diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 35 |
2 files changed, 36 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index 3d82adc..4adde66 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -557,6 +557,7 @@ private: GLuint nr); void generate_fb_write(fs_inst *inst, struct brw_reg payload); void generate_urb_write(fs_inst *inst, struct brw_reg payload); + void generate_cs_terminate(fs_inst *inst, struct brw_reg payload); void generate_blorp_fb_write(fs_inst *inst); void generate_linterp(fs_inst *inst, struct brw_reg dst, struct brw_reg *src); diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp index 3bfee7e..9ddba3a 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp @@ -370,6 +370,37 @@ fs_generator::generate_urb_write(fs_inst *inst, struct brw_reg payload) } void +fs_generator::generate_cs_terminate(fs_inst *inst, struct brw_reg payload) +{ + struct brw_inst *insn; + + insn = brw_next_insn(p, BRW_OPCODE_SEND); + + brw_set_dest(p, insn, brw_null_reg()); + brw_set_src0(p, insn, payload); + brw_set_src1(p, insn, brw_imm_d(0)); + + /* Terminate a compute shader by sending a message to the thread spawner. + */ + brw_inst_set_sfid(devinfo, insn, BRW_SFID_THREAD_SPAWNER); + brw_inst_set_mlen(devinfo, insn, 1); + brw_inst_set_rlen(devinfo, insn, 0); + brw_inst_set_eot(devinfo, insn, inst->eot); + brw_inst_set_header_present(devinfo, insn, false); + + brw_inst_set_ts_opcode(devinfo, insn, 0); /* Dereference resource */ + brw_inst_set_ts_request_type(devinfo, insn, 0); /* Root thread */ + + /* Note that even though the thread has a URB resource associated with it, + * we set the "do not dereference URB" bit, because the URB resource is + * managed by the fixed-function unit, so it will free it automatically. + */ + brw_inst_set_ts_resource_select(devinfo, insn, 1); /* Do not dereference URB */ + + brw_inst_set_mask_control(devinfo, insn, BRW_MASK_DISABLE); +} + +void fs_generator::generate_blorp_fb_write(fs_inst *inst) { brw_fb_WRITE(p, @@ -2074,6 +2105,10 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width) GEN7_PIXEL_INTERPOLATOR_LOC_PER_SLOT_OFFSET); break; + case CS_OPCODE_CS_TERMINATE: + generate_cs_terminate(inst, src[0]); + break; + default: unreachable("Unsupported opcode"); |