diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vs_tnl.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_tnl.c | 12 |
1 files changed, 10 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 93305424c1..aecdd4bc31 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_tnl.c +++ b/src/mesa/drivers/dri/i965/brw_vs_tnl.c @@ -1000,13 +1000,19 @@ 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); + + /* In homogeneous object coordinates + */ + emit_op1(p, OPCODE_RCP, dist, 0, swizzle1(Ppli, W)); + 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. @@ -1038,6 +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: @@ -1621,7 +1628,8 @@ const struct brw_tracked_state brw_tnl_vertprog = { _NEW_FOG | _NEW_HINT | _NEW_POINT | - _NEW_TEXTURE), + _NEW_TEXTURE | + _NEW_TEXTURE_MATRIX), .brw = (BRW_NEW_FRAGMENT_PROGRAM | BRW_NEW_INPUT_VARYING), .cache = 0 |