src/mesa/drivers/dri/r300/r300_emit.c

   1 /*
   2 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   3
   4 The Weather Channel (TM) funded Tungsten Graphics to develop the
   5 initial release of the Radeon 8500 driver under the XFree86 license.
   6 This notice must be preserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining
   9 a copy of this software and associated documentation files (the
  10 "Software"), to deal in the Software without restriction, including
  11 without limitation the rights to use, copy, modify, merge, publish,
  12 distribute, sublicense, and/or sell copies of the Software, and to
  13 permit persons to whom the Software is furnished to do so, subject to
  14 the following conditions:
  15
  16 The above copyright notice and this permission notice (including the
  17 next paragraph) shall be included in all copies or substantial
  18 portions of the Software.
  19
  20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 **************************************************************************/
  29
  30 /**
  31  * \file
  32  *
  33  * \author Keith Whitwell <keith@tungstengraphics.com>
  34  */
  35
  36 #include "glheader.h"
  37 #include "mtypes.h"
  38 #include "colormac.h"
  39 #include "imports.h"
  40 #include "macros.h"
  41 #include "image.h"
  42
  43 #include "swrast_setup/swrast_setup.h"
  44 #include "math/m_translate.h"
  45 #include "tnl/tnl.h"
  46 #include "tnl/t_context.h"
  47
  48 #include "r300_context.h"
  49 #include "radeon_ioctl.h"
  50 #include "r300_state.h"
  51 #include "r300_emit.h"
  52 #include "r300_ioctl.h"
  53
  54 #ifdef USER_BUFFERS
  55 #include "r300_mem.h"
  56 #endif
  57
  58 #if SWIZZLE_X != R300_INPUT_ROUTE_SELECT_X || \
  59     SWIZZLE_Y != R300_INPUT_ROUTE_SELECT_Y || \
  60     SWIZZLE_Z != R300_INPUT_ROUTE_SELECT_Z || \
  61     SWIZZLE_W != R300_INPUT_ROUTE_SELECT_W || \
  62     SWIZZLE_ZERO != R300_INPUT_ROUTE_SELECT_ZERO || \
  63     SWIZZLE_ONE != R300_INPUT_ROUTE_SELECT_ONE
  64 #error Cannot change these!
  65 #endif
  66
  67 #define DEBUG_ALL DEBUG_VERTS
  68
  69 #if defined(USE_X86_ASM)
  70 #define COPY_DWORDS( dst, src, nr )                                     \
  71 do {                                                                    \
  72         int __tmp;                                                      \
  73         __asm__ __volatile__( "rep ; movsl"                             \
  74                               : "=%c" (__tmp), "=D" (dst), "=S" (__tmp) \
  75                               : "0" (nr),                               \
  76                                 "D" ((long)dst),                        \
  77                                 "S" ((long)src) );                      \
  78 } while (0)
  79 #else
  80 #define COPY_DWORDS( dst, src, nr )             \
  81 do {                                            \
  82    int j;                                       \
  83    for ( j = 0 ; j < nr ; j++ )                 \
  84       dst[j] = ((int *)src)[j];                 \
  85    dst += nr;                                   \
  86 } while (0)
  87 #endif
  88
  89 static void r300EmitVec4(GLcontext * ctx, struct r300_dma_region *rvb,
  90                          GLvoid * data, int stride, int count)
  91 {
  92         int i;
  93         int *out = (int *)(rvb->address + rvb->start);
  94
  95         if (RADEON_DEBUG & DEBUG_VERTS)
  96                 fprintf(stderr, "%s count %d stride %d out %p data %p\n",
  97                         __FUNCTION__, count, stride, (void *)out, (void *)data);
  98
  99         if (stride == 4)
 100                 COPY_DWORDS(out, data, count);
 101         else
 102                 for (i = 0; i < count; i++) {
 103                         out[0] = *(int *)data;
 104                         out++;
