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material.cpp
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material.cpp
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/**************************************************************************/
/* material.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "material.h"
#include "core/config/engine.h"
#include "core/config/project_settings.h"
#include "core/error/error_macros.h"
#include "core/version.h"
#include "scene/main/scene_tree.h"
#include "scene/scene_string_names.h"
void Material::set_next_pass(const Ref<Material> &p_pass) {
for (Ref<Material> pass_child = p_pass; pass_child != nullptr; pass_child = pass_child->get_next_pass()) {
ERR_FAIL_COND_MSG(pass_child == this, "Can't set as next_pass one of its parents to prevent crashes due to recursive loop.");
}
if (next_pass == p_pass) {
return;
}
next_pass = p_pass;
RID next_pass_rid;
if (next_pass.is_valid()) {
next_pass_rid = next_pass->get_rid();
}
RS::get_singleton()->material_set_next_pass(material, next_pass_rid);
}
Ref<Material> Material::get_next_pass() const {
return next_pass;
}
void Material::set_render_priority(int p_priority) {
ERR_FAIL_COND(p_priority < RENDER_PRIORITY_MIN);
ERR_FAIL_COND(p_priority > RENDER_PRIORITY_MAX);
render_priority = p_priority;
RS::get_singleton()->material_set_render_priority(material, p_priority);
}
int Material::get_render_priority() const {
return render_priority;
}
RID Material::get_rid() const {
return material;
}
void Material::_validate_property(PropertyInfo &p_property) const {
if (!_can_do_next_pass() && p_property.name == "next_pass") {
p_property.usage = PROPERTY_USAGE_NONE;
}
if (!_can_use_render_priority() && p_property.name == "render_priority") {
p_property.usage = PROPERTY_USAGE_NONE;
}
}
void Material::_mark_initialized(const Callable &p_queue_shader_change_callable) {
// If this is happening as part of resource loading, it is not safe to queue the update
// as an addition to the dirty list, unless the load is happening on the main thread.
if (ResourceLoader::is_within_load() && Thread::get_caller_id() != Thread::get_main_id()) {
DEV_ASSERT(init_state != INIT_STATE_READY);
if (init_state == INIT_STATE_UNINITIALIZED) { // Prevent queueing twice.
// Let's mark this material as being initialized.
init_state = INIT_STATE_INITIALIZING;
// Knowing that the ResourceLoader will eventually feed deferred calls into the main message queue, let's do these:
// 1. Queue setting the init state to INIT_STATE_READY finally.
callable_mp(this, &Material::_mark_initialized).bind(p_queue_shader_change_callable).call_deferred();
// 2. Queue an individual update of this material.
p_queue_shader_change_callable.call_deferred();
}
} else {
// Straightforward conditions.
init_state = INIT_STATE_READY;
p_queue_shader_change_callable.callv(Array());
}
}
void Material::inspect_native_shader_code() {
SceneTree *st = Object::cast_to<SceneTree>(OS::get_singleton()->get_main_loop());
RID shader = get_shader_rid();
if (st && shader.is_valid()) {
st->call_group_flags(SceneTree::GROUP_CALL_DEFERRED, "_native_shader_source_visualizer", "_inspect_shader", shader);
}
}
RID Material::get_shader_rid() const {
RID ret;
GDVIRTUAL_REQUIRED_CALL(_get_shader_rid, ret);
return ret;
}
Shader::Mode Material::get_shader_mode() const {
Shader::Mode ret = Shader::MODE_MAX;
GDVIRTUAL_REQUIRED_CALL(_get_shader_mode, ret);
return ret;
}
bool Material::_can_do_next_pass() const {
bool ret = false;
GDVIRTUAL_CALL(_can_do_next_pass, ret);
return ret;
}
bool Material::_can_use_render_priority() const {
bool ret = false;
GDVIRTUAL_CALL(_can_use_render_priority, ret);
return ret;
}
Ref<Resource> Material::create_placeholder() const {
Ref<PlaceholderMaterial> placeholder;
placeholder.instantiate();
return placeholder;
}
void Material::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_next_pass", "next_pass"), &Material::set_next_pass);
ClassDB::bind_method(D_METHOD("get_next_pass"), &Material::get_next_pass);
ClassDB::bind_method(D_METHOD("set_render_priority", "priority"), &Material::set_render_priority);
ClassDB::bind_method(D_METHOD("get_render_priority"), &Material::get_render_priority);
ClassDB::bind_method(D_METHOD("inspect_native_shader_code"), &Material::inspect_native_shader_code);
ClassDB::set_method_flags(get_class_static(), _scs_create("inspect_native_shader_code"), METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR);
