| /* |
| * Copyright © 2013 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_gs_state(struct brw_context *brw) |
| { |
| const struct gen_device_info *devinfo = &brw->screen->devinfo; |
| const struct brw_stage_state *stage_state = &brw->gs.base; |
| /* BRW_NEW_GEOMETRY_PROGRAM */ |
| bool active = brw->geometry_program; |
| /* BRW_NEW_GS_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_gs_prog_data *gs_prog_data = |
| brw_gs_prog_data(stage_state->prog_data); |
| |
| if (active) { |
| int urb_entry_write_offset = 1; |
| uint32_t urb_entry_output_length = |
| ((vue_prog_data->vue_map.num_slots + 1) / 2 - urb_entry_write_offset); |
| |
| if (urb_entry_output_length == 0) |
| urb_entry_output_length = 1; |
| |
| BEGIN_BATCH(10); |
| OUT_BATCH(_3DSTATE_GS << 16 | (10 - 2)); |
| OUT_BATCH(stage_state->prog_offset); |
| OUT_BATCH(0); |
| OUT_BATCH(gs_prog_data->vertices_in | |
| ((ALIGN(stage_state->sampler_count, 4)/4) << |
| GEN6_GS_SAMPLER_COUNT_SHIFT) | |
| ((prog_data->binding_table.size_bytes / 4) << |
| GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT)); |
| |
| 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); |
| } |
| |
| /* DW6 */ |
| OUT_BATCH(((gs_prog_data->output_vertex_size_hwords * 2 - 1) << |
| GEN7_GS_OUTPUT_VERTEX_SIZE_SHIFT) | |
| (gs_prog_data->output_topology << |
| GEN7_GS_OUTPUT_TOPOLOGY_SHIFT) | |
| (vue_prog_data->include_vue_handles ? |
| GEN7_GS_INCLUDE_VERTEX_HANDLES : 0) | |
| (vue_prog_data->urb_read_length << |
| GEN6_GS_URB_READ_LENGTH_SHIFT) | |
| (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT) | |
| (prog_data->dispatch_grf_start_reg << |
| GEN6_GS_DISPATCH_START_GRF_SHIFT)); |
| |
| uint32_t dw7 = (gs_prog_data->control_data_header_size_hwords << |
| GEN7_GS_CONTROL_DATA_HEADER_SIZE_SHIFT) | |
| SET_FIELD(vue_prog_data->dispatch_mode, |
| GEN7_GS_DISPATCH_MODE) | |
| ((gs_prog_data->invocations - 1) << |
| GEN7_GS_INSTANCE_CONTROL_SHIFT) | |
| GEN6_GS_STATISTICS_ENABLE | |
| (gs_prog_data->include_primitive_id ? |
| GEN7_GS_INCLUDE_PRIMITIVE_ID : 0) | |
| GEN7_GS_REORDER_TRAILING | |
| GEN7_GS_ENABLE; |
| uint32_t dw8 = gs_prog_data->control_data_format << |
| HSW_GS_CONTROL_DATA_FORMAT_SHIFT; |
| |
| if (gs_prog_data->static_vertex_count != -1) { |
| dw8 |= GEN8_GS_STATIC_OUTPUT | |
| SET_FIELD(gs_prog_data->static_vertex_count, |
| GEN8_GS_STATIC_VERTEX_COUNT); |
| } |
| |
| if (brw->gen < 9) |
| dw7 |= (devinfo->max_gs_threads / 2 - 1) << HSW_GS_MAX_THREADS_SHIFT; |
| else |
| dw8 |= devinfo->max_gs_threads - 1; |
| |
| /* DW7 */ |
| OUT_BATCH(dw7); |
| |
| /* DW8 */ |
| OUT_BATCH(dw8); |
| |
| /* DW9 */ |
| OUT_BATCH(vue_prog_data->cull_distance_mask | |
| (urb_entry_output_length << GEN8_GS_URB_OUTPUT_LENGTH_SHIFT) | |
| (urb_entry_write_offset << |
| GEN8_GS_URB_ENTRY_OUTPUT_OFFSET_SHIFT)); |
| ADVANCE_BATCH(); |
| } else { |
| BEGIN_BATCH(10); |
| OUT_BATCH(_3DSTATE_GS << 16 | (10 - 2)); |
| OUT_BATCH(0); /* prog_bo */ |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); /* scratch space base offset */ |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(GEN6_GS_STATISTICS_ENABLE); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| ADVANCE_BATCH(); |
| } |
| } |
| |
| const struct brw_tracked_state gen8_gs_state = { |
| .dirty = { |
| .mesa = 0, |
| .brw = BRW_NEW_BATCH | |
| BRW_NEW_BLORP | |
| BRW_NEW_CONTEXT | |
| BRW_NEW_GEOMETRY_PROGRAM | |
| BRW_NEW_GS_PROG_DATA, |
| }, |
| .emit = gen8_upload_gs_state, |
| }; |