diff --git a/armorpaint/sources/make_paint.ts b/armorpaint/sources/make_paint.ts
index 592ca1fa..a6049261 100644
--- a/armorpaint/sources/make_paint.ts
+++ b/armorpaint/sources/make_paint.ts
@@ -22,6 +22,21 @@ function make_paint_color_attachments(): string[] {
 		let res: string[] = ["RGBA64", "RGBA64"];
 		return res;
 	}
+
+	let format: tex_format_t =
+		base_bits_handle.position == texture_bits_t.BITS8  ? tex_format_t.RGBA32 :
+		base_bits_handle.position == texture_bits_t.BITS16 ? tex_format_t.RGBA64 :
+															 tex_format_t.RGBA128;
+
+	if (format == tex_format_t.RGBA64) {
+		let res: string[] = ["RGBA64", "RGBA64", "RGBA64", "R8"];
+		return res;
+	}
+	if (format == tex_format_t.RGBA128) {
+		let res: string[] = ["RGBA128", "RGBA128", "RGBA128", "R8"];
+		return res;
+	}
+
 	let res: string[] = ["RGBA32", "RGBA32", "RGBA32", "R8"];
 	return res;
 }
diff --git a/armorpaint/sources/render_path_paint.ts b/armorpaint/sources/render_path_paint.ts
index d1476c48..aa7022bd 100644
--- a/armorpaint/sources/render_path_paint.ts
+++ b/armorpaint/sources/render_path_paint.ts
@@ -96,6 +96,7 @@ function render_path_paint_init() {
 
 	render_path_load_shader("shader_datas/copy_mrt3_pass/copy_mrt3_pass");
 	render_path_load_shader("shader_datas/copy_mrt3_pass/copy_mrt3RGBA64_pass");
+	render_path_load_shader("shader_datas/copy_mrt3_pass/copy_mrt3RGBA128_pass");
 	render_path_load_shader("shader_datas/dilate_pass/dilate_pass");
 }
 
diff --git a/base/assets/shader_datas.arm b/base/assets/shader_datas.arm
index 52840907..0edf6d3b 100644
Binary files a/base/assets/shader_datas.arm and b/base/assets/shader_datas.arm differ
diff --git a/base/sources/ts/history.ts b/base/sources/ts/history.ts
index 608cdb8a..06e671d9 100644
--- a/base/sources/ts/history.ts
+++ b/base/sources/ts/history.ts
@@ -686,7 +686,17 @@ function history_copy_to_undo(from_id: i32, to_id: i32, is_mask: bool) {
 		render_path_bind_target("texpaint" + from_id, "tex0");
 		render_path_bind_target("texpaint_nor" + from_id, "tex1");
 		render_path_bind_target("texpaint_pack" + from_id, "tex2");
-		render_path_draw_shader("shader_datas/copy_mrt3_pass/copy_mrt3_pass");
+
+		let format: tex_format_t =
+			base_bits_handle.position == texture_bits_t.BITS8  ? tex_format_t.RGBA32 :
+			base_bits_handle.position == texture_bits_t.BITS16 ? tex_format_t.RGBA64 :
+																 tex_format_t.RGBA128;
+
+		let pipe: string = format == tex_format_t.RGBA32 ? "copy_mrt3_pass" :
+						   format == tex_format_t.RGBA64 ? "copy_mrt3RGBA64_pass" :
+								   						   "copy_mrt3RGBA128_pass";
+
+		render_path_draw_shader("shader_datas/copy_mrt3_pass/" + pipe);
 	}
 	history_undo_i = (history_undo_i + 1) % config_raw.undo_steps;
 }
diff --git a/base/sources/ts/pipes.ts b/base/sources/ts/pipes.ts
index f627e6ac..3286a2ac 100644
--- a/base/sources/ts/pipes.ts
+++ b/base/sources/ts/pipes.ts
@@ -1,6 +1,7 @@
 
 let pipes_copy: gpu_pipeline_t;
 let pipes_copy8: gpu_pipeline_t;
+let pipes_copy64: gpu_pipeline_t;
 let pipes_copy128: gpu_pipeline_t;
 let pipes_copy_bgra: gpu_pipeline_t;
 let pipes_copy_rgb: gpu_pipeline_t = null;
@@ -115,6 +116,18 @@ function pipes_init() {
 		gpu_pipeline_compile(pipes_copy8);
 	}
 
