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Differential D3855 Diff 20257 source/blender/draw/engines/workbench/workbench_volume.c

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source/blender/draw/engines/workbench/workbench_volume.c

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/** \file /** \file
* \ingroup draw_engine * \ingroup draw_engine
*/ */
#include "workbench_private.h" #include "workbench_private.h"
#include "BKE_object.h" #include "BKE_object.h"
#include "BKE_smoke.h" #include "BKE_manta.h"
#include "BLI_rand.h" #include "BLI_rand.h"
#include "BLI_dynstr.h" #include "BLI_dynstr.h"
#include "BLI_string_utils.h" #include "BLI_string_utils.h"
#include "DNA_modifier_types.h" #include "DNA_modifier_types.h"
#include "DNA_object_force_types.h" #include "DNA_object_force_types.h"
#include "DNA_smoke_types.h" #include "DNA_manta_types.h"
#include "GPU_draw.h" #include "GPU_draw.h"
enum { enum {
VOLUME_SH_SLICE = 0, VOLUME_SH_SLICE = 0,
VOLUME_SH_COBA, VOLUME_SH_COBA,
VOLUME_SH_CUBIC, VOLUME_SH_CUBIC,
}; };
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void workbench_volume_cache_init(WORKBENCH_Data *vedata) void workbench_volume_cache_init(WORKBENCH_Data *vedata)
{ {
vedata->psl->volume_pass = DRW_pass_create( vedata->psl->volume_pass = DRW_pass_create(
"Volumes", DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA_PREMUL | DRW_STATE_CULL_FRONT); "Volumes", DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA_PREMUL | DRW_STATE_CULL_FRONT);
} }
void workbench_volume_cache_populate(WORKBENCH_Data *vedata, void workbench_volume_cache_populate(WORKBENCH_Data *vedata,
Scene *scene, Scene *UNUSED(scene),
Object *ob, Object *ob,
ModifierData *md) ModifierData *md)
{ {
SmokeModifierData *smd = (SmokeModifierData *)md; FluidModifierData *mmd = (FluidModifierData *)md;
SmokeDomainSettings *sds = smd->domain; FluidDomainSettings *mds = mmd->domain;
WORKBENCH_PrivateData *wpd = vedata->stl->g_data; WORKBENCH_PrivateData *wpd = vedata->stl->g_data;
WORKBENCH_EffectInfo *effect_info = vedata->stl->effects; WORKBENCH_EffectInfo *effect_info = vedata->stl->effects;
DefaultTextureList *dtxl = DRW_viewport_texture_list_get(); DefaultTextureList *dtxl = DRW_viewport_texture_list_get();
DRWShadingGroup *grp = NULL; DRWShadingGroup *grp = NULL;
/* Don't show smoke before simulation starts, this could be made an option in the future. */ /* Don't try to show liquid domains here */
if (!sds->fluid || CFRA < sds->point_cache[0]->startframe) { if (!mds->fluid || !(mds->type == FLUID_DOMAIN_TYPE_GAS)) {
return; return;
} }
wpd->volumes_do = true; wpd->volumes_do = true;
const bool show_highres = BKE_smoke_show_highres(scene, sds); if (mds->use_coba) {
if (sds->use_coba) { GPU_create_smoke_coba_field(mmd);
GPU_create_smoke_coba_field(smd);
} }
else if (!sds->wt || !show_highres) { else if (!(mds->flags & FLUID_DOMAIN_USE_NOISE)) {
GPU_create_smoke(smd, 0); GPU_create_smoke(mmd, 0);
} }
else if (sds->wt && show_highres) { else if (mds->flags & FLUID_DOMAIN_USE_NOISE) {
GPU_create_smoke(smd, 1); GPU_create_smoke(mmd, 1);
} }
if ((!sds->use_coba && sds->tex == NULL) || (sds->use_coba && sds->tex_field == NULL)) { if ((!mds->use_coba && mds->tex == NULL) || (mds->use_coba && mds->tex_field == NULL)) {
return; return;
} }
const bool use_slice = (sds->slice_method == MOD_SMOKE_SLICE_AXIS_ALIGNED && const bool use_slice = (mds->slice_method == FLUID_DOMAIN_SLICE_AXIS_ALIGNED &&
sds->axis_slice_method == AXIS_SLICE_SINGLE); mds->axis_slice_method == AXIS_SLICE_SINGLE);
const bool cubic_interp = (sds->interp_method == VOLUME_INTERP_CUBIC); const bool cubic_interp = (mds->interp_method == VOLUME_INTERP_CUBIC);
GPUShader *sh = volume_shader_get(use_slice, sds->use_coba, cubic_interp); GPUShader *sh = volume_shader_get(use_slice, mds->use_coba, cubic_interp);
if (use_slice) { if (use_slice) {
float invviewmat[4][4]; float invviewmat[4][4];
DRW_view_viewmat_get(NULL, invviewmat, true); DRW_view_viewmat_get(NULL, invviewmat, true);
const int axis = (sds->slice_axis == SLICE_AXIS_AUTO) ? const int axis = (mds->slice_axis == SLICE_AXIS_AUTO) ?
