ANGLE: Upgrade to 2.1~abce76206141

Upgrade to address issues discovered since the last upgrade.

Patch notes:
0000-General-fixes-for-ANGLE-2.1.patch
  added removal of the unused third-party tracing functions

0003-Fix-compilation-with-MinGW-gcc-64-bit.patch
  removed as it is no longer needed

0011-ANGLE-Fix-compilation-error-on-MinGW-caused-by-trace.patch
  removed as it is no longer needed

0016-ANGLE-Fix-compilation-with-MinGW-D3D11.patch
  now supports MinGW 64-bit

[ChangeLog][Third-party libraries] ANGLE updated to 2.1~f8602ad91e4f

Task-number: QTBUG-40649
Task-number: QTBUG-40658
Task-number: QTBUG-41031
Task-number: QTBUG-41081
Task-number: QTBUG-41308
Task-number: QTBUG-41563
Change-Id: I9f776c8d5cb94ddb12d608a8d5630bfc54437bea
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

4 files changed, 17 insertions, 6 deletions

diff --git a/src/3rdparty/angle/src/libEGL/Display.cpp b/src/3rdparty/angle/src/libEGL/Display.cpp
index 7cd83c3db4..5a50e4baf5 100644
--- a/src/3rdparty/angle/src/libEGL/Display.cpp
+++ b/src/3rdparty/angle/src/libEGL/Display.cpp
@@ -561,8 +561,10 @@ void Display::initDisplayExtensionString()
         extensions.push_back("EGL_NV_post_sub_buffer");
     }
 
+#if defined (ANGLE_TEST_CONFIG)
     // TODO: complete support for the EGL_KHR_create_context extension
-    //extensions.push_back("EGL_KHR_create_context");
+    extensions.push_back("EGL_KHR_create_context");
+#endif
 
     std::ostringstream stream;
     std::copy(extensions.begin(), extensions.end(), std::ostream_iterator<std::string>(stream, " "));
@@ -606,6 +608,7 @@ void Display::initVendorString()
     {
         char adapterLuidString[64];
         snprintf(adapterLuidString, sizeof(adapterLuidString), " (adapter LUID: %08x%08x)", adapterLuid.HighPart, adapterLuid.LowPart);
+
         mVendorString += adapterLuidString;
     }
 }
diff --git a/src/3rdparty/angle/src/libEGL/libEGL.cpp b/src/3rdparty/angle/src/libEGL/libEGL.cpp
index c236d52a4f..c2e0fd6d3d 100644
--- a/src/3rdparty/angle/src/libEGL/libEGL.cpp
+++ b/src/3rdparty/angle/src/libEGL/libEGL.cpp
@@ -6,6 +6,9 @@
 
 // libEGL.cpp: Implements the exported EGL functions.
 
+#undef EGLAPI
+#define EGLAPI
+
 #include <exception>
 
 #include "common/debug.h"
@@ -825,12 +828,19 @@ EGLBoolean __stdcall eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface
     egl::Display *display = static_cast<egl::Display*>(dpy);
     gl::Context *context = static_cast<gl::Context*>(ctx);
 
+    bool noContext = (ctx == EGL_NO_CONTEXT);
+    bool noSurface = (draw == EGL_NO_SURFACE || read == EGL_NO_SURFACE);
+    if (noContext != noSurface)
+    {
+        return egl::error(EGL_BAD_MATCH, EGL_FALSE);
+    }
+
     if (ctx != EGL_NO_CONTEXT && !validateContext(display, context))
     {
         return EGL_FALSE;
     }
 
-    if (dpy != EGL_NO_DISPLAY)
+    if (dpy != EGL_NO_DISPLAY && display->isInitialized())
     {
         rx::Renderer *renderer = display->getRenderer();
         if (renderer->testDeviceLost(true))
diff --git a/src/3rdparty/angle/src/libEGL/main.cpp b/src/3rdparty/angle/src/libEGL/main.cpp
index 5788af7827..e74737eaba 100644
--- a/src/3rdparty/angle/src/libEGL/main.cpp
+++ b/src/3rdparty/angle/src/libEGL/main.cpp
@@ -105,15 +105,15 @@ extern "C" BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved
         break;
       case DLL_THREAD_DETACH:
         {
+#if !defined(ANGLE_PLATFORM_WINRT)
             egl::DeallocateCurrent();
+#endif
         }
         break;
       case DLL_PROCESS_DETACH:
         {
-#if !defined(ANGLE_PLATFORM_WINRT)
             egl::DeallocateCurrent();
             DestroyTLSIndex(currentTLS);
-#endif
         }
         break;
       default:
diff --git a/src/3rdparty/angle/src/libEGL/main.h b/src/3rdparty/angle/src/libEGL/main.h
index 6030fb6ad9..07f5b9e675 100644
--- a/src/3rdparty/angle/src/libEGL/main.h
+++ b/src/3rdparty/angle/src/libEGL/main.h
@@ -9,8 +9,6 @@
 #ifndef LIBEGL_MAIN_H_
 #define LIBEGL_MAIN_H_
 
-#undef EGLAPI
-#define EGLAPI
 #include <EGL/egl.h>
 #include <EGL/eglext.h>