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-rw-r--r--doc/classes/ShaderInclude.xml13
-rw-r--r--editor/code_editor.cpp4
-rw-r--r--editor/code_editor.h3
-rw-r--r--editor/editor_asset_installer.cpp1
-rw-r--r--editor/filesystem_dock.cpp4
-rw-r--r--editor/plugins/shader_editor_plugin.cpp338
-rw-r--r--editor/plugins/shader_editor_plugin.h24
-rw-r--r--editor/shader_create_dialog.cpp227
-rw-r--r--editor/shader_create_dialog.h11
-rw-r--r--scene/register_scene_types.cpp17
-rw-r--r--scene/resources/shader.cpp22
-rw-r--r--scene/resources/shader.h3
-rw-r--r--scene/resources/shader_include.cpp139
-rw-r--r--scene/resources/shader_include.h71
-rw-r--r--servers/rendering/shader_language.cpp217
-rw-r--r--servers/rendering/shader_language.h8
-rw-r--r--servers/rendering/shader_preprocessor.cpp1027
-rw-r--r--servers/rendering/shader_preprocessor.h196
18 files changed, 2127 insertions, 198 deletions
diff --git a/doc/classes/ShaderInclude.xml b/doc/classes/ShaderInclude.xml
new file mode 100644
index 0000000000..40072a933b
--- /dev/null
+++ b/doc/classes/ShaderInclude.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="ShaderInclude" inherits="Resource" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
+ <brief_description>
+ </brief_description>
+ <description>
+ </description>
+ <tutorials>
+ </tutorials>
+ <members>
+ <member name="code" type="String" setter="set_code" getter="get_code" default="&quot;&quot;">
+ </member>
+ </members>
+</class>
diff --git a/editor/code_editor.cpp b/editor/code_editor.cpp
index 3a0edf301d..fd331503ca 100644
--- a/editor/code_editor.cpp
+++ b/editor/code_editor.cpp
@@ -1594,6 +1594,10 @@ void CodeTextEditor::set_error_pos(int p_line, int p_column) {
error_column = p_column;
}
+Point2i CodeTextEditor::get_error_pos() const {
+ return Point2i(error_line, error_column);
+}
+
void CodeTextEditor::goto_error() {
if (!error->get_text().is_empty()) {
if (text_editor->get_line_count() != error_line) {
diff --git a/editor/code_editor.h b/editor/code_editor.h
index e2441cec2b..49679cc700 100644
--- a/editor/code_editor.h
+++ b/editor/code_editor.h
@@ -253,13 +253,14 @@ public:
void update_editor_settings();
void set_error(const String &p_error);
void set_error_pos(int p_line, int p_column);
+ Point2i get_error_pos() const;
void update_line_and_column() { _line_col_changed(); }
CodeEdit *get_text_editor() { return text_editor; }
FindReplaceBar *get_find_replace_bar() { return find_replace_bar; }
void set_find_replace_bar(FindReplaceBar *p_bar);
void remove_find_replace_bar();
virtual void apply_code() {}
- void goto_error();
+ virtual void goto_error();
void toggle_bookmark();
void goto_next_bookmark();
diff --git a/editor/editor_asset_installer.cpp b/editor/editor_asset_installer.cpp
index 3d4bee4b4e..8fa486408e 100644
--- a/editor/editor_asset_installer.cpp
+++ b/editor/editor_asset_installer.cpp
@@ -112,6 +112,7 @@ void EditorAssetInstaller::open(const String &p_path, int p_depth) {
extension_guess["glb"] = tree->get_theme_icon(SNAME("PackedScene"), SNAME("EditorIcons"));
extension_guess["gdshader"] = tree->get_theme_icon(SNAME("Shader"), SNAME("EditorIcons"));
+ extension_guess["gdshaderinc"] = tree->get_theme_icon(SNAME("TextFile"), SNAME("EditorIcons"));
extension_guess["gd"] = tree->get_theme_icon(SNAME("GDScript"), SNAME("EditorIcons"));
if (Engine::get_singleton()->has_singleton("GodotSharp")) {
extension_guess["cs"] = tree->get_theme_icon(SNAME("CSharpScript"), SNAME("EditorIcons"));
diff --git a/editor/filesystem_dock.cpp b/editor/filesystem_dock.cpp
index fe6e6044a4..6240ac86ad 100644
--- a/editor/filesystem_dock.cpp
+++ b/editor/filesystem_dock.cpp
@@ -2034,6 +2034,10 @@ void FileSystemDock::_resource_created() {
make_shader_dialog->config(fpath.plus_file("new_shader"), false, false, 1);
make_shader_dialog->popup_centered();
return;
+ } else if (type_name == "ShaderInclude") {
+ make_shader_dialog->config(fpath.plus_file("new_shader_include"), false, false, 2);
+ make_shader_dialog->popup_centered();
+ return;
}
Variant c = new_resource_dialog->instance_selected();
diff --git a/editor/plugins/shader_editor_plugin.cpp b/editor/plugins/shader_editor_plugin.cpp
index 70b8c3aaa7..9a20b0087e 100644
--- a/editor/plugins/shader_editor_plugin.cpp
+++ b/editor/plugins/shader_editor_plugin.cpp
@@ -72,15 +72,42 @@ Ref<Shader> ShaderTextEditor::get_edited_shader() const {
return shader;
}
+Ref<ShaderInclude> ShaderTextEditor::get_edited_shader_include() const {
+ return shader_inc;
+}
+
void ShaderTextEditor::set_edited_shader(const Ref<Shader> &p_shader) {
+ set_edited_shader(p_shader, p_shader->get_code());
+}
+
+void ShaderTextEditor::set_edited_shader(const Ref<Shader> &p_shader, const String &p_code) {
if (shader == p_shader) {
return;
}
shader = p_shader;
+ shader_inc = Ref<ShaderInclude>();
+
+ set_edited_code(p_code);
+}
+
+void ShaderTextEditor::set_edited_shader_include(const Ref<ShaderInclude> &p_shader_inc) {
+ set_edited_shader_include(p_shader_inc, p_shader_inc->get_code());
+}
+void ShaderTextEditor::set_edited_shader_include(const Ref<ShaderInclude> &p_shader_inc, const String &p_code) {
+ if (shader_inc == p_shader_inc) {
+ return;
+ }
+ shader_inc = p_shader_inc;
+ shader = Ref<Shader>();
+
+ set_edited_code(p_code);
+}
+
+void ShaderTextEditor::set_edited_code(const String &p_code) {
_load_theme_settings();
- get_text_editor()->set_text(p_shader->get_code());
+ get_text_editor()->set_text(p_code);
get_text_editor()->clear_undo_history();
get_text_editor()->call_deferred(SNAME("set_h_scroll"), 0);
get_text_editor()->call_deferred(SNAME("set_v_scroll"), 0);
@@ -132,11 +159,12 @@ void ShaderTextEditor::_load_theme_settings() {
syntax_highlighter->clear_keyword_colors();
- List<String> keywords;
- ShaderLanguage::get_keyword_list(&keywords);
const Color keyword_color = EDITOR_GET("text_editor/theme/highlighting/keyword_color");
const Color control_flow_keyword_color = EDITOR_GET("text_editor/theme/highlighting/control_flow_keyword_color");
+ List<String> keywords;
+ ShaderLanguage::get_keyword_list(&keywords);
+
for (const String &E : keywords) {
if (ShaderLanguage::is_control_flow_keyword(E)) {
syntax_highlighter->add_keyword_color(E, control_flow_keyword_color);
@@ -145,6 +173,13 @@ void ShaderTextEditor::_load_theme_settings() {
}
}
+ List<String> pp_keywords;
+ ShaderLanguage::get_preprocessor_keyword_list(&pp_keywords, false);
+
+ for (const String &E : pp_keywords) {
+ syntax_highlighter->add_keyword_color(E, keyword_color);
+ }
+
// Colorize built-ins like `COLOR` differently to make them easier
// to distinguish from keywords at a quick glance.
@@ -191,8 +226,12 @@ void ShaderTextEditor::_load_theme_settings() {
text_editor->add_auto_brace_completion_pair("/*", "*/");
}
+ // Colorize preprocessor include strings.
+ const Color string_color = EDITOR_GET("text_editor/theme/highlighting/string_color");
+ syntax_highlighter->add_color_region("\"", "\"", string_color, false);
+
if (warnings_panel) {
- // Warnings panel
+ // Warnings panel.
warnings_panel->add_theme_font_override("normal_font", EditorNode::get_singleton()->get_gui_base()->get_theme_font(SNAME("main"), SNAME("EditorFonts")));
warnings_panel->add_theme_font_size_override("normal_font_size", EditorNode::get_singleton()->get_gui_base()->get_theme_font_size(SNAME("main_size"), SNAME("EditorFonts")));
}
@@ -227,39 +266,72 @@ static ShaderLanguage::DataType _get_global_variable_type(const StringName &p_va
}
void ShaderTextEditor::_code_complete_script(const String &p_code, List<ScriptLanguage::CodeCompletionOption> *r_options) {
- _check_shader_mode();
-
ShaderLanguage sl;
String calltip;
-
ShaderLanguage::ShaderCompileInfo info;
+ info.global_variable_type_func = _get_global_variable_type;
+
+ Ref<ShaderInclude> inc = shader_inc;
+ if (shader.is_null()) {
+ info.is_include = true;
+
+ sl.complete(p_code, info, r_options, calltip);
+ get_text_editor()->set_code_hint(calltip);
+ return;
+ }
+ _check_shader_mode();
info.functions = ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(shader->get_mode()));
info.render_modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(shader->get_mode()));
info.shader_types = ShaderTypes::get_singleton()->get_types();
- info.global_variable_type_func = _get_global_variable_type;
sl.complete(p_code, info, r_options, calltip);
-
get_text_editor()->set_code_hint(calltip);
}
void ShaderTextEditor::_validate_script() {
- _check_shader_mode();
-
- String code = get_text_editor()->get_text();
- //List<StringName> params;
- //shader->get_param_list(&params);
+ String code;
- ShaderLanguage::ShaderCompileInfo info;
- info.functions = ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(shader->get_mode()));
- info.render_modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(shader->get_mode()));
- info.shader_types = ShaderTypes::get_singleton()->get_types();
- info.global_variable_type_func = _get_global_variable_type;
+ if (shader.is_valid()) {
+ _check_shader_mode();
+ code = shader->get_code();
+ } else {
+ code = shader_inc->get_code();
+ }
ShaderLanguage sl;
sl.enable_warning_checking(saved_warnings_enabled);
- sl.set_warning_flags(saved_warning_flags);
+ uint32_t flags = saved_warning_flags;
+ if (shader.is_null()) {
+ if (flags & ShaderWarning::UNUSED_CONSTANT) {
+ flags &= ~(ShaderWarning::UNUSED_CONSTANT);
+ }
+ if (flags & ShaderWarning::UNUSED_FUNCTION) {
+ flags &= ~(ShaderWarning::UNUSED_FUNCTION);
+ }
+ if (flags & ShaderWarning::UNUSED_STRUCT) {
+ flags &= ~(ShaderWarning::UNUSED_STRUCT);
+ }
+ if (flags & ShaderWarning::UNUSED_UNIFORM) {
+ flags &= ~(ShaderWarning::UNUSED_UNIFORM);
+ }
+ if (flags & ShaderWarning::UNUSED_VARYING) {
+ flags &= ~(ShaderWarning::UNUSED_VARYING);
+ }
+ }
+ sl.set_warning_flags(flags);
+
+ ShaderLanguage::ShaderCompileInfo info;
+ info.global_variable_type_func = _get_global_variable_type;
+
+ if (shader.is_null()) {
+ info.is_include = true;
+ } else {
+ Shader::Mode mode = shader->get_mode();
+ info.functions = ShaderTypes::get_singleton()->get_functions(RenderingServer::ShaderMode(mode));
+ info.render_modes = ShaderTypes::get_singleton()->get_modes(RenderingServer::ShaderMode(mode));
+ info.shader_types = ShaderTypes::get_singleton()->get_types();
+ }
last_compile_result = sl.compile(code, info);
@@ -524,15 +596,23 @@ void ShaderEditor::_update_warnings(bool p_validate) {
}
void ShaderEditor::_check_for_external_edit() {
