bgfx mega example

gistfile1.txt

in examples like hdr.cpp:

#ifndef SKIP_ENTRY_IMPLEMENT_MAIN
ENTRY_IMPLEMENT_MAIN(ExampleHDR);
#endif

----------------------------------------------------------------------
in mega.cpp:

/*
 * Copyright 2011-2017 Branimir Karadzic. All rights reserved.
 * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
 */

#include <bx/uint32_t.h>
#include "common.h"
#include "bgfx_utils.h"
#include <imgui/imgui.h>

#define SKIP_ENTRY_IMPLEMENT_MAIN
#include "../09-hdr/hdr.cpp"
#include "../33-pom/pom.cpp"
#undef SKIP_ENTRY_IMPLEMENT_MAIN

#define EXAMPLE_ENTRY_IMPLEMENT_MAIN(_app)	\
if ( ImGui::Button(#_app) )	\
{\
	shutdown();	\
	_app app;	\
	entry::runApp(&app, 0, NULL);	\
}

class ExampleMega : public entry::AppI
{
	void init(int _argc, char** _argv) BX_OVERRIDE
	{
		Args args(_argc, _argv);

		m_width  = 1280;
		m_height = 720;
		m_debug  = BGFX_DEBUG_TEXT;
		m_reset  = BGFX_RESET_VSYNC;

		bgfx::init(args.m_type, args.m_pciId);
		bgfx::reset(m_width, m_height, m_reset);

		imguiCreate();

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

		// Set view 0 clear state.
		bgfx::setViewClear(0
				, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
				, 0x303030ff
				, 1.0f
				, 0
				);
	}

	virtual int shutdown() BX_OVERRIDE
	{
		imguiDestroy();

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

		return 0;
	}

	bool update() BX_OVERRIDE
	{
		if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) )
		{
			// Set view 0 default viewport.
			bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );

			// 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::touch(0);

			// Use debug font to print information about this example.
			bgfx::dbgTextClear();
			bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/99-mega");
			bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Example starter screen");

			imguiBeginFrame(
				   m_mouseState.m_mx
				,  m_mouseState.m_my
				, (m_mouseState.m_buttons[entry::MouseButton::Left  ] ? IMGUI_MBUT_LEFT   : 0)
				| (m_mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT  : 0)
				| (m_mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
				,  m_mouseState.m_mz
				, uint16_t(m_width)
				, uint16_t(m_height)
				);

			ImGui::Begin("Examples");
			ImGui::SetWindowPos(ImVec2(20.0f, 100.0f));

			EXAMPLE_ENTRY_IMPLEMENT_MAIN(ExamplePom);
			EXAMPLE_ENTRY_IMPLEMENT_MAIN(ExampleHDR);

			ImGui::End();

			imguiEndFrame();


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

			return true;
		}

		return false;
	}

	entry::MouseState m_mouseState;

	uint32_t m_width;
	uint32_t m_height;
	uint32_t m_debug;
	uint32_t m_reset;
};

ENTRY_IMPLEMENT_MAIN(ExampleMega);

-----------------------------------------------------------
error:
 's_cubeVertices' : redefinition; different subscripts