_call_procedural_triangles(grp, ob, sldata->common_data.vol_tex_size[2]); |