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Code Releases Wiki Activity

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;
}

1
docs/CHANGELOG.txt
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@ -67,6 +67,7 @@ Other changes:
- Misc: Fixed misc/cpp/imgui_stdlib.h/.cpp not supporting IMGUI_DISABLE. (#8294) [@juur]
- Backends: Allegro5: Avoid calling al_set_mouse_cursor() repeatedly since it appears
to leak on on X11 (#8256). [@Helodity]
- Backends: Metal: Fixed leaks when using metal-cpp. (#8276, #8166) [@selimsandal]
- Backends: Metal: Fixed resource leak when using multiple contexts. (#7419) [@anszom]
- Backends: Vulkan: Fixed setting VkSwapchainCreateInfoKHR::preTransform for
platforms not supporting VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR. (#8222) [@Zer0xFF]