Merge branch 'master' of https://github.com/okamstudio/godot

Conflicts:
	modules/gdscript/gd_tokenizer.cpp
	scene/resources/shader_graph.h

7 files changed, 883 insertions, 93 deletions

diff --git a/servers/visual/rasterizer.h b/servers/visual/rasterizer.h
index 92c7b8ac14..62ab8b3c56 100644
--- a/servers/visual/rasterizer.h
+++ b/servers/visual/rasterizer.h
@@ -564,7 +564,76 @@ public:
 		CANVAS_RECT_REGION=1,
 		CANVAS_RECT_TILE=2,
 		CANVAS_RECT_FLIP_H=4,
-		CANVAS_RECT_FLIP_V=8
+		CANVAS_RECT_FLIP_V=8,
+		CANVAS_RECT_TRANSPOSE=16
+	};
+
+
+	struct CanvasLight {
+
+
+
+		bool enabled;
+		Color color;
+		Matrix32 xform;
+		float height;
+		int z_min;
+		int z_max;
+		int layer_min;
+		int layer_max;
+		int item_mask;
+		bool subtract;
+		RID texture;
+		Vector2 texture_offset;
+		RID canvas;
+		RID shadow_buffer;
+		int shadow_buffer_size;
+		float shadow_esm_mult;
+
+
+		void *texture_cache; // implementation dependent
+		Rect2 rect_cache;
+		Matrix32 xform_cache;
+		float radius_cache; //used for shadow far plane
+		CameraMatrix shadow_matrix_cache;
+
+		Matrix32 light_shader_xform;
+		Vector2 light_shader_pos;
+
+		CanvasLight *shadows_next_ptr;
+		CanvasLight *filter_next_ptr;
+		CanvasLight *next_ptr;
+
+		CanvasLight() {
+			enabled=true;			
+			color=Color(1,1,1);
+			height=0;
+			z_min=-1024;
+			z_max=1024;
+			layer_min=0;
+			layer_max=0;
+			item_mask=1;
+			subtract=false;
+			texture_cache=NULL;
+			next_ptr=NULL;
+			filter_next_ptr=NULL;
+			shadow_buffer_size=2048;
+			shadow_esm_mult=80;
+
+		}
+	};
+
+	struct CanvasItem;
+
+	struct CanvasItemMaterial  {
+
+		RID shader;
+		Map<StringName,Variant> shader_param;
+		uint32_t shader_version;
+		Set<CanvasItem*> owners;
+		bool unshaded;
+
+		CanvasItemMaterial() {unshaded=false; shader_version=0; }
 	};
 
 	struct CanvasItem {
@@ -689,25 +758,25 @@ public:
 		bool visible;
 		bool ontop;
 		VS::MaterialBlendMode blend_mode;
+		int light_mask;
 		Vector<Command*> commands;
 		mutable bool custom_rect;
 		mutable bool rect_dirty;
 		mutable Rect2 rect;
 		CanvasItem*next;
-		RID shader;
-		Map<StringName,Variant> shader_param;
-		uint32_t shader_version;
+		CanvasItemMaterial* material;
 
 
 		float final_opacity;
 		Matrix32 final_transform;
 		Rect2 final_clip_rect;
 		CanvasItem* final_clip_owner;
-		CanvasItem* shader_owner;
+		CanvasItem* material_owner;
 		ViewportRender *vp_render;
 
-		const Rect2& get_rect() const {
+		Rect2 global_rect_cache;
 
+		const Rect2& get_rect() const {
 			if (custom_rect || !rect_dirty)
 				return rect;
 
@@ -830,8 +899,8 @@ public:
 			return rect;
 		}
 
-		void clear() { for (int i=0;i<commands.size();i++) memdelete( commands[i] ); commands.clear(); clip=false; rect_dirty=true; final_clip_owner=NULL;  shader_owner=NULL;}
-		CanvasItem() { vp_render=NULL; next=NULL; final_clip_owner=NULL; clip=false; final_opacity=1;  blend_mode=VS::MATERIAL_BLEND_MODE_MIX; visible=true; rect_dirty=true; custom_rect=false; ontop=true; shader_version=0; shader_owner=NULL;}
+		void clear() { for (int i=0;i<commands.size();i++) memdelete( commands[i] ); commands.clear(); clip=false; rect_dirty=true; final_clip_owner=NULL;  material_owner=NULL;}
+		CanvasItem() { light_mask=1; vp_render=NULL; next=NULL; final_clip_owner=NULL; clip=false; final_opacity=1;  blend_mode=VS::MATERIAL_BLEND_MODE_MIX; visible=true; rect_dirty=true; custom_rect=false; ontop=true; material_owner=NULL; material=NULL; }
 		virtual ~CanvasItem() { clear(); }
 	};
 
@@ -853,9 +922,38 @@ public:
 	virtual void canvas_draw_polygon(int p_vertex_count, const int* p_indices, const Vector2* p_vertices, const Vector2* p_uvs, const Color* p_colors,const RID& p_texture,bool p_singlecolor)=0;
 	virtual void canvas_set_transform(const Matrix32& p_transform)=0;
 
-	virtual void canvas_render_items(CanvasItem *p_item_list)=0;
+	virtual void canvas_render_items(CanvasItem *p_item_list,int p_z,const Color& p_modulate,CanvasLight *p_light)=0;
+	virtual void canvas_debug_viewport_shadows(CanvasLight* p_lights_with_shadow)=0;
+	/* LIGHT SHADOW MAPPING */
+
+	virtual RID canvas_light_occluder_create()=0;
+	virtual void canvas_light_occluder_set_polylines(RID p_occluder, const DVector<Vector2>& p_lines)=0;
 
 
+	virtual RID canvas_light_shadow_buffer_create(int p_width)=0;
+
+	struct CanvasLightOccluderInstance {
+
+
+		bool enabled;
+		RID canvas;
+		RID polygon;
+		RID polygon_buffer;
+		Rect2 aabb_cache;
+		Matrix32 xform;
+		Matrix32 xform_cache;
+		int light_mask;
+		VS::CanvasOccluderPolygonCullMode cull_cache;
+
+		CanvasLightOccluderInstance *next;
+
+		CanvasLightOccluderInstance() { enabled=true; next=NULL; light_mask=1; cull_cache=VS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED; }
+	};
+
+
+
+	virtual void canvas_light_shadow_buffer_update(RID p_buffer, const Matrix32& p_light_xform, int p_light_mask,float p_near, float p_far, CanvasLightOccluderInstance* p_occluders, CameraMatrix *p_xform_cache)=0;
+
 	/* ENVIRONMENT */
 	
 
@@ -894,6 +992,8 @@ public:
 	virtual bool is_environment(const RID& p_rid) const=0;
 	virtual bool is_shader(const RID& p_rid) const=0;
 
+	virtual bool is_canvas_light_occluder(const RID& p_rid) const=0;
+
 	virtual void free(const RID& p_rid)=0;
 
 	virtual void init()=0;
diff --git a/servers/visual/rasterizer_dummy.cpp b/servers/visual/rasterizer_dummy.cpp
index 6c1b6697c1..7fb8eb02fc 100644
--- a/servers/visual/rasterizer_dummy.cpp
+++ b/servers/visual/rasterizer_dummy.cpp
@@ -1622,7 +1622,7 @@ void RasterizerDummy::canvas_set_transform(const Matrix32& p_transform) {
 
 }
 
-void RasterizerDummy::canvas_render_items(CanvasItem *p_item_list) {
+void RasterizerDummy::canvas_render_items(CanvasItem *p_item_list,int p_z,const Color& p_modulate,CanvasLight *p_light) {
 
 
 }
diff --git a/servers/visual/rasterizer_dummy.h b/servers/visual/rasterizer_dummy.h
index c72149f88f..baa48951d6 100644
--- a/servers/visual/rasterizer_dummy.h
+++ b/servers/visual/rasterizer_dummy.h
@@ -710,7 +710,7 @@ public:
 	virtual void canvas_draw_polygon(int p_vertex_count, const int* p_indices, const Vector2* p_vertices, const Vector2* p_uvs, const Color* p_colors,const RID& p_texture,bool p_singlecolor);
 	virtual void canvas_set_transform(const Matrix32& p_transform);
 
