diff --git a/backends/imgui_impl_vulkan.cpp b/backends/imgui_impl_vulkan.cpp index b9e3dcb3..d5c6ae5f 100644 --- a/backends/imgui_impl_vulkan.cpp +++ b/backends/imgui_impl_vulkan.cpp @@ -33,6 +33,11 @@ // CHANGELOG // (minor and older changes stripped away, please see git history for details) +// 2023-11-10: *BREAKING CHANGE*: Removed parameter from ImGui_ImplVulkan_CreateFontsTexture(): backend now creates its own command-buffer to upload fonts. +// *BREAKING CHANGE*: Removed ImGui_ImplVulkan_DestroyFontUploadObjects() which is now unecessary as we create and destroy those objects in the backend. +// ImGui_ImplVulkan_CreateFontsTexture() is automatically called by NewFrame() the first time. +// You can call ImGui_ImplVulkan_CreateFontsTexture() again to recreate the font atlas texture. +// Added ImGui_ImplVulkan_DestroyFontsTexture() but you probably never need to call this. // 2023-07-04: Vulkan: Added optional support for VK_KHR_dynamic_rendering. User needs to set init_info->UseDynamicRendering = true and init_info->ColorAttachmentFormat. // 2023-01-02: Vulkan: Fixed sampler passed to ImGui_ImplVulkan_AddTexture() not being honored + removed a bunch of duplicate code. // 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11. @@ -120,8 +125,8 @@ struct ImGui_ImplVulkan_Data VkImage FontImage; VkImageView FontView; VkDescriptorSet FontDescriptorSet; - VkDeviceMemory UploadBufferMemory; - VkBuffer UploadBuffer; + VkCommandPool FontCommandPool; + VkCommandBuffer FontCommandBuffer; // Render buffers for main window ImGui_ImplVulkanH_WindowRenderBuffers MainWindowRenderBuffers; @@ -587,11 +592,12 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm vkCmdSetScissor(command_buffer, 0, 1, &scissor); } -bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +bool ImGui_ImplVulkan_CreateFontsTexture() { ImGuiIO& io = ImGui::GetIO(); ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData(); ImGui_ImplVulkan_InitInfo* v = &bd->VulkanInitInfo; + VkResult err; // Destroy existing texture (if any) if (bd->FontView || bd->FontImage || bd->FontMemory || bd->FontDescriptorSet) @@ -600,13 +606,41 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) ImGui_ImplVulkan_DestroyFontsTexture(); } + // Create command pool/buffer + if (bd->FontCommandPool == VK_NULL_HANDLE) + { + VkCommandPoolCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; + info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; + info.queueFamilyIndex = v->QueueFamily; + vkCreateCommandPool(v->Device, &info, nullptr, &bd->FontCommandPool); + } + if (bd->FontCommandBuffer == VK_NULL_HANDLE) + { + VkCommandBufferAllocateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; + info.commandPool = bd->FontCommandPool; + info.commandBufferCount = 1; + err = vkAllocateCommandBuffers(v->Device, &info, &bd->FontCommandBuffer); + check_vk_result(err); + } + + // Start command buffer + { + err = vkResetCommandPool(v->Device, bd->FontCommandPool, 0); + check_vk_result(err); + VkCommandBufferBeginInfo begin_info = {}; + begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + begin_info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(bd->FontCommandBuffer, &begin_info); + check_vk_result(err); + } + unsigned char* pixels; int width, height; io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); size_t upload_size = width * height * 4 * sizeof(char); - VkResult err; - // Create the Image: { VkImageCreateInfo info = {}; @@ -655,40 +689,42 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) bd->FontDescriptorSet = (VkDescriptorSet)ImGui_ImplVulkan_AddTexture(bd->FontSampler, bd->FontView, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL); // Create the Upload Buffer: + VkDeviceMemory upload_buffer_memory; + VkBuffer upload_buffer; { VkBufferCreateInfo buffer_info = {}; buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; buffer_info.size = upload_size; buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &bd->UploadBuffer); + err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &upload_buffer); check_vk_result(err); VkMemoryRequirements req; - vkGetBufferMemoryRequirements(v->Device, bd->UploadBuffer, &req); + vkGetBufferMemoryRequirements(v->Device, upload_buffer, &req); bd->BufferMemoryAlignment = (bd->BufferMemoryAlignment > req.alignment) ? bd->BufferMemoryAlignment : req.alignment; VkMemoryAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; alloc_info.allocationSize = req.size; alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &bd->UploadBufferMemory); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &upload_buffer_memory); check_vk_result(err); - err = vkBindBufferMemory(v->Device, bd->UploadBuffer, bd->UploadBufferMemory, 0); + err = vkBindBufferMemory(v->Device, upload_buffer, upload_buffer_memory, 0); check_vk_result(err); } // Upload to Buffer: { char* map = nullptr; - err = vkMapMemory(v->Device, bd->UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + err = vkMapMemory(v->Device, upload_buffer_memory, 0, upload_size, 0, (void**)(&map)); check_vk_result(err); memcpy(map, pixels, upload_size); VkMappedMemoryRange range[1] = {}; range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = bd->UploadBufferMemory; + range[0].memory = upload_buffer_memory; range[0].size = upload_size; err = vkFlushMappedMemoryRanges(v->Device, 1, range); check_vk_result(err); - vkUnmapMemory(v->Device, bd->UploadBufferMemory); + vkUnmapMemory(v->Device, upload_buffer_memory); } // Copy to Image: @@ -704,7 +740,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; copy_barrier[0].subresourceRange.levelCount = 1; copy_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, copy_barrier); + vkCmdPipelineBarrier(bd->FontCommandBuffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, copy_barrier); VkBufferImageCopy region = {}; region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; @@ -712,7 +748,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) region.imageExtent.width = width; region.imageExtent.height = height; region.imageExtent.depth = 1; - vkCmdCopyBufferToImage(command_buffer, bd->UploadBuffer, bd->FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + vkCmdCopyBufferToImage(bd->FontCommandBuffer, upload_buffer, bd->FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); VkImageMemoryBarrier use_barrier[1] = {}; use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; @@ -726,15 +762,32 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; use_barrier[0].subresourceRange.levelCount = 1; use_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, nullptr, 0, nullptr, 1, use_barrier); + vkCmdPipelineBarrier(bd->FontCommandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, nullptr, 0, nullptr, 1, use_barrier); } // Store our identifier io.Fonts->SetTexID((ImTextureID)bd->FontDescriptorSet); + // End command buffer + VkSubmitInfo end_info = {}; + end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + end_info.commandBufferCount = 1; + end_info.pCommandBuffers = &bd->FontCommandBuffer; + err = vkEndCommandBuffer(bd->FontCommandBuffer); + check_vk_result(err); + err = vkQueueSubmit(v->Queue, 1, &end_info, VK_NULL_HANDLE); + check_vk_result(err); + + err = vkDeviceWaitIdle(v->Device); + check_vk_result(err); + + vkDestroyBuffer(v->Device, upload_buffer, v->Allocator); + vkFreeMemory(v->Device, upload_buffer_memory, v->Allocator); + return true; } +// You probably