+	{
+		pipes_copy64 = gpu_create_pipeline();
+		pipes_copy64.vertex_shader = sys_get_shader("layer_copy.vert");
+		pipes_copy64.fragment_shader = sys_get_shader("layer_copy.frag");
+		let vs: gpu_vertex_structure_t = gpu_vertex_struct_create();
+		gpu_vertex_struct_add(vs, "pos", vertex_data_t.F32_2X);
+		pipes_copy64.input_layout = vs;
+		pipes_copy64.color_attachment_count = 1;
+		ARRAY_ACCESS(pipes_copy64.color_attachment, 0) = tex_format_t.RGBA64;
+		gpu_pipeline_compile(pipes_copy64);
+	}
+
 	{
 		pipes_copy128 = gpu_create_pipeline();
 		pipes_copy128.vertex_shader = sys_get_shader("layer_copy.vert");
diff --git a/base/sources/ts/slot_layer.ts b/base/sources/ts/slot_layer.ts
index 59ca9fd8..3ee0eb7f 100644
--- a/base/sources/ts/slot_layer.ts
+++ b/base/sources/ts/slot_layer.ts
@@ -372,10 +372,14 @@ function slot_layer_resize_and_set_bits(raw: slot_layer_t) {
 		format = tex_format_t.RGBA128;
 		///end
 
+		let pipe: gpu_pipeline_t = format == tex_format_t.RGBA32 ? pipes_copy :
+								   format == tex_format_t.RGBA64 ? pipes_copy64 :
+								   								   pipes_copy128;
+
 		let _texpaint: gpu_texture_t = raw.texpaint;
 		raw.texpaint = gpu_create_render_target(res_x, res_y, format);
 		draw_begin(raw.texpaint);
-		draw_set_pipeline(pipes_copy);
+		draw_set_pipeline(pipe);
 		draw_scaled_image(_texpaint, 0, 0, res_x, res_y);
 		draw_set_pipeline(null);
 		draw_end();
@@ -385,7 +389,7 @@ function slot_layer_resize_and_set_bits(raw: slot_layer_t) {
 			raw.texpaint_nor = gpu_create_render_target(res_x, res_y, format);
 
 			draw_begin(raw.texpaint_nor);
-			draw_set_pipeline(pipes_copy);
+			draw_set_pipeline(pipe);
 			draw_scaled_image(_texpaint_nor, 0, 0, res_x, res_y);
 			draw_set_pipeline(null);
 			draw_end();
@@ -396,7 +400,7 @@ function slot_layer_resize_and_set_bits(raw: slot_layer_t) {
 			raw.texpaint_pack = gpu_create_render_target(res_x, res_y, format);
 
 			draw_begin(raw.texpaint_pack);
-			draw_set_pipeline(pipes_copy);
+			draw_set_pipeline(pipe);
 			draw_scaled_image(_texpaint_pack, 0, 0, res_x, res_y);
 			draw_set_pipeline(null);
 			draw_end();
diff --git a/base/sources/ts/tab_layers.ts b/base/sources/ts/tab_layers.ts
index 0060bb29..45187adf 100644
--- a/base/sources/ts/tab_layers.ts
+++ b/base/sources/ts/tab_layers.ts
@@ -896,6 +896,7 @@ function tab_layers_draw_layer_context_menu(l: slot_layer_t, mini: bool) {
 			///end
 			if (base_bits_handle.changed) {
 				sys_notify_on_init(layers_set_bits);
+				make_material_parse_paint_material();
 				ui_menu_keep_open = true;
 			}
 		}