-	virtual void canvas_render_items(CanvasItem *p_item_list);
+	virtual void canvas_render_items(CanvasItem *p_item_list,int p_z,const Color& p_modulate,CanvasLight *p_light);
 
 	/* ENVIRONMENT */
 
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index 30499ca210..f178c27ed0 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -1112,6 +1112,7 @@ const ShaderLanguage::BuiltinsDef ShaderLanguage::ci_vertex_builtins_defs[]={
 
 	{ "SRC_VERTEX", TYPE_VEC2},
 	{ "VERTEX", TYPE_VEC2},
+	{ "WORLD_VERTEX", TYPE_VEC2},
 	{ "UV", TYPE_VEC2},
 	{ "COLOR", TYPE_VEC4},
 	{ "VAR1", TYPE_VEC4},
diff --git a/servers/visual/visual_server_raster.cpp b/servers/visual/visual_server_raster.cpp
index a3aa573e35..3bcf0b8a3e 100644
--- a/servers/visual/visual_server_raster.cpp
+++ b/servers/visual/visual_server_raster.cpp
@@ -1576,6 +1576,15 @@ void VisualServerRaster::viewport_set_render_target_vflip(RID p_viewport,bool p_
 
 }
 
+void VisualServerRaster::viewport_set_render_target_clear_on_new_frame(RID p_viewport,bool p_enable) {
+
+	Viewport *viewport = viewport_owner.get( p_viewport );
+	ERR_FAIL_COND(!viewport);
+
+	viewport->render_target_clear_on_new_frame=p_enable;
+
+}
+
 void VisualServerRaster::viewport_set_render_target_to_screen_rect(RID p_viewport,const Rect2& p_rect) {
 
 	Viewport *viewport = viewport_owner.get( p_viewport );
@@ -1594,6 +1603,23 @@ bool VisualServerRaster::viewport_get_render_target_vflip(RID p_viewport) const{
 
 }
 
+bool VisualServerRaster::viewport_get_render_target_clear_on_new_frame(RID p_viewport) const{
+
+	const Viewport *viewport = viewport_owner.get( p_viewport );
+	ERR_FAIL_COND_V(!viewport,false);
+
+	return viewport->render_target_clear_on_new_frame;
+
+}
+
+void VisualServerRaster::viewport_render_target_clear(RID p_viewport) {
+
+	Viewport *viewport = viewport_owner.get( p_viewport );
+	ERR_FAIL_COND(!viewport);
+
+	viewport->render_target_clear=true;
+
+}
 
 void VisualServerRaster::viewport_queue_screen_capture(RID p_viewport) {
 
@@ -3195,6 +3221,7 @@ RID VisualServerRaster::canvas_create() {
 	return rid;
 }
 
+
 void VisualServerRaster::canvas_set_item_mirroring(RID p_canvas,RID p_item,const Point2& p_mirroring) {
 
 	Canvas * canvas = canvas_owner.get(p_canvas);
@@ -3220,6 +3247,14 @@ Point2 VisualServerRaster::canvas_get_item_mirroring(RID p_canvas,RID p_item) co
 	return canvas->child_items[idx].mirror;
 }
 
+void VisualServerRaster::canvas_set_modulate(RID p_canvas,const Color& p_color) {
+
+	Canvas * canvas = canvas_owner.get(p_canvas);
+	ERR_FAIL_COND(!canvas);
+	canvas->modulate=p_color;
+}
+
+
 
 RID VisualServerRaster::canvas_item_create() {
 	
@@ -3305,14 +3340,27 @@ bool VisualServerRaster::canvas_item_is_visible(RID p_item) const {
 
 }
 
+void VisualServerRaster::canvas_item_set_light_mask(RID p_canvas_item,int p_mask) {
+
+	VS_CHANGED;
+
+	CanvasItem *canvas_item = canvas_item_owner.get( p_canvas_item );
+	ERR_FAIL_COND(!canvas_item);
+
+	if (canvas_item->light_mask==p_mask)
+		return;
+	VS_CHANGED;
+
+	canvas_item->light_mask=p_mask;
+
+}
+
+
 void VisualServerRaster::canvas_item_set_blend_mode(RID p_canvas_item,MaterialBlendMode p_blend) {
 
 	VS_CHANGED;
 
 	CanvasItem *canvas_item = canvas_item_owner.get( p_canvas_item );
-	if (!canvas_item) {
-		printf("!canvas_item\n");
-	};
 	ERR_FAIL_COND(!canvas_item);
 
 	if (canvas_item->blend_mode==p_blend)
@@ -3470,7 +3518,7 @@ void VisualServerRaster::canvas_item_add_circle(RID p_item, const Point2& p_pos,
 
 }
 
-void VisualServerRaster::canvas_item_add_texture_rect(RID p_item, const Rect2& p_rect, RID p_texture,bool p_tile,const Color& p_modulate) {
+void VisualServerRaster::canvas_item_add_texture_rect(RID p_item, const Rect2& p_rect, RID p_texture,bool p_tile,const Color& p_modulate,bool p_transpose) {
 	VS_CHANGED;
 	CanvasItem *canvas_item = canvas_item_owner.get( p_item );
 	ERR_FAIL_COND(!canvas_item);
@@ -3493,12 +3541,16 @@ void VisualServerRaster::canvas_item_add_texture_rect(RID p_item, const Rect2& p
 		rect->flags|=Rasterizer::CANVAS_RECT_FLIP_V;
 		rect->rect.size.y = -rect->rect.size.y;
 	}
+	if (p_transpose) {
+		rect->flags|=Rasterizer::CANVAS_RECT_TRANSPOSE;
+		SWAP(rect->rect.size.x, rect->rect.size.y);
+	}
 	rect->texture=p_texture;
 	canvas_item->rect_dirty=true;
 	canvas_item->commands.push_back(rect);
 }
 
-void VisualServerRaster::canvas_item_add_texture_rect_region(RID p_item, const Rect2& p_rect, RID p_texture,const Rect2& p_src_rect,const Color& p_modulate)  {
+void VisualServerRaster::canvas_item_add_texture_rect_region(RID p_item, const Rect2& p_rect, RID p_texture,const Rect2& p_src_rect,const Color& p_modulate,bool p_transpose)  {
 	VS_CHANGED;
 	CanvasItem *canvas_item = canvas_item_owner.get( p_item );
 	ERR_FAIL_COND(!canvas_item);
@@ -3521,12 +3573,17 @@ void VisualServerRaster::canvas_item_add_texture_rect_region(RID p_item, const R
 		rect->flags|=Rasterizer::CANVAS_RECT_FLIP_V;
 		rect->rect.size.y = -rect->rect.size.y;
 	}
+	if (p_transpose) {
+		rect->flags|=Rasterizer::CANVAS_RECT_TRANSPOSE;
+		SWAP(rect->rect.size.x, rect->rect.size.y);
+	}
 
 	canvas_item->rect_dirty=true;
 
 	canvas_item->commands.push_back(rect);	
 	
 }
+
 void VisualServerRaster::canvas_item_add_style_box(RID p_item, const Rect2& p_rect, RID p_texture,const Vector2& p_topleft, const Vector2& p_bottomright, bool p_draw_center,const Color& p_modulate) {
 
 	VS_CHANGED;
@@ -3708,55 +3765,32 @@ void VisualServerRaster::canvas_item_set_z_as_relative_to_parent(RID p_item, boo
 
 }
 
-void VisualServerRaster::canvas_item_set_use_parent_shader(RID p_item, bool p_enable) {
+void VisualServerRaster::canvas_item_set_use_parent_material(RID p_item, bool p_enable) {
 
 	VS_CHANGED;
 	CanvasItem *canvas_item = canvas_item_owner.get( p_item );
 	ERR_FAIL_COND(!canvas_item);
-	canvas_item->use_parent_shader=p_enable;
+	canvas_item->use_parent_material=p_enable;
 
 }
 
-void VisualServerRaster::canvas_item_set_shader(RID p_item, RID p_shader) {
+void VisualServerRaster::canvas_item_set_material(RID p_item, RID p_material) {
 
