| /* |
| * 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 PLATFORM(COCOA) |
| |
| #if USE(OPENGL_ES) |
| #include <OpenGLES/ES2/gl.h> |
| #else |
| #include <OpenGL/gl.h> |
| #endif |
| |
| #elif USE(OPENGL_ES) |
| #include <GLES2/gl2.h> |
| #include "OpenGLESShims.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 |