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-rw-r--r--main.cpp263
1 files changed, 0 insertions, 263 deletions
diff --git a/main.cpp b/main.cpp
deleted file mode 100644
index f281df8..0000000
--- a/main.cpp
+++ /dev/null
@@ -1,263 +0,0 @@
-#include <glad/glad.h>
-#include <GLFW/glfw3.h>
-
-#define STB_IMAGE_IMPLEMENTATION
-#include <stb_image.h>
-
-#include <shader.h>
-#include "Canvas/Canvas.h"
-#include "point.h"
-#include "Canvas/cuda/CalculateCanvasGPU.h"
-
-#include <iostream>
-#include <cmath>
-#include <vector>
-
-void framebuffer_size_callback(GLFWwindow* window, int width, int height);
-void processInput(GLFWwindow *window);
-
-void loadTexture(std::string path, unsigned int* texture, int* width, int* height);
-void generateCanvasTexture(unsigned int *texture, unsigned char color);
-void window_size_callback(GLFWwindow* window, int width, int height);
-
-// settings
-unsigned int SCR_WIDTH = 768;
-unsigned int SCR_HEIGHT = 768;
-const std::string PROJECT_PATH = "/home/saintruler/Documents/opengl_gravity/";
-unsigned char* canvas = (unsigned char*) malloc(SCR_HEIGHT * SCR_WIDTH * 3);
-
-std::vector<point> points;
-const double c = 1e5;
-cuda_point* gpuPoints = (cuda_point*) malloc(3 * sizeof(cuda_point));
-
-int main()
-{
- // glfw: initialize and configure
- // ------------------------------
- glfwInit();
- glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
- glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
- glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-
- // glfw window creation
- // --------------------
- GLFWwindow* window = glfwCreateWindow(SCR_WIDTH, SCR_HEIGHT, "LearnOpenGL", NULL, NULL);
- if (window == NULL)
- {
- std::cout << "Failed to create GLFW window" << std::endl;
- glfwTerminate();
- return -1;
- }
- glfwMakeContextCurrent(window);
- glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
-
- // glad: load all OpenGL function pointers
- // ---------------------------------------
- if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
- {
- std::cout << "Failed to initialize GLAD" << std::endl;
- return -1;
- }
-
- // build and compile our shader zprogram
- // ------------------------------------
- Shader ourShader((PROJECT_PATH + "4.1.texture.vs").c_str(), (PROJECT_PATH + "4.1.texture.fs").c_str());
-
- // set up vertex data (and buffer(s)) and configure vertex attributes
- // ------------------------------------------------------------------
-
- float vertices[] = {
- // positions // colors // texture coords
- 1.f, 1.f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, // top right
- 1.f, -1.f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, // bottom right
- -1.f, -1.f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, // bottom left
- -1.f, 1.f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f // top left
- };
- unsigned int indices[] = {
- 0, 1, 3, // first triangle
- 1, 2, 3 // second triangle
- };
- unsigned int VBO, VAO, EBO;
- glGenVertexArrays(1, &VAO);
- glGenBuffers(1, &VBO);
- glGenBuffers(1, &EBO);
-
- glBindVertexArray(VAO);
-
- glBindBuffer(GL_ARRAY_BUFFER, VBO);
- glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
-
- glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
- glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
-
- // position attribute
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0);
- glEnableVertexAttribArray(0);
- // color attribute
- glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(3 * sizeof(float)));
- glEnableVertexAttribArray(1);
- // texture coord attribute
- glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
- glEnableVertexAttribArray(2);
-
-
- // load and create a texture
- // -------------------------
- unsigned int texture;
- glGenTextures(1, &texture);
- unsigned char i = 0;
-
- points.emplace_back(point(100, 100));
- points.emplace_back(point(500, 500));
- points.emplace_back(point(200, 375));
-
- gpuPoints[0] = cuda_point{.x=100, .y=100};
- gpuPoints[1] = cuda_point{.x=500, .y=500};
- gpuPoints[2] = cuda_point{.x=200, .y=200};
-
-
- // render loop
- // -----------
- while (!glfwWindowShouldClose(window))
- {
- // input
- // -----
- processInput(window);
-
- // render
- // ------
- glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
- glClear(GL_COLOR_BUFFER_BIT);
-
- generateCanvasTexture(&texture, i++);
- // bind Texture
- glBindTexture(GL_TEXTURE_2D, texture);
-
- // render container
- ourShader.use();
- glBindVertexArray(VAO);
- glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
-
- // glfw: swap buffers and poll IO events (keys pressed/released, mouse moved etc.)
