Add Nearest Mipmap Anisotropic filter option to decals and projectors

This is consistent with the BaseMaterial3D filtering options.
It can be used for high-quality pixel art textures that remain sharp
when viewed at oblique angles, but prevents them from becoming grainy
thanks to mipmaps.

doc/classes/ProjectSettings.xml

@@ -1962,9 +1962,11 @@
 			Lower-end override for [member rendering/shadows/positional_shadow/soft_shadow_filter_quality] on mobile devices, due to performance concerns or driver support.
 		</member>
 		<member name="rendering/textures/decals/filter" type="int" setter="" getter="" default="3">
+			The filtering quality to use for [Decal] nodes. When using one of the anisotropic filtering modes, the anisotropic filtering level is controlled by [member rendering/textures/default_filters/anisotropic_filtering_level].
 		</member>
 		<member name="rendering/textures/default_filters/anisotropic_filtering_level" type="int" setter="" getter="" default="2">
 			Sets the maximum number of samples to take when using anisotropic filtering on textures (as a power of two). A higher sample count will result in sharper textures at oblique angles, but is more expensive to compute. A value of [code]0[/code] forcibly disables anisotropic filtering, even on materials where it is enabled.
+			The anisotropic filtering level also affects decals and light projectors if they are configured to use anisotropic filtering. See [member rendering/textures/decals/filter] and [member rendering/textures/light_projectors/filter].
 			[b]Note:[/b] This property is only read when the project starts. There is currently no way to change this setting at run-time.
 		</member>
 		<member name="rendering/textures/default_filters/texture_mipmap_bias" type="float" setter="" getter="" default="0.0">
@@ -1977,6 +1979,7 @@
 			[b]Note:[/b] This property is only read when the project starts. There is currently no way to change this setting at run-time.
 		</member>
 		<member name="rendering/textures/light_projectors/filter" type="int" setter="" getter="" default="3">
+			The filtering quality to use for [OmniLight3D] and [SpotLight3D] projectors. When using one of the anisotropic filtering modes, the anisotropic filtering level is controlled by [member rendering/textures/default_filters/anisotropic_filtering_level].
 		</member>
 		<member name="rendering/textures/lossless_compression/force_png" type="bool" setter="" getter="" default="false">
 			If [code]true[/code], the texture importer will import lossless textures using the PNG format. Otherwise, it will default to using WebP.

