add max texture size property to render context

rive-app · Oct 6, 2024 · ef6c7bb · ef6c7bb
1 parent b9bda16
commit ef6c7bb
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Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/Source/Renderer/RenderContextManager.mm b/Source/Renderer/RenderContextManager.mm
@@ -27,6 +27,14 @@ - (instancetype)init
         }
         _metalQueue = [_metalDevice newCommandQueue];
         _depthStencilPixelFormat = MTLPixelFormatInvalid;
+        // See https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf
+        if ([_metalDevice supportsFamily:MTLGPUFamilyApple3]) {
+            _maxTextureSize = 16384;
+        } else if ([_metalDevice supportsFamily:MTLGPUFamilyApple2]) {
+            _maxTextureSize = 8192;
+        } else {
+            _maxTextureSize = 4096; // See archive.org for older versions of the document.
+        }
         _framebufferOnly = NO;
 
         return self;

diff --git a/Source/Renderer/include/RenderContext.h b/Source/Renderer/include/RenderContext.h
@@ -26,6 +26,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property(strong) id<MTLDevice> metalDevice;
 @property(strong) id<MTLCommandQueue> metalQueue;
 @property MTLPixelFormat depthStencilPixelFormat;
+@property NSInteger maxTextureSize;
 @property BOOL framebufferOnly;
 - (rive::Factory*)factory;
 - (rive::Renderer*)beginFrame:(MTKView*)view;