- // -------------------------------------------------------------------------------
- glfwSwapBuffers(window);
- glfwPollEvents();
- }
-
- // optional: de-allocate all resources once they've outlived their purpose:
- // ------------------------------------------------------------------------
- glDeleteVertexArrays(1, &VAO);
- glDeleteBuffers(1, &VBO);
- glDeleteBuffers(1, &EBO);
-
- // glfw: terminate, clearing all previously allocated GLFW resources.
- // ------------------------------------------------------------------
- glfwTerminate();
- return 0;
-}
-
-
-void loadTexture(std::string path, unsigned int* texture, int* width, int* height)
-{
- glGenTextures(1, texture);
- glBindTexture(GL_TEXTURE_2D, *texture); // all upcoming GL_TEXTURE_2D operations now have effect on this texture object
- // set the texture wrapping parameters
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); // set texture wrapping to GL_REPEAT (default wrapping method)
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- // set texture filtering parameters
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- // load image, create texture and generate mipmaps
- int nrChannels;
- unsigned char* data = stbi_load(path.c_str(), width, height, &nrChannels, 0);
-
- if (data)
- {
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, *width, *height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
- glGenerateMipmap(GL_TEXTURE_2D);
- }
- else
- {
- std::cout << "Failed to load texture" << std::endl;
- }
- stbi_image_free(data);
-}
-
-
-void generateCanvasTexture(unsigned int *texture, unsigned char color)
-{
- glBindTexture(GL_TEXTURE_2D, *texture); // all upcoming GL_TEXTURE_2D operations now have effect on this texture object
- // set the texture wrapping parameters
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); // set texture wrapping to GL_REPEAT (default wrapping method)
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- // set texture filtering parameters
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- // load image, create texture and generate mipmaps
-
-
-// for (int x = 0; x < SCR_WIDTH; x++)
-// {
-// for (int y = 0; y < SCR_HEIGHT; y++)
-// {
-//
-// point canvas_pt(x, y);
-// double f = 0;
-// for (point pt : points)
-// {
-// point path = pt - canvas_pt;
-//
-// f += (c * 20 * 1) / path.length_sqared();
-// }
-//
-// int l = (int) f;
-// if (l > 255) l = 255;
-//
-//
-// canvas[y * SCR_WIDTH * 3 + x * 3 + 0] = l;
-// canvas[y * SCR_WIDTH * 3 + x * 3 + 1] = 0;
-// canvas[y * SCR_WIDTH * 3 + x * 3 + 2] = 0;
-// }
-// }
-
- generate_canvas(SCR_WIDTH, SCR_HEIGHT, canvas, gpuPoints, 3);
-
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, SCR_WIDTH, SCR_HEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE, (unsigned char*) canvas);
- glGenerateMipmap(GL_TEXTURE_2D);
-}
-
-
-// process all input: query GLFW whether relevant keys are pressed/released this frame and react accordingly
-// ---------------------------------------------------------------------------------------------------------
-void processInput(GLFWwindow *window)
-{
- if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
- glfwSetWindowShouldClose(window, true);
-
- if (glfwGetKey(window, GLFW_KEY_LEFT) == GLFW_PRESS)
- points[0].x -= 20;
- if (glfwGetKey(window, GLFW_KEY_RIGHT) == GLFW_PRESS)
- points[0].x += 20;
-
- if (glfwGetKey(window, GLFW_KEY_DOWN) == GLFW_PRESS)
- points[0].y -= 20;
- if (glfwGetKey(window, GLFW_KEY_UP) == GLFW_PRESS)
- points[0].y += 20;
-
- double xpos, ypos;
- //getting cursor position
- glfwGetCursorPos(window, &xpos, &ypos);
-// points[0].x = xpos;
-// points[0].y = SCR_HEIGHT - ypos;
- gpuPoints[0].x = xpos;
- gpuPoints[0].y = SCR_HEIGHT - ypos;
-}
-
-// glfw: whenever the window size changed (by OS or user resize) this callback function executes
-// ---------------------------------------------------------------------------------------------
-void framebuffer_size_callback(GLFWwindow* window, int width, int height)
-{
- // make sure the viewport matches the new window dimensions; note that width and
- // height will be significantly larger than specified on retina displays.
- glViewport(0, 0, width, height);
-}
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