diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4.h | 4 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp | 35 |
2 files changed, 38 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h index 3bfe8e4d834..a86972a8d45 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4.h +++ b/src/mesa/drivers/dri/i965/brw_vec4.h @@ -783,6 +783,10 @@ private: struct brw_reg dst, struct brw_reg index, struct brw_reg offset); + void generate_untyped_atomic(vec4_instruction *ir, + struct brw_reg dst, + struct brw_reg atomic_op, + struct brw_reg surf_index); void generate_untyped_surface_read(vec4_instruction *ir, struct brw_reg dst, struct brw_reg surf_index); diff --git a/src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp b/src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp index 1c4823d9254..1d833120d77 100644 --- a/src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp +++ b/src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp @@ -456,6 +456,39 @@ gen8_vec4_generator::generate_pull_constant_load(vec4_instruction *inst, } void +gen8_vec4_generator::generate_untyped_atomic(vec4_instruction *ir, + struct brw_reg dst, + struct brw_reg atomic_op, + struct brw_reg surf_index) +{ + assert(atomic_op.file == BRW_IMMEDIATE_VALUE && + atomic_op.type == BRW_REGISTER_TYPE_UD && + surf_index.file == BRW_IMMEDIATE_VALUE && + surf_index.type == BRW_REGISTER_TYPE_UD); + assert((atomic_op.dw1.ud & ~0xf) == 0); + + unsigned msg_control = + atomic_op.dw1.ud | /* Atomic Operation Type: BRW_AOP_* */ + (1 << 5); /* Return data expected */ + + gen8_instruction *inst = next_inst(BRW_OPCODE_SEND); + gen8_set_dst(brw, inst, retype(dst, BRW_REGISTER_TYPE_UD)); + gen8_set_src0(brw, inst, brw_message_reg(ir->base_mrf)); + gen8_set_dp_message(brw, inst, HSW_SFID_DATAPORT_DATA_CACHE_1, + surf_index.dw1.ud, + HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP_SIMD4X2, + msg_control, + ir->mlen, + 1, + ir->header_present, + false); + + brw_mark_surface_used(&prog_data->base, surf_index.dw1.ud); +} + + + +void gen8_vec4_generator::generate_untyped_surface_read(vec4_instruction *ir, struct brw_reg dst, struct brw_reg surf_index) @@ -785,7 +818,7 @@ gen8_vec4_generator::generate_vec4_instruction(vec4_instruction *instruction, break; case SHADER_OPCODE_UNTYPED_ATOMIC: - assert(!"XXX: Missing Gen8 vec4 support for UNTYPED_ATOMIC"); + generate_untyped_atomic(ir, dst, src[0], src[1]); break; case SHADER_OPCODE_UNTYPED_SURFACE_READ: |