diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-10-13 14:39:30 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2013-10-14 09:44:37 +0100 |
| commit | 8909f7423567a6902320c1a2e83abd501223fb84 (patch) | |
| tree | a55ca142bc46349c87bcb34f2c09c97360bff660 | |
| parent | 21577742e75165cb2bf34b1cab5bb2c3794c5b49 (diff) | |
sna/gen6+: Fix calculation of 1/z for projective textures
A typo crept in causing the shader to read from the wrong temporaries
for the invert operation.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/brw/brw_wm.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/sna/brw/brw_wm.c b/src/sna/brw/brw_wm.c index e8dc6ac4..03a45d9d 100644 --- a/src/sna/brw/brw_wm.c +++ b/src/sna/brw/brw_wm.c @@ -521,7 +521,7 @@ static void brw_wm_projective_st(struct brw_compile *p, int dw, if (p->gen >= 060) { /* First compute 1/z */ brw_PLN(p, - brw_message_reg(msg), + brw_vec8_grf(30, 0), brw_vec1_grf(uv+1, 0), brw_vec8_grf(2, 0)); @@ -531,23 +531,23 @@ static void brw_wm_projective_st(struct brw_compile *p, int dw, brw_math_invert(p, brw_vec8_grf(31, 0), brw_vec8_grf(31, 0)); brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED); } else - brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0)); + brw_math_invert(p, brw_vec8_grf(30, 0), brw_message_reg(msg)); + brw_PLN(p, - brw_vec8_grf(28, 0), + brw_vec8_grf(26, 0), brw_vec1_grf(uv, 0), brw_vec8_grf(2, 0)); - brw_MUL(p, - brw_message_reg(msg), - brw_vec8_grf(28, 0), - brw_vec8_grf(30, 0)); - msg += dw/8; - brw_PLN(p, brw_vec8_grf(28, 0), brw_vec1_grf(uv, 0), brw_vec8_grf(4, 0)); + brw_MUL(p, brw_message_reg(msg), + brw_vec8_grf(26, 0), + brw_vec8_grf(30, 0)); + brw_MUL(p, + brw_message_reg(msg + dw/8), brw_vec8_grf(28, 0), brw_vec8_grf(30, 0)); } else { |