UltimateZoneBuilder/Source/Native/OpenGL/GLIndexBuffer.cpp

/*
**  BuilderNative Renderer
**  Copyright (c) 2019 Magnus Norddahl
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
*/

#include "Precomp.h"
#include "GLIndexBuffer.h"
#include "GLRenderDevice.h"

GLIndexBuffer::~GLIndexBuffer()
{
	Finalize();
}

void GLIndexBuffer::Finalize()
{
	if (Device)
	{
		Device->mIndexBuffers.erase(ItBuffer);
		Device = nullptr;

		if (mBuffer != 0)
			glDeleteBuffers(1, &mBuffer);
		mBuffer = 0;
	}
}

GLuint GLIndexBuffer::GetBuffer()
{
	if (mBuffer == 0)
		glGenBuffers(1, &mBuffer);
	return mBuffer;
}