support for light and normal mapping in 2D

core/math/math_2d.h

@@ -159,8 +159,8 @@ struct Vector2 {
 	
 	operator String() const { return String::num(x)+","+String::num(y); }
 	
-	inline Vector2(float p_x,float p_y) { x=p_x; y=p_y; }
-	inline Vector2() { x=0; y=0; }
+	_FORCE_INLINE_ Vector2(float p_x,float p_y) { x=p_x; y=p_y; }
+	_FORCE_INLINE_ Vector2() { x=0; y=0; }
 };
 
 _FORCE_INLINE_ Vector2 Vector2::plane_project(real_t p_d, const Vector2& p_vec) const {
@@ -198,6 +198,8 @@ Vector2 Vector2::linear_interpolate(const Vector2& p_a, const Vector2& p_b,float
 typedef Vector2 Size2;
 typedef Vector2 Point2;
 
+struct Matrix32;
+
 
 struct Rect2 {
 	
@@ -224,6 +226,8 @@ struct Rect2 {
 		return true;
 	}
 
+	_FORCE_INLINE_ bool intersects_transformed(const Matrix32& p_xform, const Rect2& p_rect) const;
+
 	bool intersects_segment(const Point2& p_from, const Point2& p_to, Point2* r_pos=NULL, Point2* r_normal=NULL) const;
 
 	inline bool encloses(const Rect2& p_rect) const {
@@ -597,6 +601,160 @@ struct Matrix32 {
 
 };
 
+bool Rect2::intersects_transformed(const Matrix32& p_xform, const Rect2& p_rect) const {
+
+	//SAT intersection between local and transformed rect2
+
+	Vector2 xf_points[4]={
+		p_xform.xform(p_rect.pos),
+		p_xform.xform(Vector2(p_rect.pos.x+p_rect.size.x,p_rect.pos.y)),
+		p_xform.xform(Vector2(p_rect.pos.x,p_rect.pos.y+p_rect.size.y)),
+		p_xform.xform(Vector2(p_rect.pos.x+p_rect.size.x,p_rect.pos.y+p_rect.size.y)),
+	};
+
+	real_t low_limit;
+
+	//base rect2 first (faster)
+
+	if (xf_points[0].y>pos.y)
+		goto next1;
+	if (xf_points[1].y>pos.y)
+		goto next1;
+	if (xf_points[2].y>pos.y)
+		goto next1;
+	if (xf_points[3].y>pos.y)
+		goto next1;
+
+	return false;
+
+	next1:
+
+	low_limit=pos.y+size.y;
+
+	if (xf_points[0].y<low_limit)
+		goto next2;
+	if (xf_points[1].y<low_limit)
+		goto next2;
+	if (xf_points[2].y<low_limit)
+		goto next2;
+	if (xf_points[3].y<low_limit)
+		goto next2;
+
+	return false;
+
+	next2:
+
+	if (xf_points[0].x>pos.x)
+		goto next3;
+	if (xf_points[1].x>pos.x)
+		goto next3;
+	if (xf_points[2].x>pos.x)
+		goto next3;
+	if (xf_points[3].x>pos.x)
+		goto next3;
+
+	return false;
+
+	next3:
+
+	low_limit=pos.x+size.x;
+
+	if (xf_points[0].x<low_limit)
+		goto next4;
+	if (xf_points[1].x<low_limit)
+		goto next4;
+	if (xf_points[2].x<low_limit)
+		goto next4;
+	if (xf_points[3].x<low_limit)
+		goto next4;
+
+	return false;
+
+	next4:
+
+	Vector2 xf_points2[4]={
+		pos,
+		Vector2(pos.x+size.x,pos.y),
+		Vector2(pos.x,pos.y+size.y),
+		Vector2(pos.x+size.x,pos.y+size.y),
+	};
+
+	real_t maxa=p_xform.elements[0].dot(xf_points2[0]);
+	real_t mina=maxa;
+
+	real_t dp = p_xform.elements[0].dot(xf_points2[1]);
+	maxa=MAX(dp,maxa);
+	mina=MIN(dp,mina);
+
+	dp = p_xform.elements[0].dot(xf_points2[2]);
+	maxa=MAX(dp,maxa);
+	mina=MIN(dp,mina);
+
+	dp = p_xform.elements[0].dot(xf_points2[3]);
+	maxa=MAX(dp,maxa);
+	mina=MIN(dp,mina);
+
+	real_t maxb=p_xform.elements[0].dot(xf_points[0]);
+	real_t minb=maxb;
+
+	dp = p_xform.elements[0].dot(xf_points[1]);
+	maxb=MAX(dp,maxb);
+	minb=MIN(dp,minb);
+
+	dp = p_xform.elements[0].dot(xf_points[2]);
+	maxb=MAX(dp,maxb);
+	minb=MIN(dp,minb);
+
+	dp = p_xform.elements[0].dot(xf_points[3]);
+	maxb=MAX(dp,maxb);
+	minb=MIN(dp,minb);
+
+
+	if ( mina > maxb )
+		return false;
+	if ( minb > maxa  )
+		return false;
+
+	maxa=p_xform.elements[1].dot(xf_points2[0]);
+	mina=maxa;
+
+	dp = p_xform.elements[1].dot(xf_points2[1]);
+	maxa=MAX(dp,maxa);
+	mina=MIN(dp,mina);
+
+	dp = p_xform.elements[1].dot(xf_points2[2]);
+	maxa=MAX(dp,maxa);
+	mina=MIN(dp,mina);
+
+	dp = p_xform.elements[1].dot(xf_points2[3]);
+	maxa=MAX(dp,maxa);
+	mina=MIN(dp,mina);
+
+	maxb=p_xform.elements[1].dot(xf_points[0]);
+	minb=maxb;
+
+	dp = p_xform.elements[1].dot(xf_points[1]);
+	maxb=MAX(dp,maxb);
+	minb=MIN(dp,minb);
+
+	dp = p_xform.elements[1].dot(xf_points[2]);
+	maxb=MAX(dp,maxb);
+	minb=MIN(dp,minb);
+
+	dp = p_xform.elements[1].dot(xf_points[3]);
+	maxb=MAX(dp,maxb);
+	minb=MIN(dp,minb);
+
+
+	if ( mina > maxb )
+		return false;
+	if ( minb > maxa  )
+		return false;
+
+
+	return true;
+
+}
 
 Vector2 Matrix32::basis_xform(const Vector2& v) const {
 

drivers/gles2/rasterizer_gles2.cpp

@@ -6409,7 +6409,7 @@ void RasterizerGLES2::_render_list_forward(RenderList *p_render_list,const Trans
 					 } break;
 					 case VS::MATERIAL_BLEND_MODE_SUB: {
 
-						glBlendEquation(GL_FUNC_SUBTRACT);
+						glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
 						glBlendFunc(GL_SRC_ALPHA,GL_ONE);
 					 } break;
 					case VS::MATERIAL_BLEND_MODE_MUL: {
@@ -7824,8 +7824,10 @@ void RasterizerGLES2::canvas_begin() {
 	//material_shader.unbind();
 	canvas_shader.unbind();
 	canvas_shader.set_custom_shader(0);
+	canvas_shader.set_conditional(CanvasShaderGLES2::USE_MODULATE,false);
 	canvas_shader.bind();
 	canvas_shader.set_uniform(CanvasShaderGLES2::TEXTURE, 0);
+	canvas_use_modulate=false;
 	_set_color_attrib(Color(1,1,1));
 	canvas_transform=Transform();
 	canvas_transform.translate(-(viewport.width / 2.0f), -(viewport.height / 2.0f), 0.0f);
@@ -7840,7 +7842,6 @@ void RasterizerGLES2::canvas_begin() {
 
 	canvas_opacity=1.0;
 	canvas_blend_mode=VS::MATERIAL_BLEND_MODE_MIX;
-
 	canvas_texscreen_used=false;
 	uses_texpixel_size=false;
 	canvas_last_shader=RID();
@@ -7876,7 +7877,7 @@ void RasterizerGLES2::canvas_set_blend_mode(VS::MaterialBlendMode p_mode) {
 		 } break;
 		 case VS::MATERIAL_BLEND_MODE_SUB: {
 
-			glBlendEquation(GL_FUNC_SUBTRACT);
+			glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
 			glBlendFunc(GL_SRC_ALPHA,GL_ONE);
 		 } break;
 		case VS::MATERIAL_BLEND_MODE_MUL: {
@@ -8325,13 +8326,265 @@ void RasterizerGLES2::canvas_set_transform(const Matrix32& p_transform) {
 	//canvas_transform = Variant(p_transform);
 }
 