 	VS_CHANGED;
 	CanvasItem *canvas_item = canvas_item_owner.get( p_item );
 	ERR_FAIL_COND(!canvas_item);
-	canvas_item->shader=p_shader;
-}
-
-RID VisualServerRaster::canvas_item_get_shader(RID p_item) const{
-
-	CanvasItem *canvas_item = canvas_item_owner.get( p_item );
-	ERR_FAIL_COND_V(!canvas_item,RID());
-	return canvas_item->shader;
 
-}
-
-void VisualServerRaster::canvas_item_set_shader_param(RID p_canvas_item, const StringName& p_param, const Variant& p_value){
-
-	VS_CHANGED;
-	CanvasItem *canvas_item = canvas_item_owner.get( p_canvas_item );
-	ERR_FAIL_COND(!canvas_item);
-	if (p_value.get_type()==Variant::NIL)
-		canvas_item->shader_param.erase(p_param);
-	else
-		canvas_item->shader_param[p_param]=p_value;
+	if (canvas_item->material)
+		canvas_item->material->owners.erase(canvas_item);
 
-}
-Variant VisualServerRaster::canvas_item_get_shader_param(RID p_canvas_item, const StringName& p_param) const{
+	canvas_item->material=NULL;
 
-	CanvasItem *canvas_item = canvas_item_owner.get( p_canvas_item );
-	ERR_FAIL_COND_V(!canvas_item,Variant());
-	if (!canvas_item->shader_param.has(p_param)) {
-		ERR_FAIL_COND_V(!canvas_item->shader.is_valid(),Variant());
-		return rasterizer->shader_get_default_param(canvas_item->shader,p_param);
+	if (canvas_item_material_owner.owns(p_material)) {
+		canvas_item->material=canvas_item_material_owner.get(p_material);
+		canvas_item->material->owners.insert(canvas_item);
 	}
-
-	return canvas_item->shader_param[p_param];
 }
 
-
 void VisualServerRaster::canvas_item_set_sort_children_by_y(RID p_item, bool p_enable) {
 
 	VS_CHANGED;
@@ -3819,6 +3853,372 @@ void VisualServerRaster::canvas_item_raise(RID p_item) {
 
 }
 
+/***** CANVAS LIGHT *******/
+
+RID VisualServerRaster::canvas_light_create() {
+
+	Rasterizer::CanvasLight *clight = memnew( Rasterizer::CanvasLight );
+	return canvas_light_owner.make_rid(clight);
+}
+
+void VisualServerRaster::canvas_light_attach_to_canvas(RID p_light,RID p_canvas){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+
+	if (clight->canvas.is_valid()) {
+
+		Canvas *canvas = canvas_owner.get(clight->canvas);
+		canvas->lights.erase(clight);
+	}
+
+	if (!canvas_owner.owns(p_canvas))
+		p_canvas=RID();
+	clight->canvas=p_canvas;
+
+	if (clight->canvas.is_valid()) {
+
+		Canvas *canvas = canvas_owner.get(clight->canvas);
+		canvas->lights.insert(clight);
+	}
+
+
+
+}
+void VisualServerRaster::canvas_light_set_enabled(RID p_light, bool p_enabled){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->enabled=p_enabled;
+
+}
+void VisualServerRaster::canvas_light_set_transform(RID p_light, const Matrix32& p_transform){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->xform=p_transform;
+
+}
+void VisualServerRaster::canvas_light_set_texture(RID p_light, RID p_texture){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->texture=p_texture;
+
+}
+void VisualServerRaster::canvas_light_set_texture_offset(RID p_light, const Vector2& p_offset){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->texture_offset=p_offset;
+
+}
+void VisualServerRaster::canvas_light_set_color(RID p_light, const Color& p_color){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->color=p_color;
+
+
+}
+void VisualServerRaster::canvas_light_set_height(RID p_light, float p_height){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->height=p_height;
+
+}
+void VisualServerRaster::canvas_light_set_z_range(RID p_light, int p_min_z,int p_max_z){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->z_min=p_min_z;
+	clight->z_max=p_max_z;
+
+}
+
+void VisualServerRaster::canvas_light_set_layer_range(RID p_light, int p_min_layer,int p_max_layer) {
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->layer_min=p_min_layer;
+	clight->layer_max=p_max_layer;
+
+}
+
+void VisualServerRaster::canvas_light_set_item_mask(RID p_light, int p_mask){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->item_mask=p_mask;
+
+}
+
+void VisualServerRaster::canvas_light_set_subtract_mode(RID p_light, bool p_enable) {
+
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->subtract=p_enable;
+
+}
+void VisualServerRaster::canvas_light_set_shadow_enabled(RID p_light, bool p_enabled){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+
+	if (clight->shadow_buffer.is_valid()==p_enabled)
+		return;
+	if (p_enabled) {
+		clight->shadow_buffer=rasterizer->canvas_light_shadow_buffer_create(clight->shadow_buffer_size);
+	} else {
+		rasterizer->free(clight->shadow_buffer);
+		clight->shadow_buffer=RID();
+
+	}
+
+}
+
+void VisualServerRaster::canvas_light_set_shadow_buffer_size(RID p_light, int p_size){
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+
+	ERR_FAIL_COND(p_size<32 || p_size>16384);
+
+	clight->shadow_buffer_size=nearest_power_of_2(p_size);
+
+
+	if (clight->shadow_buffer.is_valid()) {
+		rasterizer->free(clight->shadow_buffer);
+		clight->shadow_buffer=rasterizer->canvas_light_shadow_buffer_create(clight->shadow_buffer_size);
+	}
+
+}
+
+void VisualServerRaster::canvas_light_set_shadow_esm_multiplier(RID p_light, float p_multiplier) {
+
+	Rasterizer::CanvasLight *clight = canvas_light_owner.get(p_light);
+	ERR_FAIL_COND(!clight);
+	clight->shadow_esm_mult=p_multiplier;
+
+}
+
+/****** CANVAS LIGHT OCCLUDER ******/
+
+RID VisualServerRaster::canvas_light_occluder_create() {
+
+	Rasterizer::CanvasLightOccluderInstance *occluder = memnew( Rasterizer::CanvasLightOccluderInstance );
+
+	return canvas_light_occluder_owner.make_rid( occluder );
+
+}
+
+void VisualServerRaster::canvas_light_occluder_attach_to_canvas(RID p_occluder,RID p_canvas) {
+
+	Rasterizer::CanvasLightOccluderInstance *occluder = canvas_light_occluder_owner.get(p_occluder);
+	ERR_FAIL_COND(!occluder);
+
+	if (occluder->canvas.is_valid()) {
+
+		Canvas *canvas = canvas_owner.get(occluder->canvas);
+		canvas->occluders.erase(occluder);
+	}
+
+	if (!canvas_owner.owns(p_canvas))
+		p_canvas=RID();
+
+	occluder->canvas=p_canvas;
+
+	if (occluder->canvas.is_valid()) {
+
+		Canvas *canvas = canvas_owner.get(occluder->canvas);
+		canvas->occluders.insert(occluder);
+	}
+}
+
+void VisualServerRaster::canvas_light_occluder_set_enabled(RID p_occluder,bool p_enabled){
+
+	Rasterizer::CanvasLightOccluderInstance *occluder = canvas_light_occluder_owner.get(p_occluder);
+	ERR_FAIL_COND(!occluder);
+
+	occluder->enabled=p_enabled;
+
+}
+
+void VisualServerRaster::canvas_light_occluder_set_polygon(RID p_occluder,RID p_polygon) {
+
+	Rasterizer::CanvasLightOccluderInstance *occluder = canvas_light_occluder_owner.get(p_occluder);
+	ERR_FAIL_COND(!occluder);
+
+	if (occluder->polygon.is_valid()) {
+		CanvasLightOccluderPolygon *occluder_poly = canvas_light_occluder_polygon_owner.get(p_polygon);
+		if (occluder_poly) {
+			occluder_poly->owners.erase(occluder);
+		}
+	}
+
+	occluder->polygon=p_polygon;
+	occluder->polygon_buffer=RID();
+
+	if (occluder->polygon.is_valid()) {
+		CanvasLightOccluderPolygon *occluder_poly = canvas_light_occluder_polygon_owner.get(p_polygon);
+		if (!occluder_poly)
+			occluder->polygon=RID();
+		ERR_FAIL_COND(!occluder_poly);
+		occluder_poly->owners.insert(occluder);
+		occluder->polygon_buffer=occluder_poly->occluder;
+		occluder->aabb_cache=occluder_poly->aabb;
+		occluder->cull_cache=occluder_poly->cull_mode;
+	}
+
+}
+
+
+
+
+void VisualServerRaster::canvas_light_occluder_set_transform(RID p_occluder,const Matrix32& p_xform) {
+
+	Rasterizer::CanvasLightOccluderInstance *occluder = canvas_light_occluder_owner.get(p_occluder);
+	ERR_FAIL_COND(!occluder);
+
+	occluder->xform=p_xform;
+
+}
+
+void VisualServerRaster::canvas_light_occluder_set_light_mask(RID p_occluder,int p_mask) {
+
+	Rasterizer::CanvasLightOccluderInstance *occluder = canvas_light_occluder_owner.get(p_occluder);
+	ERR_FAIL_COND(!occluder);
+
+	occluder->light_mask=p_mask;
+
+}
+
+
+RID VisualServerRaster::canvas_occluder_polygon_create() {
+
+	CanvasLightOccluderPolygon * occluder_poly = memnew( CanvasLightOccluderPolygon );
+	occluder_poly->occluder=rasterizer->canvas_light_occluder_create();
+	return canvas_light_occluder_polygon_owner.make_rid(occluder_poly);
+
+}
+
+void VisualServerRaster::canvas_occluder_polygon_set_shape(RID p_occluder_polygon, const DVector<Vector2>& p_shape, bool p_close){
+
+	if (p_shape.size()<3) {
+		canvas_occluder_polygon_set_shape_as_lines(p_occluder_polygon,p_shape);
+		return;
+	}
+
+	DVector<Vector2> lines;
+	int lc = p_shape.size()*2;
+
+	lines.resize(lc-(p_close?0:2));
+	{
+		DVector<Vector2>::Write w = lines.write();
+		DVector<Vector2>::Read r = p_shape.read();
+
+		int max=lc/2;
+		if (!p_close) {
+			max--;
+		}
+		for(int i=0;i<max;i++) {
+
+			Vector2 a = r[i];
+			Vector2 b = r[(i+1)%(lc/2)];
+			w[i*2+0]=a;
+			w[i*2+1]=b;
+		}
+
+	}
+
+	canvas_occluder_polygon_set_shape_as_lines(p_occluder_polygon,lines);
+}
+
+void VisualServerRaster::canvas_occluder_polygon_set_shape_as_lines(RID p_occluder_polygon,const DVector<Vector2>& p_shape) {
+
+	CanvasLightOccluderPolygon * occluder_poly = canvas_light_occluder_polygon_owner.get(p_occluder_polygon);
+	ERR_FAIL_COND(!occluder_poly);
+	ERR_FAIL_COND(p_shape.size()&1);
+
+	int lc = p_shape.size();
+	occluder_poly->aabb=Rect2();
+	{
+		DVector<Vector2>::Read r = p_shape.read();
+		for(int i=0;i<lc;i++) {
+			if (i==0)
+				occluder_poly->aabb.pos=r[i];
+			else
+				occluder_poly->aabb.expand_to(r[i]);
+		}
+	}
+
+	rasterizer->canvas_light_occluder_set_polylines(occluder_poly->occluder,p_shape);
+	for( Set<Rasterizer::CanvasLightOccluderInstance*>::Element *E=occluder_poly->owners.front();E;E=E->next()) {
+		E->get()->aabb_cache=occluder_poly->aabb;
+	}
+}
+
+void VisualServerRaster::canvas_occluder_polygon_set_cull_mode(RID p_occluder_polygon,CanvasOccluderPolygonCullMode p_mode) {
+
+	CanvasLightOccluderPolygon * occluder_poly = canvas_light_occluder_polygon_owner.get(p_occluder_polygon);
+	ERR_FAIL_COND(!occluder_poly);
+	occluder_poly->cull_mode=p_mode;
+	for( Set<Rasterizer::CanvasLightOccluderInstance*>::Element *E=occluder_poly->owners.front();E;E=E->next()) {
+		E->get()->cull_cache=p_mode;
+	}
+
+}
+
+RID VisualServerRaster::canvas_item_material_create() {
+
+	Rasterizer::CanvasItemMaterial *material = memnew( Rasterizer::CanvasItemMaterial );
+	return canvas_item_material_owner.make_rid(material);
+
+}
+
+void VisualServerRaster::canvas_item_material_set_shader(RID p_material, RID p_shader){
+
+	VS_CHANGED;
+	Rasterizer::CanvasItemMaterial *material = canvas_item_material_owner.get( p_material );
+	ERR_FAIL_COND(!material);
+	material->shader=p_shader;
+
+}
+void VisualServerRaster::canvas_item_material_set_shader_param(RID p_material, const StringName& p_param, const Variant& p_value){
+
+	VS_CHANGED;
+	Rasterizer::CanvasItemMaterial *material = canvas_item_material_owner.get( p_material );
+	ERR_FAIL_COND(!material);
+	if (p_value.get_type()==Variant::NIL)
+		material->shader_param.erase(p_param);
+	else
+		material->shader_param[p_param]=p_value;
+
+
+}
+Variant VisualServerRaster::canvas_item_material_get_shader_param(RID p_material, const StringName& p_param) const{
+	Rasterizer::CanvasItemMaterial *material = canvas_item_material_owner.get( p_material );
+	ERR_FAIL_COND_V(!material,Variant());
+	if (!material->shader_param.has(p_param)) {
+		ERR_FAIL_COND_V(!material->shader.is_valid(),Variant());
+		return rasterizer->shader_get_default_param(material->shader,p_param);
+	}
+
+	return material->shader_param[p_param];
+}
+
+void VisualServerRaster::canvas_item_material_set_unshaded(RID p_material, bool p_unshaded){
+
+	VS_CHANGED;
+	Rasterizer::CanvasItemMaterial *material = canvas_item_material_owner.get( p_material );
+	ERR_FAIL_COND(!material);
+	material->unshaded=p_unshaded;
+
+}
+
+
 /******** CANVAS *********/
 
