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/context.h"
  39 #include "main/simple_list.h"
  40 #include "main/imports.h"
  41 #include "main/extensions.h"
  42 #include "main/mfeatures.h"
  43 #include "main/version.h"
  44
  45 #include "swrast/swrast.h"
  46 #include "swrast_setup/swrast_setup.h"
  47 #include "vbo/vbo.h"
  48
  49 #include "tnl/tnl.h"
  50 #include "tnl/t_pipeline.h"
  51
  52 #include "drivers/common/driverfuncs.h"
  53
  54 #include "r200_context.h"
  55 #include "r200_ioctl.h"
  56 #include "r200_state.h"
  57 #include "r200_tex.h"
  58 #include "r200_swtcl.h"
  59 #include "r200_tcl.h"
  60 #include "r200_vertprog.h"
  61 #include "radeon_queryobj.h"
  62 #include "r200_blit.h"
  63 #include "radeon_fog.h"
  64
  65 #include "radeon_span.h"
  66
  67 #include "utils.h"
  68 #include "xmlpool.h" /* for symbolic values of enum-type options */
  69
  70 /* Return various strings for glGetString().
  71  */
  72 static const GLubyte *r200GetString( struct gl_context *ctx, GLenum name )
  73 {
  74    r200ContextPtr rmesa = R200_CONTEXT(ctx);
  75    static char buffer[128];
  76    unsigned   offset;
  77    GLuint agp_mode = (rmesa->radeon.radeonScreen->card_type == RADEON_CARD_PCI)? 0 :
  78       rmesa->radeon.radeonScreen->AGPMode;
  79
  80    switch ( name ) {
  81    case GL_VENDOR:
  82       return (GLubyte *)"Tungsten Graphics, Inc.";
  83
  84    case GL_RENDERER:
  85       offset = driGetRendererString( buffer, "R200", agp_mode );
  86
  87       sprintf( & buffer[ offset ], " %sTCL",
  88                !(rmesa->radeon.TclFallback & R200_TCL_FALLBACK_TCL_DISABLE)
  89                ? "" : "NO-" );
  90
  91       return (GLubyte *)buffer;
  92
  93    default:
  94       return NULL;
  95    }
  96 }
  97
  98
  99 extern const struct tnl_pipeline_stage _r200_render_stage;
 100 extern const struct tnl_pipeline_stage _r200_tcl_stage;
 101
 102 static const struct tnl_pipeline_stage *r200_pipeline[] = {
 103
 104    /* Try and go straight to t&l
 105     */
 106    &_r200_tcl_stage,
 107
 108    /* Catch any t&l fallbacks
 109     */
 110    &_tnl_vertex_transform_stage,
 111    &_tnl_normal_transform_stage,
 112    &_tnl_lighting_stage,
 113    &_tnl_fog_coordinate_stage,
 114    &_tnl_texgen_stage,
 115    &_tnl_texture_transform_stage,
 116    &_tnl_point_attenuation_stage,
 117    &_tnl_vertex_program_stage,
 118    /* Try again to go to tcl?
 119     *     - no good for asymmetric-twoside (do with multipass)
 120     *     - no good for asymmetric-unfilled (do with multipass)
 121     *     - good for material
 122     *     - good for texgen
 123     *     - need to manipulate a bit of state
 124     *
 125     * - worth it/not worth it?
 126     */
 127
 128    /* Else do them here.
 129     */
 130 /*    &_r200_render_stage,  */ /* FIXME: bugs with ut2003 */
 131    &_tnl_render_stage,          /* FALLBACK:  */
 132    NULL,
 133 };
 134
 135
 136
 137 /* Initialize the driver's misc functions.
 138  */
 139 static void r200InitDriverFuncs( struct dd_function_table *functions )
 140 {
 141     functions->GetBufferSize            = NULL; /* OBSOLETE */
 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    /* API and flag filtering is handled in dri2CreateContextAttribs.
