Change RendererSceneRender::GeometryInstance so more code is shared among renderers

15 files changed, 543 insertions, 683 deletions

diff --git a/servers/rendering/dummy/rasterizer_scene_dummy.h b/servers/rendering/dummy/rasterizer_scene_dummy.h
index b803dd6f96..9a376b8806 100644
--- a/servers/rendering/dummy/rasterizer_scene_dummy.h
+++ b/servers/rendering/dummy/rasterizer_scene_dummy.h
@@ -35,33 +35,10 @@
 
 class RasterizerSceneDummy : public RendererSceneRender {
 public:
-	GeometryInstance *geometry_instance_create(RID p_base) override { return nullptr; }
-	void geometry_instance_set_skeleton(GeometryInstance *p_geometry_instance, RID p_skeleton) override {}
-	void geometry_instance_set_material_override(GeometryInstance *p_geometry_instance, RID p_override) override {}
-	void geometry_instance_set_material_overlay(GeometryInstance *p_geometry_instance, RID p_override) override {}
-	void geometry_instance_set_surface_materials(GeometryInstance *p_geometry_instance, const Vector<RID> &p_material) override {}
-	void geometry_instance_set_mesh_instance(GeometryInstance *p_geometry_instance, RID p_mesh_instance) override {}
-	void geometry_instance_set_transform(GeometryInstance *p_geometry_instance, const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabbb) override {}
-	void geometry_instance_set_layer_mask(GeometryInstance *p_geometry_instance, uint32_t p_layer_mask) override {}
-	void geometry_instance_set_lod_bias(GeometryInstance *p_geometry_instance, float p_lod_bias) override {}
-	void geometry_instance_set_use_baked_light(GeometryInstance *p_geometry_instance, bool p_enable) override {}
-	void geometry_instance_set_use_dynamic_gi(GeometryInstance *p_geometry_instance, bool p_enable) override {}
-	void geometry_instance_set_use_lightmap(GeometryInstance *p_geometry_instance, RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) override {}
-	void geometry_instance_set_lightmap_capture(GeometryInstance *p_geometry_instance, const Color *p_sh9) override {}
-	void geometry_instance_set_instance_shader_parameters_offset(GeometryInstance *p_geometry_instance, int32_t p_offset) override {}
-	void geometry_instance_set_cast_double_sided_shadows(GeometryInstance *p_geometry_instance, bool p_enable) override {}
-	void geometry_instance_set_fade_range(GeometryInstance *p_geometry_instance, bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) override {}
-	void geometry_instance_set_parent_fade_alpha(GeometryInstance *p_geometry_instance, float p_alpha) override {}
-	void geometry_instance_set_transparency(GeometryInstance *p_geometry_instance, float p_transparency) override {}
+	RenderGeometryInstance *geometry_instance_create(RID p_base) override { return nullptr; }
+	void geometry_instance_free(RenderGeometryInstance *p_geometry_instance) override {}
 
 	uint32_t geometry_instance_get_pair_mask() override { return 0; }
-	void geometry_instance_pair_light_instances(GeometryInstance *p_geometry_instance, const RID *p_light_instances, uint32_t p_light_instance_count) override {}
-	void geometry_instance_pair_reflection_probe_instances(GeometryInstance *p_geometry_instance, const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) override {}
-	void geometry_instance_pair_decal_instances(GeometryInstance *p_geometry_instance, const RID *p_decal_instances, uint32_t p_decal_instance_count) override {}
-	void geometry_instance_pair_voxel_gi_instances(GeometryInstance *p_geometry_instance, const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) override {}
-	void geometry_instance_set_softshadow_projector_pairing(GeometryInstance *p_geometry_instance, bool p_softshadow, bool p_projector) override {}
-
-	void geometry_instance_free(GeometryInstance *p_geometry_instance) override {}
 
 	/* SHADOW ATLAS API */
 
@@ -179,13 +156,13 @@ public:
 	RID voxel_gi_instance_create(RID p_voxel_gi) override { return RID(); }
 	void voxel_gi_instance_set_transform_to_data(RID p_probe, const Transform3D &p_xform) override {}
 	bool voxel_gi_needs_update(RID p_probe) const override { return false; }
-	void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RendererSceneRender::GeometryInstance *> &p_dynamic_objects) override {}
+	void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects) override {}
 
 	void voxel_gi_set_quality(RS::VoxelGIQuality) override {}
 
-	void render_scene(RID p_render_buffers, const CameraData *p_camera_data, const CameraData *p_prev_camera_data, const PagedArray<GeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, const PagedArray<RID> &p_fog_volumes, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_occluder_debug_tex, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold, const RenderShadowData *p_render_shadows, int p_render_shadow_count, const RenderSDFGIData *p_render_sdfgi_regions, int p_render_sdfgi_region_count, const RenderSDFGIUpdateData *p_sdfgi_update_data = nullptr, RendererScene::RenderInfo *r_info = nullptr) override {}
-	void render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override {}
-	void render_particle_collider_heightfield(RID p_collider, const Transform3D &p_transform, const PagedArray<GeometryInstance *> &p_instances) override {}
+	void render_scene(RID p_render_buffers, const CameraData *p_camera_data, const CameraData *p_prev_camera_data, const PagedArray<RenderGeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, const PagedArray<RID> &p_fog_volumes, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_occluder_debug_tex, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold, const RenderShadowData *p_render_shadows, int p_render_shadow_count, const RenderSDFGIData *p_render_sdfgi_regions, int p_render_sdfgi_region_count, const RenderSDFGIUpdateData *p_sdfgi_update_data = nullptr, RendererScene::RenderInfo *r_info = nullptr) override {}
+	void render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override {}
+	void render_particle_collider_heightfield(RID p_collider, const Transform3D &p_transform, const PagedArray<RenderGeometryInstance *> &p_instances) override {}
 
 	void set_scene_pass(uint64_t p_pass) override {}
 	void set_time(double p_time, double p_step) override {}
diff --git a/servers/rendering/renderer_geometry_instance.cpp b/servers/rendering/renderer_geometry_instance.cpp
new file mode 100644
index 0000000000..3a9bab022c
--- /dev/null
+++ b/servers/rendering/renderer_geometry_instance.cpp
@@ -0,0 +1,138 @@
+/*************************************************************************/
+/*  renderer_geometry_instance.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 "servers/rendering/renderer_geometry_instance.h"
+
+void RenderGeometryInstanceBase::set_skeleton(RID p_skeleton) {
+	data->skeleton = p_skeleton;
+
+	_mark_dirty();
+	data->dirty_dependencies = true;
+}
+
+void RenderGeometryInstanceBase::set_material_override(RID p_override) {
+	data->material_override = p_override;
+
+	_mark_dirty();
+	data->dirty_dependencies = true;
+}
+
+void RenderGeometryInstanceBase::set_material_overlay(RID p_overlay) {
+	data->material_overlay = p_overlay;
+
+	_mark_dirty();
+	data->dirty_dependencies = true;
+}
+
+void RenderGeometryInstanceBase::set_surface_materials(const Vector<RID> &p_materials) {
+	data->surface_materials = p_materials;
+
+	_mark_dirty();
+	data->dirty_dependencies = true;
+}
+
+void RenderGeometryInstanceBase::set_mesh_instance(RID p_mesh_instance) {
+	mesh_instance = p_mesh_instance;
+
+	_mark_dirty();
+}
+
+void RenderGeometryInstanceBase::set_transform(const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabb) {
+	transform = p_transform;
+	mirror = p_transform.basis.determinant() < 0;
+	data->aabb = p_aabb;
+	transformed_aabb = p_transformed_aabb;
+
+	Vector3 model_scale_vec = p_transform.basis.get_scale_abs();
+	// handle non uniform scale here
+
+	float max_scale = MAX(model_scale_vec.x, MAX(model_scale_vec.y, model_scale_vec.z));
+	float min_scale = MIN(model_scale_vec.x, MIN(model_scale_vec.y, model_scale_vec.z));
+	non_uniform_scale = max_scale >= 0.0 && (min_scale / max_scale) < 0.9;
+
+	lod_model_scale = max_scale;
+}
+
+void RenderGeometryInstanceBase::set_lod_bias(float p_lod_bias) {
+	lod_bias = p_lod_bias;
+}
+
+void RenderGeometryInstanceBase::set_layer_mask(uint32_t p_layer_mask) {
+	layer_mask = p_layer_mask;
+}
+
+void RenderGeometryInstanceBase::set_fade_range(bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) {
+	fade_near = p_enable_near;
+	fade_near_begin = p_near_begin;
+	fade_near_end = p_near_end;
+	fade_far = p_enable_far;
+	fade_far_begin = p_far_begin;
+	fade_far_end = p_far_end;
+}
+
+void RenderGeometryInstanceBase::set_parent_fade_alpha(float p_alpha) {
+	parent_fade_alpha = p_alpha;
+}
+
+void RenderGeometryInstanceBase::set_transparency(float p_transparency) {
+	force_alpha = CLAMP(1.0 - p_transparency, 0, 1);
+}
+
+void RenderGeometryInstanceBase::set_use_baked_light(bool p_enable) {
+	data->use_baked_light = p_enable;
+
+	_mark_dirty();
+}
+
+void RenderGeometryInstanceBase::set_use_dynamic_gi(bool p_enable) {
+	data->use_dynamic_gi = p_enable;
+
+	_mark_dirty();
+}
+
+void RenderGeometryInstanceBase::set_instance_shader_parameters_offset(int32_t p_offset) {
+	shader_parameters_offset = p_offset;
+
+	_mark_dirty();
+}
+
+void RenderGeometryInstanceBase::set_cast_double_sided_shadows(bool p_enable) {
+	data->cast_double_sided_shadows = p_enable;
+
+	_mark_dirty();
+}
+
+Transform3D RenderGeometryInstanceBase::get_transform() {
+	return transform;
+}
+
+AABB RenderGeometryInstanceBase::get_aabb() {
+	return data->aabb;
+}
diff --git a/servers/rendering/renderer_geometry_instance.h b/servers/rendering/renderer_geometry_instance.h
new file mode 100644
index 0000000000..279566d5c9
--- /dev/null
+++ b/servers/rendering/renderer_geometry_instance.h
@@ -0,0 +1,150 @@
+/*************************************************************************/
+/*  renderer_geometry_instance.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 RENDERER_GEOMETRY_INSTANCE_H
+#define RENDERER_GEOMETRY_INSTANCE_H
+
+#include "core/math/rect2.h"
+#include "core/math/transform_3d.h"
+#include "core/math/vector3.h"
+#include "core/templates/rid.h"
+#include "storage/utilities.h"
+
+// API definition for our RenderGeometryInstance class so we can expose this through GDExternal in the near future
+class RenderGeometryInstance {
+public:
+	virtual ~RenderGeometryInstance() {}
+
+	virtual void _mark_dirty() = 0;
+
+	virtual void set_skeleton(RID p_skeleton) = 0;
+	virtual void set_material_override(RID p_override) = 0;
+	virtual void set_material_overlay(RID p_overlay) = 0;
+	virtual void set_surface_materials(const Vector<RID> &p_materials) = 0;
+	virtual void set_mesh_instance(RID p_mesh_instance) = 0;
+	virtual void set_transform(const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabb) = 0;
+	virtual void set_lod_bias(float p_lod_bias) = 0;
+	virtual void set_layer_mask(uint32_t p_layer_mask) = 0;
+	virtual void set_fade_range(bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) = 0;
+	virtual void set_parent_fade_alpha(float p_alpha) = 0;
+	virtual void set_transparency(float p_transparency) = 0;
+	virtual void set_use_baked_light(bool p_enable) = 0;
+	virtual void set_use_dynamic_gi(bool p_enable) = 0;
+	virtual void set_use_lightmap(RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) = 0;
+	virtual void set_lightmap_capture(const Color *p_sh9) = 0;
+	virtual void set_instance_shader_parameters_offset(int32_t p_offset) = 0;
+	virtual void set_cast_double_sided_shadows(bool p_enable) = 0;
+
+	virtual Transform3D get_transform() = 0;
+	virtual AABB get_aabb() = 0;
+
+	virtual void pair_light_instances(const RID *p_light_instances, uint32_t p_light_instance_count) = 0;
+	virtual void pair_reflection_probe_instances(const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) = 0;
+	virtual void pair_decal_instances(const RID *p_decal_instances, uint32_t p_decal_instance_count) = 0;
+	virtual void pair_voxel_gi_instances(const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) = 0;
+
+	virtual void set_softshadow_projector_pairing(bool p_softshadow, bool p_projector) = 0;
+};
+
+// Base implementation of RenderGeometryInstance shared by internal renderers.
+class RenderGeometryInstanceBase : public RenderGeometryInstance {
+public:
+	// setup
+	uint32_t base_flags = 0;
+	uint32_t flags_cache = 0;
+
+	// used during rendering
+	float depth = 0;
+
+	RID mesh_instance;
+
+	Transform3D transform;
+	bool mirror = false; // move into data?
+	AABB transformed_aabb; //needed for LOD
+	bool non_uniform_scale = false;
+	float lod_model_scale = 1.0;
+	float lod_bias = 0.0;
+
+	uint32_t layer_mask = 1;
+
+	bool fade_near = false;
+	float fade_near_begin = 0;
+	float fade_near_end = 0;
+	bool fade_far = false;
+	float fade_far_begin = 0;
+	float fade_far_end = 0;
+
+	float parent_fade_alpha = 1.0;
+	float force_alpha = 1.0;
+
+	int32_t shader_parameters_offset = -1;
+
+	struct Data {
+		//data used less often goes into regular heap
+		RID base;
+		RS::InstanceType base_type;
+
+		RID skeleton;
+		Vector<RID> surface_materials;
+		RID material_override;
+		RID material_overlay;
+		AABB aabb;
+
+		bool use_baked_light = false;
+		bool use_dynamic_gi = false;
+		bool cast_double_sided_shadows = false;
+		bool dirty_dependencies = false;
+
+		DependencyTracker dependency_tracker;
+	};
+
+	Data *data = nullptr;
+
+	virtual void set_skeleton(RID p_skeleton) override;
+	virtual void set_material_override(RID p_override) override;
+	virtual void set_material_overlay(RID p_overlay) override;
+	virtual void set_surface_materials(const Vector<RID> &p_materials) override;
+	virtual void set_mesh_instance(RID p_mesh_instance) override;
+	virtual void set_transform(const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabb) override;
+	virtual void set_lod_bias(float p_lod_bias) override;
+	virtual void set_layer_mask(uint32_t p_layer_mask) override;
+	virtual void set_fade_range(bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) override;
+	virtual void set_parent_fade_alpha(float p_alpha) override;
+	virtual void set_transparency(float p_transparency) override;
+	virtual void set_use_baked_light(bool p_enable) override;
+	virtual void set_use_dynamic_gi(bool p_enable) override;
+	virtual void set_instance_shader_parameters_offset(int32_t p_offset) override;
+	virtual void set_cast_double_sided_shadows(bool p_enable) override;
+
+	virtual Transform3D get_transform() override;
+	virtual AABB get_aabb() override;
+};
+
+#endif // RENDERER_GEOMETRY_INSTANCE_H
diff --git a/servers/rendering/renderer_rd/environment/gi.cpp b/servers/rendering/renderer_rd/environment/gi.cpp
index cb3de07c31..cb120a1b49 100644
--- a/servers/rendering/renderer_rd/environment/gi.cpp
+++ b/servers/rendering/renderer_rd/environment/gi.cpp
@@ -1947,7 +1947,7 @@ void GI::SDFGI::pre_process_gi(const Transform3D &p_transform, RenderDataRD *p_r
 	}
 }
 
