diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp index 0959e47ad8d..8967a6ce321 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp @@ -1103,13 +1103,18 @@ fs_visitor::emit_texture_gen7(ir_texture *ir, fs_reg dst, fs_reg coordinate, coordinate.reg_offset++; mlen += reg_width; - emit(MOV(fs_reg(MRF, base_mrf + mlen), lod)); - lod.reg_offset++; - mlen += reg_width; - - emit(MOV(fs_reg(MRF, base_mrf + mlen), lod2)); - lod2.reg_offset++; - mlen += reg_width; + /* For cube map array, the coordinate is (u,v,r,ai) but there are + * only derivatives for (u, v, r). + */ + if (i < ir->lod_info.grad.dPdx->type->vector_elements) { + emit(MOV(fs_reg(MRF, base_mrf + mlen), lod)); + lod.reg_offset++; + mlen += reg_width; + + emit(MOV(fs_reg(MRF, base_mrf + mlen), lod2)); + lod2.reg_offset++; + mlen += reg_width; + } } break; } |