src/mesa/drivers/dri/r300/r300_state.c

   1 /*
   2 Copyright (C) The Weather Channel, Inc.  2002.
   3 Copyright (C) 2004 Nicolai Haehnle.
   4 All Rights Reserved.
   5
   6 The Weather Channel (TM) funded Tungsten Graphics to develop the
   7 initial release of the Radeon 8500 driver under the XFree86 license.
   8 This notice must be preserved.
   9
  10 Permission is hereby granted, free of charge, to any person obtaining
  11 a copy of this software and associated documentation files (the
  12 "Software"), to deal in the Software without restriction, including
  13 without limitation the rights to use, copy, modify, merge, publish,
  14 distribute, sublicense, and/or sell copies of the Software, and to
  15 permit persons to whom the Software is furnished to do so, subject to
  16 the following conditions:
  17
  18 The above copyright notice and this permission notice (including the
  19 next paragraph) shall be included in all copies or substantial
  20 portions of the Software.
  21
  22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  25 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  26 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29
  30 **************************************************************************/
  31
  32 /*
  33  * Authors:
  34  *   Nicolai Haehnle <prefect_@gmx.net>
  35  */
  36
  37 #include "glheader.h"
  38 #include "state.h"
  39 #include "imports.h"
  40 #include "enums.h"
  41 #include "macros.h"
  42 #include "context.h"
  43 #include "dd.h"
  44 #include "simple_list.h"
  45
  46 #include "api_arrayelt.h"
  47 #include "swrast/swrast.h"
  48 #include "swrast_setup/swrast_setup.h"
  49 #include "array_cache/acache.h"
  50 #include "tnl/tnl.h"
  51
  52 #include "radeon_ioctl.h"
  53 #include "radeon_state.h"
  54 #include "r300_context.h"
  55 #include "r300_ioctl.h"
  56 #include "r300_state.h"
  57 #include "r300_reg.h"
  58 #include "r300_program.h"
  59 #include "r300_emit.h"
  60 #include "r300_fixed_pipelines.h"
  61
  62 static void r300AlphaFunc(GLcontext * ctx, GLenum func, GLfloat ref)
  63 {
  64         r300ContextPtr rmesa = R300_CONTEXT(ctx);
  65         int pp_misc = rmesa->hw.at.cmd[R300_AT_ALPHA_TEST];
  66         GLubyte refByte;
  67
  68         CLAMPED_FLOAT_TO_UBYTE(refByte, ref);
  69
  70         R300_STATECHANGE(rmesa, at);
  71
  72         pp_misc &= ~(R300_ALPHA_TEST_OP_MASK | R300_REF_ALPHA_MASK);
  73         pp_misc |= (refByte & R300_REF_ALPHA_MASK);
  74
  75         switch (func) {
  76         case GL_NEVER:
  77                 pp_misc |= R300_ALPHA_TEST_FAIL;
  78                 break;
  79         case GL_LESS:
  80                 pp_misc |= R300_ALPHA_TEST_LESS;
  81                 break;
  82         case GL_EQUAL:
  83                 pp_misc |= R300_ALPHA_TEST_EQUAL;
  84                 break;
  85         case GL_LEQUAL:
  86                 pp_misc |= R300_ALPHA_TEST_LEQUAL;
  87                 break;
  88         case GL_GREATER:
  89                 pp_misc |= R300_ALPHA_TEST_GREATER;
  90                 break;
  91         case GL_NOTEQUAL:
  92                 pp_misc |= R300_ALPHA_TEST_NEQUAL;
  93                 break;
  94         case GL_GEQUAL:
  95                 pp_misc |= R300_ALPHA_TEST_GEQUAL;
  96                 break;
  97         case GL_ALWAYS:
  98                 pp_misc |= R300_ALPHA_TEST_PASS;
  99                 break;
 100         }
 101
 102         rmesa->hw.at.cmd[R300_AT_ALPHA_TEST] = pp_misc;
 103 }
 104
 105 static void r300BlendColor(GLcontext * ctx, const GLfloat cf[4])
 106 {
 107         GLubyte color[4];
 108         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 109         fprintf(stderr, "%s:%s is not implemented yet. Fixme !\n", __FILE__, __FUNCTION__);
 110         #if 0
 111         R200_STATECHANGE(rmesa, ctx);
 112         CLAMPED_FLOAT_TO_UBYTE(color[0], cf[0]);
 113         CLAMPED_FLOAT_TO_UBYTE(color[1], cf[1]);
 114         CLAMPED_FLOAT_TO_UBYTE(color[2], cf[2]);
 115         CLAMPED_FLOAT_TO_UBYTE(color[3], cf[3]);
 116         if (rmesa->radeon.radeonScreen->drmSupportsBlendColor)
 117                 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCOLOR] =
 118                     radeonPackColor(4, color[0], color[1], color[2], color[3]);
 119         #endif
 120 }
 121
 122 /**
 123  * Calculate the hardware blend factor setting.  This same function is used
 124  * for source and destination of both alpha and RGB.
 125  *
 126  * \returns
 127  * The hardware register value for the specified blend factor.  This value
 128  * will need to be shifted into the correct position for either source or
 129  * destination factor.
 130  *
 131  * \todo
 132  * Since the two cases where source and destination are handled differently
 133  * are essentially error cases, they should never happen.  Determine if these
 134  * cases can be removed.
 135  */
 136 static int blend_factor(GLenum factor, GLboolean is_src)
 137 {
 138         int func;
 139
 140         switch (factor) {
 141         case GL_ZERO:
 142                 func = R200_BLEND_GL_ZERO;
 143                 break;
 144         case GL_ONE:
 145                 func = R200_BLEND_GL_ONE;
 146                 break;
 147         case GL_DST_COLOR:
 148                 func = R200_BLEND_GL_DST_COLOR;
 149                 break;
 150         case GL_ONE_MINUS_DST_COLOR:
 151                 func = R200_BLEND_GL_ONE_MINUS_DST_COLOR;
 152                 break;
 153         case GL_SRC_COLOR:
 154                 func = R200_BLEND_GL_SRC_COLOR;
 155                 break;
 156         case GL_ONE_MINUS_SRC_COLOR:
 157                 func = R200_BLEND_GL_ONE_MINUS_SRC_COLOR;
 158                 break;
 159         case GL_SRC_ALPHA:
 160                 func = R200_BLEND_GL_SRC_ALPHA;
 161                 break;
 162         case GL_ONE_MINUS_SRC_ALPHA:
 163                 func = R200_BLEND_GL_ONE_MINUS_SRC_ALPHA;
 164                 break;
 165         case GL_DST_ALPHA:
 166                 func = R200_BLEND_GL_DST_ALPHA;
 167                 break;
 168         case GL_ONE_MINUS_DST_ALPHA:
 169                 func = R200_BLEND_GL_ONE_MINUS_DST_ALPHA;
 170                 break;
 171         case GL_SRC_ALPHA_SATURATE:
 172                 func =
 173                     (is_src) ? R200_BLEND_GL_SRC_ALPHA_SATURATE :
 174                     R200_BLEND_GL_ZERO;
 175                 break;
 176         case GL_CONSTANT_COLOR:
 177                 func = R200_BLEND_GL_CONST_COLOR;
 178                 break;
 179         case GL_ONE_MINUS_CONSTANT_COLOR:
 180                 func = R200_BLEND_GL_ONE_MINUS_CONST_COLOR;
 181                 break;
 182         case GL_CONSTANT_ALPHA:
 183                 func = R200_BLEND_GL_CONST_ALPHA;
 184                 break;
 185         case GL_ONE_MINUS_CONSTANT_ALPHA:
 186                 func = R200_BLEND_GL_ONE_MINUS_CONST_ALPHA;
 187                 break;
 188         default:
 189                 func = (is_src) ? R200_BLEND_GL_ONE : R200_BLEND_GL_ZERO;
 190         }
 191         return func;
 192 }
 193
 194 /**
 195  * Sets both the blend equation and the blend function.
 196  * This is done in a single
 197  * function because some blend equations (i.e., \c GL_MIN and \c GL_MAX)
 198  * change the interpretation of the blend function.
 199  * Also, make sure that blend function and blend equation are set to their default
 200  * value if color blending is not enabled, since at least blend equations GL_MIN
 201  * and GL_FUNC_REVERSE_SUBTRACT will cause wrong results otherwise for
 202  * unknown reasons.
