Improve layered texture preview

editor/plugins/texture_3d_editor_plugin.cpp

@@ -30,8 +30,25 @@
 
 #include "texture_3d_editor_plugin.h"
 
+#include "editor/editor_string_names.h"
+#include "editor/themes/editor_scale.h"
 #include "scene/gui/label.h"
 
+// Shader sources.
+
+constexpr const char *texture_3d_shader = R"(
+	// Texture3DEditor preview shader.
+
+	shader_type canvas_item;
+
+	uniform sampler3D tex;
+	uniform float layer;
+
+	void fragment() {
+		COLOR = textureLod(tex, vec3(UV, layer), 0.0);
+	}
+)";
+
 void Texture3DEditor::_texture_rect_draw() {
 	texture_rect->draw_rect(Rect2(Point2(), texture_rect->get_size()), Color(1, 1, 1, 1));
 }
@@ -48,6 +65,13 @@ void Texture3DEditor::_notification(int p_what) {
 
 			draw_texture_rect(checkerboard, Rect2(Point2(), size), true);
 		} break;
+
+		case NOTIFICATION_THEME_CHANGED: {
+			if (info) {
+				Ref<Font> metadata_label_font = get_theme_font(SNAME("expression"), EditorStringName(EditorFonts));
+				info->add_theme_font_override(SceneStringName(font), metadata_label_font);
+			}
+		} break;
 	}
 }
 
@@ -55,35 +79,27 @@ void Texture3DEditor::_texture_changed() {
 	if (!is_visible()) {
 		return;
 	}
+
+	setting = true;
+	_update_gui();
+	setting = false;
+
+	_update_material(true);
 	queue_redraw();
 }
 
-void Texture3DEditor::_update_material() {
+void Texture3DEditor::_update_material(bool p_texture_changed) {
 	material->set_shader_parameter("layer", (layer->get_value() + 0.5) / texture->get_depth());
-	material->set_shader_parameter("tex", texture->get_rid());
-
-	String format = Image::get_format_name(texture->get_format());
-
-	String text;
-	text = itos(texture->get_width()) + "x" + itos(texture->get_height()) + "x" + itos(texture->get_depth()) + " " + format;
 
-	info->set_text(text);
+	if (p_texture_changed) {
+		material->set_shader_parameter("tex", texture->get_rid());
+	}
 }
 
 void Texture3DEditor::_make_shaders() {
 	shader.instantiate();
-	shader->set_code(R"(
-// Texture3DEditor preview shader.
-
-shader_type canvas_item;
-
-uniform sampler3D tex;
-uniform float layer;
+	shader->set_code(texture_3d_shader);
 
-void fragment() {
-	COLOR = textureLod(tex, vec3(UV, layer), 0.0);
-}
-)");
 	material.instantiate();
 	material->set_shader(shader);
 }
@@ -113,6 +129,41 @@ void Texture3DEditor::_texture_rect_update_area() {
 	texture_rect->set_size(Vector2(tex_width, tex_height));
 }
 
+void Texture3DEditor::_update_gui() {
+	if (texture.is_null()) {
+		return;
+	}
+
+	_texture_rect_update_area();
+
+	layer->set_max(texture->get_depth() - 1);
+
+	const String format = Image::get_format_name(texture->get_format());
+
+	if (texture->has_mipmaps()) {
+		const int mip_count = Image::get_image_required_mipmaps(texture->get_width(), texture->get_height(), texture->get_format());
+		const int memory = Image::get_image_data_size(texture->get_width(), texture->get_height(), texture->get_format(), true) * texture->get_depth();
+
+		info->set_text(vformat(String::utf8("%d×%d×%d %s\n") + TTR("%s Mipmaps") + "\n" + TTR("Memory: %s"),
+				texture->get_width(),
+				texture->get_height(),
+				texture->get_depth(),
+				format,
+				mip_count,
+				String::humanize_size(memory)));
+
+	} else {
+		const int memory = Image::get_image_data_size(texture->get_width(), texture->get_height(), texture->get_format(), false) * texture->get_depth();
+
+		info->set_text(vformat(String::utf8("%d×%d×%d %s\n") + TTR("No Mipmaps") + "\n" + TTR("Memory: %s"),
+				texture->get_width(),
+				texture->get_height(),
+				texture->get_depth(),
+				format,
+				String::humanize_size(memory)));
+	}
+}
+
 void Texture3DEditor::edit(Ref<Texture3D> p_texture) {
 	if (!texture.is_null()) {
 		texture->disconnect_changed(callable_mp(this, &Texture3DEditor::_texture_changed));
@@ -126,15 +177,17 @@ void Texture3DEditor::edit(Ref<Texture3D> p_texture) {
 		}
 
