Removing a bunch of unused platform code.

Source/WebCore/platform/graphics/surfaces/glx/GLXConfigSelector.h

Index: Source/WebCore/platform/graphics/surfaces/glx/GLXConfigSelector.h
diff --git a/Source/WebCore/platform/graphics/surfaces/glx/GLXConfigSelector.h b/Source/WebCore/platform/graphics/surfaces/glx/GLXConfigSelector.h
deleted file mode 100644
index 2fea7b004471f6bcf4dc307a23ffc17191797fb5..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/graphics/surfaces/glx/GLXConfigSelector.h
+++ /dev/null
@@ -1,211 +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.
- */
-
-#ifndef GLXConfigSelector_h
-#define GLXConfigSelector_h
-
-#if USE(ACCELERATED_COMPOSITING) && USE(GLX)
-
-#include "X11Helper.h"
-#include <opengl/GLDefs.h>
-#include <opengl/GLPlatformSurface.h>
-
-namespace WebCore {
-
-static int clientAttributes[] = {
-    // The specification is a set key value pairs stored in a simple array.
-    GLX_LEVEL,                          0,
-    static_cast<int>(GLX_VISUAL_ID),    0,
-    GLX_DRAWABLE_TYPE,                  GLX_PIXMAP_BIT,
-    GLX_BIND_TO_TEXTURE_TARGETS_EXT,    GLX_TEXTURE_2D_BIT_EXT,
-    GLX_BIND_TO_TEXTURE_RGBA_EXT,       TRUE,
-    0
-};
-
-static int glxSurfaceAttributes[] = {
-    GLX_LEVEL, 0,
-    GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT,
-    GLX_RENDER_TYPE,   0,
-    GLX_RED_SIZE,      1,
-    GLX_GREEN_SIZE,    1,
-    GLX_BLUE_SIZE,     1,
-    GLX_ALPHA_SIZE,    0,
-    GLX_DOUBLEBUFFER,  GL_FALSE,
-    None
-};
-
-class GLXConfigSelector {
-    WTF_MAKE_NONCOPYABLE(GLXConfigSelector);
-
-public:
-    GLXConfigSelector(GLPlatformSurface::SurfaceAttributes attr = GLPlatformSurface::Default)
-        : m_surfaceContextFBConfig(0)
-        , m_pixmapContextFBConfig(0)
-        , m_attributes(attr)
-    {
-    }
-
-    virtual ~GLXConfigSelector()
-    {
-    }
-
-    XVisualInfo* visualInfo(const GLXFBConfig& config)
-    {
-        return glXGetVisualFromFBConfig(X11Helper::nativeDisplay(), config);
-    }
-
-    GLXFBConfig pixmapContextConfig()
-    {
-        if (!m_pixmapContextFBConfig) {
-            validateAttributes();
-            m_pixmapContextFBConfig = findMatchingConfig(glxSurfaceAttributes, m_attributes & GLPlatformSurface::SupportAlpha ? 32 : 24);
-        }
-
-        return m_pixmapContextFBConfig;
-    }
-
-
-    GLXFBConfig surfaceContextConfig()
-    {
-        if (!m_surfaceContextFBConfig) {
-            glxSurfaceAttributes[3] = GLX_WINDOW_BIT;
-            glxSurfaceAttributes[7] = 8;
-            glxSurfaceAttributes[9] = 8;
-            glxSurfaceAttributes[11] = 8;
-            validateAttributes();
-            m_surfaceContextFBConfig = findMatchingConfig(glxSurfaceAttributes, m_attributes & GLPlatformSurface::SupportAlpha ? 32 : 24);
-        }
-
-        return m_surfaceContextFBConfig;
-    }
-
-    GLXFBConfig surfaceClientConfig(int depth, VisualID id)
-    {
-        clientAttributes[3] = static_cast<int>(id);
-        clientAttributes[8] = depth == 32 ? GLX_BIND_TO_TEXTURE_RGBA_EXT : GLX_BIND_TO_TEXTURE_RGB_EXT;
-        // Prefer to match with Visual Id.