ClassDB::bind_method(D_METHOD("create_placeholder"), &Material::create_placeholder);
ADD_PROPERTY(PropertyInfo(Variant::INT, "render_priority", PROPERTY_HINT_RANGE, itos(RENDER_PRIORITY_MIN) + "," + itos(RENDER_PRIORITY_MAX) + ",1"), "set_render_priority", "get_render_priority");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "next_pass", PROPERTY_HINT_RESOURCE_TYPE, "Material"), "set_next_pass", "get_next_pass");
BIND_CONSTANT(RENDER_PRIORITY_MAX);
BIND_CONSTANT(RENDER_PRIORITY_MIN);
GDVIRTUAL_BIND(_get_shader_rid)
GDVIRTUAL_BIND(_get_shader_mode)
GDVIRTUAL_BIND(_can_do_next_pass)
GDVIRTUAL_BIND(_can_use_render_priority)
}
Material::Material() {
material = RenderingServer::get_singleton()->material_create();
render_priority = 0;
}
Material::~Material() {
ERR_FAIL_NULL(RenderingServer::get_singleton());
RenderingServer::get_singleton()->free(material);
}
///////////////////////////////////
bool ShaderMaterial::_set(const StringName &p_name, const Variant &p_value) {
if (shader.is_valid()) {
const StringName *sn = remap_cache.getptr(p_name);
if (sn) {
set_shader_parameter(*sn, p_value);
return true;
}
String s = p_name;
if (s.begins_with("shader_parameter/")) {
String param = s.replace_first("shader_parameter/", "");
remap_cache[s] = param;
set_shader_parameter(param, p_value);
return true;
}
#ifndef DISABLE_DEPRECATED
// Compatibility remaps are only needed here.
if (s.begins_with("param/")) {
s = s.replace_first("param/", "shader_parameter/");
} else if (s.begins_with("shader_param/")) {
s = s.replace_first("shader_param/", "shader_parameter/");
} else if (s.begins_with("shader_uniform/")) {
s = s.replace_first("shader_uniform/", "shader_parameter/");
} else {
return false; // Not a shader parameter.
}
WARN_PRINT("This material (containing shader with path: '" + shader->get_path() + "') uses an old deprecated parameter names. Consider re-saving this resource (or scene which contains it) in order for it to continue working in future versions.");
String param = s.replace_first("shader_parameter/", "");
remap_cache[s] = param;
set_shader_parameter(param, p_value);
return true;
#endif
}
return false;
}
bool ShaderMaterial::_get(const StringName &p_name, Variant &r_ret) const {
if (shader.is_valid()) {
const StringName *sn = remap_cache.getptr(p_name);
if (sn) {
// Only return a parameter if it was previously set.
r_ret = get_shader_parameter(*sn);
return true;
}
}
return false;
}
void ShaderMaterial::_get_property_list(List<PropertyInfo> *p_list) const {
if (!shader.is_null()) {
List<PropertyInfo> list;
shader->get_shader_uniform_list(&list, true);
HashMap<String, HashMap<String, List<PropertyInfo>>> groups;
LocalVector<Pair<String, LocalVector<String>>> vgroups;
{
HashMap<String, List<PropertyInfo>> none_subgroup;
none_subgroup.insert("<None>", List<PropertyInfo>());
groups.insert("<None>", none_subgroup);
}
String last_group = "<None>";
String last_subgroup = "<None>";
bool is_none_group_undefined = true;
bool is_none_group = true;
for (List<PropertyInfo>::Element *E = list.front(); E; E = E->next()) {
if (E->get().usage == PROPERTY_USAGE_GROUP) {
if (!E->get().name.is_empty()) {
Vector<String> vgroup = E->get().name.split("::");
last_group = vgroup[0];
if (vgroup.size() > 1) {
last_subgroup = vgroup[1];
} else {
last_subgroup = "<None>";
}
is_none_group = false;
if (!groups.has(last_group)) {
PropertyInfo info;
info.usage = PROPERTY_USAGE_GROUP;
info.name = last_group.capitalize();
info.hint_string = "shader_parameter/";
List<PropertyInfo> none_subgroup;
none_subgroup.push_back(info);
HashMap<String, List<PropertyInfo>> subgroup_map;
subgroup_map.insert("<None>", none_subgroup);
groups.insert(last_group, subgroup_map);
vgroups.push_back(Pair<String, LocalVector<String>>(last_group, { "<None>" }));
}
if (!groups[last_group].has(last_subgroup)) {
PropertyInfo info;
info.usage = PROPERTY_USAGE_SUBGROUP;
info.name = last_subgroup.capitalize();
info.hint_string = "shader_parameter/";
List<PropertyInfo> subgroup;
subgroup.push_back(info);
groups[last_group].insert(last_subgroup, subgroup);
for (Pair<String, LocalVector<String>> &group : vgroups) {
if (group.first == last_group) {
group.second.push_back(last_subgroup);
break;
}
}
}
} else {
last_group = "<None>";
last_subgroup = "<None>";
is_none_group = true;
}
continue; // Pass group.