- if (shader.is_null() || !shader.is_valid()) {
+ bool use_autoreload = bool(EDITOR_GET("text_editor/behavior/files/auto_reload_scripts_on_external_change"));
+
+ if (shader_inc.is_valid()) {
+ if (shader_inc->get_last_modified_time() != FileAccess::get_modified_time(shader_inc->get_path())) {
+ if (use_autoreload) {
+ _reload_shader_include_from_disk();
+ } else {
+ disk_changed->call_deferred(SNAME("popup_centered"));
+ }
+ }
return;
}
- if (shader->is_built_in()) {
+ if (shader.is_null() || shader->is_built_in()) {
return;
}
- bool use_autoreload = bool(EDITOR_GET("text_editor/behavior/files/auto_reload_scripts_on_external_change"));
if (shader->get_last_modified_time() != FileAccess::get_modified_time(shader->get_path())) {
if (use_autoreload) {
_reload_shader_from_disk();
@@ -551,6 +631,23 @@ void ShaderEditor::_reload_shader_from_disk() {
shader_editor->reload_text();
}
+void ShaderEditor::_reload_shader_include_from_disk() {
+ Ref<ShaderInclude> rel_shader_include = ResourceLoader::load(shader_inc->get_path(), shader_inc->get_class(), ResourceFormatLoader::CACHE_MODE_IGNORE);
+ ERR_FAIL_COND(!rel_shader_include.is_valid());
+
+ shader_inc->set_code(rel_shader_include->get_code());
+ shader_inc->set_last_modified_time(rel_shader_include->get_last_modified_time());
+ shader_editor->reload_text();
+}
+
+void ShaderEditor::_reload() {
+ if (shader.is_valid()) {
+ _reload_shader_from_disk();
+ } else if (shader_inc.is_valid()) {
+ _reload_shader_include_from_disk();
+ }
+}
+
void ShaderEditor::edit(const Ref<Shader> &p_shader) {
if (p_shader.is_null() || !p_shader->is_text_shader()) {
return;
@@ -561,37 +658,73 @@ void ShaderEditor::edit(const Ref<Shader> &p_shader) {
}
shader = p_shader;
+ shader_inc = Ref<ShaderInclude>();
+
+ shader_editor->set_edited_shader(shader);
+}
+
+void ShaderEditor::edit(const Ref<ShaderInclude> &p_shader_inc) {
+ if (p_shader_inc.is_null()) {
+ return;
+ }
- shader_editor->set_edited_shader(p_shader);
+ if (shader_inc == p_shader_inc) {
+ return;
+ }
- //vertex_editor->set_edited_shader(shader,ShaderLanguage::SHADER_MATERIAL_VERTEX);
- // see if already has it
+ shader_inc = p_shader_inc;
+ shader = Ref<Shader>();
+
+ shader_editor->set_edited_shader_include(p_shader_inc);
}
void ShaderEditor::save_external_data(const String &p_str) {
- if (shader.is_null()) {
+ if (shader.is_null() && shader_inc.is_null()) {
disk_changed->hide();
return;
}
apply_shaders();
- if (!shader->is_built_in()) {
- //external shader, save it
+
+ Ref<Shader> edited_shader = shader_editor->get_edited_shader();
+ if (edited_shader.is_valid()) {
+ ResourceSaver::save(edited_shader->get_path(), edited_shader);
+ }
+ if (shader.is_valid() && shader != edited_shader) {
ResourceSaver::save(shader->get_path(), shader);
}
+ Ref<ShaderInclude> edited_shader_inc = shader_editor->get_edited_shader_include();
+ if (edited_shader_inc.is_valid()) {
+ ResourceSaver::save(edited_shader_inc->get_path(), edited_shader_inc);
+ }
+ if (shader_inc.is_valid() && shader_inc != edited_shader_inc) {
+ ResourceSaver::save(shader_inc->get_path(), shader_inc);
+ }
+
disk_changed->hide();
}
+void ShaderEditor::validate_script() {
+ shader_editor->_validate_script();
+}
+
void ShaderEditor::apply_shaders() {
+ String editor_code = shader_editor->get_text_editor()->get_text();
if (shader.is_valid()) {
String shader_code = shader->get_code();
- String editor_code = shader_editor->get_text_editor()->get_text();
if (shader_code != editor_code) {
shader->set_code(editor_code);
shader->set_edited(true);
}
}
+ if (shader_inc.is_valid()) {
+ String shader_inc_code = shader_inc->get_code();
+ if (shader_inc_code != editor_code) {
+ shader_inc->set_code(editor_code);
+ shader_inc->set_edited(true);
+ }
+ }
}
void ShaderEditor::_text_edit_gui_input(const Ref<InputEvent> &ev) {
@@ -704,6 +837,7 @@ ShaderEditor::ShaderEditor() {
_update_warnings(false);
shader_editor = memnew(ShaderTextEditor);
+
shader_editor->set_v_size_flags(SIZE_EXPAND_FILL);
shader_editor->add_theme_constant_override("separation", 0);
shader_editor->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT);
@@ -829,7 +963,7 @@ ShaderEditor::ShaderEditor() {
dl->set_text(TTR("This shader has been modified on disk.\nWhat action should be taken?"));
vbc->add_child(dl);
- disk_changed->connect("confirmed", callable_mp(this, &ShaderEditor::_reload_shader_from_disk));
+ disk_changed->connect("confirmed", callable_mp(this, &ShaderEditor::_reload));
disk_changed->set_ok_button_text(TTR("Reload"));
disk_changed->add_button(TTR("Resave"), !DisplayServer::get_singleton()->get_swap_cancel_ok(), "resave");
@@ -844,19 +978,37 @@ void ShaderEditorPlugin::_update_shader_list() {
shader_list->clear();
for (uint32_t i = 0; i < edited_shaders.size(); i++) {
String text;
- String path = edited_shaders[i].shader->get_path();
- String _class = edited_shaders[i].shader->get_class();
+ String path;
+ String _class;
+ String shader_name;
+ if (edited_shaders[i].shader.is_valid()) {
+ Ref<Shader> shader = edited_shaders[i].shader;
+
+ path = shader->get_path();
+ _class = shader->get_class();
+ shader_name = shader->get_name();
+ } else {
+ Ref<ShaderInclude> shader_inc = edited_shaders[i].shader_inc;
+
+ path = shader_inc->get_path();
+ _class = shader_inc->get_class();
+ shader_name = shader_inc->get_name();
+ }
if (path.is_resource_file()) {
text = path.get_file();
- } else if (edited_shaders[i].shader->get_name() != "") {
- text = edited_shaders[i].shader->get_name();
+ } else if (shader_name != "") {
+ text = shader_name;
} else {
- text = _class + ":" + itos(edited_shaders[i].shader->get_instance_id());
+ if (edited_shaders[i].shader.is_valid()) {
+ text = _class + ":" + itos(edited_shaders[i].shader->get_instance_id());
+ } else {
+ text = _class + ":" + itos(edited_shaders[i].shader_inc->get_instance_id());
+ }
}
if (!shader_list->has_theme_icon(_class, SNAME("EditorIcons"))) {
- _class = "Resource";
+ _class = "TextFile";
}
Ref<Texture2D> icon = shader_list->get_theme_icon(_class, SNAME("EditorIcons"));
@@ -874,35 +1026,50 @@ void ShaderEditorPlugin::_update_shader_list() {
}
void ShaderEditorPlugin::edit(Object *p_object) {
- Shader *s = Object::cast_to<Shader>(p_object);
- for (uint32_t i = 0; i < edited_shaders.size(); i++) {
- if (edited_shaders[i].shader.ptr() == s) {
- // Exists, select.
- shader_tabs->set_current_tab(i);
- shader_list->select(i);
- return;
- }
- }
- // Add.
EditedShader es;
- es.shader = Ref<Shader>(s);
- Ref<VisualShader> vs = es.shader;
- if (vs.is_valid()) {
- es.visual_shader_editor = memnew(VisualShaderEditor);
- shader_tabs->add_child(es.visual_shader_editor);
- es.visual_shader_editor->edit(vs.ptr());
- } else {
+
+ ShaderInclude *si = Object::cast_to<ShaderInclude>(p_object);
+ if (si != nullptr) {
+ for (uint32_t i = 0; i < edited_shaders.size(); i++) {
+ if (edited_shaders[i].shader_inc.ptr() == si) {
+ shader_tabs->set_current_tab(i);
+ shader_list->select(i);
+ return;
+ }
+ }
+ es.shader_inc = Ref<ShaderInclude>(si);
es.shader_editor = memnew(ShaderEditor);
+ es.shader_editor->edit(si);
shader_tabs->add_child(es.shader_editor);
- es.shader_editor->edit(s);
+ } else {
+ Shader *s = Object::cast_to<Shader>(p_object);
+ for (uint32_t i = 0; i < edited_shaders.size(); i++) {
+ if (edited_shaders[i].shader.ptr() == s) {
+ shader_tabs->set_current_tab(i);
+ shader_list->select(i);
+ return;
+ }
+ }
+ es.shader = Ref<Shader>(s);
+ Ref<VisualShader> vs = es.shader;
+ if (vs.is_valid()) {
+ es.visual_shader_editor = memnew(VisualShaderEditor);
+ es.visual_shader_editor->edit(vs.ptr());
+ shader_tabs->add_child(es.visual_shader_editor);
+ } else {
+ es.shader_editor = memnew(ShaderEditor);
+ es.shader_editor->edit(s);
+ shader_tabs->add_child(es.shader_editor);
+ }
}
+
shader_tabs->set_current_tab(shader_tabs->get_tab_count() - 1);
edited_shaders.push_back(es);
_update_shader_list();
}
bool ShaderEditorPlugin::handles(Object *p_object) const {
- return Object::cast_to<Shader>(p_object) != nullptr;
+ return Object::cast_to<Shader>(p_object) != nullptr || Object::cast_to<ShaderInclude>(p_object) != nullptr;
}
void ShaderEditorPlugin::make_visible(bool p_visible) {
@@ -949,6 +1116,9 @@ void ShaderEditorPlugin::apply_changes() {
}
void ShaderEditorPlugin::_shader_selected(int p_index) {
+ if (edited_shaders[p_index].shader_editor) {
+ edited_shaders[p_index].shader_editor->validate_script();
+ }
shader_tabs->set_current_tab(p_index);
}
@@ -975,31 +1145,56 @@ void ShaderEditorPlugin::_resource_saved(Object *obj) {
void ShaderEditorPlugin::_menu_item_pressed(int p_index) {
switch (p_index) {
case FILE_NEW: {
- String base_path = FileSystemDock::get_singleton()->get_current_path();
+ String base_path = FileSystemDock::get_singleton()->get_current_path().get_base_dir();
shader_create_dialog->config(base_path.plus_file("new_shader"), false, false, 0);
shader_create_dialog->popup_centered();
} break;
+ case FILE_NEW_INCLUDE: {
+ String base_path = FileSystemDock::get_singleton()->get_current_path().get_base_dir();
+ shader_create_dialog->config(base_path.plus_file("new_shader"), false, false, 2);
+ shader_create_dialog->popup_centered();
+ } break;
case FILE_OPEN: {
InspectorDock::get_singleton()->open_resource("Shader");
} break;
+ case FILE_OPEN_INCLUDE: {
+ InspectorDock::get_singleton()->open_resource("ShaderInclude");
+ } break;
case FILE_SAVE: {
int index = shader_tabs->get_current_tab();
ERR_FAIL_INDEX(index, shader_tabs->get_tab_count());
- EditorNode::get_singleton()->save_resource(edited_shaders[index].shader);
+ if (edited_shaders[index].shader.is_valid()) {
+ EditorNode::get_singleton()->save_resource(edited_shaders[index].shader);
+ } else {
+ EditorNode::get_singleton()->save_resource(edited_shaders[index].shader_inc);
+ }
} break;
case FILE_SAVE_AS: {
int index = shader_tabs->get_current_tab();
ERR_FAIL_INDEX(index, shader_tabs->get_tab_count());
- String path = edited_shaders[index].shader->get_path();
- if (!path.is_resource_file()) {
- path = "";
+ String path;
+ if (edited_shaders[index].shader.is_valid()) {
+ path = edited_shaders[index].shader->get_path();
+ if (!path.is_resource_file()) {
+ path = "";
+ }
+ EditorNode::get_singleton()->save_resource_as(edited_shaders[index].shader, path);
+ } else {
+ path = edited_shaders[index].shader_inc->get_path();
+ if (!path.is_resource_file()) {
+ path = "";
+ }
