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