1 /* 2 * Copyright 2014 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 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 #include "brw_context.h" 25 #include "brw_state.h" 26 #include "brw_defines.h" 27 #include "intel_batchbuffer.h" 28 #include "main/shaderapi.h" 29 30 static void 31 gen7_upload_tes_push_constants(struct brw_context *brw) 32 { 33 struct brw_stage_state *stage_state = &brw->tes.base; 34 /* BRW_NEW_TESS_PROGRAMS */ 35 const struct brw_program *tep = brw_program_const(brw->tess_eval_program); 36 37 if (tep) { 38 /* BRW_NEW_TES_PROG_DATA */ 39 const struct brw_stage_prog_data *prog_data = brw->tes.base.prog_data; 40 _mesa_shader_write_subroutine_indices(&brw->ctx, MESA_SHADER_TESS_EVAL); 41 gen6_upload_push_constants(brw, &tep->program, prog_data, stage_state, 42 AUB_TRACE_VS_CONSTANTS); 43 } 44 45 gen7_upload_constant_state(brw, stage_state, tep, _3DSTATE_CONSTANT_DS); 46 } 47 48 const struct brw_tracked_state gen7_tes_push_constants = { 49 .dirty = { 50 .mesa = _NEW_PROGRAM_CONSTANTS, 51 .brw = BRW_NEW_BATCH | 52 BRW_NEW_BLORP | 53 BRW_NEW_PUSH_CONSTANT_ALLOCATION | 54 BRW_NEW_TESS_PROGRAMS | 55 BRW_NEW_TES_PROG_DATA, 56 }, 57 .emit = gen7_upload_tes_push_constants, 58 }; 59 60 static void 61 gen7_upload_ds_state(struct brw_context *brw) 62 { 63 const struct gen_device_info *devinfo = &brw->screen->devinfo; 64 const struct brw_stage_state *stage_state = &brw->tes.base; 65 /* BRW_NEW_TESS_PROGRAMS */ 66 bool active = brw->tess_eval_program; 67 68 /* BRW_NEW_TES_PROG_DATA */ 69 const struct brw_stage_prog_data *prog_data = stage_state->prog_data; 70 const struct brw_vue_prog_data *vue_prog_data = 71 brw_vue_prog_data(stage_state->prog_data); 72 const struct brw_tes_prog_data *tes_prog_data = 73 brw_tes_prog_data(stage_state->prog_data); 74 75 const unsigned thread_count = (devinfo->max_tes_threads - 1) << 76 (brw->is_haswell ? HSW_DS_MAX_THREADS_SHIFT : GEN7_DS_MAX_THREADS_SHIFT); 77 78 if (active) { 79 BEGIN_BATCH(6); 80 OUT_BATCH(_3DSTATE_DS << 16 | (6 - 2)); 81 OUT_BATCH(stage_state->prog_offset); 82 OUT_BATCH(SET_FIELD(DIV_ROUND_UP(stage_state->sampler_count, 4), 83 GEN7_DS_SAMPLER_COUNT) | 84 SET_FIELD(prog_data->binding_table.size_bytes / 4, 85 GEN7_DS_BINDING_TABLE_ENTRY_COUNT)); 86 if (prog_data->total_scratch) { 87 OUT_RELOC(stage_state->scratch_bo, 88 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 89 ffs(stage_state->per_thread_scratch) - 11); 90 } else { 91 OUT_BATCH(0); 92 } 93 OUT_BATCH(SET_FIELD(prog_data->dispatch_grf_start_reg, 94 GEN7_DS_DISPATCH_START_GRF) | 95 SET_FIELD(vue_prog_data->urb_read_length, 96 GEN7_DS_URB_READ_LENGTH)); 97 98 OUT_BATCH(GEN7_DS_ENABLE | 99 GEN7_DS_STATISTICS_ENABLE | 100 thread_count | 101 (tes_prog_data->domain == BRW_TESS_DOMAIN_TRI ? 102 GEN7_DS_COMPUTE_W_COORDINATE_ENABLE : 0)); 103 ADVANCE_BATCH(); 104 } else { 105 BEGIN_BATCH(6); 106 OUT_BATCH(_3DSTATE_DS << 16 | (6 - 2)); 107 OUT_BATCH(0); 108 OUT_BATCH(0); 109 OUT_BATCH(0); 110 OUT_BATCH(0); 111 OUT_BATCH(0); 112 ADVANCE_BATCH(); 113 } 114 brw->tes.enabled = active; 115 } 116 117 const struct brw_tracked_state gen7_ds_state = { 118 .dirty = { 119 .mesa = _NEW_TRANSFORM, 120 .brw = BRW_NEW_BATCH | 121 BRW_NEW_BLORP | 122 BRW_NEW_CONTEXT | 123 BRW_NEW_TESS_PROGRAMS | 124 BRW_NEW_TES_PROG_DATA, 125 }, 126 .emit = gen7_upload_ds_state, 127 }; 128
