From e620f3e763f69245531d605ff383f160bd0c0e8c Mon Sep 17 00:00:00 2001 From: Olivier Galibert Date: Sun, 24 Jun 2012 11:18:18 +0200 Subject: [PATCH] mesa/st: gl_ClipDistance must be interpolated in 3d space. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit That old bug was hidden but the clipper always interpolating in 3d space no matter what it should have been doing. Now that the interpolation has been fixed, the bug shows up. Fixes fdo 51364. Signed-off-by: Olivier Galibert Signed-off-by: José Fonseca --- src/mesa/state_tracker/st_program.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index e6664fb7cc2..9f98298b4a0 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -569,12 +569,12 @@ st_translate_fragment_program(struct st_context *st, case FRAG_ATTRIB_CLIP_DIST0: input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; input_semantic_index[slot] = 0; - interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; break; case FRAG_ATTRIB_CLIP_DIST1: input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; input_semantic_index[slot] = 1; - interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; break; /* In most cases, there is nothing special about these * inputs, so adopt a convention to use the generic -- 2.30.2