 
@@ -4069,7 +4469,17 @@ void VisualServerRaster::free( RID p_rid ) {
 
 			canvas->child_items[i].item->parent=RID();
 		}
-		
+
+		for (Set<Rasterizer::CanvasLight*>::Element *E=canvas->lights.front();E;E=E->next()) {
+
+			E->get()->canvas=RID();
+		}
+
+		for (Set<Rasterizer::CanvasLightOccluderInstance*>::Element *E=canvas->occluders.front();E;E=E->next()) {
+
+			E->get()->canvas=RID();
+		}
+
 		canvas_owner.free( p_rid );
 		
 		memdelete( canvas );
@@ -4098,9 +4508,75 @@ void VisualServerRaster::free( RID p_rid ) {
 			canvas_item->child_items[i]->parent=RID();
 		}
 
+		if (canvas_item->material) {
+			canvas_item->material->owners.erase(canvas_item);
+		}
+
 		canvas_item_owner.free( p_rid );
 		
 		memdelete( canvas_item );
+
+	} else if (canvas_item_material_owner.owns(p_rid)) {
+
+		Rasterizer::CanvasItemMaterial *material = canvas_item_material_owner.get(p_rid);
+		ERR_FAIL_COND(!material);
+		for(Set<Rasterizer::CanvasItem*>::Element *E=material->owners.front();E;E=E->next()) {
+
+			E->get()->material=NULL;
+		}
+
+		canvas_item_material_owner.free(p_rid);
+		memdelete(material);
+
+	} else if (canvas_light_owner.owns(p_rid)) {
+
+		Rasterizer::CanvasLight *canvas_light = canvas_light_owner.get(p_rid);
+		ERR_FAIL_COND(!canvas_light);
+
+		if (canvas_light->canvas.is_valid()) {
+			Canvas* canvas = canvas_owner.get(canvas_light->canvas);
+			if (canvas)
+				canvas->lights.erase(canvas_light);
+		}
+
+		if (canvas_light->shadow_buffer.is_valid())
+			rasterizer->free(canvas_light->shadow_buffer);
+
+		canvas_light_owner.free( p_rid );
+		memdelete( canvas_light );
+
+	} else if (canvas_light_occluder_owner.owns(p_rid)) {
+
+		Rasterizer::CanvasLightOccluderInstance *occluder = canvas_light_occluder_owner.get(p_rid);
+		ERR_FAIL_COND(!occluder);
+
+		if (occluder->polygon.is_valid()) {
+
+			CanvasLightOccluderPolygon *occluder_poly = canvas_light_occluder_polygon_owner.get(occluder->polygon);
+			if (occluder_poly) {
+				occluder_poly->owners.erase(occluder);
+			}
+
+		}
+
+		canvas_light_occluder_owner.free( p_rid );
+		memdelete(occluder);
+
+	} else if (canvas_light_occluder_polygon_owner.owns(p_rid)) {
+
+		CanvasLightOccluderPolygon *occluder_poly = canvas_light_occluder_polygon_owner.get(p_rid);
+		ERR_FAIL_COND(!occluder_poly);
+		rasterizer->free(occluder_poly->occluder);
+
+		while(occluder_poly->owners.size()) {
+
+			occluder_poly->owners.front()->get()->polygon=RID();
+			occluder_poly->owners.erase( occluder_poly->owners.front() );
+		}
+
+		canvas_light_occluder_polygon_owner.free( p_rid );
+		memdelete(occluder_poly);
+
 	} else if (scenario_owner.owns(p_rid)) {
 		
