src/mesa/drivers/dri/r200/r200_context.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  * Authors:
  32  *   Keith Whitwell <keith@tungstengraphics.com>
  33  */
  34
  35 #include <stdbool.h>
  36 #include "main/glheader.h"
  37 #include "main/api_arrayelt.h"
  38 #include "main/api_exec.h"
  39 #include "main/context.h"
  40 #include "main/simple_list.h"
  41 #include "main/imports.h"
  42 #include "main/extensions.h"
  43 #include "main/version.h"
  44 #include "main/vtxfmt.h"
  45
  46 #include "swrast/swrast.h"
  47 #include "swrast_setup/swrast_setup.h"
  48 #include "vbo/vbo.h"
  49
  50 #include "tnl/tnl.h"
  51 #include "tnl/t_pipeline.h"
  52
  53 #include "drivers/common/driverfuncs.h"
  54
  55 #include "r200_context.h"
  56 #include "r200_ioctl.h"
  57 #include "r200_state.h"
  58 #include "r200_tex.h"
  59 #include "r200_swtcl.h"
  60 #include "r200_tcl.h"
  61 #include "r200_vertprog.h"
  62 #include "radeon_queryobj.h"
  63 #include "r200_blit.h"
  64 #include "radeon_fog.h"
  65
  66 #include "radeon_span.h"
  67
  68 #include "utils.h"
  69 #include "xmlpool.h" /* for symbolic values of enum-type options */
  70
  71 /* Return various strings for glGetString().
  72  */
  73 static const GLubyte *r200GetString( struct gl_context *ctx, GLenum name )
  74 {
  75    r200ContextPtr rmesa = R200_CONTEXT(ctx);
  76    static char buffer[128];
  77    unsigned   offset;
  78    GLuint agp_mode = (rmesa->radeon.radeonScreen->card_type == RADEON_CARD_PCI)? 0 :
  79       rmesa->radeon.radeonScreen->AGPMode;
  80
  81    switch ( name ) {
  82    case GL_VENDOR:
  83       return (GLubyte *)"Tungsten Graphics, Inc.";
  84
  85    case GL_RENDERER:
  86       offset = driGetRendererString( buffer, "R200", agp_mode );
  87
  88       sprintf( & buffer[ offset ], " %sTCL",
  89                !(rmesa->radeon.TclFallback & R200_TCL_FALLBACK_TCL_DISABLE)
  90                ? "" : "NO-" );
  91
  92       return (GLubyte *)buffer;
  93
  94    default:
  95       return NULL;
  96    }
  97 }
  98
  99
 100 extern const struct tnl_pipeline_stage _r200_render_stage;
 101 extern const struct tnl_pipeline_stage _r200_tcl_stage;
 102
 103 static const struct tnl_pipeline_stage *r200_pipeline[] = {
 104
 105    /* Try and go straight to t&l
 106     */
 107    &_r200_tcl_stage,
 108
 109    /* Catch any t&l fallbacks
 110     */
 111    &_tnl_vertex_transform_stage,
 112    &_tnl_normal_transform_stage,
 113    &_tnl_lighting_stage,
 114    &_tnl_fog_coordinate_stage,
 115    &_tnl_texgen_stage,
 116    &_tnl_texture_transform_stage,
 117    &_tnl_point_attenuation_stage,
 118    &_tnl_vertex_program_stage,
 119    /* Try again to go to tcl?
 120     *     - no good for asymmetric-twoside (do with multipass)
 121     *     - no good for asymmetric-unfilled (do with multipass)
 122     *     - good for material
 123     *     - good for texgen
 124     *     - need to manipulate a bit of state
 125     *
 126     * - worth it/not worth it?
 127     */
 128
 129    /* Else do them here.
 130     */
 131 /*    &_r200_render_stage,  */ /* FIXME: bugs with ut2003 */
 132    &_tnl_render_stage,          /* FALLBACK:  */
 133    NULL,
 134 };
 135
 136
 137
 138 /* Initialize the driver's misc functions.
