Fix #3090 metal texture memory leak

halx99 · halx99 · commit 06ded733aa7e · 2026-03-17T12:17:29.000+08:00
diff --git a/axmol/rhi/metal/TextureMTL.mm b/axmol/rhi/metal/TextureMTL.mm
@@ -56,7 +56,14 @@ static bool isColorRenderable(PixelFormat textureFormat)
     updateTextureDesc(desc);
 }
 
-TextureImpl::~TextureImpl() {}
+TextureImpl::~TextureImpl()
+{
+    if (_mtlTexture != nil)
+    {
+        [_mtlTexture release];
+        _mtlTexture = nil;
+    }
+}
 
 void TextureImpl::updateSamplerDesc(const SamplerDesc& desc)
 {

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,14 @@ static bool isColorRenderable(PixelFormat textureFormat)`
`56`	`56`	`updateTextureDesc(desc);`
`57`	`57`	`}`
`58`	`58`
`59`		`-TextureImpl::~TextureImpl() {}`
	`59`	`+TextureImpl::~TextureImpl()`
	`60`	`+{`
	`61`	`+ if (_mtlTexture != nil)`
	`62`	`+ {`
	`63`	`+ [_mtlTexture release];`
	`64`	`+ _mtlTexture = nil;`
	`65`	`+ }`
	`66`	`+}`
`60`	`67`
`61`	`68`	`void TextureImpl::updateSamplerDesc(const SamplerDesc& desc)`
`62`	`69`	`{`