 216     */
 217    (void) api;
 218    (void) flags;
 219
 220    assert(glVisual);
 221    assert(driContextPriv);
 222    assert(screen);
 223
 224    /* Allocate the R200 context */
 225    rmesa = (r200ContextPtr) CALLOC( sizeof(*rmesa) );
 226    if ( !rmesa ) {
 227       *error = __DRI_CTX_ERROR_NO_MEMORY;
 228       return GL_FALSE;
 229    }
 230
 231    rmesa->radeon.radeonScreen = screen;
 232    r200_init_vtbl(&rmesa->radeon);
 233    /* init exp fog table data */
 234    radeonInitStaticFogData();
 235
 236    /* Parse configuration files.
 237     * Do this here so that initialMaxAnisotropy is set before we create
 238     * the default textures.
 239     */
 240    driParseConfigFiles (&rmesa->radeon.optionCache, &screen->optionCache,
 241                         screen->driScreen->myNum, "r200");
 242    rmesa->radeon.initialMaxAnisotropy = driQueryOptionf(&rmesa->radeon.optionCache,
 243                                                         "def_max_anisotropy");
 244
 245    if ( sPriv->drm_version.major == 1
 246        && driQueryOptionb( &rmesa->radeon.optionCache, "hyperz" ) ) {
 247       if ( sPriv->drm_version.minor < 13 )
 248          fprintf( stderr, "DRM version 1.%d too old to support HyperZ, "
 249                           "disabling.\n", sPriv->drm_version.minor );
 250       else
 251          rmesa->using_hyperz = GL_TRUE;
 252    }
 253
 254    if ( sPriv->drm_version.minor >= 15 )
 255       rmesa->texmicrotile = GL_TRUE;
 256
 257    /* Init default driver functions then plug in our R200-specific functions
 258     * (the texture functions are especially important)
 259     */
 260    _mesa_init_driver_functions(&functions);
 261    r200InitDriverFuncs(&functions);
 262    r200InitIoctlFuncs(&functions);
 263    r200InitStateFuncs(&rmesa->radeon, &functions);
 264    r200InitTextureFuncs(&rmesa->radeon, &functions);
 265    r200InitShaderFuncs(&functions);
 266    radeonInitQueryObjFunctions(&functions);
 267
 268    if (!radeonInitContext(&rmesa->radeon, &functions,
 269                           glVisual, driContextPriv,
 270                           sharedContextPrivate)) {
 271      FREE(rmesa);
 272      *error = __DRI_CTX_ERROR_NO_MEMORY;
 273      return GL_FALSE;
 274    }
 275
 276    rmesa->radeon.swtcl.RenderIndex = ~0;
 277    rmesa->radeon.hw.all_dirty = 1;
 278
 279    /* Set the maximum texture size small enough that we can guarentee that
 280     * all texture units can bind a maximal texture and have all of them in
 281     * texturable memory at once. Depending on the allow_large_textures driconf
 282     * setting allow larger textures.
 283     */
 284
 285    ctx = rmesa->radeon.glCtx;
 286    ctx->Const.MaxTextureUnits = driQueryOptioni (&rmesa->radeon.optionCache,
 287                                                  "texture_units");
 288    ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
 289    ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
 290
 291    ctx->Const.MaxCombinedTextureImageUnits = ctx->Const.MaxTextureUnits;
 292
 293    ctx->Const.StripTextureBorder = GL_TRUE;
 294
 295    i = driQueryOptioni( &rmesa->radeon.optionCache, "allow_large_textures");
 296
 297    /* FIXME: When no memory manager is available we should set this
 298     * to some reasonable value based on texture memory pool size */
 299    ctx->Const.MaxTextureLevels = 12;
 300    ctx->Const.Max3DTextureLevels = 9;
 301    ctx->Const.MaxCubeTextureLevels = 12;
 302    ctx->Const.MaxTextureRectSize = 2048;
 303    ctx->Const.MaxRenderbufferSize = 2048;
 304
 305    ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 306
 307    /* No wide AA points.