 105                         data += stride;
 106                 }
 107 }
 108
 109 static void r300EmitVec8(GLcontext * ctx, struct r300_dma_region *rvb,
 110                          GLvoid * data, int stride, int count)
 111 {
 112         int i;
 113         int *out = (int *)(rvb->address + rvb->start);
 114
 115         if (RADEON_DEBUG & DEBUG_VERTS)
 116                 fprintf(stderr, "%s count %d stride %d out %p data %p\n",
 117                         __FUNCTION__, count, stride, (void *)out, (void *)data);
 118
 119         if (stride == 8)
 120                 COPY_DWORDS(out, data, count * 2);
 121         else
 122                 for (i = 0; i < count; i++) {
 123                         out[0] = *(int *)data;
 124                         out[1] = *(int *)(data + 4);
 125                         out += 2;
 126                         data += stride;
 127                 }
 128 }
 129
 130 static void r300EmitVec12(GLcontext * ctx, struct r300_dma_region *rvb,
 131                           GLvoid * data, int stride, int count)
 132 {
 133         int i;
 134         int *out = (int *)(rvb->address + rvb->start);
 135
 136         if (RADEON_DEBUG & DEBUG_VERTS)
 137                 fprintf(stderr, "%s count %d stride %d out %p data %p\n",
 138                         __FUNCTION__, count, stride, (void *)out, (void *)data);
 139
 140         if (stride == 12)
 141                 COPY_DWORDS(out, data, count * 3);
 142         else
 143                 for (i = 0; i < count; i++) {
 144                         out[0] = *(int *)data;
 145                         out[1] = *(int *)(data + 4);
 146                         out[2] = *(int *)(data + 8);
 147                         out += 3;
 148                         data += stride;
 149                 }
 150 }
 151
 152 static void r300EmitVec16(GLcontext * ctx, struct r300_dma_region *rvb,
 153                           GLvoid * data, int stride, int count)
 154 {
 155         int i;
 156         int *out = (int *)(rvb->address + rvb->start);
 157
 158         if (RADEON_DEBUG & DEBUG_VERTS)
 159                 fprintf(stderr, "%s count %d stride %d out %p data %p\n",
 160                         __FUNCTION__, count, stride, (void *)out, (void *)data);
 161
 162         if (stride == 16)
 163                 COPY_DWORDS(out, data, count * 4);
 164         else
 165                 for (i = 0; i < count; i++) {
 166                         out[0] = *(int *)data;
 167                         out[1] = *(int *)(data + 4);
 168                         out[2] = *(int *)(data + 8);
 169                         out[3] = *(int *)(data + 12);
 170                         out += 4;
 171                         data += stride;
 172                 }
 173 }
 174
 175 static void r300EmitVec(GLcontext * ctx, struct r300_dma_region *rvb,
 176                         GLvoid * data, int size, int stride, int count)
 177 {
 178         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 179
 180         if (stride == 0) {
 181                 r300AllocDmaRegion(rmesa, rvb, size * 4, 4);
 182                 count = 1;
 183                 rvb->aos_offset = GET_START(rvb);
 184                 rvb->aos_stride = 0;
 185         } else {
 186                 r300AllocDmaRegion(rmesa, rvb, size * count * 4, 4);
 187                 rvb->aos_offset = GET_START(rvb);
 188                 rvb->aos_stride = size;
 189         }
 190
 191         switch (size) {
 192         case 1:
 193                 r300EmitVec4(ctx, rvb, data, stride, count);
 194                 break;
 195         case 2:
 196                 r300EmitVec8(ctx, rvb, data, stride, count);
 197                 break;
 198         case 3:
 199                 r300EmitVec12(ctx, rvb, data, stride, count);
 200                 break;
 201         case 4:
