Create Lock Surface only if supported.

PlatformSurfacePoolTizen creates a temporary EGLSurface supporting
Locking to work around a cairo issue. This patch adds a check in
SharedPlatformSurfaceTizen to create the surface only if Lock Surface
is supported.

diff --git a/Source/WebCore/platform/graphics/efl/tizen/SharedPlatformSurfaceTizen.cpp b/Source/WebCore/platform/graphics/efl/tizen/SharedPlatformSurfaceTizen.cpp
index a9f6f05..890fe68 100755 (executable)
--- a/Source/WebCore/platform/graphics/efl/tizen/SharedPlatformSurfaceTizen.cpp
+++ b/Source/WebCore/platform/graphics/efl/tizen/SharedPlatformSurfaceTizen.cpp
@@ -167,6 +167,9 @@ bool SharedPlatformSurfaceTizen::initialize()
     if (m_size.isEmpty())
         return false;
 
+    if ((m_sharedSurfaceAttributes & GLPlatformSurface::Lockable) && !supportsLockSurfaceExtension())
+        return false;
+
     m_offScreenSurface = GLPlatformSurface::createOffScreenSurface(m_sharedSurfaceAttributes, m_size);
 
     if (!m_offScreenSurface)