Add FidelityFX Super Resolution 2.2 (FSR 2.2.1) support.

Introduces support for FSR2 as a new upscaler option available from the project settings.

doc/classes/RenderingServer.xml

@@ -4507,7 +4507,10 @@
 		<constant name="VIEWPORT_SCALING_3D_MODE_FSR" value="1" enum="ViewportScaling3DMode">
 			Use AMD FidelityFX Super Resolution 1.0 upscaling for the viewport's 3D buffer. The amount of scaling can be set using [member Viewport.scaling_3d_scale]. Values less than [code]1.0[/code] will be result in the viewport being upscaled using FSR. Values greater than [code]1.0[/code] are not supported and bilinear downsampling will be used instead. A value of [code]1.0[/code] disables scaling.
 		</constant>
-		<constant name="VIEWPORT_SCALING_3D_MODE_MAX" value="2" enum="ViewportScaling3DMode">
+		<constant name="VIEWPORT_SCALING_3D_MODE_FSR2" value="2" enum="ViewportScaling3DMode">
+			Use AMD FidelityFX Super Resolution 2.2 upscaling for the viewport's 3D buffer. The amount of scaling can be set using [member Viewport.scaling_3d_scale]. Values less than [code]1.0[/code] will be result in the viewport being upscaled using FSR2. Values greater than [code]1.0[/code] are not supported and bilinear downsampling will be used instead. A value of [code]1.0[/code] will use FSR2 at native resolution as a TAA solution.
+		</constant>
+		<constant name="VIEWPORT_SCALING_3D_MODE_MAX" value="3" enum="ViewportScaling3DMode">
 			Represents the size of the [enum ViewportScaling3DMode] enum.
 		</constant>
 		<constant name="VIEWPORT_UPDATE_DISABLED" value="0" enum="ViewportUpdateMode">
@@ -4708,6 +4711,9 @@
 		<constant name="VIEWPORT_DEBUG_DRAW_MOTION_VECTORS" value="25" enum="ViewportDebugDraw">
 			Draws the motion vectors buffer. This is used by temporal antialiasing to correct for motion that occurs during gameplay.
 		</constant>
+		<constant name="VIEWPORT_DEBUG_DRAW_INTERNAL_BUFFER" value="26" enum="ViewportDebugDraw">
+			Internal buffer is drawn instead of regular scene so you can see the per-pixel output that will be used by post-processing effects.
+		</constant>
 		<constant name="VIEWPORT_VRS_DISABLED" value="0" enum="ViewportVRSMode">
 			Variable rate shading is disabled.
 		</constant>

doc/classes/Viewport.xml

@@ -442,7 +442,10 @@
 		<constant name="SCALING_3D_MODE_FSR" value="1" enum="Scaling3DMode">
 			Use AMD FidelityFX Super Resolution 1.0 upscaling for the viewport's 3D buffer. The amount of scaling can be set using [member scaling_3d_scale]. Values less than [code]1.0[/code] will be result in the viewport being upscaled using FSR. Values greater than [code]1.0[/code] are not supported and bilinear downsampling will be used instead. A value of [code]1.0[/code] disables scaling.
 		</constant>
-		<constant name="SCALING_3D_MODE_MAX" value="2" enum="Scaling3DMode">
+		<constant name="SCALING_3D_MODE_FSR2" value="2" enum="Scaling3DMode">
+			Use AMD FidelityFX Super Resolution 2.2 upscaling for the viewport's 3D buffer. The amount of scaling can be set using [member Viewport.scaling_3d_scale]. Values less than [code]1.0[/code] will be result in the viewport being upscaled using FSR2. Values greater than [code]1.0[/code] are not supported and bilinear downsampling will be used instead. A value of [code]1.0[/code] will use FSR2 at native resolution as a TAA solution.
+		</constant>
+		<constant name="SCALING_3D_MODE_MAX" value="3" enum="Scaling3DMode">
 			Represents the size of the [enum Scaling3DMode] enum.
 		</constant>
 		<constant name="MSAA_DISABLED" value="0" enum="MSAA">
@@ -552,6 +555,9 @@
 		</constant>
 		<constant name="DEBUG_DRAW_MOTION_VECTORS" value="25" enum="DebugDraw">
 		</constant>
+		<constant name="DEBUG_DRAW_INTERNAL_BUFFER" value="26" enum="DebugDraw">
+			Draws the internal resolution buffer of the scene before post-processing is applied.
+		</constant>
 		<constant name="DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_NEAREST" value="0" enum="DefaultCanvasItemTextureFilter">
 			The texture filter reads from the nearest pixel only. The simplest and fastest method of filtering, but the texture will look pixelized.
 		</constant>

