| /* |
| * Copyright © 2014 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #include "brw_context.h" |
| #include "brw_state.h" |
| #include "brw_defines.h" |
| #include "intel_batchbuffer.h" |
| |
| static void |
| gen8_upload_ds_state(struct brw_context *brw) |
| { |
| const struct gen_device_info *devinfo = &brw->screen->devinfo; |
| const struct brw_stage_state *stage_state = &brw->tes.base; |
| /* BRW_NEW_TESS_PROGRAMS */ |
| bool active = brw->tess_eval_program; |
| |
| /* BRW_NEW_TES_PROG_DATA */ |
| const struct brw_stage_prog_data *prog_data = stage_state->prog_data; |
| const struct brw_vue_prog_data *vue_prog_data = |
| brw_vue_prog_data(stage_state->prog_data); |
| const struct brw_tes_prog_data *tes_prog_data = |
| brw_tes_prog_data(stage_state->prog_data); |
| const int ds_pkt_len = brw->gen >= 9 ? 11 : 9; |
| |
| if (active) { |
| BEGIN_BATCH(ds_pkt_len); |
| OUT_BATCH(_3DSTATE_DS << 16 | (ds_pkt_len - 2)); |
| OUT_BATCH(stage_state->prog_offset); |
| OUT_BATCH(0); |
| OUT_BATCH(SET_FIELD(DIV_ROUND_UP(stage_state->sampler_count, 4), |
| GEN7_DS_SAMPLER_COUNT) | |
| SET_FIELD(prog_data->binding_table.size_bytes / 4, |
| GEN7_DS_BINDING_TABLE_ENTRY_COUNT)); |
| if (prog_data->total_scratch) { |
| OUT_RELOC64(stage_state->scratch_bo, |
| I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, |
| ffs(stage_state->per_thread_scratch) - 11); |
| } else { |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| } |
| OUT_BATCH(SET_FIELD(prog_data->dispatch_grf_start_reg, |
| GEN7_DS_DISPATCH_START_GRF) | |
| SET_FIELD(vue_prog_data->urb_read_length, |
| GEN7_DS_URB_READ_LENGTH)); |
| |
| OUT_BATCH(GEN7_DS_ENABLE | |
| GEN7_DS_STATISTICS_ENABLE | |
| (devinfo->max_tes_threads - 1) << HSW_DS_MAX_THREADS_SHIFT | |
| (vue_prog_data->dispatch_mode == DISPATCH_MODE_SIMD8 ? |
| GEN7_DS_SIMD8_DISPATCH_ENABLE : 0) | |
| (tes_prog_data->domain == BRW_TESS_DOMAIN_TRI ? |
| GEN7_DS_COMPUTE_W_COORDINATE_ENABLE : 0)); |
| OUT_BATCH(SET_FIELD(vue_prog_data->cull_distance_mask, |
| GEN8_DS_USER_CULL_DISTANCE)); |
| |
| |
| if (brw->gen >= 9) { |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| } |
| |
| ADVANCE_BATCH(); |
| } else { |
| BEGIN_BATCH(ds_pkt_len); |
| OUT_BATCH(_3DSTATE_DS << 16 | (ds_pkt_len - 2)); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| |
| if (brw->gen >= 9) { |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| } |
| |
| ADVANCE_BATCH(); |
| } |
| |
| brw->tes.enabled = active; |
| } |
| |
| const struct brw_tracked_state gen8_ds_state = { |
| .dirty = { |
| .mesa = 0, |
| .brw = BRW_NEW_BATCH | |
| BRW_NEW_BLORP | |
| BRW_NEW_TESS_PROGRAMS | |
| BRW_NEW_TES_PROG_DATA, |
| }, |
| .emit = gen8_upload_ds_state, |
| }; |
