| /* |
| * Copyright © 2009 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. |
| * |
| * Authors: |
| * Eric Anholt <eric@anholt.net> |
| * |
| */ |
| |
| #include "brw_context.h" |
| #include "brw_state.h" |
| #include "brw_defines.h" |
| #include "intel_batchbuffer.h" |
| |
| static void |
| upload_gs_state(struct brw_context *brw) |
| { |
| struct intel_context *intel = &brw->intel; |
| |
| /* Disable all the constant buffers. */ |
| BEGIN_BATCH(5); |
| OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (5 - 2)); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| OUT_BATCH(0); |
| ADVANCE_BATCH(); |
| |
| if (brw->gs.prog_active) { |
| BEGIN_BATCH(7); |
| OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2)); |
| OUT_BATCH(brw->gs.prog_offset); |
| OUT_BATCH(GEN6_GS_SPF_MODE | GEN6_GS_VECTOR_MASK_ENABLE); |
| OUT_BATCH(0); /* no scratch space */ |
| OUT_BATCH((2 << GEN6_GS_DISPATCH_START_GRF_SHIFT) | |
| (brw->gs.prog_data->urb_read_length << GEN6_GS_URB_READ_LENGTH_SHIFT)); |
| OUT_BATCH(((brw->max_gs_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT) | |
| GEN6_GS_STATISTICS_ENABLE | |
| GEN6_GS_SO_STATISTICS_ENABLE | |
| GEN6_GS_RENDERING_ENABLE); |
| OUT_BATCH(GEN6_GS_SVBI_PAYLOAD_ENABLE | |
| GEN6_GS_SVBI_POSTINCREMENT_ENABLE | |
| (brw->gs.prog_data->svbi_postincrement_value << |
| GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT) | |
| GEN6_GS_ENABLE); |
| ADVANCE_BATCH(); |
| } else { |
| BEGIN_BATCH(7); |
| OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2)); |
| OUT_BATCH(0); /* prog_bo */ |
| OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) | |
| (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT)); |
| OUT_BATCH(0); /* scratch space base offset */ |
| OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) | |
| (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) | |
| (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT)); |
| OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) | |
| GEN6_GS_STATISTICS_ENABLE | |
| GEN6_GS_RENDERING_ENABLE); |
| OUT_BATCH(0); |
| ADVANCE_BATCH(); |
| } |
| } |
| |
| const struct brw_tracked_state gen6_gs_state = { |
| .dirty = { |
| .mesa = _NEW_TRANSFORM, |
| .brw = BRW_NEW_CONTEXT, |
| .cache = CACHE_NEW_GS_PROG |
| }, |
| .emit = upload_gs_state, |
| }; |