From 02f377d5e2dd18537d0807ad63675a0970b5a37d Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 4 Nov 2011 08:57:20 +0100 Subject: xserver pixman mesa git update 4 nov 2011 --- mesalib/src/mesa/state_tracker/st_program.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'mesalib/src/mesa/state_tracker/st_program.c') diff --git a/mesalib/src/mesa/state_tracker/st_program.c b/mesalib/src/mesa/state_tracker/st_program.c index c419c4066..146e77f9d 100644 --- a/mesalib/src/mesa/state_tracker/st_program.c +++ b/mesalib/src/mesa/state_tracker/st_program.c @@ -416,6 +416,20 @@ st_get_vp_variant(struct st_context *st, return vpv; } +static int st_translate_interp(enum glsl_interp_qualifier glsl_qual) +{ + switch (glsl_qual) { + case INTERP_QUALIFIER_NONE: + case INTERP_QUALIFIER_SMOOTH: + return TGSI_INTERPOLATE_PERSPECTIVE; + case INTERP_QUALIFIER_FLAT: + return TGSI_INTERPOLATE_CONSTANT; + case INTERP_QUALIFIER_NOPERSPECTIVE: + return TGSI_INTERPOLATE_LINEAR; + } + assert(0); + return TGSI_INTERPOLATE_PERSPECTIVE; +} /** * Translate a Mesa fragment shader into a TGSI shader using extra info in @@ -558,7 +572,7 @@ st_translate_fragment_program(struct st_context *st, if (attr == FRAG_ATTRIB_PNTC) interpMode[slot] = TGSI_INTERPOLATE_LINEAR; else - interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; + interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr]); break; } } -- cgit v1.2.3