eglCreateContext checks client version is 2.

I believe we don't support version 1 since we are missing things like the fixed function pipeline. This is motivated by consistency with other EGL implementations, which return a v1 context if the EGL_CONTEXT_CLIENT_VERSION attribute is not specified. Review URL: http://codereview.appspot.com/2760041 git-svn-id: https://angleproject.googlecode.com/svn/trunk@468 736b8ea6-26fd-11df-bfd4-992fa37f6226

eglCreateContext checks client version is 2.
78477fc0 · apatrick@chromium.org · 9d7fc1db · 78477fc0
Commit 78477fc0 authored Oct 27, 2010 by apatrick@chromium.org
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libEGL.cpp src/libEGL/libEGL.cpp +19 -0

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--- a/src/libEGL/libEGL.cpp
+++ b/src/libEGL/libEGL.cpp
@@ -772,6 +772,25 @@ EGLContext __stdcall eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLConte

    try
    {
+        // Get the requested client version (default is 1) and check it is two.
+        EGLint client_version = 1;
+        for (const EGLint* attribute = attrib_list; attribute[0] != EGL_NONE; attribute += 2)
+        {
+            if (attribute[0] == EGL_CONTEXT_CLIENT_VERSION)
+            {
+                client_version = attribute[1];
+            }
+            else
+            {
+                return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+            }
+        }
+
+        if (client_version != 2)
+        {
+            return error(EGL_BAD_CONFIG, EGL_NO_CONTEXT);
+        }
+
        egl::Display *display = static_cast<egl::Display*>(dpy);

        if (!validate(display, config))