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106 lines
2.5 KiB
106 lines
2.5 KiB
#pragma once
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#include <RayCaster.h>
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#include <vector>
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#include <iostream>
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#include "util.hpp"
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#include <map>
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#include <string.h>
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#ifdef linux
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#include <CL/cl.h>
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#include <CL/opencl.h>
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#include <GL/glx.h>
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#elif defined _WIN32
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#include <CL/cl_gl.h>
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#include <CL/cl.h>
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#include <CL/opencl.h>
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// Note: windows.h must be included before Gl/GL.h
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#include <windows.h>
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#include <GL/GL.h>
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#elif defined TARGET_OS_MAC
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# include <OpenGL/OpenGL.h>
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# include <OpenCL/opencl.h>
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#endif
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struct device {
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cl_device_id id;
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cl_device_type type;
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cl_uint clock_frequency;
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char version[128];
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cl_platform_id platform;
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cl_uint comp_units;
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};
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class Hardware_Caster : public RayCaster
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{
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public:
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Hardware_Caster();
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virtual ~Hardware_Caster();
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int init() override;
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// In interop mode, this will create a GL texture that we share
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// Otherwise, it will create the pixel buffer and pass that in as an image, retrieving it each draw
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// Both will create the view matrix, view res buffer
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void create_viewport(int width, int height, float v_fov, float h_fov) override;
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void assign_lights(std::vector<Light> lights) override;
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void assign_map(Old_Map *map) override;
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void assign_camera(Camera *camera) override;
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void validate() override;
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// draw will abstract the gl sharing and software rendering
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// methods of retrieving the screen buffer
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void compute() override;
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void draw(sf::RenderWindow* window) override;
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private:
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int acquire_platform_and_device();
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int create_shared_context();
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int create_command_queue();
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int check_cl_khr_gl_sharing();
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int create_image_buffer(std::string buffer_name, cl_uint size, void* data);
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int create_buffer(std::string buffer_name, cl_uint size, void* data);
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int create_buffer(std::string buffer_name, cl_uint size, void* data, cl_mem_flags flags);
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int store_buffer(cl_mem, std::string buffer_name);
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int release_buffer(std::string buffer_name);
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int compile_kernel(std::string kernel_source, bool is_path, std::string kernel_name);
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int set_kernel_arg(std::string kernel_name, int index, std::string buffer_name);
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int run_kernel(std::string kernel_name, const int work_size);
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void print_kernel_arguments();
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bool assert(int error_code, std::string function_name);
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cl_device_id getDeviceID();
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cl_platform_id getPlatformID();
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cl_context getContext();
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cl_kernel getKernel(std::string kernel_name);
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cl_command_queue getCommandQueue();
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cl_platform_id platform_id;
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cl_device_id device_id;
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cl_context context;
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cl_command_queue command_queue;
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std::map<std::string, cl_kernel> kernel_map;
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std::map<std::string, cl_mem> buffer_map;
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};
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