diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index c239a473f12..286e6eea153 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -5813,6 +5813,21 @@ static void shader_glsl_generate_alpha_test(struct wined3d_string_buffer *buffer
     shader_addline(buffer, "    discard;\n");
 }
 
+static void shader_glsl_enable_extensions(struct wined3d_string_buffer *buffer,
+        const struct wined3d_gl_info *gl_info)
+{
+    if (gl_info->supported[ARB_SHADER_BIT_ENCODING])
+        shader_addline(buffer, "#extension GL_ARB_shader_bit_encoding : enable\n");
+    if (gl_info->supported[ARB_TEXTURE_QUERY_LEVELS])
+        shader_addline(buffer, "#extension GL_ARB_texture_query_levels : enable\n");
+    if (gl_info->supported[ARB_UNIFORM_BUFFER_OBJECT])
+        shader_addline(buffer, "#extension GL_ARB_uniform_buffer_object : enable\n");
+    if (gl_info->supported[EXT_GPU_SHADER4])
+        shader_addline(buffer, "#extension GL_EXT_gpu_shader4 : enable\n");
+    if (gl_info->supported[EXT_TEXTURE_ARRAY])
+        shader_addline(buffer, "#extension GL_EXT_texture_array : enable\n");
+}
+
 /* Context activation is done by the caller. */
 static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context,
         struct wined3d_string_buffer *buffer, struct wined3d_string_buffer_list *string_buffers,
@@ -5835,22 +5850,13 @@ static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context
 
     shader_addline(buffer, "%s\n", shader_glsl_get_version(gl_info, &reg_maps->shader_version));
 
-    if (gl_info->supported[ARB_SHADER_BIT_ENCODING])
-        shader_addline(buffer, "#extension GL_ARB_shader_bit_encoding : enable\n");
+    shader_glsl_enable_extensions(buffer, gl_info);
     if (gl_info->supported[ARB_SHADER_TEXTURE_LOD])
         shader_addline(buffer, "#extension GL_ARB_shader_texture_lod : enable\n");
-    if (gl_info->supported[ARB_TEXTURE_QUERY_LEVELS])
-        shader_addline(buffer, "#extension GL_ARB_texture_query_levels : enable\n");
     /* The spec says that it doesn't have to be explicitly enabled, but the
      * nvidia drivers write a warning if we don't do so. */
     if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
         shader_addline(buffer, "#extension GL_ARB_texture_rectangle : enable\n");
-    if (gl_info->supported[ARB_UNIFORM_BUFFER_OBJECT])
-        shader_addline(buffer, "#extension GL_ARB_uniform_buffer_object : enable\n");
-    if (gl_info->supported[EXT_GPU_SHADER4])
-        shader_addline(buffer, "#extension GL_EXT_gpu_shader4 : enable\n");
-    if (gl_info->supported[EXT_TEXTURE_ARRAY])
-        shader_addline(buffer, "#extension GL_EXT_texture_array : enable\n");
 
     /* Base Declarations */
     shader_generate_glsl_declarations(context, buffer, shader, reg_maps, &priv_ctx);
@@ -5961,20 +5967,11 @@ static GLuint shader_glsl_generate_vshader(const struct wined3d_context *context
 
     shader_addline(buffer, "%s\n", shader_glsl_get_version(gl_info, &reg_maps->shader_version));
 
+    shader_glsl_enable_extensions(buffer, gl_info);
     if (gl_info->supported[ARB_DRAW_INSTANCED])
         shader_addline(buffer, "#extension GL_ARB_draw_instanced : enable\n");
     if (gl_info->supported[ARB_EXPLICIT_ATTRIB_LOCATION])
         shader_addline(buffer, "#extension GL_ARB_explicit_attrib_location : enable\n");
-    if (gl_info->supported[ARB_SHADER_BIT_ENCODING])
-        shader_addline(buffer, "#extension GL_ARB_shader_bit_encoding : enable\n");
-    if (gl_info->supported[ARB_TEXTURE_QUERY_LEVELS])
-        shader_addline(buffer, "#extension GL_ARB_texture_query_levels : enable\n");
-    if (gl_info->supported[ARB_UNIFORM_BUFFER_OBJECT])
-        shader_addline(buffer, "#extension GL_ARB_uniform_buffer_object : enable\n");
-    if (gl_info->supported[EXT_GPU_SHADER4])
-        shader_addline(buffer, "#extension GL_EXT_gpu_shader4 : enable\n");
-    if (gl_info->supported[EXT_TEXTURE_ARRAY])
-        shader_addline(buffer, "#extension GL_EXT_texture_array : enable\n");
 
     memset(&priv_ctx, 0, sizeof(priv_ctx));
     priv_ctx.cur_vs_args = args;
@@ -6057,18 +6054,9 @@ static GLuint shader_glsl_generate_geometry_shader(const struct wined3d_context
 
     shader_addline(buffer, "%s\n", shader_glsl_get_version(gl_info, &reg_maps->shader_version));
 
+    shader_glsl_enable_extensions(buffer, gl_info);
     if (gl_info->supported[ARB_GEOMETRY_SHADER4])
         shader_addline(buffer, "#extension GL_ARB_geometry_shader4 : enable\n");
-    if (gl_info->supported[ARB_SHADER_BIT_ENCODING])
-        shader_addline(buffer, "#extension GL_ARB_shader_bit_encoding : enable\n");
-    if (gl_info->supported[ARB_TEXTURE_QUERY_LEVELS])
-        shader_addline(buffer, "#extension GL_ARB_texture_query_levels : enable\n");
-    if (gl_info->supported[ARB_UNIFORM_BUFFER_OBJECT])
-        shader_addline(buffer, "#extension GL_ARB_uniform_buffer_object : enable\n");
-    if (gl_info->supported[EXT_GPU_SHADER4])
-        shader_addline(buffer, "#extension GL_EXT_gpu_shader4 : enable\n");
-    if (gl_info->supported[EXT_TEXTURE_ARRAY])
-        shader_addline(buffer, "#extension GL_EXT_texture_array : enable\n");
 
     memset(&priv_ctx, 0, sizeof(priv_ctx));
     priv_ctx.string_buffers = string_buffers;