diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_lower_unnormalized_offset.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_lower_unnormalized_offset.cpp b/src/mesa/drivers/dri/i965/brw_lower_unnormalized_offset.cpp index c95d7f3cac7..8c59b9e415b 100644 --- a/src/mesa/drivers/dri/i965/brw_lower_unnormalized_offset.cpp +++ b/src/mesa/drivers/dri/i965/brw_lower_unnormalized_offset.cpp @@ -66,6 +66,11 @@ brw_lower_unnormalized_offset_visitor::visit_leave(ir_texture *ir) void *mem_ctx = ralloc_parent(ir); if (ir->op == ir_txf) { + /* It appears that the ld instruction used for txf does its + * address bounds check before adding in the offset. To work + * around this, just add the integer offset to the integer texel + * coordinate, and don't put the offset in the header. + */ ir_variable *var = new(mem_ctx) ir_variable(ir->coordinate->type, "coordinate", ir_var_temporary); |