From 00c8b5ae3a0853985a00acf0ce47662954c7bc6b Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Tue, 3 Mar 2026 13:38:06 +0800
Subject: [PATCH] [Chore] (MG_Backend/DirectVulkan): get rid of unused
 functions

---
 .../DirectVulkan/Renderer/VulkanRenderer.cpp  | 42 -------------------
 .../DirectVulkan/Renderer/VulkanRenderer.h    |  7 ----
 2 files changed, 49 deletions(-)

diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
index 5ab70d3e..763cc678 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
@@ -224,48 +224,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         MGLOG_I("VulkanRenderer shut down completed");
     }
 
-    void VulkanRenderer::TransitionSwapchainImageToColorAttachment(VkCommandBuffer commandBuffer, Uint32 imageIndex) {
-        auto layout = m_swapchainObject.GetImageLayout(imageIndex);
-        Bool ok = VkTextureManager::TransitionImageLayout(commandBuffer, m_swapchainObject.GetImage(imageIndex),
-                                                layout, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
-                                                VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
-                                                0, VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
-                                                VK_IMAGE_ASPECT_COLOR_BIT);
-        MOBILEGL_ASSERT(ok, "TransitionSwapchainImageToColorAttachment failed");
-        m_swapchainObject.SetImageLayout(imageIndex, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
-    }
-
-    void VulkanRenderer::TransitionDepthStencilImageToAttachment(VkCommandBuffer commandBuffer, Uint32 imageIndex) {
-        if (m_swapchainObject.GetDepthStencilFormat() == VK_FORMAT_UNDEFINED) {
-            return;
-        }
-
-        VkImageAspectFlags aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
-        const auto depthStencilFormat = m_swapchainObject.GetDepthStencilFormat();
-        if (depthStencilFormat == VK_FORMAT_D24_UNORM_S8_UINT || depthStencilFormat == VK_FORMAT_D32_SFLOAT_S8_UINT) {
-            aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
-        }
-
-        auto oldLayout = m_swapchainObject.GetDepthStencilImageLayout(imageIndex);
-        Bool ok = VkTextureManager::TransitionImageLayout(
-            commandBuffer, m_swapchainObject.GetDepthStencilImage(imageIndex),
-            oldLayout, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
-            VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
-            VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT, 0,
-            VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT, aspectMask);
-        MOBILEGL_ASSERT(ok, "TransitionDepthStencilImageToAttachment failed");
-        m_swapchainObject.SetDepthStencilImageLayout(imageIndex, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
-    }
-
-    void VulkanRenderer::EndFrameRecordingIfNeeded() {
-        auto& frame = m_frameContext.GetCurrent();
-        if (!frame.isCommandRecording) {
-            return;
-        }
-
-        m_frameContext.EndCommandRecording();
-    }
-
     void VulkanRenderer::DeferDestroyBuffer(VkBufferObject& buffer) {
         if (!buffer.IsValid()) {
             return;
diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
index 1b2672ff..01b4aad5 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
@@ -100,15 +100,11 @@ namespace MobileGL::MG_Backend::DirectVulkan {
         VkInstance m_instance = VK_NULL_HANDLE;
         VkDebugUtilsMessengerEXT m_debugMessenger = VK_NULL_HANDLE;
         PhysicalDevice m_physicalDevice;
-        // VkPhysicalDevice m_physicalDevice = VK_NULL_HANDLE;
         VkDevice m_device = VK_NULL_HANDLE;
         VmaAllocator m_allocator = nullptr;
         VkSurfaceKHR m_surface = VK_NULL_HANDLE;
         SwapchainObject m_swapchainObject;
 
-        // Vector<VkQueueFamilyProperties> m_queueFamilies;
-        // QueueFamilyIndices m_queueFamilyIndices;
-
         VkQueue m_graphicsQueue = VK_NULL_HANDLE;
         VkQueue m_presentQueue = VK_NULL_HANDLE;
         Bool m_drawIndirectCountExtensionEnabled = false;
@@ -159,9 +155,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
             const MG_State::GLState::VertexArrayObject& vao,
             const MG_State::GLState::FramebufferObject& drawFbo);
 
-        void TransitionSwapchainImageToColorAttachment(VkCommandBuffer commandBuffer, Uint32 imageIndex);
-        void TransitionDepthStencilImageToAttachment(VkCommandBuffer commandBuffer, Uint32 imageIndex);
-        void EndFrameRecordingIfNeeded();
         void DeferDestroyBuffer(VkBufferObject& buffer);
         void CollectDeferredBufferReleases(Uint32 frameIndex);
         Bool EnsureFrameUploadBufferCapacity(Uint32 frameIndex, Bool isIndexBuffer, VkDeviceSize requiredEndOffset,