diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 00d937e30a7..bd026de0c57 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -4448,6 +4448,14 @@ lower_varying_pull_constant_logical_send(const fs_builder &bld, fs_inst *inst) const brw_device_info *devinfo = bld.shader->devinfo; if (devinfo->gen >= 7) { + /* We are switching the instruction from an ALU-like instruction to a + * send-from-grf instruction. Since sends can't handle strides or + * source modifiers, we have to make a copy of the offset source. + */ + fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_UD); + bld.MOV(tmp, inst->src[1]); + inst->src[1] = tmp; + inst->opcode = FS_OPCODE_VARYING_PULL_CONSTANT_LOAD_GEN7; } else { |