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/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(GRAPHICS_CONTEXT_3D)
#include "TemporaryOpenGLSetting.h"
#if USE(LIBEPOXY)
#include "EpoxyShims.h"
#elif USE(OPENGL_ES_2)
#define GL_GLEXT_PROTOTYPES 1
#include <GLES2/gl2.h>
#include "OpenGLESShims.h"
#elif PLATFORM(IOS)
#include <OpenGLES/ES2/gl.h>
#elif PLATFORM(MAC)
#include <OpenGL/gl.h>
#elif PLATFORM(GTK) || PLATFORM(WIN)
#include "OpenGLShims.h"
#endif
namespace WebCore {
TemporaryOpenGLSetting::TemporaryOpenGLSetting(GLenum capability, GLenum scopedState)
: m_capability(capability)
, m_scopedState(scopedState)
{
m_originalState = ::glIsEnabled(m_capability);
if (m_originalState == m_scopedState)
return;
if (GL_TRUE == m_scopedState)
::glEnable(m_capability);
else
::glDisable(m_capability);
}
TemporaryOpenGLSetting::~TemporaryOpenGLSetting()
{
if (m_originalState == m_scopedState)
return;
if (GL_TRUE == m_originalState)
::glEnable(m_capability);
else
::glDisable(m_capability);
}
}
#endif
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