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Use recommended 3 backbuffers on MoltenVK on Mac

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This commit is contained in:
Wojtek Figat
2022-01-09 20:12:52 +01:00
parent 959446df20
commit 2ca070ea3a
3 changed files with 5 additions and 1 deletions
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2
Source/Engine/GraphicsDevice/Vulkan/Config.h
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@@ -15,7 +15,9 @@
#endif
// Amount of back buffers to use
#ifndef VULKAN_BACK_BUFFERS_COUNT
#define VULKAN_BACK_BUFFERS_COUNT 2
#endif
#define VULKAN_BACK_BUFFERS_COUNT_MAX 16
/// <summary>

2
Source/Engine/GraphicsDevice/Vulkan/GPUSwapChainVulkan.cpp
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@@ -363,7 +363,7 @@ bool GPUSwapChainVulkan::CreateSwapChain(int32 width, int32 height)
VkSwapchainCreateInfoKHR swapChainInfo;
RenderToolsVulkan::ZeroStruct(swapChainInfo, VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
swapChainInfo.surface = _surface;
swapChainInfo.minImageCount = Math::Clamp<uint32_t>(VULKAN_BACK_BUFFERS_COUNT, surfProperties.minImageCount, surfProperties.maxImageCount);
swapChainInfo.minImageCount = Math::Clamp<uint32_t>(VULKAN_BACK_BUFFERS_COUNT, surfProperties.minImageCount, Math::Min<uint32_t>(surfProperties.maxImageCount, VULKAN_BACK_BUFFERS_COUNT_MAX));
swapChainInfo.imageFormat = result.format;
swapChainInfo.imageColorSpace = result.colorSpace;
swapChainInfo.imageExtent.width = width;

2
Source/Engine/GraphicsDevice/Vulkan/Mac/MacVulkanPlatform.h
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@@ -6,6 +6,8 @@
#if GRAPHICS_API_VULKAN && PLATFORM_MAC
#define VULKAN_BACK_BUFFERS_COUNT 3
/// <summary>
/// The implementation for the Vulkan API support for Mac platform.
/// </summary>