doc/classes/RenderingServer.xml

@@ -3747,14 +3747,22 @@
 			Use [Transform3D] to store MultiMesh transform.
 		</constant>
 		<constant name="LIGHT_PROJECTOR_FILTER_NEAREST" value="0" enum="LightProjectorFilter">
+			Nearest-neighbor filter for light projectors (use for pixel art light projectors). No mipmaps are used for rendering, which means light projectors at a distance will look sharp but grainy. This has roughly the same performance cost as using mipmaps.
 		</constant>
-		<constant name="LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS" value="1" enum="LightProjectorFilter">
+		<constant name="LIGHT_PROJECTOR_FILTER_LINEAR" value="1" enum="LightProjectorFilter">
+			Linear filter for light projectors (use for non-pixel art light projectors). No mipmaps are used for rendering, which means light projectors at a distance will look smooth but blurry. This has roughly the same performance cost as using mipmaps.
 		</constant>
-		<constant name="LIGHT_PROJECTOR_FILTER_LINEAR" value="2" enum="LightProjectorFilter">
+		<constant name="LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS" value="2" enum="LightProjectorFilter">
+			Nearest-neighbor filter for light projectors (use for pixel art light projectors). Isotropic mipmaps are used for rendering, which means light projectors at a distance will look smooth but blurry. This has roughly the same performance cost as not using mipmaps.
 		</constant>
 		<constant name="LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS" value="3" enum="LightProjectorFilter">
+			Linear filter for light projectors (use for non-pixel art light projectors). Isotropic mipmaps are used for rendering, which means light projectors at a distance will look smooth but blurry. This has roughly the same performance cost as not using mipmaps.
 		</constant>
-		<constant name="LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC" value="4" enum="LightProjectorFilter">
+		<constant name="LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS_ANISOTROPIC" value="4" enum="LightProjectorFilter">
+			Nearest-neighbor filter for light projectors (use for pixel art light projectors). Anisotropic mipmaps are used for rendering, which means light projectors at a distance will look smooth and sharp when viewed from oblique angles. This looks better compared to isotropic mipmaps, but is slower. The level of anisotropic filtering is defined by [member ProjectSettings.rendering/textures/default_filters/anisotropic_filtering_level].
+		</constant>
+		<constant name="LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC" value="5" enum="LightProjectorFilter">
+			Linear filter for light projectors (use for non-pixel art light projectors). Anisotropic mipmaps are used for rendering, which means light projectors at a distance will look smooth and sharp when viewed from oblique angles. This looks better compared to isotropic mipmaps, but is slower. The level of anisotropic filtering is defined by [member ProjectSettings.rendering/textures/default_filters/anisotropic_filtering_level].
 		</constant>
 		<constant name="LIGHT_DIRECTIONAL" value="0" enum="LightType">
 			Is a directional (sun) light.
@@ -3896,14 +3904,22 @@
 		<constant name="DECAL_TEXTURE_MAX" value="4" enum="DecalTexture">
 		</constant>
 		<constant name="DECAL_FILTER_NEAREST" value="0" enum="DecalFilter">
+			Nearest-neighbor filter for decals (use for pixel art decals). No mipmaps are used for rendering, which means decals at a distance will look sharp but grainy. This has roughly the same performance cost as using mipmaps.
 		</constant>
-		<constant name="DECAL_FILTER_NEAREST_MIPMAPS" value="1" enum="DecalFilter">
+		<constant name="DECAL_FILTER_LINEAR" value="1" enum="DecalFilter">
+			Linear filter for decals (use for non-pixel art decals). No mipmaps are used for rendering, which means decals at a distance will look smooth but blurry. This has roughly the same performance cost as using mipmaps.
 		</constant>
-		<constant name="DECAL_FILTER_LINEAR" value="2" enum="DecalFilter">
+		<constant name="DECAL_FILTER_NEAREST_MIPMAPS" value="2" enum="DecalFilter">
+			Nearest-neighbor filter for decals (use for pixel art decals). Isotropic mipmaps are used for rendering, which means decals at a distance will look smooth but blurry. This has roughly the same performance cost as not using mipmaps.
 		</constant>
 		<constant name="DECAL_FILTER_LINEAR_MIPMAPS" value="3" enum="DecalFilter">
+			Linear filter for decals (use for non-pixel art decals). Isotropic mipmaps are used for rendering, which means decals at a distance will look smooth but blurry. This has roughly the same performance cost as not using mipmaps.
+		</constant>
+		<constant name="DECAL_FILTER_NEAREST_MIPMAPS_ANISOTROPIC" value="4" enum="DecalFilter">
+			Nearest-neighbor filter for decals (use for pixel art decals). Anisotropic mipmaps are used for rendering, which means decals at a distance will look smooth and sharp when viewed from oblique angles. This looks better compared to isotropic mipmaps, but is slower. The level of anisotropic filtering is defined by [member ProjectSettings.rendering/textures/default_filters/anisotropic_filtering_level].
 		</constant>
-		<constant name="DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC" value="4" enum="DecalFilter">
+		<constant name="DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC" value="5" enum="DecalFilter">
+			Linear filter for decals (use for non-pixel art decals). Anisotropic mipmaps are used for rendering, which means decals at a distance will look smooth and sharp when viewed from oblique angles. This looks better compared to isotropic mipmaps, but is slower. The level of anisotropic filtering is defined by [member ProjectSettings.rendering/textures/default_filters/anisotropic_filtering_level].
 		</constant>
 		<constant name="VOXEL_GI_QUALITY_LOW" value="0" enum="VoxelGIQuality">
 		</constant>

servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp

@@ -2265,15 +2265,18 @@ void RenderForwardClustered::_update_render_base_uniform_set() {
 				case RS::DECAL_FILTER_NEAREST: {
 					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
-				case RS::DECAL_FILTER_NEAREST_MIPMAPS: {
-					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-				} break;
 				case RS::DECAL_FILTER_LINEAR: {
 					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
+				case RS::DECAL_FILTER_NEAREST_MIPMAPS: {
+					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+				} break;
 				case RS::DECAL_FILTER_LINEAR_MIPMAPS: {
 					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
+				case RS::DECAL_FILTER_NEAREST_MIPMAPS_ANISOTROPIC: {
+					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+				} break;
 				case RS::DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC: {
 					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
@@ -2292,15 +2295,18 @@ void RenderForwardClustered::_update_render_base_uniform_set() {
 				case RS::LIGHT_PROJECTOR_FILTER_NEAREST: {
 					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
-				case RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS: {
-					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-				} break;
 				case RS::LIGHT_PROJECTOR_FILTER_LINEAR: {
 					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
+				case RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS: {
+					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+				} break;
 				case RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS: {
 					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
+				case RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS_ANISOTROPIC: {
+					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+				} break;
 				case RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC: {
 					sampler = material_storage->sampler_rd_get_custom(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
@@ -3275,12 +3281,18 @@ void RenderForwardClustered::_update_shader_quality_settings() {
 