drivers/vulkan/rendering_device_vulkan.cpp

@@ -5750,8 +5750,8 @@ RID RenderingDeviceVulkan::uniform_set_create(const Vector<Uniform> &p_uniforms,
 				Buffer *buffer = uniform_buffer_owner.get_or_null(uniform.get_id(0));
 				ERR_FAIL_COND_V_MSG(!buffer, RID(), "Uniform buffer supplied (binding: " + itos(uniform.binding) + ") is invalid.");
 
-				ERR_FAIL_COND_V_MSG(buffer->size != (uint32_t)set_uniform.length, RID(),
-						"Uniform buffer supplied (binding: " + itos(uniform.binding) + ") size (" + itos(buffer->size) + " does not match size of shader uniform: (" + itos(set_uniform.length) + ").");
+				ERR_FAIL_COND_V_MSG(buffer->size < (uint32_t)set_uniform.length, RID(),
+						"Uniform buffer supplied (binding: " + itos(uniform.binding) + ") size (" + itos(buffer->size) + " is smaller than size of shader uniform: (" + itos(set_uniform.length) + ").");
 
 				write.dstArrayElement = 0;
 				write.descriptorCount = 1;
@@ -9550,6 +9550,14 @@ uint64_t RenderingDeviceVulkan::limit_get(Limit p_limit) const {
 			VulkanContext::SubgroupCapabilities subgroup_capabilities = context->get_subgroup_capabilities();
 			return subgroup_capabilities.size;
 		}
+		case LIMIT_SUBGROUP_MIN_SIZE: {
+			VulkanContext::SubgroupCapabilities subgroup_capabilities = context->get_subgroup_capabilities();
+			return subgroup_capabilities.min_size;
+		}
+		case LIMIT_SUBGROUP_MAX_SIZE: {
+			VulkanContext::SubgroupCapabilities subgroup_capabilities = context->get_subgroup_capabilities();
+			return subgroup_capabilities.max_size;
+		}
 		case LIMIT_SUBGROUP_IN_SHADERS: {
 			VulkanContext::SubgroupCapabilities subgroup_capabilities = context->get_subgroup_capabilities();
 			return subgroup_capabilities.supported_stages_flags_rd();

drivers/vulkan/vulkan_context.cpp

@@ -503,6 +503,7 @@ Error VulkanContext::_initialize_device_extensions() {
 	register_requested_device_extension(VK_KHR_16BIT_STORAGE_EXTENSION_NAME, false);
 	register_requested_device_extension(VK_KHR_IMAGE_FORMAT_LIST_EXTENSION_NAME, false);
 	register_requested_device_extension(VK_KHR_MAINTENANCE_2_EXTENSION_NAME, false);
+	register_requested_device_extension(VK_EXT_SUBGROUP_SIZE_CONTROL_EXTENSION_NAME, false);
 