+void RasterizerGLES2::_canvas_normal_set_flip(const Vector2& p_flip) {
+
+	if (p_flip==normal_flip)
+		return;
+	normal_flip=p_flip;
+	canvas_shader.set_uniform(CanvasShaderGLES2::NORMAL_FLIP,normal_flip);
+}
+
+
+template<bool use_normalmap>
+void RasterizerGLES2::_canvas_item_render_commands(CanvasItem *p_item,CanvasItem *current_clip,bool &reclip) {
+
+	int cc=p_item->commands.size();
+	CanvasItem::Command **commands = p_item->commands.ptr();
+
+
+	for(int i=0;i<cc;i++) {
+
+		CanvasItem::Command *c=commands[i];
+
+		switch(c->type) {
+			case CanvasItem::Command::TYPE_LINE: {
+
+				CanvasItem::CommandLine* line = static_cast<CanvasItem::CommandLine*>(c);
+				canvas_draw_line(line->from,line->to,line->color,line->width);
+			} break;
+			case CanvasItem::Command::TYPE_RECT: {
+
+				CanvasItem::CommandRect* rect = static_cast<CanvasItem::CommandRect*>(c);
+//						canvas_draw_rect(rect->rect,rect->region,rect->source,rect->flags&CanvasItem::CommandRect::FLAG_TILE,rect->flags&CanvasItem::CommandRect::FLAG_FLIP_H,rect->flags&CanvasItem::CommandRect::FLAG_FLIP_V,rect->texture,rect->modulate);
+#if 0
+				int flags=0;
+
+				if (rect->flags&CanvasItem::CommandRect::FLAG_REGION) {
+					flags|=Rasterizer::CANVAS_RECT_REGION;
+				}
+				if (rect->flags&CanvasItem::CommandRect::FLAG_TILE) {
+					flags|=Rasterizer::CANVAS_RECT_TILE;
+				}
+				if (rect->flags&CanvasItem::CommandRect::FLAG_FLIP_H) {
+
+					flags|=Rasterizer::CANVAS_RECT_FLIP_H;
+				}
+				if (rect->flags&CanvasItem::CommandRect::FLAG_FLIP_V) {
+
+					flags|=Rasterizer::CANVAS_RECT_FLIP_V;
+				}
+#else
+
+				int flags=rect->flags;
+#endif
+				if (use_normalmap)
+					_canvas_normal_set_flip(Vector2((flags&CANVAS_RECT_FLIP_H)?-1:1,(flags&CANVAS_RECT_FLIP_V)?-1:1));
+				canvas_draw_rect(rect->rect,flags,rect->source,rect->texture,rect->modulate);
+
+			} break;
+			case CanvasItem::Command::TYPE_STYLE: {
+
+				CanvasItem::CommandStyle* style = static_cast<CanvasItem::CommandStyle*>(c);
+				if (use_normalmap)
+					_canvas_normal_set_flip(Vector2(1,1));
+				canvas_draw_style_box(style->rect,style->texture,style->margin,style->draw_center,style->color);
+
+			} break;
+			case CanvasItem::Command::TYPE_PRIMITIVE: {
+
+				if (use_normalmap)
+					_canvas_normal_set_flip(Vector2(1,1));
+				CanvasItem::CommandPrimitive* primitive = static_cast<CanvasItem::CommandPrimitive*>(c);
+				canvas_draw_primitive(primitive->points,primitive->colors,primitive->uvs,primitive->texture,primitive->width);
+			} break;
+			case CanvasItem::Command::TYPE_POLYGON: {
+
+				if (use_normalmap)
+					_canvas_normal_set_flip(Vector2(1,1));
+				CanvasItem::CommandPolygon* polygon = static_cast<CanvasItem::CommandPolygon*>(c);
+				canvas_draw_polygon(polygon->count,polygon->indices.ptr(),polygon->points.ptr(),polygon->uvs.ptr(),polygon->colors.ptr(),polygon->texture,polygon->colors.size()==1);
+
+			} break;
+
+			case CanvasItem::Command::TYPE_POLYGON_PTR: {
+
+				if (use_normalmap)
+					_canvas_normal_set_flip(Vector2(1,1));
+				CanvasItem::CommandPolygonPtr* polygon = static_cast<CanvasItem::CommandPolygonPtr*>(c);
+				canvas_draw_polygon(polygon->count,polygon->indices,polygon->points,polygon->uvs,polygon->colors,polygon->texture,false);
+			} break;
+			case CanvasItem::Command::TYPE_CIRCLE: {
+
+				CanvasItem::CommandCircle* circle = static_cast<CanvasItem::CommandCircle*>(c);
+				static const int numpoints=32;
+				Vector2 points[numpoints+1];
+				points[numpoints]=circle->pos;
+				int indices[numpoints*3];
+
+				for(int i=0;i<numpoints;i++) {
+
+					points[i]=circle->pos+Vector2( Math::sin(i*Math_PI*2.0/numpoints),Math::cos(i*Math_PI*2.0/numpoints) )*circle->radius;
+					indices[i*3+0]=i;
+					indices[i*3+1]=(i+1)%numpoints;
+					indices[i*3+2]=numpoints;
+				}
+				canvas_draw_polygon(numpoints*3,indices,points,NULL,&circle->color,RID(),true);
+				//canvas_draw_circle(circle->indices.size(),circle->indices.ptr(),circle->points.ptr(),circle->uvs.ptr(),circle->colors.ptr(),circle->texture,circle->colors.size()==1);
+			} break;
+			case CanvasItem::Command::TYPE_TRANSFORM: {
+
+				CanvasItem::CommandTransform* transform = static_cast<CanvasItem::CommandTransform*>(c);
+				canvas_set_transform(transform->xform);
+			} break;
+			case CanvasItem::Command::TYPE_BLEND_MODE: {
+
+				CanvasItem::CommandBlendMode* bm = static_cast<CanvasItem::CommandBlendMode*>(c);
+				canvas_set_blend_mode(bm->blend_mode);
+
+			} break;
+			case CanvasItem::Command::TYPE_CLIP_IGNORE: {
+
+				CanvasItem::CommandClipIgnore* ci = static_cast<CanvasItem::CommandClipIgnore*>(c);
+				if (current_clip) {
+
+					if (ci->ignore!=reclip) {
+						if (ci->ignore) {
+
+							glDisable(GL_SCISSOR_TEST);
+							reclip=true;
+						} else  {
+
+							glEnable(GL_SCISSOR_TEST);
+							glScissor(viewport.x+current_clip->final_clip_rect.pos.x,viewport.y+ (viewport.height-(current_clip->final_clip_rect.pos.y+current_clip->final_clip_rect.size.height)),
+							current_clip->final_clip_rect.size.width,current_clip->final_clip_rect.size.height);
+							reclip=false;
+						}
+					}
+				}
+
+
+
+			} break;
+		}
+	}
+
+}
+
+void RasterizerGLES2::_canvas_item_setup_shader_params(CanvasItem *shader_owner,Shader* shader) {
+
+	if (canvas_shader.bind())
+		rebind_texpixel_size=true;
+
+	if (shader_owner->shader_version!=shader->version) {
+		//todo optimize uniforms
+		shader_owner->shader_version=shader->version;
+	}
 
