Add ktx

ktx/tests/loadtests/common/LoadTestSample.h

@@ -0,0 +1,91 @@
+/* -*- tab-width: 4; -*- */
+/* vi: set sw=2 ts=4 expandtab: */
+
+/*
+ * Copyright 2017-2020 Mark Callow, <khronos at callow dot im>.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef _LOAD_TEST_SAMPLE_H
+#define _LOAD_TEST_SAMPLE_H
+
+#include <string>
+#include <SDL3/SDL.h>
+#define GLM_FORCE_RADIANS
+#include "disable_glm_warnings.h"
+#include <glm/glm.hpp>
+#include "reenable_warnings.h"
+
+#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
+
+class LoadTestSample {
+  public:
+    typedef uint64_t ticks_t;
+    LoadTestSample(uint32_t width, uint32_t height,
+                   const std::string sBasePath,
+                   int32_t yflip = 1)
+           : w_width(width), w_height(height), yflip(yflip),
+             sBasePath(sBasePath)
+    {
+    }
+
+    virtual ~LoadTestSample() { };
+    virtual int doEvent(SDL_Event* event);
+    virtual void resize(uint32_t width, uint32_t height) = 0;
+    virtual void run(uint32_t msTicks) = 0;
+
+    //virtual void getOverlayText(TextOverlay *textOverlay) { };
+
+    typedef LoadTestSample* (*PFN_create)(uint32_t width, uint32_t height,
+                                          const char* const szArgs,
+                                          const std::string sBasePath);
+
+  protected:
+    virtual void keyPressed(uint32_t /*keyCode*/) { }
+    virtual void viewChanged() { }
+    
+    const std::string getAssetPath() { return sBasePath; }
+
+    glm::vec3 rotation;
+    glm::vec3 cameraPos;
+    glm::vec2 mousePos;
+    glm::vec2 nvDifferenceStart; // Normalized difference between fingers at start of gesture.
+    float distanceStart = 0.0; // Distance between fingers at start of gesture.
+    float xAngleStart = 0.0;   // Angle between x-axis and nvDifferenceStart. Unused unless event logging is enabled.
+    glm::vec2 nvDifferenceLast; // Normalized difference between fingers at last motion event.
+    float distanceLast = 0.0;   // Distance between fingers at last motion event.
+    Uint64 firstFingerId = 0;
+    bool processingGesture = false;
+
+    struct {
+        bool left = false;
+        bool right = false;
+        bool middle = false;
+    } mouseButtons;
+    bool quit = false;
+    bool rotating = false;
+    bool zooming = false;
+    bool paused = false;
+
+    float zoom = 0;
+
+    uint32_t w_width;
+    uint32_t w_height;
+
+    // Defines a frame rate independent timer value clamped from -1.0...1.0
+    // For use in animations, rotations, etc.
+    float timer = 0.0f;
+    // Multiplier for speeding up (or slowing down) the global timer
+    float timerSpeed = 0.25f;
+
+    // Use to adjust mouse rotation speed
+    float rotationSpeed = 1.0f;
+    // Use to adjust mouse zoom speed
+    float zoomSpeed = 1.0f;
+    // multiplier to decide if Y increases down or up
+    int32_t yflip;
+
+    const std::string sBasePath;
+};
+
+#endif /* _LOAD_TEST_SAMPLE_H */