1 /* 2 * Copyright 2009 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 * Authors: 24 * Eric Anholt <eric (at) anholt.net> 25 * 26 */ 27 28 #include "brw_context.h" 29 #include "brw_state.h" 30 #include "brw_defines.h" 31 #include "intel_batchbuffer.h" 32 33 static void 34 upload_gs_state(struct brw_context *brw) 35 { 36 struct intel_context *intel = &brw->intel; 37 38 /* Disable all the constant buffers. */ 39 BEGIN_BATCH(5); 40 OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (5 - 2)); 41 OUT_BATCH(0); 42 OUT_BATCH(0); 43 OUT_BATCH(0); 44 OUT_BATCH(0); 45 ADVANCE_BATCH(); 46 47 if (brw->gs.prog_active) { 48 BEGIN_BATCH(7); 49 OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2)); 50 OUT_BATCH(brw->gs.prog_offset); 51 OUT_BATCH(GEN6_GS_SPF_MODE | GEN6_GS_VECTOR_MASK_ENABLE); 52 OUT_BATCH(0); /* no scratch space */ 53 OUT_BATCH((2 << GEN6_GS_DISPATCH_START_GRF_SHIFT) | 54 (brw->gs.prog_data->urb_read_length << GEN6_GS_URB_READ_LENGTH_SHIFT)); 55 OUT_BATCH(((brw->max_gs_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT) | 56 GEN6_GS_STATISTICS_ENABLE | 57 GEN6_GS_SO_STATISTICS_ENABLE | 58 GEN6_GS_RENDERING_ENABLE); 59 OUT_BATCH(GEN6_GS_SVBI_PAYLOAD_ENABLE | 60 GEN6_GS_SVBI_POSTINCREMENT_ENABLE | 61 (brw->gs.prog_data->svbi_postincrement_value << 62 GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT) | 63 GEN6_GS_ENABLE); 64 ADVANCE_BATCH(); 65 } else { 66 BEGIN_BATCH(7); 67 OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2)); 68 OUT_BATCH(0); /* prog_bo */ 69 OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) | 70 (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT)); 71 OUT_BATCH(0); /* scratch space base offset */ 72 OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) | 73 (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) | 74 (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT)); 75 OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) | 76 GEN6_GS_STATISTICS_ENABLE | 77 GEN6_GS_RENDERING_ENABLE); 78 OUT_BATCH(0); 79 ADVANCE_BATCH(); 80 } 81 } 82 83 const struct brw_tracked_state gen6_gs_state = { 84 .dirty = { 85 .mesa = _NEW_TRANSFORM, 86 .brw = BRW_NEW_CONTEXT, 87 .cache = CACHE_NEW_GS_PROG 88 }, 89 .emit = upload_gs_state, 90 }; 91