 	if (Engine::get_singleton()->is_generate_spirv_debug_info_enabled()) {
 		register_requested_device_extension(VK_KHR_SHADER_NON_SEMANTIC_INFO_EXTENSION_NAME, true);
@@ -738,9 +739,12 @@ Error VulkanContext::_check_capabilities() {
 	multiview_capabilities.max_view_count = 0;
 	multiview_capabilities.max_instance_count = 0;
 	subgroup_capabilities.size = 0;
+	subgroup_capabilities.min_size = 0;
+	subgroup_capabilities.max_size = 0;
 	subgroup_capabilities.supportedStages = 0;
 	subgroup_capabilities.supportedOperations = 0;
 	subgroup_capabilities.quadOperationsInAllStages = false;
+	subgroup_capabilities.size_control_is_supported = false;
 	shader_capabilities.shader_float16_is_supported = false;
 	shader_capabilities.shader_int8_is_supported = false;
 	storage_buffer_capabilities.storage_buffer_16_bit_access_is_supported = false;
@@ -871,6 +875,7 @@ Error VulkanContext::_check_capabilities() {
 			VkPhysicalDeviceFragmentShadingRatePropertiesKHR vrsProperties{};
 			VkPhysicalDeviceMultiviewProperties multiviewProperties{};
 			VkPhysicalDeviceSubgroupProperties subgroupProperties{};
+			VkPhysicalDeviceSubgroupSizeControlProperties subgroupSizeControlProperties = {};
 			VkPhysicalDeviceProperties2 physicalDeviceProperties{};
 			void *nextptr = nullptr;
 
@@ -879,6 +884,15 @@ Error VulkanContext::_check_capabilities() {
 				subgroupProperties.pNext = nextptr;
 
 				nextptr = &subgroupProperties;
+
+				subgroup_capabilities.size_control_is_supported = is_device_extension_enabled(VK_EXT_SUBGROUP_SIZE_CONTROL_EXTENSION_NAME);
+
+				if (subgroup_capabilities.size_control_is_supported) {
+					subgroupSizeControlProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_SIZE_CONTROL_PROPERTIES;
+					subgroupSizeControlProperties.pNext = nextptr;
+
+					nextptr = &subgroupSizeControlProperties;
+				}
 			}
 
 			if (multiview_capabilities.is_supported) {
@@ -901,13 +915,20 @@ Error VulkanContext::_check_capabilities() {
 			device_properties_func(gpu, &physicalDeviceProperties);
 
 			subgroup_capabilities.size = subgroupProperties.subgroupSize;
+			subgroup_capabilities.min_size = subgroupProperties.subgroupSize;
+			subgroup_capabilities.max_size = subgroupProperties.subgroupSize;
 			subgroup_capabilities.supportedStages = subgroupProperties.supportedStages;
 			subgroup_capabilities.supportedOperations = subgroupProperties.supportedOperations;
 			// Note: quadOperationsInAllStages will be true if:
 			// - supportedStages has VK_SHADER_STAGE_ALL_GRAPHICS + VK_SHADER_STAGE_COMPUTE_BIT.
 			// - supportedOperations has VK_SUBGROUP_FEATURE_QUAD_BIT.
 			subgroup_capabilities.quadOperationsInAllStages = subgroupProperties.quadOperationsInAllStages;
 
+			if (subgroup_capabilities.size_control_is_supported && (subgroupSizeControlProperties.requiredSubgroupSizeStages & VK_SHADER_STAGE_COMPUTE_BIT)) {
+				subgroup_capabilities.min_size = subgroupSizeControlProperties.minSubgroupSize;
+				subgroup_capabilities.max_size = subgroupSizeControlProperties.maxSubgroupSize;
+			}
+
 			if (vrs_capabilities.pipeline_vrs_supported || vrs_capabilities.primitive_vrs_supported || vrs_capabilities.attachment_vrs_supported) {
 				print_verbose("- Vulkan Variable Rate Shading supported:");
 				if (vrs_capabilities.pipeline_vrs_supported) {
@@ -947,6 +968,8 @@ Error VulkanContext::_check_capabilities() {
 
 			print_verbose("- Vulkan subgroup:");
 			print_verbose("  size: " + itos(subgroup_capabilities.size));
+			print_verbose("  min size: " + itos(subgroup_capabilities.min_size));
+			print_verbose("  max size: " + itos(subgroup_capabilities.max_size));
 			print_verbose("  stages: " + subgroup_capabilities.supported_stages_desc());
 			print_verbose("  supported ops: " + subgroup_capabilities.supported_operations_desc());
 			if (subgroup_capabilities.quadOperationsInAllStages) {

