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Backends: Metal: Fixed memory leaks. (#8276, #8166)

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Selim Sandal 2025-01-08 12:00:40 +01:00 • committed by ocornut
parent 0514332474
commit e6a7c7689f
2 changed files with 9 additions and 2 deletions
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10
backends/imgui_impl_metal.mm
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@ -15,6 +15,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-01-08: Metal: Fixed memory leaks when using metal-cpp (#8276, #8166) or when using multiple contexts (#7419).
// 2022-08-23: Metal: Update deprecated property 'sampleCount'->'rasterSampleCount'.
// 2022-07-05: Metal: Add dispatch synchronization.
// 2022-06-30: Metal: Use __bridge for ARC based systems.
@ -156,8 +157,11 @@ void ImGui_ImplMetal_NewFrame(MTLRenderPassDescriptor* renderPassDescriptor)
{
ImGui_ImplMetal_Data* bd = ImGui_ImplMetal_GetBackendData();
IM_ASSERT(bd != nil && "Context or backend not initialized! Did you call ImGui_ImplMetal_Init()?");
#ifdef IMGUI_IMPL_METAL_CPP
bd->SharedMetalContext.framebufferDescriptor = [[[FramebufferDescriptor alloc] initWithRenderPassDescriptor:renderPassDescriptor]autorelease];
#else
bd->SharedMetalContext.framebufferDescriptor = [[FramebufferDescriptor alloc] initWithRenderPassDescriptor:renderPassDescriptor];
#endif
if (bd->SharedMetalContext.depthStencilState == nil)
ImGui_ImplMetal_CreateDeviceObjects(bd->SharedMetalContext.device);
}
@ -364,8 +368,10 @@ bool ImGui_ImplMetal_CreateDeviceObjects(id<MTLDevice> device)
depthStencilDescriptor.depthWriteEnabled = NO;
depthStencilDescriptor.depthCompareFunction = MTLCompareFunctionAlways;
bd->SharedMetalContext.depthStencilState = [device newDepthStencilStateWithDescriptor:depthStencilDescriptor];
#ifdef IMGUI_IMPL_METAL_CPP
[depthStencilDescriptor release];
#endif
ImGui_ImplMetal_CreateFontsTexture(device);
return true;
}