-void GI::SDFGI::render_region(RID p_render_buffers, int p_region, const PagedArray<RendererSceneRender::GeometryInstance *> &p_instances, RendererSceneRenderRD *p_scene_render) {
+void GI::SDFGI::render_region(RID p_render_buffers, int p_region, const PagedArray<RenderGeometryInstance *> &p_instances, RendererSceneRenderRD *p_scene_render) {
 	//print_line("rendering region " + itos(p_region));
 	RendererSceneRenderRD::RenderBuffers *rb = p_scene_render->render_buffers_owner.get_or_null(p_render_buffers);
 	ERR_FAIL_COND(!rb); // we wouldn't be here if this failed but...
@@ -2428,7 +2428,7 @@ void GI::SDFGI::render_static_lights(RID p_render_buffers, uint32_t p_cascade_co
 ////////////////////////////////////////////////////////////////////////////////
 // VoxelGIInstance
 
-void GI::VoxelGIInstance::update(bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RendererSceneRender::GeometryInstance *> &p_dynamic_objects, RendererSceneRenderRD *p_scene_render) {
+void GI::VoxelGIInstance::update(bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects, RendererSceneRenderRD *p_scene_render) {
 	RendererRD::MaterialStorage *material_storage = RendererRD::MaterialStorage::get_singleton();
 
 	uint32_t data_version = gi->voxel_gi_get_data_version(probe);
@@ -2951,10 +2951,10 @@ void GI::VoxelGIInstance::update(bool p_update_light_instances, const Vector<RID
 
 		//this could probably be better parallelized in compute..
 		for (int i = 0; i < (int)p_dynamic_objects.size(); i++) {
-			RendererSceneRender::GeometryInstance *instance = p_dynamic_objects[i];
+			RenderGeometryInstance *instance = p_dynamic_objects[i];
 
 			//transform aabb to voxel_gi
-			AABB aabb = (to_probe_xform * p_scene_render->geometry_instance_get_transform(instance)).xform(p_scene_render->geometry_instance_get_aabb(instance));
+			AABB aabb = (to_probe_xform * instance->get_transform()).xform(instance->get_aabb());
 
 			//this needs to wrap to grid resolution to avoid jitter
 			//also extend margin a bit just in case
@@ -3960,7 +3960,7 @@ bool GI::voxel_gi_needs_update(RID p_probe) const {
 	return voxel_gi->last_probe_version != voxel_gi_get_version(voxel_gi->probe);
 }
 
-void GI::voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RendererSceneRender::GeometryInstance *> &p_dynamic_objects, RendererSceneRenderRD *p_scene_render) {
+void GI::voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects, RendererSceneRenderRD *p_scene_render) {
 	VoxelGIInstance *voxel_gi = get_probe_instance(p_probe);
 	ERR_FAIL_COND(!voxel_gi);
 
diff --git a/servers/rendering/renderer_rd/environment/gi.h b/servers/rendering/renderer_rd/environment/gi.h
index f4e32a8dd0..30e695120e 100644
--- a/servers/rendering/renderer_rd/environment/gi.h
+++ b/servers/rendering/renderer_rd/environment/gi.h
@@ -471,7 +471,7 @@ public:
 
 		Transform3D transform;
 
-		void update(bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RendererSceneRender::GeometryInstance *> &p_dynamic_objects, RendererSceneRenderRD *p_scene_render);
+		void update(bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects, RendererSceneRenderRD *p_scene_render);
 		void debug(RD::DrawListID p_draw_list, RID p_framebuffer, const Projection &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha);
 	};
 
@@ -627,7 +627,7 @@ public:
 		void debug_probes(RID p_framebuffer, const uint32_t p_view_count, const Projection *p_camera_with_transforms, bool p_will_continue_color, bool p_will_continue_depth);
 
 		void pre_process_gi(const Transform3D &p_transform, RenderDataRD *p_render_data, RendererSceneRenderRD *p_scene_render);
-		void render_region(RID p_render_buffers, int p_region, const PagedArray<RendererSceneRender::GeometryInstance *> &p_instances, RendererSceneRenderRD *p_scene_render);
+		void render_region(RID p_render_buffers, int p_region, const PagedArray<RenderGeometryInstance *> &p_instances, RendererSceneRenderRD *p_scene_render);
 		void render_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const PagedArray<RID> *p_positional_light_cull_result, RendererSceneRenderRD *p_scene_render);
 	};
 
@@ -780,7 +780,7 @@ public:
 	RID voxel_gi_instance_create(RID p_base);
 	void voxel_gi_instance_set_transform_to_data(RID p_probe, const Transform3D &p_xform);
 	bool voxel_gi_needs_update(RID p_probe) const;
-	void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RendererSceneRender::GeometryInstance *> &p_dynamic_objects, RendererSceneRenderRD *p_scene_render);
+	void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects, RendererSceneRenderRD *p_scene_render);
 	void debug_voxel_gi(RID p_voxel_gi, RD::DrawListID p_draw_list, RID p_framebuffer, const Projection &p_camera_with_transform, bool p_lighting, bool p_emission, float p_alpha);
 };
 
diff --git a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
index 4a55a04cd4..872a27fda1 100644
--- a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
+++ b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
@@ -1873,7 +1873,7 @@ void RenderForwardClustered::_render_shadow_begin() {
 	scene_state.instance_data[RENDER_LIST_SECONDARY].clear();
 }
 
-void RenderForwardClustered::_render_shadow_append(RID p_framebuffer, const PagedArray<GeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane, float p_lod_distance_multiplier, float p_screen_mesh_lod_threshold, const Rect2i &p_rect, bool p_flip_y, bool p_clear_region, bool p_begin, bool p_end, RendererScene::RenderInfo *p_render_info) {
+void RenderForwardClustered::_render_shadow_append(RID p_framebuffer, const PagedArray<RenderGeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane, float p_lod_distance_multiplier, float p_screen_mesh_lod_threshold, const Rect2i &p_rect, bool p_flip_y, bool p_clear_region, bool p_begin, bool p_end, RendererScene::RenderInfo *p_render_info) {
 	uint32_t shadow_pass_index = scene_state.shadow_passes.size();
 
 	SceneState::ShadowPass shadow_pass;
@@ -1963,7 +1963,7 @@ void RenderForwardClustered::_render_shadow_end(uint32_t p_barrier) {
 	RD::get_singleton()->draw_command_end_label();
 }
 
-void RenderForwardClustered::_render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<GeometryInstance *> &p_instances) {
+void RenderForwardClustered::_render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<RenderGeometryInstance *> &p_instances) {
 	RENDER_TIMESTAMP("Setup GPUParticlesCollisionHeightField3D");
 
 	RD::get_singleton()->draw_command_begin_label("Render Collider Heightfield");
@@ -2002,7 +2002,7 @@ void RenderForwardClustered::_render_particle_collider_heightfield(RID p_fb, con
 	RD::get_singleton()->draw_command_end_label();
 }
 
-void RenderForwardClustered::_render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
+void RenderForwardClustered::_render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
 	RENDER_TIMESTAMP("Setup Rendering 3D Material");
 
 	RD::get_singleton()->draw_command_begin_label("Render 3D Material");
@@ -2051,7 +2051,7 @@ void RenderForwardClustered::_render_material(const Transform3D &p_cam_transform
 	RD::get_singleton()->draw_command_end_label();
 }
 
-void RenderForwardClustered::_render_uv2(const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
+void RenderForwardClustered::_render_uv2(const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
 	RENDER_TIMESTAMP("Setup Rendering UV2");
 
 	RD::get_singleton()->draw_command_begin_label("Render UV2");
@@ -2121,7 +2121,7 @@ void RenderForwardClustered::_render_uv2(const PagedArray<GeometryInstance *> &p
 	RD::get_singleton()->draw_command_end_label();
 }
 
-void RenderForwardClustered::_render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<GeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) {
+void RenderForwardClustered::_render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<RenderGeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) {
 	RENDER_TIMESTAMP("Render SDFGI");
 
 	RD::get_singleton()->draw_command_begin_label("Render SDFGI Voxel");
@@ -2792,24 +2792,23 @@ RID RenderForwardClustered::_render_buffers_get_velocity_texture(RID p_render_bu
 
 RenderForwardClustered *RenderForwardClustered::singleton = nullptr;
 
-void RenderForwardClustered::_geometry_instance_mark_dirty(GeometryInstance *p_geometry_instance) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	if (ginstance->dirty_list_element.in_list()) {
+void RenderForwardClustered::GeometryInstanceForwardClustered::_mark_dirty() {
+	if (dirty_list_element.in_list()) {
 		return;
 	}
 
 	//clear surface caches
-	GeometryInstanceSurfaceDataCache *surf = ginstance->surface_caches;
+	GeometryInstanceSurfaceDataCache *surf = surface_caches;
 
 	while (surf) {
 		GeometryInstanceSurfaceDataCache *next = surf->next;
-		geometry_instance_surface_alloc.free(surf);
+		RenderForwardClustered::get_singleton()->geometry_instance_surface_alloc.free(surf);
 		surf = next;
 	}
 
-	ginstance->surface_caches = nullptr;
+	surface_caches = nullptr;
 
-	geometry_instance_dirty_list.add(&ginstance->dirty_list_element);
+	RenderForwardClustered::get_singleton()->geometry_instance_dirty_list.add(&dirty_list_element);
 }
 
 void RenderForwardClustered::_geometry_instance_add_surface_with_material(GeometryInstanceForwardClustered *ginstance, uint32_t p_surface, SceneShaderForwardClustered::MaterialData *p_material, uint32_t p_material_id, uint32_t p_shader_id, RID p_mesh) {
@@ -2977,7 +2976,7 @@ void RenderForwardClustered::_geometry_instance_add_surface(GeometryInstanceForw
 	}
 }
 
-void RenderForwardClustered::_geometry_instance_update(GeometryInstance *p_geometry_instance) {
+void RenderForwardClustered::_geometry_instance_update(RenderGeometryInstance *p_geometry_instance) {
 	RendererRD::MeshStorage *mesh_storage = RendererRD::MeshStorage::get_singleton();
 	RendererRD::ParticlesStorage *particles_storage = RendererRD::ParticlesStorage::get_singleton();
 	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
@@ -3136,7 +3135,7 @@ void RenderForwardClustered::_geometry_instance_dependency_changed(Dependency::D
 		case Dependency::DEPENDENCY_CHANGED_PARTICLES:
 		case Dependency::DEPENDENCY_CHANGED_MULTIMESH:
 		case Dependency::DEPENDENCY_CHANGED_SKELETON_DATA: {
-			static_cast<RenderForwardClustered *>(singleton)->_geometry_instance_mark_dirty(static_cast<GeometryInstance *>(p_tracker->userdata));
+			static_cast<RenderGeometryInstance *>(p_tracker->userdata)->_mark_dirty();
 		} break;
 		case Dependency::DEPENDENCY_CHANGED_MULTIMESH_VISIBLE_INSTANCES: {
 			GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_tracker->userdata);
@@ -3150,10 +3149,10 @@ void RenderForwardClustered::_geometry_instance_dependency_changed(Dependency::D
 	}
 }
 void RenderForwardClustered::_geometry_instance_dependency_deleted(const RID &p_dependency, DependencyTracker *p_tracker) {
-	static_cast<RenderForwardClustered *>(singleton)->_geometry_instance_mark_dirty(static_cast<GeometryInstance *>(p_tracker->userdata));
+	static_cast<RenderGeometryInstance *>(p_tracker->userdata)->_mark_dirty();
 }
 
-RendererSceneRender::GeometryInstance *RenderForwardClustered::geometry_instance_create(RID p_base) {
+RenderGeometryInstance *RenderForwardClustered::geometry_instance_create(RID p_base) {
 	RS::InstanceType type = RSG::utilities->get_base_type(p_base);
 	ERR_FAIL_COND_V(!((1 << type) & RS::INSTANCE_GEOMETRY_MASK), nullptr);
 
@@ -3166,155 +3165,47 @@ RendererSceneRender::GeometryInstance *RenderForwardClustered::geometry_instance
 	ginstance->data->dependency_tracker.changed_callback = _geometry_instance_dependency_changed;
 	ginstance->data->dependency_tracker.deleted_callback = _geometry_instance_dependency_deleted;
 
-	_geometry_instance_mark_dirty(ginstance);
+	ginstance->_mark_dirty();
 
 	return ginstance;
 }
-void RenderForwardClustered::geometry_instance_set_skeleton(GeometryInstance *p_geometry_instance, RID p_skeleton) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->skeleton = p_skeleton;
-	_geometry_instance_mark_dirty(ginstance);
-	ginstance->data->dirty_dependencies = true;
-}
-void RenderForwardClustered::geometry_instance_set_material_override(GeometryInstance *p_geometry_instance, RID p_override) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->material_override = p_override;
-	_geometry_instance_mark_dirty(ginstance);
-	ginstance->data->dirty_dependencies = true;
-}
-void RenderForwardClustered::geometry_instance_set_material_overlay(GeometryInstance *p_geometry_instance, RID p_overlay) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->material_overlay = p_overlay;
-	_geometry_instance_mark_dirty(ginstance);
-	ginstance->data->dirty_dependencies = true;
-}
-void RenderForwardClustered::geometry_instance_set_surface_materials(GeometryInstance *p_geometry_instance, const Vector<RID> &p_materials) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->surface_materials = p_materials;
-	_geometry_instance_mark_dirty(ginstance);
-	ginstance->data->dirty_dependencies = true;
-}
-void RenderForwardClustered::geometry_instance_set_mesh_instance(GeometryInstance *p_geometry_instance, RID p_mesh_instance) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->mesh_instance = p_mesh_instance;
-	_geometry_instance_mark_dirty(ginstance);
-}
-void RenderForwardClustered::geometry_instance_set_transform(GeometryInstance *p_geometry_instance, const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabb) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
 
+void RenderForwardClustered::GeometryInstanceForwardClustered::set_transform(const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabbb) {
 	uint64_t frame = RSG::rasterizer->get_frame_number();
-	if (frame != ginstance->prev_transform_change_frame) {
-		ginstance->prev_transform = ginstance->transform;
-		ginstance->prev_transform_change_frame = frame;
-		ginstance->prev_transform_dirty = true;
+	if (frame != prev_transform_change_frame) {
+		prev_transform = transform;
+		prev_transform_change_frame = frame;
+		prev_transform_dirty = true;
 	}
-	ginstance->transform = p_transform;
-	ginstance->mirror = p_transform.basis.determinant() < 0;
-	ginstance->data->aabb = p_aabb;
-	ginstance->transformed_aabb = p_transformed_aabb;
-
-	Vector3 model_scale_vec = p_transform.basis.get_scale_abs();
-	// handle non uniform scale here
-
-	float max_scale = MAX(model_scale_vec.x, MAX(model_scale_vec.y, model_scale_vec.z));
-	float min_scale = MIN(model_scale_vec.x, MIN(model_scale_vec.y, model_scale_vec.z));
 
-	ginstance->non_uniform_scale = max_scale >= 0.0 && (min_scale / max_scale) < 0.9;
-
-	ginstance->lod_model_scale = max_scale;
-}
-void RenderForwardClustered::geometry_instance_set_lod_bias(GeometryInstance *p_geometry_instance, float p_lod_bias) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->lod_bias = p_lod_bias;
-}
-void RenderForwardClustered::geometry_instance_set_fade_range(GeometryInstance *p_geometry_instance, bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->fade_near = p_enable_near;
-	ginstance->fade_near_begin = p_near_begin;
-	ginstance->fade_near_end = p_near_end;
-	ginstance->fade_far = p_enable_far;
-	ginstance->fade_far_begin = p_far_begin;
-	ginstance->fade_far_end = p_far_end;
+	RenderGeometryInstanceBase::set_transform(p_transform, p_aabb, p_transformed_aabbb);
 }
 
