// Copyright (c) 2012- PPSSPP Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.

#pragma once

#include "Globals.h"

struct VertexShaderID
{
	VertexShaderID() {d[0] = 0xFFFFFFFF;}
	void clear() {d[0] = 0xFFFFFFFF;}
	u32 d[2];
	bool operator < (const VertexShaderID &other) const
	{
		for (size_t i = 0; i < sizeof(d) / sizeof(u32); i++)
		{
			if (d[i] < other.d[i])
				return true;
			if (d[i] > other.d[i])
				return false;
		}
		return false;
	}
	bool operator == (const VertexShaderID &other) const
	{
		for (size_t i = 0; i < sizeof(d) / sizeof(u32); i++)
		{
			if (d[i] != other.d[i])
				return false;
		}
		return true;
	}
};

void ComputeVertexShaderID(VertexShaderID *id);

// The return value is only valid until the function is called again.
char *GenerateVertexShader();