 		Scenario *scenario=scenario_owner.get(p_rid);
@@ -6146,7 +6622,7 @@ void VisualServerRaster::_render_camera(Viewport *p_viewport,Camera *p_camera, S
 }
 
 
-void VisualServerRaster::_render_canvas_item_tree(CanvasItem *p_canvas_item,const Matrix32& p_transform,const Rect2& p_clip_rect) {
+void VisualServerRaster::_render_canvas_item_tree(CanvasItem *p_canvas_item, const Matrix32& p_transform, const Rect2& p_clip_rect, const Color& p_modulate, Rasterizer::CanvasLight *p_lights) {
 
 
 	static const int z_range = CANVAS_ITEM_Z_MAX-CANVAS_ITEM_Z_MIN+1;
@@ -6164,7 +6640,7 @@ void VisualServerRaster::_render_canvas_item_tree(CanvasItem *p_canvas_item,cons
 	for(int i=0;i<z_range;i++) {
 		if (!z_list[i])
 			continue;
-		rasterizer->canvas_render_items(z_list[i]);
+		rasterizer->canvas_render_items(z_list[i],CANVAS_ITEM_Z_MIN+i,p_modulate,p_lights);
 	}
 
 }
@@ -6179,7 +6655,7 @@ void VisualServerRaster::_render_canvas_item_viewport(VisualServer* p_self,void
 
 }
 
-void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Matrix32& p_transform,const Rect2& p_clip_rect, float p_opacity,int p_z,Rasterizer::CanvasItem **z_list,Rasterizer::CanvasItem **z_last_list,CanvasItem *p_canvas_clip,CanvasItem *p_shader_owner) {
+void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Matrix32& p_transform,const Rect2& p_clip_rect, float p_opacity,int p_z,Rasterizer::CanvasItem **z_list,Rasterizer::CanvasItem **z_last_list,CanvasItem *p_canvas_clip,CanvasItem *p_material_owner) {
 
 	CanvasItem *ci = p_canvas_item;
 
@@ -6224,11 +6700,11 @@ void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Mat
 		ci->vp_render=NULL;
 	}
 
-	if (ci->use_parent_shader && p_shader_owner)
-		ci->shader_owner=p_shader_owner;
+	if (ci->use_parent_material && p_material_owner)
+		ci->material_owner=p_material_owner;
 	else {
-		p_shader_owner=ci;
-		ci->shader_owner=NULL;
+		p_material_owner=ci;
+		ci->material_owner=NULL;
 	}
 
 
@@ -6262,7 +6738,7 @@ void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Mat
 
 		if (child_items[i]->ontop)
 			continue;
-		_render_canvas_item(child_items[i],xform,p_clip_rect,opacity,p_z,z_list,z_last_list,(CanvasItem*)ci->final_clip_owner,p_shader_owner);
+		_render_canvas_item(child_items[i],xform,p_clip_rect,opacity,p_z,z_list,z_last_list,(CanvasItem*)ci->final_clip_owner,p_material_owner);
 	}
 
 
@@ -6270,7 +6746,7 @@ void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Mat
 		//something to draw?
 		ci->final_transform=xform;
 		ci->final_opacity=opacity * ci->self_opacity;
-
+		ci->global_rect_cache=global_rect;
 
 		int zidx = p_z-CANVAS_ITEM_Z_MIN;
 
@@ -6283,6 +6759,8 @@ void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Mat
 			z_last_list[zidx]=ci;
 		}
 
+
+
 		ci->next=NULL;
 
 	}
@@ -6291,12 +6769,12 @@ void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Mat
 
 		if (!child_items[i]->ontop)
 			continue;
-		_render_canvas_item(child_items[i],xform,p_clip_rect,opacity,p_z,z_list,z_last_list,(CanvasItem*)ci->final_clip_owner,p_shader_owner);
+		_render_canvas_item(child_items[i],xform,p_clip_rect,opacity,p_z,z_list,z_last_list,(CanvasItem*)ci->final_clip_owner,p_material_owner);
 	}
 
 }
 
-void VisualServerRaster::_render_canvas(Canvas *p_canvas,const Matrix32 &p_transform) {
+void VisualServerRaster::_render_canvas(Canvas *p_canvas,const Matrix32 &p_transform,Rasterizer::CanvasLight *p_lights) {
 
 	rasterizer->canvas_begin();
 
@@ -6329,30 +6807,30 @@ void VisualServerRaster::_render_canvas(Canvas *p_canvas,const Matrix32 &p_trans
 		for(int i=0;i<z_range;i++) {
 			if (!z_list[i])
 				continue;
-			rasterizer->canvas_render_items(z_list[i]);
+			rasterizer->canvas_render_items(z_list[i],CANVAS_ITEM_Z_MIN+i,p_canvas->modulate,p_lights);
 		}
 	} else {
 
 		for(int i=0;i<l;i++) {
 
 			Canvas::ChildItem& ci=p_canvas->child_items[i];
-			_render_canvas_item_tree(ci.item,p_transform,clip_rect);
+			_render_canvas_item_tree(ci.item,p_transform,clip_rect,p_canvas->modulate,p_lights);
 
 			//mirroring (useful for scrolling backgrounds)
 			if (ci.mirror.x!=0) {
 
 				Matrix32 xform2 = p_transform * Matrix32(0,Vector2(ci.mirror.x,0));
-				_render_canvas_item_tree(ci.item,xform2,clip_rect);
+				_render_canvas_item_tree(ci.item,xform2,clip_rect,p_canvas->modulate,p_lights);
 			}
 			if (ci.mirror.y!=0) {
 
 				Matrix32 xform2 = p_transform * Matrix32(0,Vector2(0,ci.mirror.y));
-				_render_canvas_item_tree(ci.item,xform2,clip_rect);
+				_render_canvas_item_tree(ci.item,xform2,clip_rect,p_canvas->modulate,p_lights);
 			}
 			if (ci.mirror.y!=0 && ci.mirror.x!=0) {
 
 				Matrix32 xform2 = p_transform * Matrix32(0,ci.mirror);
-				_render_canvas_item_tree(ci.item,xform2,clip_rect);
+				_render_canvas_item_tree(ci.item,xform2,clip_rect,p_canvas->modulate,p_lights);
 			}
 
 		}
@@ -6407,7 +6885,15 @@ void VisualServerRaster::_draw_viewport(Viewport *p_viewport,int p_ofs_x, int p_
 	} else if (true /*|| !p_viewport->canvas_list.empty()*/){
 
 		//clear the viewport black because of no camera? i seriously should..
-		rasterizer->clear_viewport(clear_color);
+		if (p_viewport->render_target_clear_on_new_frame || p_viewport->render_target_clear) {
+			if (p_viewport->transparent_bg) {
+				rasterizer->clear_viewport(Color(0,0,0,0));
+			}
+			else {
+				rasterizer->clear_viewport(clear_color);
+			}
+			p_viewport->render_target_clear=false;
+		}
 	}
 
 	if (!p_viewport->hide_canvas) {
@@ -6415,21 +6901,113 @@ void VisualServerRaster::_draw_viewport(Viewport *p_viewport,int p_ofs_x, int p_
 
