djairoh/cuda-based-raytrace
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added shader

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Djairo Hougee
2025-01-05 22:48:09 +01:00
parent 126ef4ace8
commit edf4d9fd60
17 changed files with 257 additions and 153 deletions
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27
src/gui/MainWindow.cpp
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@@ -3,9 +3,11 @@
#include <iostream>
#include <memory>
#include "Shader.h"
Window::Window(unsigned int w, unsigned int h) {
Window::w = w;
Window::h = h;
this->w = w;
this->h = h;
}
void framebuffer_size_callback(GLFWwindow* window, int w, int h) {
@@ -16,7 +18,7 @@ void framebuffer_size_callback(GLFWwindow* window, int w, int h) {
}
int Window::init() {
int Window::init(float* data) {
// init glfw
glfwInit();
// requesting context version 1.0 makes glfw try to provide the latest version if possible
@@ -25,7 +27,7 @@ int Window::init() {
this->window = glfwCreateWindow(this->w, this->h, "CUDA ray tracing", NULL, NULL);
//hide cursor
//hide cursor // TODO: switch from this style input to something more resembling an actual gui
glfwSetInputMode(this->window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
glfwSetWindowUserPointer(this->window, reinterpret_cast<void*>(this));
@@ -37,20 +39,17 @@ int Window::init() {
glfwMakeContextCurrent(this->window);
// init glad(opengl)
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
std::cout << "Failed to initialize GLAD\n";
return -1;
}
// init framebuffer
glViewport(0, 0, this->w, this->h);
if (glfwSetFramebufferSizeCallback(this->window, framebuffer_size_callback) != 0) return -1;
if (init_quad()) return -1;
if (init_quad(data)) return -1;
this->last_frame = std::chrono::steady_clock::now();
while (!glfwWindowShouldClose(window)) {
@@ -62,11 +61,14 @@ int Window::init() {
}
int Window::init_quad() {
int Window::init_quad(float* data) {
this->current_quad = std::make_unique<Quad>(this->w, this->h);
this->current_quad->cuda_init();
this->current_quad->cuda_init(data);
this->current_quad->make_fbo();
this->shader = std::make_unique<Shader>("./shaders/vertshader.glsl", "./shaders/fragshader.glsl");
this->shader->use();
// TODO: default shaders
return 0;
}
@@ -107,6 +109,7 @@ void Window::tick() {
// render frame
glBindFramebuffer(GL_FRAMEBUFFER, this->current_quad->fb);
this->current_quad->render();
this->shader->use();
glBindVertexArray(this->current_quad->VAO);
glBindTexture(GL_TEXTURE_2D, this->current_quad->tex);
glDrawArrays(GL_TRIANGLES, 0, 6); // draw current frame to texture
@@ -115,6 +118,8 @@ void Window::tick() {
// + swap buffers; TODO: check if necessary?
glfwSwapBuffers(this->window);
glfwPollEvents();
std::cout << "done ticking";
}