diff options
Diffstat (limited to 'source/blender/draw/engines/workbench/workbench_volume.c')
-rw-r--r-- | source/blender/draw/engines/workbench/workbench_volume.c | 323 |
1 files changed, 163 insertions, 160 deletions
diff --git a/source/blender/draw/engines/workbench/workbench_volume.c b/source/blender/draw/engines/workbench/workbench_volume.c index 0f5debc46d8..accc7e91576 100644 --- a/source/blender/draw/engines/workbench/workbench_volume.c +++ b/source/blender/draw/engines/workbench/workbench_volume.c @@ -35,20 +35,20 @@ #include "GPU_draw.h" enum { - VOLUME_SH_SLICE = 0, - VOLUME_SH_COBA, - VOLUME_SH_CUBIC, + VOLUME_SH_SLICE = 0, + VOLUME_SH_COBA, + VOLUME_SH_CUBIC, }; #define VOLUME_SH_MAX (1 << (VOLUME_SH_CUBIC + 1)) static struct { - struct GPUShader *volume_sh[VOLUME_SH_MAX]; - struct GPUShader *volume_coba_sh; - struct GPUShader *volume_slice_sh; - struct GPUShader *volume_slice_coba_sh; - struct GPUTexture *dummy_tex; - struct GPUTexture *dummy_coba_tex; + struct GPUShader *volume_sh[VOLUME_SH_MAX]; + struct GPUShader *volume_coba_sh; + struct GPUShader *volume_slice_sh; + struct GPUShader *volume_slice_coba_sh; + struct GPUTexture *dummy_tex; + struct GPUTexture *dummy_coba_tex; } e_data = {{NULL}}; extern char datatoc_workbench_volume_vert_glsl[]; @@ -56,174 +56,177 @@ extern char datatoc_workbench_volume_frag_glsl[]; static GPUShader *volume_shader_get(bool slice, bool coba, bool cubic) { - int id = 0; - id += (slice) ? (1 << VOLUME_SH_SLICE) : 0; - id += (coba) ? (1 << VOLUME_SH_COBA) : 0; - id += (cubic) ? (1 << VOLUME_SH_CUBIC) : 0; - - if (!e_data.volume_sh[id]) { - DynStr *ds = BLI_dynstr_new(); - - if (slice) { - BLI_dynstr_append(ds, "#define VOLUME_SLICE\n"); - } - if (coba) { - BLI_dynstr_append(ds, "#define USE_COBA\n"); - } - if (cubic) { - BLI_dynstr_append(ds, "#define USE_TRICUBIC\n"); - } - - char *defines = BLI_dynstr_get_cstring(ds); - BLI_dynstr_free(ds); - - e_data.volume_sh[id] = DRW_shader_create( - datatoc_workbench_volume_vert_glsl, NULL, - datatoc_workbench_volume_frag_glsl, - defines); - - MEM_freeN(defines); - } - - return e_data.volume_sh[id]; + int id = 0; + id += (slice) ? (1 << VOLUME_SH_SLICE) : 0; + id += (coba) ? (1 << VOLUME_SH_COBA) : 0; + id += (cubic) ? (1 << VOLUME_SH_CUBIC) : 0; + + if (!e_data.volume_sh[id]) { + DynStr *ds = BLI_dynstr_new(); + + if (slice) { + BLI_dynstr_append(ds, "#define VOLUME_SLICE\n"); + } + if (coba) { + BLI_dynstr_append(ds, "#define USE_COBA\n"); + } + if (cubic) { + BLI_dynstr_append(ds, "#define USE_TRICUBIC\n"); + } + + char *defines = BLI_dynstr_get_cstring(ds); + BLI_dynstr_free(ds); + + e_data.volume_sh[id] = DRW_shader_create( + datatoc_workbench_volume_vert_glsl, NULL, datatoc_workbench_volume_frag_glsl, defines); + + MEM_freeN(defines); + } + + return e_data.volume_sh[id]; } void workbench_volume_engine_init(void) { - if (!e_data.dummy_tex) { - float pixel[4] = {0.0f, 0.0f, 0.0f, 0.0f}; - e_data.dummy_tex = GPU_texture_create_3d(1, 1, 1, GPU_RGBA8, pixel, NULL); - e_data.dummy_coba_tex = GPU_texture_create_1d(1, GPU_RGBA8, pixel, NULL); - } + if (!e_data.dummy_tex) { + float pixel[4] = {0.0f, 0.0f, 0.0f, 0.0f}; + e_data.dummy_tex = GPU_texture_create_3d(1, 1, 1, GPU_RGBA8, pixel, NULL); + e_data.dummy_coba_tex = GPU_texture_create_1d(1, GPU_RGBA8, pixel, NULL); + } } void