-void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list) {
+	if (shader->has_texscreen && framebuffer.active) {
+
+		int x = viewport.x;
+		int y = window_size.height-(viewport.height+viewport.y);
+
+		canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_SCREEN_MULT,Vector2(float(viewport.width)/framebuffer.width,float(viewport.height)/framebuffer.height));
+		canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_SCREEN_CLAMP,Color(float(x)/framebuffer.width,float(y)/framebuffer.height,float(x+viewport.width)/framebuffer.width,float(y+viewport.height)/framebuffer.height));
+		canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_TEX,max_texture_units-1);
+		glActiveTexture(GL_TEXTURE0+max_texture_units-1);
+		glBindTexture(GL_TEXTURE_2D,framebuffer.sample_color);
+		if (framebuffer.scale==1 && !canvas_texscreen_used) {
+#ifdef GLEW_ENABLED
+			glReadBuffer(GL_COLOR_ATTACHMENT0);
+#endif
+			glCopyTexSubImage2D(GL_TEXTURE_2D,0,x,y,x,y,viewport.width,viewport.height);
+//			if (current_clip) {
+//			//	print_line(" a clip ");
+//			}
+
+			canvas_texscreen_used=true;
+		}
+
+		glActiveTexture(GL_TEXTURE0);
+
+	}
+
+	if (shader->has_screen_uv) {
+		canvas_shader.set_uniform(CanvasShaderGLES2::SCREEN_UV_MULT,Vector2(1.0/viewport.width,1.0/viewport.height));
+	}
+
+	if (shader->uses_time) {
+		canvas_shader.set_uniform(CanvasShaderGLES2::TIME,Math::fmod(last_time,300.0));
+		draw_next_frame=true;
+	}
+		//if uses TIME - draw_next_frame=true
+
+	uses_texpixel_size=shader->uses_texpixel_size;
+
+}
+
+void RasterizerGLES2::_canvas_item_setup_shader_uniforms(CanvasItem *shader_owner,Shader* shader) {
+
+	//this can be optimized..
+	int tex_id=1;
+	int idx=0;
+	for(Map<StringName,ShaderLanguage::Uniform>::Element *E=shader->uniforms.front();E;E=E->next()) {
+
+		Map<StringName,Variant>::Element *F=shader_owner->shader_param.find(E->key());
+
+		if ((E->get().type==ShaderLanguage::TYPE_TEXTURE || E->get().type==ShaderLanguage::TYPE_CUBEMAP)) {
+
+			RID rid;
+			if (F) {
+				rid=F->get();
+			}
+
+			if (!rid.is_valid()) {
+
+				Map<StringName,RID>::Element *DT=shader->default_textures.find(E->key());
+				if (DT) {
+					rid=DT->get();
+				}
+			}
+
+			if (rid.is_valid()) {
+
+				int loc = canvas_shader.get_custom_uniform_location(idx); //should be automatic..
+
+				glActiveTexture(GL_TEXTURE0+tex_id);
+				Texture *t=texture_owner.get(rid);
+				if (!t)
+					glBindTexture(GL_TEXTURE_2D,white_tex);
+				else
+					glBindTexture(t->target,t->tex_id);
+
+				glUniform1i(loc,tex_id);
+				tex_id++;
+			}
+		} else {
+			Variant &v=F?F->get():E->get().default_value;
+			canvas_shader.set_custom_uniform(idx,v);
+		}
+
+		idx++;
+	}
+
+	if (tex_id>1) {
+		glActiveTexture(GL_TEXTURE0);
+	}
+
+}
+
+void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list,int p_z,const Color& p_modulate,CanvasLight *p_light) {
 
 
 	CanvasItem *current_clip=NULL;
 	Shader *shader_cache=NULL;
+
+	bool rebind_shader=true;
+
 	canvas_opacity=1.0;
+	canvas_use_modulate=p_modulate!=Color(1,1,1,1);
+	canvas_modulate=p_modulate;
+	canvas_shader.set_conditional(CanvasShaderGLES2::USE_MODULATE,canvas_use_modulate);
+
 	while(p_item_list) {
 
 		CanvasItem *ci=p_item_list;
@@ -8343,6 +8596,12 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list) {
 			memdelete(ci->vp_render);
 			ci->vp_render=NULL;
 			canvas_last_shader=RID();
+			canvas_use_modulate=p_modulate!=Color(1,1,1,1);
+			canvas_modulate=p_modulate;
+			canvas_shader.set_conditional(CanvasShaderGLES2::USE_MODULATE,canvas_use_modulate);
+			rebind_shader=true;
+
+
 		}
 
 		if (current_clip!=ci->final_clip_owner) {
@@ -8365,7 +8624,7 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list) {
 		//begin rect
 		CanvasItem *shader_owner = ci->shader_owner?ci->shader_owner:ci;
 
-		if (shader_owner->shader!=canvas_last_shader) {
+		if (shader_owner->shader!=canvas_last_shader || rebind_shader) {
 
 			Shader *shader = NULL;
 			if (shader_owner->shader.is_valid()) {
@@ -8379,52 +8638,7 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list) {
 
 			if (shader) {
 				canvas_shader.set_custom_shader(shader->custom_code_id);
-				if (canvas_shader.bind())
-					rebind_texpixel_size=true;
-
-				if (shader_owner->shader_version!=shader->version) {
-					//todo optimize uniforms
-					shader_owner->shader_version=shader->version;
-				}
-
-				if (shader->has_texscreen && framebuffer.active) {
-
-					int x = viewport.x;
-					int y = window_size.height-(viewport.height+viewport.y);
-
-					canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_SCREEN_MULT,Vector2(float(viewport.width)/framebuffer.width,float(viewport.height)/framebuffer.height));
-					canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_SCREEN_CLAMP,Color(float(x)/framebuffer.width,float(y)/framebuffer.height,float(x+viewport.width)/framebuffer.width,float(y+viewport.height)/framebuffer.height));
-					canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_TEX,max_texture_units-1);
-					glActiveTexture(GL_TEXTURE0+max_texture_units-1);
-					glBindTexture(GL_TEXTURE_2D,framebuffer.sample_color);
-					if (framebuffer.scale==1 && !canvas_texscreen_used) {
-#ifdef GLEW_ENABLED
-						glReadBuffer(GL_COLOR_ATTACHMENT0);
-#endif
-						glCopyTexSubImage2D(GL_TEXTURE_2D,0,x,y,x,y,viewport.width,viewport.height);
-						if (current_clip) {
-						//	print_line(" a clip ");
-						}
-
-						canvas_texscreen_used=true;
-					}	
-
-					glActiveTexture(GL_TEXTURE0);
-
-				}
-
-				if (shader->has_screen_uv) {
-					canvas_shader.set_uniform(CanvasShaderGLES2::SCREEN_UV_MULT,Vector2(1.0/viewport.width,1.0/viewport.height));
-				}
-
-				if (shader->uses_time) {
-					canvas_shader.set_uniform(CanvasShaderGLES2::TIME,Math::fmod(last_time,300.0));
-					draw_next_frame=true;
-				}
-					//if uses TIME - draw_next_frame=true
-
-				uses_texpixel_size=shader->uses_texpixel_size;
-
+				_canvas_item_setup_shader_params(shader_owner,shader);
 			} else {
 				shader_cache=NULL;
 				canvas_shader.set_custom_shader(0);
@@ -8435,60 +8649,15 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list) {
 
 
 			canvas_shader.set_uniform(CanvasShaderGLES2::PROJECTION_MATRIX,canvas_transform);
+			if (canvas_use_modulate)
+				canvas_shader.set_uniform(CanvasShaderGLES2::MODULATE,canvas_modulate);
 			canvas_last_shader=shader_owner->shader;
+			rebind_shader=false;
 		}
 
 		if (shader_cache) {
 
-			Shader *shader = shader_cache;
-			//this can be optimized..
-			int tex_id=1;
-			int idx=0;
-			for(Map<StringName,ShaderLanguage::Uniform>::Element *E=shader->uniforms.front();E;E=E->next()) {
-
-				Map<StringName,Variant>::Element *F=shader_owner->shader_param.find(E->key());
-
-				if ((E->get().type==ShaderLanguage::TYPE_TEXTURE || E->get().type==ShaderLanguage::TYPE_CUBEMAP)) {
-
-					RID rid;
-					if (F) {
-						rid=F->get();
-					}
-
-					if (!rid.is_valid()) {
-
-						Map<StringName,RID>::Element *DT=shader->default_textures.find(E->key());
-						if (DT) {
-							rid=DT->get();
-						}
-					}
-
-					if (rid.is_valid()) {
-
-						int loc = canvas_shader.get_custom_uniform_location(idx); //should be automatic..
-
-						glActiveTexture(GL_TEXTURE0+tex_id);
-						Texture *t=texture_owner.get(rid);
-						if (!t)
-							glBindTexture(GL_TEXTURE_2D,white_tex);
-						else
-							glBindTexture(t->target,t->tex_id);
-
-						glUniform1i(loc,tex_id);
-						tex_id++;
-					}
-				} else {
-					Variant &v=F?F->get():E->get().default_value;
-					canvas_shader.set_custom_uniform(idx,v);
-				}
-
-				idx++;
-			}
-
-			if (tex_id>1) {
-				glActiveTexture(GL_TEXTURE0);
-			}
-
+			_canvas_item_setup_shader_uniforms(shader_owner,shader_cache);
 		}
 
 		canvas_shader.set_uniform(CanvasShaderGLES2::MODELVIEW_MATRIX,ci->final_transform);
@@ -8514,7 +8683,7 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list) {
 				 } break;
 				 case VS::MATERIAL_BLEND_MODE_SUB: {
 
-					glBlendEquation(GL_FUNC_SUBTRACT);
+					glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
 					glBlendFunc(GL_SRC_ALPHA,GL_ONE);
 				 } break;
 				case VS::MATERIAL_BLEND_MODE_MUL: {
@@ -8531,128 +8700,114 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list) {
 			canvas_blend_mode=ci->blend_mode;
 		}
 
-		int cc=ci->commands.size();
-		CanvasItem::Command **commands = ci->commands.ptr();
-
 		canvas_opacity = ci->final_opacity;
 
