From eb459814b7e7adc8b5f0062128f4ea4ff68b07cf Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 7 Nov 2008 10:23:22 -0700 Subject: [PATCH] mesa: use _bfc0 instead of _col0 when building back face lighting. cherry-picked from master: 4550b0562d5b59890fccb0e7eb0dbef967d1ccf9 --- src/mesa/main/ffvertex_prog.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c index dff4306322d..9ac8328ef0e 100644 --- a/src/mesa/main/ffvertex_prog.c +++ b/src/mesa/main/ffvertex_prog.c @@ -1308,14 +1308,13 @@ static void build_lighting( struct tnl_program *p ) } else if (!p->state->material_shininess_is_zero) { emit_op1(p, OPCODE_LIT, lit, 0, dots); - emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0); + emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0); } else { emit_degenerate_lit(p, lit, dots); - emit_op2(p, OPCODE_ADD, _col0, 0, ambient, _col0); + emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0); } - emit_op2(p, OPCODE_ADD, _bfc0, 0, ambient, _bfc0); emit_op3(p, OPCODE_MAD, res0, mask0, swizzle1(lit,Y), diffuse, _bfc0); emit_op3(p, OPCODE_MAD, res1, mask1, swizzle1(lit,Z), specular, _bfc1); -- 2.30.2