Add MetalFX (Metal) super resolution implementation

Author: MikhailGorobets

CMakeLists.txt

@@ -201,12 +201,14 @@ elseif(PLATFORM_LINUX)
     set(ARCHIVER_SUPPORTED TRUE CACHE INTERNAL "Archiver is supported on Linux platform")
     target_compile_definitions(Diligent-PublicBuildSettings INTERFACE PLATFORM_LINUX=1)
 elseif(PLATFORM_MACOS)
-    set(GL_SUPPORTED       TRUE CACHE INTERNAL "OpenGL is supported on MacOS platform")
-    set(VULKAN_SUPPORTED   TRUE CACHE INTERNAL "Vulkan is enabled through MoltenVK on MacOS platform")
-    set(ARCHIVER_SUPPORTED TRUE CACHE INTERNAL "Archiver is supported on MacOS platform")
+    set(GL_SUPPORTED               TRUE CACHE INTERNAL "OpenGL is supported on MacOS platform")
+    set(VULKAN_SUPPORTED           TRUE CACHE INTERNAL "Vulkan is enabled through MoltenVK on MacOS platform")
+    set(ARCHIVER_SUPPORTED         TRUE CACHE INTERNAL "Archiver is supported on MacOS platform")
+    set(SUPER_RESOLUTION_SUPPORTED TRUE CACHE INTERNAL "Super resolution is supported on MacOS platform")
     target_compile_definitions(Diligent-PublicBuildSettings INTERFACE PLATFORM_MACOS=1 PLATFORM_APPLE=1)
 elseif(PLATFORM_IOS)
-    set(GLES_SUPPORTED TRUE CACHE INTERNAL "OpenGLES is supported on iOS platform")
+    set(GLES_SUPPORTED             TRUE CACHE INTERNAL "OpenGLES is supported on iOS platform")
+    set(SUPER_RESOLUTION_SUPPORTED TRUE CACHE INTERNAL "Super resolution is supported on iOS platform")
     target_compile_definitions(Diligent-PublicBuildSettings INTERFACE PLATFORM_IOS=1 PLATFORM_APPLE=1)
 elseif(PLATFORM_TVOS)
     target_compile_definitions(Diligent-PublicBuildSettings INTERFACE PLATFORM_TVOS=1 PLATFORM_APPLE=1)

Graphics/SuperResolution/CMakeLists.txt

@@ -83,6 +83,12 @@ if(D3D12_SUPPORTED)
     target_include_directories(Diligent-SuperResolution-static PRIVATE ../GraphicsEngineD3D12/include)
 endif()
 
+if(METAL_SUPPORTED)
+    target_include_directories(Diligent-SuperResolution-static PRIVATE
+        ${CMAKE_SOURCE_DIR}/DiligentCorePro/Graphics/SuperResolution/include
+    )
+endif()
+
 target_link_libraries(Diligent-SuperResolution-shared
 PUBLIC
     Diligent-SuperResolutionInterface

Graphics/SuperResolution/src/SuperResolutionFactory.cpp

@@ -37,6 +37,10 @@
 #    include "SuperResolution_D3D12.hpp"
 #endif
 
+#if METAL_SUPPORTED
+#    include "SuperResolution_Metal.hpp"
+#endif
+
 namespace Diligent
 {
 
@@ -97,6 +101,11 @@ void SuperResolutionFactoryImpl::PopulateVariants()
     if (m_pDSRDevice)
         EnumerateVariantsD3D12(m_pDSRDevice, m_Variants[SUPER_RESOLUTION_BACKEND_D3D12_DSR]);
 #endif
+
+#if METAL_SUPPORTED
+    if (m_pDevice != nullptr && m_pDevice->GetDeviceInfo().Type == RENDER_DEVICE_TYPE_METAL)
+        EnumerateVariantsMetal(m_pDevice, m_Variants[SUPER_RESOLUTION_BACKEND_METAL_FX]);
+#endif
 }
 
 SUPER_RESOLUTION_BACKEND SuperResolutionFactoryImpl::FindVariant(const INTERFACE_ID& VariantId) const
@@ -154,6 +163,11 @@ void SuperResolutionFactoryImpl::GetSourceSettings(const SuperResolutionSourceSe
         case SUPER_RESOLUTION_BACKEND_D3D12_DSR:
             GetSourceSettingsD3D12(m_pDSRDevice, Attribs, Settings);
             break;
+#endif
+#if METAL_SUPPORTED
+        case SUPER_RESOLUTION_BACKEND_METAL_FX:
+            GetSourceSettingsMetal(Attribs, Settings);
+            break;
 #endif
         default:
             LOG_WARNING_MESSAGE("Unknown super resolution backend");
@@ -184,6 +198,11 @@ void SuperResolutionFactoryImpl::CreateSuperResolution(const SuperResolutionDesc
             case SUPER_RESOLUTION_BACKEND_D3D12_DSR:
                 CreateSuperResolutionD3D12(m_pDevice, m_pDSRDevice, Desc, ppUpscaler);
                 break;
+#endif
+#if METAL_SUPPORTED
+            case SUPER_RESOLUTION_BACKEND_METAL_FX:
+                CreateSuperResolutionMetal(m_pDevice, Desc, ppUpscaler);
+                break;
 #endif
             default:
                 LOG_ERROR_MESSAGE("Unknown super resolution backend");