 203  */
 204 static void r300_set_blend_state(GLcontext * ctx)
 205 {
 206         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 207         #if 0
 208         GLuint cntl = rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &
 209             ~(R300_ROP_ENABLE | R300_ALPHA_BLEND_ENABLE |
 210               R300_SEPARATE_ALPHA_ENABLE);
 211         #endif
 212
 213         int func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
 214             (R200_BLEND_GL_ZERO << R200_DST_BLEND_SHIFT);
 215         int eqn = R200_COMB_FCN_ADD_CLAMP;
 216         int funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
 217             (R200_BLEND_GL_ZERO << R200_DST_BLEND_SHIFT);
 218         int eqnA = R200_COMB_FCN_ADD_CLAMP;
 219
 220         R300_STATECHANGE(rmesa, bld);
 221
 222         if (rmesa->radeon.radeonScreen->drmSupportsBlendColor) {
 223                 if (ctx->Color._LogicOpEnabled) {
 224                         #if 0
 225                         rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
 226                             cntl | R300_ROP_ENABLE;
 227                         #endif
 228                         rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqn | func;
 229                         rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func;
 230                         return;
 231                 } else if (ctx->Color.BlendEnabled) {
 232                         #if 0
 233                         rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
 234                             cntl | R300_ALPHA_BLEND_ENABLE |
 235                             R300_SEPARATE_ALPHA_ENABLE;
 236                         #endif
 237                 } else {
 238                         #if 0
 239                         rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl;
 240                         #endif
 241                         rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqn | func;
 242                         rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func;
 243                         return;
 244                 }
 245         } else {
 246                 if (ctx->Color._LogicOpEnabled) {
 247                         #if 0
 248                         rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
 249                             cntl | R300_ROP_ENABLE;
 250                         rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
 251                         #endif
 252                         return;
 253                 } else if (ctx->Color.BlendEnabled) {
 254                         #if 0
 255                         rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] =
 256                             cntl | R300_ALPHA_BLEND_ENABLE;
 257                         #endif
 258                 } else {
 259                         #if 0
 260                         rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = cntl;
 261                         rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
 262                         #endif
 263                         return;
 264                 }
 265         }
 266
 267         func =
 268             (blend_factor(ctx->Color.BlendSrcRGB, GL_TRUE) <<
 269              R200_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstRGB,
 270                                                    GL_FALSE) <<
 271                                       R200_DST_BLEND_SHIFT);
 272
 273         switch (ctx->Color.BlendEquationRGB) {
 274         case GL_FUNC_ADD:
 275                 eqn = R300_COMB_FCN_ADD_CLAMP;
 276                 break;
 277
 278         case GL_FUNC_SUBTRACT:
 279                 eqn = R300_COMB_FCN_SUB_CLAMP;
 280                 break;
 281
 282         case GL_FUNC_REVERSE_SUBTRACT:
 283                 eqn = R200_COMB_FCN_RSUB_CLAMP;
 284                 break;
 285
 286         case GL_MIN:
 287                 eqn = R200_COMB_FCN_MIN;
 288                 func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
 289                     (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
 290                 break;
 291
 292         case GL_MAX:
 293                 eqn = R200_COMB_FCN_MAX;
 294                 func = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
 295                     (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
 296                 break;
 297
 298         default:
 299                 fprintf(stderr,
 300                         "[%s:%u] Invalid RGB blend equation (0x%04x).\n",
 301                         __func__, __LINE__, ctx->Color.BlendEquationRGB);
 302                 return;
 303         }
 304
 305         if (!rmesa->radeon.radeonScreen->drmSupportsBlendColor) {
 306                 #if 0
 307                 rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = eqn | func;
 308                 #endif
 309                 return;
 310         }
 311
 312         funcA =
 313             (blend_factor(ctx->Color.BlendSrcA, GL_TRUE) <<
 314              R200_SRC_BLEND_SHIFT) | (blend_factor(ctx->Color.BlendDstA,
 315                                                    GL_FALSE) <<
 316                                       R200_DST_BLEND_SHIFT);
 317
 318         switch (ctx->Color.BlendEquationA) {
 319         case GL_FUNC_ADD:
 320                 eqnA = R300_COMB_FCN_ADD_CLAMP;
 321                 break;
 322
 323         case GL_FUNC_SUBTRACT:
 324                 eqnA = R300_COMB_FCN_SUB_CLAMP;
 325                 break;
 326
 327         case GL_FUNC_REVERSE_SUBTRACT:
 328                 eqnA = R200_COMB_FCN_RSUB_CLAMP;
 329                 break;
 330
 331         case GL_MIN:
 332                 eqnA = R200_COMB_FCN_MIN;
 333                 funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
 334                     (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
 335                 break;
 336
 337         case GL_MAX:
 338                 eqnA = R200_COMB_FCN_MAX;
 339                 funcA = (R200_BLEND_GL_ONE << R200_SRC_BLEND_SHIFT) |
 340                     (R200_BLEND_GL_ONE << R200_DST_BLEND_SHIFT);
 341                 break;
 342
 343         default:
 344                 fprintf(stderr, "[%s:%u] Invalid A blend equation (0x%04x).\n",
 345                         __func__, __LINE__, ctx->Color.BlendEquationA);
 346                 return;
 347         }
 348
 349         rmesa->hw.bld.cmd[R300_BLD_ABLEND] = eqnA | funcA;
 350         rmesa->hw.bld.cmd[R300_BLD_CBLEND] = eqn | func ;
 351         if(rmesa->hw.bld.cmd[R300_BLD_ABLEND] == rmesa->hw.bld.cmd[R300_BLD_CBLEND]){
 352                 rmesa->hw.bld.cmd[R300_BLD_CBLEND] |= R300_BLEND_UNKNOWN | R300_BLEND_ENABLE | R300_BLEND_NO_SEPARATE;
 353                 } else {
 354                 rmesa->hw.bld.cmd[R300_BLD_CBLEND] |= R300_BLEND_UNKNOWN | R300_BLEND_ENABLE;
 355                 }
 356
 357 }
 358
 359 static void r300BlendEquationSeparate(GLcontext * ctx,
 360                                       GLenum modeRGB, GLenum modeA)
 361 {
 362         r300_set_blend_state(ctx);
 363 }
 364
 365 static void r300BlendFuncSeparate(GLcontext * ctx,
 366                                   GLenum sfactorRGB, GLenum dfactorRGB,
 367                                   GLenum sfactorA, GLenum dfactorA)
 368 {
 369         r300_set_blend_state(ctx);
 370 }
 371
 372 /**
 373  * Update our tracked culling state based on Mesa's state.
 374  */
 375 static void r300UpdateCulling(GLcontext* ctx)
 376 {
 377         r300ContextPtr r300 = R300_CONTEXT(ctx);
 378         uint32_t val = 0;
 379
 380         R300_STATECHANGE(r300, cul);
 381         if (ctx->Polygon.CullFlag) {
 382                 if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
 383                         val = R300_CULL_FRONT|R300_CULL_BACK;
 384                 else if (ctx->Polygon.CullFaceMode == GL_FRONT)
 385                         val = R300_CULL_FRONT;
 386                 else
 387                         val = R300_CULL_BACK;
 388
 389                 if (ctx->Polygon.FrontFace == GL_CW)
 390                         val |= R300_FRONT_FACE_CW;
 391                 else
 392                         val |= R300_FRONT_FACE_CCW;
 393         }
 394
 395         r300->hw.cul.cmd[R300_CUL_CULL] = val;
 396 }
 397
 398
 399 /**
 400  * Handle glEnable()/glDisable().
 401  *
 402  * \note Mesa already filters redundant calls to glEnable/glDisable.
 403  */
 404 static void r300Enable(GLcontext* ctx, GLenum cap, GLboolean state)
 405 {
 406         r300ContextPtr r300 = R300_CONTEXT(ctx);
 407         uint32_t newval;
 408
 409         if (RADEON_DEBUG & DEBUG_STATE)
 410                 fprintf(stderr, "%s( %s = %s )\n", __FUNCTION__,
 411                         _mesa_lookup_enum_by_nr(cap),
 412                         state ? "GL_TRUE" : "GL_FALSE");
 413
 414         switch (cap) {
 415         case GL_DEPTH_TEST:
 416                 R300_STATECHANGE(r300, zc);
 417
 418                 if (state) {
 419                         if (ctx->Depth.Mask)
 420                                 newval = R300_RB3D_Z_TEST_AND_WRITE;
 421                         else
 422                                 newval = R300_RB3D_Z_TEST;
 423                 } else
 424                         newval = 0;
 425
 426                 r300->hw.zc.cmd[R300_ZC_CNTL_0] = newval;
 427                 break;
 428
 429         case GL_CULL_FACE:
 430                 r300UpdateCulling(ctx);
 431                 break;
 432
 433         default:
 434                 radeonEnable(ctx, cap, state);
 435                 return;
 436         }
 437 }
 438
 439
 440 /**
 441  * Change the culling mode.
 442  *
 443  * \note Mesa already filters redundant calls to this function.
 444  */
 445 static void r300CullFace(GLcontext* ctx, GLenum mode)
 446 {
 447         (void)mode;
 448
 449         r300UpdateCulling(ctx);
 450 }
 451
 452
 453 /**
 454  * Change the polygon orientation.
 455  *
 456  * \note Mesa already filters redundant calls to this function.
 457  */
 458 static void r300FrontFace(GLcontext* ctx, GLenum mode)
 459 {
 460         (void)mode;
 461
 462         r300UpdateCulling(ctx);
 463 }
 464
 465
 466 /**
 467  * Change the depth testing function.
 468  *
 469  * \note Mesa already filters redundant calls to this function.
 470  */
 471 static void r300DepthFunc(GLcontext* ctx, GLenum func)
 472 {
 473         r300ContextPtr r300 = R300_CONTEXT(ctx);
 474
 475         R300_STATECHANGE(r300, zc);
 476
 477         switch(func) {
 478         case GL_NEVER:
 479                 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_NEVER;
 480                 break;
 481         case GL_LESS:
 482                 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_LESS;
 483                 break;
 484         case GL_EQUAL:
 485                 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_EQUAL;
 486                 break;
 487         case GL_LEQUAL:
 488                 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_LEQUAL;
 489                 break;
 490         case GL_GREATER:
 491                 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_GREATER;
 492                 break;
 493         case GL_NOTEQUAL:
 494                 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_NEQUAL;
 495                 break;
 496         case GL_GEQUAL:
 497                 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_GEQUAL;
 498                 break;
 499         case GL_ALWAYS:
 500                 r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_ALWAYS;
 501                 break;
 502         }
 503 }
 504
 505
 506 /**
 507  * Enable/Disable depth writing.
 508  *
 509  * \note Mesa already filters redundant calls to this function.