never need to call this, as it is called by ImGui_ImplVulkan_CreateFontsTexture() and ImGui_ImplVulkan_Shutdown(). void ImGui_ImplVulkan_DestroyFontsTexture() { ImGuiIO& io = ImGui::GetIO(); @@ -751,7 +804,6 @@ void ImGui_ImplVulkan_DestroyFontsTexture() if (bd->FontView) { vkDestroyImageView(v->Device, bd->FontView, v->Allocator); bd->FontView = VK_NULL_HANDLE; } if (bd->FontImage) { vkDestroyImage(v->Device, bd->FontImage, v->Allocator); bd->FontImage = VK_NULL_HANDLE; } if (bd->FontMemory) { vkFreeMemory(v->Device, bd->FontMemory, v->Allocator); bd->FontMemory = VK_NULL_HANDLE; } - ImGui_ImplVulkan_DestroyFontUploadObjects(); } static void ImGui_ImplVulkan_CreateShaderModules(VkDevice device, const VkAllocationCallbacks* allocator) @@ -956,30 +1008,14 @@ bool ImGui_ImplVulkan_CreateDeviceObjects() return true; } -void ImGui_ImplVulkan_DestroyFontUploadObjects() -{ - ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData(); - ImGui_ImplVulkan_InitInfo* v = &bd->VulkanInitInfo; - if (bd->UploadBuffer) - { - vkDestroyBuffer(v->Device, bd->UploadBuffer, v->Allocator); - bd->UploadBuffer = VK_NULL_HANDLE; - } - if (bd->UploadBufferMemory) - { - vkFreeMemory(v->Device, bd->UploadBufferMemory, v->Allocator); - bd->UploadBufferMemory = VK_NULL_HANDLE; - } -} - void ImGui_ImplVulkan_DestroyDeviceObjects() { ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData(); ImGui_ImplVulkan_InitInfo* v = &bd->VulkanInitInfo; ImGui_ImplVulkanH_DestroyWindowRenderBuffers(v->Device, &bd->MainWindowRenderBuffers, v->Allocator); - ImGui_ImplVulkan_DestroyFontUploadObjects(); ImGui_ImplVulkan_DestroyFontsTexture(); + if (bd->FontCommandPool) { vkDestroyCommandPool(v->Device, bd->FontCommandPool, v->Allocator); bd->FontCommandPool = VK_NULL_HANDLE; } if (bd->ShaderModuleVert) { vkDestroyShaderModule(v->Device, bd->ShaderModuleVert, v->Allocator); bd->ShaderModuleVert = VK_NULL_HANDLE; } if (bd->ShaderModuleFrag) { vkDestroyShaderModule(v->Device, bd->ShaderModuleFrag, v->Allocator); bd->ShaderModuleFrag = VK_NULL_HANDLE; } if (bd->FontSampler) { vkDestroySampler(v->Device, bd->FontSampler, v->Allocator); bd->FontSampler = VK_NULL_HANDLE; } @@ -1079,7 +1115,9 @@ void ImGui_ImplVulkan_NewFrame() { ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData(); IM_ASSERT(bd != nullptr && "Did you call ImGui_ImplVulkan_Init()?"); - IM_UNUSED(bd); + + if (!bd->FontDescriptorSet) + ImGui_ImplVulkan_CreateFontsTexture(); } void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count) diff --git a/backends/imgui_impl_vulkan.h b/backends/imgui_impl_vulkan.h index 1251aca8..c53ba688 100644 --- a/backends/imgui_impl_vulkan.h +++ b/backends/imgui_impl_vulkan.h @@ -78,9 +78,8 @@ IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* inf IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer, VkPipeline pipeline = VK_NULL_HANDLE); -IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(); IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontsTexture(); -IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects(); IMGUI_IMPL_API void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count); // To override MinImageCount after initialization (e.g. if swap chain is recreated) // Register a texture (VkDescriptorSet == ImTextureID) diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index 09e1d726..ae7723e1 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -88,6 +88,11 @@ Breaking changes: - Commented out runtime support for hardcoded ~0 or 0x01..0x0F rounding flags values for AddRect()/AddRectFilled()/PathRect()/AddImageRounded(). -> Use ImDrawFlags_RoundCornersXXX flags. Read 1.82 Changelog for details. + - Backends: Vulkan: Removed parameter from