src/mesa/drivers/dri/r600/r600_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  * \file
  32  *
  33  * \author Keith Whitwell <keith@tungstengraphics.com>
  34  *
  35  * \author Nicolai Haehnle <prefect_@gmx.net>
  36  */
  37
  38 #include "main/glheader.h"
  39 #include "main/api_arrayelt.h"
  40 #include "main/context.h"
  41 #include "main/simple_list.h"
  42 #include "main/imports.h"
  43 #include "main/matrix.h"
  44 #include "main/extensions.h"
  45 #include "main/state.h"
  46 #include "main/bufferobj.h"
  47 #include "main/texobj.h"
  48
  49 #include "swrast/swrast.h"
  50 #include "swrast_setup/swrast_setup.h"
  51 #include "vbo/vbo.h"
  52
  53 #include "tnl/tnl.h"
  54 #include "tnl/t_pipeline.h"
  55 #include "tnl/t_vp_build.h"
  56
  57 #include "drivers/common/driverfuncs.h"
  58
  59 #include "radeon_debug.h"
  60 #include "r600_context.h"
  61 #include "radeon_common_context.h"
  62 #include "radeon_buffer_objects.h"
  63 #include "radeon_span.h"
  64 #include "r600_cmdbuf.h"
  65 #include "r600_emit.h"
  66 #include "radeon_bocs_wrapper.h"
  67
  68 #include "r700_state.h"
  69 #include "r700_ioctl.h"
  70
  71
  72 #include "vblank.h"
  73 #include "utils.h"
  74 #include "xmlpool.h"            /* for symbolic values of enum-type options */
  75
  76 /* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
  77 int future_hw_tcl_on = 1;
  78 int hw_tcl_on = 1;
  79
  80 #define need_GL_VERSION_2_0
  81 #define need_GL_ARB_point_parameters
  82 #define need_GL_ARB_vertex_program
  83 #define need_GL_EXT_blend_equation_separate
  84 #define need_GL_EXT_blend_func_separate
  85 #define need_GL_EXT_blend_minmax
  86 #define need_GL_EXT_framebuffer_object
  87 #define need_GL_EXT_fog_coord
  88 #define need_GL_EXT_gpu_program_parameters
  89 #define need_GL_EXT_provoking_vertex
  90 #define need_GL_EXT_secondary_color
  91 #define need_GL_EXT_stencil_two_side
  92 #define need_GL_ATI_separate_stencil
  93 #define need_GL_NV_vertex_program
  94
  95 #include "extension_helper.h"
  96
  97 extern const struct tnl_pipeline_stage *r700_pipeline[];
  98
  99 const struct dri_extension card_extensions[] = {
 100   /* *INDENT-OFF* */
 101   {"GL_ARB_depth_texture",              NULL},
 102   {"GL_ARB_fragment_program",           NULL},
 103   {"GL_ARB_multitexture",               NULL},
 104   {"GL_ARB_point_parameters",           GL_ARB_point_parameters_functions},
 105   {"GL_ARB_shadow",                     NULL},
 106   {"GL_ARB_shadow_ambient",             NULL},
 107   {"GL_ARB_texture_border_clamp",       NULL},
 108   {"GL_ARB_texture_cube_map",           NULL},
 109   {"GL_ARB_texture_env_add",            NULL},
 110   {"GL_ARB_texture_env_combine",        NULL},
 111   {"GL_ARB_texture_env_crossbar",       NULL},
 112   {"GL_ARB_texture_env_dot3",           NULL},
 113   {"GL_ARB_texture_mirrored_repeat",    NULL},
 114   {"GL_ARB_vertex_program",             GL_ARB_vertex_program_functions},
 115   {"GL_EXT_blend_equation_separate",    GL_EXT_blend_equation_separate_functions},
 116   {"GL_EXT_blend_func_separate",        GL_EXT_blend_func_separate_functions},
 117   {"GL_EXT_blend_minmax",               GL_EXT_blend_minmax_functions},
 118   {"GL_EXT_blend_subtract",             NULL},
 119   {"GL_EXT_packed_depth_stencil",       NULL},
 120   {"GL_EXT_fog_coord",                  GL_EXT_fog_coord_functions },
 121   {"GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions},
 122   {"GL_EXT_provoking_vertex",           GL_EXT_provoking_vertex_functions },