 510  */
 511 static void r300DepthMask(GLcontext* ctx, GLboolean mask)
 512 {
 513         r300ContextPtr r300 = R300_CONTEXT(ctx);
 514
 515         if (!ctx->Depth.Test)
 516                 return;
 517
 518         R300_STATECHANGE(r300, zc);
 519         r300->hw.zc.cmd[R300_ZC_CNTL_0] = mask
 520                 ? R300_RB3D_Z_TEST_AND_WRITE : R300_RB3D_Z_TEST;
 521 }
 522
 523
 524 /**
 525  * Handle glColorMask()
 526  */
 527 static void r300ColorMask(GLcontext* ctx,
 528                           GLboolean r, GLboolean g, GLboolean b, GLboolean a)
 529 {
 530         r300ContextPtr r300 = R300_CONTEXT(ctx);
 531         int mask = (b << 0) | (g << 1) | (r << 2) | (a << 3);
 532
 533         if (mask != r300->hw.cmk.cmd[R300_CMK_COLORMASK]) {
 534                 R300_STATECHANGE(r300, cmk);
 535                 r300->hw.cmk.cmd[R300_CMK_COLORMASK] = mask;
 536         }
 537 }
 538
 539 /* =============================================================
 540  * Point state
 541  */
 542 static void r300PointSize(GLcontext * ctx, GLfloat size)
 543 {
 544         r300ContextPtr r300 = R300_CONTEXT(ctx);
 545
 546         /* This might need fixing later */
 547         R300_STATECHANGE(r300, vps);
 548         r300->hw.vps.cmd[R300_VPS_POINTSIZE] = r300PackFloat32(1.0);
 549 }
 550
 551 /* =============================================================
 552  * Window position and viewport transformation
 553  */
 554
 555 /*
 556  * To correctly position primitives:
 557  */
 558 #define SUBPIXEL_X 0.125
 559 #define SUBPIXEL_Y 0.125
 560
 561 void r300UpdateWindow(GLcontext * ctx)
 562 {
 563         r300ContextPtr rmesa = R300_CONTEXT(ctx);
 564         __DRIdrawablePrivate *dPriv = rmesa->radeon.dri.drawable;
 565         GLfloat xoffset = dPriv ? (GLfloat) dPriv->x : 0;
 566         GLfloat yoffset = dPriv ? (GLfloat) dPriv->y + dPriv->h : 0;
 567         const GLfloat *v = ctx->Viewport._WindowMap.m;
 568
 569         GLfloat sx = v[MAT_SX];
 570         GLfloat tx = v[MAT_TX] + xoffset + SUBPIXEL_X;
 571         GLfloat sy = -v[MAT_SY];
 572         GLfloat ty = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y;
 573         GLfloat sz = v[MAT_SZ] * rmesa->state.depth.scale;
 574         GLfloat tz = v[MAT_TZ] * rmesa->state.depth.scale;
 575
 576         R300_FIREVERTICES(rmesa);
 577         R300_STATECHANGE(rmesa, vpt);
 578
 579         rmesa->hw.vpt.cmd[R300_VPT_XSCALE]  = r300PackFloat32(sx);
 580         rmesa->hw.vpt.cmd[R300_VPT_XOFFSET] = r300PackFloat32(tx);
 581         rmesa->hw.vpt.cmd[R300_VPT_YSCALE]  = r300PackFloat32(sy);
 582         rmesa->hw.vpt.cmd[R300_VPT_YOFFSET] = r300PackFloat32(ty);
 583         rmesa->hw.vpt.cmd[R300_VPT_ZSCALE]  = r300PackFloat32(sz);
 584         rmesa->hw.vpt.cmd[R300_VPT_ZOFFSET] = r300PackFloat32(tz);
 585 }
 586
 587 static void r300Viewport(GLcontext * ctx, GLint x, GLint y,
 588                          GLsizei width, GLsizei height)
 589 {
 590         /* Don't pipeline viewport changes, conflict with window offset
 591          * setting below.  Could apply deltas to rescue pipelined viewport
 592          * values, or keep the originals hanging around.
 593          */
 594         R200_FIREVERTICES(R200_CONTEXT(ctx));
 595         r300UpdateWindow(ctx);
 596 }
 597
 598 static void r300DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
 599 {
 600         r300UpdateWindow(ctx);
 601 }
 602
 603 /* Routing and texture-related */
 604
 605 void r300_setup_routing(GLcontext *ctx, GLboolean immediate)
 606 {
 607         int i, count=0,reg=0;
 608         GLuint dw, mask;
 609         TNLcontext *tnl = TNL_CONTEXT(ctx);
 610         struct vertex_buffer *VB = &tnl->vb;
 611         r300ContextPtr r300 = R300_CONTEXT(ctx);
 612
 613
 614         /* Stage 1 - input to VAP */
 615
 616         /* Assign register number automatically, retaining it in rmesa->state.reg */
 617
 618         /* Note: immediate vertex data includes all coordinates.
 619         To save bandwidth use either VBUF or state-based vertex generation */
 620
 621         #define CONFIGURE_AOS(v, o, r, f) \
 622                 {\
 623                 if(immediate){ \
 624                         r300->state.aos[count].element_size=4; \
 625                         r300->state.aos[count].stride=4; \
 626                         r300->state.aos[count].ncomponents=4; \
 627                         } else { \
 628                         r300->state.aos[count].element_size=v->size; \
 629                         r300->state.aos[count].stride=v->size; \
 630                         r300->state.aos[count].ncomponents=v->size; \
 631                         } \
 632                 r300->state.aos[count].offset=o; \
 633                 r300->state.aos[count].reg=reg; \
 634                 r300->state.aos[count].format=(f); \
 635                 r300->state.vap_reg.r=reg; \
 636                 count++; \
 637                 reg++; \
 638                 }
 639
 640                 /* All offsets are 0 - for use by immediate mode.
 641                 Should change later to handle vertex buffers */
 642         CONFIGURE_AOS(VB->ObjPtr, 0, i_coords, AOS_FORMAT_FLOAT);
 643         CONFIGURE_AOS(VB->ColorPtr[0], 0, i_color[0], AOS_FORMAT_FLOAT_COLOR);
 644         for(i=0;i < ctx->Const.MaxTextureUnits;i++)
 645                 if(ctx->Texture.Unit[i].Enabled)
 646                         CONFIGURE_AOS(VB->TexCoordPtr[i], 0, i_tex[i], AOS_FORMAT_FLOAT);
 647
 648         r300->state.aos_count=count;
 649
 650         if (RADEON_DEBUG & DEBUG_STATE)
 651                 fprintf(stderr, "aos_count=%d\n", count);
 652
 653         if(count>R300_MAX_AOS_ARRAYS){
 654                 fprintf(stderr, "Aieee ! AOS array count exceeded !\n");
 655                 exit(-1);
 656                 }
 657
 658         /* Implement AOS */
 659
 660         /* setup INPUT_ROUTE */
 661         R300_STATECHANGE(r300, vir[0]);
 662         for(i=0;i+1<count;i+=2){
 663                 dw=(r300->state.aos[i].ncomponents-1)
 664                 | ((r300->state.aos[i].reg)<<8)
 665                 | (r300->state.aos[i].format<<14)
 666                 | (((r300->state.aos[i+1].ncomponents-1)
 667                 | ((r300->state.aos[i+1].reg)<<8)
 668                 | (r300->state.aos[i+1].format<<14))<<16);
 669
 670                 if(i+2==count){
 671                         dw|=(1<<(13+16));
 672                         }
 673                 r300->hw.vir[0].cmd[R300_VIR_CNTL_0+(i>>1)]=dw;
 674                 }
 675         if(count & 1){
 676                 dw=(r300->state.aos[count-1].ncomponents-1)
 677                 | (r300->state.aos[count-1].format<<14)
 678                 | ((r300->state.aos[count-1].reg)<<8)
 679                 | (1<<13);
 680                 r300->hw.vir[0].cmd[R300_VIR_CNTL_0+(count>>1)]=dw;
 681                 //fprintf(stderr, "vir0 dw=%08x\n", dw);
 682                 }
 683         /* Set the rest of INPUT_ROUTE_0 to 0 */
 684         //for(i=((count+1)>>1); i<8; i++)r300->hw.vir[0].cmd[R300_VIR_CNTL_0+i]=(0x0);
 685         ((drm_r300_cmd_header_t*)r300->hw.vir[0].cmd)->unchecked_state.count = (count+1)>>1;
 686
 687
 688         /* Mesa assumes that all missing components are from (0, 0, 0, 1) */
 689         #define ALL_COMPONENTS ((R300_INPUT_ROUTE_SELECT_X<<R300_INPUT_ROUTE_X_SHIFT) \
 690                 | (R300_INPUT_ROUTE_SELECT_Y<<R300_INPUT_ROUTE_Y_SHIFT) \
 691                 | (R300_INPUT_ROUTE_SELECT_Z<<R300_INPUT_ROUTE_Z_SHIFT) \
 692                 | (R300_INPUT_ROUTE_SELECT_W<<R300_INPUT_ROUTE_W_SHIFT))
 693
 694         #define ALL_DEFAULT ((R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_X_SHIFT) \
 695                 | (R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_Y_SHIFT) \
 696                 | (R300_INPUT_ROUTE_SELECT_ZERO<<R300_INPUT_ROUTE_Z_SHIFT) \
 697                 | (R300_INPUT_ROUTE_SELECT_ONE<<R300_INPUT_ROUTE_W_SHIFT))
 698
 699         R300_STATECHANGE(r300, vir[1]);
 700
 701         for(i=0;i+1<count;i+=2){
 702                 /* do i first.. */
