From 25e2427d131794ee9c191317cb47ffd88541db82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20M=C3=BCller?= <tmueller@nvidia.com>
Date: Mon, 30 Jan 2023 14:19:47 +0100
Subject: [PATCH] Always load imgui.ini from the instant-ngp root directory
---
src/testbed.cu | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/src/testbed.cu b/src/testbed.cu
index 9cd0282..99b80c4 100644
--- a/src/testbed.cu
+++ b/src/testbed.cu
@@ -2914,7 +2914,6 @@ void Testbed::init_window(int resw, int resh, bool hidden, bool second_window) {
tlog::success() << "Initialized OpenGL version " << glGetString(GL_VERSION);
-
glfwSetWindowUserPointer(m_glfw_window, this);
glfwSetDropCallback(m_glfw_window, [](GLFWwindow* window, int count, const char** paths) {
Testbed* testbed = (Testbed*)glfwGetWindowUserPointer(window);
@@ -2977,8 +2976,18 @@ void Testbed::init_window(int resw, int resh, bool hidden, bool second_window) {
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
- //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
- io.ConfigInputTrickleEventQueue = false; // new ImGui event handling seems to make camera controls laggy if this is true.
+
+ // By default, imgui places its configuration (state of the GUI -- size of windows,
+ // which regions are expanded, etc.) in ./imgui.ini relative to the working directory.
+ // Instead, we would like to place imgui.ini in the directory that instant-ngp project
+ // resides in.
+ static std::string ini_filename;
+ ini_filename = (get_root_dir()/"imgui.ini").str();
+ io.IniFilename = ini_filename.c_str();
+
+ // New ImGui event handling seems to make camera controls laggy if input trickling is true.
+ // So disable input trickling.
+ io.ConfigInputTrickleEventQueue = false;
ImGui::StyleColorsDark();
ImGui_ImplGlfw_InitForOpenGL(m_glfw_window, true);
ImGui_ImplOpenGL3_Init("#version 140");
--
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