1 files changed, 221 insertions, 128 deletions

diff --git a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
index 885c1a69dc..357e7c8d8a 100644
--- a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
@@ -1276,14 +1276,26 @@ void RendererSceneRenderRD::sdfgi_update_probes(RID p_render_buffers, RID p_envi
 		push_constant.multibounce = rb->sdfgi->uses_multibounce;
 		push_constant.y_mult = rb->sdfgi->y_mult;
 
-		push_constant.process_offset = 0;
-		push_constant.process_increment = 1;
-
 		for (uint32_t i = 0; i < rb->sdfgi->cascades.size(); i++) {
 			SDFGI::Cascade &cascade = rb->sdfgi->cascades[i];
 			push_constant.light_count = cascade_light_count[i];
 			push_constant.cascade = i;
 
+			if (rb->sdfgi->cascades[i].all_dynamic_lights_dirty || sdfgi_frames_to_update_light == RS::ENV_SDFGI_UPDATE_LIGHT_IN_1_FRAME) {
+				push_constant.process_offset = 0;
+				push_constant.process_increment = 1;
+			} else {
+				static uint32_t frames_to_update_table[RS::ENV_SDFGI_UPDATE_LIGHT_MAX] = {
+					1, 2, 4, 8, 16
+				};
+
+				uint32_t frames_to_update = frames_to_update_table[sdfgi_frames_to_update_light];
+
+				push_constant.process_offset = RSG::rasterizer->get_frame_number() % frames_to_update;
+				push_constant.process_increment = frames_to_update;
+			}
+			rb->sdfgi->cascades[i].all_dynamic_lights_dirty = false;
+
 			RD::get_singleton()->compute_list_bind_uniform_set(compute_list, cascade.sdf_direct_light_uniform_set, 0);
 			RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(SDGIShader::DirectLightPushConstant));
 			RD::get_singleton()->compute_list_dispatch_indirect(compute_list, cascade.solid_cell_dispatch_buffer, 0);
@@ -1301,7 +1313,7 @@ void RendererSceneRenderRD::sdfgi_update_probes(RID p_render_buffers, RID p_envi
 	push_constant.probe_axis_size = rb->sdfgi->probe_axis_count;
 	push_constant.history_index = rb->sdfgi->render_pass % rb->sdfgi->history_size;
 	push_constant.history_size = rb->sdfgi->history_size;
-	static const uint32_t ray_count[RS::ENV_SDFGI_RAY_COUNT_MAX] = { 8, 16, 32, 64, 96, 128 };
+	static const uint32_t ray_count[RS::ENV_SDFGI_RAY_COUNT_MAX] = { 4, 8, 16, 32, 64, 96, 128 };
 	push_constant.ray_count = ray_count[sdfgi_ray_count];
 	push_constant.ray_bias = rb->sdfgi->probe_bias;
 	push_constant.image_size[0] = rb->sdfgi->probe_axis_count * rb->sdfgi->probe_axis_count;
@@ -1492,13 +1504,35 @@ void RendererSceneRenderRD::_setup_giprobes(RID p_render_buffers, const Transfor
 	}
 }
 
-void RendererSceneRenderRD::_process_gi(RID p_render_buffers, RID p_normal_roughness_buffer, RID p_ambient_buffer, RID p_reflection_buffer, RID p_gi_probe_buffer, RID p_environment, const CameraMatrix &p_projection, const Transform &p_transform, const PagedArray<RID> &p_gi_probes) {
+void RendererSceneRenderRD::_process_gi(RID p_render_buffers, RID p_normal_roughness_buffer, RID p_gi_probe_buffer, RID p_environment, const CameraMatrix &p_projection, const Transform &p_transform, const PagedArray<RID> &p_gi_probes) {
 	RENDER_TIMESTAMP("Render GI");
 
 	RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
 	ERR_FAIL_COND(rb == nullptr);
 	Environment *env = environment_owner.getornull(p_environment);
 
+	if (rb->ambient_buffer.is_null() || rb->using_half_size_gi != gi.half_resolution) {
+		if (rb->ambient_buffer.is_valid()) {
+			RD::get_singleton()->free(rb->ambient_buffer);
+			RD::get_singleton()->free(rb->reflection_buffer);
+		}
+
+		RD::TextureFormat tf;
+		tf.format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT;
+		tf.width = rb->width;
+		tf.height = rb->height;
+		if (gi.half_resolution) {
+			tf.width >>= 1;
+			tf.height >>= 1;
+		}
+		tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT;
+		rb->reflection_buffer = RD::get_singleton()->texture_create(tf, RD::TextureView());
+		rb->ambient_buffer = RD::get_singleton()->texture_create(tf, RD::TextureView());
+		rb->using_half_size_gi = gi.half_resolution;
+
+		_render_buffers_uniform_set_changed(p_render_buffers);
+	}
+
 	GI::PushConstant push_constant;
 
 	push_constant.screen_size[0] = rb->width;
@@ -1693,7 +1727,7 @@ void RendererSceneRenderRD::_process_gi(RID p_render_buffers, RID p_normal_rough
 			RD::Uniform u;
 			u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
 			u.binding = 9;
-			u.ids.push_back(p_ambient_buffer);
+			u.ids.push_back(rb->ambient_buffer);
 			uniforms.push_back(u);
 		}
 
