diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 74d4d19d379..e125c5ff6ef 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -155,6 +155,7 @@ static const struct wined3d_extension_map gl_extension_map[] =
     {"GL_ARB_point_parameters",             ARB_POINT_PARAMETERS          },
     {"GL_ARB_point_sprite",                 ARB_POINT_SPRITE              },
     {"GL_ARB_provoking_vertex",             ARB_PROVOKING_VERTEX          },
+    {"GL_ARB_sample_shading",               ARB_SAMPLE_SHADING            },
     {"GL_ARB_sampler_objects",              ARB_SAMPLER_OBJECTS           },
     {"GL_ARB_seamless_cube_map",            ARB_SEAMLESS_CUBE_MAP         },
     {"GL_ARB_shader_atomic_counters",       ARB_SHADER_ATOMIC_COUNTERS    },
@@ -2813,6 +2814,8 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
     USE_GL_FUNC(glPointParameterfvARB)
     /* GL_ARB_provoking_vertex */
     USE_GL_FUNC(glProvokingVertex)
+    /* GL_ARB_sample_shading */
+    USE_GL_FUNC(glMinSampleShadingARB)
     /* GL_ARB_sampler_objects */
     USE_GL_FUNC(glGenSamplers)
     USE_GL_FUNC(glDeleteSamplers)
@@ -3898,6 +3901,7 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter,
 
         {ARB_DRAW_INDIRECT,                MAKEDWORD_VERSION(4, 0)},
         {ARB_GPU_SHADER5,                  MAKEDWORD_VERSION(4, 0)},
+        {ARB_SAMPLE_SHADING,               MAKEDWORD_VERSION(4, 0)},
         {ARB_TESSELLATION_SHADER,          MAKEDWORD_VERSION(4, 0)},
         {ARB_TEXTURE_CUBE_MAP_ARRAY,       MAKEDWORD_VERSION(4, 0)},
         {ARB_TEXTURE_GATHER,               MAKEDWORD_VERSION(4, 0)},
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 40d19d028ff..2a57acd2ef6 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -7629,6 +7629,8 @@ static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context
         shader_addline(buffer, "#extension GL_ARB_fragment_coord_conventions : enable\n");
     if (gl_info->supported[ARB_FRAGMENT_LAYER_VIEWPORT])
         shader_addline(buffer, "#extension GL_ARB_fragment_layer_viewport : enable\n");
+    if (gl_info->supported[ARB_SAMPLE_SHADING])
+        shader_addline(buffer, "#extension GL_ARB_sample_shading : enable\n");
     if (gl_info->supported[ARB_SHADER_TEXTURE_LOD])
         shader_addline(buffer, "#extension GL_ARB_shader_texture_lod : enable\n");
     /* The spec says that it doesn't have to be explicitly enabled, but the
diff --git a/dlls/wined3d/wined3d_gl.h b/dlls/wined3d/wined3d_gl.h
index db1929dbcbc..3140526ca11 100644
--- a/dlls/wined3d/wined3d_gl.h
+++ b/dlls/wined3d/wined3d_gl.h
@@ -88,6 +88,7 @@ enum wined3d_gl_extension
     ARB_POINT_PARAMETERS,
     ARB_POINT_SPRITE,
     ARB_PROVOKING_VERTEX,
+    ARB_SAMPLE_SHADING,
     ARB_SAMPLER_OBJECTS,
     ARB_SEAMLESS_CUBE_MAP,
     ARB_SHADER_ATOMIC_COUNTERS,