ANGLE: Upgrade to version 1.2.30d6c255d238

The following patches have been changed:

0001-Fix-compilation-for-MSVC-2008-and-std-tuple.patch
  Removed because it is no longer possible to build ANGLE with MSVC2008

0002-Fix-compilation-of-ANGLE-with-mingw-tdm64-gcc-4.8.1.patch
  Removed because the minimum version of MinGW moved to 4.8.2

0005-Fix-build-when-SSE2-is-not-available.patch
  Removed because it was fixed upstream

0006-Fix-compilation-of-libGLESv2-with-older-MinGW-w64-he.patch
  Removed because older versions of MinGW are not supported

0007-Fix-ANGLE-build-with-Microsoft-Visual-Studio-14-CTP.patch
  Removed because it was fixed upstream

Task-number: QTBUG-41903
Change-Id: I976d30802f7f6fee725cf9a9f1325d5e82609835
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
Reviewed-by: Oliver Wolff <oliver.wolff@theqtcompany.com>

1 files changed, 16 insertions, 9 deletions

diff --git a/src/3rdparty/angle/src/common/angleutils.cpp b/src/3rdparty/angle/src/common/angleutils.cpp
index 2673abf30a..c1367c460a 100644
--- a/src/3rdparty/angle/src/common/angleutils.cpp
+++ b/src/3rdparty/angle/src/common/angleutils.cpp
@@ -5,26 +5,33 @@
 //
 
 #include "common/angleutils.h"
-
+#include "debug.h"
+#include <stdio.h>
 #include <vector>
 
-std::string FormatString(const char *fmt, va_list vararg)
+size_t FormatStringIntoVector(const char *fmt, va_list vararg, std::vector<char>& outBuffer)
 {
-    static std::vector<char> buffer(512);
-
     // Attempt to just print to the current buffer
-    int len = vsnprintf(&buffer[0], buffer.size(), fmt, vararg);
-    if (len < 0 || static_cast<size_t>(len) >= buffer.size())
+    int len = vsnprintf(&(outBuffer.front()), outBuffer.size(), fmt, vararg);
+    if (len < 0 || static_cast<size_t>(len) >= outBuffer.size())
     {
         // Buffer was not large enough, calculate the required size and resize the buffer
         len = vsnprintf(NULL, 0, fmt, vararg);
-        buffer.resize(len + 1);
+        outBuffer.resize(len + 1);
 
         // Print again
-        vsnprintf(&buffer[0], buffer.size(), fmt, vararg);
+        len = vsnprintf(&(outBuffer.front()), outBuffer.size(), fmt, vararg);
     }
+    ASSERT(len >= 0);
+    return static_cast<size_t>(len);
+}
+
+std::string FormatString(const char *fmt, va_list vararg)
+{
+    static std::vector<char> buffer(512);
 
-    return std::string(buffer.data(), len);
+    size_t len = FormatStringIntoVector(fmt, vararg, buffer);
+    return std::string(&buffer[0], len);
 }
 
 std::string FormatString(const char *fmt, ...)