}
if (is_none_group_undefined && is_none_group) {
is_none_group_undefined = false;
PropertyInfo info;
info.usage = PROPERTY_USAGE_GROUP;
info.name = "Shader Parameters";
info.hint_string = "shader_parameter/";
groups["<None>"]["<None>"].push_back(info);
vgroups.push_back(Pair<String, LocalVector<String>>("<None>", { "<None>" }));
}
const bool is_uniform_cached = param_cache.has(E->get().name);
bool is_uniform_type_compatible = true;
if (is_uniform_cached) {
// Check if the uniform Variant type changed, for example vec3 to vec4.
const Variant &cached = param_cache.get(E->get().name);
if (cached.is_array()) {
// Allow some array conversions for backwards compatibility.
is_uniform_type_compatible = Variant::can_convert(E->get().type, cached.get_type());
} else {
is_uniform_type_compatible = E->get().type == cached.get_type();
}
if (is_uniform_type_compatible && E->get().type == Variant::OBJECT && cached.get_type() == Variant::OBJECT) {
// Check if the Object class (hint string) changed, for example Texture2D sampler to Texture3D.
// Allow inheritance, Texture2D type sampler should also accept CompressedTexture2D.
Object *cached_obj = cached;
if (!cached_obj->is_class(E->get().hint_string)) {
is_uniform_type_compatible = false;
}
}
}
PropertyInfo info = E->get();
info.name = "shader_parameter/" + info.name;
if (!is_uniform_cached || !is_uniform_type_compatible) {
// Property has never been edited or its type changed, retrieve with default value.
Variant default_value = RenderingServer::get_singleton()->shader_get_parameter_default(shader->get_rid(), E->get().name);
param_cache.insert(E->get().name, default_value);
remap_cache.insert(info.name, E->get().name);
}
groups[last_group][last_subgroup].push_back(info);
}
for (const Pair<String, LocalVector<String>> &group_pair : vgroups) {
String group = group_pair.first;
for (const String &subgroup : group_pair.second) {
List<PropertyInfo> &prop_infos = groups[group][subgroup];
for (List<PropertyInfo>::Element *item = prop_infos.front(); item; item = item->next()) {
p_list->push_back(item->get());
}
}
}
}
}
bool ShaderMaterial::_property_can_revert(const StringName &p_name) const {
if (shader.is_valid()) {
const StringName *pr = remap_cache.getptr(p_name);
if (pr) {
Variant default_value = RenderingServer::get_singleton()->shader_get_parameter_default(shader->get_rid(), *pr);
Variant current_value = get_shader_parameter(*pr);
return default_value.get_type() != Variant::NIL && default_value != current_value;
}
}
return false;
}
bool ShaderMaterial::_property_get_revert(const StringName &p_name, Variant &r_property) const {
if (shader.is_valid()) {
const StringName *pr = remap_cache.getptr(p_name);
if (pr) {
r_property = RenderingServer::get_singleton()->shader_get_parameter_default(shader->get_rid(), *pr);
return true;
}
}
return false;
}
void ShaderMaterial::set_shader(const Ref<Shader> &p_shader) {
// Only connect/disconnect the signal when running in the editor.
// This can be a slow operation, and `notify_property_list_changed()` (which is called by `_shader_changed()`)
// does nothing in non-editor builds anyway. See GH-34741 for details.
if (shader.is_valid() && Engine::get_singleton()->is_editor_hint()) {
shader->disconnect_changed(callable_mp(this, &ShaderMaterial::_shader_changed));
}
shader = p_shader;
RID rid;
if (shader.is_valid()) {
rid = shader->get_rid();
if (Engine::get_singleton()->is_editor_hint()) {
shader->connect_changed(callable_mp(this, &ShaderMaterial::_shader_changed));
}
}
RS::get_singleton()->material_set_shader(_get_material(), rid);
notify_property_list_changed(); //properties for shader exposed
emit_changed();
}
Ref<Shader> ShaderMaterial::get_shader() const {
return shader;
}
void ShaderMaterial::set_shader_parameter(const StringName &p_param, const Variant &p_value) {
if (p_value.get_type() == Variant::NIL) {
param_cache.erase(p_param);
RS::get_singleton()->material_set_param(_get_material(), p_param, Variant());
} else {
Variant *v = param_cache.getptr(p_param);
if (!v) {
// Never assigned, also update the remap cache.