 308     */
 309    ctx->Const.MinPointSize = 1.0;
 310    ctx->Const.MinPointSizeAA = 1.0;
 311    ctx->Const.MaxPointSizeAA = 1.0;
 312    ctx->Const.PointSizeGranularity = 0.0625;
 313    ctx->Const.MaxPointSize = 2047.0;
 314
 315    /* mesa initialization problem - _mesa_init_point was already called */
 316    ctx->Point.MaxSize = ctx->Const.MaxPointSize;
 317
 318    ctx->Const.MinLineWidth = 1.0;
 319    ctx->Const.MinLineWidthAA = 1.0;
 320    ctx->Const.MaxLineWidth = 10.0;
 321    ctx->Const.MaxLineWidthAA = 10.0;
 322    ctx->Const.LineWidthGranularity = 0.0625;
 323
 324    ctx->Const.VertexProgram.MaxNativeInstructions = R200_VSF_MAX_INST;
 325    ctx->Const.VertexProgram.MaxNativeAttribs = 12;
 326    ctx->Const.VertexProgram.MaxNativeTemps = R200_VSF_MAX_TEMPS;
 327    ctx->Const.VertexProgram.MaxNativeParameters = R200_VSF_MAX_PARAM;
 328    ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
 329
 330    ctx->Const.MaxDrawBuffers = 1;
 331    ctx->Const.MaxColorAttachments = 1;
 332
 333    _mesa_set_mvp_with_dp4( ctx, GL_TRUE );
 334
 335    /* Initialize the software rasterizer and helper modules.
 336     */
 337    _swrast_CreateContext( ctx );
 338    _vbo_CreateContext( ctx );
 339    _tnl_CreateContext( ctx );
 340    _swsetup_CreateContext( ctx );
 341    _ae_create_context( ctx );
 342
 343    /* Install the customized pipeline:
 344     */
 345    _tnl_destroy_pipeline( ctx );
 346    _tnl_install_pipeline( ctx, r200_pipeline );
 347
 348    /* Try and keep materials and vertices separate:
 349     */
 350 /*    _tnl_isolate_materials( ctx, GL_TRUE ); */
 351
 352
 353    /* Configure swrast and TNL to match hardware characteristics:
 354     */
 355    _swrast_allow_pixel_fog( ctx, GL_FALSE );
 356    _swrast_allow_vertex_fog( ctx, GL_TRUE );
 357    _tnl_allow_pixel_fog( ctx, GL_FALSE );
 358    _tnl_allow_vertex_fog( ctx, GL_TRUE );
 359
 360
 361    for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
 362       _math_matrix_ctr( &rmesa->TexGenMatrix[i] );
 363       _math_matrix_set_identity( &rmesa->TexGenMatrix[i] );
 364    }
 365    _math_matrix_ctr( &rmesa->tmpmat );
 366    _math_matrix_set_identity( &rmesa->tmpmat );
 367
 368    ctx->Extensions.ARB_half_float_pixel = true;
 369    ctx->Extensions.ARB_occlusion_query = true;
 370    ctx->Extensions.ARB_texture_border_clamp = true;
 371    ctx->Extensions.ARB_texture_env_combine = true;
 372    ctx->Extensions.ARB_texture_env_dot3 = true;
 373    ctx->Extensions.ARB_texture_env_crossbar = true;
 374    ctx->Extensions.ARB_vertex_array_object = true;
 375    ctx->Extensions.EXT_blend_color = true;
 376    ctx->Extensions.EXT_blend_minmax = true;
 377    ctx->Extensions.EXT_fog_coord = true;
 378    ctx->Extensions.EXT_packed_depth_stencil = true;
 379    ctx->Extensions.EXT_secondary_color = true;
 380    ctx->Extensions.EXT_texture_env_dot3 = true;
 381    ctx->Extensions.EXT_texture_filter_anisotropic = true;
 382    ctx->Extensions.EXT_texture_mirror_clamp = true;
 383    ctx->Extensions.APPLE_vertex_array_object = true;
 384    ctx->Extensions.ATI_texture_env_combine3 = true;
 385    ctx->Extensions.ATI_texture_mirror_once = true;
 386    ctx->Extensions.MESA_pack_invert = true;
 387    ctx->Extensions.NV_blend_square = true;
 388    ctx->Extensions.NV_texture_rectangle = true;
 389 #if FEATURE_OES_EGL_image
 390    ctx->Extensions.OES_EGL_image = true;
 391 #endif
 392
 393    ctx->Extensions.EXT_framebuffer_object = true;