 703                 mask=(1<<(r300->state.aos[i].ncomponents*3))-1;
 704                 dw=(ALL_COMPONENTS & mask)
 705                 | (ALL_DEFAULT & ~mask)
 706                 | R300_INPUT_ROUTE_ENABLE;
 707
 708                 /* i+1 */
 709                 mask=(1<<(r300->state.aos[i+1].ncomponents*3))-1;
 710                 dw|=(
 711                 (ALL_COMPONENTS & mask)
 712                 | (ALL_DEFAULT & ~mask)
 713                 | R300_INPUT_ROUTE_ENABLE
 714                 )<<16;
 715
 716                 r300->hw.vir[1].cmd[R300_VIR_CNTL_0+(i>>1)]=dw;
 717                 }
 718         if(count & 1){
 719                 mask=(1<<(r300->state.aos[count-1].ncomponents*3))-1;
 720                 dw=(ALL_COMPONENTS & mask)
 721                 | (ALL_DEFAULT & ~mask)
 722                 | R300_INPUT_ROUTE_ENABLE;
 723                 r300->hw.vir[1].cmd[R300_VIR_CNTL_0+(count>>1)]=dw;
 724                 //fprintf(stderr, "vir1 dw=%08x\n", dw);
 725                 }
 726         /* Set the rest of INPUT_ROUTE_1 to 0 */
 727         //for(i=((count+1)>>1); i<8; i++)r300->hw.vir[1].cmd[R300_VIR_CNTL_0+i]=0x0;
 728         ((drm_r300_cmd_header_t*)r300->hw.vir[1].cmd)->unchecked_state.count = (count+1)>>1;
 729
 730         /* Set up input_cntl */
 731
 732         R300_STATECHANGE(r300, vic);
 733         r300->hw.vic.cmd[R300_VIC_CNTL_0]=0x5555;  /* Hard coded value, no idea what it means */
 734
 735         r300->hw.vic.cmd[R300_VIC_CNTL_1]=R300_INPUT_CNTL_POS
 736                                         | R300_INPUT_CNTL_COLOR;
 737
 738         for(i=0;i < ctx->Const.MaxTextureUnits;i++)
 739                 if(ctx->Texture.Unit[i].Enabled)
 740                         r300->hw.vic.cmd[R300_VIC_CNTL_1]|=(R300_INPUT_CNTL_TC0<<i);
 741
 742         /* Stage 3: VAP output */
 743         R300_STATECHANGE(r300, vof);
 744         r300->hw.vof.cmd[R300_VOF_CNTL_0]=R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
 745                                         | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
 746
 747         r300->hw.vof.cmd[R300_VOF_CNTL_1]=0;
 748         for(i=0;i < ctx->Const.MaxTextureUnits;i++)
 749                 if(ctx->Texture.Unit[i].Enabled)
 750                         r300->hw.vof.cmd[R300_VOF_CNTL_1]|=(4<<(3*i));
 751
 752 }
 753
 754 static r300TexObj default_tex_obj={
 755         filter:R300_TX_MAG_FILTER_LINEAR | R300_TX_MIN_FILTER_LINEAR,
 756         pitch: 0x8000,
 757         size: (0xff << R300_TX_WIDTHMASK_SHIFT)
 758               | (0xff << R300_TX_HEIGHTMASK_SHIFT)
 759               | (0x8 << R300_TX_SIZE_SHIFT),
 760         format: 0x88a0c,
 761         offset: 0x0,
 762         unknown4: 0x0,
 763         unknown5: 0x0
 764         };
 765
 766         /* there is probably a system to these value, but, for now,
 767            we just try by hand */
 768
 769 static int inline translate_src(int src)
 770 {
 771         switch (src) {
 772         case GL_TEXTURE:
 773                 return 1;
 774                 break;
 775         case GL_CONSTANT:
 776                 return 2;
 777                 break;
 778         case GL_PRIMARY_COLOR:
 779                 return 3;
 780                 break;
 781         case GL_PREVIOUS:
 782                 return 4;
 783                 break;
 784         case GL_ZERO:
 785                 return 5;
 786                 break;
 787         case GL_ONE:
 788                 return 6;
 789                 break;
 790         default:
 791                 return 0;
 792         }
 793 }
 794
 795 static int known_formats[]={
 796         0x0,
 797         0xAA06,
 798         0xA60E,
 799         0xA60E,
 800         0xA60A,
 801         0x8860C,
 802         0x88A0C,
 803         0xA00,
 804         0xA61D,
 805         0xA61D,
 806         0xA61A,
 807         0xA61A,
 808         -1
 809         };
 810
 811 /* I think 357 and 457 are prime numbers.. wiggle them if you get coincidences */
 812 #define FORMAT_HASH(opRGB, srcRGB, modeRGB, opA, srcA, modeA, format, intFormat)        ( \
 813         (\
 814         ((opRGB)<<30) | ((opA)<<28) | \
 815         ((srcRGB)<< 25) | ((srcA)<<22) | \
 816         ((modeRGB)) \
 817         ) \
 818         ^ ((modeA)*357) \
 819         ^ (((format)) *457) \
 820         ^ ((intFormat) * 7) \
 821         )
 822
 823
 824 static GLuint translate_texture_format(GLcontext *ctx, GLint tex_unit, GLuint format, GLint IntFormat)
 825 {
 826         const struct gl_texture_unit *texUnit= &ctx->Texture.Unit[tex_unit];
 827         int i=0; /* number of alpha args .. */
 828         GLuint fmt;
 829
 830         switch(IntFormat){
 831                 case 4:
 832                 case GL_RGBA:
 833                 case GL_RGBA8:
 834                         fmt=R300_EASY_TX_FORMAT(Z, Y, X, W, R8G8B8A8);
 835                         break;
 836                 case 3:
 837                 case GL_RGB8:
 838                         fmt=R300_EASY_TX_FORMAT(Z, Y, X, ONE, R8G8B8A8);
 839                         break;
 840                 default:
 841                         return 0;
 842                 }
 843         #if 0
 844         //fmt &= 0x00fff;
 845         //fmt |= ((format) & 0xff00)<<4;
 846         fprintf(stderr, "NumArgsRGB=%d NumArgsA=%d\n",
 847                 texUnit->_CurrentCombine->_NumArgsRGB,
 848                 texUnit->_CurrentCombine->_NumArgsA);
 849
 850         fprintf(stderr, "fmt=%08x\n", fmt);
 851         #endif
 852         //return fmt;
 853         /* Size field in format specific first */
 854         switch(FORMAT_HASH(
 855                 texUnit->_CurrentCombine->OperandRGB[i] -GL_SRC_COLOR,
 856                 translate_src(texUnit->_CurrentCombine->SourceRGB[i]),
 857                 texUnit->_CurrentCombine->ModeRGB,
 858                 texUnit->_CurrentCombine->OperandA[i] -GL_SRC_ALPHA,
 859                 translate_src(texUnit->_CurrentCombine->SourceA[i]),
 860                 texUnit->_CurrentCombine->ModeA,
 861                 format,
 862                 IntFormat
 863                 )){
 864         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x0008847, GL_RGBA):
 865                 /* tested with:
 866                         kfiresaver.kss
 867                         */
 868                 return 0x760c; /* kfiresaver.kss */
 869         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x0008847, GL_RGBA8):
 870                 /* tested with:
 871                         Quake3demo
 872                         */
 873                 return fmt;
 874                 return 0x860c; /* Quake3demo -small font on the bottom */
 875         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00005547, GL_RGBA8):
 876                 return fmt;
 877                 return 0x4860c;
 878                 return 0;
 879                 return 0x8a0c; /* Quake3demo - mouse cursor*/
 880         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00007747, 4):
 881                 /* tested with:
 882                         kfiresaver.kss
 883                         */
 884                 return R300_EASY_TX_FORMAT(Y, Z, W, ONE, R8G8B8A8);
 885                 return 0x4b60c;
 886         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00005547, 4):
 887                 /* tested with:
 888                         kfiresaver.kss
 889                         kfountain.kss
 890                         */
 891                 return R300_EASY_TX_FORMAT(Y, Z, W, ONE, R8G8B8A8);
 892                 return 0x51a0c;
 893         case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00008847, 3):
 894                 /* tested with
 895                         lesson 06
 896                         lesson 07
 897                         */
 898         case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00007747, 0x00000003):
 899                 /* Tested with NeHe lesson 08 */
 900         //case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x0005547, 0):
 901                 /* Can't remember what I tested this with..