drivers/vulkan/vulkan_context.h

@@ -52,9 +52,12 @@ class VulkanContext {
 public:
 	struct SubgroupCapabilities {
 		uint32_t size;
+		uint32_t min_size;
+		uint32_t max_size;
 		VkShaderStageFlags supportedStages;
 		VkSubgroupFeatureFlags supportedOperations;
 		VkBool32 quadOperationsInAllStages;
+		bool size_control_is_supported;
 
 		uint32_t supported_stages_flags_rd() const;
 		String supported_stages_desc() const;

editor/plugins/node_3d_editor_plugin.cpp

@@ -3475,7 +3475,8 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 		case VIEW_DISPLAY_DEBUG_CLUSTER_DECALS:
 		case VIEW_DISPLAY_DEBUG_CLUSTER_REFLECTION_PROBES:
 		case VIEW_DISPLAY_DEBUG_OCCLUDERS:
-		case VIEW_DISPLAY_MOTION_VECTORS: {
+		case VIEW_DISPLAY_MOTION_VECTORS:
+		case VIEW_DISPLAY_INTERNAL_BUFFER: {
 			static const int display_options[] = {
 				VIEW_DISPLAY_NORMAL,
 				VIEW_DISPLAY_WIREFRAME,
@@ -3503,6 +3504,7 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 				VIEW_DISPLAY_DEBUG_CLUSTER_REFLECTION_PROBES,
 				VIEW_DISPLAY_DEBUG_OCCLUDERS,
 				VIEW_DISPLAY_MOTION_VECTORS,
+				VIEW_DISPLAY_INTERNAL_BUFFER,
 				VIEW_MAX
 			};
 			static const Viewport::DebugDraw debug_draw_modes[] = {
@@ -3532,6 +3534,7 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 				Viewport::DEBUG_DRAW_CLUSTER_REFLECTION_PROBES,
 				Viewport::DEBUG_DRAW_OCCLUDERS,
 				Viewport::DEBUG_DRAW_MOTION_VECTORS,
+				Viewport::DEBUG_DRAW_INTERNAL_BUFFER,
 			};
 
 			for (int idx = 0; display_options[idx] != VIEW_MAX; idx++) {
@@ -5115,6 +5118,7 @@ Node3DEditorViewport::Node3DEditorViewport(Node3DEditor *p_spatial_editor, int p
 	display_submenu->add_radio_check_item(TTR("ReflectionProbe Cluster"), VIEW_DISPLAY_DEBUG_CLUSTER_REFLECTION_PROBES);
 	display_submenu->add_radio_check_item(TTR("Occlusion Culling Buffer"), VIEW_DISPLAY_DEBUG_OCCLUDERS);
 	display_submenu->add_radio_check_item(TTR("Motion Vectors"), VIEW_DISPLAY_MOTION_VECTORS);
+	display_submenu->add_radio_check_item(TTR("Internal Buffer"), VIEW_DISPLAY_INTERNAL_BUFFER);
 
 	display_submenu->set_name("display_advanced");
 	view_menu->get_popup()->add_submenu_item(TTR("Display Advanced..."), "display_advanced", VIEW_DISPLAY_ADVANCED);

editor/plugins/node_3d_editor_plugin.h

@@ -155,6 +155,7 @@ class Node3DEditorViewport : public Control {
 		VIEW_DISPLAY_DEBUG_CLUSTER_REFLECTION_PROBES,
 		VIEW_DISPLAY_DEBUG_OCCLUDERS,
 		VIEW_DISPLAY_MOTION_VECTORS,
+		VIEW_DISPLAY_INTERNAL_BUFFER,
 		VIEW_DISPLAY_MAX,
 		// > Keep in sync with menu.
 