remap_cache["shader_parameter/" + p_param.operator String()] = p_param;
param_cache.insert(p_param, p_value);
} else {
*v = p_value;
}
if (p_value.get_type() == Variant::OBJECT) {
RID tex_rid = p_value;
if (tex_rid == RID()) {
param_cache.erase(p_param);
RS::get_singleton()->material_set_param(_get_material(), p_param, Variant());
} else {
RS::get_singleton()->material_set_param(_get_material(), p_param, tex_rid);
}
} else {
RS::get_singleton()->material_set_param(_get_material(), p_param, p_value);
}
}
}
Variant ShaderMaterial::get_shader_parameter(const StringName &p_param) const {
if (param_cache.has(p_param)) {
return param_cache[p_param];
} else {
return Variant();
}
}
void ShaderMaterial::_shader_changed() {
notify_property_list_changed(); //update all properties
}
void ShaderMaterial::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_shader", "shader"), &ShaderMaterial::set_shader);
ClassDB::bind_method(D_METHOD("get_shader"), &ShaderMaterial::get_shader);
ClassDB::bind_method(D_METHOD("set_shader_parameter", "param", "value"), &ShaderMaterial::set_shader_parameter);
ClassDB::bind_method(D_METHOD("get_shader_parameter", "param"), &ShaderMaterial::get_shader_parameter);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shader", PROPERTY_HINT_RESOURCE_TYPE, "Shader"), "set_shader", "get_shader");
}
#ifdef TOOLS_ENABLED
void ShaderMaterial::get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const {
const String pf = p_function;
if (p_idx == 0 && (pf == "get_shader_parameter" || pf == "set_shader_parameter")) {
if (shader.is_valid()) {
List<PropertyInfo> pl;
shader->get_shader_uniform_list(&pl);
for (const PropertyInfo &E : pl) {
r_options->push_back(E.name.replace_first("shader_parameter/", "").quote());
}
}
}
Material::get_argument_options(p_function, p_idx, r_options);
}
#endif
bool ShaderMaterial::_can_do_next_pass() const {
return shader.is_valid() && shader->get_mode() == Shader::MODE_SPATIAL;
}
bool ShaderMaterial::_can_use_render_priority() const {
return shader.is_valid() && shader->get_mode() == Shader::MODE_SPATIAL;
}
Shader::Mode ShaderMaterial::get_shader_mode() const {
if (shader.is_valid()) {
return shader->get_mode();
} else {
return Shader::MODE_SPATIAL;
}
}
RID ShaderMaterial::get_shader_rid() const {
if (shader.is_valid()) {
return shader->get_rid();
} else {
return RID();
}
}
ShaderMaterial::ShaderMaterial() {
}
ShaderMaterial::~ShaderMaterial() {
}
/////////////////////////////////
Mutex BaseMaterial3D::material_mutex;
SelfList<BaseMaterial3D>::List BaseMaterial3D::dirty_materials;
HashMap<BaseMaterial3D::MaterialKey, BaseMaterial3D::ShaderData, BaseMaterial3D::MaterialKey> BaseMaterial3D::shader_map;
BaseMaterial3D::ShaderNames *BaseMaterial3D::shader_names = nullptr;
void BaseMaterial3D::init_shaders() {
shader_names = memnew(ShaderNames);
shader_names->albedo = "albedo";
shader_names->specular = "specular";
shader_names->roughness = "roughness";
shader_names->metallic = "metallic";
shader_names->emission = "emission";
shader_names->emission_energy = "emission_energy";
shader_names->normal_scale = "normal_scale";
shader_names->rim = "rim";
shader_names->rim_tint = "rim_tint";
shader_names->clearcoat = "clearcoat";
shader_names->clearcoat_roughness = "clearcoat_roughness";
shader_names->anisotropy = "anisotropy_ratio";
shader_names->heightmap_scale = "heightmap_scale";
shader_names->subsurface_scattering_strength = "subsurface_scattering_strength";
shader_names->backlight = "backlight";
shader_names->refraction = "refraction";
shader_names->point_size = "point_size";
shader_names->uv1_scale = "uv1_scale";
shader_names->uv1_offset = "uv1_offset";
shader_names->uv2_scale = "uv2_scale";
shader_names->uv2_offset = "uv2_offset";
shader_names->uv1_blend_sharpness = "uv1_blend_sharpness";
shader_names->uv2_blend_sharpness = "uv2_blend_sharpness";
shader_names->particles_anim_h_frames = "particles_anim_h_frames";
shader_names->particles_anim_v_frames = "particles_anim_v_frames";
shader_names->particles_anim_loop = "particles_anim_loop";
shader_names->heightmap_min_layers = "heightmap_min_layers";
shader_names->heightmap_max_layers = "heightmap_max_layers";
shader_names->heightmap_flip = "heightmap_flip";
shader_names->grow = "grow";
shader_names->ao_light_affect = "ao_light_affect";
shader_names->proximity_fade_distance = "proximity_fade_distance";