-void RenderForwardClustered::geometry_instance_set_parent_fade_alpha(GeometryInstance *p_geometry_instance, float p_alpha) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->parent_fade_alpha = p_alpha;
-}
+void RenderForwardClustered::GeometryInstanceForwardClustered::set_use_lightmap(RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) {
+	lightmap_instance = p_lightmap_instance;
+	lightmap_uv_scale = p_lightmap_uv_scale;
+	lightmap_slice_index = p_lightmap_slice_index;
 
-void RenderForwardClustered::geometry_instance_set_transparency(GeometryInstance *p_geometry_instance, float p_transparency) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->force_alpha = CLAMP(1.0 - p_transparency, 0, 1);
+	_mark_dirty();
 }
 
-void RenderForwardClustered::geometry_instance_set_use_baked_light(GeometryInstance *p_geometry_instance, bool p_enable) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->use_baked_light = p_enable;
-	_geometry_instance_mark_dirty(ginstance);
-}
-void RenderForwardClustered::geometry_instance_set_use_dynamic_gi(GeometryInstance *p_geometry_instance, bool p_enable) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->use_dynamic_gi = p_enable;
-	_geometry_instance_mark_dirty(ginstance);
-}
-void RenderForwardClustered::geometry_instance_set_use_lightmap(GeometryInstance *p_geometry_instance, RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->lightmap_instance = p_lightmap_instance;
-	ginstance->lightmap_uv_scale = p_lightmap_uv_scale;
-	ginstance->lightmap_slice_index = p_lightmap_slice_index;
-	_geometry_instance_mark_dirty(ginstance);
-}
-void RenderForwardClustered::geometry_instance_set_lightmap_capture(GeometryInstance *p_geometry_instance, const Color *p_sh9) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
+void RenderForwardClustered::GeometryInstanceForwardClustered::set_lightmap_capture(const Color *p_sh9) {
 	if (p_sh9) {
-		if (ginstance->lightmap_sh == nullptr) {
-			ginstance->lightmap_sh = geometry_instance_lightmap_sh.alloc();
+		if (lightmap_sh == nullptr) {
+			lightmap_sh = RenderForwardClustered::get_singleton()->geometry_instance_lightmap_sh.alloc();
 		}
 
-		memcpy(ginstance->lightmap_sh->sh, p_sh9, sizeof(Color) * 9);
+		memcpy(lightmap_sh->sh, p_sh9, sizeof(Color) * 9);
 	} else {
-		if (ginstance->lightmap_sh != nullptr) {
-			geometry_instance_lightmap_sh.free(ginstance->lightmap_sh);
-			ginstance->lightmap_sh = nullptr;
+		if (lightmap_sh != nullptr) {
+			RenderForwardClustered::get_singleton()->geometry_instance_lightmap_sh.free(lightmap_sh);
+			lightmap_sh = nullptr;
 		}
 	}
-	_geometry_instance_mark_dirty(ginstance);
-}
-void RenderForwardClustered::geometry_instance_set_instance_shader_parameters_offset(GeometryInstance *p_geometry_instance, int32_t p_offset) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->shader_parameters_offset = p_offset;
-	_geometry_instance_mark_dirty(ginstance);
+	_mark_dirty();
 }
-void RenderForwardClustered::geometry_instance_set_cast_double_sided_shadows(GeometryInstance *p_geometry_instance, bool p_enable) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
 
-	ginstance->data->cast_double_sided_shadows = p_enable;
-	_geometry_instance_mark_dirty(ginstance);
-}
-
-void RenderForwardClustered::geometry_instance_set_layer_mask(GeometryInstance *p_geometry_instance, uint32_t p_layer_mask) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->layer_mask = p_layer_mask;
-}
-
-void RenderForwardClustered::geometry_instance_free(GeometryInstance *p_geometry_instance) {
+void RenderForwardClustered::geometry_instance_free(RenderGeometryInstance *p_geometry_instance) {
 	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
 	ERR_FAIL_COND(!ginstance);
 	if (ginstance->lightmap_sh != nullptr) {
@@ -3333,47 +3224,25 @@ void RenderForwardClustered::geometry_instance_free(GeometryInstance *p_geometry
 uint32_t RenderForwardClustered::geometry_instance_get_pair_mask() {
 	return (1 << RS::INSTANCE_VOXEL_GI);
 }
-void RenderForwardClustered::geometry_instance_pair_light_instances(GeometryInstance *p_geometry_instance, const RID *p_light_instances, uint32_t p_light_instance_count) {
-}
-void RenderForwardClustered::geometry_instance_pair_reflection_probe_instances(GeometryInstance *p_geometry_instance, const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) {
-}
-void RenderForwardClustered::geometry_instance_pair_decal_instances(GeometryInstance *p_geometry_instance, const RID *p_decal_instances, uint32_t p_decal_instance_count) {
-}
 
-Transform3D RenderForwardClustered::geometry_instance_get_transform(GeometryInstance *p_instance) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_instance);
-	ERR_FAIL_COND_V(!ginstance, Transform3D());
-	return ginstance->transform;
-}
-
-AABB RenderForwardClustered::geometry_instance_get_aabb(GeometryInstance *p_instance) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_instance);
-	ERR_FAIL_COND_V(!ginstance, AABB());
-	return ginstance->data->aabb;
-}
-
-void RenderForwardClustered::geometry_instance_pair_voxel_gi_instances(GeometryInstance *p_geometry_instance, const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
+void RenderForwardClustered::GeometryInstanceForwardClustered::pair_voxel_gi_instances(const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) {
 	if (p_voxel_gi_instance_count > 0) {
-		ginstance->voxel_gi_instances[0] = p_voxel_gi_instances[0];
+		voxel_gi_instances[0] = p_voxel_gi_instances[0];
 	} else {
-		ginstance->voxel_gi_instances[0] = RID();
+		voxel_gi_instances[0] = RID();
 	}
 
 	if (p_voxel_gi_instance_count > 1) {
-		ginstance->voxel_gi_instances[1] = p_voxel_gi_instances[1];
+		voxel_gi_instances[1] = p_voxel_gi_instances[1];
 	} else {
-		ginstance->voxel_gi_instances[1] = RID();
+		voxel_gi_instances[1] = RID();
 	}
 }
 
-void RenderForwardClustered::geometry_instance_set_softshadow_projector_pairing(GeometryInstance *p_geometry_instance, bool p_softshadow, bool p_projector) {
-	GeometryInstanceForwardClustered *ginstance = static_cast<GeometryInstanceForwardClustered *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->using_projectors = p_projector;
-	ginstance->using_softshadows = p_softshadow;
-	_geometry_instance_mark_dirty(ginstance);
+void RenderForwardClustered::GeometryInstanceForwardClustered::set_softshadow_projector_pairing(bool p_softshadow, bool p_projector) {
+	using_projectors = p_projector;
+	using_softshadows = p_softshadow;
+	_mark_dirty();
 }
 
 void RenderForwardClustered::_update_shader_quality_settings() {
diff --git a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h
index 2bdf48c72f..7e71406af8 100644
--- a/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h
+++ b/servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h
@@ -427,7 +427,7 @@ class RenderForwardClustered : public RendererSceneRenderRD {
 	HashMap<Size2i, RID> sdfgi_framebuffer_size_cache;
 
 	struct GeometryInstanceData;
-	struct GeometryInstanceForwardClustered;
+	class GeometryInstanceForwardClustered;
 
 	struct GeometryInstanceLightmapSH {
 		Color sh[9];
@@ -487,73 +487,48 @@ class RenderForwardClustered : public RendererSceneRenderRD {
 		GeometryInstanceForwardClustered *owner = nullptr;
 	};
 
-	struct GeometryInstanceForwardClustered : public GeometryInstance {
+	class GeometryInstanceForwardClustered : public RenderGeometryInstanceBase {
+	public:
+		// lightmap
+		RID lightmap_instance;
+		Rect2 lightmap_uv_scale;
+		uint32_t lightmap_slice_index;
+		GeometryInstanceLightmapSH *lightmap_sh = nullptr;
+
 		//used during rendering
-		bool mirror = false;
-		bool non_uniform_scale = false;
-		float lod_bias = 0.0;
-		float lod_model_scale = 1.0;
-		AABB transformed_aabb; //needed for LOD
-		float depth = 0;
+
 		uint32_t gi_offset_cache = 0;
-		uint32_t flags_cache = 0;
 		bool store_transform_cache = true;
-		int32_t shader_parameters_offset = -1;
-		uint32_t lightmap_slice_index;
-		Rect2 lightmap_uv_scale;
-		uint32_t layer_mask = 1;
 		RID transforms_uniform_set;
 		uint32_t instance_count = 0;
 		uint32_t trail_steps = 1;
-		RID mesh_instance;
 		bool can_sdfgi = false;
 		bool using_projectors = false;
 		bool using_softshadows = false;
-		bool fade_near = false;
-		float fade_near_begin = 0;
-		float fade_near_end = 0;
-		bool fade_far = false;
-		float fade_far_begin = 0;
-		float fade_far_end = 0;
-		float force_alpha = 1.0;
-		float parent_fade_alpha = 1.0;
 
 		//used during setup
-		uint32_t base_flags = 0;
 		uint64_t prev_transform_change_frame = 0xFFFFFFFF;
 		bool prev_transform_dirty = true;
-		Transform3D transform;
 		Transform3D prev_transform;
 		RID voxel_gi_instances[MAX_VOXEL_GI_INSTANCESS_PER_INSTANCE];
-		RID lightmap_instance;
-		GeometryInstanceLightmapSH *lightmap_sh = nullptr;
 		GeometryInstanceSurfaceDataCache *surface_caches = nullptr;
 		SelfList<GeometryInstanceForwardClustered> dirty_list_element;
 
-		struct Data {
-			//data used less often goes into regular heap
-			RID base;
-			RS::InstanceType base_type;
-
-			RID skeleton;
-			Vector<RID> surface_materials;
-			RID material_override;
-			RID material_overlay;
-			AABB aabb;
+		GeometryInstanceForwardClustered() :
+				dirty_list_element(this) {}
 
-			bool use_dynamic_gi = false;
-			bool use_baked_light = true;
-			bool cast_double_sided_shadows = false;
-			bool mirror = false;
-			bool dirty_dependencies = false;
+		virtual void _mark_dirty() override;
 
-			DependencyTracker dependency_tracker;
-		};
+		virtual void set_transform(const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabbb) override;
+		virtual void set_use_lightmap(RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) override;
+		virtual void set_lightmap_capture(const Color *p_sh9) override;
 
-		Data *data = nullptr;
+		virtual void pair_light_instances(const RID *p_light_instances, uint32_t p_light_instance_count) override {}
+		virtual void pair_reflection_probe_instances(const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) override {}
+		virtual void pair_decal_instances(const RID *p_decal_instances, uint32_t p_decal_instance_count) override {}
+		virtual void pair_voxel_gi_instances(const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) override;
 
-		GeometryInstanceForwardClustered() :
-				dirty_list_element(this) {}
+		virtual void set_softshadow_projector_pairing(bool p_softshadow, bool p_projector) override;
 	};
 
 	static void _geometry_instance_dependency_changed(Dependency::DependencyChangedNotification p_notification, DependencyTracker *p_tracker);
@@ -568,8 +543,7 @@ class RenderForwardClustered : public RendererSceneRenderRD {
 	void _geometry_instance_add_surface_with_material(GeometryInstanceForwardClustered *ginstance, uint32_t p_surface, SceneShaderForwardClustered::MaterialData *p_material, uint32_t p_material_id, uint32_t p_shader_id, RID p_mesh);
 	void _geometry_instance_add_surface_with_material_chain(GeometryInstanceForwardClustered *ginstance, uint32_t p_surface, SceneShaderForwardClustered::MaterialData *p_material, RID p_mat_src, RID p_mesh);
 	void _geometry_instance_add_surface(GeometryInstanceForwardClustered *ginstance, uint32_t p_surface, RID p_material, RID p_mesh);
-	void _geometry_instance_mark_dirty(GeometryInstance *p_geometry_instance);
-	void _geometry_instance_update(GeometryInstance *p_geometry_instance);
+	void _geometry_instance_update(RenderGeometryInstance *p_geometry_instance);
 	void _update_dirty_geometry_instances();
 
 	/* Render List */
@@ -640,52 +614,27 @@ protected:
 	virtual void _render_scene(RenderDataRD *p_render_data, const Color &p_default_bg_color) override;
 
 	virtual void _render_shadow_begin() override;
-	virtual void _render_shadow_append(RID p_framebuffer, const PagedArray<GeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0.0, float p_screen_mesh_lod_threshold = 0.0, const Rect2i &p_rect = Rect2i(), bool p_flip_y = false, bool p_clear_region = true, bool p_begin = true, bool p_end = true, RendererScene::RenderInfo *p_render_info = nullptr) override;
+	virtual void _render_shadow_append(RID p_framebuffer, const PagedArray<RenderGeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0.0, float p_screen_mesh_lod_threshold = 0.0, const Rect2i &p_rect = Rect2i(), bool p_flip_y = false, bool p_clear_region = true, bool p_begin = true, bool p_end = true, RendererScene::RenderInfo *p_render_info = nullptr) override;
 	virtual void _render_shadow_process() override;
 	virtual void _render_shadow_end(uint32_t p_barrier = RD::BARRIER_MASK_ALL) override;
 
-	virtual void _render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
-	virtual void _render_uv2(const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
-	virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<GeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) override;
-	virtual void _render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<GeometryInstance *> &p_instances) override;
+	virtual void _render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
+	virtual void _render_uv2(const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
+	virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<RenderGeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) override;
+	virtual void _render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<RenderGeometryInstance *> &p_instances) override;
 
 public:
+	static RenderForwardClustered *get_singleton() { return singleton; }
+
 	_FORCE_INLINE_ virtual void update_uniform_sets() override {
 		base_uniform_set_updated = true;
 		_update_render_base_uniform_set();
 	}
 