-        GLXFBConfig config = findMatchingConfigWithVisualId(clientAttributes, depth, id);
-
-        if (!config)
-            config = findMatchingConfig(clientAttributes, depth);
-
-        return config;
-    }
-
-    void reset()
-    {
-        m_surfaceContextFBConfig = 0;
-        m_pixmapContextFBConfig = 0;
-    }
-
-    GLPlatformSurface::SurfaceAttributes attributes() const
-    {
-        return m_attributes;
-    }
-
-private:
-    void validateAttributes()
-    {
-        if (m_attributes & GLPlatformSurface::SupportAlpha) {
-            glxSurfaceAttributes[13] = 8;
-            glxSurfaceAttributes[5] = GLX_RGBA_BIT;
-        }
-
-        if (m_attributes & GLPlatformSurface::DoubleBuffered)
-            glxSurfaceAttributes[15] = GL_TRUE;
-    }
-
-    GLXFBConfig findMatchingConfig(const int attributes[], int depth = 32)
-    {
-        int numAvailableConfigs;
-        OwnPtrX11<GLXFBConfig> temp(glXChooseFBConfig(X11Helper::nativeDisplay(), DefaultScreen(X11Helper::nativeDisplay()), attributes, &numAvailableConfigs));
-
-        if (!numAvailableConfigs || !temp.get())
-            return 0;
-
-        OwnPtrX11<XVisualInfo> scopedVisualInfo;
-        for (int i = 0; i < numAvailableConfigs; ++i) {
-            scopedVisualInfo = glXGetVisualFromFBConfig(X11Helper::nativeDisplay(), temp[i]);
-            if (!scopedVisualInfo.get())
-                continue;
-
-#if USE(GRAPHICS_SURFACE) && USE(GLX)
-            if (X11Helper::isXRenderExtensionSupported()) {
-                XRenderPictFormat* format = XRenderFindVisualFormat(X11Helper::nativeDisplay(), scopedVisualInfo->visual);
-
-                if (format) {
-                    if (m_attributes & GLPlatformSurface::SupportAlpha) {
-                        if (scopedVisualInfo->depth == depth && format->direct.alphaMask > 0)
-                            return temp[i];
-                    } else if (!format->direct.alphaMask)
-                        return temp[i];
-                }
-            }
-#endif
-            if (scopedVisualInfo->depth == depth)
-                return temp[i];
-        }
-
-        // Did not find any visual supporting alpha, select the first available config.
-        scopedVisualInfo = glXGetVisualFromFBConfig(X11Helper::nativeDisplay(), temp[0]);
-
-        if ((m_attributes & GLPlatformSurface::SupportAlpha) && (scopedVisualInfo->depth != 32))
-            m_attributes &= ~GLPlatformSurface::SupportAlpha;
-
-        return temp[0];
-    }
-
-    GLXFBConfig findMatchingConfigWithVisualId(const int attributes[], int depth, VisualID id)
-    {
-        int numAvailableConfigs;
-        OwnPtrX11<GLXFBConfig> temp(glXChooseFBConfig(X11Helper::nativeDisplay(), DefaultScreen(X11Helper::nativeDisplay()), attributes, &numAvailableConfigs));
-
-        if (!numAvailableConfigs || !temp.get())
-            return 0;
-
-        OwnPtrX11<XVisualInfo> scopedVisualInfo;
-        for (int i = 0; i < numAvailableConfigs; ++i) {
-            scopedVisualInfo = glXGetVisualFromFBConfig(X11Helper::nativeDisplay(), temp[i]);
-            if (!scopedVisualInfo.get())
-                continue;
-
-            if (id && scopedVisualInfo->depth == depth && scopedVisualInfo->visualid == id)
-                return temp[i];
-        }
-
-        return 0;
-    }
-
-    GLXFBConfig m_surfaceContextFBConfig;
-    GLXFBConfig m_pixmapContextFBConfig;
-    GLPlatformSurface::SurfaceAttributes m_attributes : 3;
-};
-
-}
-
-#endif
-
-#endif
-