+ EditorNode::get_singleton()->save_resource_as(edited_shaders[index].shader_inc, path);
}
- EditorNode::get_singleton()->save_resource_as(edited_shaders[index].shader, path);
} break;
case FILE_INSPECT: {
int index = shader_tabs->get_current_tab();
ERR_FAIL_INDEX(index, shader_tabs->get_tab_count());
- EditorNode::get_singleton()->push_item(edited_shaders[index].shader.ptr());
+ if (edited_shaders[index].shader.is_valid()) {
+ EditorNode::get_singleton()->push_item(edited_shaders[index].shader.ptr());
+ } else {
+ EditorNode::get_singleton()->push_item(edited_shaders[index].shader_inc.ptr());
+ }
} break;
case FILE_CLOSE: {
_close_shader(shader_tabs->get_current_tab());
@@ -1011,6 +1206,10 @@ void ShaderEditorPlugin::_shader_created(Ref<Shader> p_shader) {
EditorNode::get_singleton()->push_item(p_shader.ptr());
}
+void ShaderEditorPlugin::_shader_include_created(Ref<ShaderInclude> p_shader_inc) {
+ EditorNode::get_singleton()->push_item(p_shader_inc.ptr());
+}
+
ShaderEditorPlugin::ShaderEditorPlugin() {
main_split = memnew(HSplitContainer);
@@ -1021,14 +1220,16 @@ ShaderEditorPlugin::ShaderEditorPlugin() {
file_menu = memnew(MenuButton);
file_menu->set_text(TTR("File"));
file_menu->get_popup()->add_item(TTR("New Shader"), FILE_NEW);
+ file_menu->get_popup()->add_item(TTR("New Shader Include"), FILE_NEW_INCLUDE);
file_menu->get_popup()->add_separator();
- file_menu->get_popup()->add_item(TTR("Load Shader"), FILE_OPEN);
- file_menu->get_popup()->add_item(TTR("Save Shader"), FILE_SAVE);
- file_menu->get_popup()->add_item(TTR("Save Shader As"), FILE_SAVE_AS);
+ file_menu->get_popup()->add_item(TTR("Load Shader File"), FILE_OPEN);
+ file_menu->get_popup()->add_item(TTR("Load Shader Include File"), FILE_OPEN_INCLUDE);
+ file_menu->get_popup()->add_item(TTR("Save File"), FILE_SAVE);
+ file_menu->get_popup()->add_item(TTR("Save File As"), FILE_SAVE_AS);
file_menu->get_popup()->add_separator();
- file_menu->get_popup()->add_item(TTR("Open Shader in Inspector"), FILE_INSPECT);
+ file_menu->get_popup()->add_item(TTR("Open File in Inspector"), FILE_INSPECT);
file_menu->get_popup()->add_separator();
- file_menu->get_popup()->add_item(TTR("Close Shader"), FILE_CLOSE);
+ file_menu->get_popup()->add_item(TTR("Close File"), FILE_CLOSE);
file_menu->get_popup()->connect("id_pressed", callable_mp(this, &ShaderEditorPlugin::_menu_item_pressed));
file_hb->add_child(file_menu);
@@ -1060,6 +1261,7 @@ ShaderEditorPlugin::ShaderEditorPlugin() {
shader_create_dialog = memnew(ShaderCreateDialog);
vb->add_child(shader_create_dialog);
shader_create_dialog->connect("shader_created", callable_mp(this, &ShaderEditorPlugin::_shader_created));
+ shader_create_dialog->connect("shader_include_created", callable_mp(this, &ShaderEditorPlugin::_shader_include_created));
}
ShaderEditorPlugin::~ShaderEditorPlugin() {
diff --git a/editor/plugins/shader_editor_plugin.h b/editor/plugins/shader_editor_plugin.h
index 2e0dbe0d60..c9cd75e451 100644
--- a/editor/plugins/shader_editor_plugin.h
+++ b/editor/plugins/shader_editor_plugin.h
@@ -40,6 +40,7 @@
#include "scene/gui/text_edit.h"
#include "scene/main/timer.h"
#include "scene/resources/shader.h"
+#include "scene/resources/shader_include.h"
#include "servers/rendering/shader_warnings.h"
class ItemList;
@@ -59,6 +60,7 @@ class ShaderTextEditor : public CodeTextEditor {
Ref<CodeHighlighter> syntax_highlighter;
RichTextLabel *warnings_panel = nullptr;
Ref<Shader> shader;
+ Ref<ShaderInclude> shader_inc;
List<ShaderWarning> warnings;
Error last_compile_result = Error::OK;
@@ -79,7 +81,14 @@ public:
void set_warnings_panel(RichTextLabel *p_warnings_panel);
Ref<Shader> get_edited_shader() const;
+ Ref<ShaderInclude> get_edited_shader_include() const;
+
void set_edited_shader(const Ref<Shader> &p_shader);
+ void set_edited_shader(const Ref<Shader> &p_shader, const String &p_code);
+ void set_edited_shader_include(const Ref<ShaderInclude> &p_include);
+ void set_edited_shader_include(const Ref<ShaderInclude> &p_include, const String &p_code);
+ void set_edited_code(const String &p_code);
+
ShaderTextEditor();
};
@@ -129,12 +138,15 @@ class ShaderEditor : public PanelContainer {
void _menu_option(int p_option);
mutable Ref<Shader> shader;
+ mutable Ref<ShaderInclude> shader_inc;
void _editor_settings_changed();
void _project_settings_changed();
void _check_for_external_edit();
void _reload_shader_from_disk();
+ void _reload_shader_include_from_disk();
+ void _reload();
void _show_warnings_panel(bool p_show);
void _warning_clicked(Variant p_line);
void _update_warnings(bool p_validate);
@@ -143,21 +155,21 @@ protected:
void _notification(int p_what);
static void _bind_methods();
void _make_context_menu(bool p_selection, Vector2 p_position);
- void _text_edit_gui_input(const Ref<InputEvent> &ev);
+ void _text_edit_gui_input(const Ref<InputEvent> &p_ev);
void _update_bookmark_list();
void _bookmark_item_pressed(int p_idx);
public:
void apply_shaders();
-
void ensure_select_current();
void edit(const Ref<Shader> &p_shader);
-
+ void edit(const Ref<ShaderInclude> &p_shader_inc);
void goto_line_selection(int p_line, int p_begin, int p_end);
+ void save_external_data(const String &p_str = "");
+ void validate_script();
virtual Size2 get_minimum_size() const override { return Size2(0, 200); }
- void save_external_data(const String &p_str = "");
ShaderEditor();
};
@@ -167,6 +179,7 @@ class ShaderEditorPlugin : public EditorPlugin {
struct EditedShader {
Ref<Shader> shader;
+ Ref<ShaderInclude> shader_inc;
ShaderEditor *shader_editor = nullptr;
VisualShaderEditor *visual_shader_editor = nullptr;
};
@@ -175,7 +188,9 @@ class ShaderEditorPlugin : public EditorPlugin {
enum {
FILE_NEW,
+ FILE_NEW_INCLUDE,
FILE_OPEN,
+ FILE_OPEN_INCLUDE,
FILE_SAVE,
FILE_SAVE_AS,
FILE_INSPECT,
@@ -199,6 +214,7 @@ class ShaderEditorPlugin : public EditorPlugin {
void _close_shader(int p_index);
void _shader_created(Ref<Shader> p_shader);
+ void _shader_include_created(Ref<ShaderInclude> p_shader_inc);
public:
virtual String get_name() const override { return "Shader"; }
diff --git a/editor/shader_create_dialog.cpp b/editor/shader_create_dialog.cpp
index 28e1e9bf22..7ae03ee96f 100644
--- a/editor/shader_create_dialog.cpp
+++ b/editor/shader_create_dialog.cpp
@@ -33,6 +33,7 @@
#include "core/config/project_settings.h"
#include "editor/editor_file_dialog.h"
#include "editor/editor_scale.h"
+#include "scene/resources/shader_include.h"
#include "scene/resources/visual_shader.h"
#include "servers/rendering/shader_types.h"
@@ -43,15 +44,15 @@ void ShaderCreateDialog::_notification(int p_what) {
String last_lang = EditorSettings::get_singleton()->get_project_metadata("shader_setup", "last_selected_language", "");
if (!last_lang.is_empty()) {
- for (int i = 0; i < language_menu->get_item_count(); i++) {
- if (language_menu->get_item_text(i) == last_lang) {
- language_menu->select(i);
- current_language = i;
+ for (int i = 0; i < type_menu->get_item_count(); i++) {
+ if (type_menu->get_item_text(i) == last_lang) {
+ type_menu->select(i);
+ current_type = i;
break;
}
}
} else {
- language_menu->select(default_language);
+ type_menu->select(default_type);
}
current_mode = EditorSettings::get_singleton()->get_project_metadata("shader_setup", "last_selected_mode", 0);
@@ -67,12 +68,17 @@ void ShaderCreateDialog::_notification(int p_what) {
void ShaderCreateDialog::_update_theme() {
Ref<Texture2D> shader_icon = gc->get_theme_icon(SNAME("Shader"), SNAME("EditorIcons"));
if (shader_icon.is_valid()) {
- language_menu->set_item_icon(0, shader_icon);
+ type_menu->set_item_icon(0, shader_icon);
}
Ref<Texture2D> visual_shader_icon = gc->get_theme_icon(SNAME("VisualShader"), SNAME("EditorIcons"));
if (visual_shader_icon.is_valid()) {
- language_menu->set_item_icon(1, visual_shader_icon);
+ type_menu->set_item_icon(1, visual_shader_icon);
+ }
+
+ Ref<Texture2D> include_icon = gc->get_theme_icon(SNAME("TextFile"), SNAME("EditorIcons"));
+ if (include_icon.is_valid()) {
+ type_menu->set_item_icon(2, include_icon);
}
path_button->set_icon(get_theme_icon(SNAME("Folder"), SNAME("EditorIcons")));
@@ -80,7 +86,7 @@ void ShaderCreateDialog::_update_theme() {
}
void ShaderCreateDialog::_update_language_info() {
- language_data.clear();
+ type_data.clear();
for (int i = 0; i < SHADER_TYPE_MAX; i++) {
ShaderTypeData data;
@@ -88,12 +94,15 @@ void ShaderCreateDialog::_update_language_info() {
data.use_templates = true;
data.extensions.push_back("gdshader");
data.default_extension = "gdshader";
+ } else if (i == int(SHADER_TYPE_INC)) {
+ data.extensions.push_back("gdshaderinc");
+ data.default_extension = "gdshaderinc";
} else {
data.default_extension = "tres";
}
data.extensions.push_back("res");
data.extensions.push_back("tres");
- language_data.push_back(data);
+ type_data.push_back(data);
}
}
@@ -136,69 +145,97 @@ void ShaderCreateDialog::ok_pressed() {
void ShaderCreateDialog::_create_new() {
Ref<Resource> shader;
-
- if (language_menu->get_selected() == int(SHADER_TYPE_TEXT)) {
- Ref<Shader> text_shader;
- text_shader.instantiate();
- shader = text_shader;
-
- StringBuilder code;
- code += vformat("shader_type %s;\n", mode_menu->get_text().replace(" ", "").camelcase_to_underscore());
-
- if (current_template == 0) { // Default template.
- code += "\n";
- switch (current_mode) {
- case Shader::MODE_SPATIAL:
- code += "void fragment() {\n";
- code += "\t// Place fragment code here.\n";
- code += "}\n";
- break;
- case Shader::MODE_CANVAS_ITEM:
- code += "void fragment() {\n";
- code += "\t// Place fragment code here.\n";
- code += "}\n";
- break;
- case Shader::MODE_PARTICLES:
- code += "void start() {\n";
- code += "\t// Place start code here.\n";
- code += "}\n";
- code += "\n";
- code += "void process() {\n";
- code += "\t// Place process code here.\n";
- code += "}\n";
- break;
- case Shader::MODE_SKY:
- code += "void sky() {\n";
- code += "\t// Place sky code here.\n";
- code += "}\n";
- break;
- case Shader::MODE_FOG:
- code += "void fog() {\n";
- code += "\t// Place fog code here.\n";
- code += "}\n";
- break;
+ Ref<Resource> shader_inc;
+
+ switch (type_menu->get_selected()) {
+ case SHADER_TYPE_TEXT: {
+ Ref<Shader> text_shader;
+ text_shader.instantiate();
+ shader = text_shader;
+
+ StringBuilder code;
+ code += vformat("shader_type %s;\n", mode_menu->get_text().replace(" ", "").camelcase_to_underscore());
+
+ if (current_template == 0) { // Default template.
