[Chore] (MG_Test/Backend/DirectVulkan): encapsulate SwapchainObject

2026-11-12 12:33:24 +09:00 · 2026-02-16 09:59:56 +08:00
parent 533e6bd57c
commit e01ebc8fc7
5 changed files with 259 additions and 165 deletions
@@ -0,0 +1,138 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#include "SwapchainObject.h"
+
+namespace MobileGL::MG_Backend::DirectVulkan {
+    SwapchainObject::SwapchainCapabilities SwapchainObject::GetSwapchainCapabilities(VkPhysicalDevice physicalDevice,
+                                                                                      VkSurfaceKHR surface) {
+        SwapchainCapabilities swapchainCapabilities{};
+
+        VK_VERIFY(
+            vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physicalDevice, surface, &swapchainCapabilities.capabilities));
+
+        Uint32 formatCount = 0;
+        VK_VERIFY(vkGetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &formatCount, nullptr));
+        if (formatCount != 0) {
+            swapchainCapabilities.surfaceFormats.resize(formatCount);
+            VK_VERIFY(vkGetPhysicalDeviceSurfaceFormatsKHR(
+                physicalDevice, surface, &formatCount, swapchainCapabilities.surfaceFormats.data()));
+        }
+
+        Uint32 presentModeCount = 0;
+        VK_VERIFY(
+            vkGetPhysicalDeviceSurfacePresentModesKHR(physicalDevice, surface, &presentModeCount, nullptr));
+        if (presentModeCount != 0) {
+            swapchainCapabilities.presentModes.resize(presentModeCount);
+            VK_VERIFY(vkGetPhysicalDeviceSurfacePresentModesKHR(
+                physicalDevice, surface, &presentModeCount, swapchainCapabilities.presentModes.data()));
+        }
+
+        return swapchainCapabilities;
+    }
+
+    VkSurfaceFormatKHR SwapchainObject::ChooseSwapchainSurfaceFormat(
+        const Vector<VkSurfaceFormatKHR>& availableFormats) {
+        for (const auto& availableFormat : availableFormats) {
+            if (availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB &&
+                availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
+                return availableFormat;
+            }
+        }
+
+        // TODO: Properly rank other formats
+        return availableFormats[0];
+    }
+
+    VkPresentModeKHR SwapchainObject::ChooseSwapchainPresentMode(
+        const Vector<VkPresentModeKHR>& availablePresentModes) {
+        for (auto desiredPresentMode : s_desiredPresentModes) {
+            for (const auto& presentMode : availablePresentModes) {
+                if (presentMode == desiredPresentMode) {
+                    return presentMode;
+                }
+            }
+        }
+
+        // TODO: Properly rank other modes
+        return availablePresentModes[0];
+    }
+
+    void SwapchainObject::Create(VkDevice device, const VkSwapchainCreateInfoKHR& createInfo) {
+        m_surfaceFormat = {createInfo.imageFormat, createInfo.imageColorSpace};
+        m_extent = createInfo.imageExtent;
+
+        VK_VERIFY(vkCreateSwapchainKHR(device, &createInfo, nullptr, &m_swapchain));
+
+        Uint32 imageCount = 0;
+        VK_VERIFY(vkGetSwapchainImagesKHR(device, m_swapchain, &imageCount, nullptr));
+
+        m_images.resize(imageCount, VK_NULL_HANDLE);
+        VK_VERIFY(vkGetSwapchainImagesKHR(device, m_swapchain, &imageCount, m_images.data()));
+        m_imageLayouts.assign(imageCount, VK_IMAGE_LAYOUT_UNDEFINED);
+
+        CreateImageViews(device);
+
+        MGLOG_I("Swapchain created, extent = %dx%d, swapchain imageCount = %d", m_extent.width, m_extent.height,
+                imageCount);
+    }
+
+    void SwapchainObject::Shutdown(VkDevice device) {
+        for (auto imageView : m_imageViews) {
+            vkDestroyImageView(device, imageView, nullptr);
+        }
+        m_imageViews.clear();
+
+        if (m_swapchain != VK_NULL_HANDLE) {
+            vkDestroySwapchainKHR(device, m_swapchain, nullptr);
+            m_swapchain = VK_NULL_HANDLE;
+        }
+
+        m_images.clear();
+        m_imageLayouts.clear();
+    }
+
+    VkImage SwapchainObject::GetImage(Uint32 index) const {
+        MOBILEGL_ASSERT(index < m_images.size(), "Swapchain image index out of range");
+        return m_images[index];
+    }
+
+    VkImageLayout SwapchainObject::GetImageLayout(Uint32 index) const {
+        MOBILEGL_ASSERT(index < m_imageLayouts.size(), "Swapchain image layout index out of range");
+        return m_imageLayouts[index];
+    }
+
+    void SwapchainObject::SetImageLayout(Uint32 index, VkImageLayout layout) {
+        MOBILEGL_ASSERT(index < m_imageLayouts.size(), "Swapchain image layout index out of range");
+        m_imageLayouts[index] = layout;
+    }
+
+    void SwapchainObject::CreateImageViews(VkDevice device) {
+        m_imageViews.resize(m_images.size(), VK_NULL_HANDLE);
+        for (SizeT i = 0; i < m_imageViews.size(); i++) {
+            VkImageViewCreateInfo createInfo{};
+            createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+            createInfo.image = m_images[i];
+            createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
+            createInfo.format = m_surfaceFormat.format;
+            createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
+            createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
+            createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
+            createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
+            createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+            createInfo.subresourceRange.baseMipLevel = 0;
+            createInfo.subresourceRange.levelCount = 1;
+            createInfo.subresourceRange.baseArrayLayer = 0;
+            createInfo.subresourceRange.layerCount = 1;
+            VK_VERIFY(vkCreateImageView(device, &createInfo, nullptr, &m_imageViews[i]));
+        }
+        MGLOG_I("Swapchain image views created");
+    }
+
+#undef VK_VERIFY
+} // namespace MobileGL::MG_Backend::DirectVulkan