Implement command buffer pool

xiaowei-guan · Jul 18, 2024 · ee475d8 · ee475d8
1 parent 7ccd858
commit ee475d8
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Showing 2 changed files with 26 additions and 0 deletions.
diff --git a/flutter/shell/platform/tizen/tizen_renderer_vulkan.cc b/flutter/shell/platform/tizen/tizen_renderer_vulkan.cc
@@ -376,6 +376,29 @@ bool TizenRendererVulkan::CreateLogicalDevice() {
   return true;
 }
 
+bool TizenRendererVulkan::CreateCommandPool() {
+  // --------------------------------------------------------------------------
+  // Create sync primitives and command pool to use in the render loop
+  // callbacks.
+  // --------------------------------------------------------------------------
+
+  VkFenceCreateInfo f_info{};
+  f_info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
+  vkCreateFence(logical_device_, &f_info, nullptr, &image_ready_fence_);
+
+  VkSemaphoreCreateInfo s_info{};
+  s_info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
+  vkCreateSemaphore(logical_device_, &s_info, nullptr,
+                    &present_transition_semaphore_);
+
+  VkCommandPoolCreateInfo pool_info{};
+  pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
+  pool_info.queueFamilyIndex = graphics_queue_family_index_;
+  vkCreateCommandPool(logical_device_, &pool_info, nullptr,
+                      &swapchain_command_pool_);
+  return false;
+}
+
 bool TizenRendererVulkan::InitializeSwapchain() {
   // --------------------------------------------------------------------------
   // Choose an image format that can be presented to the surface, preferring

diff --git a/flutter/shell/platform/tizen/tizen_renderer_vulkan.h b/flutter/shell/platform/tizen/tizen_renderer_vulkan.h
@@ -46,6 +46,7 @@ class TizenRendererVulkan : public TizenRenderer {
       VK_PRESENT_MODE_FIFO_KHR;
   bool CreateInstance();
   bool CreateLogicalDevice();
+  bool CreateCommandPool();
   void Cleanup();
   bool CheckValidationLayerSupport();
   bool GetRequiredExtensions(std::vector<const char*>& extensions);
@@ -65,6 +66,8 @@ class TizenRendererVulkan : public TizenRenderer {
   VkQueue graphics_queue_;
   VkSurfaceKHR surface_;
   VkSurfaceFormatKHR surface_format_;
+  VkSemaphore present_transition_semaphore_;
+  VkFence image_ready_fence_;
   VkSwapchainKHR swapchain_;
   VkCommandPool swapchain_command_pool_;
   std::vector<VkImage> swapchain_images_;