+ code += "\n";
+ switch (current_mode) {
+ case Shader::MODE_SPATIAL:
+ code += "void fragment() {\n";
+ code += "\t// Place fragment code here.\n";
+ code += "}\n";
+ break;
+ case Shader::MODE_CANVAS_ITEM:
+ code += "void fragment() {\n";
+ code += "\t// Place fragment code here.\n";
+ code += "}\n";
+ break;
+ case Shader::MODE_PARTICLES:
+ code += "void start() {\n";
+ code += "\t// Place start code here.\n";
+ code += "}\n";
+ code += "\n";
+ code += "void process() {\n";
+ code += "\t// Place process code here.\n";
+ code += "}\n";
+ break;
+ case Shader::MODE_SKY:
+ code += "void sky() {\n";
+ code += "\t// Place sky code here.\n";
+ code += "}\n";
+ break;
+ case Shader::MODE_FOG:
+ code += "void fog() {\n";
+ code += "\t// Place fog code here.\n";
+ code += "}\n";
+ break;
+ }
}
- }
- text_shader->set_code(code.as_string());
- } else {
- Ref<VisualShader> visual_shader;
- visual_shader.instantiate();
- shader = visual_shader;
- visual_shader->set_mode(Shader::Mode(current_mode));
+ text_shader->set_code(code.as_string());
+ } break;
+ case SHADER_TYPE_VISUAL: {
+ Ref<VisualShader> visual_shader;
+ visual_shader.instantiate();
+ shader = visual_shader;
+ visual_shader->set_mode(Shader::Mode(current_mode));
+ } break;
+ case SHADER_TYPE_INC: {
+ Ref<ShaderInclude> include;
+ include.instantiate();
+ shader_inc = include;
+ } break;
+ default: {
+ } break;
}
- if (!is_built_in) {
+ if (shader.is_null()) {
String lpath = ProjectSettings::get_singleton()->localize_path(file_path->get_text());
- shader->set_path(lpath);
- Error err = ResourceSaver::save(lpath, shader, ResourceSaver::FLAG_CHANGE_PATH);
- if (err != OK) {
- alert->set_text(TTR("Error - Could not create shader in filesystem."));
+ shader_inc->set_path(lpath);
+
+ Error error = ResourceSaver::save(lpath, shader_inc, ResourceSaver::FLAG_CHANGE_PATH);
+ if (error != OK) {
+ alert->set_text(TTR("Error - Could not create shader include in filesystem."));
alert->popup_centered();
return;
}
+
+ emit_signal(SNAME("shader_include_created"), shader_inc);
+ } else {
+ if (!is_built_in) {
+ String lpath = ProjectSettings::get_singleton()->localize_path(file_path->get_text());
+ shader->set_path(lpath);
+
+ Error error = ResourceSaver::save(lpath, shader, ResourceSaver::FLAG_CHANGE_PATH);
+ if (error != OK) {
+ alert->set_text(TTR("Error - Could not create shader in filesystem."));
+ alert->popup_centered();
+ return;
+ }
+ }
+
+ emit_signal(SNAME("shader_created"), shader);
}
- emit_signal(SNAME("shader_created"), shader);
+ file_path->set_text(file_path->get_text().get_base_dir());
hide();
}
@@ -215,9 +252,9 @@ void ShaderCreateDialog::_load_exist() {
hide();
}
-void ShaderCreateDialog::_language_changed(int p_language) {
- current_language = p_language;
- ShaderTypeData data = language_data[p_language];
+void ShaderCreateDialog::_type_changed(int p_language) {
+ current_type = p_language;
+ ShaderTypeData data = type_data[p_language];
String selected_ext = "." + data.default_extension;
String path = file_path->get_text();
@@ -238,6 +275,8 @@ void ShaderCreateDialog::_language_changed(int p_language) {
_path_changed(path);
file_path->set_text(path);
+ type_menu->set_item_disabled(int(SHADER_TYPE_INC), load_enabled);
+ mode_menu->set_disabled(p_language == SHADER_TYPE_INC);
template_menu->set_disabled(!data.use_templates);
template_menu->clear();
@@ -253,7 +292,7 @@ void ShaderCreateDialog::_language_changed(int p_language) {
template_menu->add_item(TTR("N/A"));
}
- EditorSettings::get_singleton()->set_project_metadata("shader_setup", "last_selected_language", language_menu->get_item_text(language_menu->get_selected()));
+ EditorSettings::get_singleton()->set_project_metadata("shader_setup", "last_selected_language", type_menu->get_item_text(type_menu->get_selected()));
_update_dialog();
}
@@ -275,7 +314,7 @@ void ShaderCreateDialog::_browse_path() {
file_browse->set_disable_overwrite_warning(true);
file_browse->clear_filters();
- List<String> extensions = language_data[language_menu->get_selected()].extensions;
+ List<String> extensions = type_data[type_menu->get_selected()].extensions;
for (const String &E : extensions) {
file_browse->add_filter("*." + E);
@@ -330,8 +369,8 @@ void ShaderCreateDialog::_path_submitted(const String &p_path) {
void ShaderCreateDialog::config(const String &p_base_path, bool p_built_in_enabled, bool p_load_enabled, int p_preferred_type, int p_preferred_mode) {
if (!p_base_path.is_empty()) {
initial_base_path = p_base_path.get_basename();
- file_path->set_text(initial_base_path + "." + language_data[language_menu->get_selected()].default_extension);
- current_language = language_menu->get_selected();
+ file_path->set_text(initial_base_path + "." + type_data[type_menu->get_selected()].default_extension);
+ current_type = type_menu->get_selected();
} else {
initial_base_path = "";
file_path->set_text("");
@@ -342,8 +381,8 @@ void ShaderCreateDialog::config(const String &p_base_path, bool p_built_in_enabl
load_enabled = p_load_enabled;
if (p_preferred_type > -1) {
- language_menu->select(p_preferred_type);
- _language_changed(p_preferred_type);
+ type_menu->select(p_preferred_type);
+ _type_changed(p_preferred_type);
}
if (p_preferred_mode > -1) {
@@ -351,7 +390,7 @@ void ShaderCreateDialog::config(const String &p_base_path, bool p_built_in_enabl
_mode_changed(p_preferred_mode);
}
- _language_changed(current_language);
+ _type_changed(current_type);
_path_changed(file_path->get_text());
}
@@ -384,14 +423,14 @@ String ShaderCreateDialog::_validate_path(const String &p_path) {
HashSet<String> extensions;
for (int i = 0; i < SHADER_TYPE_MAX; i++) {
- for (const String &ext : language_data[i].extensions) {
+ for (const String &ext : type_data[i].extensions) {
if (!extensions.has(ext)) {
extensions.insert(ext);
}
}
}
- ShaderTypeData data = language_data[language_menu->get_selected()];
+ ShaderTypeData data = type_data[type_menu->get_selected()];
bool found = false;
bool match = false;
@@ -399,8 +438,8 @@ String ShaderCreateDialog::_validate_path(const String &p_path) {
for (const String &ext : extensions) {
if (ext.nocasecmp_to(extension) == 0) {
found = true;
- for (const String &lang_ext : language_data[current_language].extensions) {
- if (lang_ext.nocasecmp_to(extension) == 0) {
+ for (const String &type_ext : type_data[current_type].extensions) {
+ if (type_ext.nocasecmp_to(extension) == 0) {
match = true;
break;
}
@@ -504,6 +543,7 @@ void ShaderCreateDialog::_bind_methods() {
ClassDB::bind_method(D_METHOD("config", "path", "built_in_enabled", "load_enabled"), &ShaderCreateDialog::config, DEFVAL(true), DEFVAL(true));
ADD_SIGNAL(MethodInfo("shader_created", PropertyInfo(Variant::OBJECT, "shader", PROPERTY_HINT_RESOURCE_TYPE, "Shader")));
+ ADD_SIGNAL(MethodInfo("shader_include_created", PropertyInfo(Variant::OBJECT, "shader_include", PROPERTY_HINT_RESOURCE_TYPE, "ShaderInclude")));
}
ShaderCreateDialog::ShaderCreateDialog() {
@@ -547,24 +587,27 @@ ShaderCreateDialog::ShaderCreateDialog() {
vb->add_child(status_panel);
add_child(vb);
- // Language.
+ // Type.
- language_menu = memnew(OptionButton);
- language_menu->set_custom_minimum_size(Size2(250, 0) * EDSCALE);
- language_menu->set_h_size_flags(Control::SIZE_EXPAND_FILL);
- gc->add_child(memnew(Label(TTR("Language:"))));
- gc->add_child(language_menu);
+ type_menu = memnew(OptionButton);
+ type_menu->set_custom_minimum_size(Size2(250, 0) * EDSCALE);
+ type_menu->set_h_size_flags(Control::SIZE_EXPAND_FILL);
+ gc->add_child(memnew(Label(TTR("Type:"))));
+ gc->add_child(type_menu);
for (int i = 0; i < SHADER_TYPE_MAX; i++) {
- String language;
+ String type;
bool invalid = false;
switch (i) {
case SHADER_TYPE_TEXT:
- language = "Shader";
- default_language = i;
+ type = "Shader";
+ default_type = i;
break;
case SHADER_TYPE_VISUAL:
- language = "VisualShader";
+ type = "VisualShader";
+ break;
+ case SHADER_TYPE_INC:
+ type = "ShaderInclude";
break;
case SHADER_TYPE_MAX:
invalid = true;
@@ -576,13 +619,13 @@ ShaderCreateDialog::ShaderCreateDialog() {
if (invalid) {
continue;
}
- language_menu->add_item(language);
+ type_menu->add_item(type);
}
- if (default_language >= 0) {
- language_menu->select(default_language);
+ if (default_type >= 0) {
+ type_menu->select(default_type);
}
- current_language = default_language;
- language_menu->connect("item_selected", callable_mp(this, &ShaderCreateDialog::_language_changed));
+ current_type = default_type;
+ type_menu->connect("item_selected", callable_mp(this, &ShaderCreateDialog::_type_changed));
// Modes.
diff --git a/editor/shader_create_dialog.h b/editor/shader_create_dialog.h
index 6737ce4f10..44bd866fbd 100644
--- a/editor/shader_create_dialog.h
+++ b/editor/shader_create_dialog.h
@@ -47,6 +47,7 @@ class ShaderCreateDialog : public ConfirmationDialog {
enum ShaderType {
SHADER_TYPE_TEXT,
SHADER_TYPE_VISUAL,
+ SHADER_TYPE_INC,
SHADER_TYPE_MAX,
};
@@ -56,14 +57,14 @@ class ShaderCreateDialog : public ConfirmationDialog {
bool use_templates = false;
};
- List<ShaderTypeData> language_data;
+ List<ShaderTypeData> type_data;
GridContainer *gc = nullptr;
Label *error_label = nullptr;
Label *path_error_label = nullptr;
Label *builtin_warning_label = nullptr;
PanelContainer *status_panel = nullptr;
- OptionButton *language_menu = nullptr;
+ OptionButton *type_menu = nullptr;
OptionButton *mode_menu = nullptr;
OptionButton *template_menu = nullptr;
CheckBox *internal = nullptr;
@@ -79,8 +80,8 @@ class ShaderCreateDialog : public ConfirmationDialog {
bool built_in_enabled = true;
bool load_enabled = false;
bool re_check_path = false;
- int current_language = -1;
- int default_language = -1;
+ int current_type = -1;
+ int default_type = -1;
int current_mode = 0;
int current_template = 0;
@@ -89,7 +90,7 @@ class ShaderCreateDialog : public ConfirmationDialog {
void _path_hbox_sorted();
void _path_changed(const String &p_path = String());
void _path_submitted(const String &p_path = String());
- void _language_changed(int p_language = 0);
+ void _type_changed(int p_type = 0);
void _built_in_toggled(bool p_enabled);
void _template_changed(int p_template = 0);
void _mode_changed(int p_mode = 0);
diff --git a/scene/register_scene_types.cpp b/scene/register_scene_types.cpp
index b1ef3d0f6f..09a283ea53 100644
--- a/scene/register_scene_types.cpp
+++ b/scene/register_scene_types.cpp
@@ -174,6 +174,7 @@
#include "scene/resources/segment_shape_2d.h"
#include "scene/resources/separation_ray_shape_2d.h"
#include "scene/resources/separation_ray_shape_3d.h"
+#include "scene/resources/shader_include.h"
#include "scene/resources/skeleton_modification_2d.h"
#include "scene/resources/skeleton_modification_2d_ccdik.h"
#include "scene/resources/skeleton_modification_2d_fabrik.h"
@@ -273,6 +274,9 @@ static Ref<ResourceFormatLoaderCompressedTexture3D> resource_loader_texture_3d;
static Ref<ResourceFormatSaverShader> resource_saver_shader;
static Ref<ResourceFormatLoaderShader> resource_loader_shader;
+static Ref<ResourceFormatSaverShaderInclude> resource_saver_shader_include;
+static Ref<ResourceFormatLoaderShaderInclude> resource_loader_shader_include;
+
void register_scene_types() {
SceneStringNames::create();
@@ -301,6 +305,12 @@ void register_scene_types() {
resource_loader_shader.instantiate();
ResourceLoader::add_resource_format_loader(resource_loader_shader, true);
+ resource_saver_shader_include.instantiate();
+ ResourceSaver::add_resource_format_saver(resource_saver_shader_include, true);
+
+ resource_loader_shader_include.instantiate();
+ ResourceLoader::add_resource_format_loader(resource_loader_shader_include, true);
+
OS::get_singleton()->yield(); // may take time to init
GDREGISTER_CLASS(Object);
@@ -569,6 +579,7 @@ void register_scene_types() {
GDREGISTER_CLASS(Shader);
GDREGISTER_CLASS(VisualShader);
+ GDREGISTER_CLASS(ShaderInclude);
GDREGISTER_ABSTRACT_CLASS(VisualShaderNode);
GDREGISTER_CLASS(VisualShaderNodeCustom);
GDREGISTER_CLASS(VisualShaderNodeInput);
@@ -1185,6 +1196,12 @@ void unregister_scene_types() {
ResourceLoader::remove_resource_format_loader(resource_loader_shader);
resource_loader_shader.unref();
+ ResourceSaver::remove_resource_format_saver(resource_saver_shader_include);
+ resource_saver_shader_include.unref();
+
+ ResourceLoader::remove_resource_format_loader(resource_loader_shader_include);
+ resource_loader_shader_include.unref();
+
// StandardMaterial3D is not initialised when 3D is disabled, so it shouldn't be cleaned up either
#ifndef _3D_DISABLED
BaseMaterial3D::finish_shaders();
diff --git a/scene/resources/shader.cpp b/scene/resources/shader.cpp
index d49157b1b8..e7f8e6ae11 100644
--- a/scene/resources/shader.cpp
+++ b/scene/resources/shader.cpp
@@ -40,8 +40,28 @@ Shader::Mode Shader::get_mode() const {
return mode;
}
+void Shader::_dependency_changed() {
+ RenderingServer::get_singleton()->shader_set_code(shader, RenderingServer::get_singleton()->shader_get_code(shader));
+ params_cache_dirty = true;
+
+ emit_changed();
+}
+
void Shader::set_code(const String &p_code) {
- String type = ShaderLanguage::get_shader_type(p_code);
+ HashSet<Ref<ShaderInclude>> new_include_dependencies;
+
+ for (Ref<ShaderInclude> E : include_dependencies) {
+ E->disconnect(SNAME("changed"), callable_mp(this, &Shader::_dependency_changed));
+ }
+
+ String type = ShaderLanguage::get_shader_type_and_dependencies(p_code, &new_include_dependencies);
+
+ // This ensures previous include resources are not freed and then re-loaded during parse (which would make compiling slower)
+ include_dependencies = new_include_dependencies;
+
+ for (Ref<ShaderInclude> E : include_dependencies) {
+ E->connect(SNAME("changed"), callable_mp(this, &Shader::_dependency_changed));
+ }
if (type == "canvas_item") {
mode = MODE_CANVAS_ITEM;
diff --git a/scene/resources/shader.h b/scene/resources/shader.h
index 11c9f60ce8..dc3fe8e619 100644
--- a/scene/resources/shader.h
+++ b/scene/resources/shader.h
@@ -35,6 +35,7 @@
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
#include "scene/resources/texture.h"
+#include "shader_include.h"
class Shader : public Resource {
GDCLASS(Shader, Resource);
@@ -53,6 +54,7 @@ public:
private:
RID shader;
Mode mode = MODE_SPATIAL;
+ HashSet<Ref<ShaderInclude>> include_dependencies;
// hack the name of performance
// shaders keep a list of ShaderMaterial -> RenderingServer name translations, to make
@@ -61,6 +63,7 @@ private:
mutable HashMap<StringName, StringName> params_cache; //map a shader param to a material param..