-		for(int i=0;i<cc;i++) {
+		_canvas_item_render_commands<false>(ci,current_clip,reclip);
 
-			CanvasItem::Command *c=commands[i];
+		if (canvas_blend_mode==VS::MATERIAL_BLEND_MODE_MIX && p_light) {
 
-			switch(c->type) {
-				case CanvasItem::Command::TYPE_LINE: {
+			CanvasLight *light = p_light;
+			bool light_used=false;
+			bool subtract=false;
 
-					CanvasItem::CommandLine* line = static_cast<CanvasItem::CommandLine*>(c);
-					canvas_draw_line(line->from,line->to,line->color,line->width);
-				} break;
-				case CanvasItem::Command::TYPE_RECT: {
 
-					CanvasItem::CommandRect* rect = static_cast<CanvasItem::CommandRect*>(c);
-//						canvas_draw_rect(rect->rect,rect->region,rect->source,rect->flags&CanvasItem::CommandRect::FLAG_TILE,rect->flags&CanvasItem::CommandRect::FLAG_FLIP_H,rect->flags&CanvasItem::CommandRect::FLAG_FLIP_V,rect->texture,rect->modulate);
-#if 0
-					int flags=0;
+			while(light) {
 
-					if (rect->flags&CanvasItem::CommandRect::FLAG_REGION) {
-						flags|=Rasterizer::CANVAS_RECT_REGION;
-					}
-					if (rect->flags&CanvasItem::CommandRect::FLAG_TILE) {
-						flags|=Rasterizer::CANVAS_RECT_TILE;
-					}
-					if (rect->flags&CanvasItem::CommandRect::FLAG_FLIP_H) {
+				if (ci->light_mask&light->item_mask && p_z>=light->z_min && p_z<=light->z_max && ci->global_rect_cache.intersects_transformed(light->xform_cache,light->rect_cache)) {
 
-						flags|=Rasterizer::CANVAS_RECT_FLIP_H;
-					}
-					if (rect->flags&CanvasItem::CommandRect::FLAG_FLIP_V) {
+					//intersects this light
 
-						flags|=Rasterizer::CANVAS_RECT_FLIP_V;
-					}
-#else
+					if (!light_used || subtract!=light->subtract) {
 
-					int flags=rect->flags;
-#endif
-					canvas_draw_rect(rect->rect,flags,rect->source,rect->texture,rect->modulate);
+						subtract=light->subtract;
 
-				} break;
-				case CanvasItem::Command::TYPE_STYLE: {
+						if (subtract) {
 
-					CanvasItem::CommandStyle* style = static_cast<CanvasItem::CommandStyle*>(c);
-					canvas_draw_style_box(style->rect,style->texture,style->margin,style->draw_center,style->color);
+							glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
+							glBlendFunc(GL_SRC_ALPHA,GL_ONE);
 
-				} break;
-				case CanvasItem::Command::TYPE_PRIMITIVE: {
+						} else {
 
-					CanvasItem::CommandPrimitive* primitive = static_cast<CanvasItem::CommandPrimitive*>(c);
-					canvas_draw_primitive(primitive->points,primitive->colors,primitive->uvs,primitive->texture,primitive->width);
-				} break;
-				case CanvasItem::Command::TYPE_POLYGON: {
+							glBlendEquation(GL_FUNC_ADD);
+							glBlendFunc(GL_SRC_ALPHA,GL_ONE);
 
-					CanvasItem::CommandPolygon* polygon = static_cast<CanvasItem::CommandPolygon*>(c);
-					canvas_draw_polygon(polygon->count,polygon->indices.ptr(),polygon->points.ptr(),polygon->uvs.ptr(),polygon->colors.ptr(),polygon->texture,polygon->colors.size()==1);
+						}
+					}
 
-				} break;
+					if (!light_used) {
 
-				case CanvasItem::Command::TYPE_POLYGON_PTR: {
+						canvas_shader.set_conditional(CanvasShaderGLES2::USE_LIGHTING,true);
+						canvas_shader.set_conditional(CanvasShaderGLES2::USE_MODULATE,false);
+						light_used=true;
+						normal_flip=Vector2(1,1);
 
-					CanvasItem::CommandPolygonPtr* polygon = static_cast<CanvasItem::CommandPolygonPtr*>(c);
-					canvas_draw_polygon(polygon->count,polygon->indices,polygon->points,polygon->uvs,polygon->colors,polygon->texture,false);
-				} break;
-				case CanvasItem::Command::TYPE_CIRCLE: {
+					}
+					bool light_rebind = canvas_shader.bind();
 
-					CanvasItem::CommandCircle* circle = static_cast<CanvasItem::CommandCircle*>(c);
-					static const int numpoints=32;
-					Vector2 points[numpoints+1];
-					points[numpoints]=circle->pos;
-					int indices[numpoints*3];
+					if (light_rebind) {
+
+						if (shader_owner && shader_cache) {
+							_canvas_item_setup_shader_params(shader_owner,shader_cache);
+							_canvas_item_setup_shader_uniforms(shader_owner,shader_cache);
+						}
+
+						canvas_shader.set_uniform(CanvasShaderGLES2::MODELVIEW_MATRIX,ci->final_transform);
+						canvas_shader.set_uniform(CanvasShaderGLES2::EXTRA_MATRIX,Matrix32());
+						canvas_shader.set_uniform(CanvasShaderGLES2::PROJECTION_MATRIX,canvas_transform);
+						if (canvas_use_modulate)
+							canvas_shader.set_uniform(CanvasShaderGLES2::MODULATE,canvas_modulate);
+						canvas_shader.set_uniform(CanvasShaderGLES2::NORMAL_FLIP,Vector2(1,1));
 
-					for(int i=0;i<numpoints;i++) {
 
-						points[i]=circle->pos+Vector2( Math::sin(i*Math_PI*2.0/numpoints),Math::cos(i*Math_PI*2.0/numpoints) )*circle->radius;
-						indices[i*3+0]=i;
-						indices[i*3+1]=(i+1)%numpoints;
-						indices[i*3+2]=numpoints;
 					}
-					canvas_draw_polygon(numpoints*3,indices,points,NULL,&circle->color,RID(),true);
-					//canvas_draw_circle(circle->indices.size(),circle->indices.ptr(),circle->points.ptr(),circle->uvs.ptr(),circle->colors.ptr(),circle->texture,circle->colors.size()==1);
-				} break;
-				case CanvasItem::Command::TYPE_TRANSFORM: {
 
-					CanvasItem::CommandTransform* transform = static_cast<CanvasItem::CommandTransform*>(c);
-					canvas_set_transform(transform->xform);
-				} break;
-				case CanvasItem::Command::TYPE_BLEND_MODE: {
+					canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_MATRIX,light->light_shader_xform);
+					canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_POS,light->light_shader_pos);
+					canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_COLOR,light->color);
+					canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_HEIGHT,light->height);
+					glActiveTexture(GL_TEXTURE0+max_texture_units-2);
+					canvas_shader.set_uniform(CanvasShaderGLES2::LIGHT_TEXTURE,max_texture_units-2);
+					Texture *t = texture_owner.get(light->texture);
+					if (!t) {
+						glBindTexture(GL_TEXTURE_2D,white_tex);
+					} else {
 
-					CanvasItem::CommandBlendMode* bm = static_cast<CanvasItem::CommandBlendMode*>(c);
-					canvas_set_blend_mode(bm->blend_mode);
+						glBindTexture(t->target,t->tex_id);
+					}
 
-				} break;
-				case CanvasItem::Command::TYPE_CLIP_IGNORE: {
+					glActiveTexture(GL_TEXTURE0);
+					_canvas_item_render_commands<true>(ci,current_clip,reclip); //redraw using light
 
-					CanvasItem::CommandClipIgnore* ci = static_cast<CanvasItem::CommandClipIgnore*>(c);
-					if (current_clip) {
+				}
 
-						if (ci->ignore!=reclip) {
-							if (ci->ignore) {
+				light=light->next_ptr;
+			}
 
-								glDisable(GL_SCISSOR_TEST);
-								reclip=true;
-							} else  {
+			if (light_used) {
 
-								glEnable(GL_SCISSOR_TEST);
-								glScissor(viewport.x+current_clip->final_clip_rect.pos.x,viewport.y+ (viewport.height-(current_clip->final_clip_rect.pos.y+current_clip->final_clip_rect.size.height)),
-								current_clip->final_clip_rect.size.width,current_clip->final_clip_rect.size.height);
-								reclip=false;
-							}
-						}
-					}
 
+				canvas_shader.set_conditional(CanvasShaderGLES2::USE_LIGHTING,false);
+				canvas_shader.set_conditional(CanvasShaderGLES2::USE_MODULATE,canvas_use_modulate);
 
