INNER CODE UNIT · C++

fb_width

tippesi/Atlas-Engine · libs/ImguiExtension/ImguiVulkan.cpp:439

    int fb_width = (int)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x);
    int fb_height = (int)(draw_data->DisplaySize.y * draw_data->FramebufferScale.y);
    if (fb_width <= 0 || fb_height <= 0)
        return;

    ImGui_ImplVulkan_Data* bd = ImGui_ImplVulkan_GetBackendData();
    ImGui_ImplVulkan_InitInfo* v = &bd->VulkanInitInfo;
    if (pipeline == VK_NULL_HANDLE)
        pipeline = bd->Pipeline;

    // Allocate array to store enough vertex/index buffers
    ImGui_ImplVulkanH_WindowRenderBuffers* wrb = &bd->MainWindowRenderBuffers;
    if (wrb->FrameRenderBuffers == nullptr)
    {
        wrb->Index = 0;
        wrb->Count = v->ImageCount;
        wrb->FrameRenderBuffers = (ImGui_ImplVulkanH_FrameRenderBuffers*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count);
        memset(wrb->FrameRenderBuffers, 0, sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count);

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