HashMap<StringName, HashMap<int, Ref<Texture2D>>> default_textures;
+ void _dependency_changed();
virtual void _update_shader() const; //used for visual shader
protected:
static void _bind_methods();
diff --git a/scene/resources/shader_include.cpp b/scene/resources/shader_include.cpp
new file mode 100644
index 0000000000..2d4f18534d
--- /dev/null
+++ b/scene/resources/shader_include.cpp
@@ -0,0 +1,139 @@
+/*************************************************************************/
+/* shader_include.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* 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 "shader_include.h"
+#include "servers/rendering/shader_language.h"
+
+void ShaderInclude::_dependency_changed() {
+ emit_changed();
+}
+
+void ShaderInclude::set_code(const String &p_code) {
+ HashSet<Ref<ShaderInclude>> new_dependencies;
+ code = p_code;
+
+ for (Ref<ShaderInclude> E : dependencies) {
+ E->disconnect(SNAME("changed"), callable_mp(this, &ShaderInclude::_dependency_changed));
+ }
+
+ ShaderLanguage::get_shader_dependencies(p_code, &new_dependencies);
+
+ // This ensures previous include resources are not freed and then re-loaded during parse (which would make compiling slower)
+ dependencies = new_dependencies;
+
+ for (Ref<ShaderInclude> E : dependencies) {
+ E->connect(SNAME("changed"), callable_mp(this, &ShaderInclude::_dependency_changed));
+ }
+
+ emit_changed();
+}
+
+String ShaderInclude::get_code() const {
+ return code;
+}
+
+void ShaderInclude::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("set_code", "code"), &ShaderInclude::set_code);
+ ClassDB::bind_method(D_METHOD("get_code"), &ShaderInclude::get_code);
+
+ ADD_PROPERTY(PropertyInfo(Variant::STRING, "code", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "set_code", "get_code");
+}
+
+// ResourceFormatLoaderShaderInclude
+
+Ref<Resource> ResourceFormatLoaderShaderInclude::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress, CacheMode p_cache_mode) {
+ if (r_error) {
+ *r_error = ERR_FILE_CANT_OPEN;
+ }
+
+ Ref<ShaderInclude> shader_inc;
+ shader_inc.instantiate();
+
+ Vector<uint8_t> buffer = FileAccess::get_file_as_array(p_path);
+
+ String str;
+ str.parse_utf8((const char *)buffer.ptr(), buffer.size());
+
+ shader_inc->set_code(str);
+
+ if (r_error) {
+ *r_error = OK;
+ }
+
+ return shader_inc;
+}
+
+void ResourceFormatLoaderShaderInclude::get_recognized_extensions(List<String> *p_extensions) const {
+ p_extensions->push_back("gdshaderinc");
+}
+
+bool ResourceFormatLoaderShaderInclude::handles_type(const String &p_type) const {
+ return (p_type == "ShaderInclude");
+}
+
+String ResourceFormatLoaderShaderInclude::get_resource_type(const String &p_path) const {
+ String extension = p_path.get_extension().to_lower();
+ if (extension == "gdshaderinc") {
+ return "ShaderInclude";
+ }
+ return "";
+}
+
+// ResourceFormatSaverShaderInclude
+
+Error ResourceFormatSaverShaderInclude::save(const String &p_path, const Ref<Resource> &p_resource, uint32_t p_flags) {
+ Ref<ShaderInclude> shader_inc = p_resource;
+ ERR_FAIL_COND_V(shader_inc.is_null(), ERR_INVALID_PARAMETER);
+
+ String source = shader_inc->get_code();
+
+ Error error;
+ Ref<FileAccess> file = FileAccess::open(p_path, FileAccess::WRITE, &error);
+
+ ERR_FAIL_COND_V_MSG(error, error, "Cannot save shader include '" + p_path + "'.");
+
+ file->store_string(source);
+ if (file->get_error() != OK && file->get_error() != ERR_FILE_EOF) {
+ return ERR_CANT_CREATE;
+ }
+
+ return OK;
+}
+
+void ResourceFormatSaverShaderInclude::get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const {
+ const ShaderInclude *shader_inc = Object::cast_to<ShaderInclude>(*p_resource);
+ if (shader_inc != nullptr) {
+ p_extensions->push_back("gdshaderinc");
+ }
+}
+
+bool ResourceFormatSaverShaderInclude::recognize(const Ref<Resource> &p_resource) const {
+ return p_resource->get_class_name() == "ShaderInclude"; //only shader, not inherited
+}
diff --git a/scene/resources/shader_include.h b/scene/resources/shader_include.h
new file mode 100644
index 0000000000..6f0deeef4e
--- /dev/null
+++ b/scene/resources/shader_include.h
@@ -0,0 +1,71 @@
+/*************************************************************************/
+/* shader_include.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* 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. */
+/*************************************************************************/
+
+#ifndef SHADER_INCLUDE_H
+#define SHADER_INCLUDE_H
+
+#include "core/io/resource.h"
+#include "core/io/resource_loader.h"
+#include "core/io/resource_saver.h"
+#include "core/templates/hash_set.h"
+
+class ShaderInclude : public Resource {
+ GDCLASS(ShaderInclude, Resource);
+ OBJ_SAVE_TYPE(ShaderInclude);
+
+private:
+ String code;
+ HashSet<Ref<ShaderInclude>> dependencies;
+ void _dependency_changed();
+
+protected:
+ static void _bind_methods();
+
+public:
+ void set_code(const String &p_text);
+ String get_code() const;
+};
+
+class ResourceFormatLoaderShaderInclude : public ResourceFormatLoader {
+public:
+ virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
+ virtual void get_recognized_extensions(List<String> *p_extensions) const;
+ virtual bool handles_type(const String &p_type) const;
+ virtual String get_resource_type(const String &p_path) const;
+};
+
+class ResourceFormatSaverShaderInclude : public ResourceFormatSaver {
+public:
+ virtual Error save(const String &p_path, const Ref<Resource> &p_resource, uint32_t p_flags = 0);
+ virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
+ virtual bool recognize(const Ref<Resource> &p_resource) const;
+};
+
+#endif // SHADER_INCLUDE_H
diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index ad9b51ac0c..f4de32d14b 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -33,6 +33,7 @@
#include "core/os/os.h"
#include "core/string/print_string.h"
#include "servers/rendering_server.h"
+#include "shader_preprocessor.h"
#define HAS_WARNING(flag) (warning_flags & flag)
@@ -4118,6 +4119,10 @@ void ShaderLanguage::get_keyword_list(List<String> *r_keywords) {
}
}
+void ShaderLanguage::get_preprocessor_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords) {
+ ShaderPreprocessor::get_keyword_list(r_keywords, p_include_shader_keywords);
+}
+
bool ShaderLanguage::is_control_flow_keyword(String p_keyword) {
return p_keyword == "break" ||
p_keyword == "case" ||
@@ -7677,35 +7682,60 @@ Error ShaderLanguage::_validate_precision(DataType p_type, DataPrecision p_preci
return OK;
}
-Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_functions, const Vector<ModeInfo> &p_render_modes, const HashSet<String> &p_shader_types) {
- Token tk = _get_token();
+Error ShaderLanguage::_preprocess_shader(const String &p_code, String &r_result, int *r_completion_type) {
+ Error error = OK;
+
+ ShaderPreprocessor processor(p_code);
+ processor.preprocess(r_result);
+
+ ShaderPreprocessor::State *state = processor.get_state();
+ if (!state->error.is_empty()) {
+ error_line = state->error_line;
+ error_set = true;
+ error_str = state->error;
+ error = FAILED;
+ }
+
+ if (r_completion_type != nullptr) {
+ *r_completion_type = (int)state->completion_type;
+ }
+
+ return error;
+}
+
+Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_functions, const Vector<ModeInfo> &p_render_modes, const HashSet<String> &p_shader_types, bool p_is_include) {
+ Token tk;
TkPos prev_pos;
Token next;
- if (tk.type != TK_SHADER_TYPE) {
- _set_error(vformat(RTR("Expected '%s' at the beginning of shader. Valid types are: %s."), "shader_type", _get_shader_type_list(p_shader_types)));
- return ERR_PARSE_ERROR;
- }
+ if (!p_is_include) {
+ tk = _get_token();
+
+ if (tk.type != TK_SHADER_TYPE) {
+ _set_error(vformat(RTR("Expected '%s' at the beginning of shader. Valid types are: %s."), "shader_type", _get_shader_type_list(p_shader_types)));
+ return ERR_PARSE_ERROR;
+ }
#ifdef DEBUG_ENABLED
- keyword_completion_context = CF_UNSPECIFIED;
+ keyword_completion_context = CF_UNSPECIFIED;
#endif // DEBUG_ENABLED
- _get_completable_identifier(nullptr, COMPLETION_SHADER_TYPE, shader_type_identifier);
- if (shader_type_identifier == StringName()) {
- _set_error(vformat(RTR("Expected an identifier after '%s', indicating the type of shader. Valid types are: %s."), "shader_type", _get_shader_type_list(p_shader_types)));
- return ERR_PARSE_ERROR;
- }
- if (!p_shader_types.has(shader_type_identifier)) {
- _set_error(vformat(RTR("Invalid shader type. Valid types are: %s"), _get_shader_type_list(p_shader_types)));
- return ERR_PARSE_ERROR;
- }
- prev_pos = _get_tkpos();
- tk = _get_token();
+ _get_completable_identifier(nullptr, COMPLETION_SHADER_TYPE, shader_type_identifier);
+ if (shader_type_identifier == StringName()) {
+ _set_error(vformat(RTR("Expected an identifier after '%s', indicating the type of shader. Valid types are: %s."), "shader_type", _get_shader_type_list(p_shader_types)));
+ return ERR_PARSE_ERROR;
+ }
+ if (!p_shader_types.has(shader_type_identifier)) {
+ _set_error(vformat(RTR("Invalid shader type. Valid types are: %s"), _get_shader_type_list(p_shader_types)));
+ return ERR_PARSE_ERROR;
+ }
+ prev_pos = _get_tkpos();
+ tk = _get_token();
- if (tk.type != TK_SEMICOLON) {
- _set_tkpos(prev_pos);
- _set_expected_after_error(";", "shader_type " + String(shader_type_identifier));
- return ERR_PARSE_ERROR;
+ if (tk.type != TK_SEMICOLON) {
+ _set_tkpos(prev_pos);
+ _set_expected_after_error(";", "shader_type " + String(shader_type_identifier));
+ return ERR_PARSE_ERROR;
+ }
}
#ifdef DEBUG_ENABLED
@@ -9470,6 +9500,97 @@ String ShaderLanguage::get_shader_type(const String &p_code) {
return String();
}
+void ShaderLanguage::get_shader_dependencies(const String &p_code, HashSet<Ref<ShaderInclude>> *r_dependencies) {
+ bool reading_inc = false;
+ String cur_identifier;
+
+ for (int i = _get_first_ident_pos(p_code); i < p_code.length(); i++) {
+ if (p_code[i] == ';') {
+ continue;
+
+ } else if (p_code[i] <= 32) {
+ if (cur_identifier == "#include") {
+ reading_inc = true;
+ cur_identifier = String();
+ } else {
+ if (reading_inc) {
+ String path = cur_identifier;
+ if (path.begins_with("\"") && path.ends_with("\"")) {
+ path = path.substr(1, path.length() - 2);
+ if (!path.begins_with("res://")) {
+ path = path.insert(0, "res://");
+ }
+ Ref<ShaderInclude> inc = ResourceLoader::load(path);
+ if (inc.is_valid()) {
+ r_dependencies->insert(inc);
+ }
+ }
+ reading_inc = false;
+ }
+ }
+ } else {
+ cur_identifier += String::chr(p_code[i]);
+ }
+ }
+}
+
+String ShaderLanguage::get_shader_type_and_dependencies(const String &p_code, HashSet<Ref<ShaderInclude>> *r_dependencies) {
+ bool read_type = true;
+ bool reading_type = false;
+ bool reading_inc = false;
+ String type;
+
+ String cur_identifier;
+
+ for (int i = _get_first_ident_pos(p_code); i < p_code.length(); i++) {
+ if (p_code[i] == ';') {
+ continue;
+
+ } else if (p_code[i] <= 32) {
+ if (!cur_identifier.is_empty()) {
+ if (read_type) {
+ if (!reading_type) {
+ if (cur_identifier == "shader_type") {
+ reading_type = true;
+ cur_identifier = String();
+ }
+ } else {
+ type = cur_identifier;
+ read_type = false;
+ cur_identifier = String();
+ }
+ } else if (cur_identifier == "#include") {
+ reading_inc = true;
+ cur_identifier = String();
+ } else {
+ if (reading_inc) {
+ String path = cur_identifier;
+ if (path.begins_with("\"") && path.ends_with("\"")) {
+ path = path.substr(1, path.length() - 2);
+ if (!path.begins_with("res://")) {
+ path = path.insert(0, "res://");
+ }
+ Ref<ShaderInclude> inc = ResourceLoader::load(path);
+ if (inc.is_valid()) {
+ r_dependencies->insert(inc);
+ }
+ }
+ reading_inc = false;
+ }
+ }
+ }
+ } else {
+ cur_identifier += String::chr(p_code[i]);
+ }
+ }
+
+ if (reading_type) {
+ return type;
+ }
+
+ return String();
+}
+
#ifdef DEBUG_ENABLED
void ShaderLanguage::_check_warning_accums() {
for (const KeyValue<ShaderWarning::Code, HashMap<StringName, HashMap<StringName, Usage>> *> &E : warnings_check_map2) {
@@ -9509,14 +9630,21 @@ uint32_t ShaderLanguage::get_warning_flags() const {
Error ShaderLanguage::compile(const String &p_code, const ShaderCompileInfo &p_info) {
clear();
- code = p_code;
+ Error err = _preprocess_shader(p_code, code);
+ if (err != OK) {
+ return err;
+ }
+
+ // Clear after preprocessing. Because preprocess uses the resource loader, it means if this instance is held in a singleton, it can have a changed state after.