shader_names->distance_fade_min = "distance_fade_min";
shader_names->distance_fade_max = "distance_fade_max";
shader_names->msdf_pixel_range = "msdf_pixel_range";
shader_names->msdf_outline_size = "msdf_outline_size";
shader_names->metallic_texture_channel = "metallic_texture_channel";
shader_names->ao_texture_channel = "ao_texture_channel";
shader_names->clearcoat_texture_channel = "clearcoat_texture_channel";
shader_names->rim_texture_channel = "rim_texture_channel";
shader_names->heightmap_texture_channel = "heightmap_texture_channel";
shader_names->refraction_texture_channel = "refraction_texture_channel";
shader_names->transmittance_color = "transmittance_color";
shader_names->transmittance_depth = "transmittance_depth";
shader_names->transmittance_boost = "transmittance_boost";
shader_names->texture_names[TEXTURE_ALBEDO] = "texture_albedo";
shader_names->texture_names[TEXTURE_METALLIC] = "texture_metallic";
shader_names->texture_names[TEXTURE_ROUGHNESS] = "texture_roughness";
shader_names->texture_names[TEXTURE_EMISSION] = "texture_emission";
shader_names->texture_names[TEXTURE_NORMAL] = "texture_normal";
shader_names->texture_names[TEXTURE_RIM] = "texture_rim";
shader_names->texture_names[TEXTURE_CLEARCOAT] = "texture_clearcoat";
shader_names->texture_names[TEXTURE_FLOWMAP] = "texture_flowmap";
shader_names->texture_names[TEXTURE_AMBIENT_OCCLUSION] = "texture_ambient_occlusion";
shader_names->texture_names[TEXTURE_HEIGHTMAP] = "texture_heightmap";
shader_names->texture_names[TEXTURE_SUBSURFACE_SCATTERING] = "texture_subsurface_scattering";
shader_names->texture_names[TEXTURE_SUBSURFACE_TRANSMITTANCE] = "texture_subsurface_transmittance";
shader_names->texture_names[TEXTURE_BACKLIGHT] = "texture_backlight";
shader_names->texture_names[TEXTURE_REFRACTION] = "texture_refraction";
shader_names->texture_names[TEXTURE_DETAIL_MASK] = "texture_detail_mask";
shader_names->texture_names[TEXTURE_DETAIL_ALBEDO] = "texture_detail_albedo";
shader_names->texture_names[TEXTURE_DETAIL_NORMAL] = "texture_detail_normal";
shader_names->texture_names[TEXTURE_ORM] = "texture_orm";
shader_names->alpha_scissor_threshold = "alpha_scissor_threshold";
shader_names->alpha_hash_scale = "alpha_hash_scale";
shader_names->alpha_antialiasing_edge = "alpha_antialiasing_edge";
shader_names->albedo_texture_size = "albedo_texture_size";
}
HashMap<uint64_t, Ref<StandardMaterial3D>> BaseMaterial3D::materials_for_2d;
void BaseMaterial3D::finish_shaders() {
materials_for_2d.clear();
dirty_materials.clear();
memdelete(shader_names);
shader_names = nullptr;
}
void BaseMaterial3D::_update_shader() {
dirty_materials.remove(&element);
MaterialKey mk = _compute_key();
if (mk == current_key) {
return; //no update required in the end
}
if (shader_map.has(current_key)) {
shader_map[current_key].users--;
if (shader_map[current_key].users == 0) {
//deallocate shader, as it's no longer in use
RS::get_singleton()->free(shader_map[current_key].shader);
shader_map.erase(current_key);
}
}
current_key = mk;
if (shader_map.has(mk)) {
RS::get_singleton()->material_set_shader(_get_material(), shader_map[mk].shader);
shader_map[mk].users++;
return;
}
String texfilter_str;
// Force linear filtering for the heightmap texture, as the heightmap effect
// looks broken with nearest-neighbor filtering (with and without Deep Parallax).
String texfilter_height_str;
switch (texture_filter) {
case TEXTURE_FILTER_NEAREST:
texfilter_str = "filter_nearest";
texfilter_height_str = "filter_linear";
break;
case TEXTURE_FILTER_LINEAR:
texfilter_str = "filter_linear";
texfilter_height_str = "filter_linear";
break;
case TEXTURE_FILTER_NEAREST_WITH_MIPMAPS:
texfilter_str = "filter_nearest_mipmap";
texfilter_height_str = "filter_linear_mipmap";
break;
case TEXTURE_FILTER_LINEAR_WITH_MIPMAPS:
texfilter_str = "filter_linear_mipmap";
texfilter_height_str = "filter_linear_mipmap";
break;
case TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC:
texfilter_str = "filter_nearest_mipmap_anisotropic";
texfilter_height_str = "filter_linear_mipmap_anisotropic";
break;
case TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC:
texfilter_str = "filter_linear_mipmap_anisotropic";
texfilter_height_str = "filter_linear_mipmap_anisotropic";
break;
case TEXTURE_FILTER_MAX:
break; // Internal value, skip.