 123   {"GL_EXT_secondary_color",            GL_EXT_secondary_color_functions},
 124   {"GL_EXT_shadow_funcs",               NULL},
 125   {"GL_EXT_stencil_two_side",           GL_EXT_stencil_two_side_functions},
 126   {"GL_EXT_stencil_wrap",               NULL},
 127   {"GL_EXT_texture_edge_clamp",         NULL},
 128   {"GL_EXT_texture_env_combine",        NULL},
 129   {"GL_EXT_texture_env_dot3",           NULL},
 130   {"GL_EXT_texture_filter_anisotropic", NULL},
 131   {"GL_EXT_texture_lod_bias",           NULL},
 132   {"GL_EXT_texture_mirror_clamp",       NULL},
 133   {"GL_EXT_texture_rectangle",          NULL},
 134   {"GL_EXT_texture_sRGB",               NULL},
 135   {"GL_ATI_separate_stencil",           GL_ATI_separate_stencil_functions},
 136   {"GL_ATI_texture_env_combine3",       NULL},
 137   {"GL_ATI_texture_mirror_once",        NULL},
 138   {"GL_MESA_pack_invert",               NULL},
 139   {"GL_MESA_ycbcr_texture",             NULL},
 140   {"GL_MESAX_texture_float",            NULL},
 141   {"GL_NV_blend_square",                NULL},
 142   {"GL_NV_vertex_program",              GL_NV_vertex_program_functions},
 143   {"GL_SGIS_generate_mipmap",           NULL},
 144   {NULL,                                NULL}
 145   /* *INDENT-ON* */
 146 };
 147
 148
 149 const struct dri_extension mm_extensions[] = {
 150   { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
 151   { NULL, NULL }
 152 };
 153
 154 /**
 155  * The GL 2.0 functions are needed to make display lists work with
 156  * functions added by GL_ATI_separate_stencil.
 157  */
 158 const struct dri_extension gl_20_extension[] = {
 159   {"GL_VERSION_2_0",                    GL_VERSION_2_0_functions },
 160 };
 161
 162
 163 static void r600RunPipeline(GLcontext * ctx)
 164 {
 165     _mesa_lock_context_textures(ctx);
 166
 167     if (ctx->NewState)
 168         _mesa_update_state_locked(ctx);
 169
 170     _tnl_run_pipeline(ctx);
 171     _mesa_unlock_context_textures(ctx);
 172 }
 173
 174 static void r600_get_lock(radeonContextPtr rmesa)
 175 {
 176         drm_radeon_sarea_t *sarea = rmesa->sarea;
 177
 178         if (sarea->ctx_owner != rmesa->dri.hwContext) {
 179                 sarea->ctx_owner = rmesa->dri.hwContext;
 180                 if (!rmesa->radeonScreen->kernel_mm)
 181                         radeon_bo_legacy_texture_age(rmesa->radeonScreen->bom);
 182         }
 183 }
 184
 185 static void r600_vtbl_emit_cs_header(struct radeon_cs *cs, radeonContextPtr rmesa)
 186 {
 187     /* please flush pipe do all pending work */
 188     /* to be enabled */
 189 }
 190
 191 static void r600_vtbl_pre_emit_atoms(radeonContextPtr radeon)
 192 {
 193         r700Start3D((context_t *)radeon);
 194 }
 195
 196 static void r600_fallback(GLcontext *ctx, GLuint bit, GLboolean mode)
 197 {
 198         context_t *context = R700_CONTEXT(ctx);
 199         if (mode)
 200                 context->radeon.Fallback |= bit;
 201         else
 202                 context->radeon.Fallback &= ~bit;
 203 }
 204
 205 static void r600_init_vtbl(radeonContextPtr radeon)
 206 {
 207         radeon->vtbl.get_lock = r600_get_lock;
 208         radeon->vtbl.update_viewport_offset = r700UpdateViewportOffset;
 209         radeon->vtbl.emit_cs_header = r600_vtbl_emit_cs_header;
 210         radeon->vtbl.swtcl_flush = NULL;
 211         radeon->vtbl.pre_emit_atoms = r600_vtbl_pre_emit_atoms;
 212         radeon->vtbl.fallback = r600_fallback;
 213 }
 214
 215 /* Create the device specific rendering context.