+ clear();
+
global_var_get_type_func = p_info.global_variable_type_func;
varying_function_names = p_info.varying_function_names;
nodes = nullptr;
shader = alloc_node<ShaderNode>();
- Error err = _parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types);
+ err = _parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types, p_info.is_include);
#ifdef DEBUG_ENABLED
if (check_warnings) {
@@ -9533,14 +9661,51 @@ Error ShaderLanguage::compile(const String &p_code, const ShaderCompileInfo &p_i
Error ShaderLanguage::complete(const String &p_code, const ShaderCompileInfo &p_info, List<ScriptLanguage::CodeCompletionOption> *r_options, String &r_call_hint) {
clear();
- code = p_code;
+ int preprocessor_completion_type;
+ Error error = _preprocess_shader(p_code, code, &preprocessor_completion_type);
+
+ switch (preprocessor_completion_type) {
+ case ShaderPreprocessor::COMPLETION_TYPE_DIRECTIVE: {
+ static List<String> options;
+
+ if (options.is_empty()) {
+ ShaderPreprocessor::get_keyword_list(&options, true);
+ }
+
+ for (const String &E : options) {
+ ScriptLanguage::CodeCompletionOption option(E, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
+ r_options->push_back(option);
+ }
+
+ return OK;
+ } break;
+ case ShaderPreprocessor::COMPLETION_TYPE_PRAGMA: {
+ static List<String> options;
+
+ if (options.is_empty()) {
+ ShaderPreprocessor::get_pragma_list(&options);
+ }
+
+ for (const String &E : options) {
+ ScriptLanguage::CodeCompletionOption option(E, ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT);
+ r_options->push_back(option);
+ }
+
+ return OK;
+ } break;
+ }
+
+ if (error != OK) {
+ return error;
+ }
+
varying_function_names = p_info.varying_function_names;
nodes = nullptr;
global_var_get_type_func = p_info.global_variable_type_func;
shader = alloc_node<ShaderNode>();
- _parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types);
+ _parse_shader(p_info.functions, p_info.render_modes, p_info.shader_types, p_info.is_include);
#ifdef DEBUG_ENABLED
// Adds context keywords.
diff --git a/servers/rendering/shader_language.h b/servers/rendering/shader_language.h
index 2b147fbeb1..59d679fd98 100644
--- a/servers/rendering/shader_language.h
+++ b/servers/rendering/shader_language.h
@@ -38,6 +38,7 @@
#include "core/templates/rb_map.h"
#include "core/typedefs.h"
#include "core/variant/variant.h"
+#include "scene/resources/shader_include.h"
#ifdef DEBUG_ENABLED
#include "shader_warnings.h"
@@ -776,6 +777,7 @@ public:
static uint32_t get_datatype_size(DataType p_type);
static void get_keyword_list(List<String> *r_keywords);
+ static void get_preprocessor_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords);
static bool is_control_flow_keyword(String p_keyword);
static void get_builtin_funcs(List<String> *r_keywords);
@@ -1070,7 +1072,8 @@ private:
String _get_shader_type_list(const HashSet<String> &p_shader_types) const;
String _get_qualifier_str(ArgumentQualifier p_qualifier) const;
- Error _parse_shader(const HashMap<StringName, FunctionInfo> &p_functions, const Vector<ModeInfo> &p_render_modes, const HashSet<String> &p_shader_types);
+ Error _preprocess_shader(const String &p_code, String &r_result, int *r_completion_type = nullptr);
+ Error _parse_shader(const HashMap<StringName, FunctionInfo> &p_functions, const Vector<ModeInfo> &p_render_modes, const HashSet<String> &p_shader_types, bool p_is_include);
Error _find_last_flow_op_in_block(BlockNode *p_block, FlowOperation p_op);
Error _find_last_flow_op_in_op(ControlFlowNode *p_flow, FlowOperation p_op);
@@ -1091,6 +1094,8 @@ public:
void clear();
static String get_shader_type(const String &p_code);
+ static void get_shader_dependencies(const String &p_code, HashSet<Ref<ShaderInclude>> *r_dependencies);
+ static String get_shader_type_and_dependencies(const String &p_code, HashSet<Ref<ShaderInclude>> *r_dependencies);
struct ShaderCompileInfo {
HashMap<StringName, FunctionInfo> functions;
@@ -1098,6 +1103,7 @@ public:
VaryingFunctionNames varying_function_names = VaryingFunctionNames();
HashSet<String> shader_types;
GlobalVariableGetTypeFunc global_variable_type_func = nullptr;
+ bool is_include = false;
};
Error compile(const String &p_code, const ShaderCompileInfo &p_info);
diff --git a/servers/rendering/shader_preprocessor.cpp b/servers/rendering/shader_preprocessor.cpp
new file mode 100644
index 0000000000..3890c63e9f
--- /dev/null
+++ b/servers/rendering/shader_preprocessor.cpp
@@ -0,0 +1,1027 @@
+/*************************************************************************/
+/* shader_preprocessor.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* 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 "shader_preprocessor.h"
+#include "core/math/expression.h"
+
+const char32_t CURSOR = 0xFFFF;
+
+// Tokenizer
+
+void ShaderPreprocessor::Tokenizer::add_generated(const ShaderPreprocessor::Token &p_t) {
+ generated.push_back(p_t);
+}
+
+char32_t ShaderPreprocessor::Tokenizer::next() {
+ if (index < size) {
+ return code[index++];
+ }
+ return 0;
+}
+
+int ShaderPreprocessor::Tokenizer::get_line() const {
+ return line;
+}
+
+int ShaderPreprocessor::Tokenizer::get_index() const {
+ return index;
+}
+
+void ShaderPreprocessor::Tokenizer::get_and_clear_generated(Vector<ShaderPreprocessor::Token> *r_out) {
+ for (int i = 0; i < generated.size(); i++) {
+ r_out->push_back(generated[i]);
+ }
+ generated.clear();
+}
+
+void ShaderPreprocessor::Tokenizer::backtrack(char32_t p_what) {
+ while (index >= 0) {
+ char32_t c = code[index];
+ if (c == p_what) {
+ break;
+ }
+ index--;
+ }
+}
+
+char32_t ShaderPreprocessor::Tokenizer::peek() {
+ if (index < size) {
+ return code[index];
+ }
+ return 0;
+}
+
+LocalVector<ShaderPreprocessor::Token> ShaderPreprocessor::Tokenizer::advance(char32_t p_what) {
+ LocalVector<ShaderPreprocessor::Token> tokens;
+
+ while (index < size) {
+ char32_t c = code[index++];
+
+ tokens.push_back(ShaderPreprocessor::Token(c, line));
+
+ if (c == '\n') {
+ add_generated(ShaderPreprocessor::Token('\n', line));
+ line++;
+ }
+
+ if (c == p_what || c == 0) {
+ return tokens;
+ }
+ }
+ return LocalVector<ShaderPreprocessor::Token>();
+}
+
+void ShaderPreprocessor::Tokenizer::skip_whitespace() {
+ while (is_char_space(peek())) {
+ next();
+ }
+}
+
+String ShaderPreprocessor::Tokenizer::get_identifier(bool *r_is_cursor, bool p_started) {
+ if (r_is_cursor != nullptr) {
+ *r_is_cursor = false;
+ }
+
+ LocalVector<char32_t> text;
+
+ while (true) {
+ char32_t c = peek();
+ if (is_char_end(c) || c == '(' || c == ')' || c == ',' || c == ';') {
+ break;
+ }
+
+ if (is_whitespace(c) && p_started) {
+ break;
+ }
+ if (!is_whitespace(c)) {
+ p_started = true;
+ }
+
+ char32_t n = next();
+ if (n == CURSOR) {
+ if (r_is_cursor != nullptr) {
+ *r_is_cursor = true;
+ }
+ } else {
+ if (p_started) {
+ text.push_back(n);
+ }
+ }
+ }
+
+ String id = vector_to_string(text);
+ if (!id.is_valid_identifier()) {
+ return "";
+ }
+
+ return id;
+}
+
+String ShaderPreprocessor::Tokenizer::peek_identifier() {
+ const int original = index;
+ String id = get_identifier();
+ index = original;
+ return id;
+}
+
+ShaderPreprocessor::Token ShaderPreprocessor::Tokenizer::get_token() {
+ while (index < size) {
+ const char32_t c = code[index++];
+ const Token t = ShaderPreprocessor::Token(c, line);
+
+ switch (c) {
+ case ' ':
+ case '\t':
+ skip_whitespace();
+ return ShaderPreprocessor::Token(' ', line);
+ case '\n':
+ line++;
+ return t;
+ default:
+ return t;
+ }
+ }
+ return ShaderPreprocessor::Token(char32_t(0), line);
+}
+
+ShaderPreprocessor::Tokenizer::Tokenizer(const String &p_code) {
+ code = p_code;
+ line = 0;
+ index = 0;
+ size = code.size();
+}
+
+// ShaderPreprocessor::CommentRemover
+
+String ShaderPreprocessor::CommentRemover::get_error() const {
+ if (comments_open != 0) {
+ return "Block comment mismatch";
+ }
+ return "";
+}
+
+int ShaderPreprocessor::CommentRemover::get_error_line() const {
+ if (comments_open != 0) {
+ return comment_line_open;
+ }
+ return -1;
+}
+
+char32_t ShaderPreprocessor::CommentRemover::peek() const {
+ if (index < code.size()) {
+ return code[index];
+ }
+ return 0;
+}
+
+bool ShaderPreprocessor::CommentRemover::advance(char32_t p_what) {
+ while (index < code.size()) {
+ char32_t c = code[index++];
+
+ if (c == '\n') {
+ line++;
+ stripped.push_back('\n');
+ }
+
+ if (c == p_what) {
+ return true;
+ }
+ }
+ return false;
+}
+
+String ShaderPreprocessor::CommentRemover::strip() {
+ stripped.clear();
+ index = 0;
+ line = 0;
+ comment_line_open = 0;
+ comments_open = 0;
+ strings_open = 0;
+
+ while (index < code.size()) {
+ char32_t c = code[index++];
+
+ if (c == CURSOR) {
+ // Cursor. Maintain.
+ stripped.push_back(c);
+ } else if (c == '"') {
+ if (strings_open <= 0) {
+ strings_open++;
+ } else {
+ strings_open--;
+ }
+ stripped.push_back(c);
+ } else if (c == '/' && strings_open == 0) {
+ char32_t p = peek();
+ if (p == '/') { // Single line comment.
+ advance('\n');
+ } else if (p == '*') { // Start of a block comment.
+ index++;
+ comment_line_open = line;
+ comments_open++;
+ while (advance('*')) {
+ if (peek() == '/') { // End of a block comment.
+ comments_open--;
+ index++;
+ break;
+ }
+ }
+ } else {
+ stripped.push_back(c);
+ }
+ } else if (c == '*' && strings_open == 0) {
+ if (peek() == '/') { // Unmatched end of a block comment.
+ comment_line_open = line;
+ comments_open--;
+ } else {
+ stripped.push_back(c);
+ }
+ } else if (c == '\n') {
+ line++;
+ stripped.push_back(c);
+ } else {
+ stripped.push_back(c);
+ }
+ }
+ return vector_to_string(stripped);
+}
+
+ShaderPreprocessor::CommentRemover::CommentRemover(const String &p_code) {
+ code = p_code;
+ index = 0;
+ line = 0;
+ comment_line_open = 0;
+ comments_open = 0;
+ strings_open = 0;
+}
+
+// ShaderPreprocessor::Token
+
+ShaderPreprocessor::Token::Token() {
+ text = 0;
+ line = -1;
+}
+
+ShaderPreprocessor::Token::Token(char32_t p_text, int p_line) {
+ text = p_text;
+ line = p_line;
+}
+
+// ShaderPreprocessor
+
+bool ShaderPreprocessor::is_char_word(char32_t p_char) {
+ if ((p_char >= '0' && p_char <= '9') ||
+ (p_char >= 'a' && p_char <= 'z') ||
+ (p_char >= 'A' && p_char <= 'Z') ||
+ p_char == '_') {
+ return true;
+ }
+
+ return false;
+}
+
+bool ShaderPreprocessor::is_char_space(char32_t p_char) {
+ return p_char == ' ' || p_char == '\t';
+}
+
+bool ShaderPreprocessor::is_char_end(char32_t p_char) {
+ return p_char == '\n' || p_char == 0;
+}
+
+String ShaderPreprocessor::vector_to_string(const LocalVector<char32_t> &p_v, int p_start, int p_end) {
+ const int stop = (p_end == -1) ? p_v.size() : p_end;
+ const int count = stop - p_start;
+
+ String result;
+ result.resize(count + 1);
+ for (int i = 0; i < count; i++) {
+ result[i] = p_v[p_start + i];
+ }
+ result[count] = 0; // Ensure string is null terminated for length() to work.