}
if (flags[FLAG_USE_TEXTURE_REPEAT]) {
texfilter_str += ",repeat_enable";
texfilter_height_str += ",repeat_enable";
} else {
texfilter_str += ",repeat_disable";
texfilter_height_str += ",repeat_disable";
}
//must create a shader!
// Add a comment to describe the shader origin (useful when converting to ShaderMaterial).
String code = vformat(
"// NOTE: Shader automatically converted from " VERSION_NAME " " VERSION_FULL_CONFIG "'s %s.\n\n",
orm ? "ORMMaterial3D" : "StandardMaterial3D");
code += "shader_type spatial;\nrender_mode ";
switch (blend_mode) {
case BLEND_MODE_MIX:
code += "blend_mix";
break;
case BLEND_MODE_ADD:
code += "blend_add";
break;
case BLEND_MODE_SUB:
code += "blend_sub";
break;
case BLEND_MODE_MUL:
code += "blend_mul";
break;
case BLEND_MODE_MAX:
break; // Internal value, skip.
}
DepthDrawMode ddm = depth_draw_mode;
if (features[FEATURE_REFRACTION]) {
ddm = DEPTH_DRAW_ALWAYS;
}
switch (ddm) {
case DEPTH_DRAW_OPAQUE_ONLY:
code += ",depth_draw_opaque";
break;
case DEPTH_DRAW_ALWAYS:
code += ",depth_draw_always";
break;
case DEPTH_DRAW_DISABLED:
code += ",depth_draw_never";
break;
case DEPTH_DRAW_MAX:
break; // Internal value, skip.
}
switch (cull_mode) {
case CULL_BACK:
code += ",cull_back";
break;
case CULL_FRONT:
code += ",cull_front";
break;
case CULL_DISABLED:
code += ",cull_disabled";
break;
case CULL_MAX:
break; // Internal value, skip.
}
switch (diffuse_mode) {
case DIFFUSE_BURLEY:
code += ",diffuse_burley";
break;
case DIFFUSE_LAMBERT:
code += ",diffuse_lambert";
break;
case DIFFUSE_LAMBERT_WRAP:
code += ",diffuse_lambert_wrap";
break;
case DIFFUSE_TOON:
code += ",diffuse_toon";
break;
case DIFFUSE_MAX:
break; // Internal value, skip.
}
switch (specular_mode) {
case SPECULAR_SCHLICK_GGX:
code += ",specular_schlick_ggx";
break;
case SPECULAR_TOON:
code += ",specular_toon";
break;
case SPECULAR_DISABLED:
code += ",specular_disabled";
break;
case SPECULAR_MAX:
break; // Internal value, skip.
}
if (features[FEATURE_SUBSURFACE_SCATTERING] && flags[FLAG_SUBSURFACE_MODE_SKIN]) {
code += ",sss_mode_skin";
}
if (shading_mode == SHADING_MODE_UNSHADED) {
code += ",unshaded";
}
if (flags[FLAG_DISABLE_DEPTH_TEST]) {
code += ",depth_test_disabled";
}
if (flags[FLAG_PARTICLE_TRAILS_MODE]) {
code += ",particle_trails";
}
if (shading_mode == SHADING_MODE_PER_VERTEX) {
code += ",vertex_lighting";
}
if (flags[FLAG_DONT_RECEIVE_SHADOWS]) {
code += ",shadows_disabled";
}
if (flags[FLAG_DISABLE_AMBIENT_LIGHT]) {
code += ",ambient_light_disabled";
}
if (flags[FLAG_USE_SHADOW_TO_OPACITY]) {
code += ",shadow_to_opacity";
}
if (flags[FLAG_DISABLE_FOG]) {
code += ",fog_disabled";
}
if (transparency == TRANSPARENCY_ALPHA_DEPTH_PRE_PASS) {
code += ",depth_prepass_alpha";
}
// Although its technically possible to do alpha antialiasing without using alpha hash or alpha scissor,
// it is restricted in the base material because it has no use, and abusing it with regular Alpha blending can
// saturate the MSAA mask
if (transparency == TRANSPARENCY_ALPHA_HASH || transparency == TRANSPARENCY_ALPHA_SCISSOR) {
// alpha antialiasing is only useful in ALPHA_HASH or ALPHA_SCISSOR
if (alpha_antialiasing_mode == ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE) {
code += ",alpha_to_coverage";
} else if (alpha_antialiasing_mode == ALPHA_ANTIALIASING_ALPHA_TO_COVERAGE_AND_TO_ONE) {
code += ",alpha_to_coverage_and_one";
}
}
code += ";\n";
code += "uniform vec4 albedo : source_color;\n";
code += "uniform sampler2D texture_albedo : source_color," + texfilter_str + ";\n";
if (grow_enabled) {
code += "uniform float grow;\n";
}
if (proximity_fade_enabled) {
code += "uniform float proximity_fade_distance;\n";
