diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_defines.h | 12 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_cse.cpp | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 22 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 16 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_shader.cpp | 4 |
5 files changed, 56 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index 10a6d39db85..01e0c99e440 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -1085,6 +1085,18 @@ enum opcode { */ SHADER_OPCODE_BROADCAST, + /** + * Pick the byte from its first source register given by the index + * specified as second source. + */ + SHADER_OPCODE_EXTRACT_BYTE, + + /** + * Pick the word from its first source register given by the index + * specified as second source. + */ + SHADER_OPCODE_EXTRACT_WORD, + VEC4_OPCODE_MOV_BYTES, VEC4_OPCODE_PACK_BYTES, VEC4_OPCODE_UNPACK_UNIFORM, diff --git a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp index 3b65a382dc8..cde6566c05c 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp @@ -78,6 +78,8 @@ is_expression(const fs_visitor *v, const fs_inst *const inst) case FS_OPCODE_LINTERP: case SHADER_OPCODE_FIND_LIVE_CHANNEL: case SHADER_OPCODE_BROADCAST: + case SHADER_OPCODE_EXTRACT_BYTE: + case SHADER_OPCODE_EXTRACT_WORD: case SHADER_OPCODE_MOV_INDIRECT: return true; case SHADER_OPCODE_RCP: diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp index e05622ae7a8..1916a995020 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp @@ -2201,6 +2201,28 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width) brw_broadcast(p, dst, src[0], src[1]); break; + case SHADER_OPCODE_EXTRACT_BYTE: { + assert(src[0].type == BRW_REGISTER_TYPE_D || + src[0].type == BRW_REGISTER_TYPE_UD); + + enum brw_reg_type type = + src[0].type == BRW_REGISTER_TYPE_D ? BRW_REGISTER_TYPE_B + : BRW_REGISTER_TYPE_UB; + brw_MOV(p, dst, spread(suboffset(retype(src[0], type), src[1].ud), 4)); + break; + } + + case SHADER_OPCODE_EXTRACT_WORD: { + assert(src[0].type == BRW_REGISTER_TYPE_D || + src[0].type == BRW_REGISTER_TYPE_UD); + + enum brw_reg_type type = + src[0].type == BRW_REGISTER_TYPE_D ? BRW_REGISTER_TYPE_W + : BRW_REGISTER_TYPE_UW; + brw_MOV(p, dst, spread(suboffset(retype(src[0], type), src[1].ud), 2)); + break; + } + case FS_OPCODE_SET_SAMPLE_ID: generate_set_sample_id(inst, dst, src[0], src[1]); break; diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index 68a86a9a85e..0efb2fa9aa3 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -1079,6 +1079,22 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr) inst->predicate = BRW_PREDICATE_NORMAL; break; + case nir_op_extract_u8: + case nir_op_extract_i8: { + nir_const_value *byte = nir_src_as_const_value(instr->src[1].src); + bld.emit(SHADER_OPCODE_EXTRACT_BYTE, + result, op[0], brw_imm_ud(byte->u[0])); + break; + } + + case nir_op_extract_u16: + case nir_op_extract_i16: { + nir_const_value *word = nir_src_as_const_value(instr->src[1].src); + bld.emit(SHADER_OPCODE_EXTRACT_WORD, + result, op[0], brw_imm_ud(word->u[0])); + break; + } + default: unreachable("unhandled instruction"); } diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp index e42601b6f3e..6a6efa9aea2 100644 --- a/src/mesa/drivers/dri/i965/brw_shader.cpp +++ b/src/mesa/drivers/dri/i965/brw_shader.cpp @@ -312,6 +312,10 @@ brw_instruction_name(enum opcode op) case SHADER_OPCODE_BROADCAST: return "broadcast"; + case SHADER_OPCODE_EXTRACT_BYTE: + return "extract_byte"; + case SHADER_OPCODE_EXTRACT_WORD: + return "extract_word"; case VEC4_OPCODE_MOV_BYTES: return "mov_bytes"; case VEC4_OPCODE_PACK_BYTES: |