/*-------------------------------------------------------------------------
 * drawElements Quality Program Tester Core
 * ----------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief EGL unique resources
 *//*--------------------------------------------------------------------*/

#include "egluUnique.hpp"
#include "eglwLibrary.hpp"
#include "eglwEnums.hpp"

namespace eglu
{

using namespace eglw;

UniqueDisplay::UniqueDisplay (const Library& egl, EGLDisplay display)
	: m_egl		(egl)
	, m_display	(display)
{
}

UniqueDisplay::~UniqueDisplay (void)
{
	if (m_display != EGL_NO_DISPLAY)
		m_egl.terminate(m_display);
}

UniqueDisplay::operator bool (void) const
{
	return m_display != EGL_NO_DISPLAY;
}

UniqueSurface::UniqueSurface (const Library& egl, EGLDisplay display, EGLSurface surface)
	: m_egl		(egl)
	, m_display	(display)
	, m_surface	(surface)
{
}

UniqueSurface::~UniqueSurface (void)
{
	if (m_surface != EGL_NO_SURFACE)
		m_egl.destroySurface(m_display, m_surface);
}

UniqueSurface::operator bool (void) const
{
	return m_surface != EGL_NO_SURFACE;
}

UniqueContext::UniqueContext (const Library& egl, EGLDisplay display, EGLContext context)
	: m_egl		(egl)
	, m_display	(display)
	, m_context	(context)
{
}

UniqueContext::~UniqueContext (void)
{
	if (m_context != EGL_NO_CONTEXT)
		m_egl.destroyContext(m_display, m_context);
}

UniqueContext::operator bool (void) const
{
	return m_context != EGL_NO_CONTEXT;
}

ScopedCurrentContext::ScopedCurrentContext (const Library& egl, EGLDisplay display, EGLSurface draw, EGLSurface read, EGLContext context)
	: m_egl		(egl)
	, m_display (display)
{
	EGLU_CHECK_CALL(m_egl, makeCurrent(display, draw, read, context));
}

ScopedCurrentContext::~ScopedCurrentContext (void)
{
	m_egl.makeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}

UniqueImage::UniqueImage (const Library& egl, EGLDisplay display, EGLImage image)
	: m_egl		(egl)
	, m_display	(display)
	, m_image	(image)
{
}

UniqueImage::~UniqueImage (void)
{
	if (m_image != EGL_NO_IMAGE)
		m_egl.destroyImageKHR(m_display, m_image);
}

UniqueImage::operator bool (void) const
{
	return m_image != EGL_NO_IMAGE;
}

} // eglu