Removing a bunch of unused platform code.

Source/WebCore/platform/graphics/surfaces/glx/GLXContext.cpp

Index: Source/WebCore/platform/graphics/surfaces/glx/GLXContext.cpp
diff --git a/Source/WebCore/platform/graphics/surfaces/glx/GLXContext.cpp b/Source/WebCore/platform/graphics/surfaces/glx/GLXContext.cpp
deleted file mode 100644
index 10d44f882ecab890f15769809a090d43f0387e7b..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/graphics/surfaces/glx/GLXContext.cpp
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Copyright (C) 2012 Intel Corporation. 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 INC. 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 INC. 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"
-#include "GLXContext.h"
-
-#if USE(ACCELERATED_COMPOSITING) && USE(GLX)
-
-#include "X11Helper.h"
-
-namespace WebCore {
-
-typedef GLXContext (*GLXCREATECONTEXTATTRIBSARBPROC)(Display*, GLXFBConfig, GLXContext, Bool, const int*);
-static GLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = 0;
-
-static int Attribs[] = {
-    GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
-    GLX_LOSE_CONTEXT_ON_RESET_ARB,
-    0 };
-
-static void initializeARBExtensions()
-{
-    static bool initialized = false;
-    if (initialized)
-        return;
-
-    initialized = true;
-    if (GLPlatformContext::supportsGLXExtension(X11Helper::nativeDisplay(), "GLX_ARB_create_context_robustness"))
-        glXCreateContextAttribsARB = reinterpret_cast<GLXCREATECONTEXTATTRIBSARBPROC>(glXGetProcAddress(reinterpret_cast<const GLubyte*>("glXCreateContextAttribsARB")));
-}
-
-GLXOffScreenContext::GLXOffScreenContext()
-    : GLPlatformContext()
-{
-}
-
-bool GLXOffScreenContext::initialize(GLPlatformSurface* surface, PlatformContext sharedContext)
-{
-    if (!surface)
-        return false;
-
-    Display* x11Display = surface->sharedDisplay();
-    if (!x11Display)
-        return false;
-
-    GLXFBConfig config = surface->configuration();
-
-    if (config) {
-        initializeARBExtensions();
-
-        if (glXCreateContextAttribsARB)
-            m_contextHandle = glXCreateContextAttribsARB(x11Display, config, sharedContext, true, Attribs);
-
-        if (m_contextHandle) {
-            // The GLX_ARB_create_context_robustness spec requires that a context created with
-            // GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB bit set must also support GL_ARB_robustness or
-            // a version of OpenGL incorporating equivalent functionality.
-            // The spec also defines similar requirements for attribute GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB.
-            if (platformMakeCurrent(surface) && GLPlatformContext::supportsGLExtension("GL_ARB_robustness"))
-                m_resetLostContext = true;
-            else
-                glXDestroyContext(x11Display, m_contextHandle);
-        }
-
-        bool supportsAlpha = surface->attributes() & GLPlatformSurface::SupportAlpha;
-        if (!m_contextHandle)
-            m_contextHandle = glXCreateNewContext(x11Display, config, supportsAlpha ? GLX_RGBA_TYPE : 0, sharedContext, true);
-
-        if (m_contextHandle)
-            return true;
-    }
-
-    return false;
-}
-
-GLXOffScreenContext::~GLXOffScreenContext()
-{
-}
-
-bool GLXOffScreenContext::isCurrentContext() const
-{
-    return m_contextHandle == glXGetCurrentContext();
-}
-
-bool GLXOffScreenContext::platformMakeCurrent(GLPlatformSurface* surface)
-{
-    return glXMakeCurrent(surface->sharedDisplay(), surface->drawable(), m_contextHandle);
-}
-
-void GLXOffScreenContext::platformReleaseCurrent()
-{
-    Display* x11Display = X11Helper::nativeDisplay();
-    if (!x11Display)
-        return;
-
-    glXMakeCurrent(x11Display, 0, 0);
-}
-
-void GLXOffScreenContext::freeResources()
-{
-    Display* x11Display = X11Helper::nativeDisplay();
-    if (!x11Display)
-        return;
-
-    if (m_contextHandle)
-        glXDestroyContext(x11Display, m_contextHandle);
-
-    m_contextHandle = 0;
-}
-
-void GLXOffScreenContext::destroy()
-{
-    freeResources();
-    GLPlatformContext::destroy();
-}
-
-}
-
-#endif