 139  */
 140 static void r200InitDriverFuncs( struct dd_function_table *functions )
 141 {
 142     functions->GetString                = r200GetString;
 143 }
 144
 145
 146 static void r200_get_lock(radeonContextPtr radeon)
 147 {
 148    r200ContextPtr rmesa = (r200ContextPtr)radeon;
 149    drm_radeon_sarea_t *sarea = radeon->sarea;
 150
 151    R200_STATECHANGE( rmesa, ctx );
 152    if (rmesa->radeon.sarea->tiling_enabled) {
 153       rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] |= R200_COLOR_TILE_ENABLE;
 154    }
 155    else rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] &= ~R200_COLOR_TILE_ENABLE;
 156
 157    if ( sarea->ctx_owner != rmesa->radeon.dri.hwContext ) {
 158       sarea->ctx_owner = rmesa->radeon.dri.hwContext;
 159    }
 160
 161 }
 162
 163 static void r200_vtbl_emit_cs_header(struct radeon_cs *cs, radeonContextPtr rmesa)
 164 {
 165 }
 166
 167 static void r200_emit_query_finish(radeonContextPtr radeon)
 168 {
 169    BATCH_LOCALS(radeon);
 170    struct radeon_query_object *query = radeon->query.current;
 171
 172    BEGIN_BATCH_NO_AUTOSTATE(4);
 173    OUT_BATCH(CP_PACKET0(RADEON_RB3D_ZPASS_ADDR, 0));
 174    OUT_BATCH_RELOC(0, query->bo, query->curr_offset, 0, RADEON_GEM_DOMAIN_GTT, 0);
 175    END_BATCH();
 176    query->curr_offset += sizeof(uint32_t);
 177    assert(query->curr_offset < RADEON_QUERY_PAGE_SIZE);
 178    query->emitted_begin = GL_FALSE;
 179 }
 180
 181 static void r200_init_vtbl(radeonContextPtr radeon)
 182 {
 183    radeon->vtbl.get_lock = r200_get_lock;
 184    radeon->vtbl.update_viewport_offset = r200UpdateViewportOffset;
 185    radeon->vtbl.emit_cs_header = r200_vtbl_emit_cs_header;
 186    radeon->vtbl.swtcl_flush = r200_swtcl_flush;
 187    radeon->vtbl.fallback = r200Fallback;
 188    radeon->vtbl.update_scissor = r200_vtbl_update_scissor;
 189    radeon->vtbl.emit_query_finish = r200_emit_query_finish;
 190    radeon->vtbl.check_blit = r200_check_blit;
 191    radeon->vtbl.blit = r200_blit;
 192    radeon->vtbl.is_format_renderable = radeonIsFormatRenderable;
 193 }
 194
 195
 196 /* Create the device specific rendering context.
 197  */
 198 GLboolean r200CreateContext( gl_api api,
 199                              const struct gl_config *glVisual,
 200                              __DRIcontext *driContextPriv,
 201                              unsigned major_version,
 202                              unsigned minor_version,
 203                              uint32_t flags,
 204                              unsigned *error,
 205                              void *sharedContextPrivate)
 206 {
 207    __DRIscreen *sPriv = driContextPriv->driScreenPriv;
 208    radeonScreenPtr screen = (radeonScreenPtr)(sPriv->driverPrivate);
 209    struct dd_function_table functions;
 210    r200ContextPtr rmesa;
 211    struct gl_context *ctx;
 212    int i;
 213    int tcl_mode;
 214
 215    /* Flag filtering is handled in dri2CreateContextAttribs.
 216     */
 217    (void) flags;
 218
 219    assert(glVisual);
 220    assert(driContextPriv);
 221    assert(screen);
 222
 223    /* Allocate the R200 context */
 224    rmesa = calloc(1, sizeof(*rmesa));
 225    if ( !rmesa ) {
 226       *error = __DRI_CTX_ERROR_NO_MEMORY;
 227       return GL_FALSE;
 228    }
 229
 230    rmesa->radeon.radeonScreen = screen;
 231    r200_init_vtbl(&rmesa->radeon);
 232    /* init exp fog table data */
 233    radeonInitStaticFogData();
 234
 235    /* Parse configuration files.
 236     * Do this here so that initialMaxAnisotropy is set before we create
 237     * the default textures.