 202                 r300EmitVec16(ctx, rvb, data, stride, count);
 203                 break;
 204         default:
 205                 assert(0);
 206                 break;
 207         }
 208 }
 209
 210 static GLuint r300VAPInputRoute0(uint32_t * dst, GLvector4f ** attribptr,
 211                                  int *inputs, GLint * tab, GLuint nr)
 212 {
 213         GLuint i, dw;
 214
 215         /* type, inputs, stop bit, size */
 216         for (i = 0; i < nr; i += 2) {
 217                 /* make sure input is valid, would lockup the gpu */
 218                 assert(inputs[tab[i]] != -1);
 219                 dw = (R300_SIGNED |
 220                       (inputs[tab[i]] << R300_DST_VEC_LOC_SHIFT) |
 221                       (attribptr[tab[i]]->size - 1)) << R300_DATA_TYPE_0_SHIFT;
 222                 if (i + 1 == nr) {
 223                         dw |= R300_LAST_VEC << R300_DATA_TYPE_0_SHIFT;
 224                 } else {
 225                         assert(inputs[tab[i + 1]] != -1);
 226                         dw |= (R300_SIGNED |
 227                                (inputs[tab[i + 1]] << R300_DST_VEC_LOC_SHIFT) |
 228                                (attribptr[tab[i + 1]]->size - 1)) << R300_DATA_TYPE_1_SHIFT;
 229                         if (i + 2 == nr) {
 230                                 dw |= R300_LAST_VEC << R300_DATA_TYPE_1_SHIFT;
 231                         }
 232                 }
 233                 dst[i >> 1] = dw;
 234         }
 235
 236         return (nr + 1) >> 1;
 237 }
 238
 239 static GLuint r300VAPInputRoute1Swizzle(int swizzle[4])
 240 {
 241         return (swizzle[0] << R300_SWIZZLE_SELECT_X_SHIFT) |
 242             (swizzle[1] << R300_SWIZZLE_SELECT_Y_SHIFT) |
 243             (swizzle[2] << R300_SWIZZLE_SELECT_Z_SHIFT) |
 244             (swizzle[3] << R300_SWIZZLE_SELECT_W_SHIFT);
 245 }
 246
 247 GLuint r300VAPInputRoute1(uint32_t * dst, int swizzle[][4], GLuint nr)
 248 {
 249         GLuint i, dw;
 250
 251         for (i = 0; i < nr; i += 2) {
 252                 dw = (r300VAPInputRoute1Swizzle(swizzle[i]) |
 253                       ((R300_WRITE_ENA_X | R300_WRITE_ENA_Y |
 254                         R300_WRITE_ENA_Z | R300_WRITE_ENA_W) << R300_WRITE_ENA_SHIFT)) << R300_SWIZZLE0_SHIFT;
 255                 if (i + 1 < nr) {
 256                         dw |= (r300VAPInputRoute1Swizzle(swizzle[i + 1]) |
 257                                ((R300_WRITE_ENA_X | R300_WRITE_ENA_Y |
 258                                  R300_WRITE_ENA_Z | R300_WRITE_ENA_W) << R300_WRITE_ENA_SHIFT)) << R300_SWIZZLE1_SHIFT;
 259                 }
 260                 dst[i >> 1] = dw;
 261         }
 262
 263         return (nr + 1) >> 1;
 264 }
 265
 266 GLuint r300VAPInputCntl0(GLcontext * ctx, GLuint InputsRead)
 267 {
 268         /* No idea what this value means. I have seen other values written to
 269          * this register... */
 270         return 0x5555;
 271 }
 272
 273 GLuint r300VAPInputCntl1(GLcontext * ctx, GLuint InputsRead)
 274 {
 275         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 276         GLuint i, vic_1 = 0;
 277
 278         if (InputsRead & (1 << VERT_ATTRIB_POS))
 279                 vic_1 |= R300_INPUT_CNTL_POS;
 280
 281         if (InputsRead & (1 << VERT_ATTRIB_NORMAL))
 282                 vic_1 |= R300_INPUT_CNTL_NORMAL;
 283
 284         if (InputsRead & (1 << VERT_ATTRIB_COLOR0))
 285                 vic_1 |= R300_INPUT_CNTL_COLOR;
 286
 287         rmesa->state.texture.tc_count = 0;
 288         for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
 289                 if (InputsRead & (1 << (VERT_ATTRIB_TEX0 + i))) {
 290                         rmesa->state.texture.tc_count++;
 291                         vic_1 |= R300_INPUT_CNTL_TC0 << i;
 292                 }
 293
 294         return vic_1;
