diff --git a/src/gallium/auxiliary/util/u_screen.c b/src/gallium/auxiliary/util/u_screen.c
index a5711e5595c..ba99ec0615d 100644
--- a/src/gallium/auxiliary/util/u_screen.c
+++ b/src/gallium/auxiliary/util/u_screen.c
@@ -380,6 +380,9 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
    case PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS:
       return 0;
 
+   case PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION:
+      return 0;
+
    case PIPE_CAP_DMABUF:
 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD)
       return 1;
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index d853edf92d0..961f0a9c3cc 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -557,6 +557,7 @@ The integer capabilities:
   efficient manner.
 * ``PIPE_CAP_GL_SPIRV``: True if the driver supports ARB_gl_spirv extension.
 * ``PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS``: True if the driver supports Variable Pointers in SPIR-V shaders.
+* ``PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION``: True if driver supports demote keyword in GLSL programs.
 
 .. _pipe_capf:
 
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 0d4adcf6f4b..1dc880bfc72 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -901,6 +901,7 @@ enum pipe_cap
    PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF,
    PIPE_CAP_GL_SPIRV,
    PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS,
+   PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION,
 };
 
 /**
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index d111b6cf10b..3f8230a22fb 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -749,6 +749,7 @@ void st_init_extensions(struct pipe_screen *screen,
       { o(ARB_fragment_shader_interlock),    PIPE_CAP_FRAGMENT_SHADER_INTERLOCK        },
 
       { o(EXT_blend_equation_separate),      PIPE_CAP_BLEND_EQUATION_SEPARATE          },
+      { o(EXT_demote_to_helper_invocation),  PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION      },
       { o(EXT_depth_bounds_test),            PIPE_CAP_DEPTH_BOUNDS_TEST                },
       { o(EXT_disjoint_timer_query),         PIPE_CAP_QUERY_TIMESTAMP                  },
       { o(EXT_draw_buffers2),                PIPE_CAP_INDEP_BLEND_ENABLE               },