SCons: Revert Mesa includes to `CPPPATH`

drivers/d3d12/SCsub

@@ -162,7 +162,9 @@ else:
         env.Append(CCFLAGS=["-Wno-unknown-pragmas"])
 
 # This is needed since rendering_device_d3d12.cpp needs to include some Mesa internals.
-env_d3d12_rdd.Prepend(CPPEXTPATH=mesa_private_inc_paths)
+# FIXME: Should be CPPEXTPATH, but doing so introduces an include-order bug when combined with
+# godot-nir-static; this necessitates warning macro wrappers. See #106376.
+env_d3d12_rdd.Prepend(CPPPATH=mesa_private_inc_paths)
 # For the same reason as above, the defines must be the same as in the 3rd-party code itself.
 env_d3d12_rdd.Append(CPPDEFINES=extra_defines)
 

drivers/d3d12/rendering_context_driver_d3d12.cpp

@@ -39,8 +39,23 @@
 #include "core/version.h"
 #include "servers/rendering/rendering_device.h"
 
+GODOT_GCC_WARNING_PUSH
+GODOT_GCC_WARNING_IGNORE("-Wmissing-field-initializers")
+GODOT_GCC_WARNING_IGNORE("-Wnon-virtual-dtor")
+GODOT_GCC_WARNING_IGNORE("-Wshadow")
+GODOT_GCC_WARNING_IGNORE("-Wswitch")
+GODOT_CLANG_WARNING_PUSH
+GODOT_CLANG_WARNING_IGNORE("-Wmissing-field-initializers")
+GODOT_CLANG_WARNING_IGNORE("-Wnon-virtual-dtor")
+GODOT_CLANG_WARNING_IGNORE("-Wstring-plus-int")
+GODOT_CLANG_WARNING_IGNORE("-Wswitch")
+GODOT_MSVC_WARNING_PUSH
+
 #include <dxcapi.h>
 
+GODOT_GCC_WARNING_POP
+GODOT_CLANG_WARNING_POP
+
 #if !defined(_MSC_VER)
 #include <guiddef.h>
 

drivers/d3d12/rendering_device_driver_d3d12.cpp

@@ -40,6 +40,24 @@
 #include "d3d12_godot_nir_bridge.h"
 #include "rendering_context_driver_d3d12.h"
 
+GODOT_GCC_WARNING_PUSH
+GODOT_GCC_WARNING_IGNORE("-Wimplicit-fallthrough")
+GODOT_GCC_WARNING_IGNORE("-Wlogical-not-parentheses")
+GODOT_GCC_WARNING_IGNORE("-Wmissing-field-initializers")
+GODOT_GCC_WARNING_IGNORE("-Wnon-virtual-dtor")
+GODOT_GCC_WARNING_IGNORE("-Wshadow")
+GODOT_GCC_WARNING_IGNORE("-Wswitch")
+GODOT_CLANG_WARNING_PUSH
+GODOT_CLANG_WARNING_IGNORE("-Wimplicit-fallthrough")
+GODOT_CLANG_WARNING_IGNORE("-Wlogical-not-parentheses")
+GODOT_CLANG_WARNING_IGNORE("-Wmissing-field-initializers")
+GODOT_CLANG_WARNING_IGNORE("-Wnon-virtual-dtor")
+GODOT_CLANG_WARNING_IGNORE("-Wstring-plus-int")
+GODOT_CLANG_WARNING_IGNORE("-Wswitch")
+GODOT_MSVC_WARNING_PUSH
+GODOT_MSVC_WARNING_IGNORE(4200) // "nonstandard extension used: zero-sized array in struct/union".
+GODOT_MSVC_WARNING_IGNORE(4806) // "'&': unsafe operation: no value of type 'bool' promoted to type 'uint32_t' can equal the given constant".
+
 #include <nir_spirv.h>
 #include <nir_to_dxil.h>
 #include <spirv_to_dxil.h>
@@ -47,6 +65,10 @@ extern "C" {
 #include <dxil_spirv_nir.h>
 }
 
