Function SwapChainChanged

engine/graphics/src/vulkan/graphics_vulkan.cpp:945–1011

    }

    void SwapChainChanged(VulkanContext* context, uint32_t* width, uint32_t* height, VkResult (*cb)(void* ctx), void* cb_ctx)
    {
        VkDevice vk_device = context->m_LogicalDevice.m_Device;

        if (vk_device == VK_NULL_HANDLE)
        {
            return;
        }

        // Flush all current commands
        SynchronizeDevice(vk_device);

        DestroyMainFrameBuffers(context);

        // Destroy main Depth/Stencil buffer
        VulkanTexture* depth_stencil_texture = &context->m_MainTextureDepthStencil;
        DestroyDeviceBuffer(vk_device, &depth_stencil_texture->m_DeviceBuffer.m_Handle);
        DestroyTexture(vk_device, &depth_stencil_texture->m_Handle);
        DestroySwapChain(vk_device, context->m_SwapChain);

        // Reset the image layout
        memset(depth_stencil_texture->m_ImageLayout, 0, sizeof(depth_stencil_texture->m_ImageLayout));

        // At this point, we've destroyed the framebuffers, depth/stencil textures, and the swapchain
        // and the platform may do extra setup
        if (cb)
        {
            VkResult res = cb(cb_ctx);
            CHECK_VK_ERROR(res);
        }

        // Update swap chain capabilities
        SwapChainCapabilities swap_chain_capabilities;
        GetSwapChainCapabilities(context->m_PhysicalDevice.m_Device, context->m_WindowSurface, swap_chain_capabilities);
        context->m_SwapChainCapabilities.Swap(swap_chain_capabilities);

        const bool want_vsync = context->m_SwapInterval != 0;

        // Create the swap chain
        VkResult res = UpdateSwapChain(&context->m_PhysicalDevice, &context->m_LogicalDevice, width, height, want_vsync, context->m_SwapChainCapabilities, context->m_SwapChain);
        CHECK_VK_ERROR(res);

        // Create the main Depth/Stencil buffer
        VkFormat vk_depth_format;
        VkImageTiling vk_depth_tiling;
        GetDepthFormatAndTiling(context->m_PhysicalDevice.m_Device, 0, 0, &vk_depth_format, &vk_depth_tiling);
        res = CreateDepthStencilTexture(context,
            vk_depth_format, vk_depth_tiling,
            context->m_SwapChain->m_ImageExtent.width,
            context->m_SwapChain->m_ImageExtent.height,
            context->m_SwapChain->m_SampleCountFlag,
            GetDefaultDepthAndStencilAspectFlags(vk_depth_format),
            depth_stencil_texture);
        CHECK_VK_ERROR(res);

        context->m_WindowWidth  = context->m_SwapChain->m_ImageExtent.width;
        context->m_WindowHeight = context->m_SwapChain->m_ImageExtent.height;