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mesa: use _bfc0 instead of _col0 when building back face lighting.

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This commit is contained in:
Xiang, Haihao 2008-11-07 14:58:04 +08:00
parent 035c0cf71a
commit 4550b0562d
1 changed files with 2 additions and 3 deletions
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5
src/mesa/main/ffvertex_prog.c
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@ -1296,14 +1296,13 @@ 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);