Merge remote-tracking branch 'remotes/kraxel/tags/pull-sdl-20150505-1' into staging

sdl2: add opengl support

# gpg: Signature made Tue May  5 10:36:25 2015 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-sdl-20150505-1:
  sdl2: Fix RGB555
  sdl2: add support for display rendering using opengl.
  sdl2: move SDL_* includes to sdl2.h
  console-gl: add opengl rendering helper functions
  opengl: add shader helper functions.
  opengl: add shader build infrastructure

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

scripts/coverity-model.c

diff --git a/scripts/coverity-model.c b/scripts/coverity-model.c
index 224d2d1..617f67d 100644
--- a/scripts/coverity-model.c
+++ b/scripts/coverity-model.c
@@ -49,7 +49,7 @@
 typedef uint32_t MemTxResult;
 typedef uint64_t MemTxAttrs;
 
-static void __write(uint8_t *buf, ssize_t len)
+static void __bufwrite(uint8_t *buf, ssize_t len)
 {
     int first, last;
     __coverity_negative_sink__(len);
@@ -59,7 +59,7 @@
     __coverity_writeall__(buf);
 }
 
-static void __read(uint8_t *buf, ssize_t len)
+static void __bufread(uint8_t *buf, ssize_t len)
 {
     __coverity_negative_sink__(len);
     if (len == 0) return;
@@ -74,7 +74,7 @@
 
     // TODO: investigate impact of treating reads as producing
     // tainted data, with __coverity_tainted_data_argument__(buf).
-    if (is_write) __write(buf, len); else __read(buf, len);
+    if (is_write) __bufread(buf, len); else __bufwrite(buf, len);
 
     return result;
 }