 		texture->connect_changed(callable_mp(this, &Texture3DEditor::_texture_changed));
-		queue_redraw();
 		texture_rect->set_material(material);
+
 		setting = true;
-		layer->set_max(texture->get_depth() - 1);
 		layer->set_value(0);
 		layer->show();
-		_update_material();
+		_update_gui();
 		setting = false;
-		_texture_rect_update_area();
+
+		_update_material(true);
+		queue_redraw();
+
 	} else {
 		hide();
 	}
@@ -142,36 +195,43 @@ void Texture3DEditor::edit(Ref<Texture3D> p_texture) {
 
 Texture3DEditor::Texture3DEditor() {
 	set_texture_repeat(TextureRepeat::TEXTURE_REPEAT_ENABLED);
-	set_custom_minimum_size(Size2(1, 150));
+	set_custom_minimum_size(Size2(1, 256.0) * EDSCALE);
 
 	texture_rect = memnew(Control);
 	texture_rect->set_mouse_filter(MOUSE_FILTER_IGNORE);
-	add_child(texture_rect);
 	texture_rect->connect(SceneStringName(draw), callable_mp(this, &Texture3DEditor::_texture_rect_draw));
 
+	add_child(texture_rect);
+
 	layer = memnew(SpinBox);
 	layer->set_step(1);
 	layer->set_max(100);
-	layer->set_h_grow_direction(GROW_DIRECTION_BEGIN);
+
 	layer->set_modulate(Color(1, 1, 1, 0.8));
-	add_child(layer);
+	layer->set_h_grow_direction(GROW_DIRECTION_BEGIN);
 	layer->set_anchor(SIDE_RIGHT, 1);
 	layer->set_anchor(SIDE_LEFT, 1);
 	layer->connect(SceneStringName(value_changed), callable_mp(this, &Texture3DEditor::_layer_changed));
 
+	add_child(layer);
+
 	info = memnew(Label);
+	info->add_theme_color_override(SceneStringName(font_color), Color(1, 1, 1));
+	info->add_theme_color_override("font_shadow_color", Color(0, 0, 0));
+	info->add_theme_font_size_override(SceneStringName(font_size), 14 * EDSCALE);
+	info->add_theme_color_override("font_outline_color", Color(0, 0, 0));
+	info->add_theme_constant_override("outline_size", 8 * EDSCALE);
+
 	info->set_h_grow_direction(GROW_DIRECTION_BEGIN);
 	info->set_v_grow_direction(GROW_DIRECTION_BEGIN);
-	info->add_theme_color_override(SceneStringName(font_color), Color(1, 1, 1, 1));
-	info->add_theme_color_override("font_shadow_color", Color(0, 0, 0, 0.5));
-	info->add_theme_constant_override("shadow_outline_size", 1);
-	info->add_theme_constant_override("shadow_offset_x", 2);
-	info->add_theme_constant_override("shadow_offset_y", 2);
-	add_child(info);
+	info->set_h_size_flags(Control::SIZE_SHRINK_END);
+	info->set_v_size_flags(Control::SIZE_SHRINK_END);
 	info->set_anchor(SIDE_RIGHT, 1);
 	info->set_anchor(SIDE_LEFT, 1);
 	info->set_anchor(SIDE_BOTTOM, 1);
 	info->set_anchor(SIDE_TOP, 1);
+
+	add_child(info);
 }
 
 Texture3DEditor::~Texture3DEditor() {
@@ -180,7 +240,6 @@ Texture3DEditor::~Texture3DEditor() {
 	}
 }
 
