diff options
| -rw-r--r-- | src/intel/compiler/brw_fs_generator.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/intel/compiler/brw_fs_generator.cpp b/src/intel/compiler/brw_fs_generator.cpp index bcb6608d3ae..bc15fd11d96 100644 --- a/src/intel/compiler/brw_fs_generator.cpp +++ b/src/intel/compiler/brw_fs_generator.cpp @@ -143,6 +143,19 @@ brw_reg_from_fs_reg(const struct gen_device_info *devinfo, fs_inst *inst, unreachable("not reached"); } + /* On HSW+, scalar DF sources can be accessed using the normal <0,1,0> + * region, but on IVB and BYT DF regions must be programmed in terms of + * floats. A <0,2,1> region accomplishes this. + */ + if (devinfo->gen == 7 && !devinfo->is_haswell && + type_sz(reg->type) == 8 && + brw_reg.vstride == BRW_VERTICAL_STRIDE_0 && + brw_reg.width == BRW_WIDTH_1 && + brw_reg.hstride == BRW_HORIZONTAL_STRIDE_0) { + brw_reg.width = BRW_WIDTH_2; + brw_reg.hstride = BRW_HORIZONTAL_STRIDE_1; + } + return brw_reg; } |