 902                    try putting return 0 of you see broken textures which
 903                    are not being complained about */
 904         case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00009947, GL_RGB8):
 905         case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00007747, GL_RGB8):
 906         case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00003347, GL_RGB8):
 907         case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00008947, 3):
 908                 /* Tested with:
 909                         Quake3demo
 910                         */
 911                 return R300_EASY_TX_FORMAT(Y, Z, W, ONE, R8G8B8A8);
 912                 return 0x53a0c;
 913         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00007847, GL_RGBA8):
 914         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00006747, GL_RGBA8):
 915         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00006647, GL_RGBA8):
 916         case FORMAT_HASH(0, 1, 0x2100, 0, 4, 0x1e01, 0x00008947, GL_RGBA8):
 917                 /* Tested with:
 918                         Quake3demo
 919                         */
 920                 return R300_EASY_TX_FORMAT(Y, Z, W, W, R8G8B8A8);
 921                 return 0x5360c;
 922         case FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x00007747, GL_RGBA8):
 923                 return R300_EASY_TX_FORMAT(Z, Y, X, W, R8G8B8A8) ;
 924         case  FORMAT_HASH(0, 1, 0x2100, 0, 1, 0x2100, 0x0008845, 0x00008056):
 925                 //return 0;
 926                 fprintf(stderr, "***\n");
 927                 return R300_EASY_TX_FORMAT(Y, Z, W, W, R8G8B8A8);
 928                 return 0x53a23;
 929         }
 930
 931
 932         {
 933                 static int warn_once=1;
 934                 if(warn_once){
 935                         fprintf(stderr, "%s:%s Do not know how to translate texture format - help me !\n",
 936                                 __FILE__, __FUNCTION__);
 937                         warn_once=0;
 938                         }
 939         }
 940                 return 0;
 941 }
 942
 943 void r300_setup_textures(GLcontext *ctx)
 944 {
 945         int i, mtu;
 946         struct r300_tex_obj *t;
 947         r300ContextPtr r300 = R300_CONTEXT(ctx);
 948         int max_texture_unit=-1; /* -1 translates into no setup costs for fields */
 949         struct gl_texture_unit *texUnit;
 950
 951         R300_STATECHANGE(r300, txe);
 952         R300_STATECHANGE(r300, tex.filter);
 953         R300_STATECHANGE(r300, tex.unknown1);
 954         R300_STATECHANGE(r300, tex.size);
 955         R300_STATECHANGE(r300, tex.format);
 956         R300_STATECHANGE(r300, tex.offset);
 957         R300_STATECHANGE(r300, tex.unknown4);
 958         R300_STATECHANGE(r300, tex.unknown5);
 959
 960         r300->state.texture.tc_count=0;
 961
 962         r300->hw.txe.cmd[R300_TXE_ENABLE]=0x0;
 963
 964         mtu = r300->radeon.glCtx->Const.MaxTextureUnits;
 965         if (RADEON_DEBUG & DEBUG_STATE)
 966                 fprintf(stderr, "mtu=%d\n", mtu);
 967
 968         if(mtu>R300_MAX_TEXTURE_UNITS){
 969                 fprintf(stderr, "Aiiee ! mtu=%d is greater than R300_MAX_TEXTURE_UNITS=%d\n",
 970                         mtu, R300_MAX_TEXTURE_UNITS);
 971                 exit(-1);
 972                 }
 973         for(i=0;i<mtu;i++){
 974                 if(ctx->Texture.Unit[i].Enabled){
 975                         t=r300->state.texture.unit[i].texobj;
 976                         r300->state.texture.tc_count++;
 977                         if(t==NULL){
 978                                 fprintf(stderr, "Texture unit %d enabled, but corresponding texobj is NULL, using default object.\n", i);
 979                                 //exit(-1);
 980                                 t=&default_tex_obj;
 981                                 }
 982                         if (RADEON_DEBUG & DEBUG_STATE)
 983                                 fprintf(stderr, "Activating texture unit %d\n", i);
 984                         max_texture_unit=i;
 985                         r300->hw.txe.cmd[R300_TXE_ENABLE]|=(1<<i);
 986
 987                         r300->hw.tex.filter.cmd[R300_TEX_VALUE_0+i]=t->filter;
 988
 989                         /* Turn off rest of the bits that are wrong */
 990                         t->filter &= R300_TX_MIN_FILTER_MASK | R300_TX_MAG_FILTER_MASK;
 991
 992                         /* No idea why linear filtered textures shake when puting random data */
 993                         /*r300->hw.tex.unknown1.cmd[R300_TEX_VALUE_0+i]=(rand()%0xffffffff) & (~0x1fff);*/
 994                         r300->hw.tex.size.cmd[R300_TEX_VALUE_0+i]=t->size;
 995                         r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=t->format;
 996                         r300->hw.tex.offset.cmd[R300_TEX_VALUE_0+i]=r300->radeon.radeonScreen->fbLocation+t->offset;
 997                         r300->hw.tex.unknown4.cmd[R300_TEX_VALUE_0+i]=0x0;
 998                         r300->hw.tex.unknown5.cmd[R300_TEX_VALUE_0+i]=0x0;
 999
1000                         /* We don't know how to set this yet */
1001                         //value from r300_lib.c for RGB24
1002                         //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x88a0c;
1003                         r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=translate_texture_format(ctx, i, t->format,
1004                                 r300->state.texture.unit[i].texobj!=NULL?t->base.tObj->Image[0][0]->IntFormat:3);
1005
1006
1007                         #if 0
1008                         fprintf(stderr, "pitch=%08x filter=%08x format=%08x\n", t->pitch, t->filter, r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]);
1009                         fprintf(stderr, "unknown1=%08x size=%08x\n", r300->hw.tex.unknown1.cmd[R300_TEX_VALUE_0+i],
1010                                 r300->hw.tex.size.cmd[R300_TEX_VALUE_0+i]);
1011                         #endif
1012                         /* Use the code below to quickly find matching texture
1013                            formats. Requires an app that displays the same texture
1014                            repeatedly  */
1015                               #if 1
1016                                 if(r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]==0){
1017                                         static int fmt=0x0;
1018                                         static int k=0;
1019                                         k++;
1020                                         if(k>20){
1021                                                 k=0;
1022                                                 fmt++;
1023                                                 texUnit = &ctx->Texture.Unit[i];
1024                                                 fprintf(stderr, "Want to set FORMAT_HASH(%d, %d, 0x%04x, %d, %d, 0x%04x, 0x%08x, %s(%08x))\n",
1025                                                         texUnit->_CurrentCombine->OperandRGB[0] -GL_SRC_COLOR,
1026                                                         translate_src(texUnit->_CurrentCombine->SourceRGB[0]),
1027                                                         texUnit->_CurrentCombine->ModeRGB,
1028                                                         texUnit->_CurrentCombine->OperandA[0] -GL_SRC_ALPHA,
1029                                                         translate_src(texUnit->_CurrentCombine->SourceA[0]),
1030                                                         texUnit->_CurrentCombine->ModeA,
1031                                                         t->format,
1032                                                         _mesa_lookup_enum_by_nr(t->base.tObj->Image[0][0]->IntFormat),
1033                                                         t->base.tObj->Image[0][0]->IntFormat
1034                                                         );
1035                                                 fprintf(stderr, "Also known: format_x=%08x border_color=%08x cubic_faces=%08x\n", t->format_x, t->pp_border_color, t->pp_cubic_faces);
1036                                                 fprintf(stderr, "\t_ReallyEnabled=%08x EnvMode=%08x IntFormat=%08x\n", texUnit->_ReallyEnabled, texUnit->EnvMode,  t->base.tObj->Image[0][0]->IntFormat);
1037                                                 if(fmt>0xfff){
1038                                                         fmt=0;
1039                                                         }
1040                                                 //sleep(1);
1041                                                 fprintf(stderr, "Now trying format %08x\n",
1042                                                         fmt);
1043                                                 fprintf(stderr, "size=%08x\n", t->size);
1044                                                 }
1045                                         //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=known_formats[fmt];
1046                                         r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=
1047                                                 R300_EASY_TX_FORMAT(Z, Y, X, W, R8G8B8A8)  | (fmt<<21);
1048                                         //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x08a0c | (fmt<<16);
1049                                         //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x58a00 | (fmt);
1050                                         //r300->hw.tex.format.cmd[R300_TEX_VALUE_0+i]=0x53a0c | (fmt<<24);
1051                                         }
1052                               #endif
1053
1054                         }
1055
1056                 }
1057         ((drm_r300_cmd_header_t*)r300->hw.tex.filter.cmd)->unchecked_state.count = max_texture_unit+1;
1058         ((drm_r300_cmd_header_t*)r300->hw.tex.unknown1.cmd)->unchecked_state.count = max_texture_unit+1;
1059         ((drm_r300_cmd_header_t*)r300->hw.tex.size.cmd)->unchecked_state.count = max_texture_unit+1;
1060         ((drm_r300_cmd_header_t*)r300->hw.tex.format.cmd)->unchecked_state.count = max_texture_unit+1;
1061         ((drm_r300_cmd_header_t*)r300->hw.tex.offset.cmd)->unchecked_state.count = max_texture_unit+1;
1062         ((drm_r300_cmd_header_t*)r300->hw.tex.unknown4.cmd)->unchecked_state.count = max_texture_unit+1;
1063         ((drm_r300_cmd_header_t*)r300->hw.tex.unknown5.cmd)->unchecked_state.count = max_texture_unit+1;
1064
1065         if (RADEON_DEBUG & DEBUG_STATE)
1066                 fprintf(stderr, "TX_ENABLE: %08x  max_texture_unit=%d\n", r300->hw.txe.cmd[R300_TXE_ENABLE], max_texture_unit);
1067 }
1068
1069 void r300_setup_rs_unit(GLcontext *ctx)