@@ -1701,7 +1735,7 @@ void RendererSceneRenderRD::_process_gi(RID p_render_buffers, RID p_normal_rough
 			RD::Uniform u;
 			u.uniform_type = RD::UNIFORM_TYPE_IMAGE;
 			u.binding = 10;
-			u.ids.push_back(p_reflection_buffer);
+			u.ids.push_back(rb->reflection_buffer);
 			uniforms.push_back(u);
 		}
 
@@ -1765,12 +1799,23 @@ void RendererSceneRenderRD::_process_gi(RID p_render_buffers, RID p_normal_rough
 		rb->gi_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, gi.shader.version_get_shader(gi.shader_version, 0), 0);
 	}
 
-	GI::Mode mode = (use_sdfgi && use_giprobes) ? GI::MODE_COMBINED : (use_sdfgi ? GI::MODE_SDFGI : GI::MODE_GIPROBE);
+	GI::Mode mode;
+
+	if (rb->using_half_size_gi) {
+		mode = (use_sdfgi && use_giprobes) ? GI::MODE_HALF_RES_COMBINED : (use_sdfgi ? GI::MODE_HALF_RES_SDFGI : GI::MODE_HALF_RES_GIPROBE);
+	} else {
+		mode = (use_sdfgi && use_giprobes) ? GI::MODE_COMBINED : (use_sdfgi ? GI::MODE_SDFGI : GI::MODE_GIPROBE);
+	}
 	RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
 	RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, gi.pipelines[mode]);
 	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, rb->gi_uniform_set, 0);
 	RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(GI::PushConstant));
-	RD::get_singleton()->compute_list_dispatch_threads(compute_list, rb->width, rb->height, 1, 8, 8, 1);
+
+	if (rb->using_half_size_gi) {
+		RD::get_singleton()->compute_list_dispatch_threads(compute_list, rb->width >> 1, rb->height >> 1, 1, 8, 8, 1);
+	} else {
+		RD::get_singleton()->compute_list_dispatch_threads(compute_list, rb->width, rb->height, 1, 8, 8, 1);
+	}
 	RD::get_singleton()->compute_list_end();
 }
 
@@ -3105,6 +3150,9 @@ void RendererSceneRenderRD::environment_set_sdfgi_ray_count(RS::EnvironmentSDFGI
 void RendererSceneRenderRD::environment_set_sdfgi_frames_to_converge(RS::EnvironmentSDFGIFramesToConverge p_frames) {
 	sdfgi_frames_to_converge = p_frames;
 }
+void RendererSceneRenderRD::environment_set_sdfgi_frames_to_update_light(RS::EnvironmentSDFGIFramesToUpdateLight p_update) {
+	sdfgi_frames_to_update_light = p_update;
+}
 
 void RendererSceneRenderRD::environment_set_ssr(RID p_env, bool p_enable, int p_max_steps, float p_fade_int, float p_fade_out, float p_depth_tolerance) {
 	Environment *env = environment_owner.getornull(p_env);
@@ -3516,13 +3564,28 @@ RID RendererSceneRenderRD::shadow_atlas_create() {
 	return shadow_atlas_owner.make_rid(ShadowAtlas());
 }
 
-void RendererSceneRenderRD::shadow_atlas_set_size(RID p_atlas, int p_size) {
+void RendererSceneRenderRD::_update_shadow_atlas(ShadowAtlas *shadow_atlas) {
+	if (shadow_atlas->size > 0 && shadow_atlas->depth.is_null()) {
+		RD::TextureFormat tf;
+		tf.format = shadow_atlas->use_16_bits ? RD::DATA_FORMAT_D16_UNORM : RD::DATA_FORMAT_D32_SFLOAT;
+		tf.width = shadow_atlas->size;
+		tf.height = shadow_atlas->size;
+		tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
+
+		shadow_atlas->depth = RD::get_singleton()->texture_create(tf, RD::TextureView());
+		Vector<RID> fb_tex;
+		fb_tex.push_back(shadow_atlas->depth);
+		shadow_atlas->fb = RD::get_singleton()->framebuffer_create(fb_tex);
+	}
+}
+
+void RendererSceneRenderRD::shadow_atlas_set_size(RID p_atlas, int p_size, bool p_16_bits) {
 	ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_atlas);
 	ERR_FAIL_COND(!shadow_atlas);
 	ERR_FAIL_COND(p_size < 0);
 	p_size = next_power_of_2(p_size);
 
