Add ktx

2026-06-14 19:09:18 +01:00
parent 14bd1a9271
commit 13fa90a0e9
3958 changed files with 999286 additions and 4 deletions
@@ -0,0 +1,85 @@
+/* -*- tab-width: 4; -*- */
+/* vi: set sw=2 ts=4 expandtab: */
+
+#ifndef APP_BASE_SDL_H_1456211087
+#define APP_BASE_SDL_H_1456211087
+
+/* $Id: f63e0a9e6eed51ed84a8eea1eff0708c8a6af22b $ */
+
+/*
+ * Copyright 2015-2020 Mark Callow.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @internal
+ * @file
+ * @~English
+ *
+ * @brief Declarations for App framework using SDL.
+ */
+
+#include <SDL3/SDL.h>
+#include <string>
+#include <vector>
+
+class AppBaseSDL {
+  public:
+    typedef Uint64 ticks_t;
+    typedef std::vector<std::string> Args;
+    AppBaseSDL(const char* const name) : szName(name), appTitle(name) { }
+    virtual bool initialize(Args& args);
+    virtual void finalize();
+    // Ticks in milliseconds since start.
+    virtual void drawFrame(uint32_t) { }
+    // When used with SDL_SetEventWatch, return value is ignored. When used
+    // with SDL_SetEventFilter, 1 causes event to be added to SDL's internal
+    // event queue, 0 causes it to be dropped.
+    virtual bool doEvent(SDL_Event* event);
+    virtual void onFPSUpdate();
+    virtual SDL_Window* getMainWindow() { return pswMainWindow; }
+    
+    void drawFrame();
+    void initializeFPSTimer();
+    const char* name() { return szName; }
+    const std::string getAssetPath() { return sBasePath; }
+
+    // Sets title to be used on window title bar. Content of szExtra ia
+    // appended to the app name.
+    virtual void setAppTitle(const char* const szExtra);
+
+    static bool onEvent(void* userdata, SDL_Event* event) {
+        return ((AppBaseSDL *)userdata)->doEvent(event);
+    }
+    
+    static void onDrawFrame(void* userdata) {
+        ((AppBaseSDL *)userdata)->drawFrame();
+    }
+
+  protected:
+    // Sets text on window title bar. Fps value is preprended to appTitle.
+    virtual void setWindowTitle();
+
+    ticks_t startTicks;
+    float lastFrameTime;  // ms
+    struct fpsCounter {
+        ticks_t startTicks;
+        int numFrames;
+        float lastFPS;
+    } fpsCounter;
+    
+    SDL_Window* pswMainWindow;
+    
+    const char* const szName;
+    std::string appTitle;
+    std::string sBasePath;
+
+};
+
+extern class AppBaseSDL* theApp;
+
+#endif /* APP_BASE_SDL_H_1456211087 */
+
+
+
+