-	virtual GeometryInstance *geometry_instance_create(RID p_base) override;
-	virtual void geometry_instance_set_skeleton(GeometryInstance *p_geometry_instance, RID p_skeleton) override;
-	virtual void geometry_instance_set_material_override(GeometryInstance *p_geometry_instance, RID p_override) override;
-	virtual void geometry_instance_set_material_overlay(GeometryInstance *p_geometry_instance, RID p_override) override;
-	virtual void geometry_instance_set_surface_materials(GeometryInstance *p_geometry_instance, const Vector<RID> &p_materials) override;
-	virtual void geometry_instance_set_mesh_instance(GeometryInstance *p_geometry_instance, RID p_mesh_instance) override;
-	virtual void geometry_instance_set_transform(GeometryInstance *p_geometry_instance, const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabb) override;
-	virtual void geometry_instance_set_layer_mask(GeometryInstance *p_geometry_instance, uint32_t p_layer_mask) override;
-	virtual void geometry_instance_set_lod_bias(GeometryInstance *p_geometry_instance, float p_lod_bias) override;
-	virtual void geometry_instance_set_fade_range(GeometryInstance *p_geometry_instance, bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) override;
-	virtual void geometry_instance_set_parent_fade_alpha(GeometryInstance *p_geometry_instance, float p_alpha) override;
-	virtual void geometry_instance_set_transparency(GeometryInstance *p_geometry_instance, float p_transparency) override;
-	virtual void geometry_instance_set_use_baked_light(GeometryInstance *p_geometry_instance, bool p_enable) override;
-	virtual void geometry_instance_set_use_dynamic_gi(GeometryInstance *p_geometry_instance, bool p_enable) override;
-	virtual void geometry_instance_set_use_lightmap(GeometryInstance *p_geometry_instance, RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) override;
-	virtual void geometry_instance_set_lightmap_capture(GeometryInstance *p_geometry_instance, const Color *p_sh9) override;
-	virtual void geometry_instance_set_instance_shader_parameters_offset(GeometryInstance *p_geometry_instance, int32_t p_offset) override;
-	virtual void geometry_instance_set_cast_double_sided_shadows(GeometryInstance *p_geometry_instance, bool p_enable) override;
-
-	virtual Transform3D geometry_instance_get_transform(GeometryInstance *p_instance) override;
-	virtual AABB geometry_instance_get_aabb(GeometryInstance *p_instance) override;
-
-	virtual void geometry_instance_free(GeometryInstance *p_geometry_instance) override;
+	virtual RenderGeometryInstance *geometry_instance_create(RID p_base) override;
+	virtual void geometry_instance_free(RenderGeometryInstance *p_geometry_instance) override;
 
 	virtual uint32_t geometry_instance_get_pair_mask() override;
-	virtual void geometry_instance_pair_light_instances(GeometryInstance *p_geometry_instance, const RID *p_light_instances, uint32_t p_light_instance_count) override;
-	virtual void geometry_instance_pair_reflection_probe_instances(GeometryInstance *p_geometry_instance, const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) override;
-	virtual void geometry_instance_pair_decal_instances(GeometryInstance *p_geometry_instance, const RID *p_decal_instances, uint32_t p_decal_instance_count) override;
-	virtual void geometry_instance_pair_voxel_gi_instances(GeometryInstance *p_geometry_instance, const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) override;
-
-	virtual void geometry_instance_set_softshadow_projector_pairing(GeometryInstance *p_geometry_instance, bool p_softshadow, bool p_projector) override;
 
 	virtual bool free(RID p_rid) override;
 
diff --git a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
index 0ca71080fc..67c7d12517 100644
--- a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
+++ b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
@@ -907,7 +907,7 @@ void RenderForwardMobile::_render_shadow_begin() {
 	render_list[RENDER_LIST_SECONDARY].clear();
 }
 
-void RenderForwardMobile::_render_shadow_append(RID p_framebuffer, const PagedArray<GeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane, float p_lod_distance_multiplier, float p_screen_mesh_lod_threshold, const Rect2i &p_rect, bool p_flip_y, bool p_clear_region, bool p_begin, bool p_end, RendererScene::RenderInfo *p_render_info) {
+void RenderForwardMobile::_render_shadow_append(RID p_framebuffer, const PagedArray<RenderGeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane, float p_lod_distance_multiplier, float p_screen_mesh_lod_threshold, const Rect2i &p_rect, bool p_flip_y, bool p_clear_region, bool p_begin, bool p_end, RendererScene::RenderInfo *p_render_info) {
 	uint32_t shadow_pass_index = scene_state.shadow_passes.size();
 
 	SceneState::ShadowPass shadow_pass;
@@ -1001,7 +1001,7 @@ void RenderForwardMobile::_render_shadow_end(uint32_t p_barrier) {
 
 /* */
 
-void RenderForwardMobile::_render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
+void RenderForwardMobile::_render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
 	RENDER_TIMESTAMP("Setup Rendering 3D Material");
 
 	RD::get_singleton()->draw_command_begin_label("Render 3D Material");
@@ -1047,7 +1047,7 @@ void RenderForwardMobile::_render_material(const Transform3D &p_cam_transform, c
 	RD::get_singleton()->draw_command_end_label();
 }
 
-void RenderForwardMobile::_render_uv2(const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
+void RenderForwardMobile::_render_uv2(const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
 	RENDER_TIMESTAMP("Setup Rendering UV2");
 
 	RD::get_singleton()->draw_command_begin_label("Render UV2");
@@ -1114,11 +1114,11 @@ void RenderForwardMobile::_render_uv2(const PagedArray<GeometryInstance *> &p_in
 	RD::get_singleton()->draw_command_end_label();
 }
 
-void RenderForwardMobile::_render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<GeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) {
+void RenderForwardMobile::_render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<RenderGeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) {
 	// we don't do GI in low end..
 }
 
-void RenderForwardMobile::_render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<GeometryInstance *> &p_instances) {
+void RenderForwardMobile::_render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<RenderGeometryInstance *> &p_instances) {
 	RENDER_TIMESTAMP("Setup GPUParticlesCollisionHeightField3D");
 
 	RD::get_singleton()->draw_command_begin_label("Render Collider Heightfield");
@@ -2056,7 +2056,7 @@ void RenderForwardMobile::_render_list_template(RenderingDevice::DrawListID p_dr
 
 /* Geometry instance */
 
-RendererSceneRender::GeometryInstance *RenderForwardMobile::geometry_instance_create(RID p_base) {
+RenderGeometryInstance *RenderForwardMobile::geometry_instance_create(RID p_base) {
 	RS::InstanceType type = RSG::utilities->get_base_type(p_base);
 	ERR_FAIL_COND_V(!((1 << type) & RS::INSTANCE_GEOMETRY_MASK), nullptr);
 
@@ -2066,165 +2066,36 @@ RendererSceneRender::GeometryInstance *RenderForwardMobile::geometry_instance_cr
 	ginstance->data->base = p_base;
 	ginstance->data->base_type = type;
 
-	_geometry_instance_mark_dirty(ginstance);
+	ginstance->_mark_dirty();
 
 	return ginstance;
 }
 
-void RenderForwardMobile::geometry_instance_set_skeleton(GeometryInstance *p_geometry_instance, RID p_skeleton) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->skeleton = p_skeleton;
-
-	_geometry_instance_mark_dirty(ginstance);
-	ginstance->data->dirty_dependencies = true;
-}
-
-void RenderForwardMobile::geometry_instance_set_material_override(GeometryInstance *p_geometry_instance, RID p_override) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->material_override = p_override;
-
-	_geometry_instance_mark_dirty(ginstance);
-	ginstance->data->dirty_dependencies = true;
-}
-
-void RenderForwardMobile::geometry_instance_set_material_overlay(GeometryInstance *p_geometry_instance, RID p_overlay) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->material_overlay = p_overlay;
-
-	_geometry_instance_mark_dirty(ginstance);
-	ginstance->data->dirty_dependencies = true;
-}
-
-void RenderForwardMobile::geometry_instance_set_surface_materials(GeometryInstance *p_geometry_instance, const Vector<RID> &p_materials) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->surface_materials = p_materials;
-
-	_geometry_instance_mark_dirty(ginstance);
-	ginstance->data->dirty_dependencies = true;
-}
-
-void RenderForwardMobile::geometry_instance_set_mesh_instance(GeometryInstance *p_geometry_instance, RID p_mesh_instance) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->mesh_instance = p_mesh_instance;
-
-	_geometry_instance_mark_dirty(ginstance);
-}
-
-void RenderForwardMobile::geometry_instance_set_transform(GeometryInstance *p_geometry_instance, const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabb) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->transform = p_transform;
-	ginstance->mirror = p_transform.basis.determinant() < 0;
-	ginstance->data->aabb = p_aabb;
-	ginstance->transformed_aabb = p_transformed_aabb;
-
-	Vector3 model_scale_vec = p_transform.basis.get_scale_abs();
-	// handle non uniform scale here
-
-	float max_scale = MAX(model_scale_vec.x, MAX(model_scale_vec.y, model_scale_vec.z));
-	float min_scale = MIN(model_scale_vec.x, MIN(model_scale_vec.y, model_scale_vec.z));
-	ginstance->non_uniform_scale = max_scale >= 0.0 && (min_scale / max_scale) < 0.9;
-
-	ginstance->lod_model_scale = max_scale;
-}
-
-void RenderForwardMobile::geometry_instance_set_layer_mask(GeometryInstance *p_geometry_instance, uint32_t p_layer_mask) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->layer_mask = p_layer_mask;
-}
-
-void RenderForwardMobile::geometry_instance_set_lod_bias(GeometryInstance *p_geometry_instance, float p_lod_bias) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->lod_bias = p_lod_bias;
-}
-
-void RenderForwardMobile::geometry_instance_set_fade_range(GeometryInstance *p_geometry_instance, bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) {
-}
-
-void RenderForwardMobile::geometry_instance_set_transparency(GeometryInstance *p_geometry_instance, float p_transparency) {
-}
+void RenderForwardMobile::GeometryInstanceForwardMobile::set_use_lightmap(RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) {
+	lightmap_instance = p_lightmap_instance;
+	lightmap_uv_scale = p_lightmap_uv_scale;
+	lightmap_slice_index = p_lightmap_slice_index;
 
-void RenderForwardMobile::geometry_instance_set_parent_fade_alpha(GeometryInstance *p_geometry_instance, float p_alpha) {
+	_mark_dirty();
 }
 
-void RenderForwardMobile::geometry_instance_set_use_baked_light(GeometryInstance *p_geometry_instance, bool p_enable) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->data->use_baked_light = p_enable;
-
-	_geometry_instance_mark_dirty(ginstance);
-}
-
-void RenderForwardMobile::geometry_instance_set_use_dynamic_gi(GeometryInstance *p_geometry_instance, bool p_enable) {
-	// !BAS! do we support this in mobile?
-	// GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	// ERR_FAIL_COND(!ginstance);
-	// ginstance->data->use_dynamic_gi = p_enable;
-	// _geometry_instance_mark_dirty(ginstance);
-}
-
-void RenderForwardMobile::geometry_instance_set_use_lightmap(GeometryInstance *p_geometry_instance, RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->lightmap_instance = p_lightmap_instance;
-	ginstance->lightmap_uv_scale = p_lightmap_uv_scale;
-	ginstance->lightmap_slice_index = p_lightmap_slice_index;
-	_geometry_instance_mark_dirty(ginstance);
-}
-
-void RenderForwardMobile::geometry_instance_set_lightmap_capture(GeometryInstance *p_geometry_instance, const Color *p_sh9) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
+void RenderForwardMobile::GeometryInstanceForwardMobile::set_lightmap_capture(const Color *p_sh9) {
 	if (p_sh9) {
-		if (ginstance->lightmap_sh == nullptr) {
-			ginstance->lightmap_sh = geometry_instance_lightmap_sh.alloc();
+		if (lightmap_sh == nullptr) {
+			lightmap_sh = RenderForwardMobile::get_singleton()->geometry_instance_lightmap_sh.alloc();
 		}
 
-		memcpy(ginstance->lightmap_sh->sh, p_sh9, sizeof(Color) * 9);
+		memcpy(lightmap_sh->sh, p_sh9, sizeof(Color) * 9);
 	} else {
-		if (ginstance->lightmap_sh != nullptr) {
-			geometry_instance_lightmap_sh.free(ginstance->lightmap_sh);
-			ginstance->lightmap_sh = nullptr;
+		if (lightmap_sh != nullptr) {
+			RenderForwardMobile::get_singleton()->geometry_instance_lightmap_sh.free(lightmap_sh);
+			lightmap_sh = nullptr;
 		}
 	}
-	_geometry_instance_mark_dirty(ginstance);
-}
-
-void RenderForwardMobile::geometry_instance_set_instance_shader_parameters_offset(GeometryInstance *p_geometry_instance, int32_t p_offset) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-	ginstance->shader_parameters_offset = p_offset;
-	_geometry_instance_mark_dirty(ginstance);
+	_mark_dirty();
 }
 
-void RenderForwardMobile::geometry_instance_set_cast_double_sided_shadows(GeometryInstance *p_geometry_instance, bool p_enable) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-
-	ginstance->data->cast_double_sided_shadows = p_enable;
-	_geometry_instance_mark_dirty(ginstance);
-}
-
-Transform3D RenderForwardMobile::geometry_instance_get_transform(GeometryInstance *p_instance) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_instance);
-	ERR_FAIL_COND_V(!ginstance, Transform3D());
-	return ginstance->transform;
-}
-
-AABB RenderForwardMobile::geometry_instance_get_aabb(GeometryInstance *p_instance) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_instance);
-	ERR_FAIL_COND_V(!ginstance, AABB());
-	return ginstance->data->aabb;
-}
-
-void RenderForwardMobile::geometry_instance_free(GeometryInstance *p_geometry_instance) {
+void RenderForwardMobile::geometry_instance_free(RenderGeometryInstance *p_geometry_instance) {
 	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
 	ERR_FAIL_COND(!ginstance);
 	if (ginstance->lightmap_sh != nullptr) {
@@ -2244,26 +2115,23 @@ uint32_t RenderForwardMobile::geometry_instance_get_pair_mask() {
 	return ((1 << RS::INSTANCE_LIGHT) + (1 << RS::INSTANCE_REFLECTION_PROBE) + (1 << RS::INSTANCE_DECAL));
 }
 
-void RenderForwardMobile::geometry_instance_pair_light_instances(GeometryInstance *p_geometry_instance, const RID *p_light_instances, uint32_t p_light_instance_count) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-
-	ginstance->omni_light_count = 0;
-	ginstance->spot_light_count = 0;
+void RenderForwardMobile::GeometryInstanceForwardMobile::pair_light_instances(const RID *p_light_instances, uint32_t p_light_instance_count) {
+	omni_light_count = 0;
+	spot_light_count = 0;
 
 	for (uint32_t i = 0; i < p_light_instance_count; i++) {
-		RS::LightType type = light_instance_get_type(p_light_instances[i]);
+		RS::LightType type = RenderForwardMobile::get_singleton()->light_instance_get_type(p_light_instances[i]);
 		switch (type) {
 			case RS::LIGHT_OMNI: {
-				if (ginstance->omni_light_count < (uint32_t)MAX_RDL_CULL) {
-					ginstance->omni_lights[ginstance->omni_light_count] = light_instance_get_forward_id(p_light_instances[i]);
-					ginstance->omni_light_count++;
+				if (omni_light_count < (uint32_t)MAX_RDL_CULL) {
+					omni_lights[omni_light_count] = RenderForwardMobile::get_singleton()->light_instance_get_forward_id(p_light_instances[i]);
+					omni_light_count++;
 				}
 			} break;
 			case RS::LIGHT_SPOT: {
-				if (ginstance->spot_light_count < (uint32_t)MAX_RDL_CULL) {
-					ginstance->spot_lights[ginstance->spot_light_count] = light_instance_get_forward_id(p_light_instances[i]);
-					ginstance->spot_light_count++;
+				if (spot_light_count < (uint32_t)MAX_RDL_CULL) {
+					spot_lights[spot_light_count] = RenderForwardMobile::get_singleton()->light_instance_get_forward_id(p_light_instances[i]);
+					spot_light_count++;
 				}
 			} break;
 			default:
@@ -2272,56 +2140,42 @@ void RenderForwardMobile::geometry_instance_pair_light_instances(GeometryInstanc
 	}
 }
 
