diff options
| author | Xiang, Haihao <haihao.xiang@intel.com> | 2007-09-01 15:43:15 +0800 |
|---|---|---|
| committer | Xiang, Haihao <haihao.xiang@intel.com> | 2007-09-01 15:43:15 +0800 |
| commit | cb7da3f09655f9c66eabb6a38f581c9176980cd2 (patch) | |
| tree | 7edb295f3ee844ebf36791373dbd227630f597e8 /src/mesa/drivers/dri | |
| parent | 6dd98e9853a6984150aa47467112e016c40a4ab4 (diff) | |
i965: Correct build_lighting in i965 driver according to
commit 6dd98e9853a6984150aa47467112e016c40a4ab4.
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_tnl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_tnl.c b/src/mesa/drivers/dri/i965/brw_vs_tnl.c index 339a330448..2ed80dc36e 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_tnl.c +++ b/src/mesa/drivers/dri/i965/brw_vs_tnl.c @@ -1000,6 +1000,7 @@ static void build_lighting( struct tnl_program *p ) STATE_POSITION); struct ureg V = get_eye_position(p); struct ureg dist = get_temp(p); + struct ureg tmpPpli = get_temp(p); VPpli = get_temp(p); half = get_temp(p); @@ -1007,11 +1008,11 @@ static void build_lighting( struct tnl_program *p ) /* In homogeneous object coordinates */ emit_op1(p, OPCODE_RCP, dist, 0, swizzle1(Ppli, W)); - emit_op2(p, OPCODE_MUL, Ppli, 0, Ppli, dist); + emit_op2(p, OPCODE_MUL, tmpPpli, 0, Ppli, dist); /* Calulate VPpli vector */ - emit_op2(p, OPCODE_SUB, VPpli, 0, Ppli, V); + emit_op2(p, OPCODE_SUB, VPpli, 0, tmpPpli, V); /* Normalize VPpli. The dist value also used in * attenuation below. @@ -1043,6 +1044,7 @@ static void build_lighting( struct tnl_program *p ) emit_normalize_vec3(p, half, half); release_temp(p, dist); + release_temp(p, tmpPpli); } /* Calculate dot products: |