From d25aaf1cb1688b38b2a4025dbbff26d74291723c Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Thu, 11 Sep 2014 16:13:15 -0700 Subject: [PATCH] i965/fs: Use the GRF for UNTYPED_ATOMIC instructions Signed-off-by: Jason Ekstrand Reviewed-by: Matt Turner --- src/mesa/drivers/dri/i965/brw_eu.h | 2 +- src/mesa/drivers/dri/i965/brw_eu_emit.c | 4 +- src/mesa/drivers/dri/i965/brw_fs.cpp | 3 ++ src/mesa/drivers/dri/i965/brw_fs.h | 1 + .../drivers/dri/i965/brw_fs_generator.cpp | 8 ++-- src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 43 +++++++++++-------- 6 files changed, 36 insertions(+), 25 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_eu.h b/src/mesa/drivers/dri/i965/brw_eu.h index db40497751a..c14bbd961ab 100644 --- a/src/mesa/drivers/dri/i965/brw_eu.h +++ b/src/mesa/drivers/dri/i965/brw_eu.h @@ -390,7 +390,7 @@ void brw_CMP(struct brw_compile *p, void brw_untyped_atomic(struct brw_compile *p, struct brw_reg dest, - struct brw_reg mrf, + struct brw_reg payload, unsigned atomic_op, unsigned bind_table_index, unsigned msg_length, diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index e4488fc8ead..da3c31623db 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -2714,7 +2714,7 @@ brw_set_dp_untyped_atomic_message(struct brw_compile *p, void brw_untyped_atomic(struct brw_compile *p, struct brw_reg dest, - struct brw_reg mrf, + struct brw_reg payload, unsigned atomic_op, unsigned bind_table_index, unsigned msg_length, @@ -2723,7 +2723,7 @@ brw_untyped_atomic(struct brw_compile *p, brw_inst *insn = brw_next_insn(p, BRW_OPCODE_SEND); brw_set_dest(p, insn, retype(dest, BRW_REGISTER_TYPE_UD)); - brw_set_src0(p, insn, retype(mrf, BRW_REGISTER_TYPE_UD)); + brw_set_src0(p, insn, retype(payload, BRW_REGISTER_TYPE_UD)); brw_set_src1(p, insn, brw_imm_d(0)); brw_set_dp_untyped_atomic_message( p, insn, atomic_op, bind_table_index, msg_length, response_length, diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 1487e664646..13f673baa34 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -507,6 +507,7 @@ fs_inst::is_send_from_grf() const case FS_OPCODE_INTERPOLATE_AT_SAMPLE: case FS_OPCODE_INTERPOLATE_AT_SHARED_OFFSET: case FS_OPCODE_INTERPOLATE_AT_PER_SLOT_OFFSET: + case SHADER_OPCODE_UNTYPED_ATOMIC: return true; case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD: return src[1].file == GRF; @@ -913,6 +914,8 @@ fs_inst::regs_read(fs_visitor *v, int arg) const { if (is_tex() && arg == 0 && src[0].file == GRF) { return mlen; + } else if (opcode == SHADER_OPCODE_UNTYPED_ATOMIC && arg == 0) { + return mlen; } switch (src[arg].file) { diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index 57c5dc3fe47..7639e2f2b25 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -743,6 +743,7 @@ private: void generate_untyped_atomic(fs_inst *inst, struct brw_reg dst, + struct brw_reg payload, struct brw_reg atomic_op, struct brw_reg surf_index); diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp index 7c6f487c67c..9d15c760727 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp @@ -1472,6 +1472,7 @@ fs_generator::generate_shader_time_add(fs_inst *inst, void fs_generator::generate_untyped_atomic(fs_inst *inst, struct