-void RenderForwardMobile::geometry_instance_pair_reflection_probe_instances(GeometryInstance *p_geometry_instance, const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-
-	ginstance->reflection_probe_count = p_reflection_probe_instance_count < (uint32_t)MAX_RDL_CULL ? p_reflection_probe_instance_count : (uint32_t)MAX_RDL_CULL;
-	for (uint32_t i = 0; i < ginstance->reflection_probe_count; i++) {
-		ginstance->reflection_probes[i] = reflection_probe_instance_get_forward_id(p_reflection_probe_instances[i]);
+void RenderForwardMobile::GeometryInstanceForwardMobile::pair_reflection_probe_instances(const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) {
+	reflection_probe_count = p_reflection_probe_instance_count < (uint32_t)MAX_RDL_CULL ? p_reflection_probe_instance_count : (uint32_t)MAX_RDL_CULL;
+	for (uint32_t i = 0; i < reflection_probe_count; i++) {
+		reflection_probes[i] = RenderForwardMobile::get_singleton()->reflection_probe_instance_get_forward_id(p_reflection_probe_instances[i]);
 	}
 }
 
-void RenderForwardMobile::geometry_instance_pair_decal_instances(GeometryInstance *p_geometry_instance, const RID *p_decal_instances, uint32_t p_decal_instance_count) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-
-	ginstance->decals_count = p_decal_instance_count < (uint32_t)MAX_RDL_CULL ? p_decal_instance_count : (uint32_t)MAX_RDL_CULL;
-	for (uint32_t i = 0; i < ginstance->decals_count; i++) {
-		ginstance->decals[i] = decal_instance_get_forward_id(p_decal_instances[i]);
+void RenderForwardMobile::GeometryInstanceForwardMobile::pair_decal_instances(const RID *p_decal_instances, uint32_t p_decal_instance_count) {
+	decals_count = p_decal_instance_count < (uint32_t)MAX_RDL_CULL ? p_decal_instance_count : (uint32_t)MAX_RDL_CULL;
+	for (uint32_t i = 0; i < decals_count; i++) {
+		decals[i] = RenderForwardMobile::get_singleton()->decal_instance_get_forward_id(p_decal_instances[i]);
 	}
 }
 
-void RenderForwardMobile::geometry_instance_pair_voxel_gi_instances(GeometryInstance *p_geometry_instance, const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) {
-	// We do not have this here!
-}
-
-void RenderForwardMobile::geometry_instance_set_softshadow_projector_pairing(GeometryInstance *p_geometry_instance, bool p_softshadow, bool p_projector) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	ERR_FAIL_COND(!ginstance);
-
-	ginstance->use_projector = p_projector;
-	ginstance->use_soft_shadow = p_softshadow;
+void RenderForwardMobile::GeometryInstanceForwardMobile::set_softshadow_projector_pairing(bool p_softshadow, bool p_projector) {
+	use_projector = p_projector;
+	use_soft_shadow = p_softshadow;
 }
 
-void RenderForwardMobile::_geometry_instance_mark_dirty(GeometryInstance *p_geometry_instance) {
-	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
-	if (ginstance->dirty_list_element.in_list()) {
+void RenderForwardMobile::GeometryInstanceForwardMobile::_mark_dirty() {
+	if (dirty_list_element.in_list()) {
 		return;
 	}
 
 	//clear surface caches
-	GeometryInstanceSurfaceDataCache *surf = ginstance->surface_caches;
+	GeometryInstanceSurfaceDataCache *surf = surface_caches;
 
 	while (surf) {
 		GeometryInstanceSurfaceDataCache *next = surf->next;
-		geometry_instance_surface_alloc.free(surf);
+		RenderForwardMobile::get_singleton()->geometry_instance_surface_alloc.free(surf);
 		surf = next;
 	}
 
-	ginstance->surface_caches = nullptr;
+	surface_caches = nullptr;
 
-	geometry_instance_dirty_list.add(&ginstance->dirty_list_element);
+	RenderForwardMobile::get_singleton()->geometry_instance_dirty_list.add(&dirty_list_element);
 }
 
 void RenderForwardMobile::_geometry_instance_add_surface_with_material(GeometryInstanceForwardMobile *ginstance, uint32_t p_surface, SceneShaderForwardMobile::MaterialData *p_material, uint32_t p_material_id, uint32_t p_shader_id, RID p_mesh) {
@@ -2487,7 +2341,7 @@ void RenderForwardMobile::_geometry_instance_add_surface(GeometryInstanceForward
 	}
 }
 
-void RenderForwardMobile::_geometry_instance_update(GeometryInstance *p_geometry_instance) {
+void RenderForwardMobile::_geometry_instance_update(RenderGeometryInstance *p_geometry_instance) {
 	RendererRD::MeshStorage *mesh_storage = RendererRD::MeshStorage::get_singleton();
 	RendererRD::ParticlesStorage *particles_storage = RendererRD::ParticlesStorage::get_singleton();
 	GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_geometry_instance);
@@ -2641,7 +2495,7 @@ void RenderForwardMobile::_geometry_instance_dependency_changed(Dependency::Depe
 		case Dependency::DEPENDENCY_CHANGED_PARTICLES:
 		case Dependency::DEPENDENCY_CHANGED_MULTIMESH:
 		case Dependency::DEPENDENCY_CHANGED_SKELETON_DATA: {
-			static_cast<RenderForwardMobile *>(singleton)->_geometry_instance_mark_dirty(static_cast<GeometryInstance *>(p_tracker->userdata));
+			static_cast<RenderGeometryInstance *>(p_tracker->userdata)->_mark_dirty();
 		} break;
 		case Dependency::DEPENDENCY_CHANGED_MULTIMESH_VISIBLE_INSTANCES: {
 			GeometryInstanceForwardMobile *ginstance = static_cast<GeometryInstanceForwardMobile *>(p_tracker->userdata);
@@ -2655,7 +2509,7 @@ void RenderForwardMobile::_geometry_instance_dependency_changed(Dependency::Depe
 	}
 }
 void RenderForwardMobile::_geometry_instance_dependency_deleted(const RID &p_dependency, DependencyTracker *p_tracker) {
-	static_cast<RenderForwardMobile *>(singleton)->_geometry_instance_mark_dirty(static_cast<GeometryInstance *>(p_tracker->userdata));
+	static_cast<RenderGeometryInstance *>(p_tracker->userdata)->_mark_dirty();
 }
 
 /* misc */
diff --git a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.h b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.h
index 5b1109512a..4a7112eb81 100644
--- a/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.h
+++ b/servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.h
@@ -160,7 +160,7 @@ protected:
 		// PASS_MODE_SDF,
 	};
 
-	struct GeometryInstanceForwardMobile;
+	class GeometryInstanceForwardMobile;
 	struct GeometryInstanceSurfaceDataCache;
 	struct RenderElementInfo;
 
@@ -212,14 +212,14 @@ protected:
 	virtual void _render_scene(RenderDataRD *p_render_data, const Color &p_default_bg_color) override;
 
 	virtual void _render_shadow_begin() override;
-	virtual void _render_shadow_append(RID p_framebuffer, const PagedArray<GeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0.0, float p_screen_mesh_lod_threshold = 0.0, const Rect2i &p_rect = Rect2i(), bool p_flip_y = false, bool p_clear_region = true, bool p_begin = true, bool p_end = true, RendererScene::RenderInfo *p_render_info = nullptr) override;
+	virtual void _render_shadow_append(RID p_framebuffer, const PagedArray<RenderGeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0.0, float p_screen_mesh_lod_threshold = 0.0, const Rect2i &p_rect = Rect2i(), bool p_flip_y = false, bool p_clear_region = true, bool p_begin = true, bool p_end = true, RendererScene::RenderInfo *p_render_info = nullptr) override;
 	virtual void _render_shadow_process() override;
 	virtual void _render_shadow_end(uint32_t p_barrier = RD::BARRIER_MASK_ALL) override;
 
-	virtual void _render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
-	virtual void _render_uv2(const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
-	virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<GeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) override;
-	virtual void _render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<GeometryInstance *> &p_instances) override;
+	virtual void _render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
+	virtual void _render_uv2(const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
+	virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<RenderGeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) override;
+	virtual void _render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<RenderGeometryInstance *> &p_instances) override;
 
 	uint64_t lightmap_texture_array_version = 0xFFFFFFFF;
 
@@ -518,14 +518,8 @@ protected:
 		GeometryInstanceForwardMobile *owner = nullptr;
 	};
 
-	// !BAS! GeometryInstanceForwardClustered and GeometryInstanceForwardMobile will likely have a lot of overlap
-	// may need to think about making this its own class like GeometryInstanceRD?
-
-	struct GeometryInstanceForwardMobile : public GeometryInstance {
-		// setup
-		uint32_t base_flags = 0;
-		uint32_t flags_cache = 0;
-
+	class GeometryInstanceForwardMobile : public RenderGeometryInstanceBase {
+	public:
 		// this structure maps to our push constant in our shader and is populated right before our draw call
 		struct PushConstant {
 			float transform[16];
@@ -543,28 +537,18 @@ protected:
 		// PushConstant push_constant; // we populate this from our instance data
 
 		//used during rendering
-		uint32_t layer_mask = 1;
 		RID transforms_uniform_set;
-		float depth = 0;
-		bool mirror = false;
 		bool use_projector = false;
 		bool use_soft_shadow = false;
-		Transform3D transform;
 		bool store_transform_cache = true; // if true we copy our transform into our PushConstant, if false we use our transforms UBO and clear our PushConstants transform
-		bool non_uniform_scale = false;
-		AABB transformed_aabb; //needed for LOD
-		float lod_bias = 0.0;
-		float lod_model_scale = 1.0;
-		int32_t shader_parameters_offset = -1;
 		uint32_t instance_count = 0;
 		uint32_t trail_steps = 1;
-		RID mesh_instance;
 
 		// lightmap
 		uint32_t gi_offset_cache = 0; // !BAS! Should rename this to lightmap_offset_cache, in forward clustered this was shared between gi and lightmap
-		uint32_t lightmap_slice_index;
-		Rect2 lightmap_uv_scale;
 		RID lightmap_instance;
+		Rect2 lightmap_uv_scale;
+		uint32_t lightmap_slice_index;
 		GeometryInstanceLightmapSH *lightmap_sh = nullptr;
 
 		// culled light info
@@ -582,30 +566,20 @@ protected:
 		// do we use this?
 		SelfList<GeometryInstanceForwardMobile> dirty_list_element;
 
-		struct Data {
-			//data used less often goes into regular heap
-			RID base;
-			RS::InstanceType base_type;
-
-			RID skeleton;
-			Vector<RID> surface_materials;
-			RID material_override;
-			RID material_overlay;
-			AABB aabb;
-
-			bool use_baked_light = true;
-			bool cast_double_sided_shadows = false;
-			// bool mirror = false; // !BAS! Does not seem used, we already have this in the main struct
+		GeometryInstanceForwardMobile() :
+				dirty_list_element(this) {}
 
-			bool dirty_dependencies = false;
+		virtual void _mark_dirty() override;
 
-			DependencyTracker dependency_tracker;
-		};
+		virtual void set_use_lightmap(RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) override;
+		virtual void set_lightmap_capture(const Color *p_sh9) override;
 
-		Data *data = nullptr;
+		virtual void pair_light_instances(const RID *p_light_instances, uint32_t p_light_instance_count) override;
+		virtual void pair_reflection_probe_instances(const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) override;
+		virtual void pair_decal_instances(const RID *p_decal_instances, uint32_t p_decal_instance_count) override;
+		virtual void pair_voxel_gi_instances(const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) override {}
 
-		GeometryInstanceForwardMobile() :
-				dirty_list_element(this) {}
+		virtual void set_softshadow_projector_pairing(bool p_softshadow, bool p_projector) override;
 	};
 
 	_FORCE_INLINE_ void _fill_push_constant_instance_indices(GeometryInstanceForwardMobile::PushConstant *p_push_constant, uint32_t &spec_constants, const GeometryInstanceForwardMobile *p_instance);
@@ -613,6 +587,8 @@ protected:
 	void _update_shader_quality_settings() override;
 
 public:
+	static RenderForwardMobile *get_singleton() { return singleton; }
+
 	virtual RID reflection_probe_create_framebuffer(RID p_color, RID p_depth) override;
 
 	static void _geometry_instance_dependency_changed(Dependency::DependencyChangedNotification p_notification, DependencyTracker *p_tracker);
@@ -627,41 +603,13 @@ public:
 	void _geometry_instance_add_surface_with_material(GeometryInstanceForwardMobile *ginstance, uint32_t p_surface, SceneShaderForwardMobile::MaterialData *p_material, uint32_t p_material_id, uint32_t p_shader_id, RID p_mesh);
 	void _geometry_instance_add_surface_with_material_chain(GeometryInstanceForwardMobile *ginstance, uint32_t p_surface, SceneShaderForwardMobile::MaterialData *p_material, RID p_mat_src, RID p_mesh);
 	void _geometry_instance_add_surface(GeometryInstanceForwardMobile *ginstance, uint32_t p_surface, RID p_material, RID p_mesh);
-	void _geometry_instance_mark_dirty(GeometryInstance *p_geometry_instance);
-	void _geometry_instance_update(GeometryInstance *p_geometry_instance);
+	void _geometry_instance_update(RenderGeometryInstance *p_geometry_instance);
 	void _update_dirty_geometry_instances();
 
-	virtual GeometryInstance *geometry_instance_create(RID p_base) override;
-	virtual void geometry_instance_set_skeleton(GeometryInstance *p_geometry_instance, RID p_skeleton) override;
-	virtual void geometry_instance_set_material_override(GeometryInstance *p_geometry_instance, RID p_override) override;
-	virtual void geometry_instance_set_material_overlay(GeometryInstance *p_geometry_instance, RID p_overlay) override;
-	virtual void geometry_instance_set_surface_materials(GeometryInstance *p_geometry_instance, const Vector<RID> &p_materials) override;
-	virtual void geometry_instance_set_mesh_instance(GeometryInstance *p_geometry_instance, RID p_mesh_instance) override;
-	virtual void geometry_instance_set_transform(GeometryInstance *p_geometry_instance, const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabb) override;
-	virtual void geometry_instance_set_layer_mask(GeometryInstance *p_geometry_instance, uint32_t p_layer_mask) override;
-	virtual void geometry_instance_set_lod_bias(GeometryInstance *p_geometry_instance, float p_lod_bias) override;
-	virtual void geometry_instance_set_fade_range(GeometryInstance *p_geometry_instance, bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) override;
-	virtual void geometry_instance_set_parent_fade_alpha(GeometryInstance *p_geometry_instance, float p_alpha) override;
-	virtual void geometry_instance_set_transparency(GeometryInstance *p_geometry_instance, float p_transparency) override;
-	virtual void geometry_instance_set_use_baked_light(GeometryInstance *p_geometry_instance, bool p_enable) override;
-	virtual void geometry_instance_set_use_dynamic_gi(GeometryInstance *p_geometry_instance, bool p_enable) override;
-	virtual void geometry_instance_set_use_lightmap(GeometryInstance *p_geometry_instance, RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) override;
-	virtual void geometry_instance_set_lightmap_capture(GeometryInstance *p_geometry_instance, const Color *p_sh9) override;
-	virtual void geometry_instance_set_instance_shader_parameters_offset(GeometryInstance *p_geometry_instance, int32_t p_offset) override;
-	virtual void geometry_instance_set_cast_double_sided_shadows(GeometryInstance *p_geometry_instance, bool p_enable) override;
-
-	virtual Transform3D geometry_instance_get_transform(GeometryInstance *p_instance) override;
-	virtual AABB geometry_instance_get_aabb(GeometryInstance *p_instance) override;
-
-	virtual void geometry_instance_free(GeometryInstance *p_geometry_instance) override;
+	virtual RenderGeometryInstance *geometry_instance_create(RID p_base) override;
+	virtual void geometry_instance_free(RenderGeometryInstance *p_geometry_instance) override;
 
 	virtual uint32_t geometry_instance_get_pair_mask() override;
-	virtual void geometry_instance_pair_light_instances(GeometryInstance *p_geometry_instance, const RID *p_light_instances, uint32_t p_light_instance_count) override;
-	virtual void geometry_instance_pair_reflection_probe_instances(GeometryInstance *p_geometry_instance, const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) override;
-	virtual void geometry_instance_pair_decal_instances(GeometryInstance *p_geometry_instance, const RID *p_decal_instances, uint32_t p_decal_instance_count) override;
-	virtual void geometry_instance_pair_voxel_gi_instances(GeometryInstance *p_geometry_instance, const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) override;
-
-	virtual void geometry_instance_set_softshadow_projector_pairing(GeometryInstance *p_geometry_instance, bool p_softshadow, bool p_projector) override;
 
 	virtual bool free(RID p_rid) override;
 
diff --git a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
index 3161f03192..4e43acaf57 100644
--- a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
@@ -1525,7 +1525,7 @@ bool RendererSceneRenderRD::voxel_gi_needs_update(RID p_probe) const {
 	return gi.voxel_gi_needs_update(p_probe);
 }
 
