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Backends: Vulkan: use ImVector<> for simplicity.

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ocornut 2025-01-15 16:10:47 +01:00
parent 6684984c49
commit 8ebf22d3c1
2 changed files with 15 additions and 21 deletions
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32
backends/imgui_impl_vulkan.cpp
View File

@ -216,7 +216,7 @@ struct ImGui_ImplVulkan_WindowRenderBuffers
{
uint32_t Index;
uint32_t Count;
ImGui_ImplVulkan_FrameRenderBuffers* FrameRenderBuffers;
ImVector<ImGui_ImplVulkan_FrameRenderBuffers> FrameRenderBuffers;
};
struct ImGui_ImplVulkan_Texture
@ -501,12 +501,12 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
// Allocate array to store enough vertex/index buffers
ImGui_ImplVulkan_WindowRenderBuffers* wrb = &bd->MainWindowRenderBuffers;
if (wrb->FrameRenderBuffers == nullptr)
if (wrb->FrameRenderBuffers.Size == 0)
{
wrb->Index = 0;
wrb->Count = v->ImageCount;
wrb->FrameRenderBuffers = (ImGui_ImplVulkan_FrameRenderBuffers*)IM_ALLOC(sizeof(ImGui_ImplVulkan_FrameRenderBuffers) * wrb->Count);
memset((void*)wrb->FrameRenderBuffers, 0, sizeof(ImGui_ImplVulkan_FrameRenderBuffers) * wrb->Count);
wrb->FrameRenderBuffers.resize(wrb->Count);
memset((void*)wrb->FrameRenderBuffers.Data, 0, wrb->FrameRenderBuffers.size_in_bytes());
}
IM_ASSERT(wrb->Count == v->ImageCount);
wrb->Index = (wrb->Index + 1) % wrb->Count;
@ -1250,8 +1250,7 @@ void ImGui_ImplVulkan_DestroyWindowRenderBuffers(VkDevice device, ImGui_ImplVulk
{
for (uint32_t n = 0; n < buffers->Count; n++)
ImGui_ImplVulkan_DestroyFrameRenderBuffers(device, &buffers->FrameRenderBuffers[n], allocator);
IM_FREE(buffers->FrameRenderBuffers);
buffers->FrameRenderBuffers = nullptr;
buffers->FrameRenderBuffers.clear();
buffers->Index = 0;
buffers->Count = 0;
}
@ -1460,10 +1459,8 @@ void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, V
ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator);
for (uint32_t i = 0; i < wd->SemaphoreCount; i++)
ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator);
IM_FREE(wd->Frames);
IM_FREE(wd->FrameSemaphores);
wd->Frames = nullptr;
wd->FrameSemaphores = nullptr;
wd->Frames.clear();
wd->FrameSemaphores.clear();
wd->ImageCount = 0;
if (wd->RenderPass)
vkDestroyRenderPass(device, wd->RenderPass, allocator);
@ -1518,12 +1515,11 @@ void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, V
err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->ImageCount, backbuffers);
check_vk_result(err);
IM_ASSERT(wd->Frames == nullptr && wd->FrameSemaphores == nullptr);
wd->SemaphoreCount = wd->ImageCount + 1;
wd->Frames = (ImGui_ImplVulkanH_Frame*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_Frame) * wd->ImageCount);
wd->FrameSemaphores = (ImGui_ImplVulkanH_FrameSemaphores*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameSemaphores) * wd->SemaphoreCount);
memset((void*)wd->Frames, 0, sizeof(wd->Frames[0]) * wd->ImageCount);
memset((void*)wd->FrameSemaphores, 0, sizeof(wd->FrameSemaphores[0]) * wd->SemaphoreCount);
wd->Frames.resize(wd->ImageCount);
wd->FrameSemaphores.resize(wd->SemaphoreCount);
memset(wd->Frames.Data, 0, wd->Frames.size_in_bytes());
memset(wd->FrameSemaphores.Data, 0, wd->FrameSemaphores.size_in_bytes());
for (uint32_t i = 0; i < wd->ImageCount; i++)
wd->Frames[i].Backbuffer = backbuffers[i];
}
@ -1633,10 +1629,8 @@ void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui
ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator);
for (uint32_t i = 0; i < wd->SemaphoreCount; i++)
ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator);
IM_FREE(wd->Frames);
IM_FREE(wd->FrameSemaphores);
wd->Frames = nullptr;
wd->FrameSemaphores = nullptr;
wd->Frames.clear();
wd->FrameSemaphores.clear();
vkDestroyPipeline(device, wd->Pipeline, allocator);
vkDestroyRenderPass(device, wd->RenderPass, allocator);
vkDestroySwapchainKHR(device, wd->Swapchain, allocator);

4
backends/imgui_impl_vulkan.h
View File

@ -207,8 +207,8 @@ struct ImGui_ImplVulkanH_Window
uint32_t ImageCount; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR, usually derived from min_image_count)
uint32_t SemaphoreCount; // Number of simultaneous in-flight frames + 1, to be able to use it in vkAcquireNextImageKHR
uint32_t SemaphoreIndex; // Current set of swapchain wait semaphores we're using (needs to be distinct from per frame data)
ImGui_ImplVulkanH_Frame* Frames;
ImGui_ImplVulkanH_FrameSemaphores* FrameSemaphores;
ImVector<ImGui_ImplVulkanH_Frame> Frames;
ImVector<ImGui_ImplVulkanH_FrameSemaphores> FrameSemaphores;
ImGui_ImplVulkanH_Window()
{