Add a command to lose the context

BUG=166020


Review URL: https://chromiumcodereview.appspot.com/11568029

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@173441 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 56 insertions, 0 deletions

diff --git a/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_lose_context.txt b/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_lose_context.txt
new file mode 100644
index 0000000..a7ff30c
--- /dev/null
+++ b/gpu/GLES2/extensions/CHROMIUM/CHROMIUM_lose_context.txt
@@ -0,0 +1,55 @@
+Name
+
+    CHROMIUM_lose_context
+
+Name Strings
+
+    GL_CHROMIUM_lose_context
+
+Version
+
+    Last Modifed Date: December 17, 2012
+
+Dependencies
+
+    OpenGL ES 2.0 is required.
+
+Overview
+
+    This extension allows an application to force a lost context event.
+    This is useful for debugging that an app can correctly handle the context
+    becoming lost.
+
+Issues
+
+    None
+
+New Tokens
+
+    None
+
+New Procedures and Functions
+
+    void LoseContextCHROMIUM (GLenum current, GLenum other)
+
+    Causes the current context and all other contexts in the same share group
+    to become lost. <current> and <other> can each be one of:
+
+        GL_GUILTY_CONTEXT_RESET_EXT
+        GL_INNOCENT_CONTEXT_RESET_EXT
+        GL_UNKNOWN_CONTEXT_RESET_EXT
+
+    INVALID_ENUM is generated if <current> or <other> is not one of the values
+    mentioned above.
+
+Errors
+
+    None.
+
+New State
+
+    None.
+
+Revision History
+
+    12/17/2012    Documented the extension
diff --git a/gpu/GLES2/gl2chromium.h b/gpu/GLES2/gl2chromium.h
index 8598052..7cc84f0 100644
--- a/gpu/GLES2/gl2chromium.h
+++ b/gpu/GLES2/gl2chromium.h
@@ -227,6 +227,7 @@
 #define glAsyncTexSubImage2DCHROMIUM GLES2_GET_FUN(AsyncTexSubImage2DCHROMIUM)
 #define glAsyncTexImage2DCHROMIUM GLES2_GET_FUN(AsyncTexImage2DCHROMIUM)
 #define glDiscardFramebufferEXT GLES2_GET_FUN(DiscardFramebufferEXT)
+#define glLoseContextCHROMIUM GLES2_GET_FUN(LoseContextCHROMIUM)
 
 #endif  // GPU_GLES2_GL2CHROMIUM_H_