feat: updated engine version to 4.4-rc1

engine/modules/glslang/SCsub

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+from misc.utility.scons_hints import *
 
 Import("env")
 Import("env_modules")

engine/modules/glslang/config.py

@@ -1,7 +1,7 @@
 def can_build(env, platform):
-    # glslang is only needed when Vulkan or Direct3D 12-based renderers are available,
+    # glslang is only needed when Vulkan, Direct3D 12 or Metal-based renderers are available,
     # as OpenGL doesn't use glslang.
-    return env["vulkan"] or env["d3d12"]
+    return env["vulkan"] or env["d3d12"] or env["metal"]
 
 
 def configure(env):

engine/modules/glslang/register_types.cpp

@@ -73,6 +73,9 @@ static Vector<uint8_t> _compile_shader_glsl(RenderingDevice::ShaderStage p_stage
 		// - SPIRV-Reflect won't be able to parse the compute workgroup size.
 		// - We want to play it safe with NIR-DXIL.
 		TargetVersion = glslang::EShTargetSpv_1_3;
+	} else if (capabilities.device_family == RDD::DEVICE_METAL) {
+		ClientVersion = glslang::EShTargetVulkan_1_1;
+		TargetVersion = glslang::EShTargetSpv_1_6;
 	} else {
 		// once we support other backends we'll need to do something here
 		if (r_error) {