Support GL_OES_EGL_image_external

gpu/GLES2/gl2ext.h

Index: gpu/GLES2/gl2ext.h
diff --git a/gpu/GLES2/gl2ext.h b/gpu/GLES2/gl2ext.h
index 6fef6473350c51c52f69d5b368ca5d9660e64968..c2bec346a0669d99733d4d41a331e1fe22b3d35e 100644
--- a/gpu/GLES2/gl2ext.h
+++ b/gpu/GLES2/gl2ext.h
@@ -146,6 +146,14 @@ typedef void* GLeglImageOES;
 #define GL_INT_10_10_10_2_OES                                   0x8DF7
 #endif
 
+/* GL_OES_EGL_image_external */
+#ifndef GL_OES_EGL_image_external
+#define GL_TEXTURE_EXTERNAL_OES                                 0x8D65
+#define GL_SAMPLER_EXTERNAL_OES                                 0x8D66
+#define GL_TEXTURE_BINDING_EXTERNAL_OES                         0x8D67
+#define GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES                     0x8D68
+#endif
+
 /*------------------------------------------------------------------------*
  * AMD extension tokens
  *------------------------------------------------------------------------*/
@@ -543,6 +551,11 @@ typedef GLboolean (GL_APIENTRYP PFNGLISVERTEXARRAYOESPROC) (GLuint array);
 #define GL_OES_vertex_type_10_10_10_2 1
 #endif
 
+/* GL_OES_EGL_image_external */
+#ifndef GL_OES_EGL_image_external
+#define GL_OES_EGL_image_external 1
+#endif
+
 /*------------------------------------------------------------------------*
  * AMD extension functions
  *------------------------------------------------------------------------*/