1 /* 2 * Copyright 2012 Advanced Micro Devices, Inc. 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 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Christian Knig <christian.koenig (at) amd.com> 25 */ 26 27 #include "radeonsi_pipe.h" 28 #include "si_state.h" 29 30 /* 31 * Stream out 32 */ 33 34 #if 0 35 void si_context_streamout_begin(struct r600_context *ctx) 36 { 37 struct radeon_winsys_cs *cs = ctx->cs; 38 struct si_so_target **t = ctx->so_targets; 39 unsigned *strides = ctx->vs_shader_so_strides; 40 unsigned buffer_en, i; 41 42 buffer_en = (ctx->num_so_targets >= 1 && t[0] ? 1 : 0) | 43 (ctx->num_so_targets >= 2 && t[1] ? 2 : 0) | 44 (ctx->num_so_targets >= 3 && t[2] ? 4 : 0) | 45 (ctx->num_so_targets >= 4 && t[3] ? 8 : 0); 46 47 ctx->num_cs_dw_streamout_end = 48 12 + /* flush_vgt_streamout */ 49 util_bitcount(buffer_en) * 8 + 50 3; 51 52 si_need_cs_space(ctx, 53 12 + /* flush_vgt_streamout */ 54 6 + /* enables */ 55 util_bitcount(buffer_en & ctx->streamout_append_bitmask) * 8 + 56 util_bitcount(buffer_en & ~ctx->streamout_append_bitmask) * 6 + 57 ctx->num_cs_dw_streamout_end, TRUE); 58 59 if (ctx->chip_class >= CAYMAN) { 60 evergreen_flush_vgt_streamout(ctx); 61 evergreen_set_streamout_enable(ctx, buffer_en); 62 } 63 64 for (i = 0; i < ctx->num_so_targets; i++) { 65 #if 0 66 if (t[i]) { 67 t[i]->stride = strides[i]; 68 t[i]->so_index = i; 69 70 cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, 3, 0); 71 cs->buf[cs->cdw++] = (R_028AD0_VGT_STRMOUT_BUFFER_SIZE_0 + 72 16*i - SI_CONTEXT_REG_OFFSET) >> 2; 73 cs->buf[cs->cdw++] = (t[i]->b.buffer_offset + 74 t[i]->b.buffer_size) >> 2; /* BUFFER_SIZE (in DW) */ 75 cs->buf[cs->cdw++] = strides[i] >> 2; /* VTX_STRIDE (in DW) */ 76 cs->buf[cs->cdw++] = 0; /* BUFFER_BASE */ 77 78 cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0); 79 cs->buf[cs->cdw++] = 80 si_context_bo_reloc(ctx, si_resource(t[i]->b.buffer), 81 RADEON_USAGE_WRITE); 82 83 if (ctx->streamout_append_bitmask & (1 << i)) { 84 /* Append. */ 85 cs->buf[cs->cdw++] = PKT3(PKT3_STRMOUT_BUFFER_UPDATE, 4, 0); 86 cs->buf[cs->cdw++] = STRMOUT_SELECT_BUFFER(i) | 87 STRMOUT_OFFSET_SOURCE(STRMOUT_OFFSET_FROM_MEM); /* control */ 88 cs->buf[cs->cdw++] = 0; /* unused */ 89 cs->buf[cs->cdw++] = 0; /* unused */ 90 cs->buf[cs->cdw++] = 0; /* src address lo */ 91 cs->buf[cs->cdw++] = 0; /* src address hi */ 92 93 cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0); 94 cs->buf[cs->cdw++] = 95 si_context_bo_reloc(ctx, t[i]->filled_size, 96 RADEON_USAGE_READ); 97 } else { 98 /* Start from the beginning. */ 99 cs->buf[cs->cdw++] = PKT3(PKT3_STRMOUT_BUFFER_UPDATE, 4, 0); 100 cs->buf[cs->cdw++] = STRMOUT_SELECT_BUFFER(i) | 101 STRMOUT_OFFSET_SOURCE(STRMOUT_OFFSET_FROM_PACKET); /* control */ 102 cs->buf[cs->cdw++] = 