Using Metal 2.1 shader library on iOS

H-uru · May 1, 2024 · 911e540 · 911e540
1 parent 120ad59
commit 911e540
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/Sources/Plasma/FeatureLib/pfMetalPipeline/plMetalDeviceLibraryLoader.mm b/Sources/Plasma/FeatureLib/pfMetalPipeline/plMetalDeviceLibraryLoader.mm
@@ -46,13 +46,22 @@
 
 void plMetalDevice::LoadLibrary()
 {
+ /*
+ On iOS we're fine loading the Metal 2.1 library. Metal 2.1 includes
+ all the Apple Silicon features on iOS. We need Metal 2.3 to get those
+ features on macOS.
+ */
+
  NS::Error* error;
+
+#ifdef TARGET_MACOS
  if (@available(macOS 11, *))
  {
  NSURL* shaderURL = [NSBundle.mainBundle URLForResource:@"pfMetalPipelineShadersMSL23" withExtension:@"metallib"];
  fShaderLibrary = fMetalDevice->newLibrary(static_cast<NS::URL*>(shaderURL), &error);
  }
  else
+#endif
  {
  NSURL* shaderURL = [NSBundle.mainBundle URLForResource:@"pfMetalPipelineShadersMSL21" withExtension:@"metallib"];
  fShaderLibrary = fMetalDevice->newLibrary(static_cast<NS::URL*>(shaderURL), &error);