+				canvas_shader.bind();
 
-				} break;
+				if (shader_owner && shader_cache) {
+					_canvas_item_setup_shader_params(shader_owner,shader_cache);
+					_canvas_item_setup_shader_uniforms(shader_owner,shader_cache);
+				}
+
+				canvas_shader.set_uniform(CanvasShaderGLES2::MODELVIEW_MATRIX,ci->final_transform);
+				canvas_shader.set_uniform(CanvasShaderGLES2::EXTRA_MATRIX,Matrix32());
+				if (canvas_use_modulate)
+					canvas_shader.set_uniform(CanvasShaderGLES2::MODULATE,canvas_modulate);
+
+				glBlendEquation(GL_FUNC_ADD);
+				glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
 			}
-		}
 
 
+		}
+
 		if (reclip) {
 
 			glEnable(GL_SCISSOR_TEST);

drivers/gles2/rasterizer_gles2.h

@@ -1127,6 +1127,7 @@ class RasterizerGLES2 : public Rasterizer {
 		bool active;
 
 		int blur_size;
+
 		struct Blur {
 
 			GLuint fbo;
@@ -1186,11 +1187,15 @@ class RasterizerGLES2 : public Rasterizer {
 	GLuint white_tex;
 	RID canvas_tex;
 	float canvas_opacity;
+	Color canvas_modulate;
+	bool canvas_use_modulate;
 	bool uses_texpixel_size;
 	bool rebind_texpixel_size;
 	Transform canvas_transform;
 	RID canvas_last_shader;
 	bool canvas_texscreen_used;
+	Vector2 normal_flip;
+	_FORCE_INLINE_ void _canvas_normal_set_flip(const Vector2& p_flip);
 
 
 	_FORCE_INLINE_ Texture* _bind_canvas_texture(const RID& p_texture);
@@ -1247,6 +1252,10 @@ class RasterizerGLES2 : public Rasterizer {
 	GLuint tc0_id_cache;
 	GLuint tc0_idx;
 
+	template<bool use_normalmap>
+	_FORCE_INLINE_ void _canvas_item_render_commands(CanvasItem *p_item,CanvasItem *current_clip,bool &reclip);
+	_FORCE_INLINE_ void _canvas_item_setup_shader_params(CanvasItem *shader_owner,Shader* p_shader);
+	_FORCE_INLINE_ void _canvas_item_setup_shader_uniforms(CanvasItem *shader_owner,Shader* p_shader);
 public:
 
 	/* TEXTURE API */
@@ -1562,7 +1571,8 @@ 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 */
 

drivers/gles2/shader_compiler_gles2.cpp

@@ -261,6 +261,11 @@ String ShaderCompilerGLES2::dump_node_code(SL::Node *p_node,int p_level,bool p_a
 					uses_light=true;
 				}
 
+				if (vnode->name==vname_normal) {
+					uses_normal=true;
+				}
+
+
 			}
 
 			if (vnode->name==vname_time) {
@@ -636,7 +641,7 @@ Error ShaderCompilerGLES2::compile(const String& p_code, ShaderLanguage::ShaderT
 	r_flags.uses_light=uses_light;
 	r_flags.uses_time=uses_time;
 	r_flags.uses_normalmap=uses_normalmap;
-	r_flags.uses_normal=uses_normalmap;
+	r_flags.uses_normal=uses_normal;
 	r_flags.uses_texpixel_size=uses_texpixel_size;
 	r_flags.uses_worldvec=uses_worldvec;
 	r_code_line=code;

drivers/gles2/shaders/canvas.glsl

@@ -26,7 +26,13 @@ uniform float time;
 #ifdef USE_LIGHTING
 
 uniform highp mat4 light_matrix;
-varying vec4 light_tex_pos;
+uniform vec2 light_pos;
+varying vec4 light_uv_interp;
+
+#if defined(NORMAL_USED)
+varying vec4 local_rot;
+uniform vec2 normal_flip;
+#endif
 
 #endif
 
@@ -67,8 +73,13 @@ VERTEX_SHADER_CODE
 
 #ifdef USE_LIGHTING
 
-	light_tex_pos.xy = light_matrix * gl_Position;
-	light_tex_pos.zw=outvec.xy - light_matrix[4].xy; //likely wrong
+	light_uv_interp.xy = (light_matrix * outvec).xy;
+	light_uv_interp.zw = outvec.xy-light_pos;
+
+#if defined(NORMAL_USED)
+	local_rot.xy=normalize( (modelview_matrix * ( extra_matrix * vec4(1.0,0.0,0.0,0.0) )).xy  )*normal_flip.x;
+	local_rot.zw=normalize( (modelview_matrix * ( extra_matrix * vec4(0.0,1.0,0.0,0.0) )).xy  )*normal_flip.y;
+#endif
 
 #endif
 
@@ -121,11 +132,22 @@ varying vec4 var2_interp;
 uniform float time;
 #endif
 
+#ifdef USE_MODULATE
+
+uniform vec4 modulate;
+
+#endif
 
 #ifdef USE_LIGHTING
 
 uniform sampler2D light_texture;
-varying vec4 light_tex_pos;
+uniform vec4 light_color;
+uniform float light_height;
+varying vec4 light_uv_interp;
+
+#if defined(NORMAL_USED)
+varying vec4 local_rot;
+#endif
 
 #ifdef USE_SHADOWS
 
@@ -151,6 +173,11 @@ void main() {
 	vec3 normal = vec3(0,0,1);
 #endif
 
+#ifdef USE_MODULATE
+
+	color*=modulate;
+#endif
+
 	color *= texture2D( texture,  uv_interp );
 #if defined(ENABLE_SCREEN_UV)
 	vec2 screen_uv = gl_FragCoord.xy*screen_uv_mult;
@@ -166,9 +193,13 @@ FRAGMENT_SHADER_CODE
 
 #ifdef USE_LIGHTING
 
+#if defined(NORMAL_USED)
+	normal.xy =  mat2(local_rot.xy,local_rot.zw) * normal.xy;
+#endif
+
 	float att=1.0;
 
-	vec3 light = texture2D(light_texture,light_tex_pos).rgb;
+	vec4 light = texture2D(light_texture,light_uv_interp.xy) * light_color;
 #ifdef USE_SHADOWS
 	//this might not be that great on mobile?
 	float light_dist = length(light_texture.zw);
@@ -183,18 +214,29 @@ FRAGMENT_SHADER_CODE
 #if defined(USE_LIGHT_SHADER_CODE)
 //light is written by the light shader
 {
-	vec2 light_dir = normalize(light_tex_pos.zw);
-	float light_distance = length(light_tex_pos.zw);
+	vec2 light_dir = normalize(light_uv_interp.zw);
+	float light_distance = length(light_uv_interp.zw);
 LIGHT_SHADER_CODE
 }
+
 #else
 
 #if defined(NORMAL_USED)
-	vec2 light_normal = normalize(light_tex_pos.zw);
-	light = color.rgb * light * max(dot(light_normal,normal),0);
+	vec3 light_normal = normalize(vec3(light_uv_interp.zw,-light_height));
+	light*=max(dot(-light_normal,normal),0);
 #endif
 
-	color.rgb=light;
+	color*=light;
+/*
+#ifdef USE_NORMAL
+	color.xy=local_rot.xy;//normal.xy;
+	color.zw=vec2(0.0,1.0);
+#endif
+*/
+	if (any(lessThan(light_uv_interp.xy,vec2(0.0,0.0))) || any(greaterThanEqual(light_uv_interp.xy,vec2(1.0,1.0)))) {
+		color.a=0.0; //invisible
+	}
+
 //light shader code
 #endif
 

platform/winrt/os_winrt.cpp

@@ -27,7 +27,6 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 #include "drivers/gles2/rasterizer_gles2.h"
-#include "drivers/gles1/rasterizer_gles1.h"
 #include "os_winrt.h"
 #include "drivers/nedmalloc/memory_pool_static_nedmalloc.h"
 #include "drivers/unix/memory_pool_static_malloc.h"
@@ -62,11 +61,11 @@ using namespace Microsoft::WRL;
 
 int OSWinrt::get_video_driver_count() const {
 
-	return 2;
+	return 1;
 }
 const char * OSWinrt::get_video_driver_name(int p_driver) const {
 
-	return p_driver==0?"GLES2":"GLES1";
+	return "GLES2";
 }
 
 OS::VideoMode OSWinrt::get_default_video_mode() const {

scene/2d/canvas_item.cpp

@@ -458,6 +458,16 @@ CanvasItem::BlendMode CanvasItem::get_blend_mode() const {
 	return blend_mode;
 }
 