-//
 bool EditorInspectorPlugin3DTexture::can_handle(Object *p_object) {
 	return Object::cast_to<Texture3D>(p_object) != nullptr;
 }

editor/plugins/texture_3d_editor_plugin.h

@@ -52,23 +52,27 @@ class Texture3DEditor : public Control {
 	bool setting = false;
 
 	void _make_shaders();
-	void _update_material();
 
 	void _layer_changed(double) {
 		if (!setting) {
-			_update_material();
+			_update_material(false);
 		}
 	}
+
 	void _texture_changed();
 
 	void _texture_rect_update_area();
 	void _texture_rect_draw();
 
+	void _update_material(bool p_texture_changed);
+	void _update_gui();
+
 protected:
 	void _notification(int p_what);
 
 public:
 	void edit(Ref<Texture3D> p_texture);
+
 	Texture3DEditor();
 	~Texture3DEditor();
 };

editor/plugins/texture_editor_plugin.cpp

@@ -145,12 +145,13 @@ TexturePreview::TexturePreview(Ref<Texture2D> p_texture, bool p_show_metadata) {
 		p_texture->connect_changed(callable_mp(this, &TexturePreview::_update_metadata_label_text));
 
 		// It's okay that these colors are static since the grid color is static too.
-		metadata_label->add_theme_color_override(SceneStringName(font_color), Color::named("white"));
-		metadata_label->add_theme_color_override("font_shadow_color", Color::named("black"));
+		metadata_label->add_theme_color_override(SceneStringName(font_color), Color(1, 1, 1));
+		metadata_label->add_theme_color_override("font_shadow_color", Color(0, 0, 0));
 
 		metadata_label->add_theme_font_size_override(SceneStringName(font_size), 14 * EDSCALE);
-		metadata_label->add_theme_color_override("font_outline_color", Color::named("black"));
+		metadata_label->add_theme_color_override("font_outline_color", Color(0, 0, 0));
 		metadata_label->add_theme_constant_override("outline_size", 8 * EDSCALE);
+
 		metadata_label->set_h_size_flags(Control::SIZE_SHRINK_END);
 		metadata_label->set_v_size_flags(Control::SIZE_SHRINK_END);
 

editor/plugins/texture_layered_editor_plugin.cpp

@@ -30,16 +30,64 @@
 
 #include "texture_layered_editor_plugin.h"
 
+#include "editor/editor_string_names.h"
+#include "editor/themes/editor_scale.h"
 #include "scene/gui/label.h"
 
+// Shader sources.
+
+constexpr const char *array_2d_shader = R"(
+	// TextureLayeredEditor preview shader (2D array).
+
+	shader_type canvas_item;
+
+	uniform sampler2DArray tex;
+	uniform float layer;
+
+	void fragment() {
+		COLOR = textureLod(tex, vec3(UV, layer), 0.0);
+	}
+)";
+
+constexpr const char *cubemap_shader = R"(
+	// TextureLayeredEditor preview shader (cubemap).
+
+	shader_type canvas_item;
+
+	uniform samplerCube tex;
+	uniform vec3 normal;
+	uniform mat3 rot;
+
+	void fragment() {
+		vec3 n = rot * normalize(vec3(normal.xy * (UV * 2.0 - 1.0), normal.z));
+		COLOR = textureLod(tex, n, 0.0);
+	}
+)";
+
+constexpr const char *cubemap_array_shader = R"(
+	// TextureLayeredEditor preview shader (cubemap array).
+
+	shader_type canvas_item;
+	uniform samplerCubeArray tex;
+	uniform vec3 normal;
+	uniform mat3 rot;
+	uniform float layer;
+
+	void fragment() {
+		vec3 n = rot * normalize(vec3(normal.xy * (UV * 2.0 - 1.0), normal.z));
+		COLOR = textureLod(tex, vec4(n, layer), 0.0);
+	}
+)";
+
 void TextureLayeredEditor::gui_input(const Ref<InputEvent> &p_event) {
 	ERR_FAIL_COND(p_event.is_null());
 