1070 {
1071         r300ContextPtr r300 = R300_CONTEXT(ctx);
1072         int i;
1073
1074         /* This needs to be rewritten - it is a hack at best */
1075
1076         R300_STATECHANGE(r300, ri);
1077         R300_STATECHANGE(r300, rc);
1078         R300_STATECHANGE(r300, rr);
1079
1080         for(i = 1; i <= 8; ++i)
1081                 r300->hw.ri.cmd[i] = 0x00d10000;
1082         r300->hw.ri.cmd[R300_RI_INTERP_1] |= R300_RS_INTERP_1_UNKNOWN;
1083         r300->hw.ri.cmd[R300_RI_INTERP_2] |= R300_RS_INTERP_2_UNKNOWN;
1084         r300->hw.ri.cmd[R300_RI_INTERP_3] |= R300_RS_INTERP_3_UNKNOWN;
1085
1086         for(i = 1; i <= 8; ++i)
1087                 r300->hw.rr.cmd[i] = 0;
1088         /* textures enabled ? */
1089         if(r300->state.texture.tc_count>0){
1090
1091                 /* This code only really works with one set of texture coordinates */
1092
1093                 /* The second constant is needed to get glxgears display anything .. */
1094                 r300->hw.rc.cmd[1] = R300_RS_CNTL_0_UNKNOWN_7
1095                                 | R300_RS_CNTL_0_UNKNOWN_18
1096                                 | (r300->state.texture.tc_count<<R300_RS_CNTL_TC_CNT_SHIFT);
1097                 r300->hw.rc.cmd[2] = 0xc0;
1098
1099
1100                 ((drm_r300_cmd_header_t*)r300->hw.rr.cmd)->unchecked_state.count = 1;
1101                 r300->hw.rr.cmd[R300_RR_ROUTE_0] = 0x24008;
1102
1103                 } else {
1104
1105                 /* The second constant is needed to get glxgears display anything .. */
1106                 r300->hw.rc.cmd[1] = R300_RS_CNTL_0_UNKNOWN_7 | R300_RS_CNTL_0_UNKNOWN_18;
1107                 r300->hw.rc.cmd[2] = 0;
1108
1109                 ((drm_r300_cmd_header_t*)r300->hw.rr.cmd)->unchecked_state.count = 1;
1110                 r300->hw.rr.cmd[R300_RR_ROUTE_0] = 0x4000;
1111
1112                 }
1113 }
1114
1115 #define vpucount(ptr) (((drm_r300_cmd_header_t*)(ptr))->vpu.count)
1116
1117 #define bump_vpu_count(ptr, new_count)   do{\
1118         drm_r300_cmd_header_t* _p=((drm_r300_cmd_header_t*)(ptr));\
1119         int _nc=(new_count)/4; \
1120         if(_nc>_p->vpu.count)_p->vpu.count=_nc;\
1121         }while(0)
1122
1123 void static inline setup_vertex_shader_fragment(r300ContextPtr r300, int dest, struct r300_vertex_shader_fragment *vsf)
1124 {
1125         int i;
1126
1127         if(vsf->length==0)return;
1128
1129         if(vsf->length & 0x3){
1130                 fprintf(stderr,"VERTEX_SHADER_FRAGMENT must have length divisible by 4\n");
1131                 exit(-1);
1132                 }
1133
1134         switch((dest>>8) & 0xf){
1135         case 0:
1136                 R300_STATECHANGE(r300, vpi);
1137                 for(i=0;i<vsf->length;i++)
1138                         r300->hw.vpi.cmd[R300_VPI_INSTR_0+i+4*(dest & 0xff)]=(vsf->body.d[i]);
1139                 bump_vpu_count(r300->hw.vpi.cmd, vsf->length+4*(dest & 0xff));
1140                 break;
1141
1142         case 2:
1143                 R300_STATECHANGE(r300, vpp);
1144                 for(i=0;i<vsf->length;i++)
1145                         r300->hw.vpp.cmd[R300_VPP_PARAM_0+i+4*(dest & 0xff)]=(vsf->body.d[i]);
1146                 bump_vpu_count(r300->hw.vpp.cmd, vsf->length+4*(dest & 0xff));
1147                 break;
1148         case 4:
1149                 R300_STATECHANGE(r300, vps);
1150                 for(i=0;i<vsf->length;i++)
1151                         r300->hw.vps.cmd[1+i+4*(dest & 0xff)]=(vsf->body.d[i]);
1152                 bump_vpu_count(r300->hw.vps.cmd, vsf->length+4*(dest & 0xff));
1153                 break;
1154         default:
1155                 fprintf(stderr, "%s:%s don't know how to handle dest %04x\n", __FILE__, __FUNCTION__, dest);
1156                 exit(-1);
1157         }
1158 }
1159
1160
1161 void r300SetupVertexShader(r300ContextPtr rmesa)
1162 {
1163         GLcontext* ctx = rmesa->radeon.glCtx;
1164
1165         /* Reset state, in case we don't use something */
1166         ((drm_r300_cmd_header_t*)rmesa->hw.vpp.cmd)->vpu.count = 0;
1167         ((drm_r300_cmd_header_t*)rmesa->hw.vpi.cmd)->vpu.count = 0;
1168         ((drm_r300_cmd_header_t*)rmesa->hw.vps.cmd)->vpu.count = 0;
1169
1170
1171 /* This needs to be replaced by vertex shader generation code */
1172
1173
1174         /* textures enabled ? */
1175         if(rmesa->state.texture.tc_count>0){
1176                 rmesa->state.vertex_shader=SINGLE_TEXTURE_VERTEX_SHADER;
1177                 } else {
1178                 rmesa->state.vertex_shader=FLAT_COLOR_VERTEX_SHADER;
1179                 }
1180
1181
1182         rmesa->state.vertex_shader.matrix[0].length=16;
1183         memcpy(rmesa->state.vertex_shader.matrix[0].body.f, ctx->_ModelProjectMatrix.m, 16*4);
1184
1185         setup_vertex_shader_fragment(rmesa, VSF_DEST_PROGRAM, &(rmesa->state.vertex_shader.program));
1186
1187         setup_vertex_shader_fragment(rmesa, VSF_DEST_MATRIX0, &(rmesa->state.vertex_shader.matrix[0]));
1188         #if 0
1189         setup_vertex_shader_fragment(rmesa, VSF_DEST_MATRIX1, &(rmesa->state.vertex_shader.matrix[0]));
1190         setup_vertex_shader_fragment(rmesa, VSF_DEST_MATRIX2, &(rmesa->state.vertex_shader.matrix[0]));
1191
1192         setup_vertex_shader_fragment(rmesa, VSF_DEST_VECTOR0, &(rmesa->state.vertex_shader.vector[0]));
1193         setup_vertex_shader_fragment(rmesa, VSF_DEST_VECTOR1, &(rmesa->state.vertex_shader.vector[1]));
1194         #endif
1195
1196         #if 0
1197         setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN1, &(rmesa->state.vertex_shader.unknown1));
1198         setup_vertex_shader_fragment(rmesa, VSF_DEST_UNKNOWN2, &(rmesa->state.vertex_shader.unknown2));
1199         #endif
1200
1201         R300_STATECHANGE(rmesa, pvs);
1202         rmesa->hw.pvs.cmd[R300_PVS_CNTL_1]=(rmesa->state.vertex_shader.program_start << R300_PVS_CNTL_1_PROGRAM_START_SHIFT)
1203                 | (rmesa->state.vertex_shader.unknown_ptr1 << R300_PVS_CNTL_1_UNKNOWN_SHIFT)
1204                 | (rmesa->state.vertex_shader.program_end << R300_PVS_CNTL_1_PROGRAM_END_SHIFT);
1205         rmesa->hw.pvs.cmd[R300_PVS_CNTL_2]=(rmesa->state.vertex_shader.param_offset << R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT)
1206                 | (rmesa->state.vertex_shader.param_count << R300_PVS_CNTL_2_PARAM_COUNT_SHIFT);
1207         rmesa->hw.pvs.cmd[R300_PVS_CNTL_3]=(rmesa->state.vertex_shader.unknown_ptr2 << R300_PVS_CNTL_3_PROGRAM_UNKNOWN_SHIFT)
1208         | (rmesa->state.vertex_shader.unknown_ptr3 << 0);
1209
1210         /* This is done for vertex shader fragments, but also needs to be done for vap_pvs,
1211         so I leave it as a reminder */
1212         #if 0
1213         reg_start(R300_VAP_PVS_WAITIDLE,0);
1214                 e32(0x00000000);
1215         #endif
1216 }
1217
1218 void r300SetupPixelShader(r300ContextPtr rmesa)
1219 {
1220 int i,k;
1221
1222         /* This needs to be replaced by pixel shader generation code */
1223
1224         /* textures enabled ? */
1225         if(rmesa->state.texture.tc_count>0){
1226                 rmesa->state.pixel_shader=SINGLE_TEXTURE_PIXEL_SHADER;
1227                 } else {
1228                 rmesa->state.pixel_shader=FLAT_COLOR_PIXEL_SHADER;
1229                 }
1230
1231         R300_STATECHANGE(rmesa, fpt);
1232         for(i=0;i<rmesa->state.pixel_shader.program.tex.length;i++)
1233                 rmesa->hw.fpt.cmd[R300_FPT_INSTR_0+i]=rmesa->state.pixel_shader.program.tex.inst[i];
1234         rmesa->hw.fpt.cmd[R300_FPT_CMD_0]=cmducs(R300_PFS_TEXI_0, rmesa->state.pixel_shader.program.tex.length);
1235
1236         #define OUTPUT_FIELD(st, reg, field)  \
1237                 R300_STATECHANGE(rmesa, st); \
1238                 for(i=0;i<rmesa->state.pixel_shader.program.alu.length;i++) \
1239                         rmesa->hw.st.cmd[R300_FPI_INSTR_0+i]=rmesa->state.pixel_shader.program.alu.inst[i].field;\
1240                 rmesa->hw.st.cmd[R300_FPI_CMD_0]=cmducs(reg, rmesa->state.pixel_shader.program.alu.length);
1241
1242         OUTPUT_FIELD(fpi[0], R300_PFS_INSTR0_0, inst0);
1243         OUTPUT_FIELD(fpi[1], R300_PFS_INSTR1_0, inst1);
1244         OUTPUT_FIELD(fpi[2], R300_PFS_INSTR2_0, inst2);
1245         OUTPUT_FIELD(fpi[3], R300_PFS_INSTR3_0, inst3);
1246         #undef OUTPUT_FIELD
1247
1248         R300_STATECHANGE(rmesa, fp);
1249         for(i=0;i<4;i++){
1250                 rmesa->hw.fp.cmd[R300_FP_NODE0+i]=
1251                 (rmesa->state.pixel_shader.program.node[i].alu_offset << R300_PFS_NODE_ALU_OFFSET_SHIFT)
1252                 | (rmesa->state.pixel_shader.program.node[i].alu_end  << R300_PFS_NODE_ALU_END_SHIFT)
1253                 | (rmesa->state.pixel_shader.program.node[i].tex_offset << R300_PFS_NODE_TEX_OFFSET_SHIFT)
1254                 | (rmesa->state.pixel_shader.program.node[i].tex_end  << R300_PFS_NODE_TEX_END_SHIFT)
1255                 | ( (i==3) ? R300_PFS_NODE_LAST_NODE : 0);
1256                 }
1257
1258                 /*  PFS_CNTL_0 */
1259         rmesa->hw.fp.cmd[R300_FP_CNTL0]=
1260                 (rmesa->state.pixel_shader.program.active_nodes-1)
1261                 | (rmesa->state.pixel_shader.program.first_node_has_tex<<3);
1262                 /* PFS_CNTL_1 */
1263         rmesa->hw.fp.cmd[R300_FP_CNTL1]=rmesa->state.pixel_shader.program.temp_register_count;
1264                 /* PFS_CNTL_2 */
1265         rmesa->hw.fp.cmd[R300_FP_CNTL2]=
1266                 (rmesa->state.pixel_shader.program.alu_offset << R300_PFS_CNTL_ALU_OFFSET_SHIFT)
1267                 | (rmesa->state.pixel_shader.program.alu_end << R300_PFS_CNTL_ALU_END_SHIFT)
1268                 | (rmesa->state.pixel_shader.program.tex_offset << R300_PFS_CNTL_TEX_OFFSET_SHIFT)
1269                 | (rmesa->state.pixel_shader.program.tex_end << R300_PFS_CNTL_TEX_END_SHIFT);
1270
1271         R300_STATECHANGE(rmesa, fpp);
1272         for(i=0;i<rmesa->state.pixel_shader.param_length;i++){
1273                 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0+4*i+0]=r300PackFloat32(rmesa->state.pixel_shader.param[i].x);
1274                 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0+4*i+1]=r300PackFloat32(rmesa->state.pixel_shader.param[i].y);
1275                 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0+4*i+2]=r300PackFloat32(rmesa->state.pixel_shader.param[i].z);
1276                 rmesa->hw.fpp.cmd[R300_FPP_PARAM_0+4*i+3]=r300PackFloat32(rmesa->state.pixel_shader.param[i].w);
1277                 }
1278         rmesa->hw.fpp.cmd[R300_FPP_CMD_0]=cmducs(R300_PFS_PARAM_0_X, rmesa->state.pixel_shader.param_length);
1279
1280 }
1281
1282 /**
1283  * Called by Mesa after an internal state update.
