Add new Parallax2D node

2 files changed, 24 insertions, 3 deletions

diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp
index 198160939a..de990a4222 100644
--- a/drivers/gles3/rasterizer_canvas_gles3.cpp
+++ b/drivers/gles3/rasterizer_canvas_gles3.cpp
@@ -634,7 +634,23 @@ void RasterizerCanvasGLES3::_render_items(RID p_to_render_target, int p_item_cou
 
 		GLES3::CanvasShaderData::BlendMode blend_mode = shader_data_cache ? shader_data_cache->blend_mode : GLES3::CanvasShaderData::BLEND_MODE_MIX;
 
-		_record_item_commands(ci, p_to_render_target, p_canvas_transform_inverse, current_clip, blend_mode, p_lights, index, batch_broken, r_sdf_used);
+		if (!ci->repeat_size.x && !ci->repeat_size.y) {
+			_record_item_commands(ci, p_to_render_target, p_canvas_transform_inverse, current_clip, blend_mode, p_lights, index, batch_broken, r_sdf_used, Point2());
+		} else {
+			Point2 start_pos = ci->repeat_size * -(ci->repeat_times / 2);
+			Point2 end_pos = ci->repeat_size * ci->repeat_times + ci->repeat_size + start_pos;
+			Point2 pos = start_pos;
+
+			do {
+				do {
+					_record_item_commands(ci, p_to_render_target, p_canvas_transform_inverse, current_clip, blend_mode, p_lights, index, batch_broken, r_sdf_used, pos);
+					pos.y += ci->repeat_size.y;
+				} while (pos.y < end_pos.y);
+
+				pos.x += ci->repeat_size.x;
+				pos.y = start_pos.y;
+			} while (pos.x < end_pos.x);
+		}
 	}
 
 	if (index == 0) {
@@ -784,7 +800,7 @@ void RasterizerCanvasGLES3::_render_items(RID p_to_render_target, int p_item_cou
 	state.last_item_index += index;
 }
 
-void RasterizerCanvasGLES3::_record_item_commands(const Item *p_item, RID p_render_target, const Transform2D &p_canvas_transform_inverse, Item *&current_clip, GLES3::CanvasShaderData::BlendMode p_blend_mode, Light *p_lights, uint32_t &r_index, bool &r_batch_broken, bool &r_sdf_used) {
+void RasterizerCanvasGLES3::_record_item_commands(const Item *p_item, RID p_render_target, const Transform2D &p_canvas_transform_inverse, Item *&current_clip, GLES3::CanvasShaderData::BlendMode p_blend_mode, Light *p_lights, uint32_t &r_index, bool &r_batch_broken, bool &r_sdf_used, const Point2 &p_offset) {
 	RenderingServer::CanvasItemTextureFilter texture_filter = p_item->texture_filter == RS::CANVAS_ITEM_TEXTURE_FILTER_DEFAULT ? state.default_filter : p_item->texture_filter;
 
 	if (texture_filter != state.canvas_instance_batches[state.current_batch_index].filter) {
@@ -802,6 +818,11 @@ void RasterizerCanvasGLES3::_record_item_commands(const Item *p_item, RID p_rend
 	}
 
 	Transform2D base_transform = p_canvas_transform_inverse * p_item->final_transform;
+
+	if (p_offset.x || p_offset.y) {
+		base_transform *= Transform2D(0, p_offset / p_item->xform.get_scale());
+	}
+
 	Transform2D draw_transform; // Used by transform command
 
 	Color base_color = p_item->final_modulate;
diff --git a/drivers/gles3/rasterizer_canvas_gles3.h b/drivers/gles3/rasterizer_canvas_gles3.h
index 88befa7883..a3762e828e 100644
--- a/drivers/gles3/rasterizer_canvas_gles3.h
+++ b/drivers/gles3/rasterizer_canvas_gles3.h
@@ -357,7 +357,7 @@ public:
 
 	void canvas_render_items(RID p_to_render_target, Item *p_item_list, const Color &p_modulate, Light *p_light_list, Light *p_directional_list, const Transform2D &p_canvas_transform, RS::CanvasItemTextureFilter p_default_filter, RS::CanvasItemTextureRepeat p_default_repeat, bool p_snap_2d_vertices_to_pixel, bool &r_sdf_used, RenderingMethod::RenderInfo *r_render_info = nullptr) override;
 	void _render_items(RID p_to_render_target, int p_item_count, const Transform2D &p_canvas_transform_inverse, Light *p_lights, bool &r_sdf_used, bool p_to_backbuffer = false, RenderingMethod::RenderInfo *r_render_info = nullptr);
-	void _record_item_commands(const Item *p_item, RID p_render_target, const Transform2D &p_canvas_transform_inverse, Item *&current_clip, GLES3::CanvasShaderData::BlendMode p_blend_mode, Light *p_lights, uint32_t &r_index, bool &r_break_batch, bool &r_sdf_used);
+	void _record_item_commands(const Item *p_item, RID p_render_target, const Transform2D &p_canvas_transform_inverse, Item *&current_clip, GLES3::CanvasShaderData::BlendMode p_blend_mode, Light *p_lights, uint32_t &r_index, bool &r_break_batch, bool &r_sdf_used, const Point2 &p_offset);
 	void _render_batch(Light *p_lights, uint32_t p_index, RenderingMethod::RenderInfo *r_render_info = nullptr);
 	bool _bind_material(GLES3::CanvasMaterialData *p_material_data, CanvasShaderGLES3::ShaderVariant p_variant, uint64_t p_specialization);
 	void _new_batch(bool &r_batch_broken);