-void RendererSceneRenderRD::voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<GeometryInstance *> &p_dynamic_objects) {
+void RendererSceneRenderRD::voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects) {
 	if (!is_dynamic_gi_supported()) {
 		return;
 	}
@@ -3947,7 +3947,7 @@ void RendererSceneRenderRD::_pre_opaque_render(RenderDataRD *p_render_data, bool
 	}
 }
 
-void RendererSceneRenderRD::render_scene(RID p_render_buffers, const CameraData *p_camera_data, const CameraData *p_prev_camera_data, const PagedArray<GeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, const PagedArray<RID> &p_fog_volumes, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_occluder_debug_tex, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold, const RenderShadowData *p_render_shadows, int p_render_shadow_count, const RenderSDFGIData *p_render_sdfgi_regions, int p_render_sdfgi_region_count, const RenderSDFGIUpdateData *p_sdfgi_update_data, RendererScene::RenderInfo *r_render_info) {
+void RendererSceneRenderRD::render_scene(RID p_render_buffers, const CameraData *p_camera_data, const CameraData *p_prev_camera_data, const PagedArray<RenderGeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, const PagedArray<RID> &p_fog_volumes, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_occluder_debug_tex, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold, const RenderShadowData *p_render_shadows, int p_render_shadow_count, const RenderSDFGIData *p_render_sdfgi_regions, int p_render_sdfgi_region_count, const RenderSDFGIUpdateData *p_sdfgi_update_data, RendererScene::RenderInfo *r_render_info) {
 	RendererRD::TextureStorage *texture_storage = RendererRD::TextureStorage::get_singleton();
 
 	// getting this here now so we can direct call a bunch of things more easily
@@ -4142,7 +4142,7 @@ void RendererSceneRenderRD::_debug_draw_cluster(RID p_render_buffers) {
 	}
 }
 
-void RendererSceneRenderRD::_render_shadow_pass(RID p_light, RID p_shadow_atlas, int p_pass, const PagedArray<GeometryInstance *> &p_instances, const Plane &p_camera_plane, float p_lod_distance_multiplier, float p_screen_mesh_lod_threshold, bool p_open_pass, bool p_close_pass, bool p_clear_region, RendererScene::RenderInfo *p_render_info) {
+void RendererSceneRenderRD::_render_shadow_pass(RID p_light, RID p_shadow_atlas, int p_pass, const PagedArray<RenderGeometryInstance *> &p_instances, const Plane &p_camera_plane, float p_lod_distance_multiplier, float p_screen_mesh_lod_threshold, bool p_open_pass, bool p_close_pass, bool p_clear_region, RendererScene::RenderInfo *p_render_info) {
 	LightInstance *light_instance = light_instance_owner.get_or_null(p_light);
 	ERR_FAIL_COND(!light_instance);
 
@@ -4314,11 +4314,11 @@ void RendererSceneRenderRD::_render_shadow_pass(RID p_light, RID p_shadow_atlas,
 	}
 }
 
-void RendererSceneRenderRD::render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
+void RendererSceneRenderRD::render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) {
 	_render_material(p_cam_transform, p_cam_projection, p_cam_orthogonal, p_instances, p_framebuffer, p_region);
 }
 
-void RendererSceneRenderRD::render_particle_collider_heightfield(RID p_collider, const Transform3D &p_transform, const PagedArray<GeometryInstance *> &p_instances) {
+void RendererSceneRenderRD::render_particle_collider_heightfield(RID p_collider, const Transform3D &p_transform, const PagedArray<RenderGeometryInstance *> &p_instances) {
 	RendererRD::ParticlesStorage *particles_storage = RendererRD::ParticlesStorage::get_singleton();
 
 	ERR_FAIL_COND(!particles_storage->particles_collision_is_heightfield(p_collider));
@@ -4497,7 +4497,7 @@ TypedArray<Image> RendererSceneRenderRD::bake_render_uv2(RID p_base, const Vecto
 
 	//RID sampled_light;
 
-	GeometryInstance *gi = geometry_instance_create(p_base);
+	RenderGeometryInstance *gi = geometry_instance_create(p_base);
 
 	uint32_t sc = RSG::mesh_storage->mesh_get_surface_count(p_base);
 	Vector<RID> materials;
@@ -4509,7 +4509,7 @@ TypedArray<Image> RendererSceneRenderRD::bake_render_uv2(RID p_base, const Vecto
 		}
 	}
 
-	geometry_instance_set_surface_materials(gi, materials);
+	gi->set_surface_materials(materials);
 
 	if (cull_argument.size() == 0) {
 		cull_argument.push_back(nullptr);
diff --git a/servers/rendering/renderer_rd/renderer_scene_render_rd.h b/servers/rendering/renderer_rd/renderer_scene_render_rd.h
index cd56b8efb3..8b2c159660 100644
--- a/servers/rendering/renderer_rd/renderer_scene_render_rd.h
+++ b/servers/rendering/renderer_rd/renderer_scene_render_rd.h
@@ -69,7 +69,7 @@ struct RenderDataRD {
 	float z_near = 0.0;
 	float z_far = 0.0;
 
-	const PagedArray<RendererSceneRender::GeometryInstance *> *instances = nullptr;
+	const PagedArray<RenderGeometryInstance *> *instances = nullptr;
 	const PagedArray<RID> *lights = nullptr;
 	const PagedArray<RID> *reflection_probes = nullptr;
 	const PagedArray<RID> *voxel_gi_instances = nullptr;
@@ -122,14 +122,14 @@ protected:
 	virtual void _render_scene(RenderDataRD *p_render_data, const Color &p_default_color) = 0;
 
 	virtual void _render_shadow_begin() = 0;
-	virtual void _render_shadow_append(RID p_framebuffer, const PagedArray<GeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0.0, float p_screen_mesh_lod_threshold = 0.0, const Rect2i &p_rect = Rect2i(), bool p_flip_y = false, bool p_clear_region = true, bool p_begin = true, bool p_end = true, RendererScene::RenderInfo *p_render_info = nullptr) = 0;
+	virtual void _render_shadow_append(RID p_framebuffer, const PagedArray<RenderGeometryInstance *> &p_instances, const Projection &p_projection, const Transform3D &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip, bool p_use_pancake, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0.0, float p_screen_mesh_lod_threshold = 0.0, const Rect2i &p_rect = Rect2i(), bool p_flip_y = false, bool p_clear_region = true, bool p_begin = true, bool p_end = true, RendererScene::RenderInfo *p_render_info = nullptr) = 0;
 	virtual void _render_shadow_process() = 0;
 	virtual void _render_shadow_end(uint32_t p_barrier = RD::BARRIER_MASK_ALL) = 0;
 
-	virtual void _render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) = 0;
-	virtual void _render_uv2(const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) = 0;
-	virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<GeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) = 0;
-	virtual void _render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<GeometryInstance *> &p_instances) = 0;
+	virtual void _render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) = 0;
+	virtual void _render_uv2(const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) = 0;
+	virtual void _render_sdfgi(RID p_render_buffers, const Vector3i &p_from, const Vector3i &p_size, const AABB &p_bounds, const PagedArray<RenderGeometryInstance *> &p_instances, const RID &p_albedo_texture, const RID &p_emission_texture, const RID &p_emission_aniso_texture, const RID &p_geom_facing_texture) = 0;
+	virtual void _render_particle_collider_heightfield(RID p_fb, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const PagedArray<RenderGeometryInstance *> &p_instances) = 0;
 
 	void _debug_sdfgi_probes(RID p_render_buffers, RID p_framebuffer, uint32_t p_view_count, const Projection *p_camera_with_transforms, bool p_will_continue_color, bool p_will_continue_depth);
 	void _debug_draw_cluster(RID p_render_buffers);
@@ -161,8 +161,8 @@ protected:
 	void _disable_clear_request(const RenderDataRD *p_render_data);
 
 	// needed for a single argument calls (material and uv2)
-	PagedArrayPool<GeometryInstance *> cull_argument_pool;
-	PagedArray<GeometryInstance *> cull_argument; //need this to exist
+	PagedArrayPool<RenderGeometryInstance *> cull_argument_pool;
+	PagedArray<RenderGeometryInstance *> cull_argument; //need this to exist
 
 	RendererRD::SSEffects *ss_effects = nullptr;
 	RendererRD::GI gi;
@@ -750,7 +750,7 @@ private:
 
 	uint32_t max_cluster_elements = 512;
 
-	void _render_shadow_pass(RID p_light, RID p_shadow_atlas, int p_pass, const PagedArray<GeometryInstance *> &p_instances, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0, float p_screen_mesh_lod_threshold = 0.0, bool p_open_pass = true, bool p_close_pass = true, bool p_clear_region = true, RendererScene::RenderInfo *p_render_info = nullptr);
+	void _render_shadow_pass(RID p_light, RID p_shadow_atlas, int p_pass, const PagedArray<RenderGeometryInstance *> &p_instances, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0, float p_screen_mesh_lod_threshold = 0.0, bool p_open_pass = true, bool p_close_pass = true, bool p_clear_region = true, RendererScene::RenderInfo *p_render_info = nullptr);
 
 	/* Volumetric Fog */
 
@@ -761,9 +761,6 @@ private:
 	void _update_volumetric_fog(RID p_render_buffers, RID p_environment, const Projection &p_cam_projection, const Transform3D &p_cam_transform, const Transform3D &p_prev_cam_inv_transform, RID p_shadow_atlas, int p_directional_light_count, bool p_use_directional_shadows, int p_positional_light_count, int p_voxel_gi_count, const PagedArray<RID> &p_fog_volumes);
 
 public:
-	virtual Transform3D geometry_instance_get_transform(GeometryInstance *p_instance) = 0;
-	virtual AABB geometry_instance_get_aabb(GeometryInstance *p_instance) = 0;
-
 	/* GI */
 
 	RendererRD::GI *get_gi() { return &gi; }
@@ -1160,7 +1157,7 @@ public:
 	virtual RID voxel_gi_instance_create(RID p_base) override;
 	virtual void voxel_gi_instance_set_transform_to_data(RID p_probe, const Transform3D &p_xform) override;
 	virtual bool voxel_gi_needs_update(RID p_probe) const override;
-	virtual void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RendererSceneRender::GeometryInstance *> &p_dynamic_objects) override;
+	virtual void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects) override;
 	virtual void voxel_gi_set_quality(RS::VoxelGIQuality p_quality) override { gi.voxel_gi_quality = p_quality; }
 
 	/* render buffers */
@@ -1203,11 +1200,11 @@ public:
 
 	virtual void update_uniform_sets(){};
 
-	virtual void render_scene(RID p_render_buffers, const CameraData *p_camera_data, const CameraData *p_prev_camera_data, const PagedArray<GeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, const PagedArray<RID> &p_fog_volumes, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_occluder_debug_tex, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold, const RenderShadowData *p_render_shadows, int p_render_shadow_count, const RenderSDFGIData *p_render_sdfgi_regions, int p_render_sdfgi_region_count, const RenderSDFGIUpdateData *p_sdfgi_update_data = nullptr, RendererScene::RenderInfo *r_render_info = nullptr) override;
+	virtual void render_scene(RID p_render_buffers, const CameraData *p_camera_data, const CameraData *p_prev_camera_data, const PagedArray<RenderGeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, const PagedArray<RID> &p_fog_volumes, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_occluder_debug_tex, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold, const RenderShadowData *p_render_shadows, int p_render_shadow_count, const RenderSDFGIData *p_render_sdfgi_regions, int p_render_sdfgi_region_count, const RenderSDFGIUpdateData *p_sdfgi_update_data = nullptr, RendererScene::RenderInfo *r_render_info = nullptr) override;
 
-	virtual void render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
+	virtual void render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) override;
 
-	virtual void render_particle_collider_heightfield(RID p_collider, const Transform3D &p_transform, const PagedArray<GeometryInstance *> &p_instances) override;
+	virtual void render_particle_collider_heightfield(RID p_collider, const Transform3D &p_transform, const PagedArray<RenderGeometryInstance *> &p_instances) override;
 
 	virtual void set_scene_pass(uint64_t p_pass) override {
 		scene_pass = p_pass;
diff --git a/servers/rendering/renderer_scene_cull.cpp b/servers/rendering/renderer_scene_cull.cpp
index 7631be3669..7e9be504f8 100644
--- a/servers/rendering/renderer_scene_cull.cpp
+++ b/servers/rendering/renderer_scene_cull.cpp
@@ -475,7 +475,7 @@ void RendererSceneCull::_instance_update_mesh_instance(Instance *p_instance) {
 		}
 
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(p_instance->base_data);
-		scene_render->geometry_instance_set_mesh_instance(geom->geometry_instance, p_instance->mesh_instance);
+		geom->geometry_instance->set_mesh_instance(p_instance->mesh_instance);
 
 		if (p_instance->scenario && p_instance->array_index >= 0) {
 			InstanceData &idata = p_instance->scenario->instance_data[p_instance->array_index];
@@ -637,20 +637,20 @@ void RendererSceneCull::instance_set_base(RID p_instance, RID p_base) {
 				instance->base_data = geom;
 				geom->geometry_instance = scene_render->geometry_instance_create(p_base);
 