 	Ref<InputEventMouseMotion> mm = p_event;
 	if (mm.is_valid() && (mm->get_button_mask().has_flag(MouseButtonMask::LEFT))) {
 		y_rot += -mm->get_relative().x * 0.01;
-		x_rot += mm->get_relative().y * 0.01;
-		_update_material();
+		x_rot += -mm->get_relative().y * 0.01;
+
+		_update_material(false);
 	}
 }
 
@@ -47,6 +95,69 @@ void TextureLayeredEditor::_texture_rect_draw() {
 	texture_rect->draw_rect(Rect2(Point2(), texture_rect->get_size()), Color(1, 1, 1, 1));
 }
 
+void TextureLayeredEditor::_update_gui() {
+	if (texture.is_null()) {
+		return;
+	}
+
+	_texture_rect_update_area();
+
+	const String format = Image::get_format_name(texture->get_format());
+	String texture_info;
+
+	switch (texture->get_layered_type()) {
+		case TextureLayered::LAYERED_TYPE_2D_ARRAY: {
+			layer->set_max(texture->get_layers() - 1);
+
+			texture_info = vformat(String::utf8("%d×%d (×%d) %s\n"),
+					texture->get_width(),
+					texture->get_height(),
+					texture->get_layers(),
+					format);
+
+		} break;
+		case TextureLayered::LAYERED_TYPE_CUBEMAP: {
+			layer->hide();
+
+			texture_info = vformat(String::utf8("%d×%d %s\n"),
+					texture->get_width(),
+					texture->get_height(),
+					format);
+
+		} break;
+		case TextureLayered::LAYERED_TYPE_CUBEMAP_ARRAY: {
+			layer->set_max(texture->get_layers() / 6 - 1);
+
+			texture_info = vformat(String::utf8("%d×%d (×%d) %s\n"),
+					texture->get_width(),
+					texture->get_height(),
+					texture->get_layers() / 6,
+					format);
+
+		} break;
+
+		default: {
+		}
+	}
+
+	if (texture->has_mipmaps()) {
+		const int mip_count = Image::get_image_required_mipmaps(texture->get_width(), texture->get_height(), texture->get_format());
+		const int memory = Image::get_image_data_size(texture->get_width(), texture->get_height(), texture->get_format(), true) * texture->get_layers();
+
+		texture_info += vformat(TTR("%s Mipmaps") + "\n" + TTR("Memory: %s"),
+				mip_count,
+				String::humanize_size(memory));
+
+	} else {
+		const int memory = Image::get_image_data_size(texture->get_width(), texture->get_height(), texture->get_format(), false) * texture->get_layers();
+
+		texture_info += vformat(TTR("No Mipmaps") + "\n" + TTR("Memory: %s"),
+				String::humanize_size(memory));
+	}
+
+	info->set_text(texture_info);
+}
+
 void TextureLayeredEditor::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_RESIZED: {
@@ -59,6 +170,13 @@ void TextureLayeredEditor::_notification(int p_what) {
 
 			draw_texture_rect(checkerboard, Rect2(Point2(), size), true);
 		} break;
+
+		case NOTIFICATION_THEME_CHANGED: {
+			if (info) {
+				Ref<Font> metadata_label_font = get_theme_font(SNAME("expression"), EditorStringName(EditorFonts));
+				info->add_theme_font_override(SceneStringName(font), metadata_label_font);
+			}
+		} break;
 	}
 }
 
@@ -66,13 +184,18 @@ void TextureLayeredEditor::_texture_changed() {
 	if (!is_visible()) {
 		return;
 	}
+
+	setting = true;
+	_update_gui();
+	setting = false;
+
+	_update_material(true);
 	queue_redraw();
 }
 
-void TextureLayeredEditor::_update_material() {
+void TextureLayeredEditor::_update_material(bool p_texture_changed) {
 	materials[0]->set_shader_parameter("layer", layer->get_value());
 	materials[2]->set_shader_parameter("layer", layer->get_value());
-	materials[texture->get_layered_type()]->set_shader_parameter("tex", texture->get_rid());
 
 	Vector3 v(1, 1, 1);
 	v.normalize();
@@ -86,67 +209,20 @@ void TextureLayeredEditor::_update_material() {
 	materials[2]->set_shader_parameter("normal", v);
 	materials[2]->set_shader_parameter("rot", b);
 
