diff --git a/armorpaint/sources/make_mesh.ts b/armorpaint/sources/make_mesh.ts
index eaaf3cf9..81233137 100644
--- a/armorpaint/sources/make_mesh.ts
+++ b/armorpaint/sources/make_mesh.ts
@@ -93,7 +93,7 @@ function make_mesh_run(data: material_t, layer_pass: i32 = 0): node_shader_conte
 			node_shader_add_texture(kong, "gbuffer0");
 			node_shader_add_texture(kong, "gbuffer1");
 			node_shader_add_texture(kong, "gbuffer2");
-			node_shader_write_frag(kong, "var fragcoord: float2 = (input.wvpposition.x / input.wvpposition.w, input.wvpposition.y / input.wvpposition.w) * 0.5 + 0.5;");
+			node_shader_write_frag(kong, "var fragcoord: float2 = float2(input.wvpposition.x / input.wvpposition.w, input.wvpposition.y / input.wvpposition.w) * 0.5 + 0.5;");
 			node_shader_write_frag(kong, "fragcoord.y = 1.0 - fragcoord.y;");
 			node_shader_write_frag(kong, "var gbuffer0_sample: float4 = sample_lod(gbuffer0, sampler_linear, fragcoord, 0.0);");
 			node_shader_write_frag(kong, "var gbuffer1_sample: float4 = sample_lod(gbuffer1, sampler_linear, fragcoord, 0.0);");
@@ -177,7 +177,7 @@ function make_mesh_run(data: material_t, layer_pass: i32 = 0): node_shader_conte
 				count += masks.length;
 			}
 			texture_count += count;
-			if (texture_count >= make_mesh_get_max_textures()) {
+			if (texture_count >= GPU_MAX_TEXTURES - 3) {
 				texture_count = start_count + count + 3; // gbuffer0_copy, gbuffer1_copy, gbuffer2_copy
 				make_mesh_layer_pass_count++;
 			}
@@ -528,7 +528,3 @@ function make_mesh_run(data: material_t, layer_pass: i32 = 0): node_shader_conte
 
 	return con_mesh;
 }
-
-function make_mesh_get_max_textures(): i32 {
-	return 16 - 3; // G4onG5/G4.c.h MAX_TEXTURES
-}
diff --git a/armorsculpt/sources/make_mesh.ts b/armorsculpt/sources/make_mesh.ts
index 1ee73261..3564de8c 100644
--- a/armorsculpt/sources/make_mesh.ts
+++ b/armorsculpt/sources/make_mesh.ts
@@ -137,7 +137,7 @@ function make_mesh_run(data: material_t, layer_pass: i32 = 0): node_shader_conte
 			count += masks.length;
 		}
 		texture_count += count;
-		if (texture_count >= make_mesh_get_max_textures()) {
+		if (texture_count >= GPU_MAX_TEXTURES - 3) {
 			texture_count = start_count + count + 3; // gbuffer0_copy, gbuffer1_copy, gbuffer2_copy
 			make_mesh_layer_pass_count++;
 		}
@@ -342,7 +342,3 @@ function make_mesh_run(data: material_t, layer_pass: i32 = 0): node_shader_conte
 	gpu_create_shaders_from_kong(node_shader_get(kong), ADDRESS(con_mesh.data.vertex_shader), ADDRESS(con_mesh.data.fragment_shader), ADDRESS(con_mesh.data._.vertex_shader_size), ADDRESS(con_mesh.data._.fragment_shader_size));
 	return con_mesh;
 }
-
-function make_mesh_get_max_textures(): i32 {
-	return 16 - 3; // G4onG5/G4.c.h MAX_TEXTURES
-}
diff --git a/base/assets/shader_datas.arm b/base/assets/shader_datas.arm
index a0c76a23..52840907 100644
Binary files a/base/assets/shader_datas.arm and b/base/assets/shader_datas.arm differ
diff --git a/base/sources/ts/iron/iron.ts b/base/sources/ts/iron/iron.ts
index fe6b6a25..db515ef4 100644
--- a/base/sources/ts/iron/iron.ts
+++ b/base/sources/ts/iron/iron.ts
@@ -280,7 +280,7 @@ declare function gpu_disable_scissor(): void;
 declare function _gpu_begin(render_target: gpu_texture_t, additional: gpu_texture_t[] = null, depth_buffer: gpu_texture_t = null, flags: i32 = clear_flag_t.NONE, color: i32 = 0, depth: f32 = 0.0): void;
 declare function gpu_end(): void;
 declare function gpu_present(): void;
-declare function iron_file_save_bytes(path: string, bytes: buffer_t, length?: i32): void;
+declare function iron_file_save_bytes(path: string, bytes: buffer_t, length: i32 = 0): void;
 declare function iron_sys_command(cmd: string): i32;
 declare function iron_internal_save_path(): string;
 declare function iron_get_arg_count(): i32;
@@ -669,6 +669,7 @@ enum compare_mode_t {
 	ALWAYS,
 	NEVER,
 	LESS,
+	EQUAL,
 }
 
 enum cull_mode_t {
diff --git a/base/sources/ts/iron/shader_data.ts b/base/sources/ts/iron/shader_data.ts
index 43ec3d39..a2a732b9 100644
--- a/base/sources/ts/iron/shader_data.ts
+++ b/base/sources/ts/iron/shader_data.ts
@@ -289,6 +289,9 @@ function shader_context_get_compare_mode(s: string): compare_mode_t {
 	if (s == "never") {
 		return compare_mode_t.NEVER;
 	}
+	if (s == "equal") {
+		return compare_mode_t.EQUAL;
+	}
 	return compare_mode_t.LESS;
 }