 238     */
 239    driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache,
 240                         screen->driScreen->myNum, "r200");
 241    rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache,
 242                                                         "def_max_anisotropy");
 243
 244    if ( sPriv->drm_version.major == 1
 245        && driQueryOptionb( &rmesa->radeon.optionCache, "hyperz" ) ) {
 246       if ( sPriv->drm_version.minor < 13 )
 247          fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
 248                           "disabling.\n", sPriv->drm_version.minor );
 249       else
 250          rmesa->using_hyperz = GL_TRUE;
 251    }
 252
 253    if ( sPriv->drm_version.minor >= 15 )
 254       rmesa->texmicrotile = GL_TRUE;
 255
 256    /* Init default driver functions then plug in our R200-specific functions
 257     * (the texture functions are especially important)
 258     */
 259    _mesa_init_driver_functions(&functions);
 260    r200InitDriverFuncs(&functions);
 261    r200InitIoctlFuncs(&functions);
 262    r200InitStateFuncs(&rmesa->radeon, &functions);
 263    r200InitTextureFuncs(&rmesa->radeon, &functions);
 264    r200InitShaderFuncs(&functions);
 265    radeonInitQueryObjFunctions(&functions);
 266
 267    if (!radeonInitContext(&rmesa->radeon, &functions,
 268                           glVisual, driContextPriv,
 269                           sharedContextPrivate)) {
 270      free(rmesa);
 271      *error = __DRI_CTX_ERROR_NO_MEMORY;
 272      return GL_FALSE;
 273    }
 274
 275    rmesa->radeon.swtcl.RenderIndex = ~0;
 276    rmesa->radeon.hw.all_dirty = 1;
 277
 278    ctx = &rmesa->radeon.glCtx;
 279    /* Initialize the software rasterizer and helper modules.
 280     */
 281    _swrast_CreateContext( ctx );
 282    _vbo_CreateContext( ctx );
 283    _tnl_CreateContext( ctx );
 284    _swsetup_CreateContext( ctx );
 285    _ae_create_context( ctx );
 286
 287    ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache,
 288                                                  "texture_units");
 289    ctx->Const.FragmentProgram.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
 290    ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
 291
 292    ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
 293
 294    ctx->Const.StripTextureBorder = GL_TRUE;
 295
 296    /* FIXME: When no memory manager is available we should set this
 297     * to some reasonable value based on texture memory pool size */
 298    ctx->Const.MaxTextureLevels = 12;
 299    ctx->Const.Max3DTextureLevels = 9;
 300    ctx->Const.MaxCubeTextureLevels = 12;
 301    ctx->Const.MaxTextureRectSize = 2048;
 302    ctx->Const.MaxRenderbufferSize = 2048;
 303
 304    ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 305
 306    /* No wide AA points.
 307     */
 308    ctx->Const.MinPointSize = 1.0;
 309    ctx->Const.MinPointSizeAA = 1.0;
 310    ctx->Const.MaxPointSizeAA = 1.0;
 311    ctx->Const.PointSizeGranularity = 0.0625;
 312    ctx->Const.MaxPointSize = 2047.0;
 313
 314    /* mesa initialization problem - _mesa_init_point was already called */
 315    ctx->Point.MaxSize = ctx->Const.MaxPointSize;
 316
 317    ctx->Const.MinLineWidth = 1.0;
 318    ctx->Const.MinLineWidthAA = 1.0;
 319    ctx->Const.MaxLineWidth = 10.0;
 320    ctx->Const.MaxLineWidthAA = 10.0;
 321    ctx->Const.LineWidthGranularity = 0.0625;
 322
 323    ctx->Const.VertexProgram.MaxNativeInstructions = R200_VSF_MAX_INST;
 324    ctx->Const.VertexProgram.MaxNativeAttribs = 12;
 325    ctx->Const.VertexProgram.MaxNativeTemps = R200_VSF_MAX_TEMPS;
 326    ctx->Const.VertexProgram.MaxNativeParameters = R200_VSF_MAX_PARAM;
 327    ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
 328
 329    ctx->Const.MaxDrawBuffers = 1;
 330    ctx->Const.MaxColorAttachments = 1;
 331
 332    ctx->ShaderCompilerOptions[MESA_SHADER_VERTEX].PreferDP4 = GL_TRUE;
 333
 334    /* Install the customized pipeline:
 335     */
 336    _tnl_destroy_pipeline( ctx );
 337    _tnl_install_pipeline( ctx, r200_pipeline );
 338
 339    /* Try and keep materials and vertices separate:
 340     */
 341 /*    _tnl_isolate_materials( ctx, GL_TRUE ); */
 342
 343
 344    /* Configure swrast and TNL to match hardware characteristics:
 345     */
 346    _swrast_allow_pixel_fog( ctx, GL_FALSE );
 347    _swrast_allow_vertex_fog( ctx, GL_TRUE );
 348    _tnl_allow_pixel_fog( ctx, GL_FALSE );
 349    _tnl_allow_vertex_fog( ctx, GL_TRUE );
 350
 351