scene/main/viewport.cpp

@@ -4502,7 +4502,7 @@ void Viewport::_bind_methods() {
 
 #ifndef _3D_DISABLED
 	ADD_GROUP("Scaling 3D", "");
-	ADD_PROPERTY(PropertyInfo(Variant::INT, "scaling_3d_mode", PROPERTY_HINT_ENUM, "Bilinear (Fastest),FSR 1.0 (Fast)"), "set_scaling_3d_mode", "get_scaling_3d_mode");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "scaling_3d_mode", PROPERTY_HINT_ENUM, "Bilinear (Fastest),FSR 1.0 (Fast),FSR 2.2 (Slow)"), "set_scaling_3d_mode", "get_scaling_3d_mode");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "scaling_3d_scale", PROPERTY_HINT_RANGE, "0.25,2.0,0.01"), "set_scaling_3d_scale", "get_scaling_3d_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "texture_mipmap_bias", PROPERTY_HINT_RANGE, "-2,2,0.001"), "set_texture_mipmap_bias", "get_texture_mipmap_bias");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "fsr_sharpness", PROPERTY_HINT_RANGE, "0,2,0.1"), "set_fsr_sharpness", "get_fsr_sharpness");
@@ -4553,6 +4553,7 @@ void Viewport::_bind_methods() {
 
 	BIND_ENUM_CONSTANT(SCALING_3D_MODE_BILINEAR);
 	BIND_ENUM_CONSTANT(SCALING_3D_MODE_FSR);
+	BIND_ENUM_CONSTANT(SCALING_3D_MODE_FSR2);
 	BIND_ENUM_CONSTANT(SCALING_3D_MODE_MAX);
 
 	BIND_ENUM_CONSTANT(MSAA_DISABLED);
@@ -4600,6 +4601,7 @@ void Viewport::_bind_methods() {
 	BIND_ENUM_CONSTANT(DEBUG_DRAW_CLUSTER_REFLECTION_PROBES);
 	BIND_ENUM_CONSTANT(DEBUG_DRAW_OCCLUDERS)
 	BIND_ENUM_CONSTANT(DEBUG_DRAW_MOTION_VECTORS)
+	BIND_ENUM_CONSTANT(DEBUG_DRAW_INTERNAL_BUFFER);
 
 	BIND_ENUM_CONSTANT(DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_NEAREST);
 	BIND_ENUM_CONSTANT(DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_LINEAR);

scene/main/viewport.h

@@ -98,6 +98,7 @@ class Viewport : public Node {
 	enum Scaling3DMode {
 		SCALING_3D_MODE_BILINEAR,
 		SCALING_3D_MODE_FSR,
+		SCALING_3D_MODE_FSR2,
 		SCALING_3D_MODE_MAX
 	};
 
@@ -167,6 +168,7 @@ class Viewport : public Node {
 		DEBUG_DRAW_CLUSTER_REFLECTION_PROBES,
 		DEBUG_DRAW_OCCLUDERS,
 		DEBUG_DRAW_MOTION_VECTORS,
+		DEBUG_DRAW_INTERNAL_BUFFER,
 	};
 
 	enum DefaultCanvasItemTextureFilter {

servers/rendering/renderer_rd/effects/SCsub

@@ -2,4 +2,33 @@
 
 Import("env")
 
-env.add_source_files(env.servers_sources, "*.cpp")
+env_effects = env.Clone()
+
+# Thirdparty source files
+
+thirdparty_obj = []
+
+thirdparty_dir = "#thirdparty/amd-fsr2/"
+thirdparty_sources = ["ffx_assert.cpp", "ffx_fsr2.cpp"]
+thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
+
+env_effects.Prepend(CPPPATH=[thirdparty_dir])
+
+# This flag doesn't actually control anything GCC specific in FSR2. It determines
+# if symbols should be exported, which is not required for Godot.
+env_effects.Append(CPPDEFINES=["FFX_GCC"])
+
+env_thirdparty = env_effects.Clone()
+env_thirdparty.disable_warnings()
+env_thirdparty.add_source_files(thirdparty_obj, thirdparty_sources)
+env.servers_sources += thirdparty_obj
+
+# Godot source files
+
+module_obj = []
+
+env_effects.add_source_files(module_obj, "*.cpp")
+env.servers_sources += module_obj
+
+# Needed to force rebuilding the module files when the thirdparty library is updated.
+env.Depends(module_obj, thirdparty_obj)

servers/rendering/renderer_rd/effects/debug_effects.cpp

@@ -340,25 +340,38 @@ void DebugEffects::draw_shadow_frustum(RID p_light, const Projection &p_cam_proj
 	}
 }
 
