Scalar registers are required to have zero stride, fix the
regs_written calculation not to assume that the instruction writes
zero registers in that case.
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 0a82fb7..bafe438 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -126,7 +126,8 @@ fs_inst::init(enum opcode opcode, uint8_t exec_size, const
fs_reg &dst,
case HW_REG:
case MRF:
case ATTR:
- this->regs_written = (dst.width * dst.stride * type_sz(dst.type) + 31) /
32;
+ this->regs_written =
+ CEILING(MAX2(dst.width * dst.stride, 1) * type_sz(dst.type), 32);
break;
case BAD_FILE:
this->regs_written = 0;
--
2.1.3
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