Strange attractors with OpenCL
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#pragma once
#include "fbo.hpp"
#include "quaternion.hpp"
#include <moggle/core/gl.hpp>
#include <moggle/core/shader.hpp>
#include <moggle/core/vao.hpp>
#include <moggle/core/vbo.hpp>
#include <cl2.hpp>
#include <NSGLWrapper.hpp>
#include <initializer_list>
// Used for the bare points
using GLPoint = moggle::hvector4<GLfloat>;
// Used for rendering a textured quad
struct Vertex {
moggle::vector2<GLfloat> pos;
moggle::vector2<GLfloat> tex;
};
struct Parameters{
Parameters(cl::Context& cl_context, std::initializer_list<float> x);
void resize(size_t n);
size_t size() const;
auto begin() { return parameters.begin(); }
auto end() { return parameters.end(); }
auto begin() const { return parameters.begin(); }
auto end() const { return parameters.end(); }
float & operator[](size_t n);
float operator[](size_t n) const;
cl::Buffer const & get_cl() const;
private:
cl::Context& cl_context;
std::vector<float> parameters;
cl::Buffer cl_parameter_buffer;
};
struct App {
size_t W = 128;
size_t H = 128;
size_t N = 1 << 19;
float time = 0;
float maxf = 10;
float gamma = 2;
bool clear = false;
using quaternion = boost::math::quaternion<float>;
quaternion rotation = quaternion(1, 0, 0, 0);
App(GLContext & gl_context);
void draw(std::function<void(void)> bind, std::function<void(void)> flush);
void resize(size_t w, size_t h);
private:
moggle::vbo<GLPoint> gl_vbo;
moggle::vao gl_vao;
moggle::vbo<Vertex> gl_quad_vbo;
moggle::vao gl_quad_vao;
moggle::shader_program gl_points_program;
moggle::shader_program gl_texture_program;
moggle::fbo gl_fbo;
cl::Context cl_context;
cl::Device cl_device;
cl::CommandQueue cl_queue;
cl::BufferGL cl_buffer;
cl::Program cl_program;
KernelOp k_update;
cl::Program create_cl_program(std::string file);
public:
Parameters parameters;
};