 		Map<Viewport::CanvasKey,Viewport::CanvasData*> canvas_map;
 
+		Rect2 clip_rect(0,0,viewport_rect.width,viewport_rect.height);
+		Rasterizer::CanvasLight *lights=NULL;
+		Rasterizer::CanvasLight *lights_with_shadow=NULL;
+		Rect2 shadow_rect;
+
 		for (Map<RID,Viewport::CanvasData>::Element *E=p_viewport->canvas_map.front();E;E=E->next()) {
+
+			Matrix32 xf = p_viewport->global_transform * E->get().transform;
+
+			//find lights in canvas
+
+
+			for(Set<Rasterizer::CanvasLight*>::Element *F=E->get().canvas->lights.front();F;F=F->next()) {
+
+				Rasterizer::CanvasLight* cl=F->get();
+				if (cl->enabled && cl->texture.is_valid()) {
+					//not super efficient..
+					Size2 tsize(rasterizer->texture_get_width(cl->texture),rasterizer->texture_get_height(cl->texture));
+					Vector2 offset=tsize/2.0;
+					cl->rect_cache=Rect2(-offset+cl->texture_offset,tsize);
+					cl->xform_cache=xf * cl->xform;
+
+
+					if (clip_rect.intersects_transformed(cl->xform_cache,cl->rect_cache)) {
+						cl->filter_next_ptr=lights;
+						lights=cl;
+						cl->texture_cache=NULL;
+						Matrix32 scale;
+						scale.scale(cl->rect_cache.size);
+						scale.elements[2]=cl->rect_cache.pos;
+						cl->light_shader_xform = (cl->xform_cache * scale).affine_inverse();
+						cl->light_shader_pos=cl->xform_cache[2];
+						if (cl->shadow_buffer.is_valid()) {
+							cl->shadows_next_ptr=lights_with_shadow;
+							if (lights_with_shadow==NULL) {
+								shadow_rect = cl->xform_cache.xform(cl->rect_cache);
+							} else {
+								shadow_rect=shadow_rect.merge( cl->xform_cache.xform(cl->rect_cache) );
+							}
+							lights_with_shadow=cl;
+							cl->radius_cache=cl->rect_cache.size.length();
+
+						}
+					}
+				}
+			}
+
 			canvas_map[ Viewport::CanvasKey( E->key(), E->get().layer) ]=&E->get();
 
 		}
 
+		if (lights_with_shadow) {
+			//update shadows if any
+
+			Rasterizer::CanvasLightOccluderInstance * occluders=NULL;
+
+			//make list of occluders
+			for (Map<RID,Viewport::CanvasData>::Element *E=p_viewport->canvas_map.front();E;E=E->next()) {
+
+				Matrix32 xf = p_viewport->global_transform * E->get().transform;
+
+				for(Set<Rasterizer::CanvasLightOccluderInstance*>::Element *F=E->get().canvas->occluders.front();F;F=F->next()) {
+
+					F->get()->xform_cache = xf * F->get()->xform;
+					if (shadow_rect.intersects_transformed(F->get()->xform_cache,F->get()->aabb_cache)) {
+
+						F->get()->next=occluders;
+						occluders=F->get();
+
+					}
+				}
+			}
+			//update the light shadowmaps with them
+			Rasterizer::CanvasLight *light=lights_with_shadow;
+			while(light) {
+
+				rasterizer->canvas_light_shadow_buffer_update(light->shadow_buffer,light->xform_cache.affine_inverse(),light->item_mask,light->radius_cache/1000.0,light->radius_cache*1.1,occluders,&light->shadow_matrix_cache);
+				light=light->shadows_next_ptr;
+			}
+
+			rasterizer->set_viewport(viewport_rect); //must reset viewport afterwards
+		}
+
 		for (Map<Viewport::CanvasKey,Viewport::CanvasData*>::Element *E=canvas_map.front();E;E=E->next()) {
 
 
 	//		print_line("canvas "+itos(i)+" size: "+itos(I->get()->canvas->child_items.size()));
 			//print_line("GT "+p_viewport->global_transform+". CT: "+E->get()->transform);
 			Matrix32 xform = p_viewport->global_transform * E->get()->transform;
-			_render_canvas( E->get()->canvas,xform );
+
+			Rasterizer::CanvasLight *canvas_lights=NULL;
+
+			Rasterizer::CanvasLight *ptr=lights;
+			while(ptr) {
+				if (E->get()->layer>=ptr->layer_min && E->get()->layer<=ptr->layer_max) {
+					ptr->next_ptr=canvas_lights;
+					canvas_lights=ptr;
+				}
+				ptr=ptr->filter_next_ptr;
+			}
+
+			_render_canvas( E->get()->canvas,xform,canvas_lights );
 			i++;
 
 		}
+
+		rasterizer->canvas_debug_viewport_shadows(lights_with_shadow);
 	}
 
 	//capture
diff --git a/servers/visual/visual_server_raster.h b/servers/visual/visual_server_raster.h
index 6c4e15827a..b9a3f83364 100644
--- a/servers/visual/visual_server_raster.h
+++ b/servers/visual/visual_server_raster.h
@@ -371,7 +371,7 @@ class VisualServerRaster : public VisualServer {
 
 
 
-
+	mutable RID_Owner<Rasterizer::CanvasItemMaterial> canvas_item_material_owner;
 
 	struct CanvasItem : public Rasterizer::CanvasItem {
 
@@ -384,7 +384,7 @@ class VisualServerRaster : public VisualServer {
 		bool sort_y;
 		float opacity;
 		float self_opacity;
-		bool use_parent_shader;
+		bool use_parent_material;
 
 
 		Vector<CanvasItem*> child_items;
@@ -396,7 +396,7 @@ class VisualServerRaster : public VisualServer {
 			opacity=1;
 			self_opacity=1;
 			sort_y=false;
-			use_parent_shader=false;
+			use_parent_material=false;
 			z_relative=true;
 		}
 	};
@@ -410,6 +410,26 @@ class VisualServerRaster : public VisualServer {
 		}
 	};
 
+	struct CanvasLightOccluder;
+
+	struct CanvasLightOccluderPolygon {
+
+		bool active;
+		Rect2 aabb;
+		CanvasOccluderPolygonCullMode cull_mode;
+		RID occluder;
+		Set<Rasterizer::CanvasLightOccluderInstance*> owners;
+
+		CanvasLightOccluderPolygon() { active=false; cull_mode=CANVAS_OCCLUDER_POLYGON_CULL_DISABLED; }
+	};
+
+
+	RID_Owner<CanvasLightOccluderPolygon> canvas_light_occluder_polygon_owner;
+
+	RID_Owner<Rasterizer::CanvasLightOccluderInstance> canvas_light_occluder_owner;
+
+	struct CanvasLight;
+
 	struct Canvas {
 
 		Set<RID> viewports;
@@ -419,8 +439,11 @@ class VisualServerRaster : public VisualServer {
 			CanvasItem *item;
 		};
 
+		Set<Rasterizer::CanvasLight*> lights;
+		Set<Rasterizer::CanvasLightOccluderInstance*> occluders;
 
 		Vector<ChildItem> child_items;
+		Color modulate;
 
 		int find_item(CanvasItem *p_item) {
 			for(int i=0;i<child_items.size();i++) {
@@ -435,11 +458,13 @@ class VisualServerRaster : public VisualServer {
 				child_items.remove(idx);
 		}
 
-		Canvas() {  }
+		Canvas() { modulate=Color(1,1,1,1); }
 		
 	};
 
 
+	RID_Owner<Rasterizer::CanvasLight> canvas_light_owner;
+
 
 	struct Viewport {
 
@@ -462,6 +487,8 @@ class VisualServerRaster : public VisualServer {
 		bool transparent_bg;
 		bool queue_capture;
 		bool render_target_vflip;
+		bool render_target_clear_on_new_frame;
+		bool render_target_clear;
 		Image capture;
 
 		bool rendered_in_prev_frame;
@@ -488,7 +515,7 @@ class VisualServerRaster : public VisualServer {
 
 		SelfList<Viewport> update_list;
 