+void CanvasItem::set_light_mask(int p_light_mask) {
+
+	light_mask=p_light_mask;
+	VS::get_singleton()->canvas_item_set_light_mask(canvas_item,p_light_mask);
+}
+
+int CanvasItem::get_light_mask() const{
+
+	return light_mask;
+}
 
 
 void CanvasItem::item_rect_changed() {
@@ -857,6 +867,9 @@ void CanvasItem::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_blend_mode","blend_mode"),&CanvasItem::set_blend_mode);
 	ObjectTypeDB::bind_method(_MD("get_blend_mode"),&CanvasItem::get_blend_mode);
 
+	ObjectTypeDB::bind_method(_MD("set_light_mask","light_mask"),&CanvasItem::set_light_mask);
+	ObjectTypeDB::bind_method(_MD("get_light_mask"),&CanvasItem::get_light_mask);
+
 	ObjectTypeDB::bind_method(_MD("set_opacity","opacity"),&CanvasItem::set_opacity);
 	ObjectTypeDB::bind_method(_MD("get_opacity"),&CanvasItem::get_opacity);
 	ObjectTypeDB::bind_method(_MD("set_self_opacity","self_opacity"),&CanvasItem::set_self_opacity);
@@ -912,6 +925,7 @@ void CanvasItem::_bind_methods() {
 	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"visibility/on_top",PROPERTY_HINT_NONE,"",0), _SCS("_set_on_top"),_SCS("_is_on_top") ); //compatibility
 
 	ADD_PROPERTYNZ( PropertyInfo(Variant::INT,"visibility/blend_mode",PROPERTY_HINT_ENUM, "Mix,Add,Sub,Mul,PMAlpha"), _SCS("set_blend_mode"),_SCS("get_blend_mode") );
+	ADD_PROPERTYNZ( PropertyInfo(Variant::INT,"visibility/light_mask",PROPERTY_HINT_ALL_FLAGS), _SCS("set_light_mask"),_SCS("get_light_mask") );
 	ADD_PROPERTYNZ( PropertyInfo(Variant::OBJECT,"shader/shader",PROPERTY_HINT_RESOURCE_TYPE, "CanvasItemShader,CanvasItemShaderGraph"), _SCS("set_shader"),_SCS("get_shader") );
 	ADD_PROPERTYNZ( PropertyInfo(Variant::BOOL,"shader/use_parent"), _SCS("set_use_parent_shader"),_SCS("get_use_parent_shader") );
 	//exporting these two things doesn't really make much sense i think
@@ -992,6 +1006,7 @@ CanvasItem::CanvasItem() : xform_change(this) {
 	canvas_layer=NULL;
 	use_parent_shader=false;
 	global_invalid=true;
+	light_mask=1;
 
 	C=NULL;
 

scene/2d/canvas_item.h

@@ -71,6 +71,7 @@ private:
 	List<CanvasItem*>::Element *C;
 
 	BlendMode blend_mode;
+	int light_mask;
 
 	bool first_draw;
 	bool hidden;
@@ -80,8 +81,8 @@ private:
 	bool drawing;
 	bool block_transform_notify;
 	bool behind;
-
 	bool use_parent_shader;
+
 	Ref<Shader> shader;
 
 	mutable Matrix32 global_transform;
@@ -158,6 +159,9 @@ public:
 	void set_blend_mode(BlendMode p_blend_mode);
 	BlendMode get_blend_mode() const;
 
+	void set_light_mask(int p_light_mask);
+	int get_light_mask() const;
+
 	void set_opacity(float p_opacity);
 	float get_opacity() const;
 

scene/2d/canvas_modulate.cpp

@@ -0,0 +1,46 @@
+#include "canvas_modulate.h"
+
+
+void CanvasModulate::_notification(int p_what) {
+
+	if (p_what==NOTIFICATION_ENTER_CANVAS) {
+
+		VS::get_singleton()->canvas_set_modulate(get_canvas(),color);
+	} else if (p_what==NOTIFICATION_EXIT_CANVAS) {
+
+		VS::get_singleton()->canvas_set_modulate(get_canvas(),Color(1,1,1,1));
+	}
+}
+
+void CanvasModulate::_bind_methods(){
+
+	ObjectTypeDB::bind_method(_MD("set_color","color"),&CanvasModulate::set_color);
+	ObjectTypeDB::bind_method(_MD("get_color"),&CanvasModulate::get_color);
+
+	ADD_PROPERTY(PropertyInfo(Variant::COLOR,"color"),_SCS("set_color"),_SCS("get_color"));
+}
+
+
+void CanvasModulate::set_color(const Color& p_color){
+
+	color=p_color;
+	if (is_inside_tree()) {
+		VS::get_singleton()->canvas_set_modulate(get_canvas(),color);
+	}
+}
+Color CanvasModulate::get_color() const {
+
+	return color;
+}
+
+
+CanvasModulate::CanvasModulate()
+{
+	color=Color(1,1,1,1);
+}
+
+CanvasModulate::~CanvasModulate()
+{
+
+}
+

scene/2d/canvas_modulate.h

@@ -0,0 +1,23 @@
+#ifndef CANVASMODULATE_H
+#define CANVASMODULATE_H
+
+#include "scene/2d/node_2d.h"
+
+class CanvasModulate : public Node2D {
+
+	OBJ_TYPE(CanvasModulate,Node2D);
+
+	Color color;
+protected:
+	void _notification(int p_what);
+	static void _bind_methods();
+public:
+
+	void set_color(const Color& p_color);
+	Color get_color() const;
+
+	CanvasModulate();
+	~CanvasModulate();
+};
+
+#endif // CANVASMODULATE_H

scene/2d/light_2d.cpp

@@ -1,6 +1,39 @@
 #include "light_2d.h"
 #include "servers/visual_server.h"
 
+void Light2D::edit_set_pivot(const Point2& p_pivot) {
+
+	set_texture_offset(p_pivot);
+
+}
+
+Point2 Light2D::edit_get_pivot() const {
+
+	return get_texture_offset();
+}
+bool Light2D::edit_has_pivot() const {
+
+	return true;
+}
+
+Rect2 Light2D::get_item_rect() const {
+
+	if (texture.is_null())
+		return Rect2(0,0,1,1);
+
+	Size2i s;
+
+	s = texture->get_size();
+	Point2i ofs=texture_offset;
+	ofs-=s/2;
+
+	if (s==Size2(0,0))
+		s=Size2(1,1);
+
+	return Rect2(ofs,s);
+}
+
+
 void Light2D::set_enabled( bool p_enabled) {
 
 	VS::get_singleton()->canvas_light_set_enabled(canvas_light,p_enabled);
@@ -81,6 +114,28 @@ int Light2D::get_z_range_max() const {
 	return z_max;
 }
 
+void Light2D::set_layer_range_min( int p_min_layer) {
+
+	layer_min=p_min_layer;
+	VS::get_singleton()->canvas_light_set_layer_range(canvas_light,layer_min,layer_max);
+
+}
+int Light2D::get_layer_range_min() const {
+
+	return layer_min;
+}
+
+void Light2D::set_layer_range_max( int p_max_layer) {
+
+	layer_max=p_max_layer;
+	VS::get_singleton()->canvas_light_set_layer_range(canvas_light,layer_min,layer_max);
+
+}
+int Light2D::get_layer_range_max() const {
+
+	return layer_max;
+}
+
 void Light2D::set_item_mask( int p_mask) {
 
 	item_mask=p_mask;
@@ -93,15 +148,15 @@ int Light2D::get_item_mask() const {
 	return item_mask;
 }
 
-void Light2D::set_blend_mode( LightBlendMode p_blend_mode ) {
+void Light2D::set_subtract_mode( bool p_enable ) {
 
-	blend_mode=p_blend_mode;
-	VS::get_singleton()->canvas_light_set_blend_mode(canvas_light,VS::CanvasLightBlendMode(blend_mode));
+	subtract_mode=p_enable;
+	VS::get_singleton()->canvas_light_set_subtract_mode(canvas_light,p_enable);
 }
 
-Light2D::LightBlendMode Light2D::get_blend_mode() const {
+bool Light2D::get_subtract_mode() const {
 
-	return blend_mode;
+	return subtract_mode;
 }
 
 void Light2D::set_shadow_enabled( bool p_enabled) {
@@ -115,6 +170,25 @@ bool Light2D::is_shadow_enabled() const {
 	return shadow;
 }
 