-void DebugEffects::draw_motion_vectors(RID p_velocity, RID p_dest_fb, Size2i p_velocity_size) {
+void DebugEffects::draw_motion_vectors(RID p_velocity, RID p_depth, RID p_dest_fb, const Projection &p_current_projection, const Transform3D &p_current_transform, const Projection &p_previous_projection, const Transform3D &p_previous_transform, Size2i p_resolution) {
 	MaterialStorage *material_storage = MaterialStorage::get_singleton();
 	ERR_FAIL_NULL(material_storage);
 
 	UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton();
 	ERR_FAIL_NULL(uniform_set_cache);
 
-	RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
+	RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
 	RD::Uniform u_source_velocity(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_velocity }));
+	RD::Uniform u_source_depth(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 1, Vector<RID>({ default_sampler, p_depth }));
 
 	RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_dest_fb, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_DROP, RD::FINAL_ACTION_DISCARD);
 	RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, motion_vectors.pipeline.get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dest_fb), false, RD::get_singleton()->draw_list_get_current_pass()));
 
-	motion_vectors.push_constant.velocity_resolution[0] = p_velocity_size.width;
-	motion_vectors.push_constant.velocity_resolution[1] = p_velocity_size.height;
+	Projection reprojection = p_previous_projection.flipped_y() * p_previous_transform.affine_inverse() * p_current_transform * p_current_projection.flipped_y().inverse();
+	RendererRD::MaterialStorage::store_camera(reprojection, motion_vectors.push_constant.reprojection_matrix);
+
+	motion_vectors.push_constant.resolution[0] = p_resolution.width;
+	motion_vectors.push_constant.resolution[1] = p_resolution.height;
+	motion_vectors.push_constant.force_derive_from_depth = false;
 
 	RID shader = motion_vectors.shader.version_get_shader(motion_vectors.shader_version, 0);
-	RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 0, u_source_velocity), 0);
+	RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 0, u_source_velocity, u_source_depth), 0);
+	RD::get_singleton()->draw_list_set_push_constant(draw_list, &motion_vectors.push_constant, sizeof(MotionVectorsPushConstant));
+	RD::get_singleton()->draw_list_draw(draw_list, false, 1u, 3u);
+
+#ifdef DRAW_DERIVATION_FROM_DEPTH_ON_TOP
+	motion_vectors.push_constant.force_derive_from_depth = true;
+
 	RD::get_singleton()->draw_list_set_push_constant(draw_list, &motion_vectors.push_constant, sizeof(MotionVectorsPushConstant));
 	RD::get_singleton()->draw_list_draw(draw_list, false, 1u, 3u);
+#endif
+
 	RD::get_singleton()->draw_list_end();
 }

servers/rendering/renderer_rd/effects/debug_effects.h

@@ -72,8 +72,10 @@ class DebugEffects {
 	} shadow_frustum;
 
 	struct MotionVectorsPushConstant {
-		float velocity_resolution[2];
-		float pad[2];
+		float reprojection_matrix[16];
+		float resolution[2];
+		uint32_t force_derive_from_depth;
+		float pad;
 	};
 
 	struct {
@@ -91,7 +93,7 @@ class DebugEffects {
 	~DebugEffects();
 
 	void draw_shadow_frustum(RID p_light, const Projection &p_cam_projection, const Transform3D &p_cam_transform, RID p_dest_fb, const Rect2 p_rect);
-	void draw_motion_vectors(RID p_velocity, RID p_dest_fb, Size2i p_velocity_size);
+	void draw_motion_vectors(RID p_velocity, RID p_depth, RID p_dest_fb, const Projection &p_current_projection, const Transform3D &p_current_transform, const Projection &p_previous_projection, const Transform3D &p_previous_transform, Size2i p_resolution);
 };
 
 } // namespace RendererRD