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Backends: Vulkan: Fixed handling of ImGui_ImplVulkan_InitInfo::MinAllocationSize field. (#7189, #4238)

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Tristan Gouge 2024-01-11 14:42:48 +01:00 committed by ocornut
parent 29809d7220
commit 82df7c8bf4
2 changed files with 6 additions and 4 deletions
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8
backends/imgui_impl_vulkan.cpp
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@ -33,6 +33,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-01-11: Vulkan: Fixed MinAllocationSize handing. (#7189)
// 2024-01-03: Vulkan: Added MinAllocationSize field in ImGui_ImplVulkan_InitInfo to workaround zealous "best practice" validation layer. (#7189, #4238)
// 2024-01-03: Vulkan: Stoped creating command pools with VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT as we don't reset them.
// 2023-11-29: Vulkan: Fixed mismatching allocator passed to vkCreateCommandPool() vs vkDestroyCommandPool(). (#7075)
@ -395,7 +396,7 @@ static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory
if (buffer_memory != VK_NULL_HANDLE)
vkFreeMemory(v->Device, buffer_memory, v->Allocator);
VkDeviceSize vertex_buffer_size_aligned = ((new_size - 1) / bd->BufferMemoryAlignment + 1) * bd->BufferMemoryAlignment;
VkDeviceSize vertex_buffer_size_aligned = ((IM_MAX(v->MinAllocationSize, new_size) - 1) / bd->BufferMemoryAlignment + 1) * bd->BufferMemoryAlignment;
VkBufferCreateInfo buffer_info = {};
buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
buffer_info.size = vertex_buffer_size_aligned;
@ -407,17 +408,16 @@ static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory
VkMemoryRequirements req;
vkGetBufferMemoryRequirements(v->Device, buffer, &req);
bd->BufferMemoryAlignment = (bd->BufferMemoryAlignment > req.alignment) ? bd->BufferMemoryAlignment : req.alignment;
VkDeviceSize size = IM_MAX(v->MinAllocationSize, req.size);
VkMemoryAllocateInfo alloc_info = {};
alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
alloc_info.allocationSize = size;
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, &buffer_memory);
check_vk_result(err);
err = vkBindBufferMemory(v->Device, buffer, buffer_memory, 0);
check_vk_result(err);
p_buffer_size = size;
p_buffer_size = vertex_buffer_size_aligned;
}
static void ImGui_ImplVulkan_SetupRenderState(ImDrawData* draw_data, VkPipeline pipeline, VkCommandBuffer command_buffer, ImGui_ImplVulkanH_FrameRenderBuffers* rb, int fb_width, int fb_height)

2
docs/CHANGELOG.txt
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@ -43,6 +43,8 @@ Breaking changes:
Other changes:
- Backends: Vulkan: Fixed handling of ImGui_ImplVulkan_InitInfo::MinAllocationSize field. (#7189, #4238)
-----------------------------------------------------------------------
VERSION 1.90.1 (Released 2024-01-10)