 295 }
 296
 297 GLuint r300VAPOutputCntl0(GLcontext * ctx, GLuint OutputsWritten)
 298 {
 299         GLuint ret = 0;
 300
 301         if (OutputsWritten & (1 << VERT_RESULT_HPOS))
 302                 ret |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
 303
 304         if (OutputsWritten & (1 << VERT_RESULT_COL0))
 305                 ret |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT;
 306
 307         if (OutputsWritten & (1 << VERT_RESULT_COL1))
 308                 ret |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT;
 309
 310         if (OutputsWritten & (1 << VERT_RESULT_BFC0)
 311             || OutputsWritten & (1 << VERT_RESULT_BFC1))
 312                 ret |=
 313                     R300_VAP_OUTPUT_VTX_FMT_0__COLOR_1_PRESENT |
 314                     R300_VAP_OUTPUT_VTX_FMT_0__COLOR_2_PRESENT |
 315                     R300_VAP_OUTPUT_VTX_FMT_0__COLOR_3_PRESENT;
 316
 317 #if 0
 318         if (OutputsWritten & (1 << VERT_RESULT_FOGC)) ;
 319 #endif
 320
 321         if (OutputsWritten & (1 << VERT_RESULT_PSIZ))
 322                 ret |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
 323
 324         return ret;
 325 }
 326
 327 GLuint r300VAPOutputCntl1(GLcontext * ctx, GLuint OutputsWritten)
 328 {
 329         GLuint i, ret = 0;
 330
 331         for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
 332                 if (OutputsWritten & (1 << (VERT_RESULT_TEX0 + i))) {
 333                         ret |= (4 << (3 * i));
 334                 }
 335         }
 336
 337         return ret;
 338 }
 339
 340 /* Emit vertex data to GART memory
 341  * Route inputs to the vertex processor
 342  * This function should never return R300_FALLBACK_TCL when using software tcl.
 343  */
 344 int r300EmitArrays(GLcontext * ctx)
 345 {
 346         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 347         TNLcontext *tnl = TNL_CONTEXT(ctx);
 348         struct vertex_buffer *vb = &tnl->vb;
 349         GLuint nr;
 350         GLuint count = vb->Count;
 351         GLuint i;
 352         GLuint InputsRead = 0, OutputsWritten = 0;
 353         int *inputs = NULL;
 354         int vir_inputs[VERT_ATTRIB_MAX];
 355         GLint tab[VERT_ATTRIB_MAX];
 356         int swizzle[VERT_ATTRIB_MAX][4];
 357         struct r300_vertex_program *prog =
 358             (struct r300_vertex_program *)CURRENT_VERTEX_SHADER(ctx);
 359
 360         if (hw_tcl_on) {
 361                 inputs = prog->inputs;
 362                 InputsRead = prog->key.InputsRead;
 363                 OutputsWritten = prog->key.OutputsWritten;
 364         } else {
 365                 inputs = rmesa->state.sw_tcl_inputs;
 366
 367                 DECLARE_RENDERINPUTS(render_inputs_bitset);
 368                 RENDERINPUTS_COPY(render_inputs_bitset, tnl->render_inputs_bitset);
 369
 370                 vb->AttribPtr[VERT_ATTRIB_POS] = vb->ClipPtr;
 371
 372                 assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_POS));
 373                 assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_NORMAL) == 0);
 374                 //assert(RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR0));
 375
 376                 if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_POS)) {
 377                         InputsRead |= 1 << VERT_ATTRIB_POS;
 378                         OutputsWritten |= 1 << VERT_RESULT_HPOS;
 379                 }
 380
 381                 if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR0)) {
 382                         InputsRead |= 1 << VERT_ATTRIB_COLOR0;
 383                         OutputsWritten |= 1 << VERT_RESULT_COL0;
 384                 }
 385
 386                 if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_COLOR1)) {
 387                         InputsRead |= 1 << VERT_ATTRIB_COLOR1;
