From 60a45b03c389f708c513bb2b70c5973175f01068 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Fri, 24 Sep 2010 10:30:52 +0100 Subject: [PATCH] llvmpipe: handle FACING interpolants in line and point setup --- src/gallium/drivers/llvmpipe/lp_setup_line.c | 6 ++++++ src/gallium/drivers/llvmpipe/lp_setup_point.c | 16 +++++++++++++--- 2 files changed, 19 insertions(+), 3 deletions(-) diff --git a/src/gallium/drivers/llvmpipe/lp_setup_line.c b/src/gallium/drivers/llvmpipe/lp_setup_line.c index 829eb8a5a04..156bd633754 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_line.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_line.c @@ -208,6 +208,12 @@ static void setup_line_coefficients( struct lp_setup_context *setup, fragcoord_usage_mask |= usage_mask; break; + case LP_INTERP_FACING: + for (i = 0; i < NUM_CHANNELS; i++) + if (usage_mask & (1 << i)) + constant_coef(setup, tri, slot+1, 1.0, i); + break; + default: assert(0); } diff --git a/src/gallium/drivers/llvmpipe/lp_setup_point.c b/src/gallium/drivers/llvmpipe/lp_setup_point.c index 2c354d1d0ed..a95c15751cc 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_point.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_point.c @@ -232,13 +232,23 @@ setup_point_coefficients( struct lp_setup_context *setup, break; } } - - /* Otherwise fallthrough */ - default: + /* FALLTHROUGH */ + case LP_INTERP_CONSTANT: for (i = 0; i < NUM_CHANNELS; i++) { if (usage_mask & (1 << i)) constant_coef(setup, point, slot+1, info->v0[vert_attr][i], i); } + break; + + case LP_INTERP_FACING: + for (i = 0; i < NUM_CHANNELS; i++) + if (usage_mask & (1 << i)) + constant_coef(setup, point, slot+1, 1.0, i); + break; + + default: + assert(0); + break; } } -- 2.30.2