-	if (p_size == shadow_atlas->size) {
+	if (p_size == shadow_atlas->size && p_16_bits == shadow_atlas->use_16_bits) {
 		return;
 	}
 
@@ -3549,16 +3612,7 @@ void RendererSceneRenderRD::shadow_atlas_set_size(RID p_atlas, int p_size) {
 	shadow_atlas->shadow_owners.clear();
 
 	shadow_atlas->size = p_size;
-
-	if (shadow_atlas->size) {
-		RD::TextureFormat tf;
-		tf.format = RD::DATA_FORMAT_R32_SFLOAT;
-		tf.width = shadow_atlas->size;
-		tf.height = shadow_atlas->size;
-		tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT;
-
-		shadow_atlas->depth = RD::get_singleton()->texture_create(tf, RD::TextureView());
-	}
+	shadow_atlas->use_16_bits = p_size;
 }
 
 void RendererSceneRenderRD::shadow_atlas_set_quadrant_subdivision(RID p_atlas, int p_quadrant, int p_subdivision) {
@@ -3813,10 +3867,24 @@ bool RendererSceneRenderRD::shadow_atlas_update_light(RID p_atlas, RID p_light_i
 	return false;
 }
 
-void RendererSceneRenderRD::directional_shadow_atlas_set_size(int p_size) {
+void RendererSceneRenderRD::_update_directional_shadow_atlas() {
+	if (directional_shadow.depth.is_null() && directional_shadow.size > 0) {
+		RD::TextureFormat tf;
+		tf.format = directional_shadow.use_16_bits ? RD::DATA_FORMAT_D16_UNORM : RD::DATA_FORMAT_D32_SFLOAT;
+		tf.width = directional_shadow.size;
+		tf.height = directional_shadow.size;
+		tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
+
+		directional_shadow.depth = RD::get_singleton()->texture_create(tf, RD::TextureView());
+		Vector<RID> fb_tex;
+		fb_tex.push_back(directional_shadow.depth);
+		directional_shadow.fb = RD::get_singleton()->framebuffer_create(fb_tex);
+	}
+}
+void RendererSceneRenderRD::directional_shadow_atlas_set_size(int p_size, bool p_16_bits) {
 	p_size = nearest_power_of_2_templated(p_size);
 
-	if (directional_shadow.size == p_size) {
+	if (directional_shadow.size == p_size && directional_shadow.use_16_bits == p_16_bits) {
 		return;
 	}
 
@@ -3826,19 +3894,8 @@ void RendererSceneRenderRD::directional_shadow_atlas_set_size(int p_size) {
 		RD::get_singleton()->free(directional_shadow.depth);
 		_clear_shadow_shrink_stages(directional_shadow.shrink_stages);
 		directional_shadow.depth = RID();
+		_base_uniforms_changed();
 	}
-
-	if (p_size > 0) {
-		RD::TextureFormat tf;
-		tf.format = RD::DATA_FORMAT_R32_SFLOAT;
-		tf.width = p_size;
-		tf.height = p_size;
-		tf.usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT;
-
-		directional_shadow.depth = RD::get_singleton()->texture_create(tf, RD::TextureView());
-	}
-
-	_base_uniforms_changed();
 }
 
 void RendererSceneRenderRD::set_directional_shadow_count(int p_count) {
@@ -4008,29 +4065,6 @@ RendererSceneRenderRD::ShadowCubemap *RendererSceneRenderRD::_get_shadow_cubemap
 	return &shadow_cubemaps[p_size];
 }
 
-RendererSceneRenderRD::ShadowMap *RendererSceneRenderRD::_get_shadow_map(const Size2i &p_size) {
-	if (!shadow_maps.has(p_size)) {
-		ShadowMap sm;
-		{
-			RD::TextureFormat tf;
-			tf.format = RD::get_singleton()->texture_is_format_supported_for_usage(RD::DATA_FORMAT_D32_SFLOAT, RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) ? RD::DATA_FORMAT_D32_SFLOAT : RD::DATA_FORMAT_X8_D24_UNORM_PACK32;
-			tf.width = p_size.width;
-			tf.height = p_size.height;
-			tf.usage_bits = RD::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT;
-
-			sm.depth = RD::get_singleton()->texture_create(tf, RD::TextureView());
-		}
-
-		Vector<RID> fbtex;
-		fbtex.push_back(sm.depth);
-		sm.fb = RD::get_singleton()->framebuffer_create(fbtex);
-
-		shadow_maps[p_size] = sm;
-	}
-
-	return &shadow_maps[p_size];
-}
-
 //////////////////////////
 