 388                         OutputsWritten |= 1 << VERT_RESULT_COL1;
 389                 }
 390
 391                 for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
 392                         if (RENDERINPUTS_TEST(render_inputs_bitset, _TNL_ATTRIB_TEX(i))) {
 393                                 InputsRead |= 1 << (VERT_ATTRIB_TEX0 + i);
 394                                 OutputsWritten |= 1 << (VERT_RESULT_TEX0 + i);
 395                         }
 396                 }
 397
 398                 for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
 399                         if (InputsRead & (1 << i)) {
 400                                 inputs[i] = nr++;
 401                         } else {
 402                                 inputs[i] = -1;
 403                         }
 404                 }
 405
 406                 /* Fixed, apply to vir0 only */
 407                 memcpy(vir_inputs, inputs, VERT_ATTRIB_MAX * sizeof(int));
 408                 inputs = vir_inputs;
 409                 if (InputsRead & VERT_ATTRIB_POS)
 410                         inputs[VERT_ATTRIB_POS] = 0;
 411                 if (InputsRead & (1 << VERT_ATTRIB_COLOR0))
 412                         inputs[VERT_ATTRIB_COLOR0] = 2;
 413                 if (InputsRead & (1 << VERT_ATTRIB_COLOR1))
 414                         inputs[VERT_ATTRIB_COLOR1] = 3;
 415                 for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++)
 416                         if (InputsRead & (1 << i))
 417                                 inputs[i] = 6 + (i - VERT_ATTRIB_TEX0);
 418
 419                 RENDERINPUTS_COPY(rmesa->state.render_inputs_bitset, render_inputs_bitset);
 420         }
 421
 422         assert(InputsRead);
 423         assert(OutputsWritten);
 424
 425         for (i = 0, nr = 0; i < VERT_ATTRIB_MAX; i++) {
 426                 if (InputsRead & (1 << i)) {
 427                         tab[nr++] = i;
 428                 }
 429         }
 430
 431         if (nr > R300_MAX_AOS_ARRAYS) {
 432                 return R300_FALLBACK_TCL;
 433         }
 434
 435         for (i = 0; i < nr; i++) {
 436                 int ci, fix, found = 0;
 437
 438                 swizzle[i][0] = SWIZZLE_ZERO;
 439                 swizzle[i][1] = SWIZZLE_ZERO;
 440                 swizzle[i][2] = SWIZZLE_ZERO;
 441                 swizzle[i][3] = SWIZZLE_ONE;
 442
 443                 for (ci = 0; ci < vb->AttribPtr[tab[i]]->size; ci++) {
 444                         swizzle[i][ci] = ci;
 445                 }
 446
 447                 if (r300IsGartMemory(rmesa, vb->AttribPtr[tab[i]]->data, 4)) {
 448                         if (vb->AttribPtr[tab[i]]->stride % 4) {
 449                                 return R300_FALLBACK_TCL;
 450                         }
 451                         rmesa->state.aos[i].address = (void *)(vb->AttribPtr[tab[i]]->data);
 452                         rmesa->state.aos[i].start = 0;
 453                         rmesa->state.aos[i].aos_offset = r300GartOffsetFromVirtual(rmesa, vb->AttribPtr[tab[i]]->data);
 454                         rmesa->state.aos[i].aos_stride = vb->AttribPtr[tab[i]]->stride / 4;
 455                         rmesa->state.aos[i].aos_size = vb->AttribPtr[tab[i]]->size;
 456                 } else {
 457                         r300EmitVec(ctx, &rmesa->state.aos[i],
 458                                     vb->AttribPtr[tab[i]]->data,
 459                                     vb->AttribPtr[tab[i]]->size,
 460                                     vb->AttribPtr[tab[i]]->stride, count);
 461                 }
 462
 463                 rmesa->state.aos[i].aos_size = vb->AttribPtr[tab[i]]->size;
 464
 465                 for (fix = 0; fix <= 4 - vb->AttribPtr[tab[i]]->size; fix++) {
 466                         if ((rmesa->state.aos[i].aos_offset - _mesa_sizeof_type(GL_FLOAT) * fix) % 4) {