-				scene_render->geometry_instance_set_skeleton(geom->geometry_instance, instance->skeleton);
-				scene_render->geometry_instance_set_material_override(geom->geometry_instance, instance->material_override);
-				scene_render->geometry_instance_set_material_overlay(geom->geometry_instance, instance->material_overlay);
-				scene_render->geometry_instance_set_surface_materials(geom->geometry_instance, instance->materials);
-				scene_render->geometry_instance_set_transform(geom->geometry_instance, instance->transform, instance->aabb, instance->transformed_aabb);
-				scene_render->geometry_instance_set_layer_mask(geom->geometry_instance, instance->layer_mask);
-				scene_render->geometry_instance_set_lod_bias(geom->geometry_instance, instance->lod_bias);
-				scene_render->geometry_instance_set_use_baked_light(geom->geometry_instance, instance->baked_light);
-				scene_render->geometry_instance_set_use_dynamic_gi(geom->geometry_instance, instance->dynamic_gi);
-				scene_render->geometry_instance_set_cast_double_sided_shadows(geom->geometry_instance, instance->cast_shadows == RS::SHADOW_CASTING_SETTING_DOUBLE_SIDED);
-				scene_render->geometry_instance_set_use_lightmap(geom->geometry_instance, RID(), instance->lightmap_uv_scale, instance->lightmap_slice_index);
-				scene_render->geometry_instance_set_transparency(geom->geometry_instance, instance->transparency);
+				geom->geometry_instance->set_skeleton(instance->skeleton);
+				geom->geometry_instance->set_material_override(instance->material_override);
+				geom->geometry_instance->set_material_overlay(instance->material_overlay);
+				geom->geometry_instance->set_surface_materials(instance->materials);
+				geom->geometry_instance->set_transform(instance->transform, instance->aabb, instance->transformed_aabb);
+				geom->geometry_instance->set_layer_mask(instance->layer_mask);
+				geom->geometry_instance->set_lod_bias(instance->lod_bias);
+				geom->geometry_instance->set_transparency(instance->transparency);
+				geom->geometry_instance->set_use_baked_light(instance->baked_light);
+				geom->geometry_instance->set_use_dynamic_gi(instance->dynamic_gi);
+				geom->geometry_instance->set_use_lightmap(RID(), instance->lightmap_uv_scale, instance->lightmap_slice_index);
+				geom->geometry_instance->set_cast_double_sided_shadows(instance->cast_shadows == RS::SHADOW_CASTING_SETTING_DOUBLE_SIDED);
 				if (instance->lightmap_sh.size() == 9) {
-					scene_render->geometry_instance_set_lightmap_capture(geom->geometry_instance, instance->lightmap_sh.ptr());
+					geom->geometry_instance->set_lightmap_capture(instance->lightmap_sh.ptr());
 				}
 
 				for (Instance *E : instance->visibility_dependencies) {
@@ -836,7 +836,7 @@ void RendererSceneCull::instance_set_layer_mask(RID p_instance, uint32_t p_mask)
 
 	if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-		scene_render->geometry_instance_set_layer_mask(geom->geometry_instance, p_mask);
+		geom->geometry_instance->set_layer_mask(p_mask);
 	}
 }
 
@@ -848,7 +848,7 @@ void RendererSceneCull::instance_geometry_set_transparency(RID p_instance, float
 
 	if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-		scene_render->geometry_instance_set_transparency(geom->geometry_instance, p_transparency);
+		geom->geometry_instance->set_transparency(p_transparency);
 	}
 }
 
@@ -1009,7 +1009,7 @@ void RendererSceneCull::instance_attach_skeleton(RID p_instance, RID p_skeleton)
 		_instance_update_mesh_instance(instance);
 
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-		scene_render->geometry_instance_set_skeleton(geom->geometry_instance, p_skeleton);
+		geom->geometry_instance->set_skeleton(p_skeleton);
 	}
 }
 
@@ -1129,7 +1129,7 @@ void RendererSceneCull::instance_geometry_set_flag(RID p_instance, RS::InstanceF
 
 			if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 				InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-				scene_render->geometry_instance_set_use_baked_light(geom->geometry_instance, p_enabled);
+				geom->geometry_instance->set_use_baked_light(p_enabled);
 			}
 
 		} break;
@@ -1149,7 +1149,7 @@ void RendererSceneCull::instance_geometry_set_flag(RID p_instance, RS::InstanceF
 
 			if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 				InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-				scene_render->geometry_instance_set_use_dynamic_gi(geom->geometry_instance, p_enabled);
+				geom->geometry_instance->set_use_dynamic_gi(p_enabled);
 			}
 
 		} break;
@@ -1207,7 +1207,7 @@ void RendererSceneCull::instance_geometry_set_cast_shadows_setting(RID p_instanc
 
 	if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-		scene_render->geometry_instance_set_cast_double_sided_shadows(geom->geometry_instance, instance->cast_shadows == RS::SHADOW_CASTING_SETTING_DOUBLE_SIDED);
+		geom->geometry_instance->set_cast_double_sided_shadows(instance->cast_shadows == RS::SHADOW_CASTING_SETTING_DOUBLE_SIDED);
 	}
 
 	_instance_queue_update(instance, false, true);
@@ -1222,7 +1222,7 @@ void RendererSceneCull::instance_geometry_set_material_override(RID p_instance,
 
 	if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-		scene_render->geometry_instance_set_material_override(geom->geometry_instance, p_material);
+		geom->geometry_instance->set_material_override(p_material);
 	}
 }
 
@@ -1235,7 +1235,7 @@ void RendererSceneCull::instance_geometry_set_material_overlay(RID p_instance, R
 
 	if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-		scene_render->geometry_instance_set_material_overlay(geom->geometry_instance, p_material);
+		geom->geometry_instance->set_material_overlay(p_material);
 	}
 }
 
@@ -1358,9 +1358,9 @@ void RendererSceneCull::_update_instance_visibility_dependencies(Instance *p_ins
 				bool end_enabled = p_instance->visibility_range_end > 0.0f;
 				float end_min = p_instance->visibility_range_end - p_instance->visibility_range_end_margin;
 				float end_max = p_instance->visibility_range_end + p_instance->visibility_range_end_margin;
-				scene_render->geometry_instance_set_fade_range(idata.instance_geometry, begin_enabled, begin_min, begin_max, end_enabled, end_min, end_max);
+				idata.instance_geometry->set_fade_range(begin_enabled, begin_min, begin_max, end_enabled, end_min, end_max);
 			} else {
-				scene_render->geometry_instance_set_fade_range(idata.instance_geometry, false, 0.0f, 0.0f, false, 0.0f, 0.0f);
+				idata.instance_geometry->set_fade_range(false, 0.0f, 0.0f, false, 0.0f, 0.0f);
 			}
 		}
 
@@ -1375,7 +1375,7 @@ void RendererSceneCull::_update_instance_visibility_dependencies(Instance *p_ins
 		} else {
 			idata.parent_array_index = -1;
 			if (is_geometry_instance) {
-				scene_render->geometry_instance_set_parent_fade_alpha(idata.instance_geometry, 1.0f);
+				idata.instance_geometry->set_parent_fade_alpha(1.0f);
 			}
 		}
 	}
@@ -1407,7 +1407,7 @@ void RendererSceneCull::instance_geometry_set_lightmap(RID p_instance, RID p_lig
 
 	if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-		scene_render->geometry_instance_set_use_lightmap(geom->geometry_instance, lightmap_instance_rid, p_lightmap_uv_scale, p_slice_index);
+		geom->geometry_instance->set_use_lightmap(lightmap_instance_rid, p_lightmap_uv_scale, p_slice_index);
 	}
 }
 
@@ -1419,7 +1419,7 @@ void RendererSceneCull::instance_geometry_set_lod_bias(RID p_instance, float p_l
 
 	if ((1 << instance->base_type) & RS::INSTANCE_GEOMETRY_MASK && instance->base_data) {
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(instance->base_data);
-		scene_render->geometry_instance_set_lod_bias(geom->geometry_instance, p_lod_bias);
+		geom->geometry_instance->set_lod_bias(p_lod_bias);
 	}
 }
 
@@ -1587,11 +1587,11 @@ void RendererSceneCull::_update_instance(Instance *p_instance) {
 			if (!p_instance->lightmap_sh.is_empty()) {
 				p_instance->lightmap_sh.clear(); //don't need SH
 				p_instance->lightmap_target_sh.clear(); //don't need SH
-				scene_render->geometry_instance_set_lightmap_capture(geom->geometry_instance, nullptr);
+				geom->geometry_instance->set_lightmap_capture(nullptr);
 			}
 		}
 
-		scene_render->geometry_instance_set_transform(geom->geometry_instance, p_instance->transform, p_instance->aabb, p_instance->transformed_aabb);
+		geom->geometry_instance->set_transform(p_instance->transform, p_instance->aabb, p_instance->transformed_aabb);
 	}
 
 	// note: we had to remove is equal approx check here, it meant that det == 0.000004 won't work, which is the case for some of our scenes.
@@ -1818,10 +1818,10 @@ void RendererSceneCull::_unpair_instance(Instance *p_instance) {
 		// Clear these now because the InstanceData containing the dirty flags is gone
 		InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(p_instance->base_data);
 
-		scene_render->geometry_instance_pair_light_instances(geom->geometry_instance, nullptr, 0);
-		scene_render->geometry_instance_pair_reflection_probe_instances(geom->geometry_instance, nullptr, 0);
-		scene_render->geometry_instance_pair_decal_instances(geom->geometry_instance, nullptr, 0);
-		scene_render->geometry_instance_pair_voxel_gi_instances(geom->geometry_instance, nullptr, 0);
+		geom->geometry_instance->pair_light_instances(nullptr, 0);
+		geom->geometry_instance->pair_reflection_probe_instances(nullptr, 0);
+		geom->geometry_instance->pair_decal_instances(nullptr, 0);
+		geom->geometry_instance->pair_voxel_gi_instances(nullptr, 0);
 	}
 
 	for (Instance *E : p_instance->visibility_dependencies) {
@@ -1829,7 +1829,7 @@ void RendererSceneCull::_unpair_instance(Instance *p_instance) {
 		if (dep_instance->array_index != -1) {
 			dep_instance->scenario->instance_data[dep_instance->array_index].parent_array_index = -1;
 			if ((1 << dep_instance->base_type) & RS::INSTANCE_GEOMETRY_MASK) {
-				scene_render->geometry_instance_set_parent_fade_alpha(dep_instance->scenario->instance_data[dep_instance->array_index].instance_geometry, 1.0f);
+				dep_instance->scenario->instance_data[dep_instance->array_index].instance_geometry->set_parent_fade_alpha(1.0f);
 			}
 		}
 	}
@@ -1990,7 +1990,7 @@ void RendererSceneCull::_update_instance_lightmap_captures(Instance *p_instance)
 		}
 	}
 
-	scene_render->geometry_instance_set_lightmap_capture(geom->geometry_instance, p_instance->lightmap_sh.ptr());
+	geom->geometry_instance->set_lightmap_capture(p_instance->lightmap_sh.ptr());
 }
 
 void RendererSceneCull::_light_instance_setup_directional_shadow(int p_shadow_index, Instance *p_instance, const Transform3D p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, bool p_cam_vaspect) {
@@ -2742,7 +2742,7 @@ void RendererSceneCull::_scene_cull(CullData &cull_data, InstanceCullResult &cul
 							const int32_t &parent_idx = cull_data.scenario->instance_data[idata.parent_array_index].visibility_index;
 							fade = cull_data.scenario->instance_visibility[parent_idx].children_fade_alpha;
 						}
-						scene_render->geometry_instance_set_parent_fade_alpha(idata.instance_geometry, fade);
+						idata.instance_geometry->set_parent_fade_alpha(fade);
 					}
 
 					if (geometry_instance_pair_mask & (1 << RS::INSTANCE_LIGHT) && (idata.flags & InstanceData::FLAG_GEOM_LIGHTING_DIRTY)) {
@@ -2757,14 +2757,14 @@ void RendererSceneCull::_scene_cull(CullData &cull_data, InstanceCullResult &cul
 							}
 						}
 
-						scene_render->geometry_instance_pair_light_instances(geom->geometry_instance, instance_pair_buffer, idx);
+						geom->geometry_instance->pair_light_instances(instance_pair_buffer, idx);
 						idata.flags &= ~uint32_t(InstanceData::FLAG_GEOM_LIGHTING_DIRTY);
 					}
 
 					if (idata.flags & InstanceData::FLAG_GEOM_PROJECTOR_SOFTSHADOW_DIRTY) {
 						InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(idata.instance->base_data);
 
-						scene_render->geometry_instance_set_softshadow_projector_pairing(geom->geometry_instance, geom->softshadow_count > 0, geom->projector_count > 0);
+						geom->geometry_instance->set_softshadow_projector_pairing(geom->softshadow_count > 0, geom->projector_count > 0);
 						idata.flags &= ~uint32_t(InstanceData::FLAG_GEOM_PROJECTOR_SOFTSHADOW_DIRTY);
 					}
 
@@ -2781,7 +2781,7 @@ void RendererSceneCull::_scene_cull(CullData &cull_data, InstanceCullResult &cul
 							}
 						}
 
-						scene_render->geometry_instance_pair_reflection_probe_instances(geom->geometry_instance, instance_pair_buffer, idx);
+						geom->geometry_instance->pair_reflection_probe_instances(instance_pair_buffer, idx);
 						idata.flags &= ~uint32_t(InstanceData::FLAG_GEOM_REFLECTION_DIRTY);
 					}
 
@@ -2797,7 +2797,7 @@ void RendererSceneCull::_scene_cull(CullData &cull_data, InstanceCullResult &cul
 								break;
 							}
 						}
-						scene_render->geometry_instance_pair_decal_instances(geom->geometry_instance, instance_pair_buffer, idx);
+						geom->geometry_instance->pair_decal_instances(instance_pair_buffer, idx);
 						idata.flags &= ~uint32_t(InstanceData::FLAG_GEOM_DECAL_DIRTY);
 					}
 
@@ -2813,7 +2813,7 @@ void RendererSceneCull::_scene_cull(CullData &cull_data, InstanceCullResult &cul
 							}
 						}
 
-						scene_render->geometry_instance_pair_voxel_gi_instances(geom->geometry_instance, instance_pair_buffer, idx);
+						geom->geometry_instance->pair_voxel_gi_instances(instance_pair_buffer, idx);
 						idata.flags &= ~uint32_t(InstanceData::FLAG_GEOM_VOXEL_GI_DIRTY);
 					}
 
@@ -2824,7 +2824,7 @@ void RendererSceneCull::_scene_cull(CullData &cull_data, InstanceCullResult &cul
 						for (uint32_t j = 0; j < 9; j++) {
 							sh[j] = sh[j].lerp(target_sh[j], MIN(1.0, lightmap_probe_update_speed));
 						}
-						scene_render->geometry_instance_set_lightmap_capture(geom->geometry_instance, sh);
+						geom->geometry_instance->set_lightmap_capture(sh);
 						idata.instance->last_frame_pass = frame_number;
 					}
 
@@ -3245,7 +3245,7 @@ void RendererSceneCull::_render_scene(const RendererSceneRender::CameraData *p_c
 		render_sdfgi_data[i].instances.clear();
 	}
 
-	//	virtual void render_scene(RID p_render_buffers, const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold,const RenderShadowData *p_render_shadows,int p_render_shadow_count,const RenderSDFGIData *p_render_sdfgi_regions,int p_render_sdfgi_region_count,const RenderSDFGIStaticLightData *p_render_sdfgi_static_lights=nullptr) = 0;
+	//	virtual void render_scene(RID p_render_buffers, const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold,const RenderShadowData *p_render_shadows,int p_render_shadow_count,const RenderSDFGIData *p_render_sdfgi_regions,int p_render_sdfgi_region_count,const RenderSDFGIStaticLightData *p_render_sdfgi_static_lights=nullptr) = 0;
 }
 
 RID RendererSceneCull::_render_get_environment(RID p_camera, RID p_scenario) {
@@ -3284,7 +3284,7 @@ void RendererSceneCull::render_empty_scene(RID p_render_buffers, RID p_scenario,
 	RendererSceneRender::CameraData camera_data;
 	camera_data.set_camera(Transform3D(), Projection(), true, false);
 