}
if (distance_fade != DISTANCE_FADE_DISABLED) {
code += "uniform float distance_fade_min;\n";
code += "uniform float distance_fade_max;\n";
}
if (flags[FLAG_ALBEDO_TEXTURE_MSDF]) {
code += "uniform float msdf_pixel_range;\n";
code += "uniform float msdf_outline_size;\n";
}
// alpha scissor is only valid if there is not antialiasing edge
// alpha hash is valid whenever, but not with alpha scissor
if (transparency == TRANSPARENCY_ALPHA_SCISSOR) {
code += "uniform float alpha_scissor_threshold;\n";
} else if (transparency == TRANSPARENCY_ALPHA_HASH) {
code += "uniform float alpha_hash_scale;\n";
}
// if alpha antialiasing isn't off, add in the edge variable
if (alpha_antialiasing_mode != ALPHA_ANTIALIASING_OFF &&
(transparency == TRANSPARENCY_ALPHA_SCISSOR || transparency == TRANSPARENCY_ALPHA_HASH)) {
code += "uniform float alpha_antialiasing_edge;\n";
code += "uniform ivec2 albedo_texture_size;\n";
}
code += "uniform float point_size : hint_range(0,128);\n";
//TODO ALL HINTS
if (!orm) {
code += "uniform float roughness : hint_range(0,1);\n";
code += "uniform sampler2D texture_metallic : hint_default_white," + texfilter_str + ";\n";
code += "uniform vec4 metallic_texture_channel;\n";
switch (roughness_texture_channel) {
case TEXTURE_CHANNEL_RED: {
code += "uniform sampler2D texture_roughness : hint_roughness_r," + texfilter_str + ";\n";
} break;
case TEXTURE_CHANNEL_GREEN: {
code += "uniform sampler2D texture_roughness : hint_roughness_g," + texfilter_str + ";\n";
} break;
case TEXTURE_CHANNEL_BLUE: {
code += "uniform sampler2D texture_roughness : hint_roughness_b," + texfilter_str + ";\n";
} break;
case TEXTURE_CHANNEL_ALPHA: {
code += "uniform sampler2D texture_roughness : hint_roughness_a," + texfilter_str + ";\n";
} break;
case TEXTURE_CHANNEL_GRAYSCALE: {
code += "uniform sampler2D texture_roughness : hint_roughness_gray," + texfilter_str + ";\n";
} break;
case TEXTURE_CHANNEL_MAX:
break; // Internal value, skip.
}
code += "uniform float specular;\n";
code += "uniform float metallic;\n";
} else {
code += "uniform sampler2D texture_orm : hint_roughness_g," + texfilter_str + ";\n";
}
if (billboard_mode == BILLBOARD_PARTICLES) {
code += "uniform int particles_anim_h_frames;\n";
code += "uniform int particles_anim_v_frames;\n";
code += "uniform bool particles_anim_loop;\n";
}
if (features[FEATURE_EMISSION]) {
code += "uniform sampler2D texture_emission : source_color, hint_default_black," + texfilter_str + ";\n";
code += "uniform vec4 emission : source_color;\n";
code += "uniform float emission_energy;\n";
}
if (features[FEATURE_REFRACTION]) {
code += "uniform sampler2D texture_refraction : " + texfilter_str + ";\n";
code += "uniform float refraction : hint_range(-16,16);\n";
code += "uniform vec4 refraction_texture_channel;\n";
}
if (features[FEATURE_REFRACTION]) {
code += "uniform sampler2D screen_texture : hint_screen_texture, repeat_disable, filter_linear_mipmap;";
}
if (proximity_fade_enabled) {
code += "uniform sampler2D depth_texture : hint_depth_texture, repeat_disable, filter_nearest;";
}
if (features[FEATURE_NORMAL_MAPPING]) {
code += "uniform sampler2D texture_normal : hint_roughness_normal," + texfilter_str + ";\n";
code += "uniform float normal_scale : hint_range(-16,16);\n";
}
if (features[FEATURE_RIM]) {
code += "uniform float rim : hint_range(0,1);\n";
code += "uniform float rim_tint : hint_range(0,1);\n";
code += "uniform sampler2D texture_rim : hint_default_white," + texfilter_str + ";\n";
}
if (features[FEATURE_CLEARCOAT]) {
code += "uniform float clearcoat : hint_range(0,1);\n";
code += "uniform float clearcoat_roughness : hint_range(0,1);\n";