0; /* unused */ 103 cs->buf[cs->cdw++] = 0; /* unused */ 104 cs->buf[cs->cdw++] = t[i]->b.buffer_offset >> 2; /* buffer offset in DW */ 105 cs->buf[cs->cdw++] = 0; /* unused */ 106 } 107 } 108 #endif 109 } 110 } 111 112 void si_context_streamout_end(struct r600_context *ctx) 113 { 114 struct radeon_winsys_cs *cs = ctx->cs; 115 struct si_so_target **t = ctx->so_targets; 116 unsigned i, flush_flags = 0; 117 118 evergreen_flush_vgt_streamout(ctx); 119 120 for (i = 0; i < ctx->num_so_targets; i++) { 121 #if 0 122 if (t[i]) { 123 cs->buf[cs->cdw++] = PKT3(PKT3_STRMOUT_BUFFER_UPDATE, 4, 0); 124 cs->buf[cs->cdw++] = STRMOUT_SELECT_BUFFER(i) | 125 STRMOUT_OFFSET_SOURCE(STRMOUT_OFFSET_NONE) | 126 STRMOUT_STORE_BUFFER_FILLED_SIZE; /* control */ 127 cs->buf[cs->cdw++] = 0; /* dst address lo */ 128 cs->buf[cs->cdw++] = 0; /* dst address hi */ 129 cs->buf[cs->cdw++] = 0; /* unused */ 130 cs->buf[cs->cdw++] = 0; /* unused */ 131 132 cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0); 133 cs->buf[cs->cdw++] = 134 si_context_bo_reloc(ctx, t[i]->filled_size, 135 RADEON_USAGE_WRITE); 136 137 flush_flags |= S_0085F0_SO0_DEST_BASE_ENA(1) << i; 138 } 139 #endif 140 } 141 142 evergreen_set_streamout_enable(ctx, 0); 143 144 ctx->atom_surface_sync.flush_flags |= flush_flags; 145 si_atom_dirty(ctx, &ctx->atom_surface_sync.atom); 146 147 ctx->num_cs_dw_streamout_end = 0; 148 149 /* XXX print some debug info */ 150 for (i = 0; i < ctx->num_so_targets; i++) { 151 if (!t[i]) 152 continue; 153 154 uint32_t *ptr = ctx->ws->buffer_map(t[i]->filled_size->cs_buf, ctx->cs, RADEON_USAGE_READ); 155 printf("FILLED_SIZE%i: %u\n", i, *ptr); 156 ctx->ws->buffer_unmap(t[i]->filled_size->cs_buf); 157 } 158 } 159 160 void evergreen_flush_vgt_streamout(struct si_context *ctx) 161 { 162 struct radeon_winsys_cs *cs = ctx->cs; 163 164 cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, 1, 0); 165 cs->buf[cs->cdw++] = (R_0084FC_CP_STRMOUT_CNTL - SI_CONFIG_REG_OFFSET) >> 2; 166 cs->buf[cs->cdw++] = 0; 167 168 cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0); 169 cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_SO_VGTSTREAMOUT_FLUSH) | EVENT_INDEX(0); 170 171 cs->buf[cs->cdw++] = PKT3(PKT3_WAIT_REG_MEM, 5, 0); 172 cs->buf[cs->cdw++] = WAIT_REG_MEM_EQUAL; /* wait until the register is equal to the reference value */ 173 cs->buf[cs->cdw++] = R_0084FC_CP_STRMOUT_CNTL >> 2; /* register */ 174 cs->buf[cs->cdw++] = 0; 175 cs->buf[cs->cdw++] = S_0084FC_OFFSET_UPDATE_DONE(1); /* reference value */ 176 cs->buf[cs->cdw++] = S_0084FC_OFFSET_UPDATE_DONE(1); /* mask */ 177 cs->buf[cs->cdw++] = 4; /* poll interval */ 178 } 179 180 void evergreen_set_streamout_enable(struct si_context *ctx, unsigned buffer_enable_bit) 181 { 182 struct radeon_winsys_cs *cs = ctx->cs; 183 184 if (buffer_enable_bit) { 185 cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, 1, 0); 186 cs->buf[cs->cdw++] = (R_028B94_VGT_STRMOUT_CONFIG - SI_CONTEXT_REG_OFFSET) >> 2; 187 cs->buf[cs->cdw++] = S_028B94_STREAMOUT_0_EN(1); 188 189 cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, 1, 0); 190 cs->buf[cs->cdw++] = (R_028B98_VGT_STRMOUT_BUFFER_CONFIG - SI_CONTEXT_REG_OFFSET) >> 2; 191 cs->buf[cs->cdw++] = S_028B98_STREAM_0_BUFFER_EN(buffer_enable_bit); 192 } else { 193 cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, 1, 0); 194 cs->buf[cs->cdw++] = (R_028B94_VGT_STRMOUT_CONFIG - SI_CONTEXT_REG_OFFSET) >> 2; 195 cs->buf[cs->cdw++] = S_028B94_STREAMOUT_0_EN(0); 196 } 197 } 198 199 #endif 200 201 struct pipe_stream_output_target * 202 si_create_so_target(struct pipe_context *ctx, 203 struct pipe_resource *buffer, 204 unsigned buffer_offset, 205 unsigned buffer_size) 206 { 207 #if 0 208 struct si_context *rctx = (struct r600_context *)ctx; 209 struct si_so_target *t; 210 void *ptr; 211 212 t = CALLOC_STRUCT(si_so_target); 213 if (!t) { 214 return NULL; 215 } 216 217 t->b.reference.count = 1; 218 t->b.context = ctx; 219 pipe_resource_reference(&t->b.buffer, buffer); 220 t->b.buffer_offset = buffer_offset; 221 t->b.buffer_size = buffer_size; 222 223 t->filled_size = si_resource_create_custom(ctx->screen, PIPE_USAGE_STATIC, 4); 224 ptr = rctx->ws->buffer_map(t->filled_size->cs_buf, rctx->cs, PIPE_TRANSFER_WRITE); 225 memset(ptr, 0, t->filled_size->buf->size); 226 rctx->ws->buffer_unmap(t->filled_size->cs_buf); 227 228 return &t->b; 229 #endif 230 return NULL; 231 } 232 233 void si_so_target_destroy(struct pipe_context *ctx, 234 struct pipe_stream_output_target *target) 235 { 236 #if 0 237 struct si_so_target *t = (struct r600_so_target*)target; 238 pipe_resource_reference(&t->b.buffer, NULL); 239 si_resource_reference(&t->filled_size, NULL); 240 FREE(t); 241 #endif 242 } 243 244 void si_set_so_targets(struct pipe_context *ctx, 245 unsigned num_targets, 246 struct pipe_stream_output_target **targets, 247 unsigned append_bitmask) 248 { 249 assert(num_targets == 0); 250 #if 0 251 struct si_context *rctx = (struct r600_context *)ctx; 252 unsigned i; 253 254 /* Stop streamout. */ 255 if (rctx->num_so_targets) { 256 si_context_streamout_end(rctx); 257 } 258 259 /* Set the new targets. */ 260 for (i = 0; i < num_targets; i++) { 261 pipe_so_target_reference((struct pipe_stream_output_target**)&rctx->so_targets[i], targets[i]); 262 } 263 for (; i < rctx->num_so_targets; i++) { 264 pipe_so_target_reference((struct pipe_stream_output_target**)&rctx->so_targets[i], NULL); 265 } 266 267 rctx->num_so_targets = num_targets; 268 rctx->streamout_start = num_targets != 0; 269 rctx->streamout_append_bitmask = append_bitmask; 270 #endif 271 } 272