 RID RendererSceneRenderRD::decal_instance_create(RID p_decal) {
@@ -5159,6 +5193,13 @@ void RendererSceneRenderRD::_free_render_buffer_data(RenderBuffers *rb) {
 		RD::get_singleton()->free(rb->ssr.normal_scaled);
 		rb->ssr.normal_scaled = RID();
 	}
+
+	if (rb->ambient_buffer.is_valid()) {
+		RD::get_singleton()->free(rb->ambient_buffer);
+		RD::get_singleton()->free(rb->reflection_buffer);
+		rb->ambient_buffer = RID();
+		rb->reflection_buffer = RID();
+	}
 }
 
 void RendererSceneRenderRD::_process_sss(RID p_render_buffers, const CameraMatrix &p_camera) {
@@ -5558,10 +5599,10 @@ void RendererSceneRenderRD::_render_buffers_debug_draw(RID p_render_buffers, RID
 		effects->copy_to_fb_rect(_render_buffers_get_normal_texture(p_render_buffers), storage->render_target_get_rd_framebuffer(rb->render_target), Rect2(Vector2(), rtsize), false, false);
 	}
 
-	if (debug_draw == RS::VIEWPORT_DEBUG_DRAW_GI_BUFFER && _render_buffers_get_ambient_texture(p_render_buffers).is_valid()) {
+	if (debug_draw == RS::VIEWPORT_DEBUG_DRAW_GI_BUFFER && rb->ambient_buffer.is_valid()) {
 		Size2 rtsize = storage->render_target_get_size(rb->render_target);
-		RID ambient_texture = _render_buffers_get_ambient_texture(p_render_buffers);
-		RID reflection_texture = _render_buffers_get_reflection_texture(p_render_buffers);
+		RID ambient_texture = rb->ambient_buffer;
+		RID reflection_texture = rb->reflection_buffer;
 		effects->copy_to_fb_rect(ambient_texture, storage->render_target_get_rd_framebuffer(rb->render_target), Rect2(Vector2(), rtsize), false, false, false, true, reflection_texture);
 	}
 }
@@ -5753,6 +5794,17 @@ RID RendererSceneRenderRD::render_buffers_get_default_gi_probe_buffer() {
 	return default_giprobe_buffer;
 }
 
+RID RendererSceneRenderRD::render_buffers_get_gi_ambient_texture(RID p_render_buffers) {
+	RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
+	ERR_FAIL_COND_V(!rb, RID());
+	return rb->ambient_buffer;
+}
+RID RendererSceneRenderRD::render_buffers_get_gi_reflection_texture(RID p_render_buffers) {
+	RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
+	ERR_FAIL_COND_V(!rb, RID());
+	return rb->reflection_buffer;
+}
+
 uint32_t RendererSceneRenderRD::render_buffers_get_sdfgi_cascade_count(RID p_render_buffers) const {
 	const RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
 	ERR_FAIL_COND_V(!rb, 0);
@@ -5939,6 +5991,10 @@ void RendererSceneRenderRD::render_buffers_configure(RID p_render_buffers, RID p
 	rb->cluster_builder->setup(Size2i(p_width, p_height), max_cluster_elements, rb->depth_texture, storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED), rb->texture);
 }
 
+void RendererSceneRenderRD::gi_set_use_half_resolution(bool p_enable) {
+	gi.half_resolution = p_enable;
+}
+
 void RendererSceneRenderRD::sub_surface_scattering_set_quality(RS::SubSurfaceScatteringQuality p_quality) {
 	sss_quality = p_quality;
 }
@@ -7386,26 +7442,31 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 	ERR_FAIL_COND(!light_instance);
 
 	Rect2i atlas_rect;
-	RID atlas_texture;
+	uint32_t atlas_size;
+	RID atlas_fb;
 
 	bool using_dual_paraboloid = false;
 	bool using_dual_paraboloid_flip = false;
-	float znear = 0;
-	float zfar = 0;
 	RID render_fb;
 	RID render_texture;
-	float bias = 0;
-	float normal_bias = 0;
+	float zfar;
 
 	bool use_pancake = false;
-	bool use_linear_depth = false;
 	bool render_cubemap = false;
 	bool finalize_cubemap = false;
 