workbench_volume_engine_free(void) { - for (int i = 0; i < VOLUME_SH_MAX; ++i) { - DRW_SHADER_FREE_SAFE(e_data.volume_sh[i]); - } - DRW_TEXTURE_FREE_SAFE(e_data.dummy_tex); - DRW_TEXTURE_FREE_SAFE(e_data.dummy_coba_tex); + for (int i = 0; i < VOLUME_SH_MAX; ++i) { + DRW_SHADER_FREE_SAFE(e_data.volume_sh[i]); + } + DRW_TEXTURE_FREE_SAFE(e_data.dummy_tex); + DRW_TEXTURE_FREE_SAFE(e_data.dummy_coba_tex); } void workbench_volume_cache_init(WORKBENCH_Data *vedata) { - vedata->psl->volume_pass = DRW_pass_create("Volumes", DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_PREMUL | DRW_STATE_CULL_FRONT); + vedata->psl->volume_pass = DRW_pass_create( + "Volumes", DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_PREMUL | DRW_STATE_CULL_FRONT); } -void workbench_volume_cache_populate(WORKBENCH_Data *vedata, Scene *scene, Object *ob, ModifierData *md) +void workbench_volume_cache_populate(WORKBENCH_Data *vedata, + Scene *scene, + Object *ob, + ModifierData *md) { - SmokeModifierData *smd = (SmokeModifierData *)md; - SmokeDomainSettings *sds = smd->domain; - WORKBENCH_PrivateData *wpd = vedata->stl->g_data; - WORKBENCH_EffectInfo *effect_info = vedata->stl->effects; - DefaultTextureList *dtxl = DRW_viewport_texture_list_get(); - DRWShadingGroup *grp = NULL; - - /* Don't show smoke before simulation starts, this could be made an option in the future. */ - if (!sds->fluid || CFRA < sds->point_cache[0]->startframe) { - return; - } - - wpd->volumes_do = true; - const bool show_highres = BKE_smoke_show_highres(scene, sds); - if (sds->use_coba) { - GPU_create_smoke_coba_field(smd); - } - else if (!sds->wt || !show_highres) { - GPU_create_smoke(smd, 0); - } - else if (sds->wt && show_highres) { - GPU_create_smoke(smd, 1); - } - - if ((!sds->use_coba && sds->tex == NULL) || - (sds->use_coba && sds->tex_field == NULL)) - { - return; - } - - const bool use_slice = (sds->slice_method == MOD_SMOKE_SLICE_AXIS_ALIGNED && - sds->axis_slice_method == AXIS_SLICE_SINGLE); - const bool cubic_interp = (sds->interp_method == VOLUME_INTERP_CUBIC); - GPUShader *sh = volume_shader_get(use_slice, sds->use_coba, cubic_interp); - - if (use_slice) { - float invviewmat[4][4]; - DRW_viewport_matrix_get(invviewmat, DRW_MAT_VIEWINV); - - const int axis = (sds->slice_axis == SLICE_AXIS_AUTO) - ? axis_dominant_v3_single(invviewmat[2]) - : sds->slice_axis - 1; - float dim[3]; - BKE_object_dimensions_get(ob, dim); - /* 0.05f to acheive somewhat the same opacity as the full view. */ - float step_length = max_ff(1e-16f, dim[axis] * 0.05f); - - grp = DRW_shgroup_create(sh, vedata->psl->volume_pass); - DRW_shgroup_uniform_float_copy(grp, "slicePosition", sds->slice_depth); - DRW_shgroup_uniform_int_copy(grp, "sliceAxis", axis); - DRW_shgroup_uniform_float_copy(grp, "stepLength", step_length); - DRW_shgroup_state_disable(grp, DRW_STATE_CULL_FRONT); - } - else { - double noise_ofs; - BLI_halton_1d(3, 0.0, effect_info->jitter_index, &noise_ofs); - float dim[3], step_length, max_slice; - float slice_ct[3] = {sds->res[0], sds->res[1], sds->res[2]}; - mul_v3_fl(slice_ct, max_ff(0.001f, sds->slice_per_voxel)); - max_slice = max_fff(slice_ct[0], slice_ct[1], slice_ct[2]); - BKE_object_dimensions_get(ob, dim); - invert_v3(slice_ct); - mul_v3_v3(dim, slice_ct); - step_length = len_v3(dim); - - grp = DRW_shgroup_create(sh, vedata->psl->volume_pass); - DRW_shgroup_uniform_vec4(grp, "viewvecs[0]", (float *)wpd->viewvecs, 3); - DRW_shgroup_uniform_int_copy(grp, "samplesLen", max_slice); - DRW_shgroup_uniform_float_copy(grp, "stepLength", step_length); - DRW_shgroup_uniform_float_copy(grp, "noiseOfs", noise_ofs); - DRW_shgroup_state_enable(grp, DRW_STATE_CULL_FRONT); - } - - if (sds->use_coba) { - DRW_shgroup_uniform_texture(grp, "densityTexture", sds->tex_field); - DRW_shgroup_uniform_texture(grp, "transferTexture", sds->tex_coba); - } - else { - static float white[3] = {1.0f, 1.0f, 1.0f}; - bool use_constant_color = ((sds->active_fields & SM_ACTIVE_COLORS) == 0 && - (sds->active_fields & SM_ACTIVE_COLOR_SET) != 0); - DRW_shgroup_uniform_texture(grp, "densityTexture", sds->tex); - DRW_shgroup_uniform_texture(grp, "shadowTexture", sds->tex_shadow); - DRW_shgroup_uniform_texture(grp, "flameTexture", (sds->tex_flame) ? sds->tex_flame : e_data.dummy_tex); - DRW_shgroup_uniform_texture(grp, "flameColorTexture", (sds->tex_flame) ? sds->tex_flame_coba : e_data.dummy_coba_tex); - DRW_shgroup_uniform_vec3(grp, "activeColor", (use_constant_color) ? sds->active_color : white, 1); - } - DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &dtxl->depth); - DRW_shgroup_uniform_float_copy(grp, "densityScale", 10.0f * sds->display_thickness); - - if (use_slice) { - DRW_shgroup_call_object_add(grp, DRW_cache_quad_get(), ob); - } - else { - DRW_shgroup_call_object_add(grp, DRW_cache_cube_get(), ob); - } - - BLI_addtail(&wpd->smoke_domains, BLI_genericNodeN(smd)); + SmokeModifierData *smd = (SmokeModifierData *)md; + SmokeDomainSettings *sds = smd->domain; + WORKBENCH_PrivateData *wpd = vedata->stl->g_data; + WORKBENCH_EffectInfo *effect_info = vedata->stl->effects; + DefaultTextureList *dtxl = DRW_viewport_texture_list_get(); + DRWShadingGroup *grp = NULL; + + /* Don't show smoke before simulation starts, this could be made an option in the future. */ + if (!sds->fluid || CFRA < sds->point_cache[0]->startframe) { + return; + } + + wpd->volumes_do = true; + const bool show_highres = BKE_smoke_show_highres(scene, sds); + if (sds->use_coba) { + GPU_create_smoke_coba_field(smd); + } + else if (!sds->wt || !show_highres) { + GPU_create_smoke(smd, 0); + } + else if (sds->wt && show_highres) { + GPU_create_smoke(smd, 1); + } + + if ((!sds->use_coba && sds->tex == NULL) || (sds->use_coba && sds->tex_field == NULL)) { + return; + } + + const bool use_slice = (sds->slice_method == MOD_SMOKE_SLICE_AXIS_ALIGNED && + sds->axis_slice_method == AXIS_SLICE_SINGLE); + const bool cubic_interp = (sds->interp_method == VOLUME_INTERP_CUBIC); + GPUShader *sh = volume_shader_get(use_slice, sds->use_coba, cubic_interp); + + if (use_slice) { + float invviewmat[4][4]; + DRW_viewport_matrix_get(invviewmat, DRW_MAT_VIEWINV); + + const int axis = (sds->slice_axis == SLICE_AXIS_AUTO) ? + axis_dominant_v3_single(invviewmat[2]) : + sds->slice_axis - 1; + float dim[3]; + BKE_object_dimensions_get(ob, dim); + /* 0.05f to acheive somewhat the same opacity as the full view. */ + float step_length = max_ff(1e-16f, dim[axis] * 0.05f); + + grp = DRW_shgroup_create(sh, vedata->psl->volume_pass); + DRW_shgroup_uniform_float_copy(grp, "slicePosition", sds->slice_depth); + DRW_shgroup_uniform_int_copy(grp, "sliceAxis", axis); + DRW_shgroup_uniform_float_copy(grp, "stepLength", step_length); + DRW_shgroup_state_disable(grp, DRW_STATE_CULL_FRONT); + } + else { + double noise_ofs; + BLI_halton_1d(3, 0.0, effect_info->jitter_index, &noise_ofs); + float dim[3], step_length, max_slice; + float slice_ct[3] = {sds->res[0], sds->res[1], sds->res[2]}; + mul_v3_fl(slice_ct, max_ff(0.001f, sds->slice_per_voxel)); + max_slice = max_fff(slice_ct[0], slice_ct[1], slice_ct[2]); + BKE_object_dimensions_get(ob, dim); + invert_v3(slice_ct); + mul_v3_v3(dim, slice_ct); + step_length = len_v3(dim); + + grp = DRW_shgroup_create(sh, vedata->psl->volume_pass); + DRW_shgroup_uniform_vec4(grp, "viewvecs[0]", (float *)wpd->viewvecs, 3); + DRW_shgroup_uniform_int_copy(grp, "samplesLen", max_slice); + DRW_shgroup_uniform_float_copy(grp, "stepLength", step_length); + DRW_shgroup_uniform_float_copy(grp, "noiseOfs", noise_ofs); + DRW_shgroup_state_enable(grp, DRW_STATE_CULL_FRONT); + } + + if (sds->use_coba) { + DRW_shgroup_uniform_texture(grp, "densityTexture", sds->tex_field); + DRW_shgroup_uniform_texture(grp, "transferTexture", sds->tex_coba); + } + else { + static float white[3] = {1.0f, 1.0f, 1.0f}; + bool use_constant_color = ((sds->active_fields & SM_ACTIVE_COLORS) == 0 && + (sds->active_fields & SM_ACTIVE_COLOR_SET) != 0); + DRW_shgroup_uniform_texture(grp, "densityTexture", sds->tex); + DRW_shgroup_uniform_texture(grp, "shadowTexture", sds->tex_shadow); + DRW_shgroup_uniform_texture( + grp, "flameTexture", (sds->tex_flame) ? sds->tex_flame : e_data.dummy_tex); + DRW_shgroup_uniform_texture( + grp, "flameColorTexture", (sds->tex_flame) ? sds->tex_flame_coba : e_data.dummy_coba_tex); + DRW_shgroup_uniform_vec3( + grp, "activeColor", (use_constant_color) ? sds->active_color : white, 1); + } + DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &dtxl->depth); + DRW_shgroup_uniform_float_copy(grp, "densityScale", 10.0f * sds->display_thickness); + + if (use_slice) { + DRW_shgroup_call_object_add(grp, DRW_cache_quad_get(), ob); + } + else { + DRW_shgroup_call_object_add(grp, DRW_cache_cube_get(), ob); + } + + BLI_addtail(&wpd->smoke_domains, BLI_genericNodeN(smd)); } void workbench_volume_smoke_textures_free(WORKBENCH_PrivateData *wpd) { - /* Free Smoke Textures after rendering */ - /* XXX This is a waste of processing and GPU bandwidth if nothing - * is updated. But the problem is since Textures are stored in the - * modifier we don't want them to take precious VRAM if the - * modifier is not used for display. We should share them for - * all viewport in a redraw at least. */ - for (LinkData *link = wpd->smoke_domains.first; link; link = link->next) { - SmokeModifierData *smd = (SmokeModifierData *)link->data; - GPU_free_smoke(smd); - } - BLI_freelistN(&wpd->smoke_domains); + /* Free Smoke Textures after rendering */ + /* XXX This is a waste of processing and GPU bandwidth if nothing + * is updated. But the problem is since Textures are stored in the + * modifier we don't want them to take precious VRAM if the + * modifier is not used for display. We should share them for + * all viewport in a redraw at least. */ + for (LinkData *link = wpd->smoke_domains.first; link; link = link->next) { + SmokeModifierData *smd = (SmokeModifierData *)link->data; + GPU_free_smoke(smd); + } + BLI_freelistN(&wpd->smoke_domains); } |