/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GLCONTEXTPROVIDER_H_
#define GLCONTEXTPROVIDER_H_

#include "GLContextTypes.h"
#include "nsAutoPtr.h"
#include "SurfaceTypes.h"
#include "mozilla/TypedEnumBits.h"

#include "nsSize.h" // for gfx::IntSize (needed by GLContextProviderImpl.h below)

class nsIWidget;

namespace mozilla {
namespace gl {

enum class CreateContextFlags : int8_t {
    NONE = 0,
    REQUIRE_COMPAT_PROFILE = 1 << 0,
    // Force the use of hardware backed GL, don't allow software implementations.
    FORCE_ENABLE_HARDWARE = 1 << 1,
    /* Don't force discrete GPU to be used (if applicable) */
    ALLOW_OFFLINE_RENDERER =  1 << 2,
};
MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(CreateContextFlags)

#define IN_GL_CONTEXT_PROVIDER_H

// Null is always there
#define GL_CONTEXT_PROVIDER_NAME GLContextProviderNull
#include "GLContextProviderImpl.h"
#undef GL_CONTEXT_PROVIDER_NAME

#ifdef XP_WIN
#define GL_CONTEXT_PROVIDER_NAME GLContextProviderWGL
#include "GLContextProviderImpl.h"
#undef GL_CONTEXT_PROVIDER_NAME
#define GL_CONTEXT_PROVIDER_DEFAULT GLContextProviderWGL
#define DEFAULT_IMPL WGL
#endif

#ifdef XP_MACOSX
#define GL_CONTEXT_PROVIDER_NAME GLContextProviderCGL
#include "GLContextProviderImpl.h"
#undef GL_CONTEXT_PROVIDER_NAME
#define GL_CONTEXT_PROVIDER_DEFAULT GLContextProviderCGL
#endif

#if defined(ANDROID) || defined(XP_WIN)
#define GL_CONTEXT_PROVIDER_NAME GLContextProviderEGL
#include "GLContextProviderImpl.h"
#undef GL_CONTEXT_PROVIDER_NAME
#ifndef GL_CONTEXT_PROVIDER_DEFAULT
#define GL_CONTEXT_PROVIDER_DEFAULT GLContextProviderEGL
#endif
#endif

#ifdef MOZ_GL_PROVIDER
#define GL_CONTEXT_PROVIDER_NAME MOZ_GL_PROVIDER
#include "GLContextProviderImpl.h"
#undef GL_CONTEXT_PROVIDER_NAME
#define GL_CONTEXT_PROVIDER_DEFAULT MOZ_GL_PROVIDER
#endif

#if defined(MOZ_X11) && !defined(GL_CONTEXT_PROVIDER_DEFAULT)
#define GL_CONTEXT_PROVIDER_NAME GLContextProviderGLX
#include "GLContextProviderImpl.h"
#undef GL_CONTEXT_PROVIDER_NAME
#define GL_CONTEXT_PROVIDER_DEFAULT GLContextProviderGLX
#endif

#ifdef GL_CONTEXT_PROVIDER_DEFAULT
typedef GL_CONTEXT_PROVIDER_DEFAULT GLContextProvider;
#else
typedef GLContextProviderNull GLContextProvider;
#endif

#undef IN_GL_CONTEXT_PROVIDER_H

} // namespace gl
} // namespace mozilla

#endif