code += "uniform sampler2D texture_clearcoat : hint_default_white," + texfilter_str + ";\n";
}
if (features[FEATURE_ANISOTROPY]) {
code += "uniform float anisotropy_ratio : hint_range(0,256);\n";
code += "uniform sampler2D texture_flowmap : hint_anisotropy," + texfilter_str + ";\n";
}
if (features[FEATURE_AMBIENT_OCCLUSION]) {
code += "uniform sampler2D texture_ambient_occlusion : hint_default_white, " + texfilter_str + ";\n";
code += "uniform vec4 ao_texture_channel;\n";
code += "uniform float ao_light_affect;\n";
}
if (features[FEATURE_DETAIL]) {
code += "uniform sampler2D texture_detail_albedo : source_color," + texfilter_str + ";\n";
code += "uniform sampler2D texture_detail_normal : hint_normal," + texfilter_str + ";\n";
code += "uniform sampler2D texture_detail_mask : hint_default_white," + texfilter_str + ";\n";
}
if (features[FEATURE_SUBSURFACE_SCATTERING]) {
code += "uniform float subsurface_scattering_strength : hint_range(0,1);\n";
code += "uniform sampler2D texture_subsurface_scattering : hint_default_white," + texfilter_str + ";\n";
}
if (features[FEATURE_SUBSURFACE_TRANSMITTANCE]) {
code += "uniform vec4 transmittance_color : source_color;\n";
code += "uniform float transmittance_depth;\n";
code += "uniform sampler2D texture_subsurface_transmittance : hint_default_white," + texfilter_str + ";\n";
code += "uniform float transmittance_boost;\n";
}
if (features[FEATURE_BACKLIGHT]) {
code += "uniform vec4 backlight : source_color;\n";
code += "uniform sampler2D texture_backlight : hint_default_black," + texfilter_str + ";\n";
}
if (features[FEATURE_HEIGHT_MAPPING]) {
code += "uniform sampler2D texture_heightmap : hint_default_black," + texfilter_height_str + ";\n";
code += "uniform float heightmap_scale;\n";
code += "uniform int heightmap_min_layers;\n";
code += "uniform int heightmap_max_layers;\n";
code += "uniform vec2 heightmap_flip;\n";
}
if (flags[FLAG_UV1_USE_TRIPLANAR]) {
code += "varying vec3 uv1_triplanar_pos;\n";
}
if (flags[FLAG_UV2_USE_TRIPLANAR]) {
code += "varying vec3 uv2_triplanar_pos;\n";
}
if (flags[FLAG_UV1_USE_TRIPLANAR]) {
code += "uniform float uv1_blend_sharpness;\n";
code += "varying vec3 uv1_power_normal;\n";
}
if (flags[FLAG_UV2_USE_TRIPLANAR]) {
code += "uniform float uv2_blend_sharpness;\n";
code += "varying vec3 uv2_power_normal;\n";
}
code += "uniform vec3 uv1_scale;\n";
code += "uniform vec3 uv1_offset;\n";
code += "uniform vec3 uv2_scale;\n";
code += "uniform vec3 uv2_offset;\n";
code += "\n\n";
code += "void vertex() {\n";
if (flags[FLAG_SRGB_VERTEX_COLOR]) {
code += " if (!OUTPUT_IS_SRGB) {\n";
code += " COLOR.rgb = mix(pow((COLOR.rgb + vec3(0.055)) * (1.0 / (1.0 + 0.055)), vec3(2.4)), COLOR.rgb * (1.0 / 12.92), lessThan(COLOR.rgb, vec3(0.04045)));\n";
code += " }\n";
}
if (flags[FLAG_USE_POINT_SIZE]) {
code += " POINT_SIZE=point_size;\n";
}
if (shading_mode == SHADING_MODE_PER_VERTEX) {
code += " ROUGHNESS=roughness;\n";
}
if (!flags[FLAG_UV1_USE_TRIPLANAR]) {
code += " UV=UV*uv1_scale.xy+uv1_offset.xy;\n";
}
switch (billboard_mode) {
case BILLBOARD_DISABLED: {
} break;
case BILLBOARD_ENABLED: {
// MAIN_CAM_INV_VIEW_MATRIX is inverse of the camera, even on shadow passes: this ensures the billboard faces the camera when casting shadows.
code += " MODELVIEW_MATRIX = VIEW_MATRIX * mat4(MAIN_CAM_INV_VIEW_MATRIX[0], MAIN_CAM_INV_VIEW_MATRIX[1], MAIN_CAM_INV_VIEW_MATRIX[2], MODEL_MATRIX[3]);\n";
if (flags[FLAG_BILLBOARD_KEEP_SCALE]) {
code += " MODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(vec4(length(MODEL_MATRIX[0].xyz), 0.0, 0.0, 0.0), vec4(0.0, length(MODEL_MATRIX[1].xyz), 0.0, 0.0), vec4(0.0, 0.0, length(MODEL_MATRIX[2].xyz), 0.0), vec4(0.0, 0.0, 0.0, 1.0));\n";