1284  */
1285 static void r300InvalidateState(GLcontext * ctx, GLuint new_state)
1286 {
1287         r300ContextPtr r300 = R300_CONTEXT(ctx);
1288
1289         _swrast_InvalidateState(ctx, new_state);
1290         _swsetup_InvalidateState(ctx, new_state);
1291         _ac_InvalidateState(ctx, new_state);
1292         _tnl_InvalidateState(ctx, new_state);
1293         _ae_invalidate_state(ctx, new_state);
1294
1295         /* Go inefficiency! */
1296         r300ResetHwState(r300);
1297 }
1298
1299
1300 /**
1301  * Completely recalculates hardware state based on the Mesa state.
1302  */
1303 void r300ResetHwState(r300ContextPtr r300)
1304 {
1305         GLcontext* ctx = r300->radeon.glCtx;
1306         int i;
1307
1308         if (RADEON_DEBUG & DEBUG_STATE)
1309                 fprintf(stderr, "%s\n", __FUNCTION__);
1310
1311         r300UpdateWindow(ctx);
1312
1313         r300ColorMask(ctx,
1314                 ctx->Color.ColorMask[RCOMP],
1315                 ctx->Color.ColorMask[GCOMP],
1316                 ctx->Color.ColorMask[BCOMP],
1317                 ctx->Color.ColorMask[ACOMP]);
1318
1319         r300Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test);
1320         r300DepthMask(ctx, ctx->Depth.Mask);
1321         r300DepthFunc(ctx, ctx->Depth.Func);
1322
1323         r300UpdateCulling(ctx);
1324
1325         r300_setup_routing(ctx, GL_TRUE);
1326
1327         r300UpdateTextureState(ctx);
1328         r300_setup_textures(ctx);
1329         r300_setup_rs_unit(ctx);
1330
1331         r300SetupVertexShader(r300);
1332         r300SetupPixelShader(r300);
1333
1334         r300_set_blend_state(ctx);
1335         r300AlphaFunc(ctx, ctx->Color.AlphaFunc, ctx->Color.AlphaRef);
1336
1337 //BEGIN: TODO
1338         r300->hw.unk2080.cmd[1] = 0x0030045A;
1339
1340         r300->hw.ovf.cmd[R300_OVF_FMT_0] = 0x00000003;
1341         r300->hw.ovf.cmd[R300_OVF_FMT_1] = 0x00000000;
1342
1343         r300->hw.vte.cmd[1] = R300_VPORT_X_SCALE_ENA
1344                                 | R300_VPORT_X_OFFSET_ENA
1345                                 | R300_VPORT_Y_SCALE_ENA
1346                                 | R300_VPORT_Y_OFFSET_ENA
1347                                 | R300_VPORT_Z_SCALE_ENA
1348                                 | R300_VPORT_Z_OFFSET_ENA
1349                                 | R300_VTX_W0_FMT;
1350         r300->hw.vte.cmd[2] = 0x00000008;
1351
1352         r300->hw.unk2134.cmd[1] = 0x00FFFFFF;
1353         r300->hw.unk2134.cmd[2] = 0x00000000;
1354
1355         r300->hw.unk2140.cmd[1] = 0x00000000;
1356
1357         #if 0 /* Done in setup routing */
1358         ((drm_r300_cmd_header_t*)r300->hw.vir[0].cmd)->unchecked_state.count = 1;
1359         r300->hw.vir[0].cmd[1] = 0x21030003;
1360
1361         ((drm_r300_cmd_header_t*)r300->hw.vir[1].cmd)->unchecked_state.count = 1;
1362         r300->hw.vir[1].cmd[1] = 0xF688F688;
1363
1364         r300->hw.vic.cmd[R300_VIR_CNTL_0] = 0x00000001;
1365         r300->hw.vic.cmd[R300_VIR_CNTL_1] = 0x00000405;
1366         #endif
1367
1368         r300->hw.unk21DC.cmd[1] = 0xAAAAAAAA;
1369
1370         r300->hw.unk221C.cmd[1] = R300_221C_NORMAL;
1371
1372         r300->hw.unk2220.cmd[1] = r300PackFloat32(1.0);
1373         r300->hw.unk2220.cmd[2] = r300PackFloat32(1.0);
1374         r300->hw.unk2220.cmd[3] = r300PackFloat32(1.0);
1375         r300->hw.unk2220.cmd[4] = r300PackFloat32(1.0);
1376
1377         if (GET_CHIP(r300->radeon.radeonScreen) == RADEON_CHIP_R300)
1378                 r300->hw.unk2288.cmd[1] = R300_2288_R300;
1379         else
1380                 r300->hw.unk2288.cmd[1] = R300_2288_RV350;
1381
1382         #if 0
1383         r300->hw.vof.cmd[R300_VOF_CNTL_0] = R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
1384                                 | R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
1385         r300->hw.vof.cmd[R300_VOF_CNTL_1] = 0; /* no textures */
1386
1387
1388         r300->hw.pvs.cmd[R300_PVS_CNTL_1] = 0;
1389         r300->hw.pvs.cmd[R300_PVS_CNTL_2] = 0;
1390         r300->hw.pvs.cmd[R300_PVS_CNTL_3] = 0;
1391         #endif
1392
1393         r300->hw.gb_enable.cmd[1] = R300_GB_POINT_STUFF_ENABLE
1394                 | R300_GB_LINE_STUFF_ENABLE
1395                 | R300_GB_TRIANGLE_STUFF_ENABLE;
1396
1397         r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_0] = 0x66666666;
1398         r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_1] = 0x06666666;
1399         if (GET_CHIP(r300->radeon.radeonScreen) == RADEON_CHIP_R300)
1400                 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = R300_GB_TILE_ENABLE
1401                                                         | R300_GB_TILE_PIPE_COUNT_R300
1402                                                         | R300_GB_TILE_SIZE_16;
1403         else
1404                 r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = R300_GB_TILE_ENABLE
1405                                                         | R300_GB_TILE_PIPE_COUNT_RV300
1406                                                         | R300_GB_TILE_SIZE_16;
1407         r300->hw.gb_misc.cmd[R300_GB_MISC_SELECT] = 0x00000000;
1408         r300->hw.gb_misc.cmd[R300_GB_MISC_AA_CONFIG] = 0x00000000; /* No antialiasing */
1409
1410         //r300->hw.txe.cmd[R300_TXE_ENABLE] = 0;
1411
1412         r300->hw.unk4200.cmd[1] = r300PackFloat32(0.0);
1413         r300->hw.unk4200.cmd[2] = r300PackFloat32(0.0);
1414         r300->hw.unk4200.cmd[3] = r300PackFloat32(1.0);
1415         r300->hw.unk4200.cmd[4] = r300PackFloat32(1.0);
1416
1417         r300->hw.unk4214.cmd[1] = 0x00050005;
1418
1419         r300->hw.ps.cmd[R300_PS_POINTSIZE] = (6 << R300_POINTSIZE_X_SHIFT) |
1420                                              (6 << R300_POINTSIZE_Y_SHIFT);
1421
1422         r300->hw.unk4230.cmd[1] = 0x01800000;
1423         r300->hw.unk4230.cmd[2] = 0x00020006;
1424         r300->hw.unk4230.cmd[3] = r300PackFloat32(1.0 / 192.0);
1425
1426         r300->hw.unk4260.cmd[1] = 0;
1427         r300->hw.unk4260.cmd[2] = r300PackFloat32(0.0);
1428         r300->hw.unk4260.cmd[3] = r300PackFloat32(1.0);
1429
1430         r300->hw.unk4274.cmd[1] = 0x00000002;
1431         r300->hw.unk4274.cmd[2] = 0x0003AAAA;
1432         r300->hw.unk4274.cmd[3] = 0x00000000;
1433         r300->hw.unk4274.cmd[4] = 0x00000000;
1434
1435         r300->hw.unk4288.cmd[1] = 0x00000000;
1436         r300->hw.unk4288.cmd[2] = 0x00000001;
1437         r300->hw.unk4288.cmd[3] = 0x00000000;
1438         r300->hw.unk4288.cmd[4] = 0x00000000;
1439         r300->hw.unk4288.cmd[5] = 0x00000000;
1440
1441         r300->hw.unk42A0.cmd[1] = 0x00000000;
1442
1443         r300->hw.unk42B4.cmd[1] = 0x00000000;
1444
1445         r300->hw.unk42C0.cmd[1] = 0x4B7FFFFF;
1446         r300->hw.unk42C0.cmd[2] = 0x00000000;
1447
1448