 394    ctx->Extensions.ARB_occlusion_query = true;
 395
 396    if (!(rmesa->radeon.radeonScreen->chip_flags & R200_CHIPSET_YCBCR_BROKEN)) {
 397      /* yuv textures don't work with some chips - R200 / rv280 okay so far
 398         others get the bit ordering right but don't actually do YUV-RGB conversion */
 399       ctx->Extensions.MESA_ycbcr_texture = true;
 400    }
 401    if (rmesa->radeon.glCtx->Mesa_DXTn) {
 402       ctx->Extensions.EXT_texture_compression_s3tc = true;
 403       ctx->Extensions.S3_s3tc = true;
 404    }
 405    else if (driQueryOptionb (&rmesa->radeon.optionCache, "force_s3tc_enable")) {
 406       ctx->Extensions.EXT_texture_compression_s3tc = true;
 407    }
 408
 409    ctx->Extensions.ARB_texture_cube_map = true;
 410
 411    ctx->Extensions.EXT_blend_equation_separate = true;
 412    ctx->Extensions.EXT_blend_func_separate = true;
 413
 414    ctx->Extensions.ARB_vertex_program = true;
 415    ctx->Extensions.EXT_gpu_program_parameters = true;
 416
 417    ctx->Extensions.NV_vertex_program =
 418       driQueryOptionb(&rmesa->radeon.optionCache, "nv_vertex_program");
 419
 420    ctx->Extensions.ATI_fragment_shader = (ctx->Const.MaxTextureUnits == 6);
 421
 422    ctx->Extensions.ARB_point_sprite = true;
 423    ctx->Extensions.EXT_point_parameters = true;
 424
 425 #if 0
 426    r200InitDriverFuncs( ctx );
 427    r200InitIoctlFuncs( ctx );
 428    r200InitStateFuncs( ctx );
 429    r200InitTextureFuncs( ctx );
 430 #endif
 431    /* plug in a few more device driver functions */
 432    /* XXX these should really go right after _mesa_init_driver_functions() */
 433    radeon_fbo_init(&rmesa->radeon);
 434    radeonInitSpanFuncs( ctx );
 435    r200InitTnlFuncs( ctx );
 436    r200InitState( rmesa );
 437    r200InitSwtcl( ctx );
 438
 439    rmesa->prefer_gart_client_texturing =
 440       (getenv("R200_GART_CLIENT_TEXTURES") != 0);
 441
 442    tcl_mode = driQueryOptioni(&rmesa->radeon.optionCache, "tcl_mode");
 443    if (driQueryOptionb(&rmesa->radeon.optionCache, "no_rast")) {
 444       fprintf(stderr, "disabling 3D acceleration\n");
 445       FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1);
 446    }
 447    else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") ||
 448             !(rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
 449       if (rmesa->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
 450          rmesa->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
 451          fprintf(stderr, "Disabling HW TCL support\n");
 452       }
 453       TCL_FALLBACK(rmesa->radeon.glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1);
 454    }
 455
 456    _mesa_compute_version(ctx);
 457    if (ctx->Version < major_version * 10 + minor_version) {
 458       r200DestroyContext(driContextPriv);
 459       *error = __DRI_CTX_ERROR_BAD_VERSION;
 460       return GL_FALSE;
 461    }
 462
 463    *error = __DRI_CTX_ERROR_SUCCESS;
 464    return GL_TRUE;
 465 }
 466
 467
 468 void r200DestroyContext( __DRIcontext *driContextPriv )
 469 {
 470         int i;
 471         r200ContextPtr rmesa = (r200ContextPtr)driContextPriv->driverPrivate;
 472         if (rmesa)
 473         {
 474                 for ( i = 0 ; i < R200_MAX_TEXTURE_UNITS ; i++ ) {
 475                         _math_matrix_dtr( &rmesa->TexGenMatrix[i] );
 476                 }
 477         }
 478         radeonDestroyContext(driContextPriv);
 479 }