Gl_ansio Jun 2026

/// Starts loading a texture asynchronously. AsyncResource<GLuint> loadTextureAsync(const TextureDesc& desc, GLFWwindow* glWindow);

~GLContext() // Do NOT destroy the window here – caller owns it. // Just detach the context from the thread. glfwMakeContextCurrent(nullptr);

// Queue the upload on the main thread. The simplest way is to push a // std::function into a thread‑safe queue that the render loop polls. // For the sake of a compact example we use a static global queue. struct Queue static std::mutex mtx; static std::vector<std::function<void()>> jobs; static void push(std::function<void()> fn) std::lock_guard<std::mutex> lk(mtx); jobs.emplace_back(std::move(fn)); gl_ansio

// Example: asynchronous vertex buffer upload struct BufferDesc { std::vector<float> data; GLenum target = GL_ARRAY_BUFFER; GLenum usage = GL_STATIC_DRAW

AsyncResource<GLuint> loadTextureAsync(const TextureDesc& desc, GLFWwindow* glWindow) // ----------------------------------------------------------------------- // 1️⃣ Worker thread: read the file, decode the image, keep raw pixels. // ----------------------------------------------------------------------- auto worker = [desc]() -> GLuint int w, h, nChannels; stbi_uc* data = stbi_load(desc.path.c_str(), &w, &h, &nChannels, 0); if (!data) std::cerr << "[gl_ansio] Failed to load image: " << desc.path << "\n"; return 0; // 0 is an invalid texture handle – caller can treat as error. /// Starts loading a texture asynchronously

/// ------------------------------------------------------------- /// 3️⃣ Texture‑specific async loader /// ------------------------------------------------------------- struct TextureDesc std::string path; GLint internalFormat = GL_RGBA8; // Desired internal format GLenum format = GL_RGBA; // Source format (set by loader) GLenum type = GL_UNSIGNED_BYTE; bool generateMipmap = true; ;

glfwDestroyWindow(win); glfwTerminate(); struct Queue static std::mutex mtx

namespace glAnsio