 216  */
 217 GLboolean r600CreateContext(const __GLcontextModes * glVisual,
 218                             __DRIcontextPrivate * driContextPriv,
 219                             void *sharedContextPrivate)
 220 {
 221         __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
 222         radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
 223         struct dd_function_table functions;
 224         context_t *r600;
 225         GLcontext *ctx;
 226
 227         assert(glVisual);
 228         assert(driContextPriv);
 229         assert(screen);
 230
 231         /* Allocate the R600 context */
 232         r600 = (context_t*) CALLOC(sizeof(*r600));
 233         if (!r600) {
 234                 radeon_error("Failed to allocate memory for context.\n");
 235                 return GL_FALSE;
 236         }
 237
 238         if (!(screen->chip_flags & RADEON_CHIPSET_TCL))
 239                 hw_tcl_on = future_hw_tcl_on = 0;
 240
 241         r600_init_vtbl(&r600->radeon);
 242         /* Parse configuration files.
 243          * Do this here so that initialMaxAnisotropy is set before we create
 244          * the default textures.
 245          */
 246         driParseConfigFiles(&r600->radeon.optionCache, &screen->optionCache,
 247                             screen->driScreen->myNum, "r600");
 248
 249         r600->radeon.initialMaxAnisotropy = driQueryOptionf(&r600->radeon.optionCache,
 250                                                      "def_max_anisotropy");
 251
 252         /* Init default driver functions then plug in our R600-specific functions
 253          * (the texture functions are especially important)
 254          */
 255         _mesa_init_driver_functions(&functions);
 256
 257         r700InitStateFuncs(&functions);
 258         r600InitTextureFuncs(&functions);
 259         r700InitShaderFuncs(&functions);
 260         r700InitIoctlFuncs(&functions);
 261     radeonInitBufferObjectFuncs(&functions);
 262
 263         if (!radeonInitContext(&r600->radeon, &functions,
 264                                glVisual, driContextPriv,
 265                                sharedContextPrivate)) {
 266                 radeon_error("Initializing context failed.\n");
 267                 FREE(r600);
 268                 return GL_FALSE;
 269         }
 270
 271         /* Init r600 context data */
 272         /* Set the maximum texture size small enough that we can guarentee that
 273          * all texture units can bind a maximal texture and have them both in
 274          * texturable memory at once.
 275          */
 276
 277         ctx = r600->radeon.glCtx;
 278
 279         ctx->Const.MaxTextureImageUnits =
 280             driQueryOptioni(&r600->radeon.optionCache, "texture_image_units");
 281         ctx->Const.MaxTextureCoordUnits =
 282             driQueryOptioni(&r600->radeon.optionCache, "texture_coord_units");
 283         ctx->Const.MaxTextureUnits =
 284             MIN2(ctx->Const.MaxTextureImageUnits,
 285                  ctx->Const.MaxTextureCoordUnits);
 286         ctx->Const.MaxTextureMaxAnisotropy = 16.0;
 287         ctx->Const.MaxTextureLodBias = 16.0;
 288
 289         ctx->Const.MaxTextureLevels = 13; /* hw support 14 */
 290         ctx->Const.MaxTextureRectSize = 4096; /* hw support 8192 */
 291
 292         ctx->Const.MinPointSize   = 0x0001 / 8.0;
 293         ctx->Const.MinPointSizeAA = 0x0001 / 8.0;
 294         ctx->Const.MaxPointSize   = 0xffff / 8.0;
 295         ctx->Const.MaxPointSizeAA = 0xffff / 8.0;
 296
 297         ctx->Const.MinLineWidth   = 0x0001 / 8.0;
 298         ctx->Const.MinLineWidthAA = 0x0001 / 8.0;
 299         ctx->Const.MaxLineWidth   = 0xffff / 8.0;
 300         ctx->Const.MaxLineWidthAA = 0xffff / 8.0;
 301
 302         /* Needs further modifications */
 303 #if 0
 304         ctx->Const.MaxArrayLockSize =
 305             ( /*512 */ RADEON_BUFFER_SIZE * 16 * 1024) / (4 * 4);
 306 #endif
 307
 308         ctx->Const.MaxDrawBuffers = 1;
 309
 310         /* Initialize the software rasterizer and helper modules.
