diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index 1d21f3a72db..35bbac8c8d1 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -12863,6 +12863,50 @@
 </category>
 
 <category name="GL_MESA_internal_functions">
+    <!-- These functions exist because glthread converts all draws to these
+         and then calls them through the dispatch table, so this is a workaround
+         for the GL_INVALID_OPERATION errors with OpenGL ES 1.x. -->
+    <function name="InternalDrawArraysInstancedBaseInstance" es1="1.0"
+              alias="DrawArraysInstancedBaseInstance">
+        <param name="mode" type="GLenum"/>
+        <param name="first" type="GLint"/>
+        <param name="count" type="GLsizei"/>
+        <param name="instancecount" type="GLsizei"/>
+        <param name="baseinstance" type="GLuint"/>
+    </function>
+
+    <function name="InternalDrawElementsInstancedBaseVertexBaseInstance" es1="1.0"
+              alias="DrawElementsInstancedBaseVertexBaseInstance">
+        <param name="mode" type="GLenum"/>
+        <param name="count" type="GLsizei"/>
+        <param name="type" type="GLenum"/>
+        <param name="indices" type="const GLvoid *"/>
+        <param name="instancecount" type="GLsizei"/>
+        <param name="basevertex" type="GLint"/>
+        <param name="baseinstance" type="GLuint"/>
+    </function>
+
+    <function name="InternalDrawRangeElementsBaseVertex" es1="1.0"
+              alias="DrawRangeElementsBaseVertex">
+        <param name="mode" type="GLenum"/>
+        <param name="start" type="GLuint"/>
+        <param name="end" type="GLuint"/>
+        <param name="count" type="GLsizei"/>
+        <param name="type" type="GLenum"/>
+        <param name="indices" type="const GLvoid *"/>
+        <param name="basevertex" type="GLint"/>
+    </function>
+
+    <function name="InternalMultiDrawElementsBaseVertex" es1="1.0"
+              alias="MultiDrawElementsBaseVertex">
+        <param name="mode" type="GLenum"/>
+        <param name="count" type="const GLsizei *"/>
+        <param name="type" type="GLenum"/>
+        <param name="indices" type="const GLvoid * const *"/>
+        <param name="primcount" type="GLsizei"/>
+        <param name="basevertex" type="const GLint *"/>
+    </function>
+
     <!-- Internal function for glthread to implement BufferSubData as a GPU copy. -->
     <function name="InternalBufferSubDataCopyMESA" es2="2.0">
         <param name="srcBuffer" type="GLintptr"/> <!-- "struct gl_buffer_object *" really -->