axis_dominant_v3_single(invviewmat[2]) : axis_dominant_v3_single(invviewmat[2]) :
sds->slice_axis - 1; mds->slice_axis - 1;
float dim[3]; float dim[3];
BKE_object_dimensions_get(ob, dim); BKE_object_dimensions_get(ob, dim);
/* 0.05f to achieve somewhat the same opacity as the full view. */ /* 0.05f to achieve somewhat the same opacity as the full view. */
float step_length = max_ff(1e-16f, dim[axis] * 0.05f); float step_length = max_ff(1e-16f, dim[axis] * 0.05f);
grp = DRW_shgroup_create(sh, vedata->psl->volume_pass); grp = DRW_shgroup_create(sh, vedata->psl->volume_pass);
DRW_shgroup_uniform_float_copy(grp, "slicePosition", sds->slice_depth); DRW_shgroup_uniform_float_copy(grp, "slicePosition", mds->slice_depth);
DRW_shgroup_uniform_int_copy(grp, "sliceAxis", axis); DRW_shgroup_uniform_int_copy(grp, "sliceAxis", axis);
DRW_shgroup_uniform_float_copy(grp, "stepLength", step_length); DRW_shgroup_uniform_float_copy(grp, "stepLength", step_length);
DRW_shgroup_state_disable(grp, DRW_STATE_CULL_FRONT); DRW_shgroup_state_disable(grp, DRW_STATE_CULL_FRONT);
} }
else { else {
double noise_ofs; double noise_ofs;
BLI_halton_1d(3, 0.0, effect_info->jitter_index, &noise_ofs); BLI_halton_1d(3, 0.0, effect_info->jitter_index, &noise_ofs);
float dim[3], step_length, max_slice; float dim[3], step_length, max_slice;
float slice_ct[3] = {sds->res[0], sds->res[1], sds->res[2]}; float slice_ct[3] = {mds->res[0], mds->res[1], mds->res[2]};
mul_v3_fl(slice_ct, max_ff(0.001f, sds->slice_per_voxel)); mul_v3_fl(slice_ct, max_ff(0.001f, mds->slice_per_voxel));
max_slice = max_fff(slice_ct[0], slice_ct[1], slice_ct[2]); max_slice = max_fff(slice_ct[0], slice_ct[1], slice_ct[2]);
BKE_object_dimensions_get(ob, dim); BKE_object_dimensions_get(ob, dim);
invert_v3(slice_ct); invert_v3(slice_ct);
mul_v3_v3(dim, slice_ct); mul_v3_v3(dim, slice_ct);
step_length = len_v3(dim); step_length = len_v3(dim);
grp = DRW_shgroup_create(sh, vedata->psl->volume_pass); grp = DRW_shgroup_create(sh, vedata->psl->volume_pass);
DRW_shgroup_uniform_vec4(grp, "viewvecs[0]", (float *)wpd->viewvecs, 3); DRW_shgroup_uniform_vec4(grp, "viewvecs[0]", (float *)wpd->viewvecs, 3);
DRW_shgroup_uniform_int_copy(grp, "samplesLen", max_slice); DRW_shgroup_uniform_int_copy(grp, "samplesLen", max_slice);
DRW_shgroup_uniform_float_copy(grp, "stepLength", step_length); DRW_shgroup_uniform_float_copy(grp, "stepLength", step_length);
DRW_shgroup_uniform_float_copy(grp, "noiseOfs", noise_ofs); DRW_shgroup_uniform_float_copy(grp, "noiseOfs", noise_ofs);
DRW_shgroup_state_enable(grp, DRW_STATE_CULL_FRONT); DRW_shgroup_state_enable(grp, DRW_STATE_CULL_FRONT);
} }
if (sds->use_coba) { if (mds->use_coba) {
DRW_shgroup_uniform_texture(grp, "densityTexture", sds->tex_field); DRW_shgroup_uniform_texture(grp, "densityTexture", mds->tex_field);
DRW_shgroup_uniform_texture(grp, "transferTexture", sds->tex_coba); DRW_shgroup_uniform_texture(grp, "transferTexture", mds->tex_coba);
} }
else { else {
static float white[3] = {1.0f, 1.0f, 1.0f}; static float white[3] = {1.0f, 1.0f, 1.0f};