 311          */
 312         _swrast_CreateContext(ctx);
 313         _vbo_CreateContext(ctx);
 314         _tnl_CreateContext(ctx);
 315         _swsetup_CreateContext(ctx);
 316         _swsetup_Wakeup(ctx);
 317         _ae_create_context(ctx);
 318
 319         /* Install the customized pipeline:
 320          */
 321         _tnl_destroy_pipeline(ctx);
 322         _tnl_install_pipeline(ctx, r700_pipeline);
 323
 324         /* Try and keep materials and vertices separate:
 325          */
 326 /*      _tnl_isolate_materials(ctx, GL_TRUE); */
 327
 328         /* Configure swrast and TNL to match hardware characteristics:
 329          */
 330         _swrast_allow_pixel_fog(ctx, GL_FALSE);
 331         _swrast_allow_vertex_fog(ctx, GL_TRUE);
 332         _tnl_allow_pixel_fog(ctx, GL_FALSE);
 333         _tnl_allow_vertex_fog(ctx, GL_TRUE);
 334
 335         /* 256 for reg-based consts, inline consts also supported */
 336         ctx->Const.VertexProgram.MaxInstructions = 8192; /* in theory no limit */
 337         ctx->Const.VertexProgram.MaxNativeInstructions = 8192;
 338         ctx->Const.VertexProgram.MaxNativeAttribs = 160;
 339         ctx->Const.VertexProgram.MaxTemps = 128;
 340         ctx->Const.VertexProgram.MaxNativeTemps = 128;
 341         ctx->Const.VertexProgram.MaxNativeParameters = 256;
 342         ctx->Const.VertexProgram.MaxNativeAddressRegs = 1; /* ??? */
 343
 344         ctx->Const.FragmentProgram.MaxNativeTemps = 128;
 345         ctx->Const.FragmentProgram.MaxNativeAttribs = 32;
 346         ctx->Const.FragmentProgram.MaxNativeParameters = 256;
 347         ctx->Const.FragmentProgram.MaxNativeAluInstructions = 8192;
 348         /* 8 per clause on r6xx, 16 on rv670/r7xx */
 349         if ((screen->chip_family == CHIP_FAMILY_RV670) ||
 350             (screen->chip_family >= CHIP_FAMILY_RV770))
 351                 ctx->Const.FragmentProgram.MaxNativeTexInstructions = 16;
 352         else
 353                 ctx->Const.FragmentProgram.MaxNativeTexInstructions = 8;
 354         ctx->Const.FragmentProgram.MaxNativeInstructions = 8192;
 355         ctx->Const.FragmentProgram.MaxNativeTexIndirections = 8; /* ??? */
 356         ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;    /* and these are?? */
 357         ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
 358         ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 359
 360         radeon_init_debug();
 361
 362         driInitExtensions(ctx, card_extensions, GL_TRUE);
 363         if (r600->radeon.radeonScreen->kernel_mm)
 364           driInitExtensions(ctx, mm_extensions, GL_FALSE);
 365
 366         if (driQueryOptionb
 367             (&r600->radeon.optionCache, "disable_stencil_two_side"))
 368                 _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
 369
 370         if (r600->radeon.glCtx->Mesa_DXTn
 371             && !driQueryOptionb(&r600->radeon.optionCache, "disable_s3tc")) {
 372                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 373                 _mesa_enable_extension(ctx, "GL_S3_s3tc");
 374         } else
 375             if (driQueryOptionb(&r600->radeon.optionCache, "force_s3tc_enable"))
 376         {
 377                 _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
 378         }
 379
 380     r700InitDraw(ctx);
 381
 382         radeon_fbo_init(&r600->radeon);
 383         radeonInitSpanFuncs( ctx );
 384
 385         r600InitCmdBuf(r600);
 386
 387         r700InitState(r600->radeon.glCtx);
 388
 389         TNL_CONTEXT(ctx)->Driver.RunPipeline = r600RunPipeline;
 390
 391         if (driQueryOptionb(&r600->radeon.optionCache, "no_rast")) {
 392                 radeon_warning("disabling 3D acceleration\n");
 393         }
 394
 395         return GL_TRUE;
 396 }
 397
 398