From c36d05d5aed2f8f7c6342b174692146e2d11c386 Mon Sep 17 00:00:00 2001
From: Matthew Kosarek <mattkae@protonmail.com>
Date: Mon, 22 Mar 2021 20:54:51 -0400
Subject: Refactored frontend, beginnings of general cpp layer, and beginning
 roadmap

---
 frontend/shared_cpp/WebglContext.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 frontend/shared_cpp/WebglContext.h

(limited to 'frontend/shared_cpp/WebglContext.h')

diff --git a/frontend/shared_cpp/WebglContext.h b/frontend/shared_cpp/WebglContext.h
new file mode 100644
index 0000000..cf9cce2
--- /dev/null
+++ b/frontend/shared_cpp/WebglContext.h
@@ -0,0 +1,31 @@
+#pragma once
+#include <emscripten.h>
+#include <emscripten/html5.h>
+#include <GLES2/gl2.h>
+#include <EGL/egl.h>
+
+struct WebglContext {
+	void init(const char* query, int width = 640, int height = 480) {
+		emscripten_set_canvas_element_size( query, width, height);
+		
+		EmscriptenWebGLContextAttributes attrs;
+		emscripten_webgl_init_context_attributes(&attrs);
+
+		attrs.enableExtensionsByDefault = 1;
+		attrs.majorVersion = 3;
+		attrs.minorVersion = 0;
+
+		context = emscripten_webgl_create_context( "#wasm_canvas", &attrs );
+		makeCurrentContext();
+	};
+	
+	void makeCurrentContext() {
+		emscripten_webgl_make_context_current(context);
+	};
+	
+	void destroy() {
+		emscripten_webgl_destroy_context(context);
+	}
+
+	EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context;
+};
-- 
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