-	scene_render->render_scene(p_render_buffers, &camera_data, &camera_data, PagedArray<RendererSceneRender::GeometryInstance *>(), PagedArray<RID>(), PagedArray<RID>(), PagedArray<RID>(), PagedArray<RID>(), PagedArray<RID>(), PagedArray<RID>(), RID(), RID(), p_shadow_atlas, RID(), scenario->reflection_atlas, RID(), 0, 0, nullptr, 0, nullptr, 0, nullptr);
+	scene_render->render_scene(p_render_buffers, &camera_data, &camera_data, PagedArray<RenderGeometryInstance *>(), PagedArray<RID>(), PagedArray<RID>(), PagedArray<RID>(), PagedArray<RID>(), PagedArray<RID>(), PagedArray<RID>(), RID(), RID(), p_shadow_atlas, RID(), scenario->reflection_atlas, RID(), 0, 0, nullptr, 0, nullptr, 0, nullptr);
 #endif
 }
 
@@ -3588,7 +3588,7 @@ void RendererSceneCull::render_probes() {
 					}
 				}
 
-				scene_render->geometry_instance_pair_voxel_gi_instances(geom->geometry_instance, instance_pair_buffer, idx);
+				geom->geometry_instance->pair_voxel_gi_instances(instance_pair_buffer, idx);
 
 				ins->scenario->instance_data[ins->array_index].flags &= ~uint32_t(InstanceData::FLAG_GEOM_VOXEL_GI_DIRTY);
 			}
@@ -3851,7 +3851,7 @@ void RendererSceneCull::_update_dirty_instance(Instance *p_instance) {
 				p_instance->instance_allocated_shader_parameters = (p_instance->instance_shader_parameters.size() > 0);
 				if (p_instance->instance_allocated_shader_parameters) {
 					p_instance->instance_allocated_shader_parameters_offset = RSG::material_storage->global_variables_instance_allocate(p_instance->self);
-					scene_render->geometry_instance_set_instance_shader_parameters_offset(geom->geometry_instance, p_instance->instance_allocated_shader_parameters_offset);
+					geom->geometry_instance->set_instance_shader_parameters_offset(p_instance->instance_allocated_shader_parameters_offset);
 
 					for (const KeyValue<StringName, Instance::InstanceShaderParameter> &E : p_instance->instance_shader_parameters) {
 						if (E.value.value.get_type() != Variant::NIL) {
@@ -3861,7 +3861,7 @@ void RendererSceneCull::_update_dirty_instance(Instance *p_instance) {
 				} else {
 					RSG::material_storage->global_variables_instance_free(p_instance->self);
 					p_instance->instance_allocated_shader_parameters_offset = -1;
-					scene_render->geometry_instance_set_instance_shader_parameters_offset(geom->geometry_instance, -1);
+					geom->geometry_instance->set_instance_shader_parameters_offset(-1);
 				}
 			}
 		}
@@ -3874,7 +3874,7 @@ void RendererSceneCull::_update_dirty_instance(Instance *p_instance) {
 
 		if ((1 << p_instance->base_type) & RS::INSTANCE_GEOMETRY_MASK) {
 			InstanceGeometryData *geom = static_cast<InstanceGeometryData *>(p_instance->base_data);
-			scene_render->geometry_instance_set_surface_materials(geom->geometry_instance, p_instance->materials);
+			geom->geometry_instance->set_surface_materials(p_instance->materials);
 		}
 	}
 
diff --git a/servers/rendering/renderer_scene_cull.h b/servers/rendering/renderer_scene_cull.h
index 9a46f6b873..851c7b6567 100644
--- a/servers/rendering/renderer_scene_cull.h
+++ b/servers/rendering/renderer_scene_cull.h
@@ -272,7 +272,7 @@ public:
 		RID base_rid;
 		union {
 			uint64_t instance_data_rid;
-			RendererSceneRender::GeometryInstance *instance_geometry;
+			RenderGeometryInstance *instance_geometry;
 			InstanceVisibilityNotifierData *visibility_notifier = nullptr;
 		};
 		Instance *instance = nullptr;
@@ -578,7 +578,7 @@ public:
 	void _instance_queue_update(Instance *p_instance, bool p_update_aabb, bool p_update_dependencies = false);
 
 	struct InstanceGeometryData : public InstanceBaseData {
-		RendererSceneRender::GeometryInstance *geometry_instance = nullptr;
+		RenderGeometryInstance *geometry_instance = nullptr;
 		HashSet<Instance *> lights;
 		bool can_cast_shadows;
 		bool material_is_animated;
@@ -782,14 +782,14 @@ public:
 	HashSet<Instance *> heightfield_particle_colliders_update_list;
 
 	PagedArrayPool<Instance *> instance_cull_page_pool;
-	PagedArrayPool<RendererSceneRender::GeometryInstance *> geometry_instance_cull_page_pool;
+	PagedArrayPool<RenderGeometryInstance *> geometry_instance_cull_page_pool;
 	PagedArrayPool<RID> rid_cull_page_pool;
 
 	PagedArray<Instance *> instance_cull_result;
 	PagedArray<Instance *> instance_shadow_cull_result;
 
 	struct InstanceCullResult {
-		PagedArray<RendererSceneRender::GeometryInstance *> geometry_instances;
+		PagedArray<RenderGeometryInstance *> geometry_instances;
 		PagedArray<Instance *> lights;
 		PagedArray<RID> light_instances;
 		PagedArray<RID> lightmaps;
@@ -800,10 +800,10 @@ public:
 		PagedArray<RID> fog_volumes;
 
 		struct DirectionalShadow {
-			PagedArray<RendererSceneRender::GeometryInstance *> cascade_geometry_instances[RendererSceneRender::MAX_DIRECTIONAL_LIGHT_CASCADES];
+			PagedArray<RenderGeometryInstance *> cascade_geometry_instances[RendererSceneRender::MAX_DIRECTIONAL_LIGHT_CASCADES];
 		} directional_shadows[RendererSceneRender::MAX_DIRECTIONAL_LIGHTS];
 
-		PagedArray<RendererSceneRender::GeometryInstance *> sdfgi_region_geometry_instances[SDFGI_MAX_CASCADES * SDFGI_MAX_REGIONS_PER_CASCADE];
+		PagedArray<RenderGeometryInstance *> sdfgi_region_geometry_instances[SDFGI_MAX_CASCADES * SDFGI_MAX_REGIONS_PER_CASCADE];
 		PagedArray<RID> sdfgi_cascade_lights[SDFGI_MAX_CASCADES];
 
 		void clear() {
@@ -882,7 +882,7 @@ public:
 			}
 		}
 
-		void init(PagedArrayPool<RID> *p_rid_pool, PagedArrayPool<RendererSceneRender::GeometryInstance *> *p_geometry_instance_pool, PagedArrayPool<Instance *> *p_instance_pool) {
+		void init(PagedArrayPool<RID> *p_rid_pool, PagedArrayPool<RenderGeometryInstance *> *p_geometry_instance_pool, PagedArrayPool<Instance *> *p_instance_pool) {
 			geometry_instances.set_page_pool(p_geometry_instance_pool);
 			light_instances.set_page_pool(p_rid_pool);
 			lights.set_page_pool(p_instance_pool);
diff --git a/servers/rendering/renderer_scene_render.cpp b/servers/rendering/renderer_scene_render.cpp
index c0ad0d1187..1edff261dc 100644
--- a/servers/rendering/renderer_scene_render.cpp
+++ b/servers/rendering/renderer_scene_render.cpp
@@ -30,6 +30,9 @@
 
 #include "renderer_scene_render.h"
 
+/////////////////////////////////////////////////////////////////////////////
+// CameraData
+
 void RendererSceneRender::CameraData::set_camera(const Transform3D p_transform, const Projection p_projection, bool p_is_orthogonal, bool p_vaspect, const Vector2 &p_taa_jitter) {
 	view_count = 1;
 	is_orthogonal = p_is_orthogonal;
diff --git a/servers/rendering/renderer_scene_render.h b/servers/rendering/renderer_scene_render.h
index 641e280511..dc328f3e11 100644
--- a/servers/rendering/renderer_scene_render.h
+++ b/servers/rendering/renderer_scene_render.h
@@ -33,7 +33,9 @@
 
 #include "core/math/projection.h"
 #include "core/templates/paged_array.h"
+#include "servers/rendering/renderer_geometry_instance.h"
 #include "servers/rendering/renderer_scene.h"
+#include "storage/utilities.h"
 
 class RendererSceneRender {
 public:
@@ -43,38 +45,11 @@ public:
 		MAX_RENDER_VIEWS = 2
 	};
 
-	struct GeometryInstance {
-		virtual ~GeometryInstance() {}
-	};
-
-	virtual GeometryInstance *geometry_instance_create(RID p_base) = 0;
-	virtual void geometry_instance_set_skeleton(GeometryInstance *p_geometry_instance, RID p_skeleton) = 0;
-	virtual void geometry_instance_set_material_override(GeometryInstance *p_geometry_instance, RID p_override) = 0;
-	virtual void geometry_instance_set_material_overlay(GeometryInstance *p_geometry_instance, RID p_override) = 0;
-	virtual void geometry_instance_set_surface_materials(GeometryInstance *p_geometry_instance, const Vector<RID> &p_material) = 0;
-	virtual void geometry_instance_set_mesh_instance(GeometryInstance *p_geometry_instance, RID p_mesh_instance) = 0;
-	virtual void geometry_instance_set_transform(GeometryInstance *p_geometry_instance, const Transform3D &p_transform, const AABB &p_aabb, const AABB &p_transformed_aabbb) = 0;
-	virtual void geometry_instance_set_layer_mask(GeometryInstance *p_geometry_instance, uint32_t p_layer_mask) = 0;
-	virtual void geometry_instance_set_lod_bias(GeometryInstance *p_geometry_instance, float p_lod_bias) = 0;
-	virtual void geometry_instance_set_transparency(GeometryInstance *p_geometry_instance, float p_transparency) = 0;
-	virtual void geometry_instance_set_fade_range(GeometryInstance *p_geometry_instance, bool p_enable_near, float p_near_begin, float p_near_end, bool p_enable_far, float p_far_begin, float p_far_end) = 0;
-	virtual void geometry_instance_set_parent_fade_alpha(GeometryInstance *p_geometry_instance, float p_alpha) = 0;
-	virtual void geometry_instance_set_use_baked_light(GeometryInstance *p_geometry_instance, bool p_enable) = 0;
-	virtual void geometry_instance_set_use_dynamic_gi(GeometryInstance *p_geometry_instance, bool p_enable) = 0;
-	virtual void geometry_instance_set_use_lightmap(GeometryInstance *p_geometry_instance, RID p_lightmap_instance, const Rect2 &p_lightmap_uv_scale, int p_lightmap_slice_index) = 0;
-	virtual void geometry_instance_set_lightmap_capture(GeometryInstance *p_geometry_instance, const Color *p_sh9) = 0;
-	virtual void geometry_instance_set_instance_shader_parameters_offset(GeometryInstance *p_geometry_instance, int32_t p_offset) = 0;
-	virtual void geometry_instance_set_cast_double_sided_shadows(GeometryInstance *p_geometry_instance, bool p_enable) = 0;
+	/* Geometry Instance */
 
+	virtual RenderGeometryInstance *geometry_instance_create(RID p_base) = 0;
+	virtual void geometry_instance_free(RenderGeometryInstance *p_geometry_instance) = 0;
 	virtual uint32_t geometry_instance_get_pair_mask() = 0;
-	virtual void geometry_instance_pair_light_instances(GeometryInstance *p_geometry_instance, const RID *p_light_instances, uint32_t p_light_instance_count) = 0;
-	virtual void geometry_instance_pair_reflection_probe_instances(GeometryInstance *p_geometry_instance, const RID *p_reflection_probe_instances, uint32_t p_reflection_probe_instance_count) = 0;
-	virtual void geometry_instance_pair_decal_instances(GeometryInstance *p_geometry_instance, const RID *p_decal_instances, uint32_t p_decal_instance_count) = 0;
-	virtual void geometry_instance_pair_voxel_gi_instances(GeometryInstance *p_geometry_instance, const RID *p_voxel_gi_instances, uint32_t p_voxel_gi_instance_count) = 0;
-
-	virtual void geometry_instance_set_softshadow_projector_pairing(GeometryInstance *p_geometry_instance, bool p_softshadow, bool p_projector) = 0;
-
-	virtual void geometry_instance_free(GeometryInstance *p_geometry_instance) = 0;
 
 	/* SHADOW ATLAS API */
 
@@ -205,19 +180,19 @@ public:
 	virtual RID voxel_gi_instance_create(RID p_voxel_gi) = 0;
 	virtual void voxel_gi_instance_set_transform_to_data(RID p_probe, const Transform3D &p_xform) = 0;
 	virtual bool voxel_gi_needs_update(RID p_probe) const = 0;
-	virtual void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<GeometryInstance *> &p_dynamic_objects) = 0;
+	virtual void voxel_gi_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RenderGeometryInstance *> &p_dynamic_objects) = 0;
 
 	virtual void voxel_gi_set_quality(RS::VoxelGIQuality) = 0;
 
 	struct RenderShadowData {
 		RID light;
 		int pass = 0;
-		PagedArray<GeometryInstance *> instances;
+		PagedArray<RenderGeometryInstance *> instances;
 	};
 
 	struct RenderSDFGIData {
 		int region = 0;
-		PagedArray<GeometryInstance *> instances;
+		PagedArray<RenderGeometryInstance *> instances;
 	};
 
 	struct RenderSDFGIUpdateData {
@@ -249,10 +224,10 @@ public:
 		void set_multiview_camera(uint32_t p_view_count, const Transform3D *p_transforms, const Projection *p_projections, bool p_is_orthogonal, bool p_vaspect);
 	};
 
-	virtual void render_scene(RID p_render_buffers, const CameraData *p_camera_data, const CameraData *p_prev_camera_data, const PagedArray<GeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, const PagedArray<RID> &p_fog_volumes, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_occluder_debug_tex, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold, const RenderShadowData *p_render_shadows, int p_render_shadow_count, const RenderSDFGIData *p_render_sdfgi_regions, int p_render_sdfgi_region_count, const RenderSDFGIUpdateData *p_sdfgi_update_data = nullptr, RendererScene::RenderInfo *r_render_info = nullptr) = 0;
+	virtual void render_scene(RID p_render_buffers, const CameraData *p_camera_data, const CameraData *p_prev_camera_data, const PagedArray<RenderGeometryInstance *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_voxel_gi_instances, const PagedArray<RID> &p_decals, const PagedArray<RID> &p_lightmaps, const PagedArray<RID> &p_fog_volumes, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_occluder_debug_tex, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_mesh_lod_threshold, const RenderShadowData *p_render_shadows, int p_render_shadow_count, const RenderSDFGIData *p_render_sdfgi_regions, int p_render_sdfgi_region_count, const RenderSDFGIUpdateData *p_sdfgi_update_data = nullptr, RendererScene::RenderInfo *r_render_info = nullptr) = 0;
 
-	virtual void render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<GeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) = 0;
-	virtual void render_particle_collider_heightfield(RID p_collider, const Transform3D &p_transform, const PagedArray<GeometryInstance *> &p_instances) = 0;
+	virtual void render_material(const Transform3D &p_cam_transform, const Projection &p_cam_projection, bool p_cam_orthogonal, const PagedArray<RenderGeometryInstance *> &p_instances, RID p_framebuffer, const Rect2i &p_region) = 0;
+	virtual void render_particle_collider_heightfield(RID p_collider, const Transform3D &p_transform, const PagedArray<RenderGeometryInstance *> &p_instances) = 0;
 
 	virtual void set_scene_pass(uint64_t p_pass) = 0;
 	virtual void set_time(double p_time, double p_step) = 0;