+	bool flip_y = false;
+
 	CameraMatrix light_projection;
 	Transform light_transform;
 
+	bool clear_region = true;
+	bool begin_texture = true;
+	bool end_texture = true;
+
 	if (storage->light_get_type(light_instance->light) == RS::LIGHT_DIRECTIONAL) {
+		_update_directional_shadow_atlas();
+
 		//set pssm stuff
 		if (light_instance->last_scene_shadow_pass != scene_pass) {
 			light_instance->directional_rect = _get_directional_shadow_rect(directional_shadow.size, directional_shadow.light_count, directional_shadow.current_light);
@@ -7422,6 +7483,7 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 		atlas_rect.size.width = light_instance->directional_rect.size.x;
 		atlas_rect.size.height = light_instance->directional_rect.size.y;
 
+		int pass_count = 1;
 		if (storage->light_directional_get_shadow_mode(light_instance->light) == RS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_4_SPLITS) {
 			atlas_rect.size.width /= 2;
 			atlas_rect.size.height /= 2;
@@ -7434,7 +7496,7 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 				atlas_rect.position.x += atlas_rect.size.width;
 				atlas_rect.position.y += atlas_rect.size.height;
 			}
-
+			pass_count = 4;
 		} else if (storage->light_directional_get_shadow_mode(light_instance->light) == RS::LIGHT_DIRECTIONAL_SHADOW_PARALLEL_2_SPLITS) {
 			atlas_rect.size.height /= 2;
 
@@ -7442,6 +7504,7 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 			} else {
 				atlas_rect.position.y += atlas_rect.size.height;
 			}
+			pass_count = 2;
 		}
 
 		light_instance->shadow_transform[p_pass].atlas_rect = atlas_rect;
@@ -7449,15 +7512,15 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 		light_instance->shadow_transform[p_pass].atlas_rect.position /= directional_shadow.size;
 		light_instance->shadow_transform[p_pass].atlas_rect.size /= directional_shadow.size;
 
-		float bias_mult = light_instance->shadow_transform[p_pass].bias_scale;
 		zfar = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_RANGE);
-		bias = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_SHADOW_BIAS) * bias_mult;
-		normal_bias = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS) * bias_mult;
 
-		ShadowMap *shadow_map = _get_shadow_map(atlas_rect.size);
-		render_fb = shadow_map->fb;
-		render_texture = shadow_map->depth;
-		atlas_texture = directional_shadow.depth;
+		render_fb = directional_shadow.fb;
+		render_texture = RID();
+		flip_y = true;
+
+		clear_region = false;
+		begin_texture = (directional_shadow.current_light == 1) && (p_pass == 0); //light is 1-index because it was incremented above
+		end_texture = (directional_shadow.current_light == directional_shadow.light_count) && (p_pass == pass_count - 1);
 
 	} else {
 		//set from shadow atlas
@@ -7466,6 +7529,8 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 		ERR_FAIL_COND(!shadow_atlas);
 		ERR_FAIL_COND(!shadow_atlas->shadow_owners.has(p_light));
 
+		_update_shadow_atlas(shadow_atlas);
+
 		uint32_t key = shadow_atlas->shadow_owners[p_light];
 
 		uint32_t quadrant = (key >> ShadowAtlas::QUADRANT_SHIFT) & 0x3;
@@ -7484,11 +7549,8 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 
 		atlas_rect.size.width = shadow_size;
 		atlas_rect.size.height = shadow_size;
-		atlas_texture = shadow_atlas->depth;
 
 		zfar = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_RANGE);
-		bias = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_SHADOW_BIAS);
-		normal_bias = storage->light_get_param(light_instance->light, RS::LIGHT_PARAM_SHADOW_NORMAL_BIAS);
 
 		if (storage->light_get_type(light_instance->light) == RS::LIGHT_OMNI) {
 			if (storage->light_omni_get_shadow_mode(light_instance->light) == RS::LIGHT_OMNI_SHADOW_CUBE) {
@@ -7501,6 +7563,10 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 				light_transform = light_instance->shadow_transform[0].transform;
 				render_cubemap = true;
 				finalize_cubemap = p_pass == 5;
+				atlas_fb = shadow_atlas->fb;
+
+				atlas_size = shadow_atlas->size;
+				clear_region = false;
 
 			} else {
 				light_projection = light_instance->shadow_transform[0].camera;
@@ -7511,22 +7577,17 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 
 				using_dual_paraboloid = true;
 				using_dual_paraboloid_flip = p_pass == 1;
-
-				ShadowMap *shadow_map = _get_shadow_map(atlas_rect.size);
-				render_fb = shadow_map->fb;
-				render_texture = shadow_map->depth;
+				render_fb = shadow_atlas->fb;
+				flip_y = true;
 			}
 
