| /* |
| * Copyright © 2011 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 "brw_util.h" |
| #include "program/prog_parameter.h" |
| #include "program/prog_statevars.h" |
| #include "intel_batchbuffer.h" |
| |
| static void |
| upload_vs_state(struct brw_context *brw) |
| { |
| const struct gen_device_info *devinfo = &brw->screen->devinfo; |
| const struct brw_stage_state *stage_state = &brw->vs.base; |
| 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); |
| uint32_t floating_point_mode = 0; |
| const int max_threads_shift = brw->is_haswell ? |
| HSW_VS_MAX_THREADS_SHIFT : GEN6_VS_MAX_THREADS_SHIFT; |
| |
| if (!brw->is_haswell && !brw->is_baytrail) |
| gen7_emit_vs_workaround_flush(brw); |
| |
| if (prog_data->use_alt_mode) |
| floating_point_mode = GEN6_VS_FLOATING_POINT_MODE_ALT; |
| |
| BEGIN_BATCH(6); |
| OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2)); |
| OUT_BATCH(stage_state->prog_offset); |
| OUT_BATCH(floating_point_mode | |
| ((ALIGN(stage_state->sampler_count, 4)/4) << |
| GEN6_VS_SAMPLER_COUNT_SHIFT) | |
| ((prog_data->binding_table.size_bytes / 4) << |
| GEN6_VS_BINDING_TABLE_ENTRY_COUNT_SHIFT)); |
| |
| if (prog_data->total_scratch) { |
| OUT_RELOC(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((prog_data->dispatch_grf_start_reg << |
| GEN6_VS_DISPATCH_START_GRF_SHIFT) | |
| (vue_prog_data->urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) | |
| (0 << GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT)); |
| |
| OUT_BATCH(((devinfo->max_vs_threads - 1) << max_threads_shift) | |
| GEN6_VS_STATISTICS_ENABLE | |
| GEN6_VS_ENABLE); |
| ADVANCE_BATCH(); |
| } |
| |
| const struct brw_tracked_state gen7_vs_state = { |
| .dirty = { |
| .mesa = 0, |
| .brw = BRW_NEW_BATCH | |
| BRW_NEW_BLORP | |
| BRW_NEW_CONTEXT | |
| BRW_NEW_VS_PROG_DATA, |
| }, |
| .emit = upload_vs_state, |
| }; |