+ return result;
+}
+
+String ShaderPreprocessor::tokens_to_string(const LocalVector<Token> &p_tokens) {
+ LocalVector<char32_t> result;
+ for (uint32_t i = 0; i < p_tokens.size(); i++) {
+ result.push_back(p_tokens[i].text);
+ }
+ return vector_to_string(result);
+}
+
+void ShaderPreprocessor::process_directive(Tokenizer *p_tokenizer) {
+ bool is_cursor;
+ String directive = p_tokenizer->get_identifier(&is_cursor, true);
+ if (is_cursor) {
+ state->completion_type = COMPLETION_TYPE_DIRECTIVE;
+ }
+
+ if (directive == "if") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_if(p_tokenizer);
+ }
+ } else if (directive == "ifdef") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_ifdef(p_tokenizer);
+ }
+ } else if (directive == "ifndef") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_ifndef(p_tokenizer);
+ }
+ } else if (directive == "else") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_else(p_tokenizer);
+ }
+ } else if (directive == "endif") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_endif(p_tokenizer);
+ }
+ } else if (directive == "define") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_define(p_tokenizer);
+ }
+ } else if (directive == "undef") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_undef(p_tokenizer);
+ }
+ } else if (directive == "include") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_include(p_tokenizer);
+ }
+ } else if (directive == "pragma") {
+ if (check_directive_before_type(p_tokenizer, directive)) {
+ process_pragma(p_tokenizer);
+ }
+ } else {
+ set_error(RTR("Unknown directive."), p_tokenizer->get_line());
+ }
+}
+
+void ShaderPreprocessor::process_define(Tokenizer *p_tokenizer) {
+ const int line = p_tokenizer->get_line();
+
+ String label = p_tokenizer->get_identifier();
+ if (label.is_empty()) {
+ set_error(RTR("Invalid macro name."), line);
+ return;
+ }
+
+ if (state->defines.has(label)) {
+ set_error(RTR("Macro redefinition."), line);
+ return;
+ }
+
+ if (p_tokenizer->peek() == '(') {
+ // Macro has arguments.
+ p_tokenizer->get_token();
+
+ Vector<String> args;
+ while (true) {
+ String name = p_tokenizer->get_identifier();
+ if (name.is_empty()) {
+ set_error(RTR("Invalid argument name."), line);
+ return;
+ }
+ args.push_back(name);
+
+ p_tokenizer->skip_whitespace();
+ char32_t next = p_tokenizer->get_token().text;
+ if (next == ')') {
+ break;
+ } else if (next != ',') {
+ set_error(RTR("Expected a comma in the macro argument list."), line);
+ return;
+ }
+ }
+
+ Define *define = memnew(Define);
+ define->arguments = args;
+ define->body = tokens_to_string(p_tokenizer->advance('\n')).strip_edges();
+ state->defines[label] = define;
+ } else {
+ // Simple substitution macro.
+ Define *define = memnew(Define);
+ define->body = tokens_to_string(p_tokenizer->advance('\n')).strip_edges();
+ state->defines[label] = define;
+ }
+}
+
+void ShaderPreprocessor::process_else(Tokenizer *p_tokenizer) {
+ if (state->skip_stack_else.is_empty()) {
+ set_error(RTR("Unmatched else."), p_tokenizer->get_line());
+ return;
+ }
+ p_tokenizer->advance('\n');
+
+ bool skip = state->skip_stack_else[state->skip_stack_else.size() - 1];
+ state->skip_stack_else.remove_at(state->skip_stack_else.size() - 1);
+
+ Vector<SkippedCondition *> vec = state->skipped_conditions[state->current_include];
+ int index = vec.size() - 1;
+ if (index >= 0) {
+ SkippedCondition *cond = vec[index];
+ if (cond->end_line == -1) {
+ cond->end_line = p_tokenizer->get_line();
+ }
+ }
+
+ if (skip) {
+ Vector<String> ends;
+ ends.push_back("endif");
+ next_directive(p_tokenizer, ends);
+ }
+}
+
+void ShaderPreprocessor::process_endif(Tokenizer *p_tokenizer) {
+ state->condition_depth--;
+ if (state->condition_depth < 0) {
+ set_error(RTR("Unmatched endif."), p_tokenizer->get_line());
+ return;
+ }
+
+ Vector<SkippedCondition *> vec = state->skipped_conditions[state->current_include];
+ int index = vec.size() - 1;
+ if (index >= 0) {
+ SkippedCondition *cond = vec[index];
+ if (cond->end_line == -1) {
+ cond->end_line = p_tokenizer->get_line();
+ }
+ }
+
+ p_tokenizer->advance('\n');
+}
+
+void ShaderPreprocessor::process_if(Tokenizer *p_tokenizer) {
+ int line = p_tokenizer->get_line();
+
+ String body = tokens_to_string(p_tokenizer->advance('\n')).strip_edges();
+ if (body.is_empty()) {
+ set_error(RTR("Missing condition."), line);
+ return;
+ }
+
+ Error error = expand_macros(body, line, body);
+ if (error != OK) {
+ return;
+ }
+
+ Expression expression;
+ Vector<String> names;
+ error = expression.parse(body, names);
+ if (error != OK) {
+ set_error(expression.get_error_text(), line);
+ return;
+ }
+
+ Variant v = expression.execute(Array(), nullptr, false);
+ if (v.get_type() == Variant::NIL) {
+ set_error(RTR("Condition evaluation error."), line);
+ return;
+ }
+
+ bool success = v.booleanize();
+ start_branch_condition(p_tokenizer, success);
+}
+
+void ShaderPreprocessor::process_ifdef(Tokenizer *p_tokenizer) {
+ const int line = p_tokenizer->get_line();
+
+ String label = p_tokenizer->get_identifier();
+ if (label.is_empty()) {
+ set_error(RTR("Invalid macro name."), line);
+ return;
+ }
+
+ p_tokenizer->skip_whitespace();
+ if (!is_char_end(p_tokenizer->peek())) {
+ set_error(RTR("Invalid ifdef."), line);
+ return;
+ }
+ p_tokenizer->advance('\n');
+
+ bool success = state->defines.has(label);
+ start_branch_condition(p_tokenizer, success);
+}
+
+void ShaderPreprocessor::process_ifndef(Tokenizer *p_tokenizer) {
+ const int line = p_tokenizer->get_line();
+
+ String label = p_tokenizer->get_identifier();
+ if (label.is_empty()) {
+ set_error(RTR("Invalid macro name."), line);
+ return;
+ }
+
+ p_tokenizer->skip_whitespace();
+ if (!is_char_end(p_tokenizer->peek())) {
+ set_error(RTR("Invalid ifndef."), line);
+ return;
+ }
+ p_tokenizer->advance('\n');
+
+ bool success = !state->defines.has(label);
+ start_branch_condition(p_tokenizer, success);
+}
+
+void ShaderPreprocessor::process_include(Tokenizer *p_tokenizer) {
+ const int line = p_tokenizer->get_line();
+
+ p_tokenizer->advance('"');
+ String path = tokens_to_string(p_tokenizer->advance('"'));
+ path = path.substr(0, path.length() - 1);
+ p_tokenizer->skip_whitespace();
+
+ if (path.is_empty() || !is_char_end(p_tokenizer->peek())) {
+ set_error(RTR("Invalid path."), line);
+ return;
+ }
+
+ Ref<Resource> res = ResourceLoader::load(path);
+ if (res.is_null()) {
+ set_error(RTR("Shader include load failed. Does the shader include exist? Is there a cyclic dependency?"), line);
+ return;
+ }
+
+ Ref<ShaderInclude> shader_inc = Object::cast_to<ShaderInclude>(*res);
+ if (shader_inc.is_null()) {
+ set_error(RTR("Shader include resource type is wrong."), line);
+ return;
+ }
+
+ String included = shader_inc->get_code();
+ if (!included.is_empty()) {
+ uint64_t code_hash = included.hash64();
+ if (state->cyclic_include_hashes.find(code_hash)) {
+ set_error(RTR("Cyclic include found."), line);
+ return;
+ }
+ }
+
+ const String real_path = shader_inc->get_path();
+ if (state->includes.has(real_path)) {
+ // Already included, skip.
+ // This is a valid check because 2 separate include paths could use some
+ // of the same shared functions from a common shader include.
+ return;
+ }
+
+ // Mark as included.
+ state->includes.insert(real_path);
+
+ state->include_depth++;
+ if (state->include_depth > 25) {
+ set_error(RTR("Shader max include depth exceeded."), line);
+ return;
+ }
+
+ String old_include = state->current_include;
+ state->current_include = real_path;
+ ShaderPreprocessor processor(included);
+
+ int prev_condition_depth = state->condition_depth;
+ state->condition_depth = 0;
+
+ String result;
+ processor.preprocess(state, result);
+ add_to_output(result);
+
+ // Reset to last include if there are no errors. We want to use this as context.
+ if (state->error.is_empty()) {
+ state->current_include = old_include;
+ } else {
+ return;
+ }
+
+ state->include_depth--;
+ state->condition_depth = prev_condition_depth;
+}
+
+void ShaderPreprocessor::process_pragma(Tokenizer *p_tokenizer) {
+ const int line = p_tokenizer->get_line();
+
+ bool is_cursor;
+ const String label = p_tokenizer->get_identifier(&is_cursor);
+ if (is_cursor) {
+ state->completion_type = COMPLETION_TYPE_PRAGMA;
+ }
+
+ if (label.is_empty()) {
+ set_error(RTR("Invalid pragma directive."), line);
+ return;
+ }
+
+ // Rxplicitly handle pragma values here.
+ // If more pragma options are created, then refactor into a more defined structure.
+ if (label == "disable_preprocessor") {
+ state->disabled = true;
+ } else {
+ set_error(RTR("Invalid pragma directive."), line);
+ return;
+ }
+
+ p_tokenizer->advance('\n');
+}
+
+void ShaderPreprocessor::process_undef(Tokenizer *p_tokenizer) {
+ const int line = p_tokenizer->get_line();
+ const String label = p_tokenizer->get_identifier();
+ if (label.is_empty() || !state->defines.has(label)) {
+ set_error(RTR("Invalid name."), line);
+ return;
+ }
+
+ p_tokenizer->skip_whitespace();
+ if (!is_char_end(p_tokenizer->peek())) {
+ set_error(RTR("Invalid undef."), line);
+ return;
+ }
+
+ memdelete(state->defines[label]);
+ state->defines.erase(label);
+}
+
+void ShaderPreprocessor::start_branch_condition(Tokenizer *p_tokenizer, bool p_success) {
+ state->condition_depth++;
+
+ if (p_success) {
+ state->skip_stack_else.push_back(true);
+ } else {
+ SkippedCondition *cond = memnew(SkippedCondition());
+ cond->start_line = p_tokenizer->get_line();
+ state->skipped_conditions[state->current_include].push_back(cond);
+
+ Vector<String> ends;
+ ends.push_back("else");
+ ends.push_back("endif");
+ if (next_directive(p_tokenizer, ends) == "else") {
+ state->skip_stack_else.push_back(false);
+ } else {
+ state->skip_stack_else.push_back(true);
+ }
+ }
+}
+
+void ShaderPreprocessor::expand_output_macros(int p_start, int p_line_number) {
+ String line = vector_to_string(output, p_start, output.size());
+
+ Error error = expand_macros(line, p_line_number - 1, line); // We are already on next line, so -1.
+ if (error != OK) {
+ return;
+ }
+
+ output.resize(p_start);
+
+ add_to_output(line);
+}
+
+Error ShaderPreprocessor::expand_macros(const String &p_string, int p_line, String &r_expanded) {
+ Vector<Pair<String, Define *>> active_defines;
+ active_defines.resize(state->defines.size());
+ int index = 0;
+ for (const RBMap<String, Define *>::Element *E = state->defines.front(); E; E = E->next()) {
+ active_defines.set(index++, Pair<String, Define *>(E->key(), E->get()));
+ }
+
+ return expand_macros(p_string, p_line, active_defines, r_expanded);
+}
+
+Error ShaderPreprocessor::expand_macros(const String &p_string, int p_line, Vector<Pair<String, Define *>> p_defines, String &r_expanded) {
+ r_expanded = p_string;
+ // When expanding macros we must only evaluate them once.
+ // Later we continue expanding but with the already
+ // evaluated macros removed.
+ for (int i = 0; i < p_defines.size(); i++) {
+ Pair<String, Define *> define_pair = p_defines[i];
+
+ Error error = expand_macros_once(r_expanded, p_line, define_pair, r_expanded);
+ if (error != OK) {
+ return error;
+ }
+
+ // Remove expanded macro and recursively replace remaining.
+ p_defines.remove_at(i);
+ return expand_macros(r_expanded, p_line, p_defines, r_expanded);
+ }
+
+ return OK;
+}
+
+Error ShaderPreprocessor::expand_macros_once(const String &p_line, int p_line_number, Pair<String, Define *> p_define_pair, String &r_expanded) {
+ String result = p_line;
+
+ const String &key = p_define_pair.first;
+ const Define *define = p_define_pair.second;
+
+ int index_start = 0;
+ int index = 0;
+ while (find_match(result, key, index, index_start)) {
+ String body = define->body;
+ if (define->arguments.size() > 0) {
+ // Complex macro with arguments.
+ int args_start = index + key.length();
+ int args_end = p_line.find(")", args_start);
+ if (args_start == -1 || args_end == -1) {
+ set_error(RTR("Missing macro argument parenthesis."), p_line_number);
+ return FAILED;
+ }
+
+ String values = result.substr(args_start + 1, args_end - (args_start + 1));
+ Vector<String> args = values.split(",");
+ if (args.size() != define->arguments.size()) {
+ set_error(RTR("Invalid macro argument count."), p_line_number);
+ return FAILED;
+ }
+
+ // Insert macro arguments into the body.
+ for (int i = 0; i < args.size(); i++) {
+ String arg_name = define->arguments[i];
+ int arg_index_start = 0;
+ int arg_index = 0;
+ while (find_match(body, arg_name, arg_index, arg_index_start)) {
+ body = body.substr(0, arg_index) + args[i] + body.substr(arg_index + arg_name.length(), body.length() - (arg_index + arg_name.length()));
+ // Manually reset arg_index_start to where the arg value of the define finishes.
+ // This ensures we don't skip the other args of this macro in the string.