 		} else if (storage->light_get_type(light_instance->light) == RS::LIGHT_SPOT) {
 			light_projection = light_instance->shadow_transform[0].camera;
 			light_transform = light_instance->shadow_transform[0].transform;
 
-			ShadowMap *shadow_map = _get_shadow_map(atlas_rect.size);
-			render_fb = shadow_map->fb;
-			render_texture = shadow_map->depth;
+			render_fb = shadow_atlas->fb;
 
-			znear = light_instance->shadow_transform[0].camera.get_z_near();
-			use_linear_depth = true;
+			flip_y = true;
 		}
 	}
 
@@ -7535,25 +7596,19 @@ void RendererSceneRenderRD::render_shadow(RID p_light, RID p_shadow_atlas, int p
 		_render_shadow(render_fb, p_instances, light_projection, light_transform, zfar, 0, 0, false, false, use_pancake, p_camera_plane, p_lod_distance_multiplier, p_screen_lod_threshold);
 		if (finalize_cubemap) {
 			//reblit
-			atlas_rect.size.height /= 2;
-			storage->get_effects()->copy_cubemap_to_dp(render_texture, atlas_texture, atlas_rect, light_projection.get_z_near(), light_projection.get_z_far(), 0.0, false);
-			atlas_rect.position.y += atlas_rect.size.height;
-			storage->get_effects()->copy_cubemap_to_dp(render_texture, atlas_texture, atlas_rect, light_projection.get_z_near(), light_projection.get_z_far(), 0.0, true);
+			Rect2 atlas_rect_norm = atlas_rect;
+			atlas_rect_norm.position.x /= float(atlas_size);
+			atlas_rect_norm.position.y /= float(atlas_size);
+			atlas_rect_norm.size.x /= float(atlas_size);
+			atlas_rect_norm.size.y /= float(atlas_size);
+			atlas_rect_norm.size.height /= 2;
+			storage->get_effects()->copy_cubemap_to_dp(render_texture, atlas_fb, atlas_rect_norm, light_projection.get_z_near(), light_projection.get_z_far(), false);
+			atlas_rect_norm.position.y += atlas_rect_norm.size.height;
+			storage->get_effects()->copy_cubemap_to_dp(render_texture, atlas_fb, atlas_rect_norm, light_projection.get_z_near(), light_projection.get_z_far(), true);
 		}
 	} else {
 		//render shadow
-
-		_render_shadow(render_fb, p_instances, light_projection, light_transform, zfar, bias, normal_bias, using_dual_paraboloid, using_dual_paraboloid_flip, use_pancake, p_camera_plane, p_lod_distance_multiplier, p_screen_lod_threshold);
-
-		//copy to atlas
-		if (use_linear_depth) {
-			storage->get_effects()->copy_depth_to_rect_and_linearize(render_texture, atlas_texture, atlas_rect, true, znear, zfar);
-		} else {
-			storage->get_effects()->copy_depth_to_rect(render_texture, atlas_texture, atlas_rect, true);
-		}
-
-		//does not work from depth to color
-		//RD::get_singleton()->texture_copy(render_texture, atlas_texture, Vector3(0, 0, 0), Vector3(atlas_rect.position.x, atlas_rect.position.y, 0), Vector3(atlas_rect.size.x, atlas_rect.size.y, 1), 0, 0, 0, 0, true);
+		_render_shadow(render_fb, p_instances, light_projection, light_transform, zfar, 0, 0, using_dual_paraboloid, using_dual_paraboloid_flip, use_pancake, p_camera_plane, p_lod_distance_multiplier, p_screen_lod_threshold, atlas_rect, flip_y, clear_region, begin_texture, end_texture);
 	}
 }
 
@@ -7609,6 +7664,9 @@ void RendererSceneRenderRD::render_sdfgi(RID p_render_buffers, int p_region, con
 			push_constant.scroll[1] = 0;
 			push_constant.scroll[2] = 0;
 		}
+
+		rb->sdfgi->cascades[cascade].all_dynamic_lights_dirty = true;
+
 		push_constant.grid_size = rb->sdfgi->cascade_size;
 		push_constant.cascade = cascade;
 
