From 44f5ac32a68a617f93704d44c4339f7db13b323e Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sat, 15 Dec 2018 23:09:32 +0100
Subject: Hacky D2Q9 BGK LBM on GPU using GLSL compute shaders

Improvised on top of computicles's scaffolding.

Works in a world where _works_ is defined as "displays stuff on screen that invokes thoughts of fluid movement".
---
 src/glfw/window.h | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/glfw/window.h

(limited to 'src/glfw/window.h')

diff --git a/src/glfw/window.h b/src/glfw/window.h
new file mode 100644
index 0000000..92a1b56
--- /dev/null
+++ b/src/glfw/window.h
@@ -0,0 +1,58 @@
+#pragma once
+
+#include <string>
+
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+
+#include "key_watcher.h"
+
+class Window {
+private:
+	bool _good   = false;
+	int  _width  = 800;
+	int  _height = 600;
+
+	GLFWwindow* const _handle;
+
+public:
+	Window(const std::string& title);
+	~Window();
+
+	bool isGood() const;
+
+	int getWidth() const;
+	int getHeight() const;
+
+	KeyWatcher getKeyWatcher(int key);
+
+	template <class F>
+	void init(F f);
+
+	template <class F>
+	void render(F loop);
+};
+
+template <class F>
+void Window::init(F f) {
+	glfwMakeContextCurrent(_handle);
+	f();
+	glfwMakeContextCurrent(nullptr);
+}
+
+template <class F>
+void Window::render(F loop) {
+	glfwMakeContextCurrent(_handle);
+
+	while ( glfwGetKey(_handle, GLFW_KEY_ESCAPE) != GLFW_PRESS &&
+	        glfwWindowShouldClose(_handle)       == 0 ) {
+		glfwGetWindowSize(_handle, &_width, &_height);
+
+		loop();
+
+		glfwSwapBuffers(_handle);
+		glfwPollEvents();
+	}
+
+	glfwMakeContextCurrent(nullptr);
+}
-- 
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