From 38e661c7d82fa0b34fbe9b3f3261295787bb6427 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 11 Jan 2012 08:18:52 +0100 Subject: mesa pixman xserver git update 11 jan 2012 --- mesalib/src/glsl/ast_to_hir.cpp | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'mesalib/src/glsl/ast_to_hir.cpp') diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp index 1aebca40f..cde7052b0 100644 --- a/mesalib/src/glsl/ast_to_hir.cpp +++ b/mesalib/src/glsl/ast_to_hir.cpp @@ -2010,6 +2010,29 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual, else var->interpolation = INTERP_QUALIFIER_NONE; + if (var->interpolation != INTERP_QUALIFIER_NONE && + !(state->target == vertex_shader && var->mode == ir_var_out) && + !(state->target == fragment_shader && var->mode == ir_var_in)) { + const char *qual_string = NULL; + switch (var->interpolation) { + case INTERP_QUALIFIER_FLAT: + qual_string = "flat"; + break; + case INTERP_QUALIFIER_NOPERSPECTIVE: + qual_string = "noperspective"; + break; + case INTERP_QUALIFIER_SMOOTH: + qual_string = "smooth"; + break; + } + + _mesa_glsl_error(loc, state, + "interpolation qualifier `%s' can only be applied to " + "vertex shader outputs and fragment shader inputs.", + qual_string); + + } + var->pixel_center_integer = qual->flags.q.pixel_center_integer; var->origin_upper_left = qual->flags.q.origin_upper_left; if ((qual->flags.q.origin_upper_left || qual->flags.q.pixel_center_integer) -- cgit v1.2.3