brw_reg dst, + struct brw_reg payload, struct brw_reg atomic_op, struct brw_reg surf_index) { @@ -1480,9 +1481,8 @@ fs_generator::generate_untyped_atomic(fs_inst *inst, struct brw_reg dst, surf_index.file == BRW_IMMEDIATE_VALUE && surf_index.type == BRW_REGISTER_TYPE_UD); - brw_untyped_atomic(p, dst, brw_message_reg(inst->base_mrf), - atomic_op.dw1.ud, surf_index.dw1.ud, - inst->mlen, dispatch_width / 8); + brw_untyped_atomic(p, dst, payload, atomic_op.dw1.ud, surf_index.dw1.ud, + inst->mlen, inst->exec_size / 8); brw_mark_surface_used(prog_data, surf_index.dw1.ud); } @@ -1898,7 +1898,7 @@ fs_generator::generate_code(const cfg_t *cfg) break; case SHADER_OPCODE_UNTYPED_ATOMIC: - generate_untyped_atomic(inst, dst, src[0], src[1]); + generate_untyped_atomic(inst, dst, src[0], src[1], src[2]); break; case SHADER_OPCODE_UNTYPED_SURFACE_READ: diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp index 5822f2293e4..4375ca85b42 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp @@ -2729,46 +2729,53 @@ fs_visitor::emit_untyped_atomic(unsigned atomic_op, unsigned surf_index, bool uses_kill = (stage == MESA_SHADER_FRAGMENT) && ((brw_wm_prog_data*) this->prog_data)->uses_kill; - const unsigned operand_len = dispatch_width / 8; - unsigned mlen = 0; - fs_inst *inst; + int reg_width = dispatch_width / 8; + int length = 0; + fs_reg *sources = ralloc_array(mem_ctx, fs_reg, 4); + + sources[0] = fs_reg(GRF, virtual_grf_alloc(1), BRW_REGISTER_TYPE_UD); /* Initialize the sample mask in the message header. */ - emit(MOV(brw_uvec_mrf(8, mlen, 0), fs_reg(0u))) + emit(MOV(sources[0], fs_reg(0u))) ->force_writemask_all = true; if (uses_kill) { - emit(MOV(brw_uvec_mrf(1, mlen, 7), brw_flag_reg(0, 1))) + emit(MOV(component(sources[0], 7), brw_flag_reg(0, 1))) ->force_writemask_all = true; } else { - emit(MOV(brw_uvec_mrf(1, mlen, 7), + emit(MOV(component(sources[0], 7), retype(brw_vec1_grf(1, 7), BRW_REGISTER_TYPE_UD))) ->force_writemask_all = true; } - - mlen++; + length++; /* Set the atomic operation offset. */ - emit(MOV(brw_uvec_mrf(dispatch_width, mlen, 0), offset)); - mlen += operand_len; + sources[1] = fs_reg(this, glsl_type::uint_type); + emit(MOV(sources[1], offset)); + length++; /* Set the atomic operation arguments. */ if (src0.file != BAD_FILE) { - emit(MOV(brw_uvec_mrf(dispatch_width, mlen, 0), src0)); - mlen += operand_len; + sources[length] = fs_reg(this, glsl_type::uint_type); + emit(MOV(sources[length], src0)); + length++; } if (src1.file != BAD_FILE) { - emit(MOV(brw_uvec_mrf(dispatch_width, mlen, 0), src1)); - mlen += operand_len; + sources[length] = fs_reg(this, glsl_type::uint_type); + emit(MOV(sources[length], src1)); + length++; } + int mlen = 1 + (length - 1) * reg_width; + fs_reg src_payload = fs_reg(GRF, virtual_grf_alloc(mlen), + BRW_REGISTER_TYPE_UD); + emit(LOAD_PAYLOAD(src_payload, sources, length)); + /* Emit the instruction. */ - inst = emit(SHADER_OPCODE_UNTYPED_ATOMIC, dst, - fs_reg(atomic_op), fs_reg(surf_index)); - inst->base_mrf = 0; + fs_inst *inst = emit(SHADER_OPCODE_UNTYPED_ATOMIC, dst, src_payload, + fs_reg(atomic_op), fs_reg(surf_index)); inst->mlen = mlen; - inst->header_present = true; } void -- 2.30.2