-		Viewport() : update_list(this) { transparent_bg=false; render_target_update_mode=RENDER_TARGET_UPDATE_WHEN_VISIBLE; queue_capture=false; rendered_in_prev_frame=false; render_target_vflip=false;}
+		Viewport() : update_list(this) { transparent_bg=false; render_target_update_mode=RENDER_TARGET_UPDATE_WHEN_VISIBLE; queue_capture=false; rendered_in_prev_frame=false; render_target_vflip=false; render_target_clear_on_new_frame=true; render_target_clear=true;}
 	};
 
 	SelfList<Viewport>::List viewport_update_list;
@@ -601,9 +628,9 @@ class VisualServerRaster : public VisualServer {
 
 	void _render_camera(Viewport *p_viewport,Camera *p_camera, Scenario *p_scenario);
 	static void _render_canvas_item_viewport(VisualServer* p_self,void *p_vp,const Rect2& p_rect);
-	void _render_canvas_item_tree(CanvasItem *p_canvas_item,const Matrix32& p_transform,const Rect2& p_clip_rect);
-	void _render_canvas_item(CanvasItem *p_canvas_item,const Matrix32& p_transform,const Rect2& p_clip_rect, float p_opacity,int p_z,Rasterizer::CanvasItem **z_list,Rasterizer::CanvasItem **z_last_list,CanvasItem *p_canvas_clip,CanvasItem *p_shader_owner);
-	void _render_canvas(Canvas *p_canvas,const Matrix32 &p_transform);
+	void _render_canvas_item_tree(CanvasItem *p_canvas_item, const Matrix32& p_transform, const Rect2& p_clip_rect, const Color &p_modulate, Rasterizer::CanvasLight *p_lights);
+	void _render_canvas_item(CanvasItem *p_canvas_item, const Matrix32& p_transform, const Rect2& p_clip_rect, float p_opacity, int p_z, Rasterizer::CanvasItem **z_list, Rasterizer::CanvasItem **z_last_list, CanvasItem *p_canvas_clip, CanvasItem *p_material_owner);
+	void _render_canvas(Canvas *p_canvas, const Matrix32 &p_transform, Rasterizer::CanvasLight *p_lights);
 	Vector<Vector3> _camera_generate_endpoints(Instance *p_light,Camera *p_camera,float p_range_min, float p_range_max);
 	Vector<Plane> _camera_generate_orthogonal_planes(Instance *p_light,Camera *p_camera,float p_range_min, float p_range_max);
 
@@ -951,6 +978,9 @@ public:
 	virtual RID viewport_get_render_target_texture(RID p_viewport) const;
 	virtual void viewport_set_render_target_vflip(RID p_viewport,bool p_enable);
 	virtual bool viewport_get_render_target_vflip(RID p_viewport) const;
+	virtual void viewport_set_render_target_clear_on_new_frame(RID p_viewport,bool p_enable);
+	virtual bool viewport_get_render_target_clear_on_new_frame(RID p_viewport) const;
+	virtual void viewport_render_target_clear(RID p_viewport);
 	virtual void viewport_set_render_target_to_screen_rect(RID p_viewport,const Rect2& p_rect);
 
 	virtual void viewport_queue_screen_capture(RID p_viewport);
@@ -1073,6 +1103,8 @@ public:
 	virtual RID canvas_create();
 	virtual void canvas_set_item_mirroring(RID p_canvas,RID p_item,const Point2& p_mirroring);
 	virtual Point2 canvas_get_item_mirroring(RID p_canvas,RID p_item) const;
+	virtual void canvas_set_modulate(RID p_canvas,const Color& p_color);
+
 
 	virtual RID canvas_item_create();
 
@@ -1083,6 +1115,8 @@ public:
 	virtual bool canvas_item_is_visible(RID p_item) const;
 
 	virtual void canvas_item_set_blend_mode(RID p_canvas_item,MaterialBlendMode p_blend);
+	virtual void canvas_item_set_light_mask(RID p_canvas_item,int p_mask);
+
 
 
 	//virtual void canvas_item_set_rect(RID p_item, const Rect2& p_rect);
@@ -1102,8 +1136,8 @@ public:
 	virtual void canvas_item_add_line(RID p_item, const Point2& p_from, const Point2& p_to,const Color& p_color,float p_width=1.0);
 	virtual void canvas_item_add_rect(RID p_item, const Rect2& p_rect, const Color& p_color);
 	virtual void canvas_item_add_circle(RID p_item, const Point2& p_pos, float p_radius,const Color& p_color);
-	virtual void canvas_item_add_texture_rect(RID p_item, const Rect2& p_rect, RID p_texture,bool p_tile=false,const Color& p_modulate=Color(1,1,1));
-	virtual void canvas_item_add_texture_rect_region(RID p_item, const Rect2& p_rect, RID p_texture,const Rect2& p_src_rect,const Color& p_modulate=Color(1,1,1));
+	virtual void canvas_item_add_texture_rect(RID p_item, const Rect2& p_rect, RID p_texture,bool p_tile=false,const Color& p_modulate=Color(1,1,1),bool p_transpose=false);
+	virtual void canvas_item_add_texture_rect_region(RID p_item, const Rect2& p_rect, RID p_texture,const Rect2& p_src_rect,const Color& p_modulate=Color(1,1,1),bool p_transpose=false);
 	virtual void canvas_item_add_style_box(RID p_item, const Rect2& p_rect, RID p_texture,const Vector2& p_topleft, const Vector2& p_bottomright, bool p_draw_center=true,const Color& p_modulate=Color(1,1,1));
 	virtual void canvas_item_add_primitive(RID p_item, const Vector<Point2>& p_points, const Vector<Color>& p_colors,const Vector<Point2>& p_uvs, RID p_texture,float p_width=1.0);
 	virtual void canvas_item_add_polygon(RID p_item, const Vector<Point2>& p_points, const Vector<Color>& p_colors,const Vector<Point2>& p_uvs=Vector<Point2>(), RID p_texture=RID());
@@ -1116,18 +1150,54 @@ public:
 	virtual void canvas_item_set_z(RID p_item, int p_z);
 	virtual void canvas_item_set_z_as_relative_to_parent(RID p_item, bool p_enable);
 
-	virtual void canvas_item_set_shader(RID p_item, RID p_shader);
-	virtual RID canvas_item_get_shader(RID p_item) const;
+	virtual void canvas_item_set_material(RID p_item, RID p_material);
+	virtual void canvas_item_set_use_parent_material(RID p_item, bool p_enable);
+
+	virtual RID canvas_light_create();
+	virtual void canvas_light_attach_to_canvas(RID p_light,RID p_canvas);
+	virtual void canvas_light_set_enabled(RID p_light, bool p_enabled);
+	virtual void canvas_light_set_transform(RID p_light, const Matrix32& p_transform);
+	virtual void canvas_light_set_texture(RID p_light, RID p_texture);
+	virtual void canvas_light_set_texture_offset(RID p_light, const Vector2& p_offset);
+	virtual void canvas_light_set_color(RID p_light, const Color& p_color);
+	virtual void canvas_light_set_height(RID p_light, float p_height);
+	virtual void canvas_light_set_z_range(RID p_light, int p_min_z,int p_max_z);
+	virtual void canvas_light_set_layer_range(RID p_light, int p_min_layer,int p_max_layer);
+	virtual void canvas_light_set_item_mask(RID p_light, int p_mask);
+
+	virtual void canvas_light_set_subtract_mode(RID p_light, bool p_enable);
+	virtual void canvas_light_set_shadow_enabled(RID p_light, bool p_enabled);
+	virtual void canvas_light_set_shadow_buffer_size(RID p_light, int p_size);
+	virtual void canvas_light_set_shadow_esm_multiplier(RID p_light, float p_multiplier);
+
 
