bbede61723
use "ARCH=arch_name make" restructured project folder, implementations and headers together under sources/
93 lines
2.3 KiB
C++
Executable File
93 lines
2.3 KiB
C++
Executable File
#pragma once
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#include <glm/gtc/matrix_transform.hpp>
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/*
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ON MOBILE, GLES 3.1 WOULD BE REQUIRED (compute shader support)
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*/
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#include <GL/glew.h>
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#include <string>
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#include <iostream>
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using namespace std;
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using namespace glm;
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enum SIM_PRECISION {
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FINE,
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REGULAR,
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ROUGH
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};
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class CRT_Shader {
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private:
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static bool CRT_FLIP_Y;
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string resourceRoot = "C:\\Users\\BoBoBoat\\Desktop\\SCUOLA\\CGI\\GL_STUFF\\GL_STUFF\\SOURCES\\EFFECTS\\CRT_SHADER\\";
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const float CRT_PIXEL_LENGTH = 2e-3; //value of 1 gets only red (bad bug)
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static const int CRT_PIXEL_SCALE = 1; //they work together
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const float CRT_DEPTH = 1e0;
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static int CRT_HORIZONTAL_PIXELS;
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static int CRT_VERTICAL_PIXELS;
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static int CRT_WIDTH;
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static int CRT_HEIGHT;
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static int PARTICLE_COUNT;
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static const int GROUP_COUNT = 1024;
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static int PARTICLE_GROUP_COUNT;
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static const unsigned int COLOR_CHANNELS = 4;
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static SIM_PRECISION resolution;
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mat4 orthoMat;
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vec3 CS_LTN, CS_RBN, CS_LTF, CS_RBF;
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GLuint dt_location;
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GLuint compute_prog;
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GLuint render_prog;
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GLuint render_vao;
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GLuint end_position_buffer, start_position_buffer, velocity_buffer, color_buffer, magnets_buffer;
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float magx;
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float magy;
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vec4 attractors[8];
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GLuint velocity_tbo, start_position_tbo, end_position_tbo, color_tbo;
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CRT_Shader();
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vec3 scaleToZOne(vec3 vector);
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vec3 crt_emission_angle(int index);
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void createRenderShader();
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void createComputeShader();
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void buffersSetup();
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void VAOsSetup();
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public:
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static void setup(int w, int h, bool flipY, SIM_PRECISION precision) {
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CRT_FLIP_Y = flipY;
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resolution = precision;
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CRT_WIDTH = w;
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CRT_HEIGHT = h;
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CRT_HORIZONTAL_PIXELS = w / CRT_PIXEL_SCALE;
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CRT_VERTICAL_PIXELS = h / CRT_PIXEL_SCALE;
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PARTICLE_COUNT = CRT_HORIZONTAL_PIXELS * CRT_VERTICAL_PIXELS;
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PARTICLE_GROUP_COUNT = (PARTICLE_COUNT / GROUP_COUNT) + ((PARTICLE_COUNT % GROUP_COUNT) ? 1 : 0);
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cout << "HPIX " << CRT_HORIZONTAL_PIXELS << "\n";
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cout << "VPIX " << CRT_VERTICAL_PIXELS << "\n";
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}
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static CRT_Shader& get() {
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static CRT_Shader instance;
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return instance;
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}
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void draw(unsigned int ONE_TICK_MS, unsigned int timePassed);
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void setMagnet(int index, vec4 positionAndMass);
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float getLeftBound();
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float getRightBound();
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float getBottomBound();
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float getTopBound();
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/*Copies H_PIXELS * V_PIXELS from FrameBuffer to internal VAO */
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void loadColorFromFramebuffer(GLuint FBO);
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};
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