1449         r300->hw.unk43A4.cmd[1] = 0x0000001C;
1450         r300->hw.unk43A4.cmd[2] = 0x2DA49525;
1451
1452         r300->hw.unk43E8.cmd[1] = 0x00FFFFFF;
1453
1454         #if 0
1455         r300->hw.fp.cmd[R300_FP_CNTL0] = 0;
1456         r300->hw.fp.cmd[R300_FP_CNTL1] = 0;
1457         r300->hw.fp.cmd[R300_FP_CNTL2] = 0;
1458         r300->hw.fp.cmd[R300_FP_NODE0] = 0;
1459         r300->hw.fp.cmd[R300_FP_NODE1] = 0;
1460         r300->hw.fp.cmd[R300_FP_NODE2] = 0;
1461         r300->hw.fp.cmd[R300_FP_NODE3] = 0;
1462         #endif
1463
1464         r300->hw.unk46A4.cmd[1] = 0x00001B01;
1465         r300->hw.unk46A4.cmd[2] = 0x00001B0F;
1466         r300->hw.unk46A4.cmd[3] = 0x00001B0F;
1467         r300->hw.unk46A4.cmd[4] = 0x00001B0F;
1468         r300->hw.unk46A4.cmd[5] = 0x00000001;
1469
1470         #if 0
1471         for(i = 1; i <= 64; ++i) {
1472                 /* create NOP instructions */
1473                 r300->hw.fpi[0].cmd[i] = FP_INSTRC(MAD, FP_ARGC(SRC0C_XYZ), FP_ARGC(ONE), FP_ARGC(ZERO));
1474                 r300->hw.fpi[1].cmd[i] = FP_SELC(0,XYZ,NO,FP_TMP(0),0,0);
1475                 r300->hw.fpi[2].cmd[i] = FP_INSTRA(MAD, FP_ARGA(SRC0A), FP_ARGA(ONE), FP_ARGA(ZERO));
1476                 r300->hw.fpi[3].cmd[i] = FP_SELA(0,W,NO,FP_TMP(0),0,0);
1477         }
1478         #endif
1479
1480         r300->hw.unk4BC0.cmd[1] = 0;
1481
1482         r300->hw.unk4BC8.cmd[1] = 0;
1483         r300->hw.unk4BC8.cmd[2] = 0;
1484         r300->hw.unk4BC8.cmd[3] = 0;
1485
1486         #if 0
1487         r300->hw.at.cmd[R300_AT_ALPHA_TEST] = 0;
1488         #endif
1489
1490         r300->hw.unk4BD8.cmd[1] = 0;
1491
1492         r300->hw.unk4E00.cmd[1] = 0;
1493
1494         #if 0
1495         r300->hw.bld.cmd[R300_BLD_CBLEND] = 0;
1496         r300->hw.bld.cmd[R300_BLD_ABLEND] = 0;
1497         #endif
1498
1499         r300->hw.unk4E10.cmd[1] = 0;
1500         r300->hw.unk4E10.cmd[2] = 0;
1501         r300->hw.unk4E10.cmd[3] = 0;
1502
1503         r300->hw.cb.cmd[R300_CB_OFFSET] =
1504                 r300->radeon.radeonScreen->backOffset +
1505                 r300->radeon.radeonScreen->fbLocation;
1506         r300->hw.cb.cmd[R300_CB_PITCH] = r300->radeon.radeonScreen->backPitch
1507                 | R300_COLOR_UNKNOWN_22_23;
1508
1509         r300->hw.unk4E50.cmd[1] = 0;
1510         r300->hw.unk4E50.cmd[2] = 0;
1511         r300->hw.unk4E50.cmd[3] = 0;
1512         r300->hw.unk4E50.cmd[4] = 0;
1513         r300->hw.unk4E50.cmd[5] = 0;
1514         r300->hw.unk4E50.cmd[6] = 0;
1515         r300->hw.unk4E50.cmd[7] = 0;
1516         r300->hw.unk4E50.cmd[8] = 0;
1517         r300->hw.unk4E50.cmd[9] = 0;
1518
1519         r300->hw.unk4E88.cmd[1] = 0;
1520
1521         r300->hw.unk4EA0.cmd[1] = 0x00000000;
1522         r300->hw.unk4EA0.cmd[2] = 0xffffffff;
1523
1524         r300->hw.unk4F08.cmd[1] = 0x00FFFF00;
1525
1526         r300->hw.unk4F10.cmd[1] = 0x00000002; // depthbuffer format?
1527         r300->hw.unk4F10.cmd[2] = 0x00000000;
1528         r300->hw.unk4F10.cmd[3] = 0x00000003;
1529         r300->hw.unk4F10.cmd[4] = 0x00000000;
1530
1531         r300->hw.zb.cmd[R300_ZB_OFFSET] =
1532                 r300->radeon.radeonScreen->depthOffset +
1533                 r300->radeon.radeonScreen->fbLocation;
1534         r300->hw.zb.cmd[R300_ZB_PITCH] = r300->radeon.radeonScreen->depthPitch;
1535
1536         r300->hw.unk4F28.cmd[1] = 0;
1537
1538         r300->hw.unk4F30.cmd[1] = 0;
1539         r300->hw.unk4F30.cmd[2] = 0;
1540
1541         r300->hw.unk4F44.cmd[1] = 0;
1542
1543         r300->hw.unk4F54.cmd[1] = 0;
1544
1545         #if 0
1546         ((drm_r300_cmd_header_t*)r300->hw.vpi.cmd)->vpu.count = 0;
1547         for(i = 1; i < R300_VPI_CMDSIZE; i += 4) {
1548                 /* MOV t0, t0 */
1549                 r300->hw.vpi.cmd[i+0] = VP_OUT(ADD,TMP,0,XYZW);
1550                 r300->hw.vpi.cmd[i+1] = VP_IN(TMP,0);
1551                 r300->hw.vpi.cmd[i+2] = VP_ZERO();
1552                 r300->hw.vpi.cmd[i+3] = VP_ZERO();
1553         }
1554
1555         ((drm_r300_cmd_header_t*)r300->hw.vpp.cmd)->vpu.count = 0;
1556         for(i = 1; i < R300_VPP_CMDSIZE; ++i)
1557                 r300->hw.vpp.cmd[i] = 0;
1558         #endif
1559
1560         r300->hw.vps.cmd[R300_VPS_ZERO_0] = 0;
1561         r300->hw.vps.cmd[R300_VPS_ZERO_1] = 0;
1562         r300->hw.vps.cmd[R300_VPS_POINTSIZE] = r300PackFloat32(1.0);
1563         r300->hw.vps.cmd[R300_VPS_ZERO_3] = 0;
1564
1565 //END: TODO
1566
1567         r300->hw.all_dirty = GL_TRUE;
1568 }
1569
1570
1571
1572 /**
1573  * Calculate initial hardware state and register state functions.
1574  * Assumes that the command buffer and state atoms have been
1575  * initialized already.
1576  */
1577 void r300InitState(r300ContextPtr r300)
1578 {
1579         GLcontext *ctx = r300->radeon.glCtx;
1580         GLuint depth_fmt;
1581
1582         radeonInitState(&r300->radeon);
1583
1584         switch (ctx->Visual.depthBits) {
1585         case 16:
1586                 r300->state.depth.scale = 1.0 / (GLfloat) 0xffff;
1587                 depth_fmt = R200_DEPTH_FORMAT_16BIT_INT_Z;
1588                 //r300->state.stencil.clear = 0x00000000;
1589                 break;
1590         case 24:
1591                 r300->state.depth.scale = 1.0 / (GLfloat) 0xffffff;
1592                 depth_fmt = R200_DEPTH_FORMAT_24BIT_INT_Z;
1593                 //r300->state.stencil.clear = 0xff000000;
1594                 break;
1595         default:
1596                 fprintf(stderr, "Error: Unsupported depth %d... exiting\n",
1597                         ctx->Visual.depthBits);
1598                 exit(-1);
1599         }
1600
1601         memset(&(r300->state.texture), 0, sizeof(r300->state.texture));
1602
1603         r300ResetHwState(r300);
1604 }
1605
1606
1607
1608 /**
1609  * Initialize driver's state callback functions
1610  */
1611 void r300InitStateFuncs(struct dd_function_table* functions)
1612 {
1613         radeonInitStateFuncs(functions);
1614
1615         functions->UpdateState = r300InvalidateState;
1616         //functions->AlphaFunc = r300AlphaFunc;
1617         functions->BlendColor = r300BlendColor;
1618         functions->BlendEquationSeparate = r300BlendEquationSeparate;
1619         functions->BlendFuncSeparate = r300BlendFuncSeparate;
1620         functions->Enable = r300Enable;
1621         functions->ColorMask = r300ColorMask;
1622         functions->DepthFunc = r300DepthFunc;
1623         functions->DepthMask = r300DepthMask;
1624         functions->CullFace = r300CullFace;
1625         functions->FrontFace = r300FrontFace;
1626
1627         /* Viewport related */
1628         functions->Viewport = r300Viewport;
1629         functions->DepthRange = r300DepthRange;
1630         functions->PointSize = r300PointSize;
1631 }
1632