-	virtual void canvas_item_set_use_parent_shader(RID p_item, bool p_enable);
+	virtual RID canvas_light_occluder_create();
+	virtual void canvas_light_occluder_attach_to_canvas(RID p_occluder,RID p_canvas);
+	virtual void canvas_light_occluder_set_enabled(RID p_occluder,bool p_enabled);
+	virtual void canvas_light_occluder_set_polygon(RID p_occluder,RID p_polygon);
+	virtual void canvas_light_occluder_set_transform(RID p_occluder,const Matrix32& p_xform);
+	virtual void canvas_light_occluder_set_light_mask(RID p_occluder,int p_mask);
+
+
+	virtual RID canvas_occluder_polygon_create();
+	virtual void canvas_occluder_polygon_set_shape(RID p_occluder_polygon,const DVector<Vector2>& p_shape,bool p_close);
+	virtual void canvas_occluder_polygon_set_shape_as_lines(RID p_occluder_polygon,const DVector<Vector2>& p_shape);
+	virtual void canvas_occluder_polygon_set_cull_mode(RID p_occluder_polygon,CanvasOccluderPolygonCullMode p_mode);
 
 
-	virtual void canvas_item_set_shader_param(RID p_canvas_item, const StringName& p_param, const Variant& p_value);
-	virtual Variant canvas_item_get_shader_param(RID p_canvas_item, const StringName& p_param) const;
 
 	virtual void canvas_item_clear(RID p_item);
 	virtual void canvas_item_raise(RID p_item);
 
+	/* CANVAS ITEM MATERIAL */
+
+	virtual RID canvas_item_material_create();
+	virtual void canvas_item_material_set_shader(RID p_material, RID p_shader);
+	virtual void canvas_item_material_set_shader_param(RID p_material, const StringName& p_param, const Variant& p_value);
+	virtual Variant canvas_item_material_get_shader_param(RID p_material, const StringName& p_param) const;
+	virtual void canvas_item_material_set_unshaded(RID p_material, bool p_unshaded);
+
+
 	/* CURSOR */
 	virtual void cursor_set_rotation(float p_rotation, int p_cursor = 0); // radians
 	virtual void cursor_set_texture(RID p_texture, const Point2 &p_center_offset, int p_cursor=0);
diff --git a/servers/visual/visual_server_wrap_mt.h b/servers/visual/visual_server_wrap_mt.h
index b59fdbc66a..1890f7b760 100644
--- a/servers/visual/visual_server_wrap_mt.h
+++ b/servers/visual/visual_server_wrap_mt.h
@@ -967,6 +967,10 @@ public:
 	FUNC2(viewport_set_render_target_vflip,RID,bool);
 	FUNC1RC(bool,viewport_get_render_target_vflip,RID);
 	FUNC2(viewport_set_render_target_to_screen_rect,RID,const Rect2&);
+	
+	FUNC2(viewport_set_render_target_clear_on_new_frame,RID,bool);
+	FUNC1RC(bool,viewport_get_render_target_clear_on_new_frame,RID);
+	FUNC1(viewport_render_target_clear,RID);
 
 	FUNC1(viewport_queue_screen_capture,RID);
 	FUNC1RC(Image,viewport_get_screen_capture,RID);
@@ -1087,6 +1091,8 @@ public:
 	FUNC0R(RID,canvas_create);
 	FUNC3(canvas_set_item_mirroring,RID,RID,const Point2&);
 	FUNC2RC(Point2,canvas_get_item_mirroring,RID,RID);
+	FUNC2(canvas_set_modulate,RID,const Color&);
+
 
 	FUNC0R(RID,canvas_item_create);
 
@@ -1097,7 +1103,7 @@ public:
 	FUNC1RC(bool,canvas_item_is_visible,RID);
 
 	FUNC2(canvas_item_set_blend_mode,RID,MaterialBlendMode );
-
+	FUNC2(canvas_item_set_light_mask,RID,int );
 
 	//FUNC(canvas_item_set_rect,RID, const Rect2& p_rect);
 	FUNC2(canvas_item_set_transform,RID, const Matrix32& );
@@ -1116,9 +1122,8 @@ public:
 	FUNC5(canvas_item_add_line,RID, const Point2& , const Point2& ,const Color& ,float );
 	FUNC3(canvas_item_add_rect,RID, const Rect2& , const Color& );
 	FUNC4(canvas_item_add_circle,RID, const Point2& , float ,const Color& );
-	FUNC5(canvas_item_add_texture_rect,RID, const Rect2& , RID ,bool ,const Color& );
-	FUNC5(canvas_item_add_texture_rect_region,RID, const Rect2& , RID ,const Rect2& ,const Color& );
-
+	FUNC6(canvas_item_add_texture_rect,RID, const Rect2& , RID ,bool ,const Color&,bool );
+	FUNC6(canvas_item_add_texture_rect_region,RID, const Rect2& , RID ,const Rect2& ,const Color&,bool );
 	FUNC7(canvas_item_add_style_box,RID, const Rect2& , RID ,const Vector2& ,const Vector2&, bool ,const Color& );
 	FUNC6(canvas_item_add_primitive,RID, const Vector<Point2>& , const Vector<Color>& ,const Vector<Point2>& , RID ,float );
 	FUNC5(canvas_item_add_polygon,RID, const Vector<Point2>& , const Vector<Color>& ,const Vector<Point2>& , RID );
@@ -1134,18 +1139,54 @@ public:
 	FUNC2(canvas_item_set_z,RID,int);
 	FUNC2(canvas_item_set_z_as_relative_to_parent,RID,bool);
 
-	FUNC2(canvas_item_set_shader,RID, RID );
-	FUNC1RC(RID,canvas_item_get_shader,RID );
-
-	FUNC2(canvas_item_set_use_parent_shader,RID, bool );
-
+	FUNC2(canvas_item_set_material,RID, RID );
 
-	FUNC3(canvas_item_set_shader_param,RID,const StringName&,const Variant&);
-	FUNC2RC(Variant,canvas_item_get_shader_param,RID,const StringName&);
+	FUNC2(canvas_item_set_use_parent_material,RID, bool );
 
 	FUNC1(canvas_item_clear,RID);
 	FUNC1(canvas_item_raise,RID);
 
+	/* CANVAS LIGHT */
+	FUNC0R(RID,canvas_light_create);
+	FUNC2(canvas_light_attach_to_canvas,RID,RID);
+	FUNC2(canvas_light_set_enabled,RID,bool);
+	FUNC2(canvas_light_set_transform,RID,const Matrix32&);
+	FUNC2(canvas_light_set_texture,RID,RID);
+	FUNC2(canvas_light_set_texture_offset,RID,const Vector2&);
+	FUNC2(canvas_light_set_color,RID,const Color&);
+	FUNC2(canvas_light_set_height,RID,float);
+	FUNC3(canvas_light_set_layer_range,RID,int,int);
+	FUNC3(canvas_light_set_z_range,RID,int,int);
+	FUNC2(canvas_light_set_item_mask,RID,int);
+
+	FUNC2(canvas_light_set_subtract_mode,RID,bool);
+	FUNC2(canvas_light_set_shadow_enabled,RID,bool);
+	FUNC2(canvas_light_set_shadow_buffer_size,RID,int);
+	FUNC2(canvas_light_set_shadow_esm_multiplier,RID,float);
+
+
+	/* CANVAS OCCLUDER */
+
+	FUNC0R(RID,canvas_light_occluder_create);
+	FUNC2(canvas_light_occluder_attach_to_canvas,RID,RID);
+	FUNC2(canvas_light_occluder_set_enabled,RID,bool);
+	FUNC2(canvas_light_occluder_set_polygon,RID,RID);
+	FUNC2(canvas_light_occluder_set_transform,RID,const Matrix32&);
+	FUNC2(canvas_light_occluder_set_light_mask,RID,int);
+
+
+	FUNC0R(RID,canvas_occluder_polygon_create);
+	FUNC3(canvas_occluder_polygon_set_shape,RID,const DVector<Vector2>&,bool);
+	FUNC2(canvas_occluder_polygon_set_shape_as_lines,RID,const DVector<Vector2>&);
+	FUNC2(canvas_occluder_polygon_set_cull_mode,RID,CanvasOccluderPolygonCullMode);
+
+	/* CANVAS MATERIAL */
+
+	FUNC0R(RID,canvas_item_material_create);
+	FUNC2(canvas_item_material_set_shader,RID,RID);
+	FUNC3(canvas_item_material_set_shader_param,RID,const StringName&,const Variant&);
+	FUNC2RC(Variant,canvas_item_material_get_shader_param,RID,const StringName&);
+	FUNC2(canvas_item_material_set_unshaded,RID,bool);
 
 	/* CURSOR */
 	FUNC2(cursor_set_rotation,float , int ); // radians