+void Light2D::_notification(int p_what) {
+
+	if (p_what==NOTIFICATION_ENTER_TREE) {
+
+		VS::get_singleton()->canvas_light_attach_to_canvas( canvas_light, get_canvas() );
+	}
+
+	if (p_what==NOTIFICATION_TRANSFORM_CHANGED) {
+
+		VS::get_singleton()->canvas_light_set_transform( canvas_light, get_global_transform());
+	}
+
+	if (p_what==NOTIFICATION_EXIT_TREE) {
+
+		VS::get_singleton()->canvas_light_attach_to_canvas( canvas_light, RID() );
+	}
+
+}
+
 void Light2D::_bind_methods() {
 
 
@@ -139,11 +213,18 @@ void Light2D::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("set_z_range_max","z"),&Light2D::set_z_range_max);
 	ObjectTypeDB::bind_method(_MD("get_z_range_max"),&Light2D::get_z_range_max);
 
+	ObjectTypeDB::bind_method(_MD("set_layer_range_min","layer"),&Light2D::set_layer_range_min);
+	ObjectTypeDB::bind_method(_MD("get_layer_range_min"),&Light2D::get_layer_range_min);
+
+	ObjectTypeDB::bind_method(_MD("set_layer_range_max","layer"),&Light2D::set_layer_range_max);
+	ObjectTypeDB::bind_method(_MD("get_layer_range_max"),&Light2D::get_layer_range_max);
+
+
 	ObjectTypeDB::bind_method(_MD("set_item_mask","item_mask"),&Light2D::set_item_mask);
 	ObjectTypeDB::bind_method(_MD("get_item_mask"),&Light2D::get_item_mask);
 
-	ObjectTypeDB::bind_method(_MD("set_blend_mode","blend_mode"),&Light2D::set_blend_mode);
-	ObjectTypeDB::bind_method(_MD("get_blend_mode"),&Light2D::get_blend_mode);
+	ObjectTypeDB::bind_method(_MD("set_subtract_mode","enable"),&Light2D::set_subtract_mode);
+	ObjectTypeDB::bind_method(_MD("get_subtract_mode"),&Light2D::get_subtract_mode);
 
 	ObjectTypeDB::bind_method(_MD("set_shadow_enabled","enabled"),&Light2D::set_shadow_enabled);
 	ObjectTypeDB::bind_method(_MD("is_shadow_enabled"),&Light2D::is_shadow_enabled);
@@ -155,8 +236,10 @@ void Light2D::_bind_methods() {
 	ADD_PROPERTY( PropertyInfo(Variant::REAL,"height"),_SCS("set_height"),_SCS("get_height"));
 	ADD_PROPERTY( PropertyInfo(Variant::INT,"z_range_min",PROPERTY_HINT_RANGE,itos(VS::CANVAS_ITEM_Z_MIN)+","+itos(VS::CANVAS_ITEM_Z_MAX)+",1"),_SCS("set_z_range_min"),_SCS("get_z_range_min"));
 	ADD_PROPERTY( PropertyInfo(Variant::INT,"z_range_max",PROPERTY_HINT_RANGE,itos(VS::CANVAS_ITEM_Z_MIN)+","+itos(VS::CANVAS_ITEM_Z_MAX)+",1"),_SCS("set_z_range_max"),_SCS("get_z_range_max"));
+	ADD_PROPERTY( PropertyInfo(Variant::INT,"layer_range_min",PROPERTY_HINT_RANGE,"-512,512,1"),_SCS("set_layer_range_min"),_SCS("get_layer_range_min"));
+	ADD_PROPERTY( PropertyInfo(Variant::INT,"layer_range_max",PROPERTY_HINT_RANGE,"-512,512,1"),_SCS("set_layer_range_max"),_SCS("get_layer_range_max"));
 	ADD_PROPERTY( PropertyInfo(Variant::INT,"item_mask",PROPERTY_HINT_ALL_FLAGS),_SCS("set_item_mask"),_SCS("get_item_mask"));
-	ADD_PROPERTY( PropertyInfo(Variant::INT,"blend_mode",PROPERTY_HINT_ENUM,"Add,Sub,Mul,Dodge,Burn,Lighten,Darken,Overlay,Screen"),_SCS("set_blend_mode"),_SCS("get_blend_mode"));
+	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"subtract"),_SCS("set_subtract_mode"),_SCS("get_subtract_mode"));
 	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"shadow_enabled"),_SCS("set_shadow_enabled"),_SCS("is_shadow_enabled"));
 
 
@@ -171,8 +254,10 @@ Light2D::Light2D() {
 	height=0;
 	z_min=-1024;
 	z_max=1024;
+	layer_min=0;
+	layer_max=0;
 	item_mask=1;
-	blend_mode=LIGHT_BLEND_ADD;
+	subtract_mode=false;
 
 }
 

scene/2d/light_2d.h

@@ -6,20 +6,6 @@
 class Light2D : public Node2D {
 
 	OBJ_TYPE(Light2D,Node2D);
-public:
-
-	enum LightBlendMode {
-		LIGHT_BLEND_ADD,
-		LIGHT_BLEND_SUB,
-		LIGHT_BLEND_MULTIPLY,
-		LIGHT_BLEND_DODGE,
-		LIGHT_BLEND_BURN,
-		LIGHT_BLEND_LIGHTEN,
-		LIGHT_BLEND_DARKEN,
-		LIGHT_BLEND_OVERLAY,
-		LIGHT_BLEND_SCREEN,
-	};
-
 private:
 	RID canvas_light;
 	bool enabled;
@@ -28,17 +14,24 @@ private:
 	float height;
 	int z_min;
 	int z_max;
+	int layer_min;
+	int layer_max;
 	int item_mask;
-	LightBlendMode blend_mode;
+	bool subtract_mode;
 	Ref<Texture> texture;
 	Vector2 texture_offset;
 
 protected:
 
+	void _notification(int p_what);
 	static void _bind_methods();
 public:
 
 
+	virtual void edit_set_pivot(const Point2& p_pivot);
+	virtual Point2 edit_get_pivot() const;
+	virtual bool edit_has_pivot() const;
+
 	void set_enabled( bool p_enabled);
 	bool is_enabled() const;
 
@@ -60,21 +53,26 @@ public:
 	void set_z_range_max( int p_max_z);
 	int get_z_range_max() const;
 
+	void set_layer_range_min( int p_min_layer);
+	int get_layer_range_min() const;
+
+	void set_layer_range_max( int p_max_layer);
+	int get_layer_range_max() const;
+
 	void set_item_mask( int p_mask);
 	int get_item_mask() const;
 
-	void set_blend_mode( LightBlendMode p_blend_mode );
-	LightBlendMode get_blend_mode() const;
+	void set_subtract_mode( bool p_enable );
+	bool get_subtract_mode() const;
 
 	void set_shadow_enabled( bool p_enabled);
 	bool is_shadow_enabled() const;
 
+	virtual Rect2 get_item_rect() const;
 
 	Light2D();
 	~Light2D();
 };
 
 
-VARIANT_ENUM_CAST(Light2D::LightBlendMode);
-
 #endif // LIGHT_2D_H

scene/gui/popup_menu.h

@@ -90,7 +90,7 @@ public:
 	void add_icon_check_item(const Ref<Texture>& p_icon,const String& p_label,int p_ID=-1,uint32_t p_accel=0);
 	void add_check_item(const String& p_label,int p_ID=-1,uint32_t p_accel=0);
 	void add_submenu_item(const String& p_label,const String& p_submenu, int p_ID=-1);
-	
+
 	void set_item_text(int p_idx,const String& p_text);
 	void set_item_icon(int p_idx,const Ref<Texture>& p_icon);
 	void set_item_checked(int p_idx,bool p_checked);	

scene/register_scene_types.cpp

@@ -104,6 +104,7 @@
 #include "scene/2d/remote_transform_2d.h"
 #include "scene/2d/y_sort.h"
 #include "scene/2d/navigation2d.h"
+#include "scene/2d/canvas_modulate.h"
 
 #include "scene/2d/position_2d.h"
 #include "scene/2d/tile_map.h"
@@ -264,6 +265,7 @@ void register_scene_types() {
 	ObjectTypeDB::register_virtual_type<RenderTargetTexture>();
 	ObjectTypeDB::register_type<Timer>();
 	ObjectTypeDB::register_type<CanvasLayer>();
+	ObjectTypeDB::register_type<CanvasModulate>();
 	ObjectTypeDB::register_type<ResourcePreloader>();
 
 	/* REGISTER GUI */

servers/visual/rasterizer.h

@@ -570,6 +570,7 @@ public:
 
 	struct CanvasLight {
 
+
 		bool enabled;
 		bool shadow;
 		Color color;
@@ -577,12 +578,23 @@ public:
 		float height;
 		int z_min;
 		int z_max;
+		int layer_min;
+		int layer_max;
 		int item_mask;
-		VS::CanvasLightBlendMode blend_mode;
+		bool subtract;
 		RID texture;
-		void *texture_cache; // implementation dependent
 		Vector2 texture_offset;
+		RID canvas;
+
+
+		void *texture_cache; // implementation dependent
+		Rect2 rect_cache;
+		Matrix32 xform_cache;
+
+		Matrix32 light_shader_xform;
+		Vector2 light_shader_pos;
 
