bgfx/examples/00-helloworld/helloworld.cpp

/*
 * Copyright 2011-2012 Branimir Karadzic. All rights reserved.
 * License: http://www.opensource.org/licenses/BSD-2-Clause
 */

#include <bgfx.h>
#include <bx/bx.h>
#include "../common/dbg.h"

void fatalCb(bgfx::Fatal::Enum _code, const char* _str)
{
	DBG("%x: %s", _code, _str);
}

int _main_(int _argc, char** _argv)
{
	bgfx::init(fatalCb);
	bgfx::reset(1280, 720);

	// Enable debug text.
	bgfx::setDebug(BGFX_DEBUG_TEXT);

	// Set view 0 default viewport.
	bgfx::setViewRect(0, 0, 0, 1280, 720);

	// Set view 0 clear state.
	bgfx::setViewClear(0
		, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
		, 0x303030ff
		, 1.0f
		, 0
		);

	while (true)
	{
		// This dummy draw call is here to make sure that view 0 is cleared
		// if no other draw calls are submitted to view 0.
		bgfx::submit(0);

		// Use debug font to print information about this example.
		bgfx::dbgTextClear();
		bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/00-helloworld");
		bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Initialization and debug text.");

		// Advance to next frame. Rendering thread will be kicked to 
		// process submitted rendering primitives.
		bgfx::frame();

		extern void emscripten_yield();
		emscripten_yield();
	}

	// Shutdown bgfx.
	bgfx::shutdown();

	return 0;
}