In that case, the writes need two times the size of a 32-bit value. We need to adjust the exec_size, so it is not breaking any hardware rule.
Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> --- src/mesa/drivers/dri/i965/brw_fs.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 059edc6..85d430c 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -4655,7 +4655,13 @@ get_lowered_simd_width(const struct brw_device_info *devinfo, case SHADER_OPCODE_MOV_INDIRECT: /* Prior to Broadwell, we only have 8 address subregisters */ - return devinfo->gen < 8 ? 8 : MIN2(inst->exec_size, 16); + if (devinfo->gen < 8) + return 8; + + if (inst->exec_size < 16) + return inst->exec_size; + else + return MIN2(inst->exec_size / (type_sz(inst->dst.type) / 4), 16); default: return inst->exec_size; -- 2.5.0 _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