+ arg_index_start = arg_index + args[i].length() + 1;
+ }
+ }
+
+ result = result.substr(0, index) + " " + body + " " + result.substr(args_end + 1, result.length());
+ } else {
+ result = result.substr(0, index) + body + result.substr(index + key.length(), result.length() - (index + key.length()));
+ // Manually reset index_start to where the body value of the define finishes.
+ // This ensures we don't skip another instance of this macro in the string.
+ index_start = index + body.length() + 1;
+ break;
+ }
+ }
+ r_expanded = result;
+ return OK;
+}
+
+bool ShaderPreprocessor::find_match(const String &p_string, const String &p_value, int &r_index, int &r_index_start) {
+ // Looks for value in string and then determines if the boundaries
+ // are non-word characters. This method semi-emulates \b in regex.
+ r_index = p_string.find(p_value, r_index_start);
+ while (r_index > -1) {
+ if (r_index > 0) {
+ if (is_char_word(p_string[r_index - 1])) {
+ r_index_start = r_index + 1;
+ r_index = p_string.find(p_value, r_index_start);
+ continue;
+ }
+ }
+
+ if (r_index + p_value.length() < p_string.length()) {
+ if (is_char_word(p_string[r_index + p_value.length()])) {
+ r_index_start = r_index + p_value.length() + 1;
+ r_index = p_string.find(p_value, r_index_start);
+ continue;
+ }
+ }
+
+ // Return and shift index start automatically for next call.
+ r_index_start = r_index + p_value.length() + 1;
+ return true;
+ }
+
+ return false;
+}
+
+String ShaderPreprocessor::next_directive(Tokenizer *p_tokenizer, const Vector<String> &p_directives) {
+ const int line = p_tokenizer->get_line();
+ int nesting = 0;
+
+ while (true) {
+ p_tokenizer->advance('#');
+
+ String id = p_tokenizer->peek_identifier();
+ if (id.is_empty()) {
+ break;
+ }
+
+ if (nesting == 0) {
+ for (int i = 0; i < p_directives.size(); i++) {
+ if (p_directives[i] == id) {
+ p_tokenizer->backtrack('#');
+ return id;
+ }
+ }
+ }
+
+ if (id == "ifdef" || id == "ifndef" || id == "if") {
+ nesting++;
+ } else if (id == "endif") {
+ nesting--;
+ }
+ }
+
+ set_error(RTR("Can't find matching branch directive."), line);
+ return "";
+}
+
+void ShaderPreprocessor::add_to_output(const String &p_str) {
+ for (int i = 0; i < p_str.length(); i++) {
+ output.push_back(p_str[i]);
+ }
+}
+
+void ShaderPreprocessor::set_error(const String &p_error, int p_line) {
+ if (state->error.is_empty()) {
+ state->error = p_error;
+ state->error_line = p_line + 1;
+ }
+}
+
+bool ShaderPreprocessor::check_directive_before_type(Tokenizer *p_tokenizer, const String &p_directive) {
+ if (p_tokenizer->get_index() < state->shader_type_pos) {
+ set_error(vformat(RTR("`#%s` may not be defined before `shader_type`."), p_directive), p_tokenizer->get_line());
+ return false;
+ }
+ return true;
+}
+
+ShaderPreprocessor::State *ShaderPreprocessor::create_state() {
+ State *new_state = memnew(State);
+
+ String platform = OS::get_singleton()->get_name().replace(" ", "_").to_upper();
+ new_state->defines[platform] = create_define("true");
+
+ Engine *engine = Engine::get_singleton();
+ new_state->defines["EDITOR"] = create_define(engine->is_editor_hint() ? "true" : "false");
+
+ return new_state;
+}
+
+ShaderPreprocessor::Define *ShaderPreprocessor::create_define(const String &p_body) {
+ ShaderPreprocessor::Define *define = memnew(Define);
+ define->body = p_body;
+ return define;
+}
+
+void ShaderPreprocessor::clear() {
+ if (state_owner && state != nullptr) {
+ for (const RBMap<String, Define *>::Element *E = state->defines.front(); E; E = E->next()) {
+ memdelete(E->get());
+ }
+
+ for (const RBMap<String, Vector<SkippedCondition *>>::Element *E = state->skipped_conditions.front(); E; E = E->next()) {
+ for (SkippedCondition *condition : E->get()) {
+ memdelete(condition);
+ }
+ }
+
+ memdelete(state);
+ }
+ state_owner = false;
+ state = nullptr;
+}
+
+Error ShaderPreprocessor::preprocess(State *p_state, String &r_result) {
+ clear();
+
+ output.clear();
+
+ state = p_state;
+ if (state == nullptr) {
+ state = create_state();
+ state_owner = true;
+ }
+
+ CommentRemover remover(code);
+ String stripped = remover.strip();
+ String error = remover.get_error();
+ if (!error.is_empty()) {
+ set_error(error, remover.get_error_line());
+ return FAILED;
+ }
+
+ // Track code hashes to prevent cyclic include.
+ uint64_t code_hash = code.hash64();
+ state->cyclic_include_hashes.push_back(code_hash);
+
+ Tokenizer p_tokenizer(stripped);
+ int last_size = 0;
+ bool has_symbols_before_directive = false;
+
+ while (true) {
+ const Token &t = p_tokenizer.get_token();
+
+ if (t.text == 0) {
+ break;
+ }
+
+ if (state->disabled) {
+ // Preprocessor was disabled.
+ // Read the rest of the file into the output.
+ output.push_back(t.text);
+ continue;
+ } else {
+ // Add autogenerated tokens.
+ Vector<Token> generated;
+ p_tokenizer.get_and_clear_generated(&generated);
+ for (int i = 0; i < generated.size(); i++) {
+ output.push_back(generated[i].text);
+ }
+ }
+
+ if (t.text == '#') {
+ if (has_symbols_before_directive) {
+ set_error(RTR("Invalid symbols placed before directive."), p_tokenizer.get_line());
+ state->cyclic_include_hashes.erase(code_hash); // Remove this hash.
+ return FAILED;
+ }
+ process_directive(&p_tokenizer);
+ } else {
+ if (is_char_end(t.text)) {
+ expand_output_macros(last_size, p_tokenizer.get_line());
+ last_size = output.size();
+ has_symbols_before_directive = false;
+ } else if (!is_char_space(t.text)) {
+ has_symbols_before_directive = true;
+ }
+ output.push_back(t.text);
+ }
+
+ if (!state->error.is_empty()) {
+ state->cyclic_include_hashes.erase(code_hash); // Remove this hash.
+ return FAILED;
+ }
+ }
+ state->cyclic_include_hashes.erase(code_hash); // Remove this hash.
+
+ if (!state->disabled) {
+ if (state->condition_depth != 0) {
+ set_error(RTR("Unmatched conditional statement."), p_tokenizer.line);
+ return FAILED;
+ }
+
+ expand_output_macros(last_size, p_tokenizer.get_line());
+ }
+
+ r_result = vector_to_string(output);
+
+ return OK;
+}
+
+Error ShaderPreprocessor::preprocess(String &r_result) {
+ return preprocess(nullptr, r_result);
+}
+
+ShaderPreprocessor::State *ShaderPreprocessor::get_state() {
+ return state;
+}
+
+void ShaderPreprocessor::get_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords) {
+ r_keywords->push_back("define");
+ if (p_include_shader_keywords) {
+ r_keywords->push_back("else");
+ }
+ r_keywords->push_back("endif");
+ if (p_include_shader_keywords) {
+ r_keywords->push_back("if");
+ }
+ r_keywords->push_back("ifdef");
+ r_keywords->push_back("ifndef");
+ r_keywords->push_back("include");
+ r_keywords->push_back("pragma");
+ r_keywords->push_back("undef");
+}
+
+void ShaderPreprocessor::get_pragma_list(List<String> *r_pragmas) {
+ r_pragmas->push_back("disable_preprocessor");
+}
+
+ShaderPreprocessor::ShaderPreprocessor(const String &p_code) :
+ code(p_code) {
+}
+
+ShaderPreprocessor::~ShaderPreprocessor() {
+ clear();
+}
diff --git a/servers/rendering/shader_preprocessor.h b/servers/rendering/shader_preprocessor.h
new file mode 100644
index 0000000000..1cbab8e36f
--- /dev/null
+++ b/servers/rendering/shader_preprocessor.h
@@ -0,0 +1,196 @@
+/*************************************************************************/
+/* shader_preprocessor.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* 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. */
+/*************************************************************************/
+
+#ifndef SHADER_PREPROCESSOR_H
+#define SHADER_PREPROCESSOR_H
+
+#include "core/string/ustring.h"
+#include "core/templates/list.h"
+#include "core/templates/local_vector.h"
+#include "core/templates/rb_map.h"
+#include "core/templates/rb_set.h"
+#include "core/typedefs.h"
+
+#include "core/io/resource_loader.h"
+#include "core/os/os.h"
+#include "scene/resources/shader.h"
+#include "scene/resources/shader_include.h"
+
+class ShaderPreprocessor {
+private:
+ struct Token {
+ char32_t text;
+ int line;
+
+ Token();
+ Token(char32_t p_text, int p_line);
+ };
+
+ // The real preprocessor that understands basic shader and preprocessor language syntax.
+ class Tokenizer {
+ public:
+ String code;
+ int line;
+ int index;
+ int size;
+ Vector<Token> generated;
+
+ private:
+ void add_generated(const Token &p_t);
+ char32_t next();
+
+ public:
+ int get_line() const;
+ int get_index() const;
+ char32_t peek();
+
+ void get_and_clear_generated(Vector<Token> *r_out);
+ void backtrack(char32_t p_what);
+ LocalVector<Token> advance(char32_t p_what);
+ void skip_whitespace();
+ String get_identifier(bool *r_is_cursor = nullptr, bool p_started = false);
+ String peek_identifier();
+ Token get_token();
+
+ Tokenizer(const String &p_code);
+ };
+
+ class CommentRemover {
+ private:
+ LocalVector<char32_t> stripped;
+ String code;
+ int index;
+ int line;
+ int comment_line_open;
+ int comments_open;
+ int strings_open;
+
+ public:
+ String get_error() const;
+ int get_error_line() const;
+ char32_t peek() const;
+
+ bool advance(char32_t p_what);
+ String strip();
+
+ CommentRemover(const String &p_code);
+ };
+
+ struct Define {
+ Vector<String> arguments;
+ String body;
+ };
+
+ struct SkippedCondition {
+ int start_line = -1;
+ int end_line = -1;
+ };
+
+public:
+ enum CompletionType {
+ COMPLETION_TYPE_NONE,
+ COMPLETION_TYPE_DIRECTIVE,
+ COMPLETION_TYPE_PRAGMA_DIRECTIVE,
+ COMPLETION_TYPE_PRAGMA,
+ };
+
+ struct State {
+ RBMap<String, Define *> defines;
+ Vector<bool> skip_stack_else;
+ int condition_depth = 0;
+ RBSet<String> includes;
+ List<uint64_t> cyclic_include_hashes; // Holds code hash of includes.
+ int include_depth = 0;
+ String current_include;
+ String current_shader_type;
+ int shader_type_pos = -1;
+ String error;
+ int error_line = -1;
+ RBMap<String, Vector<SkippedCondition *>> skipped_conditions;
+ bool disabled = false;
+ CompletionType completion_type = COMPLETION_TYPE_NONE;
+ };
+
+private:
+ String code;
+ LocalVector<char32_t> output;
+ State *state = nullptr;
+ bool state_owner = false;
+
+private:
+ static bool is_char_word(char32_t p_char);
+ static bool is_char_space(char32_t p_char);
+ static bool is_char_end(char32_t p_char);
+ static String vector_to_string(const LocalVector<char32_t> &p_v, int p_start = 0, int p_end = -1);
+ static String tokens_to_string(const LocalVector<Token> &p_tokens);
+
+ void process_directive(Tokenizer *p_tokenizer);
+ void process_define(Tokenizer *p_tokenizer);
+ void process_else(Tokenizer *p_tokenizer);
+ void process_endif(Tokenizer *p_tokenizer);
+ void process_if(Tokenizer *p_tokenizer);
+ void process_ifdef(Tokenizer *p_tokenizer);
+ void process_ifndef(Tokenizer *p_tokenizer);
+ void process_include(Tokenizer *p_tokenizer);
+ void process_pragma(Tokenizer *p_tokenizer);
+ void process_undef(Tokenizer *p_tokenizer);
+
+ void start_branch_condition(Tokenizer *p_tokenizer, bool p_success);
+
+ void expand_output_macros(int p_start, int p_line);
+ Error expand_macros(const String &p_string, int p_line, String &r_result);
+ Error expand_macros(const String &p_string, int p_line, Vector<Pair<String, Define *>> p_defines, String &r_result);
+ Error expand_macros_once(const String &p_line, int p_line_number, Pair<String, Define *> p_define_pair, String &r_expanded);
+ bool find_match(const String &p_string, const String &p_value, int &r_index, int &r_index_start);
+
+ String next_directive(Tokenizer *p_tokenizer, const Vector<String> &p_directives);
+ void add_to_output(const String &p_str);
+ void set_error(const String &p_error, int p_line);
+ bool check_directive_before_type(Tokenizer *p_tokenizer, const String &p_directive);
+
+ static State *create_state();
+ static Define *create_define(const String &p_body);
+
+ void clear();
+
+public:
+ Error preprocess(State *p_state, String &r_result);
+ Error preprocess(String &r_result);
+
+ State *get_state();
+
+ static void get_keyword_list(List<String> *r_keywords, bool p_include_shader_keywords = false);
+ static void get_pragma_list(List<String> *r_pragmas);
+
+ ShaderPreprocessor(const String &p_code);
+ ~ShaderPreprocessor();
+};
+
+#endif // SHADER_PREPROCESSOR_H