 467                                 continue;
 468                         }
 469                         found = 1;
 470                         break;
 471                 }
 472
 473                 if (found) {
 474                         if (fix > 0) {
 475                                 WARN_ONCE("Feeling lucky?\n");
 476                         }
 477                         rmesa->state.aos[i].aos_offset -= _mesa_sizeof_type(GL_FLOAT) * fix;
 478                         for (ci = 0; ci < vb->AttribPtr[tab[i]]->size; ci++) {
 479                                 swizzle[i][ci] += fix;
 480                         }
 481                 } else {
 482                         WARN_ONCE
 483                             ("Cannot handle offset %x with stride %d, comp %d\n",
 484                              rmesa->state.aos[i].aos_offset,
 485                              rmesa->state.aos[i].aos_stride,
 486                              vb->AttribPtr[tab[i]]->size);
 487                         return R300_FALLBACK_TCL;
 488                 }
 489         }
 490
 491         /* Setup INPUT_ROUTE. */
 492         R300_STATECHANGE(rmesa, vir[0]);
 493         ((drm_r300_cmd_header_t *) rmesa->hw.vir[0].cmd)->packet0.count =
 494             r300VAPInputRoute0(&rmesa->hw.vir[0].cmd[R300_VIR_CNTL_0],
 495                                vb->AttribPtr, inputs, tab, nr);
 496         R300_STATECHANGE(rmesa, vir[1]);
 497         ((drm_r300_cmd_header_t *) rmesa->hw.vir[1].cmd)->packet0.count =
 498             r300VAPInputRoute1(&rmesa->hw.vir[1].cmd[R300_VIR_CNTL_0], swizzle,
 499                                nr);
 500
 501         /* Setup INPUT_CNTL. */
 502         R300_STATECHANGE(rmesa, vic);
 503         rmesa->hw.vic.cmd[R300_VIC_CNTL_0] = r300VAPInputCntl0(ctx, InputsRead);
 504         rmesa->hw.vic.cmd[R300_VIC_CNTL_1] = r300VAPInputCntl1(ctx, InputsRead);
 505
 506         /* Setup OUTPUT_VTX_FMT. */
 507         R300_STATECHANGE(rmesa, vof);
 508         rmesa->hw.vof.cmd[R300_VOF_CNTL_0] =
 509             r300VAPOutputCntl0(ctx, OutputsWritten);
 510         rmesa->hw.vof.cmd[R300_VOF_CNTL_1] =
 511             r300VAPOutputCntl1(ctx, OutputsWritten);
 512
 513         rmesa->state.aos_count = nr;
 514
 515         return R300_FALLBACK_NONE;
 516 }
 517
 518 #ifdef USER_BUFFERS
 519 void r300UseArrays(GLcontext * ctx)
 520 {
 521         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 522         int i;
 523
 524         if (rmesa->state.elt_dma.buf)
 525                 r300_mem_use(rmesa, rmesa->state.elt_dma.buf->id);
 526
 527         for (i = 0; i < rmesa->state.aos_count; i++) {
 528                 if (rmesa->state.aos[i].buf)
 529                         r300_mem_use(rmesa, rmesa->state.aos[i].buf->id);
 530         }
 531 }
 532 #endif
 533
 534 void r300ReleaseArrays(GLcontext * ctx)
 535 {
 536         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 537         int i;
 538
 539         r300ReleaseDmaRegion(rmesa, &rmesa->state.elt_dma, __FUNCTION__);
 540         for (i = 0; i < rmesa->state.aos_count; i++) {
 541                 r300ReleaseDmaRegion(rmesa, &rmesa->state.aos[i], __FUNCTION__);
 542         }
 543 }
 544
 545 void r300EmitCacheFlush(r300ContextPtr rmesa)
 546 {
 547         int cmd_reserved = 0;
 548         int cmd_written = 0;
 549
 550         drm_radeon_cmd_header_t *cmd = NULL;
 551
 552         reg_start(R300_RB3D_DSTCACHE_CTLSTAT, 0);
 553         e32(RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
 554             RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
 555
 556         reg_start(ZB_ZCACHE_CTLSTAT, 0);
 557         e32(ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
 558             ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
 559 }