-	String format = Image::get_format_name(texture->get_format());
-
-	String text;
-	if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_2D_ARRAY) {
-		text = itos(texture->get_width()) + "x" + itos(texture->get_height()) + " (x " + itos(texture->get_layers()) + ")" + format;
-	} else if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_CUBEMAP) {
-		text = itos(texture->get_width()) + "x" + itos(texture->get_height()) + " " + format;
-	} else if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_CUBEMAP_ARRAY) {
-		text = itos(texture->get_width()) + "x" + itos(texture->get_height()) + " (x " + itos(texture->get_layers() / 6) + ")" + format;
+	if (p_texture_changed) {
+		materials[texture->get_layered_type()]->set_shader_parameter("tex", texture->get_rid());
 	}
-
-	info->set_text(text);
 }
 
 void TextureLayeredEditor::_make_shaders() {
 	shaders[0].instantiate();
-	shaders[0]->set_code(R"(
-// TextureLayeredEditor preview shader (2D array).
-
-shader_type canvas_item;
-
-uniform sampler2DArray tex;
-uniform float layer;
-
-void fragment() {
-	COLOR = textureLod(tex, vec3(UV, layer), 0.0);
-}
-)");
+	shaders[0]->set_code(array_2d_shader);
 
 	shaders[1].instantiate();
-	shaders[1]->set_code(R"(
-// TextureLayeredEditor preview shader (cubemap).
-
-shader_type canvas_item;
-
-uniform samplerCube tex;
-uniform vec3 normal;
-uniform mat3 rot;
-
-void fragment() {
-	vec3 n = rot * normalize(vec3(normal.xy * (UV * 2.0 - 1.0), normal.z));
-	COLOR = textureLod(tex, n, 0.0);
-}
-)");
+	shaders[1]->set_code(cubemap_shader);
 
 	shaders[2].instantiate();
-	shaders[2]->set_code(R"(
-// TextureLayeredEditor preview shader (cubemap array).
-
-shader_type canvas_item;
-
-uniform samplerCubeArray tex;
-uniform vec3 normal;
-uniform mat3 rot;
-uniform float layer;
-
-void fragment() {
-	vec3 n = rot * normalize(vec3(normal.xy * (UV * 2.0 - 1.0), normal.z));
-	COLOR = textureLod(tex, vec4(n, layer), 0.0);
-}
-)");
+	shaders[2]->set_code(cubemap_array_shader);
 
 	for (int i = 0; i < 3; i++) {
 		materials[i].instantiate();
@@ -192,25 +268,20 @@ void TextureLayeredEditor::edit(Ref<TextureLayered> p_texture) {
 		}
 
 		texture->connect_changed(callable_mp(this, &TextureLayeredEditor::_texture_changed));
-		queue_redraw();
 		texture_rect->set_material(materials[texture->get_layered_type()]);
+
 		setting = true;
-		if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_2D_ARRAY) {
-			layer->set_max(texture->get_layers() - 1);
-			layer->set_value(0);
-			layer->show();
-		} else if (texture->get_layered_type() == TextureLayered::LAYERED_TYPE_CUBEMAP_ARRAY) {
-			layer->set_max(texture->get_layers() / 6 - 1);
-			layer->set_value(0);
-			layer->show();
-		} else {
-			layer->hide();
-		}
+		layer->set_value(0);
+		layer->show();
+		_update_gui();
+		setting = false;
+
 		x_rot = 0;
 		y_rot = 0;
-		_update_material();
-		setting = false;
-		_texture_rect_update_area();
+
+		_update_material(true);
+		queue_redraw();
+
 	} else {
 		hide();
 	}
@@ -218,42 +289,48 @@ void TextureLayeredEditor::edit(Ref<TextureLayered> p_texture) {
 
 TextureLayeredEditor::TextureLayeredEditor() {
 	set_texture_repeat(TextureRepeat::TEXTURE_REPEAT_ENABLED);
-	set_custom_minimum_size(Size2(1, 150));
+	set_custom_minimum_size(Size2(0, 256.0) * EDSCALE);
 
 	texture_rect = memnew(Control);
 	texture_rect->set_mouse_filter(MOUSE_FILTER_IGNORE);
-	add_child(texture_rect);
 	texture_rect->connect(SceneStringName(draw), callable_mp(this, &TextureLayeredEditor::_texture_rect_draw));
 