 	sc.type = RD::PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL;
 	sc.constant_id = SPEC_CONSTANT_DECAL_FILTER;
-	sc.bool_value = decals_get_filter() == RS::DECAL_FILTER_NEAREST_MIPMAPS || decals_get_filter() == RS::DECAL_FILTER_LINEAR_MIPMAPS || decals_get_filter() == RS::DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC;
+	sc.bool_value = decals_get_filter() == RS::DECAL_FILTER_NEAREST_MIPMAPS ||
+			decals_get_filter() == RS::DECAL_FILTER_LINEAR_MIPMAPS ||
+			decals_get_filter() == RS::DECAL_FILTER_NEAREST_MIPMAPS_ANISOTROPIC ||
+			decals_get_filter() == RS::DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC;
 
 	spec_constants.push_back(sc);
 
 	sc.constant_id = SPEC_CONSTANT_PROJECTOR_FILTER;
-	sc.bool_value = light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS || light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS || light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC;
+	sc.bool_value = light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS ||
+			light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS ||
+			light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS_ANISOTROPIC ||
+			light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC;
 
 	spec_constants.push_back(sc);
 

servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp

@@ -1214,15 +1214,18 @@ void RenderForwardMobile::_update_render_base_uniform_set() {
 				case RS::DECAL_FILTER_NEAREST: {
 					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
-				case RS::DECAL_FILTER_NEAREST_MIPMAPS: {
-					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-				} break;
 				case RS::DECAL_FILTER_LINEAR: {
 					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
+				case RS::DECAL_FILTER_NEAREST_MIPMAPS: {
+					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+				} break;
 				case RS::DECAL_FILTER_LINEAR_MIPMAPS: {
 					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
+				case RS::DECAL_FILTER_NEAREST_MIPMAPS_ANISOTROPIC: {
+					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+				} break;
 				case RS::DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC: {
 					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
@@ -1241,15 +1244,18 @@ void RenderForwardMobile::_update_render_base_uniform_set() {
 				case RS::LIGHT_PROJECTOR_FILTER_NEAREST: {
 					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
-				case RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS: {
-					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-				} break;
 				case RS::LIGHT_PROJECTOR_FILTER_LINEAR: {
 					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
+				case RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS: {
+					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+				} break;
 				case RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS: {
 					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
+				case RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS_ANISOTROPIC: {
+					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+				} break;
 				case RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC: {
 					sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 				} break;
@@ -2558,12 +2564,18 @@ void RenderForwardMobile::_update_shader_quality_settings() {
 
 	sc.type = RD::PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL;
 	sc.constant_id = SPEC_CONSTANT_DECAL_USE_MIPMAPS;
-	sc.bool_value = decals_get_filter() == RS::DECAL_FILTER_NEAREST_MIPMAPS || decals_get_filter() == RS::DECAL_FILTER_LINEAR_MIPMAPS || decals_get_filter() == RS::DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC;
+	sc.bool_value = decals_get_filter() == RS::DECAL_FILTER_NEAREST_MIPMAPS ||
+			decals_get_filter() == RS::DECAL_FILTER_LINEAR_MIPMAPS ||
+			decals_get_filter() == RS::DECAL_FILTER_NEAREST_MIPMAPS_ANISOTROPIC ||
+			decals_get_filter() == RS::DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC;
 
 	spec_constants.push_back(sc);
 
 	sc.constant_id = SPEC_CONSTANT_PROJECTOR_USE_MIPMAPS;
-	sc.bool_value = light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS || light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS || light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC;
+	sc.bool_value = light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS ||
+			light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS ||
+			light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS_ANISOTROPIC ||
+			light_projectors_get_filter() == RS::LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC;
 
 	spec_constants.push_back(sc);
 

servers/rendering_server.cpp

@@ -1885,9 +1885,10 @@ void RenderingServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("light_projectors_set_filter", "filter"), &RenderingServer::light_projectors_set_filter);
 
 	BIND_ENUM_CONSTANT(LIGHT_PROJECTOR_FILTER_NEAREST);
-	BIND_ENUM_CONSTANT(LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS);
 	BIND_ENUM_CONSTANT(LIGHT_PROJECTOR_FILTER_LINEAR);
+	BIND_ENUM_CONSTANT(LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS);
 	BIND_ENUM_CONSTANT(LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS);
+	BIND_ENUM_CONSTANT(LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS_ANISOTROPIC);
 	BIND_ENUM_CONSTANT(LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC);
 