@@ -7684,6 +7742,23 @@ void RendererSceneRenderRD::render_sdfgi(RID p_render_buffers, int p_region, con
 				RD::get_singleton()->compute_list_bind_uniform_set(compute_list, sdfgi_shader.integrate_default_sky_uniform_set, 1);
 				RD::get_singleton()->compute_list_set_push_constant(compute_list, &ipush_constant, sizeof(SDGIShader::IntegratePushConstant));
 				RD::get_singleton()->compute_list_dispatch_threads(compute_list, rb->sdfgi->probe_axis_count * rb->sdfgi->probe_axis_count, rb->sdfgi->probe_axis_count, 1, 8, 8, 1);
+
+				RD::get_singleton()->compute_list_add_barrier(compute_list);
+
+				if (rb->sdfgi->uses_multibounce) {
+					//multibounce requires this to be stored so direct light can read from it
+
+					RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, sdfgi_shader.integrate_pipeline[SDGIShader::INTEGRATE_MODE_STORE]);
+
+					//convert to octahedral to store
+					ipush_constant.image_size[0] *= SDFGI::LIGHTPROBE_OCT_SIZE;
+					ipush_constant.image_size[1] *= SDFGI::LIGHTPROBE_OCT_SIZE;
+
+					RD::get_singleton()->compute_list_bind_uniform_set(compute_list, rb->sdfgi->cascades[cascade].integrate_uniform_set, 0);
+					RD::get_singleton()->compute_list_bind_uniform_set(compute_list, sdfgi_shader.integrate_default_sky_uniform_set, 1);
+					RD::get_singleton()->compute_list_set_push_constant(compute_list, &ipush_constant, sizeof(SDGIShader::IntegratePushConstant));
+					RD::get_singleton()->compute_list_dispatch_threads(compute_list, rb->sdfgi->probe_axis_count * rb->sdfgi->probe_axis_count * SDFGI::LIGHTPROBE_OCT_SIZE, rb->sdfgi->probe_axis_count * SDFGI::LIGHTPROBE_OCT_SIZE, 1, 8, 8, 1);
+				}
 			}
 
 			//ok finally barrier
@@ -7922,25 +7997,8 @@ void RendererSceneRenderRD::render_sdfgi_static_lights(RID p_render_buffers, uin
 
 	_sdfgi_update_cascades(p_render_buffers); //need cascades updated for this
 
-	RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
-
-	RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, sdfgi_shader.direct_light_pipeline[SDGIShader::DIRECT_LIGHT_MODE_STATIC]);
-
-	SDGIShader::DirectLightPushConstant dl_push_constant;
-
-	dl_push_constant.grid_size[0] = rb->sdfgi->cascade_size;
-	dl_push_constant.grid_size[1] = rb->sdfgi->cascade_size;
-	dl_push_constant.grid_size[2] = rb->sdfgi->cascade_size;
-	dl_push_constant.max_cascades = rb->sdfgi->cascades.size();
-	dl_push_constant.probe_axis_size = rb->sdfgi->probe_axis_count;
-	dl_push_constant.multibounce = false; // this is static light, do not multibounce yet
-	dl_push_constant.y_mult = rb->sdfgi->y_mult;
-
-	//all must be processed
-	dl_push_constant.process_offset = 0;
-	dl_push_constant.process_increment = 1;
-
 	SDGIShader::Light lights[SDFGI::MAX_STATIC_LIGHTS];
+	uint32_t light_count[SDFGI::MAX_STATIC_LIGHTS];
 
 	for (uint32_t i = 0; i < p_cascade_count; i++) {
 		ERR_CONTINUE(p_cascade_indices[i] >= rb->sdfgi->cascades.size());
@@ -8005,9 +8063,36 @@ void RendererSceneRenderRD::render_sdfgi_static_lights(RID p_render_buffers, uin
 			if (idx > 0) {
 				RD::get_singleton()->buffer_update(cc.lights_buffer, 0, idx * sizeof(SDGIShader::Light), lights, true);
 			}
-			dl_push_constant.light_count = idx;
+
+			light_count[i] = idx;
 		}
+	}
 
+	/* Static Lights */
+	RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
+
+	RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, sdfgi_shader.direct_light_pipeline[SDGIShader::DIRECT_LIGHT_MODE_STATIC]);
+
+	SDGIShader::DirectLightPushConstant dl_push_constant;
+
+	dl_push_constant.grid_size[0] = rb->sdfgi->cascade_size;
+	dl_push_constant.grid_size[1] = rb->sdfgi->cascade_size;
+	dl_push_constant.grid_size[2] = rb->sdfgi->cascade_size;
+	dl_push_constant.max_cascades = rb->sdfgi->cascades.size();
+	dl_push_constant.probe_axis_size = rb->sdfgi->probe_axis_count;
+	dl_push_constant.multibounce = false; // this is static light, do not multibounce yet
+	dl_push_constant.y_mult = rb->sdfgi->y_mult;
+
+	//all must be processed
+	dl_push_constant.process_offset = 0;
+	dl_push_constant.process_increment = 1;
+
+	for (uint32_t i = 0; i < p_cascade_count; i++) {
+		ERR_CONTINUE(p_cascade_indices[i] >= rb->sdfgi->cascades.size());
+
+		SDFGI::Cascade &cc = rb->sdfgi->cascades[p_cascade_indices[i]];
+
+		dl_push_constant.light_count = light_count[i];
 		dl_push_constant.cascade = p_cascade_indices[i];
 