+		CanvasLight *filter_next_ptr;
 		CanvasLight *next_ptr;
 
 		CanvasLight() {
@@ -592,10 +604,13 @@ public:
 			height=0;
 			z_min=-1024;
 			z_max=1024;
+			layer_min=0;
+			layer_max=0;
 			item_mask=1;
-			blend_mode=VS::CANVAS_LIGHT_BLEND_ADD;
+			subtract=false;
 			texture_cache=NULL;
 			next_ptr=NULL;
+			filter_next_ptr=NULL;
 		}
 	};
 
@@ -722,6 +737,7 @@ public:
 		bool visible;
 		bool ontop;
 		VS::MaterialBlendMode blend_mode;
+		int light_mask;
 		Vector<Command*> commands;
 		mutable bool custom_rect;
 		mutable bool rect_dirty;
@@ -739,8 +755,9 @@ public:
 		CanvasItem* shader_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;
 
@@ -864,7 +881,7 @@ public:
 		}
 
 		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;}
+		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; shader_version=0; shader_owner=NULL;}
 		virtual ~CanvasItem() { clear(); }
 	};
 
@@ -886,7 +903,7 @@ 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)=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;
 
 
 	/* ENVIRONMENT */

servers/visual/visual_server_raster.cpp

@@ -3195,6 +3195,7 @@ 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 +3221,14 @@ 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 +3314,27 @@ 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)
@@ -3832,6 +3854,23 @@ 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){
@@ -3885,6 +3924,16 @@ void VisualServerRaster::canvas_light_set_z_range(RID p_light, int p_min_z,int p
 	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);
@@ -3893,11 +3942,12 @@ void VisualServerRaster::canvas_light_set_item_mask(RID p_light, int p_mask){
 
 }
 
-void VisualServerRaster::canvas_light_set_blend_mode(RID p_light, CanvasLightBlendMode p_blend_mode){
+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->blend_mode=p_blend_mode;
+	clight->subtract=p_enable;
 
 }
 void VisualServerRaster::canvas_light_set_shadow_enabled(RID p_light, bool p_enabled){
@@ -4194,7 +4244,13 @@ 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();
+		}
+
+
 		canvas_owner.free( p_rid );
 		
 		memdelete( canvas );
@@ -4232,6 +4288,12 @@ void VisualServerRaster::free( RID 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);
+		}
+
 		canvas_light_owner.free( p_rid );
 		memdelete( canvas_light );
 
@@ -6280,7 +6342,7 @@ 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;
@@ -6298,7 +6360,7 @@ 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);
 	}
 
 }
@@ -6404,7 +6466,7 @@ 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;
 
@@ -6417,6 +6479,8 @@ void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Mat
 			z_last_list[zidx]=ci;
 		}
 
+
+
 		ci->next=NULL;
 
 	}
@@ -6430,7 +6494,7 @@ void VisualServerRaster::_render_canvas_item(CanvasItem *p_canvas_item,const Mat
 
 }
 
-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();
 
@@ -6463,30 +6527,30 @@ 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);
 			}
 
 		}
@@ -6549,7 +6613,43 @@ 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;
+
 		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];
+					}
+
+
+
+
+				}
+			}
+
 			canvas_map[ Viewport::CanvasKey( E->key(), E->get().layer) ]=&E->get();
 
 		}
@@ -6560,7 +6660,19 @@ void VisualServerRaster::_draw_viewport(Viewport *p_viewport,int p_ofs_x, int p_
 	//		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++;
 
 		}

servers/visual/visual_server_raster.h

@@ -410,6 +410,8 @@ class VisualServerRaster : public VisualServer {
 		}
 	};
 
+	struct CanvasLight;
+
 	struct Canvas {
 
 		Set<RID> viewports;
@@ -419,8 +421,10 @@ class VisualServerRaster : public VisualServer {
 			CanvasItem *item;
 		};
 
+		Set<Rasterizer::CanvasLight*> lights;
 
 		Vector<ChildItem> child_items;
+		Color modulate;
 
 		int find_item(CanvasItem *p_item) {
 			for(int i=0;i<child_items.size();i++) {
@@ -435,7 +439,7 @@ class VisualServerRaster : public VisualServer {
 				child_items.remove(idx);
 		}
 
-		Canvas() {  }
+		Canvas() { modulate=Color(1,1,1,1); }
 		
 	};
 
@@ -603,9 +607,9 @@ 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_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_shader_owner);
-	void _render_canvas(Canvas *p_canvas,const Matrix32 &p_transform);
+	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);
 
@@ -1075,6 +1079,8 @@ 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();
 
@@ -1085,6 +1091,8 @@ 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);
@@ -1137,20 +1145,10 @@ public:
 	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);
 
-	enum CanvasightBlendMode {
-		CANVAS_LIGHT_BLEND_ADD,
-		CANVAS_LIGHT_BLEND_SUB,
-		CANVAS_LIGHT_BLEND_MULTIPLY,
-		CANVAS_LIGHT_BLEND_DODGE,
-		CANVAS_LIGHT_BLEND_BURN,
-		CANVAS_LIGHT_BLEND_LIGHTEN,
-		CANVAS_LIGHT_BLEND_DARKEN,
-		CANVAS_LIGHT_BLEND_OVERLAY,
-		CANVAS_LIGHT_BLEND_SCREEN,
-	};
-	virtual void canvas_light_set_blend_mode(RID p_light, CanvasLightBlendMode p_blend_mode);
+	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_filter(RID p_light, int p_size);

servers/visual/visual_server_wrap_mt.h

@@ -1087,6 +1087,8 @@ 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 +1099,7 @@ 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& );
@@ -1155,10 +1157,11 @@ public:
 	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_blend_mode,RID,CanvasLightBlendMode);
+	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_filter,RID,int);

servers/visual_server.h

@@ -944,6 +944,8 @@ public:
 	virtual RID canvas_create()=0;
 	virtual void canvas_set_item_mirroring(RID p_canvas,RID p_item,const Point2& p_mirroring)=0;
 	virtual Point2 canvas_get_item_mirroring(RID p_canvas,RID p_item) const=0;
+	virtual void canvas_set_modulate(RID p_canvas,const Color& p_color)=0;
+
 
 
 	virtual RID canvas_item_create()=0;
@@ -953,6 +955,8 @@ public:
 	virtual void canvas_item_set_visible(RID p_item,bool p_visible)=0;
 	virtual bool canvas_item_is_visible(RID p_item) const=0;
 
+	virtual void canvas_item_set_light_mask(RID p_item,int p_mask)=0;
+
 	virtual void canvas_item_set_blend_mode(RID p_canvas_item,MaterialBlendMode p_blend)=0;
 
 	virtual void canvas_item_attach_viewport(RID p_item, RID p_viewport)=0;
@@ -1008,20 +1012,10 @@ public:
 	virtual void canvas_light_set_color(RID p_light, const Color& p_color)=0;
 	virtual void canvas_light_set_height(RID p_light, float p_height)=0;
 	virtual void canvas_light_set_z_range(RID p_light, int p_min_z,int p_max_z)=0;
+	virtual void canvas_light_set_layer_range(RID p_light, int p_min_layer,int p_max_layer)=0;
 	virtual void canvas_light_set_item_mask(RID p_light, int p_mask)=0;
 
-	enum CanvasLightBlendMode {
-		CANVAS_LIGHT_BLEND_ADD,
-		CANVAS_LIGHT_BLEND_SUB,
-		CANVAS_LIGHT_BLEND_MULTIPLY,
-		CANVAS_LIGHT_BLEND_DODGE,
-		CANVAS_LIGHT_BLEND_BURN,
-		CANVAS_LIGHT_BLEND_LIGHTEN,
-		CANVAS_LIGHT_BLEND_DARKEN,
-		CANVAS_LIGHT_BLEND_OVERLAY,
-		CANVAS_LIGHT_BLEND_SCREEN,
-	};
-	virtual void canvas_light_set_blend_mode(RID p_light, CanvasLightBlendMode p_blend_mode)=0;
+	virtual void canvas_light_set_subtract_mode(RID p_light, bool p_enable)=0;
 	virtual void canvas_light_set_shadow_enabled(RID p_light, bool p_enabled)=0;
 	virtual void canvas_light_set_shadow_buffer_size(RID p_light, int p_size)=0;
 	virtual void canvas_light_set_shadow_filter(RID p_light, int p_size)=0;