+	add_child(texture_rect);
+
 	layer = memnew(SpinBox);
 	layer->set_step(1);
 	layer->set_max(100);
-	layer->set_h_grow_direction(GROW_DIRECTION_BEGIN);
+
 	layer->set_modulate(Color(1, 1, 1, 0.8));
-	add_child(layer);
+	layer->set_h_grow_direction(GROW_DIRECTION_BEGIN);
 	layer->set_anchor(SIDE_RIGHT, 1);
 	layer->set_anchor(SIDE_LEFT, 1);
 	layer->connect(SceneStringName(value_changed), callable_mp(this, &TextureLayeredEditor::_layer_changed));
 
+	add_child(layer);
+
 	info = memnew(Label);
+	info->add_theme_color_override(SceneStringName(font_color), Color(1, 1, 1));
+	info->add_theme_color_override("font_shadow_color", Color(0, 0, 0));
+	info->add_theme_font_size_override(SceneStringName(font_size), 14 * EDSCALE);
+	info->add_theme_color_override("font_outline_color", Color(0, 0, 0));
+	info->add_theme_constant_override("outline_size", 8 * EDSCALE);
+
 	info->set_h_grow_direction(GROW_DIRECTION_BEGIN);
 	info->set_v_grow_direction(GROW_DIRECTION_BEGIN);
-	info->add_theme_color_override(SceneStringName(font_color), Color(1, 1, 1, 1));
-	info->add_theme_color_override("font_shadow_color", Color(0, 0, 0, 0.5));
-	info->add_theme_constant_override("shadow_outline_size", 1);
-	info->add_theme_constant_override("shadow_offset_x", 2);
-	info->add_theme_constant_override("shadow_offset_y", 2);
-	add_child(info);
+	info->set_h_size_flags(Control::SIZE_SHRINK_END);
+	info->set_v_size_flags(Control::SIZE_SHRINK_END);
 	info->set_anchor(SIDE_RIGHT, 1);
 	info->set_anchor(SIDE_LEFT, 1);
 	info->set_anchor(SIDE_BOTTOM, 1);
 	info->set_anchor(SIDE_TOP, 1);
+
+	add_child(info);
 }
 
 TextureLayeredEditor::~TextureLayeredEditor() {
 }
 
-//
 bool EditorInspectorPluginLayeredTexture::can_handle(Object *p_object) {
 	return Object::cast_to<TextureLayered>(p_object) != nullptr;
 }

editor/plugins/texture_layered_editor_plugin.h

@@ -54,24 +54,28 @@ class TextureLayeredEditor : public Control {
 	bool setting = false;
 
 	void _make_shaders();
-	void _update_material();
+	void _update_material(bool p_texture_changed);
 
 	void _layer_changed(double) {
 		if (!setting) {
-			_update_material();
+			_update_material(false);
 		}
 	}
+
 	void _texture_changed();
 
 	void _texture_rect_update_area();
 	void _texture_rect_draw();
 
+	void _update_gui();
+
 protected:
 	void _notification(int p_what);
 	virtual void gui_input(const Ref<InputEvent> &p_event) override;
 
 public:
 	void edit(Ref<TextureLayered> p_texture);
+
 	TextureLayeredEditor();
 	~TextureLayeredEditor();
 };

modules/noise/noise_texture_3d.cpp

@@ -331,6 +331,10 @@ int NoiseTexture3D::get_depth() const {
 	return depth;
 }
 
+bool NoiseTexture3D::has_mipmaps() const {
+	return false;
+}
+
 RID NoiseTexture3D::get_rid() const {
 	if (!texture.is_valid()) {
 		texture = RS::get_singleton()->texture_3d_placeholder_create();

modules/noise/noise_texture_3d.h

@@ -103,6 +103,8 @@ public:
 	virtual int get_height() const override;
 	virtual int get_depth() const override;
 
+	virtual bool has_mipmaps() const override;
+
 	virtual RID get_rid() const override;
 
 	virtual Vector<Ref<Image>> get_data() const override;