feat (wip): real-time gui with rendering in opengl

src/illumination/Raycaster.h

@@ -0,0 +1,33 @@
+#ifndef RAYCASTER_H
+#define RAYCASTER_H
+
+// #include "Camera.h"
+#include "cuda_runtime.h"
+#include "FrameBuffer.h"
+#include "linalg/linalg.h"
+
+// #include <thrust/device_ptr.h>
+
+__global__ void raycastKernel(float* volumeData, unsigned char* framebuffer);
+
+struct Raycaster {
+
+    // thrust::device_ptr<Camera*> d_camera;
+    // CameraInfo camera_info;
+
+    cudaGraphicsResource_t resources;
+    FrameBuffer* fb;
+
+    int w;
+    int h;
+
+    Raycaster() {};
+    Raycaster(cudaGraphicsResource_t resources, int nx, int ny);
+    // ~Raycaster();
+
+    void set_camera(Vec3 position, Vec3 forward, Vec3 up);
+    void render();
+    void resize(int nx, int ny);
+    // void raycastKernel(float* volumeData, unsigned char* framebuffer); // TODO: proper framebuffer class
+};
+#endif // RAYCASTER_H