+static inline enum pipe_shader_type
+st_shader_stage_to_ptarget(gl_shader_stage stage)
+{
+ switch (stage) {
+ case MESA_SHADER_VERTEX:
+ return PIPE_SHADER_VERTEX;
+ case MESA_SHADER_FRAGMENT:
+ return PIPE_SHADER_FRAGMENT;
+ case MESA_SHADER_GEOMETRY:
+ return PIPE_SHADER_GEOMETRY;
+ case MESA_SHADER_TESS_CTRL:
+ return PIPE_SHADER_TESS_CTRL;
+ case MESA_SHADER_TESS_EVAL:
+ return PIPE_SHADER_TESS_EVAL;
+ case MESA_SHADER_COMPUTE:
+ return PIPE_SHADER_COMPUTE;
+ }
+
+ assert(!"should not be reached");
+ return PIPE_SHADER_VERTEX;
+}
+
+static inline bool
+st_user_clip_planes_enabled(struct gl_context *ctx)
+{
+ return (ctx->API == API_OPENGL_COMPAT ||
+ ctx->API == API_OPENGLES) && /* only ES 1.x */
+ ctx->Transform.ClipPlanesEnabled;
+}
+