From 8affda125e247ce1797bef1ed1ffa6c0ca1580df Mon Sep 17 00:00:00 2001
From: Jasper <j.blanckenburg@fasttube.de>
Date: Sun, 22 May 2022 22:25:20 +0200
Subject: [PATCH] Log FPS

---
 .clang-format   |  5 ++++-
 CMakeLists.txt  | 15 +++++++++++++--
 src/App.cpp     | 15 +++++++++++++++
 src/widgets.cpp |  1 +
 4 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/.clang-format b/.clang-format
index eb1167f..5e6b0f7 100644
--- a/.clang-format
+++ b/.clang-format
@@ -68,7 +68,10 @@ ForEachMacros:
   - BOOST_FOREACH
 IncludeBlocks: Regroup
 IncludeCategories:
-  - Regex: '^[<"](fmt|SDL2)/'
+  - Regex: '^[<"]SDL2/'
+    Priority: 2
+    SortPriority: 0
+  - Regex: '^[<"](fmt|spdlog)/'
     Priority: 3
     SortPriority: 0
   - Regex: "^<"
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ee311f..2c9ebe1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,17 @@ endif()
 if (NOT DEFINED fmt_INCLUDE_DIR)
     set(fmt_INCLUDE_DIR ${fmt_SOURCE_DIR}/${FMT_INC_DIR})
 endif()
-set(BUILD_SHARED_LIBS ${lhotse_orig_BUILD_SHARED_LIBS})
+set(BUILD_SHARED_LIBS ${stw_display_orig_BUILD_SHARED_LIBS})
+
+# spdlog
+set(CMAKE_POSITION_INDEPENDENT_CODE true)
+set(SPDLOG_FMT_EXTERNAL_HO true)
+FetchContent_Declare(
+    spdlog
+    GIT_REPOSITORY https://github.com/gabime/spdlog.git
+    GIT_TAG v1.9.2
+)
+FetchContent_MakeAvailable(spdlog)
 
 # }}}
 
@@ -57,5 +67,6 @@ target_link_libraries(
     ${SDL2_LIBRARIES}
     ${SDL2TTF_LIBRARY}
     ${SDL2IMAGE_LIBRARY}
-    fmt)
+    fmt
+    spdlog::spdlog)
 add_dependencies(stw-display fmt)
\ No newline at end of file
diff --git a/src/App.cpp b/src/App.cpp
index e9d16ab..82e12d6 100644
--- a/src/App.cpp
+++ b/src/App.cpp
@@ -7,7 +7,11 @@
 #include <SDL2/SDL_events.h>
 #include <SDL2/SDL_image.h>
 #include <SDL2/SDL_keycode.h>
+#include <SDL2/SDL_render.h>
+#include <SDL2/SDL_timer.h>
+
 #include <fmt/format.h>
+#include <spdlog/spdlog.h>
 
 #include <queue>
 #include <stdexcept>
@@ -42,9 +46,20 @@ int App::run() {
 
   running = true;
 
+  uint32_t second_start = SDL_GetTicks();
+  unsigned frames = 0;
   while (running) {
+    uint32_t now = SDL_GetTicks();
+    if (now - second_start > 5000) {
+      spdlog::info("{} FPS", frames / 5);
+      second_start = now;
+      frames = 0;
+    }
+
     handle_events();
     render();
+
+    frames++;
     SDL_Delay(1);
   }
 
diff --git a/src/widgets.cpp b/src/widgets.cpp
index 04eb529..5cb5bd6 100644
--- a/src/widgets.cpp
+++ b/src/widgets.cpp
@@ -5,6 +5,7 @@
 
 #include <SDL2/SDL.h>
 #include <SDL2/SDL_image.h>
+
 #include <fmt/format.h>
 
 #include <cstdint>