+GODOT_GCC_WARNING_POP
+GODOT_CLANG_WARNING_POP
+GODOT_MSVC_WARNING_POP
+
 #if !defined(_MSC_VER)
 #include <guiddef.h>
 

drivers/d3d12/rendering_shader_container_d3d12.cpp

@@ -41,26 +41,10 @@
 #define __REQUIRED_RPCNDR_H_VERSION__ 475
 #endif
 
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
-#pragma GCC diagnostic ignored "-Wshadow"
-#pragma GCC diagnostic ignored "-Wswitch"
-#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
-#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
-#elif defined(__clang__)
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
-#pragma clang diagnostic ignored "-Wstring-plus-int"
-#pragma clang diagnostic ignored "-Wswitch"
-#pragma clang diagnostic ignored "-Wmissing-field-initializers"
-#pragma clang diagnostic ignored "-Wimplicit-fallthrough"
-#endif
-
-#include "d3dx12.h"
+#include <d3dx12.h>
 #include <dxgi1_6.h>
 #define D3D12MA_D3D12_HEADERS_ALREADY_INCLUDED
-#include "D3D12MemAlloc.h"
+#include <D3D12MemAlloc.h>
 
 #include <wrl/client.h>
 
@@ -69,29 +53,34 @@
 #undef MemoryBarrier
 #endif
 
-// No point in fighting warnings in Mesa.
-#if defined(_MSC_VER)
-#pragma warning(push)
-#pragma warning(disable : 4200) // "nonstandard extension used: zero-sized array in struct/union".
-#pragma warning(disable : 4806) // "'&': unsafe operation: no value of type 'bool' promoted to type 'uint32_t' can equal the given constant".
-#endif
-
-#include "nir_spirv.h"
-#include "nir_to_dxil.h"
-#include "spirv_to_dxil.h"
+GODOT_GCC_WARNING_PUSH
+GODOT_GCC_WARNING_IGNORE("-Wimplicit-fallthrough")
+GODOT_GCC_WARNING_IGNORE("-Wlogical-not-parentheses")
+GODOT_GCC_WARNING_IGNORE("-Wmissing-field-initializers")
+GODOT_GCC_WARNING_IGNORE("-Wnon-virtual-dtor")
+GODOT_GCC_WARNING_IGNORE("-Wshadow")
+GODOT_GCC_WARNING_IGNORE("-Wswitch")
+GODOT_CLANG_WARNING_PUSH
+GODOT_CLANG_WARNING_IGNORE("-Wimplicit-fallthrough")
+GODOT_CLANG_WARNING_IGNORE("-Wlogical-not-parentheses")
+GODOT_CLANG_WARNING_IGNORE("-Wmissing-field-initializers")
+GODOT_CLANG_WARNING_IGNORE("-Wnon-virtual-dtor")
+GODOT_CLANG_WARNING_IGNORE("-Wstring-plus-int")
+GODOT_CLANG_WARNING_IGNORE("-Wswitch")
+GODOT_MSVC_WARNING_PUSH
+GODOT_MSVC_WARNING_IGNORE(4200) // "nonstandard extension used: zero-sized array in struct/union".
+GODOT_MSVC_WARNING_IGNORE(4806) // "'&': unsafe operation: no value of type 'bool' promoted to type 'uint32_t' can equal the given constant".
+
+#include <nir_spirv.h>
+#include <nir_to_dxil.h>
+#include <spirv_to_dxil.h>
 extern "C" {
-#include "dxil_spirv_nir.h"
+#include <dxil_spirv_nir.h>
 }
 
-#if defined(__GNUC__) && !defined(__clang__)
-#pragma GCC diagnostic pop
-#elif defined(__clang__)
-#pragma clang diagnostic pop
-#endif
-
-#if defined(_MSC_VER)
-#pragma warning(pop)
-#endif
+GODOT_GCC_WARNING_POP
+GODOT_CLANG_WARNING_POP
+GODOT_MSVC_WARNING_POP
 
 static D3D12_SHADER_VISIBILITY stages_to_d3d12_visibility(uint32_t p_stages_mask) {
 	switch (p_stages_mask) {