ImGui_ImplVulkan_CreateFontsTexture(): backend now creates its own + command-buffer to upload fonts. Removed ImGui_ImplVulkan_DestroyFontUploadObjects() which is now unecessary. + No need to call ImGui_ImplVulkan_CreateFontsTexture() as it is done automatically in NewFrame(). + You can call ImGui_ImplVulkan_CreateFontsTexture() manually if you need to reload the font atlas texture. + (#6943, #6715, #6327, #3743, #4618) Other changes: @@ -210,9 +215,13 @@ Other changes: - Demo: Added "Drag and Drop -> Tooltip at target location" demo. - Demo: Added "Layout -> Child Windows -> Manual-resize" demo. (#1710) - Demo: Added "Layout -> Child Windows -> Auto-resize with constraints" demo. (#1666, #1395, #1496, #1710) -- Backends: Vulkan: Added ImGui_ImplVulkan_DestroyFontsTexture(), made ImGui_ImplVulkan_CreateFontsTexture() - destroy previous one, allowing recreation of fonts without leaks. (#6943, #6715, #6327, #3743, #4618) - [@helynranta, @thomasherzog, @guybrush77, @albin-johansson, @MiroKaku, @benbatya-fb] +- Backends: Vulkan: Removed parameter from ImGui_ImplVulkan_CreateFontsTexture(): backend now creates its own + command-buffer to upload fonts. Removed ImGui_ImplVulkan_DestroyFontUploadObjects() which is now unecessary. + No need to call ImGui_ImplVulkan_CreateFontsTexture() as it is done automatically in NewFrame(). + You can call ImGui_ImplVulkan_CreateFontsTexture() manually if you need to reload font atlas texture. + Fixed leaks, and added ImGui_ImplVulkan_DestroyFontsTexture() (probably no need to call this directly). + (#6943, #6715, #6327, #3743, #4618) + [@helynranta, @thomasherzog, @guybrush77, @albin-johansson, @MiroKaku, @benbatya-fb, @ocornut] - Backends: GLFW: Clear emscripten's MouseWheel callback before shutdown. (#6790, #6096, #4019) [@halx99] - Backends: GLFW: Added support for F13 to F24 function keys. (#6891) - Backends: SDL2, SDL3: Added support for F13 to F24 function keys, AppBack, AppForward. (#6891) diff --git a/examples/example_glfw_vulkan/main.cpp b/examples/example_glfw_vulkan/main.cpp index 49a87c58..e8027c44 100644 --- a/examples/example_glfw_vulkan/main.cpp +++ b/examples/example_glfw_vulkan/main.cpp @@ -47,9 +47,6 @@ static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static VkCommandPool g_FontCommandPool = VK_NULL_HANDLE; -static VkCommandBuffer g_FontCommandBuffer = VK_NULL_HANDLE; - static ImGui_ImplVulkanH_Window g_MainWindowData; static int g_MinImageCount = 2; static bool g_SwapChainRebuild = false; @@ -276,7 +273,6 @@ static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface static void CleanupVulkan() { - vkDestroyCommandPool(g_Device, g_FontCommandPool, g_Allocator); vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); #ifdef IMGUI_VULKAN_DEBUG_REPORT @@ -383,51 +379,6 @@ static void FramePresent(ImGui_ImplVulkanH_Window* wd) wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores } -static void UploadFonts() -{ - if (g_FontCommandPool == VK_NULL_HANDLE) - { - VkCommandPoolCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; - info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; - info.queueFamilyIndex = g_QueueFamily; - vkCreateCommandPool(g_Device, &info, nullptr, &g_FontCommandPool); - } - - if (g_FontCommandBuffer == VK_NULL_HANDLE) - { - VkCommandBufferAllocateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; - info.commandPool = g_FontCommandPool; - info.commandBufferCount = 1; - VkResult err = vkAllocateCommandBuffers(g_Device, &info, &g_FontCommandBuffer); - check_vk_result(err); - } - - VkResult err = vkResetCommandPool(g_Device, g_FontCommandPool, 0); - check_vk_result(err); - VkCommandBufferBeginInfo begin_info = {}; - begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; - begin_info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; - err = vkBeginCommandBuffer(g_FontCommandBuffer, &begin_info); - check_vk_result(err); - - ImGui_ImplVulkan_CreateFontsTexture(g_FontCommandBuffer); - - VkSubmitInfo end_info = {}; - end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; - end_info.commandBufferCount = 1; - end_info.pCommandBuffers = &g_FontCommandBuffer; - err = vkEndCommandBuffer(g_FontCommandBuffer); - check_vk_result(err); - err = vkQueueSubmit(g_Queue, 1, &end_info, VK_NULL_HANDLE); - check_vk_result(err); - - err = vkDeviceWaitIdle(g_Device); - check_vk_result(err); - ImGui_ImplVulkan_DestroyFontUploadObjects(); -} - // Main code int main(int, char**) { @@ -507,9 +458,6 @@ int main(int, char**) //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); //IM_ASSERT(font != nullptr); - // Upload Fonts - UploadFonts(); - // Our state bool show_demo_window = true; bool show_another_window = false; diff --git a/examples/example_sdl2_vulkan/main.cpp b/examples/example_sdl2_vulkan/main.cpp index a2d08f1e..3163446f 100644 --- a/examples/example_sdl2_vulkan/main.cpp +++ b/examples/example_sdl2_vulkan/main.cpp @@ -39,9 +39,6 @@ static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static VkCommandPool g_FontCommandPool = VK_NULL_HANDLE; -static VkCommandBuffer g_FontCommandBuffer = VK_NULL_HANDLE; - static ImGui_ImplVulkanH_Window g_MainWindowData; static uint32_t g_MinImageCount = 2; static bool g_SwapChainRebuild = false; @@ -264,7 +261,6 @@ static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface static void CleanupVulkan() { - vkDestroyCommandPool(g_Device, g_FontCommandPool, g_Allocator); vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); #ifdef IMGUI_VULKAN_DEBUG_REPORT @@ -371,51 +367,6 @@ static void FramePresent(ImGui_ImplVulkanH_Window* wd) wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores } -static void UploadFonts() -{ - if (g_FontCommandPool == VK_NULL_HANDLE) - { - VkCommandPoolCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; - info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; - info.queueFamilyIndex = g_QueueFamily; - vkCreateCommandPool(g_Device, &info, nullptr, &g_FontCommandPool); - } - - if (g_FontCommandBuffer == VK_NULL_HANDLE) - { - VkCommandBufferAllocateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; - info.commandPool = g_FontCommandPool; - info.commandBufferCount = 1; - VkResult err = vkAllocateCommandBuffers(g_Device, &info, &g_FontCommandBuffer); - check_vk_result(err); - } - - VkResult err = vkResetCommandPool(g_Device, g_FontCommandPool, 0); - check_vk_result(err); - VkCommandBufferBeginInfo begin_info = {}; - begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; - begin_info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; - err = vkBeginCommandBuffer(g_FontCommandBuffer, &begin_info); - check_vk_result(err); - - ImGui_ImplVulkan_CreateFontsTexture(g_FontCommandBuffer); - - VkSubmitInfo end_info = {}; - end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; - end_info.commandBufferCount = 1; - end_info.pCommandBuffers = &g_FontCommandBuffer; - err = vkEndCommandBuffer(g_FontCommandBuffer); - check_vk_result(err); - err = vkQueueSubmit(g_Queue, 1, &end_info, VK_NULL_HANDLE); - check_vk_result(err); - - err = vkDeviceWaitIdle(g_Device); - check_vk_result(err); - ImGui_ImplVulkan_DestroyFontUploadObjects(); -} - // Main code int main(int, char**) { @@ -502,9 +453,6 @@ int main(int, char**) //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); //IM_ASSERT(font != nullptr); - // Upload Fonts - UploadFonts(); - // Our state bool show_demo_window = true; bool show_another_window = false;