bool use_constant_color = ((sds->active_fields & SM_ACTIVE_COLORS) == 0 && bool use_constant_color = ((mds->active_fields & FLUID_DOMAIN_ACTIVE_COLORS) == 0 &&
(sds->active_fields & SM_ACTIVE_COLOR_SET) != 0); (mds->active_fields & FLUID_DOMAIN_ACTIVE_COLOR_SET) != 0);
DRW_shgroup_uniform_texture(grp, "densityTexture", sds->tex); DRW_shgroup_uniform_texture(grp, "densityTexture", mds->tex);
DRW_shgroup_uniform_texture(grp, "shadowTexture", sds->tex_shadow); DRW_shgroup_uniform_texture(grp, "shadowTexture", mds->tex_shadow);
DRW_shgroup_uniform_texture( DRW_shgroup_uniform_texture(
grp, "flameTexture", (sds->tex_flame) ? sds->tex_flame : e_data.dummy_tex); grp, "flameTexture", (mds->tex_flame) ? mds->tex_flame : e_data.dummy_tex);
DRW_shgroup_uniform_texture( DRW_shgroup_uniform_texture(
grp, "flameColorTexture", (sds->tex_flame) ? sds->tex_flame_coba : e_data.dummy_coba_tex); grp, "flameColorTexture", (mds->tex_flame) ? mds->tex_flame_coba : e_data.dummy_coba_tex);
DRW_shgroup_uniform_vec3( DRW_shgroup_uniform_vec3(
grp, "activeColor", (use_constant_color) ? sds->active_color : white, 1); grp, "activeColor", (use_constant_color) ? mds->active_color : white, 1);
} }
DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &dtxl->depth); DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &dtxl->depth);
DRW_shgroup_uniform_float_copy(grp, "densityScale", 10.0f * sds->display_thickness); DRW_shgroup_uniform_float_copy(grp, "densityScale", 10.0f * mds->display_thickness);
if (use_slice) { if (use_slice) {
DRW_shgroup_call(grp, DRW_cache_quad_get(), ob); DRW_shgroup_call(grp, DRW_cache_quad_get(), ob);
} }
else { else {
DRW_shgroup_call(grp, DRW_cache_cube_get(), ob); DRW_shgroup_call(grp, DRW_cache_cube_get(), ob);
} }
BLI_addtail(&wpd->smoke_domains, BLI_genericNodeN(smd)); BLI_addtail(&wpd->smoke_domains, BLI_genericNodeN(mmd));
} }
void workbench_volume_smoke_textures_free(WORKBENCH_PrivateData *wpd) void workbench_volume_smoke_textures_free(WORKBENCH_PrivateData *wpd)
{ {
/* Free Smoke Textures after rendering */ /* Free Smoke Textures after rendering */
/* XXX This is a waste of processing and GPU bandwidth if nothing /* XXX This is a waste of processing and GPU bandwidth if nothing
* is updated. But the problem is since Textures are stored in the * 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 we don't want them to take precious VRAM if the
* modifier is not used for display. We should share them for * modifier is not used for display. We should share them for
* all viewport in a redraw at least. */ * all viewport in a redraw at least. */
for (LinkData *link = wpd->smoke_domains.first; link; link = link->next) { for (LinkData *link = wpd->smoke_domains.first; link; link = link->next) {
SmokeModifierData *smd = (SmokeModifierData *)link->data; FluidModifierData *mmd = (FluidModifierData *)link->data;
GPU_free_smoke(smd); GPU_free_smoke(mmd);
} }
BLI_freelistN(&wpd->smoke_domains); BLI_freelistN(&wpd->smoke_domains);
} }