lenn/3dviewer
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lenn
2026-02-02 17:49:48 +08:00
parent f200743fc3
commit 1dd41256ff
1 changed files with 20 additions and 14 deletions
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34
main.cpp
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@@ -3,19 +3,12 @@
#include <GL/gl.h> #include <GL/gl.h>
#include <GL/glext.h> #include <GL/glext.h>
#include <GLFW/glfw3.h> #include <GLFW/glfw3.h>
#include <functional>
#include <glm/fwd.hpp> #include <glm/fwd.hpp>
#include <iostream> #include <iostream>
#include <memory> #include <memory>
#include <utility> #include <utility>
void framebuffer_size_callback(GLFWwindow* window, int width, int height) {
glViewport(0, 0, width, height);
}
void process_input(GLFWwindow* window) {
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
glfwSetWindowShouldClose(window, true);
}
}
class GLWidget { class GLWidget {
@@ -24,7 +17,8 @@ public:
int width; int width;
int height; int height;
}; };
GLWidget(ViewPort port) : viewport_(port) { GLWidget(ViewPort port) : viewport_(port),
window_(nullptr, [](GLFWwindow* w){if(w) glfwDestroyWindow(w);}) {
lastX_ = port.width / 2; lastX_ = port.width / 2;
lastY_ = port.height / 2; lastY_ = port.height / 2;
} }
@@ -36,20 +30,21 @@ public:
} }
bool initGeometry() { bool initGeometry() {
window = std::make_unique(glfwCreateWindow(800, 600, "LearnOpenGL", NULL, NULL)); // window_ = std::make_unique<GLFWwindow*>(glfwCreateWindow(800, 600, "LearnOpenGL", NULL, NULL));
if (window == NULL) { window_.reset(glfwCreateWindow(800, 600, "3dviewer", nullptr, nullptr));
if (!window_) {
std::cout << "Failed to create GLFW window" << std::endl; std::cout << "Failed to create GLFW window" << std::endl;
glfwTerminate(); glfwTerminate();
return -1; return -1;
} }
glfwMakeContextCurrent(window); glfwMakeContextCurrent(window_.get());
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) { if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
std::cout << "Failed to initialize GLAD" << std::endl; std::cout << "Failed to initialize GLAD" << std::endl;
return -1; return -1;
} }
glViewport(0, 0, 800, 600); glViewport(0, 0, 800, 600);
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback); glfwSetFramebufferSizeCallback(window_.get(), &GLWidget::framebuffer_size_callback);
} }
public: public:
bool initBgProgram(const std::string& vpath, const std::string fpath) { bool initBgProgram(const std::string& vpath, const std::string fpath) {
@@ -109,9 +104,20 @@ public:
} }
} }
private:
void framebuffer_size_callback(GLFWwindow* window, int width, int height) {
glViewport(0, 0, viewport_.width, viewport_.height);
}
void process_input(GLFWwindow* window) {
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
glfwSetWindowShouldClose(window, true);
}
}
private: private:
std::unique_ptr<LOpenGLProgram> bgProg_; std::unique_ptr<LOpenGLProgram> bgProg_;
std::unique_ptr<GLFWwindow> window_; std::unique_ptr<GLFWwindow, std::function<void(GLFWwindow*)>> window_;
unsigned int bgVao_; unsigned int bgVao_;
unsigned int bgVbo_; unsigned int bgVbo_;
ViewPort viewport_{800, 600}; ViewPort viewport_{800, 600};