From ce370902d4579ba5908ff3460c07d50eb845445c Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Fri, 13 Jan 2017 14:22:19 -0800 Subject: intel/fs: Fix FB write message control codegen for SIMD32. Reviewed-by: Jason Ekstrand Reviewed-by: Matt Turner --- src/intel/compiler/brw_fs_generator.cpp | 52 +++++++++++++++++++++------------ 1 file changed, 34 insertions(+), 18 deletions(-) diff --git a/src/intel/compiler/brw_fs_generator.cpp b/src/intel/compiler/brw_fs_generator.cpp index ca6577a62ad..b06cd0f576c 100644 --- a/src/intel/compiler/brw_fs_generator.cpp +++ b/src/intel/compiler/brw_fs_generator.cpp @@ -271,17 +271,30 @@ fs_generator::fire_fb_write(fs_inst *inst, brw_pop_insn_state(p); } - if (inst->opcode == FS_OPCODE_REP_FB_WRITE) + if (inst->opcode == FS_OPCODE_REP_FB_WRITE) { + assert(inst->group == 0 && inst->exec_size == 16); msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE_REPLICATED; - else if (prog_data->dual_src_blend) { - if (!inst->group) + + } else if (prog_data->dual_src_blend) { + assert(inst->exec_size == 8); + + if (inst->group % 16 == 0) msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN01; - else + else if (inst->group % 16 == 8) msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN23; - } else if (inst->exec_size == 16) - msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE; - else - msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01; + else + unreachable("Invalid dual-source FB write instruction group"); + + } else { + assert(inst->group == 0 || (inst->group == 16 && inst->exec_size == 16)); + + if (inst->exec_size == 16) + msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE; + else if (inst->exec_size == 8) + msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01; + else + unreachable("Invalid FB write execution size"); + } /* We assume render targets start at 0, because headerless FB write * messages set "Render Target Index" to 0. Using a different binding @@ -289,16 +302,19 @@ fs_generator::fire_fb_write(fs_inst *inst, */ const uint32_t surf_index = inst->target; - brw_fb_WRITE(p, - payload, - retype(implied_header, BRW_REGISTER_TYPE_UW), - msg_control, - surf_index, - nr, - 0, - inst->eot, - inst->last_rt, - inst->header_size != 0); + brw_inst *insn = brw_fb_WRITE(p, + payload, + retype(implied_header, BRW_REGISTER_TYPE_UW), + msg_control, + surf_index, + nr, + 0, + inst->eot, + inst->last_rt, + inst->header_size != 0); + + if (devinfo->gen >= 6) + brw_inst_set_rt_slot_group(devinfo, insn, inst->group / 16); brw_mark_surface_used(&prog_data->base, surf_index); } -- cgit v1.2.3