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+Name
+
+    CHROMIUM_yuv_420_image
+
+Name Strings
+
+    GL_CHROMIUM_yuv_420_image
+
+Version
+
+    Last Modifed Date: April 10, 2015
+
+Dependencies
+
+    OpenGL ES 2.0 is required.
+
+    GL_CHROMIUM_image is required.
+
+Overview
+
+    This extension provides a new internal image format to use when creating an 
+    image from underlying I420 buffers with YUV components. 
+
+    This extension is useful in conjunction with CreateImageCHROMIUM and
+    CreateGpuMemoryBufferImageCHROMIUM to define the format of GpuMemoryBuffer 
+    backing the image.
+
+New Procedures and Functions
+
+    None.
+
+Errors
+
+    None.
+
+New Tokens
+    
+    Accepted by the <internalformat> parameter of CreateImageCHROMIUM, and 
+    <internalformat> parameter of CreateGpuMemoryBufferImageCHROMIUM:
+        GL_RGB_YUV_420_CHROMIUM 0x78FA
+
+New State
+
+    None.
+
+Revision History
+
+    4/10/2015   Documented the extension