 352    for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
 353       _math_matrix_ctr( &rmesa->TexGenMatrix[i] );
 354       _math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
 355    }
 356    _math_matrix_ctr( &rmesa->tmpmat );
 357    _math_matrix_set_identity( &rmesa->tmpmat );
 358
 359    ctx->Extensions.ARB_half_float_pixel = true;
 360    ctx->Extensions.ARB_occlusion_query = true;
 361    ctx->Extensions.ARB_texture_border_clamp = true;
 362    ctx->Extensions.ARB_texture_env_combine = true;
 363    ctx->Extensions.ARB_texture_env_dot3 = true;
 364    ctx->Extensions.ARB_texture_env_crossbar = true;
 365    ctx->Extensions.EXT_blend_color = true;
 366    ctx->Extensions.EXT_blend_minmax = true;
 367    ctx->Extensions.EXT_packed_depth_stencil = true;
 368    ctx->Extensions.EXT_texture_env_dot3 = true;
 369    ctx->Extensions.EXT_texture_filter_anisotropic = true;
 370    ctx->Extensions.EXT_texture_mirror_clamp = true;
 371    ctx->Extensions.ATI_texture_env_combine3 = true;
 372    ctx->Extensions.ATI_texture_mirror_once = true;
 373    ctx->Extensions.MESA_pack_invert = true;
 374    ctx->Extensions.NV_texture_rectangle = true;
 375    ctx->Extensions.OES_EGL_image = true;
 376    ctx->Extensions.ARB_occlusion_query = true;
 377
 378    if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) {
 379      /* yuv textures don't work with some chips - R200 / rv280 okay so far
 380         others get the bit ordering right but don't actually do YUV-RGB conversion */
 381       ctx->Extensions.MESA_ycbcr_texture = true;
 382    }
 383    if (rmesa->radeon.glCtx.Mesa_DXTn) {
 384       ctx->Extensions.EXT_texture_compression_s3tc = true;
 385       ctx->Extensions.ANGLE_texture_compression_dxt = true;
 386    }
 387    else if (driQueryOptionb (&rmesa->radeon.optionCache, "force_s3tc_enable")) {
 388       ctx->Extensions.EXT_texture_compression_s3tc = true;
 389       ctx->Extensions.ANGLE_texture_compression_dxt = true;
 390    }
 391
 392    ctx->Extensions.ARB_texture_cube_map = true;
 393
 394    ctx->Extensions.EXT_blend_equation_separate = true;
 395    ctx->Extensions.EXT_blend_func_separate = true;
 396
 397    ctx->Extensions.ARB_vertex_program = true;
 398    ctx->Extensions.EXT_gpu_program_parameters = true;
 399
 400    ctx->Extensions.ATI_fragment_shader = (ctx->Const.MaxTextureUnits == 6);
 401
 402    ctx->Extensions.ARB_point_sprite = true;
 403    ctx->Extensions.EXT_point_parameters = true;
 404
 405 #if 0
 406    r200InitDriverFuncs( ctx );
 407    r200InitIoctlFuncs( ctx );
 408    r200InitStateFuncs( ctx );
 409    r200InitTextureFuncs( ctx );
 410 #endif
 411    /* plug in a few more device driver functions */
 412    /* XXX these should really go right after _mesa_init_driver_functions() */
 413    radeon_fbo_init(&rmesa->radeon);
 414    radeonInitSpanFuncs( ctx );
 415    r200InitTnlFuncs( ctx );
 416    r200InitState( rmesa );
 417    r200InitSwtcl( ctx );
 418
 419    rmesa->prefer_gart_client_texturing =
 420       (getenv("R200_GART_CLIENT_TEXTURES") != 0);
 421
 422    tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode");
 423    if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) {
 424       fprintf(stderr, "disabling 3D acceleration\n");
 425       FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1);
 426    }
 427    else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") ||
 428             !(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
 429       if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
 430          rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
 431          fprintf(stderr, "Disabling HW TCL support\n");
 432       }
 433       TCL_FALLBACK(&rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1);
 434    }
 435
 436    _mesa_compute_version(ctx);
 437
 438    /* Exec table initialization requires the version to be computed */
 439    _mesa_initialize_dispatch_tables(ctx);
 440    _mesa_initialize_vbo_vtxfmt(ctx);
 441
 442    *error = __DRI_CTX_ERROR_SUCCESS;
 443    return GL_TRUE;
 444 }
 445
 446
 447 void r200DestroyContext( __DRIcontext *driContextPriv )
 448 {
 449         int i;
 450         r200ContextPtr rmesa = (r200ContextPtr)driContextPriv->driverPrivate;
 451         if (rmesa)
 452         {
 453                 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
 454                         _math_matrix_dtr( &rmesa->TexGenMatrix[i] );
 455                 }
 456         }
 457         radeonDestroyContext(driContextPriv);
 458 }