 		if (dl_push_constant.light_count > 0) {
@@ -8299,7 +8384,13 @@ RendererSceneRenderRD::RendererSceneRenderRD(RendererStorageRD *p_storage) {
 	roughness_layers = GLOBAL_GET("rendering/quality/reflections/roughness_layers");
 	sky_ggx_samples_quality = GLOBAL_GET("rendering/quality/reflections/ggx_samples");
 	sky_use_cubemap_array = GLOBAL_GET("rendering/quality/reflections/texture_array_reflections");
-	//	sky_use_cubemap_array = false;
+
+	sdfgi_ray_count = RS::EnvironmentSDFGIRayCount(CLAMP(int32_t(GLOBAL_GET("rendering/sdfgi/probe_ray_count")), 0, int32_t(RS::ENV_SDFGI_RAY_COUNT_MAX - 1)));
+	sdfgi_frames_to_converge = RS::EnvironmentSDFGIFramesToConverge(CLAMP(int32_t(GLOBAL_GET("rendering/sdfgi/frames_to_converge")), 0, int32_t(RS::ENV_SDFGI_CONVERGE_MAX - 1)));
+	sdfgi_frames_to_update_light = RS::EnvironmentSDFGIFramesToUpdateLight(CLAMP(int32_t(GLOBAL_GET("rendering/sdfgi/frames_to_update_lights")), 0, int32_t(RS::ENV_SDFGI_UPDATE_LIGHT_MAX - 1)));
+
+	directional_shadow.size = GLOBAL_GET("rendering/quality/directional_shadow/size");
+	directional_shadow.use_16_bits = GLOBAL_GET("rendering/quality/directional_shadow/16_bits");
 
 	uint32_t textures_per_stage = RD::get_singleton()->limit_get(RD::LIMIT_MAX_TEXTURES_PER_SHADER_STAGE);
 
@@ -8632,9 +8723,12 @@ RendererSceneRenderRD::RendererSceneRenderRD(RendererStorageRD *p_storage) {
 			//calculate tables
 			String defines = "\n#define SDFGI_OCT_SIZE " + itos(SDFGI::LIGHTPROBE_OCT_SIZE) + "\n";
 			Vector<String> gi_modes;
-			gi_modes.push_back("\n#define USE_GIPROBE\n");
+			gi_modes.push_back("\n#define USE_GIPROBES\n");
 			gi_modes.push_back("\n#define USE_SDFGI\n");
-			gi_modes.push_back("\n#define USE_SDFGI\n\n#define USE_GIPROBE\n");
+			gi_modes.push_back("\n#define USE_SDFGI\n\n#define USE_GIPROBES\n");
+			gi_modes.push_back("\n#define MODE_HALF_RES\n#define USE_GIPROBES\n");
+			gi_modes.push_back("\n#define MODE_HALF_RES\n#define USE_SDFGI\n");
+			gi_modes.push_back("\n#define MODE_HALF_RES\n#define USE_SDFGI\n\n#define USE_GIPROBES\n");
 
 			gi.shader.initialize(gi_modes, defines);
 			gi.shader_version = gi.shader.version_create();
@@ -8766,12 +8860,11 @@ RendererSceneRenderRD::RendererSceneRenderRD(RendererStorageRD *p_storage) {
 	environment_set_volumetric_fog_positional_shadow_shrink_size(GLOBAL_GET("rendering/volumetric_fog/positional_shadow_shrink"));
 
 	cull_argument.set_page_pool(&cull_argument_pool);
+
+	gi.half_resolution = GLOBAL_GET("rendering/quality/gi/use_half_resolution");
 }
 
 RendererSceneRenderRD::~RendererSceneRenderRD() {
-	for (Map<Vector2i, ShadowMap>::Element *E = shadow_maps.front(); E; E = E->next()) {
-		RD::get_singleton()->free(E->get().depth);
-	}
 	for (Map<int, ShadowCubemap>::Element *E = shadow_cubemaps.front(); E; E = E->next()) {
 		RD::get_singleton()->free(E->get().cubemap);
 	}