 	BIND_ENUM_CONSTANT(LIGHT_DIRECTIONAL);
@@ -1989,9 +1990,10 @@ void RenderingServer::_bind_methods() {
 	BIND_ENUM_CONSTANT(DECAL_TEXTURE_MAX);
 
 	BIND_ENUM_CONSTANT(DECAL_FILTER_NEAREST);
-	BIND_ENUM_CONSTANT(DECAL_FILTER_NEAREST_MIPMAPS);
 	BIND_ENUM_CONSTANT(DECAL_FILTER_LINEAR);
+	BIND_ENUM_CONSTANT(DECAL_FILTER_NEAREST_MIPMAPS);
 	BIND_ENUM_CONSTANT(DECAL_FILTER_LINEAR_MIPMAPS);
+	BIND_ENUM_CONSTANT(DECAL_FILTER_NEAREST_MIPMAPS_ANISOTROPIC);
 	BIND_ENUM_CONSTANT(DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC);
 
 	/* GI API (affects VoxelGI and SDFGI) */
@@ -2956,9 +2958,9 @@ void RenderingServer::init() {
 					PROPERTY_HINT_RANGE, "-2,2,0.001"));
 
 	GLOBAL_DEF("rendering/textures/decals/filter", DECAL_FILTER_LINEAR_MIPMAPS);
-	ProjectSettings::get_singleton()->set_custom_property_info("rendering/textures/decals/filter", PropertyInfo(Variant::INT, "rendering/textures/decals/filter", PROPERTY_HINT_ENUM, "Nearest (Fast),Nearest+Mipmaps,Linear,Linear+Mipmaps,Linear+Mipmaps Anisotropic (Slow)"));
+	ProjectSettings::get_singleton()->set_custom_property_info("rendering/textures/decals/filter", PropertyInfo(Variant::INT, "rendering/textures/decals/filter", PROPERTY_HINT_ENUM, "Nearest (Fast),Linear (Fast),Nearest Mipmap (Fast),Linear Mipmap (Fast),Nearest Mipmap Anisotropic (Average),Linear Mipmap Anisotropic (Average)"));
 	GLOBAL_DEF("rendering/textures/light_projectors/filter", LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS);
-	ProjectSettings::get_singleton()->set_custom_property_info("rendering/textures/light_projectors/filter", PropertyInfo(Variant::INT, "rendering/textures/light_projectors/filter", PROPERTY_HINT_ENUM, "Nearest (Fast),Nearest+Mipmaps,Linear,Linear+Mipmaps,Linear+Mipmaps Anisotropic (Slow)"));
+	ProjectSettings::get_singleton()->set_custom_property_info("rendering/textures/light_projectors/filter", PropertyInfo(Variant::INT, "rendering/textures/light_projectors/filter", PROPERTY_HINT_ENUM, "Nearest (Fast),Linear (Fast),Nearest Mipmap (Fast),Linear Mipmap (Fast),Nearest Mipmap Anisotropic (Average),Linear Mipmap Anisotropic (Average)"));
 
 	GLOBAL_DEF_RST("rendering/occlusion_culling/occlusion_rays_per_thread", 512);
 	GLOBAL_DEF_RST("rendering/occlusion_culling/bvh_build_quality", 2);

servers/rendering_server.h

@@ -495,9 +495,10 @@ public:
 
 	enum LightProjectorFilter {
 		LIGHT_PROJECTOR_FILTER_NEAREST,
-		LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS,
 		LIGHT_PROJECTOR_FILTER_LINEAR,
+		LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS,
 		LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS,
+		LIGHT_PROJECTOR_FILTER_NEAREST_MIPMAPS_ANISOTROPIC,
 		LIGHT_PROJECTOR_FILTER_LINEAR_MIPMAPS_ANISOTROPIC,
 	};
 
@@ -557,9 +558,10 @@ public:
 
 	enum DecalFilter {
 		DECAL_FILTER_NEAREST,
-		DECAL_FILTER_NEAREST_MIPMAPS,
 		DECAL_FILTER_LINEAR,
+		DECAL_FILTER_NEAREST_MIPMAPS,
 		DECAL_FILTER_LINEAR_MIPMAPS,
+		DECAL_FILTER_NEAREST_MIPMAPS_ANISOTROPIC,
 		DECAL_FILTER_LINEAR_MIPMAPS_ANISOTROPIC,
 	};